CN209539989U - Labyrinth type reduction-gear housing and retarder - Google Patents
Labyrinth type reduction-gear housing and retarder Download PDFInfo
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- CN209539989U CN209539989U CN201920114539.8U CN201920114539U CN209539989U CN 209539989 U CN209539989 U CN 209539989U CN 201920114539 U CN201920114539 U CN 201920114539U CN 209539989 U CN209539989 U CN 209539989U
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Abstract
The utility model relates to automobile technical field more particularly to a kind of labyrinth type reduction-gear housings and retarder.The labyrinth type reduction-gear housing includes: reducer shell, electric machine casing, at least two pieces labyrinth wallboard, ventholes equipped with ventilation through-hole；The reducer shell and the electric machine casing are interference fitted to form hermetic type chamber；All labyrinth wallboards are located at that the hermetic type is intracavitary, formed include a gas outlet and at least one air intake type chamber venting channels, the gas for being discharged by venthole in the hermetic type chamber.The labyrinth type reduction-gear housing and retarder of the utility model realize ventilation, prevent gear oil from releasing from venthole, to solve the problems, such as that high-revolving dynamical system middle gear is released in rotary course middle gear oil from venthole in the prior art.
Description
Technical field
The utility model relates to automobile technical field more particularly to a kind of labyrinth type reduction-gear housings and retarder.
Background technique
Currently, in the development trend of new energy retarder, under the requirement that dynamical system cost gradually declines, it is desirable that electricity
The output torque of machine is smaller and smaller, in the case where keeping wheel end torque output constant, will require the speed ratio of retarder increasingly
Thus height requires the input speed of motor higher and higher, the cabinet design for thereby resulting in retarder in the process sets ventilation device
Count higher and higher, structure becomes increasingly complex.
In the prior art, ventilation device is made of electric machine casing, reducer shell, venthole, and venthole is located at highest point
Gas for being discharged in retarder inner cavity, but gear rushes retarder inner cavity in the oil stream that rotary course middle gear oil is formed
It hits, gear oil is caused to release from venthole, cause the erroneous judgement of oil leak of reducer.
Utility model content
The technical issues of the utility model solves is to provide a kind of labyrinth type reduction-gear housing and retarder, existing to solve
There is in technology high-revolving dynamical system middle gear the problem of rotary course middle gear oil is released from venthole.
In a first aspect, the utility model discloses a kind of labyrinth type reduction-gear housings, comprising: reducer shell, electric machine casing,
At least two pieces labyrinth wallboard, ventholes equipped with ventilation through-hole；The reducer shell and the electric machine casing are interference fitted shape
At hermetic type chamber；It is intracavitary that all labyrinth wallboards are located at the hermetic type, and being formed includes a gas outlet and at least one enters
The type chamber venting channels of port, the gas for being discharged by venthole in the hermetic type chamber.
Further, the ventilation arrays of openings mode on labyrinth wallboard described in muti-piece dislocation, it is parallel in select it is a kind of or
Two kinds.
Further, the labyrinth wallboard includes reducing gearbox body end labyrinth wallboard, motor casing body end labyrinth wallboard, described
Reducing gearbox body end labyrinth wallboard and motor casing body end labyrinth wallboard are interference fitted.
Further, reducing gearbox body end labyrinth wallboard and the reducing gearbox body by integral forming, the motor
Shell ends labyrinth wallboard and electric machine casing are integrally formed.
Further, the air intake quantity of the type chamber venting channels is one, and it is logical that the air intake is located at the type chamber
The bottom in gas channel.
Further, the type chamber venting channels include multiple labyrinth cavitys, and each labyrinth cavity includes one and goes out
Mouth and an entrance.
Further, near the line of the entrance of the labyrinth cavity of the venthole and venthole and horizontal friendship
Angle is acute angle.
Further, when labyrinth type reduction-gear housing is mounted in dynamical system, the angle of the labyrinth wallboard and horizontal plane
For α, 0 ° of 180 ° of < α <.
Second aspect, the invention also discloses a kind of retarders, comprising: the described in any item labyrinth types of first aspect
Reduction-gear housing.
Further, the retarder further includes the labyrinth type breather plug with venthole cooperation, the labyrinth type
Breather plug includes ventilation cock body, at least two labyrinth gusset, ventilation cock caps equipped with through-hole equipped with inner hole；The ventilation cock body
It is interspersed to be arranged in the through-hole of the labyrinth gusset；The ventilation cock cap spiral-lock is on the ventilation cock body top, and interference is installed
In labyrinth gusset periphery；The labyrinth gusset is equipped at least one gap, the gap of the labyrinth gusset of adjacent two
It shifts to install, the inner hole of all gap and the ventilation cock body forms continuous venting channels in the ventilation cock cap.
In conclusion the utility model has the following beneficial effects: the labyrinth type reduction-gear housing of the utility model it is described
Reducer shell and the electric machine casing are interference fitted to form hermetic type chamber；All labyrinth wallboards are located at the hermetic type chamber
It is interior, the type chamber venting channels including a gas outlet and at least one air intake are formed, it is described close for being discharged by venthole
Gas in closed form chamber；The oil stream that gear is formed in rotary course middle gear oil prevents gear oil by the blocking of labyrinth wallboard
The gas for being discharged, but also being discharged by type chamber venting channels and venthole in hermetic type chamber from venthole.This is practical new
The retarder of type uses labyrinth type reduction-gear housing above-mentioned, therefore, the labyrinth type reduction-gear housing and retarder of the utility model
It realizes ventilation, prevent gear oil from releasing from venthole, to solve high-revolving dynamical system middle gear in the prior art
The problem of rotary course middle gear oil is released from venthole.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that this implements novel preferred embodiment labyrinth type reduction-gear housing retarder end.
Fig. 2 is the structural schematic diagram that this implements novel preferred embodiment labyrinth type reduction-gear housing motor side.
Fig. 3 is the structural schematic diagram that this implements the breather plug of novel preferred embodiment retarder.
Fig. 4 is the schematic cross-section that this implements the breather plug of novel preferred embodiment retarder.
Specific embodiment
The feature and exemplary embodiment of the various aspects of the utility model is described more fully below, in order to keep this practical new
The objects, technical solutions and advantages of type are more clearly understood, and with reference to the accompanying drawings and embodiments, carry out the utility model into one
Step detailed description.It should be noted that being used to help understand the utility model for the explanation of these embodiments, but simultaneously
The restriction to the utility model is not constituted.In addition, skill involved in the various embodiments of the present invention described below
Art feature can be combined with each other as long as they do not conflict with each other.
Embodiment 1
Fig. 1 and Fig. 2 are please referred to, the utility model discloses a kind of labyrinth type reduction-gear housings, comprising: reducer shell 40,
Electric machine casing 50, at least two pieces labyrinth wallboard 60, ventholes 70 equipped with ventilation through-hole；The reducer shell 40 and the electricity
The interference fit of casing body 50 forms hermetic type chamber 80；All labyrinth wallboards 60 are located in the hermetic type chamber 80, form packet
The type chamber venting channels for including a gas outlet He at least one air intake, for the hermetic type chamber 80 to be discharged by venthole 70
In gas.The oil stream that gear is formed in rotary course middle gear oil prevents gear oil from logical by the blocking of labyrinth wallboard 60
Stomata 70 is discharged, but also the gas that can be discharged by type chamber venting channels and venthole 70 in hermetic type chamber 80.
In the present embodiment, when labyrinth type reduction-gear housing is mounted in dynamical system, the venthole 70 is located in highest
Place, is connected to by type chamber venting channels with hermetic type chamber 80, is conducive to the gas being discharged in hermetic type chamber 80 in time, can also be prevented
Only oil is discharged from venthole 70.It is understood that venthole 70, which may be located on labyrinth type reduction-gear housing, is mounted on dynamical system
The other positions of upper surface when in system；In one embodiment, hermetic type can also be discharged using center ventilating column with holes
Gas in chamber 80, shape and structure are not specifically limited herein.
In the present embodiment, venthole 70 is arranged in labyrinth type reduction-gear housing one end, and labyrinth type reduction-gear housing is mounted on dynamic
When in Force system, labyrinth type reduction-gear housing be provided with 70 one end of venthole height above sea level be higher than labyrinth type reduction-gear housing be provided with it is logical
The height above sea level of the other end of 70 one end of stomata, so that the gas be conducive in hermetic type chamber 80 concentrates on 70 lower section of venthole, favorably
It is discharged in time in gas.
In a variant embodiment of the present embodiment, when labyrinth type reduction-gear housing is mounted in dynamical system, venthole
70 are arranged in the upper surface of labyrinth type reduction-gear housing, are discharged in time to be conducive to gas.
In the present embodiment, venthole 70 is located at the upper surface of reducer shell 40.It is understood that in a kind of implementation
In example, venthole 70 is located at the upper surface of electric machine casing 50；In another embodiment, venthole 70 is located at labyrinth type retarder
Case upper surface and in 40 junction of electric machine casing 50 and reducer shell.
In the utility model preferred embodiment, the ventilation arrays of openings mode on labyrinth wallboard 60 described in muti-piece is in mistake
Position, parallel middle selection are one or two kinds of, to be beneficial to prevent oil directly into type chamber venting channels, avoid oil from venthole 70
It releases.Ventilation through-hole can be round, rectangular, polygon etc., be not specifically limited herein.
In the present embodiment, the labyrinth wallboard 60 includes reducing gearbox body end labyrinth wallboard, motor casing end labyrinth wallboard,
Reducing gearbox body end labyrinth wallboard and motor casing end labyrinth wallboard are interference fitted, to be conducive to machining and group
Dress.
In a variant embodiment of the present embodiment, labyrinth wallboard 60 do not differentiate between for reducing gearbox body end labyrinth wallboard,
Motor casing end labyrinth wallboard, the first side of labyrinth wallboard 60 and reducer shell 40 are interference fitted, labyrinth wallboard 60 with first
The opposite second side in side and electric machine casing 50 are interference fitted.
In the present embodiment, reducing gearbox body end labyrinth wallboard and the reducer shell 40 are integrally formed, the electricity
Chassis end labyrinth wallboard and electric machine casing 50 are integrally formed, then again reducer shell 40 and electric machine casing 50, reducing gearbox
Body end labyrinth wallboard and motor casing end labyrinth wallboard interference fit are installed.To take into account the strength and stiffness of cabinet, mold at
Type simple process, improves product qualification rate.
In a variant embodiment of the present embodiment, reducing gearbox body end labyrinth wallboard is matched with 40 interference of reducer shell
Installation is closed, motor casing end labyrinth wallboard and the interference fit of electric machine casing 50 are installed, then again reducer shell 40 and motor casing
Body 50, reducing gearbox body end labyrinth wallboard and motor casing end labyrinth wallboard interference fit are installed, so that assembling flexibility is improved,
Improve the service efficiency of equipment.
In another variant embodiment of the present embodiment, after the labyrinth wallboard 60 fits together, it is mounted on ventilation
70 lower section of hole, then again installs motor casing end labyrinth wallboard and the interference fit of electric machine casing 50, so that it is flexible to improve assembling
Property, improve the service efficiency of equipment.
In the present embodiment, the surface of labyrinth wallboard 60 includes one or more of arcwall face, plane, Special-Shaped Surface,
It is not specifically limited herein；The shape at 60 edge of labyrinth wallboard is irregular polygon, to realize and electric machine casing 50, deceleration
Device shell 40 is interference fitted, and is not specifically limited herein.
In the present embodiment, the air intake quantity of the type chamber venting channels is one, and labyrinth type reduction-gear housing is mounted on
When in dynamical system, the air intake is located at the bottom of the type chamber venting channels.Air intake can be to avoid tooth in bottom
Wheel in the oil stream that rotary course middle gear oil is formed pours the type chamber venting channels from air intake, to prevent gear oil from leading to
Stomata 70 is discharged to hermetic type chamber 80.
In another variant embodiment of the present embodiment, the air intake quantity of the type chamber venting channels is multiple, fan
When palace formula reduction-gear housing is mounted in dynamical system, the height above sea level of the air intake of the top is lower than the height above sea level of venthole 70
Degree, the gas be conducive in type chamber venting channels are discharged from venthole 70.
In the utility model preferred embodiment, the type chamber venting channels include multiple labyrinth cavitys 81, Mei Gesuo
Stating labyrinth cavity 81 includes one outlet and an entrance 811, and oily movement velocity, is conducive to oil in reduction type chamber venting channels
Cooling for reflux, so that gear oil be prevented to be discharged to hermetic type chamber 80 from venthole 70.
In the present embodiment, multiple labyrinth cavitys 81 line up, and air intake is located at the lowermost labyrinth cavity 81, topmost
Labyrinth cavity 81 be connected to venthole 70, oily movement velocity, is conducive to oily cooling for reflux in reduction type chamber venting channels, from
And gear oil is prevented to be discharged to hermetic type chamber 80 from venthole 70, and be conducive to process.
In a variant embodiment of the present embodiment, the wrong row's setting of multiple labyrinth cavitys 81, reduction type chamber venting channels
The movement velocity of middle oil, is conducive to oily cooling for reflux, to prevent gear oil from spilling into hermetic type chamber 80 from venthole 70.
In the utility model preferred embodiment, near the venthole 70 labyrinth cavity 81 entrance 811 with
The line of venthole 70 and the horizontal angle of cut are acute angle, can be to avoid most when labyrinth type reduction-gear housing receives external force and shakes
Oil stream close to the entrance 811 of the labyrinth cavity 81 of the venthole 70 pours venthole 70, to prevent gear oil from ventilation
Hole 70 is discharged to hermetic type chamber 80.
In the utility model preferred embodiment, when labyrinth type reduction-gear housing is mounted in dynamical system, the labyrinth
The angle of wallboard 60 and horizontal plane is α, 0 ° of 180 ° of < α <, so that labyrinth wallboard 60 plays a guide functions to oil stream, favorably
It is discharged in gas.
Embodiment 2
Fig. 3 and Fig. 4 are please referred to, the utility model discloses a kind of labyrinth type breather plugs 71, comprising: logical equipped with inner hole 11
Vent plug body 10, at least two is equipped with the labyrinth gusset 20 of through-hole 22, ventilation cock cap 30；The ventilation cock body 10 is interspersed to be arranged in institute
It states in the through-hole 22 of labyrinth gusset 20；30 spiral-lock of ventilation cock cap is on 10 top of ventilation cock body, and interference is mounted on institute
State 20 periphery of labyrinth gusset；The labyrinth gusset 20 is equipped at least one gap 21, the labyrinth gusset 20 of adjacent two
Gap 21 shifts to install, the inner hole 11 of all gap 21 and the ventilation cock body 10 company of being formed in the ventilation cock cap 30
Continuous venting channels.The gas ventilated in the inner hole 11 of cock body 10 by venting channels from ventilation 30 lower edge of cock cap discharge, from logical
The water that 30 lower edge of vent plug cap pours labyrinth type breather plug 71 prevents water directly into ventilation cock body 10 through the blocking of labyrinth gusset 20
Inner hole 11, residual water is discharged outside labyrinth type breather plug 71 in time through 20 water conservancy diversion of labyrinth gusset, so that water be prevented to enter deceleration
Device.
In the present embodiment, the central point of through-hole 22 is located on the center line of labyrinth gusset 20, is conducive to labyrinth gusset 20
Processing.
In a variant embodiment of the present embodiment, 22 central point of through-hole is located at outside the center line of labyrinth gusset 20.
Through-hole 22 can be round, rectangular, rectangle, be not specifically limited herein.
The shape of gap 21 can be round, rectangular, rectangle, semicircle, be not specifically limited herein.
In the present embodiment, ventilation 10 interference of cock body is interspersed is arranged in the through-hole 22 of the labyrinth gusset 20,
When labyrinth type breather plug 71 is shaken by external force, the ventilation cock body 10 remains preset mounting means with labyrinth gusset 20.
In a variant embodiment of the present embodiment, 10 interference of ventilation cock body is interspersed to be arranged in the labyrinth gusset
In 20 through-hole 22, and by sealing ring realize interference installation, sealing ring use flexible material, labyrinth type breather plug 71 by
When external force is shaken, the ventilation cock body 10 is more advantageous to labyrinth gusset 20 and remains preset mounting means.
In the utility model preferred embodiment, the through-hole 22 of the labyrinth gusset 20 and 10 top of ventilation cock body
Distance be less than 20 edge of labyrinth gusset with 10 top of ventilation cock body at a distance from, thus make labyrinth gusset 20 be in umbrella
Shape, umbrella are more preferable to liquid guide flow effect, are conducive to inner wall outflow ventilation cock cap 30 of the residual water along ventilation cock cap 30, realize
Better waterproof effect.
In the present embodiment, face where the edge of the labyrinth gusset 20 includes rounded face, to be conducive to cock cap of ventilating
30 and ventilation cock body 10 dismounting.
In a variant embodiment of the present embodiment, face where the edge of the labyrinth gusset 20 further include square face,
Rectangular surfaces, polygon facet.
In the present embodiment, the gap 21 is located at the edge of labyrinth gusset 20, so that labyrinth gusset 20 be facilitated to process, has
Labyrinth type is discharged from the lower edge of ventilation cock cap 30 along the inner wall of ventilation cock cap 30 in water conservancy diversion conducive to residual water through labyrinth gusset 20
Outside breather plug 71.
In a variant embodiment of the present embodiment, the gap 21 is located at the edge and through-hole 22 of labyrinth gusset 20
Between edge, as long as ensuring that all gap 21 and the inner hole 11 of the ventilation cock body 10 are formed in the ventilation cock cap 30
Continuous venting channels.
In the present embodiment, the edge of the not set gap 21 of the labyrinth gusset 20 prolongs to the crown of the ventilation cock cap 30
It stretches to form barrier 23, be discharged outside labyrinth type breather plug 71 after water conservancy diversion along gap 21 to be conducive to residual water.
In a variant embodiment of the present embodiment, the edge of the not set gap 21 of the labyrinth gusset 20 leads to described
The lower edge of vent plug cap 30 extends to form barrier 23, leads to be conducive to residual water and labyrinth type is discharged along gap 21 after water conservancy diversion
Outside vent plug 71.
In another variant embodiment of the present embodiment, the edge of the not set gap 21 of the labyrinth gusset 20 is to described
The crown of ventilation cock cap 30 extends to form upward barrier 23, and the edge of the not set gap 21 of the labyrinth gusset 20 is to described
The lower edge of ventilation cock cap 30 extends to form downward barrier 23.
In the present embodiment, the barrier 23 is equipped with internal screw thread, and 30 inner wall of ventilation cock cap is equipped with and the interior spiral shell
The external screw thread of line cooperation.By the cooperation of ventilation 30 external screw thread of cock cap and the internal screw thread of barrier 23, make the more mistake of cock cap 30 of ventilating
That is full of is mounted on 20 periphery of labyrinth gusset, prevents ventilation cock cap 30 from falling off.It is understood that hindering in one embodiment
Retaining wall 23 is equipped with external screw thread, and ventilation 30 inner wall of cock cap is equipped with the internal screw thread cooperated with the external screw thread.The tool of external screw thread, internal screw thread
Body structure is it is not limited here.
In a variant embodiment of the present embodiment, edge and ventilation 30 inner wall of cock cap of labyrinth gusset 20 are closely connect
Touching, so that realizing ventilation 30 interference of cock cap is mounted on 20 periphery of labyrinth gusset.
In the utility model preferred embodiment, the ventilation cock body 10 is provided with boss 12, and the boss 12 is located at
20 lower section of labyrinth gusset, forms gas outlet between the ventilation cock cap 30；12 diameter of boss is greater than the ventilation
The diameter of 30 inner cavity of cock cap to prevent water directly into labyrinth type breather plug 71, and is conducive to labyrinth type breather plug 71
It is screwedly mounted in retarder.The shape of boss 12 includes triangle, hexagon, circle, rectangular, rectangle etc., does not do specific limit herein
It is fixed.
In the utility model preferred embodiment, the outer wall top of the ventilation cock body 10 is provided with frustum, the cone
The diameter of platform is less than the diameter of the inner wall of the ventilation cock cap 30.Frustum generates blocking to water, to improve labyrinth type ventilation
The waterproof effect of plug 71.
In the utility model preferred embodiment, the top inner surface of the ventilation cock cap 30 is provided with several bar shapeds
Muscle, all bar shaped muscle it is described ventilation cock cap 30 central point intersection, convenient for air-flow along the channel that bar shaped muscle is formed arrange to
The inner cavity surrounding of ventilation cock cap 30, is conducive to gas and labyrinth type breather plug 71 is discharged in time.
Embodiment 3
The invention also discloses a kind of retarders, comprising: the described in any item labyrinth type reduction-gear housings of embodiment 1.
The oil stream that gear is formed in rotary course middle gear oil prevents gear oil from logical by the blocking of the labyrinth wallboard 60 of reduction-gear housing
Stomata 70 is discharged, but also the gas that can be discharged by type chamber venting channels and venthole 70 in hermetic type chamber 80.
In the utility model preferred embodiment, the retarder further includes the embodiment with the venthole 70 cooperation
2 described in any item labyrinth type breather plugs 71, the labyrinth type breather plug 71 include the ventilation cock body 10, at least equipped with inner hole 11
Two are equipped with the labyrinth gusset 20 of through-hole 22, ventilation cock cap 30；The ventilation cock body 10 is interspersed to be arranged in the labyrinth gusset 20
Through-hole 22 in；30 spiral-lock of ventilation cock cap is on 10 top of ventilation cock body, and interference is mounted on the labyrinth gusset 20
Periphery；The labyrinth gusset 20 is equipped at least one gap 21, and the dislocation of gap 21 of the labyrinth gusset 20 of adjacent two is set
It sets, it is logical that the inner hole 11 of all gap 21 and the ventilation cock body 10 forms continuous ventilation in the ventilation cock cap 30
Road.Gas in the inner hole 11 of ventilation cock body 10 is discharged by venting channels from ventilation 30 lower edge of cock cap, under ventilation cock cap 30
Prevent water directly into the inner hole 11 of ventilation cock body 10 through the blocking of labyrinth gusset 20 along the water for pouring labyrinth type breather plug 71, it is residual
Gusset 20 water conservancy diversion in the labyrinth Yu Shuijing is discharged in time outside labyrinth type breather plug 71, so that water be prevented to enter retarder.
In the present embodiment, the outer wall of ventilation cock body 10 is equipped with external screw thread, and 70 inner wall of venthole of retarder is equipped with ventilation
The venthole 70 of the internal screw thread of the external screw thread cooperation of the outer wall of cock body 10, ventilation cock body 10 and retarder passes through external screw thread and interior spiral shell
Line interference fit, plays fixed and sealing function.It is understood that in one embodiment, the outer wall of ventilation cock body 10 is set
There is internal screw thread, 70 inner wall of venthole of retarder is equipped with the external screw thread of the screw-internal thread fit of the outer wall of ventilation cock body 10.
In a variant embodiment of the present embodiment, the outer wall of ventilation cock body 10 is equipped with external screw thread, the ventilation of retarder
The ventilating column of the internal screw thread of the external screw thread cooperation of outer wall of the column wall equipped with ventilation cock body 10, ventilation cock body 10 and retarder passes through
External screw thread and internal screw thread interference fit, play fixed and sealing function.It is understood that in one embodiment, breather plug
The outer wall of body 10 is equipped with internal screw thread, and the ventilation column wall of retarder is equipped with the outer spiral shell of the screw-internal thread fit of the outer wall of ventilation cock body 10
Line.
In another variant embodiment of the present embodiment, 11 wall of inner hole of ventilation cock body 10 is equipped with external screw thread, slows down
The ventilation column outer wall of device is equipped with the internal screw thread of the external screw thread cooperation of 11 wall of inner hole of ventilation cock body 10, ventilate cock body 10 and retarder
Ventilating column be interference fitted by external screw thread and internal screw thread, play fixed and sealing function.It is understood that implementing at one
In example, 11 wall of inner hole of ventilation cock body 10 is equipped with internal screw thread, and the ventilation column outer wall of retarder is equipped with the inner hole 11 of ventilation cock body 10
The external screw thread of the screw-internal thread fit of wall.
In the utility model preferred embodiment, labyrinth type breather plug 71 and the junction of retarder are close by sealing ring
Envelope avoids water from entering retarder by the junction of labyrinth type breather plug 71 and retarder, extends the service life of equipment.
In conclusion the reducer shell 40 of the labyrinth type reduction-gear housing of the utility model and the electric machine casing 50
Interference fit forms hermetic type chamber 80；All labyrinth wallboards 60 are located in the hermetic type chamber 80, are formed and are gone out including one
The type chamber venting channels of port and at least one air intake, for the gas in the hermetic type chamber 80 to be discharged by venthole 70
Body；The oil stream that gear is formed in rotary course middle gear oil prevents gear oil from venthole 70 by the blocking of labyrinth wallboard 60
Discharge, but also the gas that can be discharged by type chamber venting channels and venthole 70 in hermetic type chamber 80.The utility model
Retarder uses labyrinth type reduction-gear housing above-mentioned, and therefore, the labyrinth type reduction-gear housing and retarder of the utility model are realized
Ventilation prevents gear oil from releasing from venthole 70, exists to solve high-revolving dynamical system middle gear in the prior art
The problem of rotary course middle gear oil is released from venthole 70.
It is above to lift preferred embodiment, the purpose of this utility model, technical solution and advantage are described in detail, it is above
The explanation of embodiment is merely used to help understand the method and its core concept of the utility model；Meanwhile for the one of this field
As technical staff, based on the idea of the present invention, there will be changes in the specific implementation manner and application range, furthermore
" first ", " second " used in the utility model and similar word are not offered as any sequence, quantity or importance,
And it is used only to distinguish different objects.In conclusion the content of the present specification is only the embodiments of the present invention, not because
The scope of patent protection of this limitation the utility model, equivalent knot made by using the description of the utility model and the drawings
Structure or equivalent process transformation, are applied directly or indirectly in other relevant technical fields, and are similarly included in the utility model
Scope of patent protection in.It should not be construed as a limitation of the present invention.
Claims (10)
1. a kind of labyrinth type reduction-gear housing characterized by comprising reducer shell, electric machine casing, at least two pieces be equipped with ventilation
Labyrinth wallboard, the venthole of through-hole；
The reducer shell and the electric machine casing are interference fitted to form hermetic type chamber；
All labyrinth wallboards are located at that the hermetic type is intracavitary, formed include a gas outlet and at least one air intake type
Chamber venting channels, the gas for being discharged by venthole in the hermetic type chamber.
2. labyrinth type reduction-gear housing according to claim 1, which is characterized in that the ventilation on labyrinth wallboard described in muti-piece is logical
Hole arrangement mode is one or two kinds of in dislocation, parallel middle selection.
3. labyrinth type reduction-gear housing according to claim 1, which is characterized in that the labyrinth wallboard includes reducer shell
Hold labyrinth wallboard, motor casing body end labyrinth wallboard, reducing gearbox body end labyrinth wallboard and motor casing body end labyrinth wall
Plate interference fit.
4. labyrinth type reduction-gear housing according to claim 3, which is characterized in that reducing gearbox body end labyrinth wallboard with
The reducing gearbox body by integral forming, motor casing body end labyrinth wallboard and electric machine casing are integrally formed.
5. labyrinth type reduction-gear housing according to claim 1, which is characterized in that the air intake number of the type chamber venting channels
Amount is one, and the air intake is located at the bottom of the type chamber venting channels.
6. labyrinth type reduction-gear housing according to any one of claims 1 to 5, which is characterized in that the type chamber venting channels
Including multiple labyrinth cavitys, each labyrinth cavity includes one outlet and an entrance.
7. labyrinth type reduction-gear housing according to claim 6, which is characterized in that near the labyrinth cavity of the venthole
Entrance and venthole line and the horizontal angle of cut be acute angle.
8. labyrinth type reduction-gear housing according to claim 6, which is characterized in that labyrinth type reduction-gear housing is mounted on dynamical system
When in system, the angle of the labyrinth wallboard and horizontal plane is α, 0 ° of 180 ° of < α <.
9. a kind of retarder characterized by comprising labyrinth type reduction-gear housing as claimed in any one of claims 1 to 8.
10. retarder according to claim 9, which is characterized in that the retarder further includes cooperating with the venthole
Labyrinth type breather plug, the labyrinth type breather plug include equipped with inner hole ventilation cock body, at least two be equipped with through-hole labyrinths
Gusset, ventilation cock cap；The ventilation cock body is interspersed to be arranged in the through-hole of the labyrinth gusset；The ventilation cock cap spiral-lock is in institute
Ventilation cock body top is stated, and interference is mounted on labyrinth gusset periphery；The labyrinth gusset is equipped at least one gap, adjacent
The gap of two labyrinth gussets shift to install, the inner hole of all gap and the ventilation cock body is in the breather plug
Continuous venting channels are formed in cap.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920114539.8U CN209539989U (en) | 2019-01-23 | 2019-01-23 | Labyrinth type reduction-gear housing and retarder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920114539.8U CN209539989U (en) | 2019-01-23 | 2019-01-23 | Labyrinth type reduction-gear housing and retarder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111740539A (en) * | 2020-07-22 | 2020-10-02 | 南京擅水科技有限公司 | Pneumatic speed reducing motor |
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2019
- 2019-01-23 CN CN201920114539.8U patent/CN209539989U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111740539A (en) * | 2020-07-22 | 2020-10-02 | 南京擅水科技有限公司 | Pneumatic speed reducing motor |
| CN111740539B (en) * | 2020-07-22 | 2021-01-29 | 中智电气南京有限公司 | Pneumatic speed reducing motor |
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Effective date of registration: 20231011 Address after: 201800 Room 307, 3rd Floor, Building 3, No. 1399 Shengzhu Road, Jiading District, Shanghai Patentee after: Yuchuan (Shanghai) Transmission Technology Co.,Ltd. Address before: 226400 Semiconductor Industrial Park, No. 8 Jinshan Road, High tech Industrial Development Zone, Rudong County, Nantong City, Jiangsu Province Patentee before: Jiangsu Yuchuan New Energy Technology Co.,Ltd. |
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