CN219866198U - Speed reducer lubricating structure, oil-cooled speed reducer and automobile - Google Patents

Abstract

The utility model provides a speed reducer lubrication structure, an oil-cooled speed reducer and an automobile, wherein the speed reducer lubrication structure is used for lubricating an input bearing and an output bearing in the speed reducer and comprises the following components: an oil injection port is arranged on the sealed oil duct, an oil injection area is formed at the oil injection port, and part of oil in the oil injection area can be injected to an oil duct inlet of the input bearing; the input end of the oil guiding groove extends into the oil injection area, the input end of the oil guiding groove is connected with the input bearing, and the output end of the oil guiding groove is communicated with an oil duct inlet of the output bearing; enclose and keep off the structure setting in the oil spout region, enclose and keep off the structure and be used for establishing on input bearing, enclose and keep off the structure and lead the oil groove and be connected, enclose and keep off the structure and enclose another part of oil in the oil spout region and keep off in leading the oil groove to carry another part of oil to the oil duct entry of output bearing through leading the oil groove. According to the utility model, part of the oil sprayed by the oil guide device lubricates the input bearing, and the oil guide groove and the surrounding baffle structure convey the other part of the oil to the output bearing to lubricate the output bearing, so that the service life of the bearing is prolonged.

Description

Reducer lubrication structure, oil-cooled reducer and automobile

Technical field

This application relates to the technical field of reducer lubrication, and in particular to a reducer lubrication structure, an oil-cooled reducer and an automobile.

Background technique

The reducer plays the role of matching speed and transmitting torque between the prime mover and the working machine or actuator, and is widely used in modern machinery. During the working process of the reducer, the internal bearings need to be lubricated to extend its service life.

The existing reducer uses splash lubrication, that is, the large gear at the output end rotates and stirs the lubricating oil, so that the lubricating oil flows to the gears and bearings to achieve lubrication.

However, during the process of realizing the present invention, the inventor found that when the rotation speed of the large gear at the output end is low, the oil churning intensity becomes smaller, resulting in insufficient lubrication and reducing the service life of the bearing.

Utility model content

The purpose of the embodiments of the present application is to provide a reducer lubrication structure, an oil-cooled reducer and an automobile to solve the technical problem of insufficient lubrication that occurs during splash lubrication, resulting in reduced bearing life.

In order to solve the above technical problems, the embodiments of this application provide the following technical solutions:

The first aspect of this application provides a reducer lubrication structure for lubrication of input bearings and output bearings in the reducer, including:

Sealing oil passage, the sealing oil passage is opposite to the oil passage inlet of the input bearing, the sealing oil passage is provided with an oil injection port, the oil injection port forms an oil injection area, and a part of the oil injection area Oil can be injected into the oil passage inlet of the input bearing;

A pump, the output end of the pump is connected to the sealed oil passage, and the input end of the pump is used to communicate with the oil storage device;

Oil guide groove, the input end of the oil guide groove extends into the oil injection area, the input end of the oil guide groove is used to connect with the input bearing, and the output end of the oil guide groove is used to connect with the output bearing The entrance to the oil passage is connected;

An enclosure structure, the enclosure structure is arranged in the fuel injection area, the enclosure structure is used to be arranged on the input bearing, the enclosure structure is connected to the oil guide groove, part of the enclosure structure Fitted with the sealed oil passage, the containment structure can contain another part of the oil in the oil injection area in the oil guide groove, and transport the other part of the oil to the oil guide groove through the oil guide groove. Describe the oil passage inlet of the output bearing.

In some embodiments, the oil guide groove includes a strip-shaped support plate and two partitions;

The length direction of the support plate and the two partition plates are consistent. The two partition plates are spaced apart and opposite to each other along the width direction of the support plate. The support plate is connected to the two partition plates to form a cross-section. It is a zi-shaped structure;

The first end of the support plate is used to connect with the input bearing. The first ends of the support plate and the two partition plates both extend into the oil injection area. The support plate and the two partition plates The second ends of each partition plate extend into the oil passage inlet of the output bearing, and the enclosure structure is connected to the two partition plates.

In some embodiments, the enclosure structure further includes a first plate;

The first plate is arranged in the oil injection area, and the first plate is arranged between the oil passage inlet of the input bearing and the oil guide groove; the width direction of the first plate and the support plate Vertically, the first plate is sealingly connected to one of the partitions. The first plate can fit with part of the outer wall of the sealed oil passage and part of the outer wall of the input bearing. The first plate is connected to the outer wall of the input bearing. The fuel injection port has a preset distance.

In some embodiments, the enclosure structure further includes a second plate;

The second plate is parallel to the support plate, and is connected to the first ends of the two partitions. The second plate, the support plate and the two partitions form a cross-section of Oral-shaped structure.

In some embodiments, the enclosure structure further includes a third plate;

The third plate is disposed in the oil injection area, the third plate is disposed between the input bearing oil passage inlet and the oil guide groove, the third plate is perpendicular to the length direction of the support plate ; The first side of the third plate is directly opposite the fuel injection port, the second side of the third plate is used to fit with part of the input bearing, and the third plate and the third A plate is connected, and the first plate can divide the fuel injection area into a first sub-injection area and a second sub-injection area with equal fuel injection amounts;

Wherein, the input end of the oil guide groove extends into the first sub-oil injection area, and the oil in the second sub-oil injection area can be injected to the oil passage inlet of the input bearing.

In some embodiments, the enclosure structure further includes a curved plate;

Part of the arc-shaped plate is sleeved on part of the side wall of the sealed oil passage. The first side of the arc-shaped plate is used to fit part of the outer wall of the input bearing. The third side of the arc-shaped plate is used to fit part of the outer wall of the input bearing. The oil passage inlet of the input bearing is provided between one side and the third plate, and the oil injection port is provided on the side wall of the sealed oil passage.

In some embodiments, the enclosure structure further includes a fourth plate;

The fourth plate is arranged in the fuel injection area, and the fourth plate and the first plate are spaced apart and facing each other along the width direction of the support plate; the fourth plate can be respectively connected with part of the seal The outer wall of the oil passage is in contact with part of the outer wall of the input bearing, and the fourth plate has the preset distance from the oil injection port.

In some embodiments, the enclosure structure further includes connecting plates;

The connecting plates are respectively connected to the first surface of one of the partition plates, the first plate and the second plate, and part of the connecting plates extends in the thickness direction of the support plate to form a mounting portion. The partition plate The first surface is away from the other of the partitions.

The second aspect of this application provides an oil-cooled reducer, including:

The first aspect is the reducer lubrication structure.

The third aspect of this application provides an automobile, including:

The second aspect offers oil-cooled reducers.

Compared with the existing technology, the reducer lubrication structure provided by this application is connected to the pump by setting a sealed oil passage. The sealed oil passage is opposite to the oil passage inlet of the input bearing, and the sealed oil passage is provided with an oil injection port. When the pump is When the oil is pumped into the sealed oil channel, part of the oil in the sealed oil channel will be ejected from the oil injection port and form an oil injection area. Part of the oil in the oil injection area can be injected into the oil channel inlet of the input bearing to achieve lubrication of the input bearing; The input end of the oil guide groove is connected to the input bearing, the output end is connected to the output bearing, and the input end of the oil guide groove extends into the oil injection area; the enclosure structure is set in the oil injection area, and the enclosure structure is connected to the oil guide groove, and part of the enclosure The structure fits the sealed oil passage, and the enclosure structure is used to contain another part of the oil in the oil injection area in the oil guide groove, and the other part of the oil is transported to the output bearing inlet through the oil guide groove to achieve lubrication of the output bearing. The reducer lubrication structure of this application uses part of the oil sprayed in the sealed oil passage to lubricate the input bearing, and uses the oil guide groove and the enclosure structure to transport the other part of the sprayed oil to the output bearing to achieve lubrication of the output bearing, and the overall structure is simpler , stable, and its use in combination with splash lubrication ensures that the input and output bearings are fully lubricated and extends the service life of the input and output bearings. When the reducer lubrication structure of the present application is applied to an oil-cooled reducer, the sealed oil passage and pump included in the oil-cooled reducer can also be directly used to reduce production costs.

Description of the drawings

The above and other objects, features and advantages of the exemplary embodiments of the present application will become readily understood by reading the following detailed description with reference to the accompanying drawings. In the drawings, several embodiments of the present application are shown by way of illustration and not limitation, and the same or corresponding reference numerals represent the same or corresponding parts, wherein:

Figure 1 schematically shows the structural diagram of the lubricating structure of the reducer of the present application;

Figure 2 schematically shows a partial enlarged view of C in Figure 1;

Figure 3 schematically shows a structural diagram of the enclosure structure of the reducer lubricating structure of the present application.

Explanation of reference numbers:

1. Sealed oil channel; 11. Fuel injection area; 2. Oil guide groove; 3. Enclosure structure; 31. First plate; 32. Second plate; 33. Third plate; 34. Connecting plate; 341. Installation part ; 4. Input bearing; 5. Output bearing.

Detailed ways

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a thorough understanding of the disclosure, and to fully convey the scope of the disclosure to those skilled in the art.

It should be noted that, unless otherwise stated, the technical terms or scientific terms used in this application should have the usual meanings understood by those skilled in the art to which this application belongs.

Example 1

As shown in Figures 1 and 3, Embodiment 1 of the present application provides a reducer lubrication structure for lubrication of the input bearing 4 and the output bearing 5 in the reducer, including:

Sealed oil passage 1 is opposite to the oil passage inlet of the input bearing 4. The sealed oil passage 1 is provided with an oil injection port, and an oil injection area 11 is formed at the oil injection port. A part of the oil in the oil injection area 11 can be injected to the oil passage inlet of the input bearing 4;

A pump (not shown in the figure), the output end of the pump is connected to the sealed oil passage 1, and the input end of the pump is used to communicate with the oil storage device;

Oil guide groove 2, the input end of the oil guide groove 2 extends into the oil injection area 11, the input end of the oil guide groove 2 is used to connect with the input bearing 4, and the output end of the oil guide groove 2 is used to Communicated with the oil passage inlet of the output bearing 5;

The enclosure structure 3 is provided in the fuel injection area 11 and is used to be arranged on the input bearing 4. The enclosure structure 3 is connected to the oil guide groove 2. , the containment structure 3 can contain another part of the oil in the oil injection area 11 in the oil guide groove 2, and transport the other part of the oil to the output bearing 5 through the oil guide groove 2 oil channel entrance.

Specifically, the sealed oil passage 1 is provided with an oil injection port, so that the oil in the sealed oil passage 1 can be injected from the oil injection port to form an oil injection area 11 . The sealed oil passage 1 needs to be opposite to the oil passage inlet of the input bearing 4 to ensure that part of the oil in the oil injection area 11 can be injected to the oil passage inlet of the input bearing 4 .

The specific position of the oil injection port is not limited. For example, it can be set on the side wall of the sealed oil channel 1, but it must be ensured that the oil channel entrance of the input bearing 4 and the input end of the oil guide groove 2 are located within the oil injection area formed by the oil injection port. , the specific shape of the fuel injection port is not further limited, for example, it can be a circle, an ellipse, a triangle or a shape. The size of the fuel injection port can be designed according to actual needs.

The sealing oil passage 1 can be obtained through market purchase. In addition, when the lubrication structure is applied to an oil-cooled reducer, the sealed oil channel 1 in the oil-cooled reducer can also be used, and an oil injection port can be provided on its own lubricating oil channel as a lubrication structure. Seal oil passage 1 to reduce production costs.

The pump is used to pump external oil into the sealed oil passage 1, and by adjusting the speed of the pump, the amount of oil injection can be controlled to achieve more precise lubrication. The oil storage device and pump can be purchased from the market, or the oil storage device and pump can be built into the reducer. For example, it can be an oil storage device for lubricating oil used to cool the motor in an oil-cooled reducer. and pump.

The oil guide groove 2 is used to transport another part of the oil injected in the oil injection area 11 to the oil passage inlet of the output bearing 5 to lubricate the output bearing 5 . The input end of the oil guide groove 2 is connected to the input bearing 4, for example, by welding or bolting, to make the overall structure more stable. The length of the oil guide groove 2 is designed according to the distance between the input bearing 4 and the output bearing 5. The oil guide groove 2 should have a certain height to prevent the oil in the groove from overflowing.

In order to avoid oil splashing, in actual engineering, one end of the hose can be extended into the oil injection port. The other end of the hose is designed with two branch pipes. The two branch pipes extend into the input bearing oil channel entrance and In the entrance of the output bearing oil passage. However, in order to make the overall lubricating structure more solid and stable, this application designs an enclosure structure 3 to avoid oil splashing and achieve an oil collection effect.

The containment structure 3 is used to contain another part of the oil in the oil injection area 11 in the oil guide groove 2 . The enclosure structure 3 can be fixedly connected to the oil guide groove 2 by pasting or welding, and the enclosure structure 3 can be fixed or placed on the input bearing 4 . The partial enclosure structure 3 matches the shape of the outer wall of the sealed oil passage 1, so that the partial enclosure structure 3 can fit with the sealed oil passage 1 to ensure the enclosure effect. The partial enclosure structure 3 matches the shape of the outer wall of the partial input bearing 4 so that the partial enclosure structure 3 can fit the partial input bearing 4 to further ensure the enclosure effect. The containment structure 3 can contain another part of the oil in the oil injection area 11 in the oil guide groove 2, and transport the other part of the oil to the oil passage entrance of the output bearing 5 through the oil guide groove 2, thus avoiding the sprayed oil from splashing. It causes waste, plays the role of oil collection and improves resource utilization.

Compared with the prior art, the reducer lubrication structure provided in Embodiment 1 of the present application is provided with a sealing oil passage 1 connected to the pump. The sealing oil passage 1 is opposite to the oil passage inlet of the input bearing 4, and the sealing oil passage 1 is provided with There is an oil injection port. When the pump pumps oil into the sealed oil channel 1, part of the oil in the sealed oil channel 1 will be sprayed out from the oil injection port and form an oil injection area 11. A part of the oil in the oil injection area 11 can be injected to The oil passage entrance of the input bearing 4 realizes lubrication of the input bearing 4; the input end of the oil guide groove 2 is connected to the input bearing 4, the output end is connected to the output bearing 5, and the input end of the oil guide groove 2 extends into the oil injection area 11 ; The containment structure 3 is arranged in the fuel injection area 11. The containment structure 3 is connected to the oil guide groove 2. Part of the containment structure 3 is fit with the sealed oil passage 1. The containment structure 3 is used to divert the other part of the oil in the fuel injection area 11. It is enclosed in the oil guide groove 2, and another part of the oil is transported to the inlet of the output bearing 5 through the oil guide groove 2 to achieve lubrication of the output bearing 5. The reducer lubrication structure of this application uses part of the oil sprayed in the sealed oil passage 1 to lubricate the input bearing 4, and uses the oil guide groove 2 and the enclosure structure 3 to transport the other part of the sprayed oil to the output bearing 5 to realize the lubrication of the output bearing 5. lubrication, the overall structure is simpler and more stable, and its use in combination with splash lubrication ensures that the input and output bearings 5 are fully lubricated and extends the service life of the input and output bearings 5. When the reducer lubrication structure of the present application is applied to an oil-cooled reducer, the sealed oil passage 1 and pump included in the oil-cooled reducer can also be directly used to reduce production costs.

In order to facilitate oil collection, the cross-sectional area of the input end of the oil guide groove 2 may be larger than the cross-sectional area of the output end. In order to make the structure of the oil guide groove 2 simpler and reduce the manufacturing cost, in some embodiments, the oil guide groove 2 includes a strip-shaped support plate and two partitions (not shown in the figure);

The length direction of the support plate and the two partition plates are consistent. The two partition plates are spaced apart and opposite to each other along the width direction of the support plate. The support plate is connected to the two partition plates to form a cross-section. It is a zi-shaped structure;

The first end of the support plate is used to connect with the input bearing 4. The first ends of the support plate and the two partition plates both extend into the fuel injection area 11. The support plate and the The second ends of the two partitions extend into the oil passage entrance of the output bearing 5 , and the enclosure structure 3 is connected to the two partitions.

Specifically, the lengths of the support plate and the two partition plates can be equal, and both ends of the three are aligned. The specific lengths of the support plate and the two partition plates can be designed based on the distance between the input bearing 4 and the output bearing 5 . The support plate can be welded or pasted on the outer wall of the input bearing 4 to make the overall lubricating structure more stable.

As shown in Figures 1 and 3, in some embodiments, the enclosure structure 3 further includes a first plate 31;

The first plate 31 is arranged in the oil injection area 11, and the first plate 31 is arranged between the oil passage entrance of the input bearing 4 and the oil guide groove 2; the first plate 31 and the The width direction of the support plate is vertical, and the first plate 31 is sealingly connected to one of the partition plates. The first plate 31 can be attached to part of the outer wall of the sealed oil passage 1 and part of the outer wall of the input bearing 4 respectively. Together, the first plate 31 and the fuel injection port have a preset distance.

Specifically, the first plate 31 and the fourth plate can block the oil injected from the oil injection port between them. Both the first plate 31 and the fourth plate are parallel to the two partitions. In order to ensure the enclosure effect, the first side of the first plate 31 is adapted to the shape of the outer wall of part of the input bearing 4. For example, when the outer wall of the input bearing 4 is in contact with the first side of the first plate 31, it is arc-shaped. , the first side of the first plate 31 is also arc-shaped, so that the two can fit together. Similarly, the second side of the first plate 31 is in contact with the outer wall of the partially sealed oil passage 1 to further ensure the containment effect. There is an oil injection port between the first side of the first plate 31 and the first side of the fourth plate. The third side of the first plate 31 can be welded, glued, or integrally formed with the partition to ensure the sealing between the two, prevent oil from leaking from the connection, and ensure the oil collection effect.

In order to avoid oil splashing at the input end of the oil guide groove 2, as shown in Figures 1 and 3, in some embodiments, the enclosure structure 3 also includes a second plate 32;

The second plate 32 is parallel to the support plate, and is connected to the first ends of the two partitions. The second plate 32, the support plate and the two partitions are A structure with a cross-section is formed.

Specifically, the second plate 32 is designed at the input end of the oil guide groove 2 to prevent the oil in the oil injection area 11 from entering the input end of the oil guide groove 2 and then splashing out, thereby ensuring the oil collection effect.

In order to further ensure the oil collection effect, the enclosure structure 3 may also include a fifth plate. The fifth plate is connected to the first plate 31 , the fourth plate and the second plate 32 respectively, and the fifth plate is perpendicular to the first plate 31 and the second plate 32 respectively. Fourth and second plates 32.

As shown in Figures 1 and 3, in some embodiments, the enclosure structure 3 includes a third plate 33;

The third plate 33 is disposed in the oil injection area 11. The third plate 33 is disposed between the oil passage entrance of the input bearing 4 and the oil guide groove 2. The third plate 33 is perpendicular to the oil injection area 11. The length direction of the support plate; the first side of the third plate 33 is directly opposite the fuel injection port, and the second side of the third plate 33 is used to fit part of the input bearing 4, The third plate 33 is connected to the first plate 31 and the fourth plate. The first plate 31 can divide the fuel injection area 11 into a first sub-injection area and a second sub-injection area with equal injection amounts. area;

The input end of the oil guide groove 2 extends into the first sub-oil injection area, and the oil in the second sub-oil injection area can be injected to the oil passage inlet of the input bearing 4 .

Specifically, the third plate 33 is used to divide the oil injection area 11 into a first sub-injection area and a second sub-injection area with equal oil injection amounts, so that the amount of oil entering the oil passage of the input bearing 4 is equal to the oil amount of the output bearing 5 The amount of oil in the channel is equal, while ensuring the lubrication effect of the input bearing 4 and the output bearing 5. The first side of the third plate 33 may be in contact with the outer wall of the sealing oil passage 1 , or may be at a preset distance from the sealing oil passage 1 . For the enclosure effect, the third plate 33 can be connected with the first plate 31 and the fourth plate respectively.

In order to prevent the oil from the two sub-injection areas 11 from merging at the connection between the third plate 33 and the input bearing 4, the second side of the third plate 33 is adapted to the shape of part of the input bearing 4, so that the third plate 33 The second side is fitted with part of the input bearing 4, and further, the two can be sealed and connected by welding.

In some embodiments, the enclosure structure 3 also includes an arc plate (not shown in the figure);

Part of the arc-shaped plate is sleeved on part of the side wall of the sealed oil passage 1. The first side of the arc-shaped plate is used to fit part of the outer wall of the input bearing 4. The arc-shaped plate The oil passage inlet of the input bearing 4 is disposed between the first side and the third plate 33 , and the oil injection port is disposed on the side wall of the sealed oil passage 1 .

Specifically, the arc plate is used to avoid oil splashing in the first sub-injection area. The shape of the partial arc-shaped plate is adapted to the shape of the side wall of the sealed oil passage 1, so that the partial arc-shaped plate can be placed on the side wall of the partial sealed oil passage 1. Part of the arc plate protrudes toward the oil passage opening to form a drainage portion. The drainage portion extends into the oil passage entrance of the input bearing and has a gap with the oil passage entrance to ensure that oil can enter the entrance of the input bearing 4 oil passage. In order to ensure the stability of the overall structure, the arc plate can also be connected to the first plate 31 and the fourth plate.

In some embodiments, the enclosure structure 3 also includes a fourth plate (not shown in the figure);

The fourth plate is disposed in the fuel injection area 11, and is spaced apart from and facing the first plate 31 along the width direction of the support plate; the fourth plate is aligned with one of the spacers. The plates are sealed and connected. The fourth plate can fit with part of the outer wall of the sealed oil passage 1 and part of the outer wall of the input bearing 4 respectively. The fourth plate has the preset distance from the fuel injection port. .

Specifically, the structure of the fourth plate may refer to the structure of the first plate 31 , which will not be described again here.

As shown in Figures 1 to 3, in some embodiments, the enclosure structure 3 also includes a connecting plate 34;

The connecting plate 34 is connected to the partition plate, the third side of the first plate 31 and the second plate 32 respectively, and part of the connecting plate 34 extends in the thickness direction of the support plate to form a mounting portion 341 , the first surface of the partition is away from the other partition.

Specifically, the mounting portion 341 is provided with through-mounting holes along the width direction of the support plate, and the connecting plate 34 can be fixed on the housing of the reducer through the mounting holes, making the overall structure more stable.

Example 2

As shown in Figures 1 to 3, Embodiment 2 of the present application is an oil-cooled reducer, including the reducer lubrication structure of Embodiment 1. The reducer lubrication structure is used to lubricate the input bearing 4 and the output bearing 5 in the reducer. Lubrication, including:

Sealed oil passage 1 is opposite to the oil passage inlet of the input bearing 4. The sealed oil passage 1 is provided with an oil injection port, and an oil injection area 11 is formed at the oil injection port. A part of the oil in the oil injection area 11 can be injected to the oil passage inlet of the input bearing 4;

Pump, the output end of the pump is connected to the sealed oil passage 1, and the input end of the pump is used to communicate with the oil storage device;

Oil guide groove 2, the input end of the oil guide groove 2 extends into the oil injection area 11, the input end of the oil guide groove 2 is used to connect with the input bearing 4, and the output end of the oil guide groove 2 is used to Communicated with the oil passage inlet of the output bearing 5;

The enclosure structure 3 is provided in the fuel injection area 11 and is used to be arranged on the input bearing 4. The enclosure structure 3 is connected to the oil guide groove 2. , part of the enclosure structure 3 fits the sealed oil passage 1, and the enclosure structure 3 can contain another part of the oil in the oil injection area 11 in the oil guide groove 2, and pass through the oil guide groove 2. The oil guide groove 2 delivers the other part of the oil to the oil passage inlet of the output bearing 5 .

Compared with the prior art, the oil-cooled reducer provided in Embodiment 2 of the present application includes the lubrication structure of the reducer of Embodiment 1. The lubrication structure of the reducer is connected to the pump through a sealed oil passage 1, and the sealed oil passage 1 is connected to the input. The oil channel inlets of bearing 4 are opposite, and the sealed oil channel 1 is provided with an oil injection port. When the pump pumps oil into the sealed oil channel 1, part of the oil in the sealed oil channel 1 will be ejected from the oil injection port and form a spray port. Oil area 11, part of the oil in the oil injection area 11 can be sprayed to the oil passage inlet of the input bearing 4 to lubricate the input bearing 4; the input end of the oil guide groove 2 is connected to the input bearing 4, and the output end is connected to the output bearing 5 , and the input end of the oil guide groove 2 extends into the oil injection area 11; the enclosure structure 3 is set in the oil injection area 11, the enclosure structure 3 is connected to the oil guide groove 2, and part of the enclosure structure 3 is attached to the sealed oil passage 1, The containment structure 3 is used to contain another part of the oil in the oil injection area 11 in the oil guide groove 2, and the other part of the oil is transported to the inlet of the output bearing 5 through the oil guide groove 2 to achieve lubrication of the output bearing 5. The reducer lubrication structure of this application uses part of the oil sprayed in the sealed oil passage 1 to lubricate the input bearing 4, and uses the oil guide groove 2 and the enclosure structure 3 to transport the other part of the sprayed oil to the output bearing 5 to realize the lubrication of the output bearing 5. lubrication, the overall structure is simpler and more stable, and its use in combination with splash lubrication ensures that the input and output bearings 5 are fully lubricated and extends the service life of the input and output bearings 5. The sealed oil passage 1 and pump in the lubrication structure of the reducer in this application can be the sealed oil passage 1 and pump built into the oil-cooled reducer to reduce production costs.

Example 3

Embodiment 3 of the present application provides an automobile, including:

The oil-cooled reducer of Embodiment 2 includes the reducer lubrication structure of Embodiment 1. The reducer lubrication structure is used to lubricate the input bearing 4 and the output bearing 5 in the reducer, including:

Sealed oil passage 1 is opposite to the oil passage inlet of the input bearing 4. The sealed oil passage 1 is provided with an oil injection port, and an oil injection area 11 is formed at the oil injection port. A part of the oil in the oil injection area 11 can be injected to the oil passage inlet of the input bearing 4;

Pump, the output end of the pump is connected to the sealed oil passage 1, and the input end of the pump is used to communicate with the oil storage device;

Oil guide groove 2, the input end of the oil guide groove 2 extends into the oil injection area 11, the input end of the oil guide groove 2 is used to connect with the input bearing 4, and the output end of the oil guide groove 2 is used to Communicated with the oil passage inlet of the output bearing 5;

The enclosure structure 3 is provided in the fuel injection area 11 and is used to be arranged on the input bearing 4. The enclosure structure 3 is connected to the oil guide groove 2. , part of the enclosure structure 3 fits the sealed oil passage 1, and the enclosure structure 3 can contain another part of the oil in the oil injection area 11 in the oil guide groove 2, and pass through the oil guide groove 2. The oil guide groove 2 delivers the other part of the oil to the oil passage inlet of the output bearing 5 .

Compared with the prior art, the automobile provided in Embodiment 3 of the present application includes the oil-cooled reducer provided in Embodiment 2, and the lubrication structure of the reducer provided in Embodiment 1. The lubrication structure of the reducer is connected to a pump by setting a sealing oil. Channel 1, the sealed oil channel 1 is opposite to the oil channel inlet of the input bearing 4, and the sealed oil channel 1 is equipped with an oil injection port. When the pump pumps oil into the sealed oil channel 1, part of the oil in the sealed oil channel 1 will It is ejected from the oil injection port and forms an oil injection area 11. A part of the oil in the oil injection area 11 can be injected to the oil passage inlet of the input bearing 4 to achieve lubrication of the input bearing 4; the input end of the oil guide groove 2 and the input bearing 4 connection, the output end is connected with the output bearing 5, and the input end of the oil guide groove 2 extends into the oil injection area 11; the enclosure structure 3 is set in the oil injection area 11, the enclosure structure 3 is connected to the oil guide groove 2, and part of the enclosure structure 3 is fit with the sealed oil passage 1, and the containment structure 3 is used to contain another part of the oil in the oil injection area 11 in the oil guide groove 2, and the other part of the oil is transported to the inlet of the output bearing 5 through the oil guide groove 2, so as to realize the alignment. Lubrication of output bearing 5. The reducer lubrication structure of this application uses part of the oil sprayed in the sealed oil passage 1 to lubricate the input bearing 4, and uses the oil guide groove 2 and the enclosure structure 3 to transport the other part of the sprayed oil to the output bearing 5 to realize the lubrication of the output bearing 5. lubrication, the overall structure is simpler and more stable, and its use in combination with splash lubrication ensures that the input and output bearings 5 are fully lubricated and extends the service life of the input and output bearings 5. When the reducer lubrication structure of the present application is applied to an oil-cooled reducer, the sealed oil passage 1 and pump included in the oil-cooled reducer can also be directly used to reduce production costs.

The above are only specific embodiments of the present application, but the protection scope of the present application is not limited thereto. Any person familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application. should be covered by the protection scope of this application. Therefore, the protection scope of this application should be subject to the protection scope of the claims.

Claims (10)

1. A lubrication structure of a speed reducer for lubricating an input bearing and an output bearing in the speed reducer, comprising:

the sealed oil duct is opposite to the oil duct inlet of the input bearing, an oil injection port is arranged on the sealed oil duct, an oil injection area is formed at the oil injection port, and part of oil in the oil injection area can be injected to the oil duct inlet of the input bearing;

the output end of the pump is communicated with the sealed oil duct, and the input end of the pump is communicated with the oil storage device;

the input end of the oil guide groove extends into the oil injection area, the input end of the oil guide groove is used for being connected with the input bearing, and the output end of the oil guide groove is used for being communicated with an oil duct inlet of the output bearing;

enclose and keep off the structure, enclose and keep off the structure setting and be in the oil spout region, enclose and keep off the structure and be used for setting up on the input bearing, enclose and keep off the structure with lead the oil groove and be connected, enclose and keep off the structure can with another part of oil in the oil spout region enclose and keep off in leading the oil groove, and pass through lead the oil groove will another part of oil is carried to the oil duct entry of output bearing.

2. The lubrication structure of a speed reducer according to claim 1, wherein the oil guide groove includes a support plate and two partition plates, both of which are in a strip shape;

the length directions of the supporting plate and the two clapboards are consistent, the two clapboards are arranged at intervals along the width direction of the supporting plate and are opposite to each other, and the supporting plate is respectively connected with the two clapboards to form a structure with a U-shaped section;

the first end of backup pad be used for with input bearing connects, the backup pad with the first end of two baffles all stretches into to the oil spout region, the backup pad with the second end of two baffles all stretches into in the oil duct entry of output bearing, enclose and keep off the structure with two baffles are connected.

3. The speed reducer lubrication structure of claim 2, wherein the enclosure structure further comprises a first plate;

the first plate is arranged in the oil injection area and is arranged between an oil duct inlet of the input bearing and the oil guide groove; the first plate with the width direction of backup pad is perpendicular, first plate with one baffle sealing connection, first plate can respectively with part sealed oil duct's outer wall and part input bearing's outer wall laminating, first plate with the oil spout has the distance of predetermineeing.

4. A speed reducer lubrication structure according to claim 3, wherein the enclosure structure further comprises a second plate;

the second plate is parallel to the supporting plate, the second plate is connected with the first ends of the two partition plates, and the second plate, the supporting plate and the two partition plates form a structure with a cross section in a shape of a Chinese character kou.

5. A speed reducer lubrication structure according to claim 3, wherein the enclosure structure further comprises a third plate;

the third plate is arranged in the oil injection area, is arranged between the inlet of the oil duct of the input bearing and the oil guide groove, and is perpendicular to the length direction of the supporting plate; the first side edge of the third plate is opposite to the oil injection port, the second side edge of the third plate is used for being attached to part of the input bearing, the third plate is connected with the first plate, and the first plate can divide the oil injection area into a first sub oil injection area and a second sub oil injection area with equal oil injection quantity;

the input end of the oil guide groove extends into the first sub-oil injection area, and oil in the second sub-oil injection area can be injected into an oil duct inlet of the input bearing.

6. The lubrication structure of claim 5, wherein the enclosure structure further comprises an arcuate plate;

part the arc cover is established partly on the lateral wall of sealed oil duct, the first side of arc be used for with part the laminating of input bearing's outer wall, the first side of arc with be used for setting up between the third board the oil duct entry of input bearing, the oil spout sets up on the lateral wall of sealed oil duct.

7. A speed reducer lubrication structure according to claim 3, wherein the enclosure structure further comprises a fourth plate;

the fourth plate is arranged in the oil spraying area, and is spaced from and opposite to the first plate along the width direction of the supporting plate; the fourth plate can be respectively attached to part of the outer wall of the sealing oil duct and part of the outer wall of the input bearing, and the fourth plate is at the preset distance from the oil injection port.

8. The lubrication structure of claim 4, wherein the enclosure structure further comprises a connection plate;

the connecting plates are respectively connected with the first surface of one partition plate, the first plate and the second plate, part of the connecting plates extend towards the thickness direction of the supporting plate to form a mounting part, and the first surface of the partition plate is far away from the other partition plate.

9. An oil-cooled reduction gear, comprising:

the lubrication structure of a speed reducer according to any one of claims 1 to 8.

10. An automobile, comprising:

the oil-cooled reduction gear of claim 9.