CN211901537U

CN211901537U - Speed reducer with oil guide plate and vehicle

Info

Publication number: CN211901537U
Application number: CN202020354219.2U
Authority: CN
Inventors: 唐亚卓
Original assignee: Yuchuan Shanghai Transmission Technology Co ltd
Current assignee: Yuchuan Shanghai Transmission Technology Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-11-10
Anticipated expiration: 2030-03-19

Abstract

The utility model belongs to the technical field of the vehicle, the technical problem of the oil leak often takes place at the position of ventilating of having solved reduction gear among the prior art, provides reduction gear and vehicle that the oil board was led in the area, and this reduction gear of oil board is led in the area includes: a first housing and a second housing connected to each other to form a closed chamber; a first oil guide plate and a second oil guide plate which are respectively provided with a first opening and a second opening and are opposite to each other are arranged on the first shell; a third oil guide plate and a fourth oil guide plate which are correspondingly abutted with the first oil guide plate and the second oil guide plate respectively are arranged on the second shell; the first shell is provided with a vent hole, and gas in the sealed cavity is discharged to the outside through the first opening, the second opening and the vent hole in sequence. The utility model provides a reduction gear and vehicle of oiled-plate are led in area has the advantage of guaranteeing to realize reliable oiliness on the good air permeability basis.

Description

Speed reducer with oil guide plate and vehicle

Technical Field

The utility model relates to the technical field of vehicles, especially, relate to a reduction gear and vehicle of oiled-plate are led in area.

Background

At present, with the development of automobiles in vehicles, particularly new energy automobiles, the maximum working input speed of a speed reducer is higher and higher, for example, the gear in the speed reducer of the existing new energy automobile reaches the input speed of 16000rpm, but for the speed reducer with high input speed, a large amount of lubricating oil splashes in the speed reducer, so that three media in different states exist in a shell of the speed reducer: the gear oil and the mixed oil gas can move to the ventilation part of the speed reducer without obstruction along with the driving of the air and then are discharged together, so that the unfavorable condition that the oil leakage often occurs at the ventilation part is easily caused.

Therefore, it is desirable to provide a speed reducer and a vehicle that can achieve reliable oil tightness while ensuring good air permeability.

SUMMERY OF THE UTILITY MODEL

The utility model discloses not enough to above-mentioned prior art, for realizing the utility model discloses an aim at, a reduction gear of oiled-plate is led in area is provided, it includes: a first housing and a second housing connected to each other to form a closed chamber; a first oil guide plate and a second oil guide plate which are respectively provided with a first opening and a second opening and are opposite to each other are arranged on the first shell; a third oil guide plate and a fourth oil guide plate which are correspondingly abutted with the first oil guide plate and the second oil guide plate respectively are arranged on the second shell; the first shell is provided with a vent hole, and gas in the sealed cavity is discharged to the outside through the first opening, the second opening and the vent hole in sequence.

Further, when the speed reducer is in a working state, the first oil guide plate and the second oil guide plate are obliquely and downwards arranged along the gravity direction.

Further, the projections of the first opening and the second opening in the horizontal direction are away from each other and are staggered.

Furthermore, the first oil guide plate and the third oil guide plate, the second oil guide plate and the fourth oil guide plate which are correspondingly abutted with each other divide the closed cavity into a first separation cavity and a second separation cavity, and the first separation cavity is positioned at the upstream of the second separation cavity in the moving direction of discharging gas to the outside through the vent holes.

Furthermore, a protruding block facing the first opening is arranged on the first shell.

Further, the volume of the first compartment is greater than the volume of the second compartment.

Further, first casing is equipped with relative first cambered surface and second cambered surface, and first oil deflector and the second oil deflector of leading are located between first cambered surface and the second cambered surface.

Further, the first opening and the second opening are respectively arranged adjacent to the first cambered surface and the second cambered surface.

Further, the central axis of the vent hole and an orthogonal line of a point where the central axis intersects the first cambered surface are arranged at an acute angle.

In order to realize the utility model discloses another purpose, the utility model discloses still provide a vehicle, it includes the arbitrary reduction gear of leading the oiled-plate in area above.

The utility model has the advantages that: the reduction gear of oil board has been led in the area has set up and has had first opening and second open-ended first oil board and second respectively and lead the oil board and two and lead the oil board respectively with the third and lead the corresponding butt of oil board and fourth, can realize blockking and the condensation to the oily medium of gear oil for example and mixed oil gas in the reduction gear with the help of the setting of each oil board of leading, thereby prevent that oily medium from discharging along with the air from the air vent together, consequently, only the air can be discharged, and the oily medium can't be discharged, guaranteed that the reduction gear has good air permeability and reliable oiliness, avoided the air vent effectively to take place the emergence of the unfavorable condition of oil leak.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and for those skilled in the art, without creative efforts, other drawings can be obtained according to these drawings, and these drawings are all within the protection scope of the present invention.

FIG. 1 is a schematic view showing a partially assembled state of a speed reducer with an oil deflector according to the present invention;

FIG. 2 is a front view of a first housing of the speed reducer with an oil deflector according to the present invention;

FIG. 3 is a schematic view illustrating the movement of gas in the first casing of the speed reducer with oil guide plate according to the present invention;

FIG. 4 is a front view of a second housing of the speed reducer with oil deflector according to the present invention;

FIG. 5 is a schematic diagram of the first casing of the speed reducer with oil guiding plate according to the present invention blocking and condensing the oil-containing medium;

description of reference numerals:

10. a first housing; 11. a first oil guide plate; 11A, a first opening; 12. a second oil guide plate; 12A, a second opening; 13. a vent hole; 14. a bump; 15. a first arc surface; 16. a second arc surface; 20. a second housing; 21. a third oil guide plate; 22. a fourth oil guide plate; 30. a first compartment; 40. a second compartment.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. In the description of the present invention, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a mechanism or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such mechanism or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a mechanism or device comprising the element. In case of conflict, various features of the embodiments and examples of the present invention may be combined with each other and are within the scope of the present invention.

Referring to fig. 1 to 5, as an object of the present invention, there is provided a speed reducer with oil guide plates, which includes a first casing 10 and a second casing 20, the first casing 10 and the second casing 20 can be connected to each other by welding, screwing, etc. to assemble a unitary speed reducer casing having a closed cavity, and a first oil guide plate 11 and a second oil guide plate 12, which are opposite to each other and respectively opened with a first opening 11A and a second opening 12A, are provided on the first casing 10, and the speed reducer further includes a third oil guide plate 21 and a fourth oil guide plate 22, which are opposite to the first oil guide plate 11 and the second oil guide plate 12, respectively, provided on the second casing 20, that is, other portions except for the first opening 11A and the second opening 12A are hermetically connected between the first oil guide plate 11 and the third oil guide plate 21 and between the second oil guide plate 12 and the third oil guide plate 21, the first casing 10 is further provided with the vent hole 13, and although the vent hole 13 is generally provided with a vent plug, oil leakage may be caused when an oil-containing medium such as gear oil, which is lubricating oil driven by the rotation of the gears in the reduction gear, and mixed oil, which is formed by mixing a small amount of lubricating oil with air when the reduction gear is operated at a high speed, flows into the vent plug, it is understood that, by using the reduction gear with the oil guide plate of the present invention, the oil-containing medium is mostly blocked by the first oil guide plate 11 and the third oil guide plate 21 abutting against each other to fall back toward the bottom of the closed chamber, and it is understood that the bottom of the closed chamber described herein is a portion of the closed chamber other than the space enclosed by the respective baffles, that is, the first compartment and the second compartment described below, and the same will be understood in the following description, and even if a small amount of the oil-containing medium moves from the first opening 11A to the second oil guide plate 12 and the fourth oil guide plate 22, and the oil mixture in the oil-containing medium is condensed for a sufficient time to fall back to the bottom of the sealed cavity under the guidance of the self gravity and each oil guide plate in the process of moving from the first opening 11A to the second oil guide plate 12 and the fourth oil guide plate 22 and from the second opening 12A to the vent hole 13, so that, as shown by the arrow a in fig. 3, only the gas in the sealed cavity can be discharged to the outside through the first opening 11A, the second opening 12A and the vent hole 13 in sequence, and the oil-containing medium cannot be discharged from the vent hole 13, thereby ensuring that the reducer has good ventilation and reliable oil tightness, and effectively avoiding the occurrence of the unfavorable condition of oil leakage at the vent hole 13.

With particular reference to fig. 2, further to that, fig. 2 shows the first casing 10 in correspondence with the operating condition of the retarder, in which the first oil deflector 11 and the second oil deflector 12 are arranged obliquely downwards in the direction of gravity, it being understood that correspondingly the third oil deflector 21 and the fourth oil deflector 22 are also arranged obliquely downwards in the direction of gravity, and in addition, preferably, each oil deflector is a straight one, so that each oil deflector is able to perfectly block and guide the oil-containing medium from falling back towards the bottom of the closed chamber in the direction of gravity.

As a further improvement, the projections of the first opening 11A and the second opening 12A in the horizontal direction are far away from each other and are staggered, so that the distance between the first opening 11A and the second opening 12A is increased, thereby prolonging the time for the oil-containing medium to move from the first opening 11A to the second opening 12A, and increasing the area of the oil guide plates for blocking the oil-containing medium while prolonging the time for the oil-containing medium to condense.

With particular reference to fig. 3, further, the first oil guide plate 11 and the third oil guide plate 21, and the second oil guide plate 12 and the fourth oil guide plate 22, which are correspondingly abutted against each other, divide the closed chamber into a first compartment 30 and a second compartment 40, the first compartment 30 is located upstream of the second compartment 40 in the moving direction of the gas discharged to the outside through the vent hole 13, and the first compartment 30 and the second compartment 40 together form a labyrinth structure which allows the air to pass through and prevents the oil-containing medium from passing through, so that the first compartment 30 and the second compartment 40 extend the distance of the oil-containing medium moving against the self-gravity and ensure a sufficient accommodating space to allow the oil-containing medium to obtain a sufficient condensation time, and greatly prevent the oil-containing medium from moving to the vent hole 13.

With reference to fig. 2 in a further development, the first casing 10 is provided with a projection 14 towards the first opening 11A, and by providing the projection 14, an hindering force towards the first opening 11A may be exerted on the oily medium entering the first compartment 30 through the first opening 11A, thereby helping to reduce the oily medium entering the first compartment 30.

Referring with emphasis to fig. 3, as a further modification, the volume of the first compartment 30 is larger than the volume of the second compartment 40, since the volume of the oily medium entering the first compartment 30 is larger than the volume of the oily medium entering the second compartment 40, and therefore, setting the volume of the first compartment 30 to be larger than the volume of the second compartment 40 can provide a larger volume space for the oily medium entering the first compartment 30, which helps to prolong the condensation time and movement distance of the oily medium.

With particular reference to fig. 2 and 4, as a further improvement, the first casing 10 is provided with a first cambered surface 15 and a second cambered surface 16 which are opposite to each other, the first oil guide plate 11 and the second oil guide plate 12 are located between the first cambered surface 15 and the second cambered surface 16, and in addition, the second casing 20 is also provided with a pair of cambered surfaces which are symmetrical to the first cambered surface 15 and the second cambered surface 16, so that each cambered surface can be beneficial for guiding the oil-containing medium to fall back.

With particular reference to fig. 2, as a further improvement, the first opening 11A and the second opening 12A are arranged adjacent to the first arc surface 15 and the second arc surface 16, respectively, such that the first arc surface 15 and the second arc surface 16 can smoothly and quickly guide the oily medium in the first compartment 30 and the second compartment 40 to fall back towards the first opening 11A and the second opening 12A, respectively.

As a further improvement, the central axis of the vent hole and the orthogonal line of the intersection point of the central axis and the first arc surface 15 are arranged at an acute angle, and the difficulty of the oil-containing medium moving to the vent hole 13 against the self-gravity is further increased due to the acute angle between the central axis and the orthogonal line.

With reference to the above description and with reference to fig. 5, the following provides further details of the way in which the reducer with oil guide plate of the present invention acts on gear oil and oil mixture:

for gear oil: the gear oil is carried by the gear of the speed reducer, and before entering the first compartment 30, it is substantially blocked by the first oil guide plate 11 and the third oil guide plate 21, and falls back to the bottom of the closed cavity (as indicated by arrow B in fig. 5), only a small amount of gear oil will be carried into the first compartment 30 by air, and after entering the first compartment 30, it slowly falls back under the action of gravity or the action of the second oil guide plate 12 and the fourth oil guide plate 22 (as indicated by arrow C in fig. 5), and even if a small amount of gear oil continues to enter the second compartment 40 from the first compartment 30, it will fall back into the first compartment 30 in the second compartment 40 (as indicated by arrow D in fig. 5), it should be understood that the extending direction of each oil guide plate is arranged toward the falling direction, so as to avoid oil accumulation in the first compartment 30 and the second compartment 40.

For mixed oil gas: when the speed reducer runs at a high speed, the mixed oil gas floats upwards and enters the first separation chamber 30 along with air, at this time, the mixed oil gas can be rapidly condensed and fall back in the first separation chamber 30 (as shown by an arrow C in fig. 5), even if a small part of the mixed oil gas continues to enter the second separation chamber 40 from the first separation chamber 30, the mixed oil gas can be condensed and fall back to the first separation chamber 30 in the second separation chamber 40 (as shown by an arrow D in fig. 5), and then falls back to the bottom of the closed chamber along the first oil guide plate 11 and the third oil guide plate 21.

As another object of the utility model is to provide a vehicle, be equipped with above arbitrary reduction gear of leading the oiled-plate in the vehicle, the vehicle can be traditional car, new energy automobile or motor agricultural vehicle etc. consequently, the vehicle can obtain the arbitrary beneficial effect that the reduction gear described above had, no longer gives unnecessary details here.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and any modifications, equivalents, improvements and the like that do not depart from the spirit and principle of the present invention should be construed as being included in the scope of the present invention.

Claims

1. Reduction gear of oiled-plate is led in area, its characterized in that includes:

a first housing and a second housing connected to each other to form a closed chamber;

a first oil guide plate and a second oil guide plate which are provided with a first opening and a second opening respectively and are opposite to each other are arranged on the first shell;

a third oil guide plate and a fourth oil guide plate which are correspondingly abutted with the first oil guide plate and the second oil guide plate respectively are arranged on the second shell;

be equipped with the air vent on the first casing, the gas in the airtight chamber passes through in proper order first opening the second opening with the air vent discharges to the external world.

2. A decelerator according to claim 1, wherein:

and when the speed reducer is in a working state, the first oil guide plate and the second oil guide plate are obliquely and downwards arranged along the gravity direction.

3. A decelerator according to claim 2, wherein:

the projections of the first opening and the second opening in the horizontal direction are far away from each other and staggered.

4. A decelerator according to claim 1, wherein:

the first oil guide plate and the third oil guide plate which are correspondingly abutted to each other and the second oil guide plate and the fourth oil guide plate divide the closed cavity into a first partition cavity and a second partition cavity, and the first partition cavity is located at the upstream of the second partition cavity in the moving direction that the gas is discharged to the outside through the vent holes.

5. A decelerator according to claim 4, wherein:

the first shell is provided with a lug which faces the first opening.

6. A decelerator according to claim 4, wherein:

the first compartment has a volume greater than the volume of the second compartment.

7. A decelerator according to claim 4, wherein:

the first casing is provided with a first cambered surface and a second cambered surface which are opposite to each other, and the first oil guide plate and the second oil guide plate are located between the first cambered surface and the second cambered surface.

8. A decelerator according to claim 7, wherein:

the first opening and the second opening are respectively arranged adjacent to the first cambered surface and the second cambered surface.

9. A decelerator according to claim 7, wherein:

the central axis of the vent hole and the orthogonal line of the intersection point of the central axis and the first cambered surface form an acute angle.

10. Vehicle, characterized in that it comprises a retarder with oil deflector according to any of claims 1 to 9.