CN206522429U - Oil-leakage-prevention ventilation part, speed reducer assembly and the vehicle with it - Google Patents
Oil-leakage-prevention ventilation part, speed reducer assembly and the vehicle with it Download PDFInfo
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- CN206522429U CN206522429U CN201621297086.XU CN201621297086U CN206522429U CN 206522429 U CN206522429 U CN 206522429U CN 201621297086 U CN201621297086 U CN 201621297086U CN 206522429 U CN206522429 U CN 206522429U
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- installation cavity
- speed reducer
- reducer assembly
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Abstract
The utility model discloses a kind of oil-leakage-prevention ventilation part, speed reducer assembly and the vehicle with it, speed reducer assembly includes：Reducing gearbox, axocoel, gear cavity, the first installation cavity and the second installation cavity are defined in reducing gearbox, first installation cavity and the second installation cavity are connected with axocoel and are distributed along the axial direction of axocoel respectively, second installation cavity is located between the first installation cavity and gear cavity, and reducing gearbox is provided with the passage connected with the first installation cavity；Axis body, axis body is located in axocoel；Sleeve pipe, sleeve pipe is located in the first installation cavity and is set on axis body, and sleeve pipe, which stops, to be against between the internal face of the first installation cavity and the outer peripheral face of axis body, and the venting channels of passage and axocoel are communicated with the perisporium of sleeve pipe；Oil sealing, oil sealing is located in the second installation cavity and is set on axis body.Lifted according to the oil-leakage-prevention performance and venting capability of speed reducer assembly of the present utility model.
Description
Technical field
The utility model is related to technical field of vehicle, more particularly, to a kind of oil-leakage-prevention ventilation part, speed reducer assembly and
Vehicle with the speed reducer assembly.
Background technology
The main function of gear oil pipe is the lubricating oil intercommunication for preventing two oil pockets in speed reducer assembly, is adopted in correlation technique
The lubricating oil intercommunication of two oil pockets is prevented with oil sealing.In the structure shown here, reducing gear is in the case where high speed rotates, because oil pocket is deposited
The difference of height above and below oil level, there is pressure differential in lubricating oil or air pressure inside has pressure difference；It is easily caused problems with：
1st, oil sealing can be deformed by the pressure differential extruding of lubricating oil, not have the effect of gear oil；
2nd, oil sealing can be produced mobile, dislocation or tilted by the pressure differential extruding of lubricating oil, not have oil-blocking action；
3rd, lubricating oil liquid level is high-end flows to after low side, and high level end will cause gear Fast Wearing because of lack of lubrication.
Utility model content
The utility model is intended at least solve one of technical problem in correlation technique to a certain extent.Therefore, this reality
A kind of speed reducer assembly, oil-leakage-prevention performance and the venting capability lifting of the speed reducer assembly, reliable operation are proposed with new
Property improve.
The utility model also proposed a kind of vehicle with above-mentioned speed reducer assembly.
The utility model also proposed a kind of oil-leakage-prevention ventilation part.
According to the speed reducer assembly of the utility model first aspect, including：Defined in reducing gearbox, the reducing gearbox
Axocoel, gear cavity, the first installation cavity and the second installation cavity, first installation cavity and second installation cavity respectively with the axle
Chamber is connected and is distributed along the axial direction of the axocoel, second installation cavity be located at first installation cavity and the gear cavity it
Between, the reducing gearbox is provided with the passage connected with first installation cavity；Axis body, the axis body is located at the axocoel
It is interior；Sleeve pipe, described sleeve pipe is located in first installation cavity and is set on the axis body, and described sleeve pipe, which is stopped, is against described first
Between the outer peripheral face of the internal face of installation cavity and the axis body, be communicated with the perisporium of described sleeve pipe the passage with it is described
The venting channels of axocoel；Oil sealing, the oil sealing is located in second installation cavity and is set on the axis body.
Lifted according to the oil-leakage-prevention performance and venting capability of speed reducer assembly of the present utility model, functional reliability is improved.
In addition, can also have technical characteristic additional as follows according to speed reducer assembly of the present utility model：
According to some embodiments of the present utility model, the venting channels include the recessed of the periphery wall for being located at described sleeve pipe
Groove, one end of the groove is connected with the passage, and the other end of the groove is connected with second installation cavity.
According to some embodiments of the present utility model, the groove type turns into the annular along the circumferentially extending of described sleeve pipe
Groove, the two ends of described sleeve pipe be respectively formed with outwardly and with first installation cavity internal face stop to it is first annular convex
At least one of the groove and second installation cavity are communicated with edge and the second annular flange, the first annular flange
Openings, the least significant end of the openings is higher than the wall surface of first installation cavity.
According to some embodiments of the present utility model, the outer peripheral face of the first annular flange is provided with trimming, described to cut
The openings are formed with side.
According to some embodiments of the present utility model, the axis body is horizontally extending, and the openings are two, two
The individual openings are located at the two ends of the horizontal direction of described sleeve pipe respectively.
According to some embodiments of the present utility model, the outer peripheral face of the first annular flange and second annular flange
Outer peripheral face be respectively formed as planar annular.
According to some embodiments of the present utility model, radial direction insertion described sleeve pipe of the venting channels along described sleeve pipe
Inner circumferential wall and periphery wall.
According to some embodiments of the present utility model, described sleeve pipe is formed as one part.
According to the oil-leakage-prevention ventilation part of the utility model second aspect, the oil-leakage-prevention ventilation part is formed as sleeve pipe, described
The periphery wall of sleeve pipe is provided with the groove that caves inward, and the two ends of described sleeve pipe are respectively formed with outwardly first annular
Flange and the second annular flange, the first annular flange are provided with least one openings connected with the groove.
According to the vehicle of the utility model third aspect embodiment, including according to speed reducer assembly of the present utility model.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Fig. 1 is the structural representation of the speed reducer assembly according to the utility model embodiment；
Fig. 2 is that Fig. 1 centre circles show enlarged diagram at a；
Fig. 3 is the structural representation of the reducing gearbox of the speed reducer assembly according to the utility model embodiment；
Fig. 4 is the structural representation of the sleeve pipe of the speed reducer assembly according to the utility model embodiment；
Fig. 5 is the sectional view along Fig. 4 center line A-A directions.
Reference：
Speed reducer assembly 100；
Reducing gearbox 10；Axis body 20；Sleeve pipe 30；Oil sealing 40；
First installation cavity 101；Second installation cavity 102；Axocoel 103；Gear cavity 104；Passage 105；
Groove 31；Openings 32；First annular flange 310；Second annular flange 320；Trimming 330.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings.Below by
The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicality
The limitation of type, one of ordinary skill in the art can be changed to above-described embodiment in the range of the utility model, repair
Change, replace and modification.
The speed reducer assembly 100 according to the utility model embodiment is described in detail below in conjunction with the accompanying drawings.
Referring to figs. 1 to shown in Fig. 5, it may include according to the speed reducer assembly 100 of the utility model embodiment：Reducing gearbox
10th, axis body 20, sleeve pipe 30 and oil sealing 40.
Specifically, axocoel 103, gear cavity 104, the first installation cavity 101 and second are defined in reducing gearbox 10 to install
Chamber 102, the first installation cavity 101 and the second installation cavity 102 are connected with axocoel 103 respectively, and the first installation cavity 101 and the second peace
Behave affectedly 102 along axocoel 103 axial direction be distributed, the second installation cavity 102 be located between the first installation cavity 101 and gear cavity 104.Subtract
Fast device shell 10 is provided with passage 105, and passage 105 is connected with the first installation cavity 101, and breather valve can be set at passage 105
(not shown).
Axis body 20 may be provided in axocoel 103, and sleeve pipe 30 is located in the first installation cavity 101 and is set on axis body 20, oil
Envelope 40 is located in the second installation cavity 102 and is set on axis body 20.Differential mechanism is attached to one end of speed reducer assembly 100,
The gear of differential mechanism may be provided in gear cavity 104 and be connected with axis body 20, to be rotated under the drive of axis body 20.
The both sides of speed reducer assembly 100 have two oil pockets respectively, and a high level oil pocket, a low liquid level oil pocket is low
Liquid level oil pocket is located at the side of gear cavity 104.Here, high level and low liquid level are comparatively, by two oil pockets
Fluid position is compared, and the high person of liquid level is high level, and the low person of liquid level is low liquid level.
Because the liquid level in two oil pockets is different, there is difference of height above and below oil level, lubricating oil has pressure differential or internal gas
There is pressure difference in pressure.In the related art, in order to prevent the oil pocket intercommunication of both sides, oil sealing is provided with reducing gearbox.But, when
When speed reducer assembly is run, oil sealing is also easy to produce deformation by the pressure differential extruding of lubricating oil, is shifted over or misplaces, and does not have gear oil
Act on, and lubricating oil is flowed to after low side from liquid level is high-end, and high level one end will cause gear quickly to grind because of lack of lubrication
Damage.
And in this application, in reducing gearbox 10 in addition to being provided with oil sealing 40, it is additionally provided with sleeve pipe 30, sleeve pipe 30
Between oil sealing 40 and the oil pocket of high level, when sleeve pipe 30 is assemblied in the first installation cavity 101, the outer peripheral face of sleeve pipe 30 can
The internal face of the first installation cavity 101 is only supported, the inner peripheral surface of sleeve pipe 30 can be only to the outer peripheral face of axis body 20.Wherein, to make axis body 20
Rotate more smooth, wear and tear smaller, the inner peripheral surface of sleeve pipe 30 can coordinate with the gap of axis body 20, can be between axis body 20 and sleeve pipe 30
It is lubricated using lubricating oil.
Thus, oil sealing 40 is not provided only between high level oil pocket and low liquid level oil pocket, sleeve pipe 30, sleeve pipe 30 is additionally provided with
Also there is oil-blocking action, influence of the lubricating oil pressure difference to oil sealing 40 can be reduced, not only can effectively prevent lubricating oil from high liquid
Bit stream to low liquid level, can also reduce lubricating oil from low liquid level to passage 105 at flow, reduce oil leak, speed reducer assembly
100 lubricity is good, and the abrasion between part is reduced, and functional reliability is improved.
Meanwhile, venting channels, venting channels connection passage 105 and axocoel 103 are additionally provided with the perisporium of sleeve pipe 30 so that
Speed reducer assembly 100 can also realize that inner and outer air pressure is connected in the case where being provided with sleeve pipe 30, be put down beneficial to inner and outer air pressure is kept
Weighing apparatus, speed reducer assembly 100 works more steady reliable.The sleeve pipe 30 is formed as a kind of oil-leakage-prevention ventilation part, can improve decelerator
The oil-leakage-prevention problem of assembly 100, while improving aeration.
According to the speed reducer assembly 100 of the utility model embodiment, by the high level oil pocket in reducing gearbox 10 and
Sleeve pipe 30 with venting channels is set between oil sealing 40 and sleeve pipe 30 is only against between axis body 20 and reducing gearbox 10, is made
Extruding of the lubricating oil directly to oil sealing 40 can be prevented by obtaining sleeve pipe 30, reduced oil leak, again can be discharged air pressure inside, it is ensured that two
The pressure balance of side air pressure, and breather valve need not be arranged on higher position, adds in oil mass, high temperature and stirs the states such as oil
Under, it is possibility to have effect reduces oil leak at breather valve, oil-leakage-prevention performance and the venting capability lifting of the speed reducer assembly 100, work
Reliability is improved.
Venting channels are formed as various structures, alternatively, and in some embodiments of the present utility model, venting channels can
Along the inner circumferential wall and periphery wall of the radial direction insertion sleeve pipe 30 of sleeve pipe 30.That is, venting channels are formed as along sleeve pipe 30
The duct radially extended, the inner in duct extends to the inner peripheral surface of sleeve pipe 30, and the outer end in duct extends to the periphery of sleeve pipe 30
Face so that axocoel 103 can realize and connect that ventilatory effect is good and easily manufactured with passage 105.
Concaved as shown in figure 3, can be provided with other embodiments of the present utility model, on the periphery wall of sleeve pipe 30
Sunken groove 31, venting channels include the groove 31, and one end of groove 31 connects with passage 105, the other end of groove 31 and
Second installation cavity 102 is connected, now, and passage 105 can also realize the connection with the installation cavity 102 of axocoel 103 and second, is led to
Gas effect is good and processing is more convenient.
Further, groove 31 can be formed as the annular groove of the circumferentially extending along sleeve pipe 30, the two ends difference of sleeve pipe 30
It is formed with the outwardly annular flange 320 of first annular flange 310 and second, the first annular convex annular of flange 310 and second
Edge 320 stop respectively with the internal face of the first installation cavity 101 to.First annular flange 310 is adjacent to the second installation cavity 102, the second ring
Shape flange 320 is communicated with the installation cavity 102 of groove 31 and second on the first installation cavity 101, first annular flange 310
At least one openings 32.
Thus, passage 105 can realize the connection with the second installation cavity 102 by groove 31 and openings 32.This kind
The sleeve pipe 30 of structure is not only easily manufactured, and is easy to assembling, when assembling sleeve pipe 30 without carrying out passage in the circumferential
105 find operation accurately with venting channels, and ventilation and gear oil effect further lift.
In actual installation, the least significant end of openings 32 can be higher than the wall surface of the first installation cavity, that is to say, that openings
32 are not arranged in the least significant end of first annular flange 310.Thus, openings 32 will not be located at the inner cavity chamber of reducing gearbox 10
Lowest part, can more efficiently prevent from lubricating oil by openings 32 to flowing at passage 105 while ventilation is realized, prevent
Oil leak effect is further improved.
As shown in Figure 4 and Figure 5, can be provided with trimming 330, trimming 330 on the outer peripheral face of first annular flange 310 to form
There are openings 32.That is, openings 32 are formed on the position of trimming 330 at first annular flange 310.Thus, more just
In manufacture sleeve pipe 30.In actually manufacture, openings 32 can be cut again after first annular flange 310 is manufactured
What side 330 processing was formed, need not can also carry out trimming 330 handle and as first annular flange 310 is formed together.Therefore,
Here trimming 330 is from a structural point, rather than to refer to and must carry out trimming 330 and operate.
In some embodiments of the present utility model, openings 32 can be two, speed reducer assembly 100 when in use, axle
Body 20 can be with horizontally extending, and two openings 32 can be respectively positioned at the two ends of the horizontal direction of sleeve pipe 30, i.e., two
Openings 32 are in the two ends of sustained height and the same diameter positioned at sleeve pipe 30.Thus, the height phase of two openings 32
To higher, oil leak can be more efficiently prevented from while preferable ventilatory effect is ensured.
As shown in Figure 4 and Figure 5, the outer peripheral face of first annular flange 310 and the outer peripheral face of the second annular flange 320 difference shape
As planar annular.Thus, the face that sleeve pipe 30 is in contact with reducing gearbox 10 is more smooth, can improve sleeve pipe 30 and decelerator
Shell 10 only supports effect, sleeve pipe 30 is installed more firmly and to keep off oily effect more preferable.Further, first annular flange 310
Outer end and the outer end of the second annular flange 320 can be formed with corner cut, in favor of processing.
In some embodiments of the present utility model, sleeve pipe 30 is formed as one part.Thus, it can not only ensure
The bulk strength and structural stability of sleeve pipe 30, and be conveniently molded, be simple to manufacture, and eliminate unnecessary assembly parts and
Process is connected, the efficiency of assembling of speed reducer assembly 100 can be improved, easy for installation and firm, the oily effect of gear is good.
A specific example of sleeve pipe 30 is shown in Fig. 4 and Fig. 5, as shown in Figure 4 and Figure 5, sleeve pipe 30 is integrally formed into
Hollow cylindrical, axis body 20 can be located in sleeve pipe 30, and the two ends of the outer peripheral face of sleeve pipe 30 are respectively formed with the of circumferentially extending
Circumferentially extending groove 31 is formed with the middle part of one annular flange 310 and the second annular flange 320, the outer peripheral face of sleeve pipe 30, the
One annular flange 310 is provided with two trimmings 330 being oppositely arranged.Now, sleeve pipe 30 is integrally formed carries flat position for one end
Breach and the other end carries the structure on the face of cylinder, the diameter of the centre of sleeve pipe 30 is less than in the diameter on the face of cylinder, sleeve pipe 30
Between can be connected with passage 105.Wherein, the distance and the wall surface of groove 31 of the central axis of the distance sleeve 30 of trimming 330
It is equal with the distance of the central axis of sleeve pipe 30.Thus, it is more convenient for manufacturing, and it is more smooth to ventilate.
Speed reducer assembly 100 according to the utility model embodiment is included according to the vehicle of the utility model embodiment.By
According to the speed reducer assembly 100 of the utility model embodiment have above-mentioned beneficial technique effect, therefore according to this practicality newly
The vehicle of type embodiment has preferable oil-leakage-prevention and venting capability, and functional reliability is higher.
According to other compositions of the vehicle of the utility model embodiment and speed reducer assembly 100 and operation for ability
It is knowable for the those of ordinary skill in domain, is not described in detail herein.
In description of the present utility model, it is to be understood that term " " center ", " on ", " under ", "front", "rear", " water
It is flat ", " interior ", " outer ", " axial direction ", " radial direction ", the orientation of the instruction such as " circumference " or position relationship is based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than indicate or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
In description of the present utility model, " multiple " are meant that at least two, such as two, three etc., unless otherwise
It is clearly specific to limit.In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on "
Can be that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.
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, unless otherwise clear and definite restriction.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 " embodiment " or " specific example " etc. means to combine the implementation
Example or specific features, structure, material or the feature of example description are contained at least one embodiment of the present utility model or shown
In example.In this manual, identical embodiment or example are necessarily directed to the schematic representation of above-mentioned term.And
And, specific features, structure, material or the feature of description can be in any one or more embodiments or example with suitable side
Formula is combined.In addition, in the case of not conflicting, those skilled in the art can be real by the difference described in this specification
The feature for applying example or example and non-be the same as Example or example is combined and combined.
Claims (10)
1. a kind of speed reducer assembly, it is characterised in that including：
Axocoel, gear cavity, the first installation cavity and the second installation cavity, described first are defined in reducing gearbox, the reducing gearbox
Installation cavity and second installation cavity are connected with the axocoel and are distributed along the axial direction of the axocoel, second installation cavity respectively
Between first installation cavity and the gear cavity, the reducing gearbox is logical provided with what is connected with first installation cavity
Stomata；
Axis body, the axis body is located in the axocoel；
Sleeve pipe, described sleeve pipe is located in first installation cavity and is set on the axis body, and described sleeve pipe, which is stopped, is against described the
Between the outer peripheral face of the internal face of one installation cavity and the axis body, the passage and institute are communicated with the perisporium of described sleeve pipe
State the venting channels of axocoel；
Oil sealing, the oil sealing is located in second installation cavity and is set on the axis body.
2. speed reducer assembly according to claim 1, it is characterised in that the venting channels include being located at described sleeve pipe
Groove on the wall of periphery, one end of the groove is connected with the passage, the other end of the groove and the described second peace
It behave affectedly connection.
3. speed reducer assembly according to claim 2, it is characterised in that the groove type turns into the circumference along described sleeve pipe
The annular groove of extension, the two ends of described sleeve pipe be respectively formed with outwardly and with first installation cavity internal face stop to
The groove and second installation cavity are communicated with first annular flange and the second annular flange, the first annular flange
At least one openings, the least significant end of the openings is higher than the wall surface of first installation cavity.
4. speed reducer assembly according to claim 3, it is characterised in that the outer peripheral face of the first annular flange is provided with
The openings are formed with trimming, the trimming.
5. speed reducer assembly according to claim 3, it is characterised in that the axis body is horizontally extending, described to pass through
Port is two, and two openings are located at the two ends of the horizontal direction of described sleeve pipe respectively.
6. speed reducer assembly according to claim 3, it is characterised in that the outer peripheral face of the first annular flange and described
The outer peripheral face of second annular flange is respectively formed as planar annular.
7. speed reducer assembly according to claim 1, it is characterised in that the venting channels are passed through along the radial direction of described sleeve pipe
The inner circumferential wall and periphery wall of logical described sleeve pipe.
8. the speed reducer assembly according to any one of claim 1-7, it is characterised in that described sleeve pipe is formed as one
Part.
9. a kind of oil-leakage-prevention ventilation part, it is characterised in that the oil-leakage-prevention ventilation part is suitable to the axis body for being set in speed reducer assembly
Above and only it is against between axis body and reducing gearbox, the oil-leakage-prevention ventilation part is formed as on sleeve pipe, the periphery wall of described sleeve pipe
Provided with the groove caved inward, the two ends of described sleeve pipe are respectively formed with outwardly first annular flange and the second convex annular
Edge, the first annular flange is provided with least one openings connected with the groove.
10. a kind of vehicle, it is characterised in that including the speed reducer assembly according to any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621297086.XU CN206522429U (en) | 2016-11-28 | 2016-11-28 | Oil-leakage-prevention ventilation part, speed reducer assembly and the vehicle with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621297086.XU CN206522429U (en) | 2016-11-28 | 2016-11-28 | Oil-leakage-prevention ventilation part, speed reducer assembly and the vehicle with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206522429U true CN206522429U (en) | 2017-09-26 |
Family
ID=59889324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621297086.XU Active CN206522429U (en) | 2016-11-28 | 2016-11-28 | Oil-leakage-prevention ventilation part, speed reducer assembly and the vehicle with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206522429U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657228A (en) * | 2018-06-29 | 2020-01-07 | 比亚迪股份有限公司 | Speed reducer, wheel-side drive axle assembly and vehicle |
| CN112747108A (en) * | 2020-12-30 | 2021-05-04 | 苏州绿科智能机器人研究院有限公司 | Speed reducer with ventilation structure |
-
2016
- 2016-11-28 CN CN201621297086.XU patent/CN206522429U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657228A (en) * | 2018-06-29 | 2020-01-07 | 比亚迪股份有限公司 | Speed reducer, wheel-side drive axle assembly and vehicle |
| CN110657228B (en) * | 2018-06-29 | 2021-11-12 | 比亚迪股份有限公司 | Speed reducer, wheel-side drive axle assembly and vehicle |
| CN112747108A (en) * | 2020-12-30 | 2021-05-04 | 苏州绿科智能机器人研究院有限公司 | Speed reducer with ventilation structure |
| CN112747108B (en) * | 2020-12-30 | 2022-05-24 | 苏州绿科智能机器人研究院有限公司 | Speed reducer with ventilation structure |
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