CN206922555U - A kind of motor bearings safeguard structure and motor - Google Patents
A kind of motor bearings safeguard structure and motor Download PDFInfo
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- CN206922555U CN206922555U CN201720700147.0U CN201720700147U CN206922555U CN 206922555 U CN206922555 U CN 206922555U CN 201720700147 U CN201720700147 U CN 201720700147U CN 206922555 U CN206922555 U CN 206922555U
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- motor
- bearing
- oil seal
- safeguard structure
- protection ring
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Abstract
The utility model provides a kind of motor bearings safeguard structure, and it includes electric machine casing, is arranged on the bearing of described electric machine casing one end, and is arranged on the axle of the bearing and goes out to hold the oil seal and protection ring of side；The electric machine casing also includes oil sealing room, and the oil seal and the protection ring are arranged in the oil sealing room；The motor bearings safeguard structure also includes rotating shaft, and the bearing, oil seal and protection ring are sequentially sleeved in the rotating shaft.The motor bearings safeguard structure is simple in construction, cost is cheap, substantially increases the reliability of motor.The utility model additionally provides a kind of motor, and the motor is provided with above-mentioned motor bearings safeguard structure.
Description
Technical field
It the utility model is related to a kind of motor bearings safeguard structure and motor.
Background technology
At present, existing motor bearings safeguard structure is realized by a fixed support separated with electric machine casing,
Protection ring is installed into fixed support upper rear set to enter in the axle stretch end of electric machine casing, protection then will be housed with bolt
Ring fixed support be fastened on motor.This motor bearings protective ring structure design is complex, needs multiple parts to coordinate,
It is more using parts；The other structure need to open bolt hole on electric machine casing influences the sealing of motor, structural strength etc.
Problem, material cost is higher, and the motor market competitiveness weakens；And the sealing means of the structure are poor, protection ring group sheet
Exposed to be effectively sealed outside, the carbon brush of protection ring is easy touching the foreign matters such as liquid, dust impurity
Failure, influence the reliability of motor.
Utility model content
The utility model is intended at least solve one of the above-mentioned problems of the prior art to a certain extent, there is provided a kind of
New motor bearings safeguard structure and motor.The structure of the motor bearings safeguard structure is simple, cost is cheap, sealing property
It is good, substantially increase the reliability of motor.
The motor bearings safeguard structure provided according to the utility model embodiment, it includes electric machine casing, is arranged on described
The bearing of electric machine casing one end, and be arranged on the axle of the bearing and go out to hold the oil seal and protection ring of side；The electricity
Casing body also includes oil sealing room, and the oil seal and the protection ring are arranged in the oil sealing room；The motor bearings
Safeguard structure also includes rotating shaft, and the bearing, oil seal and protection ring are sequentially sleeved in the rotating shaft.
Preferably, the oil seal includes two single lip mouth oil seals, and the protection ring is located at described two single lips
Between oil sealing.
Further, the bearing mounting hole for installing the bearing, the bearing peace are additionally provided with the electric machine casing
Dress hole connects with the oil sealing room.
Further, formed with for positioning the first of the oil seal between the oil sealing room and the bearing mounting hole
Locating piece.
Further, the bearing includes inner ring and outer ring, formed with positioning the outer ring in the bearing mounting hole
Second locating piece.
Further, the rotating shaft is provided with the 3rd locating piece for being used for positioning the inner ring.
According to one embodiment of the present utility model, the 3rd locating piece is between the bearing and the oil seal
And with the end contact of the inner ring of the bearing.
According to an example of the present utility model, the lip direction of single lip mouth oil seal on the left of the protection ring
On the inside of motor, the lip of single lip mouth oil seal on the right side of the protection ring is towards the outside of motor.
Preferably, the inner ring of the protection ring is carbon brush structure.
A kind of motor provided according to the utility model embodiment, the motor are provided with the electricity described in any of the above-described
Machine bearing safeguard structure.
The motor bearings safeguard structure provided according to the utility model embodiment, including：Electric machine casing, rotating shaft, it is installed on
Bearing, oil seal and protection ring on the electric machine casing, oil seal and the protection ring are located at the bearing
Axle goes out end, and the electric machine casing is provided with the oil sealing room for accommodating the oil seal and the protection ring, the bearing, oil sealing
Part and protection ring are sequentially sleeved in the rotating shaft.By the way that the protection is located in the electric machine casing, make
The structure that obtains the motor bearings safeguard structure is simple, cost is cheap, good seal performance, substantially increases the reliability of motor.
Brief description of the drawings
Fig. 1 is the installation diagram of the motor bearings safeguard structure provided by the utility model.
Fig. 2 is the local structural graph of the electric machine casing provided by the utility model.
Wherein, 1 electric machine casing, 2 rotating shafts, 3 bearings, 4 oil seals, 5 protection rings, 6 oil sealing rooms, 7 bearing mounting holes, 8
First locating piece, 9 second locating pieces, 10 the 3rd locating pieces.
Embodiment
In order that technical problem, technical scheme and beneficial effect that the utility model solves are more clearly understood, below
With reference to drawings and Examples, the utility model is further elaborated.It should be appreciated that specific implementation described herein
Example only to explain the utility model, is not used to limit the utility model.
Motor bearings safeguard structure and motor of the utility model embodiment offer are be provided below with reference to Fig. 1-2.
Such as Fig. 1-2, the motor bearings safeguard structure provided according to the utility model embodiment, it includes electric machine casing 1, peace
Loaded on the bearing 3 on the electric machine casing 1, oil seal 4 and protection ring 5, the oil seal 4 and protection ring 5 are located at
The axle of the bearing 3 goes out end, and the bearing 2 is arranged on one end of the electric machine casing 1, and the electric machine casing 1, which is provided with, to be accommodated
The oil sealing room 6 of the oil seal 4 and the protection ring 5, the oil seal 4 and the protection ring 5 can be installed on
In the oil sealing room 6, the depth of the oil sealing room 6 will ensure that the oil seal 4 and protection ring 5 can be accommodated down；It is described
Motor bearings safeguard structure also includes rotating shaft 2, and the bearing 3, oil seal 4 and protection ring 5 are sequentially sleeved at the rotating shaft 2
On.The bearing 3 includes inner ring and outer ring, and the oil seal 4 and protection ring 5 are loop configuration, and the rotating shaft 2 is interspersed in
In the inner ring of the bearing 3, and in the inner ring of oil seal 4 and protection ring 5 so that the ground inner ring of protection ring 5
Contacted with described rotating shaft 2, be equipped with carbon brush structure in protection ring 5, and then shaft voltage caused by motor internal is drawn
Ground is connected, the shaft voltage of motor is reduced with this, motor electric discharge phenomena is reduced, prevents galvano-cautery bearing, ensure the reliability of motor.
Herein, described axle, which goes out to hold, refers to that machine shaft 2 stretches out one end of the bearing 3, i.e., described bearing 3 is close
One end of electric machine casing 1, from the right side in terms of direction, that is, referring to the bearing 3 shown in Fig. 1.Described electric machine casing 1, can be whole
The housing that one housing of body or different housings assemble, as long as being adapted to other parts.
Preferably, as shown in figure 1, the oil seal 4 includes two single lip mouth oil seals, the protection ring 5 is located at institute
State between two single lip mouth oil seals.It can distinguish sealed electric-motor inside and outside motor using two single lip mouth oil seals, ensure that
The sealing property and reliability of motor bearings protective ring 5, preferably protect motor bearings 3 to exempt from galvano-cautery, greatly improve
Motor reliability.Wherein, the lip positioned at single lip mouth oil seal positioned at the left side of the protection ring 5 is towards in motor
Side, with impurity such as the liquid inside sealed electric-motor；Positioned at the lip direction electricity of single lip mouth oil seal on the right side of protection ring 5
Impurity, the protection ring 5 such as the outside of machine, liquid, dust outside sealed electric-motor are clipped between two oil sealings, can also realize axle
To spacing effect.
Further, as depicted in figs. 1 and 2, the bearing for installing the bearing 3 is additionally provided with the electric machine casing 1
Mounting hole 7, the bearing mounting hole 7 connect with the oil sealing room 6.The installation and oil seal 4 for being easy to machine shaft 2 are prevented with bearing
The installation of retaining ring 5.Ordinary circumstance, described bearing mounting hole 7 extend from the Inside To Outside of electric machine casing 1, can be in bearing
Location structure is set to position bearing 3 to the axial displacement in the outside of electric machine casing 1 in mounting hole 7, when installing bearing 3, from electricity
Installed on the inside of machine, be installed in place rear automatic spacing bearing 3 to the displacement on the outside of motor, bearing 3 is to the displacement on the inside of motor
Typically by the way of axle sleeve or the shaft shoulder but this mode is not limited to, as shown in figure 1, after the bearing 3 of motor is installed, is gone back
A bearing (ball) cover can be set to position and protect bearing 3, sealing ring is typically provided between end cap and rotating shaft 2 and is sealed.In figure
The leftmost side is bearing (ball) cover.
Further, formed with for positioning the oil seal 4 between the oil sealing room 6 and the bearing mounting hole 7
First locating piece 8.To prevent the oil seal 4 from directly being contacted with the end face of bearing 3 and the oil seal 4 is to electric machine casing 1
Inner side play, it also indirectly located the protection ring 5.When the oil seal 4 is using single lip mouth oil seal, single lip
The lip end face of oil seal directly contacts with first locating piece 8, and 8 spacing single lip mouth oil seal of the first locating piece is to motor
Inner side play and then the protection ring 5 being clipped in two single lip mouth oil seals is carried out spacing.
Further, the bearing 3 includes inner ring and outer ring, formed with positioning the bearing 3 in the bearing mounting hole 7
Outer ring the second locating piece 9.To prevent the bearing 3 to play on the outside of motor, reach the purpose of positioning.Second positioning
A ladder is formed between block 9 and first locating piece 8, when bearing 3 is installed in the bearing mounting hole 7, the second positioning
The edge of block 9 is no more than in the inner annular edge of the outer ring of the bearing 3.
Further, the rotating shaft 2 is provided with the 3rd locating piece 10 of the inner ring for being used to position the bearing 3.To prevent
The bearing 3 reaches the purpose for positioning bearing 3 to play on the outside of motor.For the ease of processing the rotating shaft 2 of motor, the 3rd positioning
Block 10 can separate with rotating shaft 2, can be that welding is got on, can also use other rational forms, reach positioning
Purpose.
According to one embodiment of the present utility model, the 3rd locating piece 10 is located at the bearing 3 and the oil seal 4
Between and with the end contact of the inner ring of the bearing 3.It is convenient to the positioning of the bearing 3.
According to an example of the present utility model, positioned at the lip court of single lip mouth oil seal in the left side of protection ring 5
To on the inside of motor, positioned at the right side of protection ring 5 single lip mouth oil seal lip towards the outside of motor.To ensure simultaneously
The impurity such as sealed electric-motor inner side and outer side liquid, ensure the sealing of protection ring 5 and the reliability of motor.Herein, institute
The outside for stating motor is shown in Fig. 1 and Fig. 2.
Preferably, the inner ring of the protection ring 5 is carbon brush structure.Carbon brush contacts with machine shaft 2, by motor internal
Caused shaft voltage guiding ground connection, is greatly reduced motor shaft voltage, reduces electric discharge phenomena, prevent galvano-cautery bearing 3, improve electricity
The reliability of machine, increases the service life.
A kind of motor provided according to the utility model embodiment, the motor are provided with the electricity described in any of the above-described
Machine bearing safeguard structure.
The motor bearings safeguard structure provided according to the utility model embodiment, including：Electric machine casing 1, rotating shaft 2, installation
In the bearing 3 on the electric machine casing 1, oil seal 4 and protection ring 5, the oil seal 4 and protection ring 5 are located at institute
The axle for stating bearing 3 goes out end, and the electric machine casing 1 is provided with the oil sealing room 6 for accommodating the oil seal 4 and the protection ring 5,
The bearing 3, oil seal 4 and protection ring 5 are sequentially sleeved in the rotating shaft 2.By the way that the protection ring 5 is located at
In the electric machine casing 1 so that the structure of the motor bearings safeguard structure is simple, cost is cheap, good seal performance, greatly improves
The reliability of motor.
In description of the present utility model, it is to be understood that term " on ", " under ", " one end ", " centre ", " circumference "
Orientation or position relationship Deng instruction are based on orientation shown in the drawings or position relationship, are for only for ease of and describe this practicality newly
Type and simplifying describes, rather than instruction or implies that signified device or element must have specific orientation, with specific orientation
Construction and operation, therefore it is not intended that to limitation of the present utility model.
In addition, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or implying phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second ", " the 3rd " are defined
At least one this feature can be expressed or be implicitly included to feature.In description of the present utility model, " multiple ", " somes' "
It is meant that at least two, such as two, three etc., unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect or can communicate each other；Can be joined directly together, the indirect phase of intermediary can also be passed through
Even, can be two element internals connection or two elements interaction relationship, limited unless otherwise clear and definite.For this
For the those of ordinary skill in field, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
In the description of this specification, the description of reference term " one embodiment ", " example " etc., which means to combine, is somebody's turn to do
Embodiment or specific features, structure, material or the feature of example description are contained at least one embodiment of the present utility model
Or in example.In this manual, identical embodiment or example are necessarily directed to the schematic representation of above-mentioned term.
Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or example with suitable
Mode combines.In addition, in the case of not conflicting, those skilled in the art can be by the difference described in this specification
Embodiment or example and the feature of different embodiments or example are combined and combined.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of motor bearings safeguard structure, it is characterised in that it includes electric machine casing, is arranged on described electric machine casing one end
Bearing, and be arranged on the axle of the bearing and go out to hold the oil seal and protection ring of side；The electric machine casing also includes oil
Room is sealed, the oil seal and the protection ring are arranged in the oil sealing room；The motor bearings safeguard structure also includes
Rotating shaft, the bearing, oil seal and protection ring are sequentially sleeved in the rotating shaft.
2. a kind of motor bearings safeguard structure according to claim 1, it is characterised in that the oil seal includes two lists
Lip mouth oil seal, the protection ring is between described two single lip mouth oil seals.
3. a kind of motor bearings safeguard structure according to claim 1, it is characterised in that be additionally provided with the electric machine casing
For installing the bearing mounting hole of the bearing, the bearing mounting hole connects with the oil sealing room.
4. a kind of motor bearings safeguard structure according to claim 3, it is characterised in that the oil sealing room and the bearing
Formed with the first locating piece for positioning the oil seal between mounting hole.
5. a kind of motor bearings safeguard structure according to claim 4, it is characterised in that the bearing is including inner ring and outside
Enclose, formed with the second locating piece for positioning the outer ring in the bearing mounting hole.
6. a kind of motor bearings safeguard structure according to claim 5, it is characterised in that the rotating shaft, which is provided with, to be used to determine
3rd locating piece of the position inner ring.
7. a kind of motor bearings safeguard structure according to claim 6, it is characterised in that the 3rd locating piece is located at institute
State between bearing and the oil seal and with the end contact of the inner ring of the bearing.
8. a kind of motor bearings safeguard structure according to claim 2, it is characterised in that left positioned at the protection ring
The lip of single lip mouth oil seal of side is towards on the inside of motor, the lip direction of single lip mouth oil seal on the right side of the protection ring
The outside of motor.
A kind of 9. motor bearings safeguard structure according to claim 1, it is characterised in that the inner ring of the protection ring
For carbon brush structure.
10. a kind of motor, it is characterised in that the motor bearings that the motor is provided with as described in claim any one of 1-9 is prevented
Protection structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720700147.0U CN206922555U (en) | 2017-06-16 | 2017-06-16 | A kind of motor bearings safeguard structure and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720700147.0U CN206922555U (en) | 2017-06-16 | 2017-06-16 | A kind of motor bearings safeguard structure and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206922555U true CN206922555U (en) | 2018-01-23 |
Family
ID=61321501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720700147.0U Active CN206922555U (en) | 2017-06-16 | 2017-06-16 | A kind of motor bearings safeguard structure and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206922555U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114337123A (en) * | 2022-01-05 | 2022-04-12 | 极氪汽车(宁波杭州湾新区)有限公司 | Motor, power assembly and electric vehicle |
-
2017
- 2017-06-16 CN CN201720700147.0U patent/CN206922555U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114337123A (en) * | 2022-01-05 | 2022-04-12 | 极氪汽车(宁波杭州湾新区)有限公司 | Motor, power assembly and electric vehicle |
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