CN210800005U - Transmission structure and vehicle with same - Google Patents

Abstract

The utility model discloses a derailleur structure and vehicle that has it, the derailleur structure includes the clutch, outer input shaft outside the input shaft is established to interior input shaft and cover, the first end of input shaft outer input shaft is worn out including the clutch installation, form first oil flow passageway between interior input shaft and the outer input shaft, have the second oil flow passageway with first oil flow passageway intercommunication in the interior input shaft, form the third oil flow passageway between the first end of clutch and interior input shaft, the first end of interior input shaft has and is suitable for the oil flow hole with second oil flow passageway and third oil flow passageway intercommunication. According to the utility model discloses a derailleur structure, lubricating oil can lubricate the bearing isotructure between clutch and the interior input shaft, has promoted the lubricated effect of derailleur structure.

Description

Transmission structure and vehicle with same

Technical Field

The utility model relates to a vehicle manufacturing field particularly, relates to a derailleur structure and vehicle that has it.

Background

In the related art, in order to prevent dry friction between the input shaft of the transmission structure and the bearing when rotating, an oil passage hole for passing lubricating oil is generally formed in the input shaft, and the lubricating oil can flow to different oil flow passages through the oil passage hole to lubricate a transmission pair at different positions.

In the existing transmission structure, a flow channel is arranged between an outer input shaft and an inner input shaft of the transmission structure, and the flow channel is not arranged between a clutch and the inner input shaft of the transmission, namely, the existing lubricating oil can only lubricate structures such as a bearing between the outer input shaft and the inner input shaft, and can not lubricate the structures such as the bearing between the clutch and the inner input shaft, the lubricating effect of the transmission structure is to be improved, and the structures such as the bearing between the clutch and the inner input shaft are easy to wear, so that the transmission structure is damaged.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model discloses a first aspect provides a derailleur structure that can promote lubricated effect to a certain extent at least.

A second aspect of the present invention provides a vehicle having the above transmission structure.

According to the utility model discloses a derailleur structure, establish including clutch, interior input shaft and cover the outer input shaft outside the interior input shaft, the clutch is installed interior input shaft is worn out the first end of outer input shaft, interior input shaft with form first oil flow passageway between the outer input shaft, have in the interior input shaft with the second oil flow passageway of first oil flow passageway intercommunication, the clutch with interior input shaft form the third oil flow passageway between the first end, interior input shaft the first end have be suitable for with the second oil flow passageway with the oil flow hole of third oil flow passageway intercommunication.

According to the utility model discloses first aspect the derailleur structure, lubricating oil can lubricate the bearing isotructure between clutch and the interior input shaft, has promoted the lubricated effect of derailleur structure.

According to the utility model discloses a transmission structure, second oil flow passageway is in orientation the first end of interior input shaft has the opening, second oil flow passageway is in the first end of interior input shaft installs the choke valve, the oil flow hole forms on the choke valve.

Further, the clutch includes: an outer input shaft driven hub adapted to be in sleeve engagement with the outer input shaft, an inner input shaft driven hub adapted to be in sleeve engagement with the inner input shaft, and a support cover adapted to be connected to an output of the transmission structure, wherein a fourth oil flow passage communicating with the first oil flow passage is formed between the outer input shaft driven hub and the inner input shaft driven hub, and the third oil flow passage is formed between the inner input shaft driven hub and the support cover.

Still further, the second oil flow passage extends in an axial direction of the inner input shaft having a radially disposed transition hole for communicating the first oil flow passage with the second oil flow passage.

Still further, the second oil flow passage is provided with an oil flow inlet at a second end of the inner input shaft that faces away from the first end.

Still further, the transmission structure further includes: an electric pump adapted to communicate with the oil flow inlet, the second oil flow passage having a seal cylinder liner mounted at the oil flow inlet.

Optionally, the third oil flow passage is provided with a windage tray adapted to extend in a length direction of the third oil flow passage.

Optionally, a connection of the inner input shaft and the outer input shaft at a side facing away from the clutch forms a first oil flow outlet port that communicates with the first oil flow passage.

Optionally, a second oil flow outlet is formed between the outer input shaft and the outer input shaft driven hub, the second oil flow outlet communicating with the fourth oil flow passage.

According to the second aspect of the present invention, a vehicle is provided with the transmission structure according to the first aspect of the present invention.

According to the utility model discloses the second aspect the vehicle, prolonged the derailleur structure life of vehicle, promoted the experience with the car.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a transmission structure according to an embodiment of the present invention.

Reference numerals:

the transmission structure 100, the inner input shaft 1, the outer input shaft 2, the clutch 3, the outer input shaft driven hub 31, the inner input shaft driven hub 32, the support cover 33, the first oil flow passage 41, the second oil flow passage 42, the transition hole 421, the oil flow inlet 422, the seal cylinder casing 423, the third oil flow passage 43, the oil baffle 431, the fourth oil flow passage 44, the throttle valve 5, the oil flow hole 51, the electric pump 6, the first oil flow outlet 71, the second oil flow outlet 72, the third oil flow outlet 73, the transmission housing 8, the first needle bearing 91, the second needle bearing 92, the third needle bearing 93, the first thrust bearing 94, and the second thrust bearing 95.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "inner", "outer", "axial", "radial", and the like refer to the orientation or positional relationship as shown in the drawings, which are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The invention is described below with reference to specific embodiments in conjunction with the accompanying drawings.

A transmission structure 100 according to an embodiment of the present invention will be described first with reference to fig. 1.

As shown in fig. 1, the transmission structure 100 of the embodiment of the present invention may include a clutch 3, an inner input shaft 1, and a sleeve, where the outer input shaft 2 is disposed outside the inner input shaft 1, the first end of the outer input shaft 2 is worn out by the inner input shaft 1 when the clutch 3 is mounted, a first oil flow channel 41 is formed between the inner input shaft 1 and the outer input shaft 2, and lubricating oil flowing into the first oil flow channel 41 may lubricate components such as a first needle bearing 91 and a second needle bearing 92 disposed outside the inner input shaft 1 and between the inner input shaft 1 and the outer input shaft 2.

The inner input shaft 1 has therein a second oil flow passage 42 communicating with the first oil flow passage 41. In some specific embodiments, as shown in fig. 1, the lubricating oil in the second oil flow passage 42 may flow to the first oil flow passage 41 to lubricate the first and second needle bearings 91 and 92, and the like. In other specific embodiments, the lubricating oil that lubricates the first and second needle bearings 91 and 92 flows into the second oil flow passage 42.

The third oil flow passage 43 is formed between the clutch 3 and the first end of the inner input shaft 1, and the first end of the inner input shaft 1 has an oil flow hole 51 adapted to communicate the second oil flow passage 42 with the third oil flow passage 43. Thus, the lubricating oil flowing into the third oil flow passage 43 can lubricate the third needle bearing 93 and other parts which are located between the inner input shaft 1 and the clutch 3 and which are sleeved outside the inner input shaft 1. In some specific embodiments, as shown in fig. 1, the lubricating oil in the second oil flow passage 42 may flow to the third oil flow passage 43 through the oil flow holes 51 to lubricate the third needle bearing 93 and the like. In other specific embodiments, the lubricating oil that lubricates the third needle bearing 93 and the like flows into the second oil flow passage 42 through the oil flow hole 51.

According to the utility model discloses transmission structure 100, through setting up third oil flow passageway 43, lubricating oil can flow in third oil flow passageway 43 to lubricate the bearing isotructure between clutch 3 and the interior input shaft 1, promoted transmission structure 100's lubricated effect.

In some alternative embodiments of the present invention, as shown in fig. 1, the second oil flow passage 42 has an opening at a first end facing the inner input shaft 1, the second oil flow passage 42 is provided with a throttle valve 5 at the first end of the inner input shaft 1, and the oil flow hole 51 is formed at the throttle valve 5. The throttle valve 5 may be installed in the second oil flow passage 42 and blocked at an opening of the first end of the second oil flow passage 42, and the throttle valve 5 may be fixed in the second oil flow passage 42 by screw-fitting or press-fitting. Therefore, a small oil flow hole 51 does not need to be separately arranged on the inner input shaft 1, and the manufacturing difficulty is reduced.

Specifically, as shown in fig. 1, the clutch 3 includes: an outer input shaft driven hub 31 adapted to be sleeve-fitted with the outer input shaft 2, an inner input shaft driven hub 32 adapted to be sleeve-fitted with the inner input shaft 1, and a support cover 33 adapted to be connected with the output end of the transmission structure 100, a fourth oil flow passage 44 communicating with the first oil flow passage 41 is formed between the outer input shaft driven hub 31 and the inner input shaft driven hub 32, and lubricating oil of the first oil flow passage 41 can flow into the fourth oil flow passage 44 to lubricate components such as a first thrust bearing 94 supported between the inner input shaft driven hub 32 and the outer input shaft driven hub 31.

As shown in fig. 1, the third oil flow passage 43 is formed between the inner input shaft driven hub 32 and the support cover 33, in other words, the third oil flow passage 43 may extend from the junction of the inner input shaft driven hub 32, the support cover 33, and the inner input shaft 1 to between the inner input shaft driven hub 32 and the support cover 33 in the radial direction of the clutch 3, and the lubricating oil of the second oil flow passage 42 may flow into the third oil flow passage 43 to lubricate the second thrust bearing 95 and the like supported between the inner input shaft driven hub 32 and the support cover 33.

Specifically, as shown in fig. 1, the second oil flow passage 42 extends in the axial direction of the inner input shaft 1, and the inner input shaft 1 has a radially disposed transition hole 421, and the transition hole 421 is used to communicate the first oil flow passage 41 with the second oil flow passage 42. Thereby, the lubricating oil of the second oil flow passage 42 can flow into the first oil flow passage 41 to lubricate the first and second needle bearings 91, 92 and the like.

Specifically, as shown in fig. 1, the second oil flow passage 42 is provided with an oil flow inlet 422 at a second end of the inner input shaft 1 that faces away from the first end. While the lubricating oil flows from the oil flow inlet 422 into the second oil flow passage 42 and flows from the second end to the first end in the axial direction of the inner input shaft 1, part of the lubricating oil can flow from the transition hole 421 into the first oil flow passage 41 to lubricate the first and second needle bearings 91, 92, and the like in the first oil flow passage 41. When the lubricating oil flows to the first end of the second oil flow passage 42, it may flow out of the second oil flow passage 42 from the oil flow hole 51 and into the third oil flow passage 43 to lubricate the third needle bearing 93, the second thrust bearing 95, and the like.

Specifically, as shown in fig. 1, the transmission structure 100 further includes: an electric pump 6, the electric pump 6 being adapted to communicate with the oil flow inlet 422, the second oil flow passage 42 being mounted with a seal cylinder casing 423 at the oil flow inlet 422. The transmission further includes a transmission case 8, the transmission case 8 is sealed with the second oil flow passage 42 by a seal cylinder sleeve 423, and the electric pump 6 may be connected with the transmission case 8 by a connection pipe, so that the electric pump 6 can pump the lubricating oil into the second oil flow passage 42 through the transmission case 8.

Alternatively, as shown in fig. 1, the third oil flow passage 43 is provided with a windage tray 431 adapted to extend in the length direction of the third oil flow passage 43. The windage tray 431 can guide the lubricating oil in the third oil flow passage 43 to guide the lubrication in the third oil flow passage 43 to the pressing plates on the radially outer side of the clutch 3 to lubricate the pressing plates.

Alternatively, as shown in fig. 1, the fourth oil flow passage 44 is also communicated with the pressure plate of the clutch 3, so that the lubricating oil of the fourth oil flow passage 44 can lubricate the pressure plate, the radial outer end of the clutch 3 is provided with a third oil flow outlet 73, and after the lubricating oil of the fourth oil flow passage 44 is merged with the lubricating oil of the third oil flow passage 43 at the pressure plate, the lubricating oil and the lubricating oil can jointly flow out through the third oil flow outlet 73.

Alternatively, as shown in fig. 1, a first oil flow outlet 71 is formed at the junction of the inner input shaft 1 and the outer input shaft 2 on the side facing away from the clutch 3, the first oil flow outlet 71 communicating with the first oil flow passage 41. Part of the lubricating oil of the first oil flow passage 41 can flow out through the first oil flow outlet 71 and lubricate the joint of the inner input shaft 1 and the outer input shaft 2.

Alternatively, as shown in fig. 1, a second oil flow outlet 72 is formed between the outer input shaft 2 and the outer input shaft driven hub 31, and the second oil flow outlet 72 communicates with the fourth oil flow passage 44. Part of the lubricating oil of the fourth oil flow passage 44 can flow out through the second oil flow outlet 72 and lubricate the joint of the outer input shaft 2 and the outer input shaft driven hub 31.

The flow path of the lubricating oil of one embodiment of the present invention is described below.

As shown in fig. 1, the electric pump 6 pumps the lubricating oil into the second end of the second oil flow passage 42, the lubricating oil in the second oil flow passage 42 flows from the second end to the first end in the axial direction of the inner input shaft 1, and part of the lubricating oil can flow into the first oil flow passage 41 from the transition hole 421 to lubricate the first needle bearing 91, the second needle bearing 92, and the like in the first oil flow passage 41. Part of the lubricating oil of the first oil flow passage 41 can flow out through the first oil flow outlet 71 and lubricate the joint of the inner input shaft 1 and the outer input shaft 2. Another part of the lubricating oil of the first oil flow passage 41 can flow into the fourth oil flow passage 44 to lubricate the first thrust bearing 94 and the like supported between the inner input shaft driven hub 32 and the outer input shaft driven hub 31.

Then, part of the lubricating oil in the fourth oil flow passage 44 can flow out through the second oil flow outlet 72 and lubricate the joint of the outer input shaft 2 and the outer input shaft driven hub 31, and another part of the lubricating oil in the fourth oil flow passage 44 flows to the pressing plate in the radial direction of the clutch 3 to lubricate the pressing plate, and finally flows out of the third oil flow outlet 73.

When the lubricating oil flows to the first end of the second oil flow passage 42, it may flow out of the second oil flow passage 42 from the oil flow hole 51 and into the third oil flow passage 43 to lubricate the third needle bearing 93, the second thrust bearing 95, and the like. The lubricating oil in the third oil flow path 43 flows to the pressure plate in the radial direction of the clutch 3 to lubricate the pressure plate, and finally flows out of the third oil flow outlet 73.

In some embodiments, the lubricating oil may be other lubricating fluids.

The following describes a vehicle of an embodiment of the present invention.

The vehicle of the embodiment of the present invention is provided with the transmission structure 100 according to any one of the above embodiments of the present invention.

According to the utility model discloses vehicle, through setting up derailleur structure 100, prolonged the derailleur structure 100 life of vehicle, promoted and experienced with the car.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. A transmission structure characterized by comprising: the clutch is arranged at the first end of the inner input shaft penetrating out of the outer input shaft;

a first oil flow passage is formed between the inner input shaft and the outer input shaft, a second oil flow passage is formed in the inner input shaft in communication with the first oil flow passage, a third oil flow passage is formed between the clutch and the first end of the inner input shaft, and the first end of the inner input shaft has an oil flow hole adapted to communicate the second oil flow passage with the third oil flow passage.

2. The transmission structure according to claim 1, characterized in that the second oil flow passage has an opening at the first end toward the inner input shaft, the second oil flow passage is mounted with a throttle valve at the first end of the inner input shaft, and the oil flow hole is formed in the throttle valve.

3. The transmission structure according to claim 2, characterized in that the clutch includes: an outer input shaft driven hub adapted to be in sleeve engagement with the outer input shaft, an inner input shaft driven hub adapted to be in sleeve engagement with the inner input shaft, and a support cover adapted to be connected to an output of the transmission structure, wherein a fourth oil flow passage communicating with the first oil flow passage is formed between the outer input shaft driven hub and the inner input shaft driven hub, and the third oil flow passage is formed between the inner input shaft driven hub and the support cover.

4. The transmission structure according to claim 3, characterized in that the second oil flow passage extends in an axial direction of the inner input shaft having a radially disposed transition hole for communicating the first oil flow passage with the second oil flow passage.

5. The transmission structure according to claim 4, characterized in that the second oil flow passage is provided with an oil flow inlet at a second end of the inner input shaft that faces away from the first end.

6. The transmission structure according to claim 5, characterized by further comprising: an electric pump adapted to communicate with the oil flow inlet, the second oil flow passage having a seal cylinder liner mounted at the oil flow inlet.

7. The transmission structure according to claim 3, characterized in that the third oil flow passage is provided with a windage tray adapted to extend in a length direction of the third oil flow passage.

8. The transmission structure according to claim 1, characterized in that a connection of the inner input shaft and the outer input shaft at a side facing away from the clutch forms a first oil flow outlet port that communicates with the first oil flow passage.

9. The transmission structure according to claim 3, characterized in that a second oil flow outlet port is formed between the outer input shaft and the outer input shaft driven hub, the second oil flow outlet port communicating with the fourth oil flow passage.

10. A vehicle characterized by comprising a transmission arrangement according to any one of claims 1-9.

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