CN217056263U - Power device for vehicle - Google Patents

Abstract

The utility model discloses a power device of vehicle, it contains a box unit, and one installs in the operation unit of this box unit. The box body unit comprises a shell for defining an inner space, a partition plate which is provided with a communication port and divides the inner space into a power chamber and a transmission chamber, a groove plate for defining an oil collecting groove, a bearing seat arranged in the transmission chamber and a convex rib positioned above the oil collecting groove. The operation unit comprises a crankshaft which operates to enable lubricating oil to enter the transmission chamber through the communication port, a driving shaft arranged in the transmission chamber, a bearing arranged on the bearing seat, a transmission shaft connected with the driving shaft, and a rotating gear which is sleeved on the transmission shaft and has a part extending into the oil collecting tank. The rotating gear drives the lubricating oil in the oil collecting tank upwards, and the lubricating oil is blocked by the convex rib and then guided to the bearing.

Description

Power device for vehicle

Technical Field

The present invention relates to a vehicle component, and more particularly to a vehicle power unit.

Background

Referring to fig. 1, a conventional power plant 1 includes a housing 11 defining a crank chamber 111 and a transmission chamber 112 separated from each other, a crankshaft 12 disposed in the crank chamber 111, and a transmission mechanism 13 disposed in the transmission chamber 112. The lubrication mechanism for the operation of the crankshaft 12 relies primarily on the oil added to the crank chamber 111, while the lubrication mechanism for the transmission mechanism 13 relies on the gear oil added to the transmission chamber 112. The transmission mechanism 13 includes a driving shaft 131 and a transmission shaft 132 connected to the driving shaft 131 by engaging gears with each other. The gear oil in the transmission chamber 112 mainly splashes along with the operation of the gears, so that the gear oil can be attached to the driving shaft 131 and the transmission shaft 132, thereby achieving the lubrication effect.

However, the lubrication mechanism for splashing gear oil by the rotation of the gear must ensure that the gear can be driven with sufficient oil amount during rotation, and it is difficult to control the splashing direction and the recycling of gear oil, and although it can still deal with the machine parts with small physical performance or simple parts, if it is necessary to completely deal with the driving shaft 131 and the transmission shaft 132, even the rotating bearing, the effect is still insufficient and needs to be further optimized. Moreover, in order to achieve the lubrication mechanism of the power unit 1, it is necessary to add engine oil and gear oil to the crank chamber 111 and the transmission chamber 112, respectively, which not only makes the maintenance relatively complicated, but also makes it difficult to design the lubrication mechanism of the whole power unit 1 integrally under the condition that the properties of the engine oil and the gear oil are slightly different.

SUMMERY OF THE UTILITY MODEL

[ problems to be solved by the present invention ]

Therefore, an object of the present invention is to provide a power unit for a vehicle, which can ensure sufficient lubrication effect by using only one kind of lubricating oil.

[ means for solving problems ]

Therefore, the power device of the vehicle of the present invention comprises a box unit and an operation unit installed on the box unit.

The box body unit comprises a shell, a partition plate, a bearing seat and a convex rib, wherein the shell surrounds to define an inner space, the partition plate is arranged in the inner space and defines a communicating port, the partition plate divides the inner space into a power chamber and a transmission chamber communicated with the power chamber through the communicating port, the channel plate is connected to the shell and defines an oil collecting groove located at the bottom of the transmission chamber, the bearing seat is arranged in the transmission chamber, and the convex rib is convexly arranged on the shell, is located above the oil collecting groove and is adjacent to the radial outer side of the bearing seat.

The running unit comprises a crankshaft, a driving shaft, a bearing, a transmission shaft and a rotating gear, wherein the crankshaft is arranged in the power chamber and used for running so that lubricating oil enters the transmission chamber through the communicating port and is accumulated in the oil collecting tank, the driving shaft is arranged in the transmission chamber and is linked with the crankshaft, the bearing is sleeved on the driving shaft and is arranged on the bearing seat, the transmission shaft is connected with the driving shaft, and the rotating gear is sleeved on the transmission shaft and at least partially extends into the oil collecting tank. The rotating gear is suitable for rotating to drive the lubricating oil in the oil collecting tank upwards, and then the lubricating oil is guided to the bearing after being blocked by the convex rib.

In some embodiments of the present invention, the bearing seat of the box unit has a first through hole radially penetrating and adjacent to the rib.

In some embodiments of the present invention, the bearing seat further has a second through hole which is directed downward and radially penetrates.

In some embodiments of the present invention, the first through hole and the second through hole of the bearing seat are located on two opposite sides, respectively.

In some embodiments of the present invention, the rib of the box unit extends in a direction away from the bearing seat to define a rotation direction of the driving shaft, and the rib has a blocking surface located behind the first through hole and extending toward the first through hole along the rotation direction.

In some embodiments of the present invention, the crankshaft of the operating unit has a shaft body and a protrusion engaging with the shaft body and capable of rotating with the shaft body.

[ efficacy that the utility model can achieve ]

The utility model discloses power device of vehicle, between this power house and this transmission room of mutual intercommunication each other through this intercommunication mouth, lubricating oil can share, so this bent axle rotation and the lubricating oil of stirring, can get into this transmission room via this intercommunication mouth, and then the accumulation is located this oil sump of this transmission room, along with the rotation of this transmission shaft, at least some stretch into this rotating gear of this oil sump also can rotate and upwards drive the lubricating oil in this oil sump, and the lubricating oil that upwards splashes then can be blockked by this fin, and along this bearing of this fin direction, ensure to use under the condition of single lubricating oil, ensure sufficient lubricated effect.

The utility model discloses a some embodiments, this of this fin blocks the lubricating oil that the wall blockked, can provide to this bearing along this extending direction via this first through-hole of this bearing frame, borrows this accurate leading-in this bearing with lubricating oil.

Some embodiments of the utility model, get into the lubricating oil of this bearing via this first through-hole, can be derived by this second through-hole that is located this first through-hole opposite side again, get back to this oil sump that is located this transmission room bottom again, continue to borrow and upwards splash by the rotation of this rotating gear, accomplish lubricated circulation.

Some embodiments of the present invention, the crankshaft is rotated by stirring the lubricant through the protrusion, so that the lubricant enters the transmission chamber through the communication port.

Drawings

Other features and advantages of the present invention will become apparent from the following detailed description of the preferred embodiments with reference to the accompanying drawings, in which:

FIG. 1 is a partial cross-sectional view illustrating a prior art power transmission case;

fig. 2 is a sectional view illustrating an embodiment of a power unit for a vehicle according to the present invention, and a case unit and an operation unit of the embodiment;

FIG. 3 is a partially enlarged sectional view illustrating a bearing housing and a rib of the operating unit in conjunction with FIG. 2; and

fig. 4 is a schematic diagram illustrating circulation of the lubricating oil in the present embodiment.

List of reference numerals

2. box unit

200. inner space

201. power chamber

202. transmission chamber

21. shell

22. partition plate

220. communication port

23. trough plate

230. oil sump

24. bearing seat

241 · first via

242. second through hole

25. convex rib

251.cndot.barrier surface

3. operation unit

31. crankshaft

311. shaft body

312. bump

32. drive shaft

33. bearing

34. transmission shaft

35. rotating gear

R DEG

R'. cndot..

Detailed Description

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to fig. 2, the present embodiment of the vehicle power device according to the present invention includes a housing unit 2 and an operation unit 3 installed on the housing unit 2. Specifically, the case unit 2 is suitable for an engine case and a transmission case for accommodating an engine and a transmission mechanism, and it should be noted that, in the present embodiment, in order to focus on the technical points related to the lubrication mechanism claimed in the present embodiment, a case structure unrelated to the lubrication mechanism will not be fully described later.

The box unit 2 includes a housing 21 surrounding and defining an inner space 200, a partition 22 disposed in the inner space 200 and defining a communication port 220 and dividing the inner space 200 into a power chamber 201 and a transmission chamber 202 communicating with the power chamber 201 through the communication port 220, a slot plate 23 connected to the housing 21 and defining an oil collection groove 230 located at the bottom of the transmission chamber 202, a bearing seat 24 disposed in the transmission chamber 202, and a protruding rib 25 protruding from the housing 21 and located above the oil collection groove 230 and adjacent to the radial outer side of the bearing seat 24. Since the power chamber 201 and the transmission chamber 202 are communicated with each other through the communication port 220, the lubricating oil added to the power chamber 201 can flow to the transmission chamber 202 through the communication port 220.

Referring to fig. 2 and 3, the bearing seat 24 has a first through hole 241 radially penetrating and adjacent to the protruding rib 25, and a second through hole 242 facing downward and radially penetrating and located at the opposite side of the first through hole 241. The protruding rib 25 extends in a direction away from the bearing seat 24 and has a blocking surface 251 facing the position of the first through hole 241.

The operation unit 3 includes a crankshaft 31 disposed in the power chamber 201 and configured to operate so that the lubricating oil enters the transmission chamber 202 through the communication port 220 and is accumulated in the oil collecting tank 230, a driving shaft 32 disposed in the transmission chamber 202 and linked with the crankshaft 31, a bearing 33 disposed on the driving shaft 32 and disposed on the bearing seat 24, a transmission shaft 34 connected to the driving shaft 32, and a rotating gear 35 disposed on the transmission shaft 34 and at least partially extending into the oil collecting tank 230. Defining a rotation direction R of the drive shaft 32, the blocking surface 251 is located behind the first through hole 241 in the rotation direction R and extends towards the first through hole 241, i.e. the blocking surface 251 is directed opposite to the rotation direction R. In addition, the transmission shaft 34 connected to the driving shaft 32 rotates with the rotating gear 35 in a rotating direction R' opposite to the rotating direction R.

Referring to fig. 4 in conjunction with fig. 2 and 3, the crankshaft 31 has a shaft body 311 and a protrusion 312 sleeved on the shaft body 311 and capable of rotating with the shaft body 311, when the operation unit 3 of the embodiment operates, the protrusion 312 of the crankshaft 31 swings with the rotation of the shaft body 311, so that the lubricating oil in the power chamber 201 can be introduced into the transmission chamber 202 through the communication port 220. The lubricant introduced into the transmission chamber 202 flows downward by gravity and accumulates in the oil sump 230 at the bottom of the transmission chamber 202. As the transmission shaft 34 rotates, a portion of the rotating gear 35, which is extended into the oil sump 230 and is immersed under the surface of the lubricating oil, also rotates, thereby moving the lubricating oil in the oil sump 230 upward. The lubricant splashed upward is not only attached to specific parts in the transmission chamber 202 to achieve a lubricating effect, but also partially splashed upward in the rotating direction R' of the rotating gear 35 and then splashed upward with the rotation of the driving shaft 32 until being blocked by the blocking surface 251 of the protruding rib 25. Finally, the lubricant stopped by the protruding rib 25 will flow along the protruding rib 25, and then guided to the bearing 33 through the first through hole 241, and after lubricating the bearing 33, will drip downward through the second through hole 242, and then return to the oil sump 230 to enter the next lubricating cycle.

It should be noted that, since the power chamber 201 and the transmission chamber 202 are communicated with each other through the communication port 220, the oil that would otherwise be added to the power chamber 201 can flow to the transmission chamber 202 to exert a lubricating effect, and therefore, the transmission chamber 202 does not need to add gear oil specifically to the gears of the transmission mechanism, and the required lubricating effect can be generated only by the oil that would be added originally, thereby forming a mechanism that the power chamber 201 and the transmission chamber 202 share the lubricating oil, which is beneficial to simplifying the subsequent maintenance.

To sum up, the utility model discloses the power device of vehicle can be under the condition of not additionally adding gear oil, directly uses the machine oil in this power chamber 201, borrows this bent axle 31's rotation to guide into this transmission chamber 202 with lubricating oil, utilizes this oil catch bowl 230 accumulation sufficient lubricating oil volume after, borrows this fin 25 to block the lubricating oil that upwards drives by this rotating gear 35 again, can reach lubricated effect to this bearing 33 very much. Therefore, the purpose of the utility model can be achieved.

The above description is only an embodiment of the present invention, and the scope of the present invention can not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the content of the specification of the present invention still belong to the scope covered by the present invention.

Claims (6)

1. A power unit of a vehicle, characterized by comprising:

a case unit including

A housing surrounding and defining an inner space,

a partition board which is arranged in the inner space, defines a communication port and divides the inner space into a power chamber and a transmission chamber which is communicated with the power chamber through the communication port,

a trough plate connected to the housing and defining an oil collection trough at the bottom of the transmission chamber,

a bearing seat disposed in the transmission chamber, and

the convex rib is arranged on the shell in a protruding mode, is positioned above the oil collecting groove and is adjacent to the radial outer side of the bearing block; and

an operation unit installed to the case unit and including

The crankshaft is arranged in the power chamber and is used for operating so that lubricating oil enters the transmission chamber through the communication port and is accumulated in the oil collecting tank;

the driving shaft is arranged in the transmission chamber and is linked with the crankshaft;

a bearing sleeved on the driving shaft and arranged on the bearing seat,

a drive shaft connected to the drive shaft, an

The rotating gear is sleeved on the transmission shaft, at least one part of the rotating gear extends into the oil collecting groove, and the rotating gear is suitable for rotating to drive the lubricating oil in the oil collecting groove upwards and then is guided to the bearing after being blocked by the convex rib.

2. The power unit as claimed in claim 1, wherein the bearing housing of the case unit has a first through hole radially penetrating therethrough adjacent to the rib.

3. The vehicle power unit according to claim 2, wherein the bearing housing further has a second through hole extending radially downward therethrough.

4. The vehicle power unit according to claim 3, wherein the first through hole and the second through hole of the bearing housing are located on opposite sides, respectively.

5. The vehicle power unit according to claim 2, wherein said rib of said case unit extends in a direction away from said bearing seat to define a rotation direction of said drive shaft, and said rib has a stopper surface located behind said first through hole in said rotation direction and extending toward said first through hole.

6. The vehicle power unit of claim 1, wherein the crankshaft of the operating unit has a shaft body and a protrusion engaging with the shaft body and rotating with the shaft body.

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