CN218000357U - Lubricating structure of speed reducer, speed reducer and vehicle - Google Patents
Lubricating structure of speed reducer, speed reducer and vehicle Download PDFInfo
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- CN218000357U CN218000357U CN202222024921.4U CN202222024921U CN218000357U CN 218000357 U CN218000357 U CN 218000357U CN 202222024921 U CN202222024921 U CN 202222024921U CN 218000357 U CN218000357 U CN 218000357U
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Abstract
The utility model discloses a lubricating structure, reduction gear and vehicle of reduction gear. The lubricating structure of the speed reducer comprises a speed reducer shell, wherein the speed reducer shell is provided with an installation cavity, and the installation cavity is used for installing a part to be lubricated; the speed reducer shell is provided with a lubricating oil channel, the lubricating oil channel and the mounting cavity are arranged at intervals, and the lubricating oil channel is used for lubricating oil to pass through; the reducer casing still is equipped with the lubricating oil export, and the lubricating oil passageway passes through the lubricating oil export intercommunication with the installation cavity, and the lubricating oil export corresponds treats lubricated part setting. The utility model discloses set up the lubricating oil passageway on retarder casing, utilize the structure of reduction gear self, need not to set up lubricating-oil pipe in addition, reduce the space and occupy, realize purpose such as small, simple high efficiency of assembly, with low costs.
Description
Technical Field
The utility model relates to a cold technical field of oil of reduction gear, in particular to lubricating structure, reduction gear and vehicle of reduction gear.
Background
At present, in an oil-cold-electric drive system of a new energy automobile, under the influence of the whole automobile going up and down a slope, a side slope and turning, the flow direction of lubricating oil in a speed reducer is extremely complex, and under some limit working conditions, in order to ensure that the lubrication of a gear and a bearing in the speed reducer is good, an active lubrication structure is mostly added at the positions of the gear and the bearing and the like; meanwhile, in the oil-cold-electric driving system, due to the adoption of an oil pump, an oil cooler and a filtering system, an oil pipe structure is required to be adopted to provide an oil circuit, and a common scheme is to increase an active lubricating oil pipe or an oil guide plate structure. The scheme can occupy the internal space of the speed reducer; meanwhile, matching structures such as oil pipes, bolts, O-shaped sealing rings and the like are required to be added; meanwhile, the lubricating oil pipe is limited by the process due to the complex structure, which leads to the increase of the cost.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main objective provides a lubricating structure, reduction gear and vehicle of reduction gear, aims at simplifying structure, reduce cost.
In order to achieve the purpose, the lubricating structure of the speed reducer comprises a speed reducer shell, wherein the speed reducer shell is provided with an installation cavity, and the installation cavity is used for installing a part to be lubricated; the speed reducer shell is provided with a lubricating oil channel, the lubricating oil channel and the installation cavity are arranged at intervals, and the lubricating oil channel is used for lubricating oil to pass through;
the reducer casing still is equipped with the lubricating oil export, the lubricating oil passageway with the installation cavity passes through the lubricating oil export intercommunication, the lubricating oil export corresponds treat lubricated part setting.
In an embodiment of the present invention, the parts to be lubricated are gears and bearings;
the lubricant outlet includes:
the lubricating oil channel is communicated with the mounting cavity through the first outlet, and the first outlet is arranged corresponding to the gear; and
and the lubricating oil channel is communicated with the mounting cavity through the second outlet, and the second outlet is arranged corresponding to the bearing.
In an embodiment of the present invention, the speed reducer casing is further provided with an oil return port and an oil collection chamber, the oil collection chamber is spaced from the installation chamber, and the oil collection chamber is communicated with the installation chamber through the oil return port;
the lubricating oil channel comprises a first oil channel and a second oil channel which are arranged on the speed reducer shell, and the first oil channel and the second oil channel are arranged at intervals; the first outlet and the second outlet are respectively communicated with an oil outlet of the second oil duct;
the lubricating structure of the speed reducer further comprises an oil cooler, the oil cooler is arranged on the speed reducer shell, an oil inlet of the oil cooler is communicated with an oil outlet of the first oil duct, and an oil outlet of the oil cooler is communicated with an oil inlet of the second oil duct; and the lubricating oil output from the oil collecting cavity enters the first oil duct from the oil inlet of the first oil duct, is cooled by the oil cooler and then is output to the second oil duct.
In an embodiment of the present invention, the oil outlet and the oil collecting chamber are located at a lower side of the reducer case.
In an embodiment of the utility model, the lubricating structure of reduction gear still includes the oil pump, the oil pump is located the lateral wall of casing, just the oil inlet of oil pump with the oil-out intercommunication of oil collecting cavity, the oil-out of oil pump with the oil inlet intercommunication of first oil duct.
In an embodiment of the present invention, the lubricating structure of the speed reducer further includes a filter, and the filter is disposed in the housing;
the first oil duct comprises a first oil section and a second oil section which are arranged at intervals, an oil inlet of the first oil section is connected with an oil outlet of the oil pump, an oil outlet of the first oil section is communicated with an oil inlet of the filter, an oil outlet of the filter is communicated with an oil inlet of the second oil section, and an oil outlet of the second oil section is communicated with an oil inlet of the oil cooler.
In an embodiment of the present invention, the casing of the speed reducer is provided with a plurality of through holes, and the through holes are communicated with the lubricating oil channel; the through holes are punched in the shell to form a plurality of hole channels, and the hole channels are communicated to form the lubricating oil channel;
and a sealing plug is arranged at the through hole.
In an embodiment of the present invention, the sealing plug is a bowl-shaped plug.
The utility model also provides a speed reducer, the speed reducer includes as above the lubricating structure of speed reducer.
The utility model discloses still provide a vehicle, the vehicle includes as above the reduction gear.
The utility model discloses lubricating oil in the lubricating oil passageway exports to treating lubricated part from the lubricating oil outlet among the technical scheme to treat lubricated part and lubricate. The utility model discloses set up the lubricating oil passageway on retarder casing, utilize the structure of reduction gear self, need not to set up lubricating oil pipe in addition, reduce the space and occupy, realize purpose such as small, simple high efficiency of assembly, with low costs.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a sectional view of an embodiment of a lubricating structure of a speed reducer according to the present invention;
fig. 2 is a cross-sectional view of another angle of the lubricating structure of the reducer according to the present invention;
fig. 3 is a schematic diagram of the middle circulation oil circuit of the present invention.
The reference numbers indicate:
| reference numerals | Name (R) | Reference numerals | Name(s) |
| 1 | Speed reducer shell | 1a | |
| 1b | |
1c | |
| 2 | |
3 | |
| 4 | |
5 | |
| 6 | |
7 | |
| 100 | Lubricating |
101 | |
| 102 | |
110 | |
| 111 | |
112 | |
| 120 | |
130 | |
| 140 | Fourth oil stage |
The utility model discloses an implementation, functional characteristics and advantage will combine the embodiment, do further explanation with reference to the attached drawing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, back, 8230; \8230;) are provided in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the expression "and/or" as used throughout is meant to encompass three juxtaposed aspects, exemplified by "A and/or B", including either the A aspect, or the B aspect, or aspects in which both A and B are satisfied. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a lubricating structure of reduction gear for gear 2 and the 3 input lubricating oil of bearing in to the reduction gear are in order lubricated.
In the embodiment of the present invention, as shown in fig. 1 to 3, the lubricating structure of the speed reducer includes a speed reducer housing 1, where the speed reducer housing 1 has a mounting cavity 1a, and the mounting cavity 1a is used for mounting a component to be lubricated; the speed reducer shell 1 is provided with a lubricating oil channel 100, the lubricating oil channel 100 and the installation cavity 1a are arranged at intervals, and the lubricating oil channel 100 is used for lubricating oil to pass through;
the speed reducer shell 1 is further provided with a lubricating oil outlet, the lubricating oil channel 100 is communicated with the installation cavity 1a through the lubricating oil outlet, and the lubricating oil outlet corresponds to the part to be lubricated.
It is understood that the lubricating oil in the lubricating oil passage is output from the lubricating oil outlet to the parts to be lubricated for lubricating the parts to be lubricated. The utility model discloses set up lubricating oil passageway 100 on retarder casing 1, utilize the structure of reduction gear self, need not to set up lubricating-oil pipe in addition, reduce the space and occupy, realize purpose such as small, the simple high efficiency of assembly, with low costs.
In an embodiment of the present invention, as shown in fig. 3, the parts to be lubricated are a gear 2 and a bearing 3;
the lubricant outlet includes:
a first outlet 101, through which the lubricating oil channel 100 communicates with the mounting cavity 1a, the first outlet 101 being disposed corresponding to the gear 2; and
and a second outlet 102, through which the lubricating oil passage 100 communicates with the mounting cavity 1a, wherein the second outlet 102 is disposed corresponding to the bearing 3.
It can be understood that the first outlet 101 is disposed corresponding to the gear 2, and the lubricant in the lubricant passage 100 can be ejected from the first outlet 101 to the gear 2, so as to lubricate the gear 2.
The second outlet 102 is disposed corresponding to the bearing 3, and the lubricant in the lubricant passage 100 can be ejected from the second outlet 102 to the bearing 3, so as to lubricate the bearing 3.
In an embodiment of the present invention, as shown in fig. 1, a plurality of through holes are formed in a casing of the speed reducer, and the through holes are communicated with the lubricating oil channel; a plurality of pore channels are formed by punching holes in the shell at the through holes respectively, and are communicated to form the lubricating oil channel 100;
and a sealing plug 7 is arranged at the through hole.
It can be understood that, according to the designed path of the lubricant passage 100, a plurality of holes can be directly punched on the housing, and the holes are sealed by the sealing plug 7, so as to ensure the sealing performance of the lubricant passage 100, so that the lubricant in the lubricant passage 100 cannot leak out from the holes. The lubricating oil channel 100 is formed by directly punching a hole on the shell, so that the operation is convenient, and the position of the through hole can be designed according to different designed lubricating oil channels 100.
In an embodiment of the present invention, as shown in fig. 1, the sealing plug 7 is a bowl-shaped plug.
It can be understood that the bowl-shaped plug is arranged at the through hole to play a role in sealing, and the sealing effect of the bowl-shaped plug is better and stable.
Specifically, the sealing plug 7 includes a large head end and a small head end, the diameter of the large head end is larger than that of the small head end, the large head end is arranged close to the outside of the housing, and the small head end is arranged toward the lubricating oil passage 100.
In an embodiment of the present invention, as shown in fig. 3, the speed reducer housing 1 is further provided with an oil return port 1b and an oil collection chamber 1c, the oil collection chamber 1c is spaced from the installation chamber 1a, and the oil collection chamber 1c is communicated with the installation chamber 1a through the oil return port 1 b;
the lubricating oil channel 100 comprises a first oil channel 110 and a second oil channel 120 which are arranged on the speed reducer shell 1, and the first oil channel 110 and the second oil channel 120 are arranged at intervals; the first outlet 101 and the second outlet 102 are respectively communicated with oil outlets of the second oil passage 120;
the lubricating structure of the speed reducer further comprises an oil cooler 6, the oil cooler 6 is arranged on the speed reducer shell 1, an oil inlet of the oil cooler 6 is communicated with an oil outlet of the first oil duct 110, and an oil outlet of the oil cooler 6 is communicated with an oil inlet of the second oil duct 120; the lubricating oil output from the oil collecting cavity 1c enters the first oil passage 110 from the oil inlet of the first oil passage 110, is cooled by the oil cooler 6, and is output to the second oil passage 120.
It can be understood that the lubricating oil injected into the installation cavity 1a from the first outlet 101 and the second outlet 102 flows out of the installation cavity 1a from the oil return port 1b after the lubrication is completed, and flows into the oil collecting cavity 1c, and the lubricating oil in the oil collecting cavity 1c can be continuously injected from the first outlet 101 and the second outlet 102 to lubricate the gear 2 and the bearing 3 after being cooled by the oil cooler 6, and it can be known that the purpose of recycling the lubricating oil is achieved through the design of the oil return port 1b and the oil collecting cavity 1 c. In the process of lubricating the gear 2 and the bearing 3, lubricating oil can cool the bearing 3 and the gear 2, the lubricating oil after absorbing heat enters the oil collecting cavity 1c and is cooled by the oil cooler 6, the cooled lubricating oil can also cool while lubricating again, and the circulated lubricating oil can continuously cool the gear 2 and the bearing 3.
In an embodiment of the present invention, the oil outlet and the oil collecting chamber 1c are both located at the lower side of the reducer case 1.
It will be appreciated that the oil outlet and oil collection chamber 1c is provided on the lower side of the reducer case 1, and that the lubricating oil can be collected by gravity and the deposition of the lubricating oil in the mounting chamber 1a can be avoided.
In an embodiment of the present invention, as shown in fig. 1 and fig. 3, the lubricating structure of the speed reducer further includes an oil pump 4, the oil pump 4 is disposed on the outer side wall of the housing, an oil inlet of the oil pump 4 is communicated with an oil outlet of the oil collecting cavity 1c, and an oil outlet of the oil pump 4 is communicated with an oil inlet of the first oil passage 110.
It is understood that the lubricating oil in the oil collection chamber 1c is pumped into the first oil passage 110 by the power of the oil pump 4. The oil pump 4 can ensure the normal operation of the circulating oil path.
In an embodiment of the present invention, as shown in fig. 1 and 3, the lubricating structure of the speed reducer further includes a filter 5, and the filter 5 is disposed in the housing;
the first oil duct 110 comprises a first oil section 111 and a second oil section 112 which are arranged at intervals, an oil inlet of the first oil section 111 is connected with an oil outlet of the oil pump 4, an oil outlet of the first oil section 111 is communicated with an oil inlet of the filter 5, an oil outlet of the filter 5 is communicated with an oil inlet of the second oil section 112, and an oil outlet of the second oil section 112 is communicated with an oil inlet of the oil cooler 6.
It is understood that the first oil section 111 and the second oil section 112 open out in the gear housing 1. Can play the filtering action to lubricating oil through filter 5, can filter harmful impurity in the lubricating oil to gear 2 and bearing 3 are supplied with to clean lubricating oil, thereby the life-span of extension gear 2 and bearing 3.
In this embodiment, the filter 5 is a filter-press filter 5.
In an embodiment of the present invention, as shown in fig. 3, the gear 2 is disposed on a side of the bearing 3 away from the lubricant passage 100; the number of the second outlets 102 is multiple; defining a direction pointing from the lubrication oil passage 100 to the gear 2 as a first direction;
each of the second outlets 102 is communicated with the second oil passage 120 through a third oil section 130;
the first outlet 101 communicates with the second oil channel 120 via a fourth oil section 140, a portion of the fourth oil section 140 facing away from the second oil channel 120 extends in the first direction; the first outlet 101 and the second outlet 102 are located on both sides of the bearing 3, respectively.
It will be appreciated that the reduction gear ring gear 2 is normally located on the side of the bearing 3 facing away from the oil passage 100, and the portion of the fourth oil section 140 facing away from the second oil passage 120 extends in the first direction, which ensures that the oil ejected from the first outlet 101 is accurately ejected to the gear 2. In this embodiment, the part of the fourth oil section 140 facing away from the second oil passage 120 is opened at a position of the housing above the bearing 3.
The utility model discloses still provide a reduction gear, this reduction gear includes the lubricating structure of reduction gear, and the concrete structure of the lubricating structure of this reduction gear refers to above-mentioned embodiment, because this reduction gear has adopted all technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, gives unnecessary detail here one by one.
The utility model discloses still provide a vehicle, this vehicle includes the reduction gear, and this reduction gear refers to above-mentioned embodiment, because this vehicle has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.
The above is only the optional embodiment of the present invention, and not therefore the scope of the present invention is limited, all under the inventive concept, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (10)
1. The lubricating structure of the speed reducer is characterized by comprising a speed reducer shell (1), wherein the speed reducer shell (1) is provided with a mounting cavity (1 a), and the mounting cavity (1 a) is used for mounting a component to be lubricated; the speed reducer shell (1) is provided with a lubricating oil channel (100), the lubricating oil channel (100) and the mounting cavity (1 a) are arranged at intervals, and the lubricating oil channel (100) is used for lubricating oil to pass through;
the speed reducer shell (1) is further provided with a lubricating oil outlet, the lubricating oil channel (100) is communicated with the mounting cavity (1 a) through the lubricating oil outlet, and the lubricating oil outlet corresponds to the part to be lubricated.
2. The lubrication structure of a speed reducer according to claim 1, wherein the parts to be lubricated are a gear (2) and a bearing (3);
the lubricant outlet includes:
a first outlet (101), wherein the lubricating oil channel (100) is communicated with the mounting cavity (1 a) through the first outlet (101), and the first outlet (101) is arranged corresponding to the gear (2); and
a second outlet (102), wherein the lubricating oil channel (100) is communicated with the mounting cavity (1 a) through the second outlet (102), and the second outlet (102) is arranged corresponding to the bearing (3).
3. The lubrication structure of a speed reducer according to claim 2, wherein the speed reducer housing (1) is further provided with an oil return port (1 b) and an oil collection chamber (1 c), the oil collection chamber (1 c) is arranged at a distance from the mounting chamber (1 a), and the oil collection chamber (1 c) is communicated with the mounting chamber (1 a) through the oil return port (1 b);
the lubricating oil channel (100) comprises a first oil channel (110) and a second oil channel (120) which are arranged on the speed reducer shell (1), and the first oil channel (110) and the second oil channel (120) are arranged at intervals; the first outlet (101) and the second outlet (102) are respectively communicated with an oil outlet of the second oil channel (120);
the lubricating structure of the speed reducer further comprises an oil cooler (6), the oil cooler (6) is arranged on the speed reducer shell (1), an oil inlet of the oil cooler (6) is communicated with an oil outlet of the first oil duct (110), and an oil outlet of the oil cooler (6) is communicated with an oil inlet of the second oil duct (120); and the lubricating oil output from the oil collecting cavity (1 c) enters the first oil duct (110) from an oil inlet of the first oil duct (110), is cooled by the oil cooler (6), and is output to the second oil duct (120).
4. Lubrication structure of a decelerator according to claim 3, wherein the oil outlet and the oil collecting chamber (1 c) are both located at the lower side of the decelerator housing (1).
5. The lubrication structure of the speed reducer according to claim 3, further comprising an oil pump (4), wherein the oil pump (4) is disposed on an outer side wall of the housing, an oil inlet of the oil pump (4) is communicated with an oil outlet of the oil collection chamber (1 c), and an oil outlet of the oil pump (4) is communicated with an oil inlet of the first oil passage (110).
6. The lubrication structure of a speed reducer according to claim 5, further comprising a filter (5), the filter (5) being provided to the case;
the first oil duct (110) comprises a first oil section (111) and a second oil section (112) which are arranged at intervals, an oil inlet of the first oil section (111) is connected with an oil outlet of the oil pump (4), an oil outlet of the first oil section (111) is communicated with an oil inlet of the filter (5), an oil outlet of the filter (5) is communicated with an oil inlet of the second oil section (112), and an oil outlet of the second oil section (112) is communicated with an oil inlet of the oil cooler (6).
7. The lubrication structure of a speed reducer according to any one of claims 1 to 6, wherein a case of the speed reducer is provided with a plurality of through holes that communicate with the lubricating oil passage; wherein, a plurality of pore channels are formed by punching the shell at the through holes respectively, and the pore channels are communicated to form the lubricating oil channel (100);
a sealing plug (7) is arranged at the through hole.
8. The lubrication structure of a speed reducer according to claim 7, wherein the sealing plug (7) is a bowl-shaped plug.
9. A reduction gear, characterized in that it comprises a lubrication structure of a reduction gear according to any one of claims 1 to 8.
10. A vehicle, characterized in that it comprises a retarder according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222024921.4U CN218000357U (en) | 2022-08-02 | 2022-08-02 | Lubricating structure of speed reducer, speed reducer and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222024921.4U CN218000357U (en) | 2022-08-02 | 2022-08-02 | Lubricating structure of speed reducer, speed reducer and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218000357U true CN218000357U (en) | 2022-12-09 |
Family
ID=84317993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222024921.4U Active CN218000357U (en) | 2022-08-02 | 2022-08-02 | Lubricating structure of speed reducer, speed reducer and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218000357U (en) |
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2022
- 2022-08-02 CN CN202222024921.4U patent/CN218000357U/en active Active
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