CN216069592U

CN216069592U - Power assembly and vehicle with same

Info

Publication number: CN216069592U
Application number: CN202122868011.XU
Authority: CN
Inventors: 王诗萌; 郭超; 张强
Original assignee: FAW Group Corp
Current assignee: FAW Group Corp
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-03-18
Anticipated expiration: 2031-11-22

Abstract

The utility model provides a power assembly and a vehicle with the same. The power assembly includes: an engine 1, the engine 1 having a first mounting portion 11; the gearbox 2 is provided with a second mounting part 12, and the first mounting part 11 is connected with the second mounting part 12 and encloses a mounting cavity; the dual-mass flywheel 3 is arranged in the mounting cavity; wherein, the side wall of the mounting cavity is provided with at least one through hole 4; and a sealing member 5, at least part of the sealing member 5 is arranged in the through hole 4 to seal the through hole 4. By applying the technical scheme of the utility model, the through hole on the gearbox shell is plugged by the sealing element 5, so that impurities such as water, dust and the like can be prevented from entering the dual-mass flywheel in the running process of a vehicle, the problem of failure of lubricating grease caused by impurity pollution is avoided, and the internal devices of the vehicle have longer service life.

Description

Power assembly and vehicle with same

Technical Field

The utility model relates to the technical field of vehicle design and manufacture, in particular to a power assembly and a vehicle with the same.

Background

On the current market, for the travelling comfort that improves the vehicle, more and more motorcycle types adopt dual mass flywheel, and dual mass flywheel is about to original flywheel and falls into two parts of primary quality and secondary quality, and two parts pass through elastic element and connect, use behind the dual mass flywheel, can make the torsional vibration and the gearbox isolation of bent axle, especially can filter the regional unbalance of low-speed, have promoted the NVH performance, have promoted the travelling comfort.

When the dual mass flywheel is installed in the space formed by the engine and the transmission housing, some holes are usually reserved for disassembling parts such as a sensor, an oil pan bolt and the like due to the consideration of maintenance and assembly convenience. When the automobile wades for a long time or the wading depth is large, the dual-mass flywheel inevitably enters moisture. Meanwhile, dust can enter the shell from the holes to pollute the lubricating grease of the dual-mass flywheel, so that the lubricating grease is ineffective, and internal elements of the dual-mass flywheel are easy to wear abnormally and generate abnormal sound, so that the service life of the dual-mass flywheel is prolonged.

At present, no good solution scheme is provided for solving the problem that lubricating grease fails due to impurities such as water inflow and dust of a dual-mass flywheel.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a power assembly and a vehicle with the same, and aims to solve the problem that impurities are easy to enter a dual-mass flywheel in the prior art.

To achieve the above object, according to one aspect of the present invention, a power unit is provided. The method comprises the following steps: an engine having a first mounting portion; the gearbox is provided with a second mounting part, and the first mounting part is connected with the second mounting part and enclosed into a mounting cavity; the dual-mass flywheel is arranged in the mounting cavity; wherein, the side wall of the mounting cavity is provided with at least one through hole; and at least part of the sealing element is arranged in the through hole to seal the through hole.

Further, the seal includes: the plug is positioned in the mounting cavity and provided with a first end close to the through hole and a second end far away from the through hole; the first end of linkage segment is connected with the first end of end cap, and the second end of linkage segment passes the through-hole and extends outside the installation cavity.

Further, the connection section includes: the first end of the first composition section is connected with the first end of the plug, and the first composition section is positioned in the through hole; the operation section is connected with the second end of the first component section, the operation section is located outside the installation cavity, and the outer diameter of the operation section is larger than that of the first component section.

Further, the end cap is of a columnar structure, a plurality of protrusions are arranged at the second end of the end cap and are arranged along the circumferential direction of the end cap, and gaps are formed between the adjacent protrusions.

Further, the height of at least one notch formed by the plurality of protrusions in the axial direction of the plug is set to be different from the height of the remaining notches in the axial direction of the plug.

Further, the outer diameter of the plug is larger than the inner diameter of the through hole.

Further, the material of the sealing member is EPDM material.

Further, the seal surface is coated with a lubricating substance.

Further, the sealing member is integrally formed.

According to another aspect of the present invention, there is provided a vehicle comprising a powertrain as described above.

By applying the technical scheme of the utility model, the through hole on the gearbox shell is plugged by the sealing element, so that impurities such as water, dust and the like can be prevented from entering the dual-mass flywheel in the running process of the vehicle, the problem of failure of lubricating grease caused by impurity pollution is avoided, and the internal devices of the vehicle have longer service life.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 shows a schematic structural view of an embodiment of a seal according to the present invention;

FIG. 2 shows a schematic structural diagram of a first embodiment of a powertrain according to the present invention;

FIG. 3 shows a schematic structural diagram of a second embodiment of a powertrain according to the present invention;

fig. 4 shows a schematic construction of a third embodiment of a drive train according to the utility model.

Wherein the figures include the following reference numerals:

1. an engine; 11. a first mounting portion;

2. a gearbox; 12. a second mounting portion;

3. a dual mass flywheel;

4. a through hole;

5. a seal member; 51. a plug; 511. a protrusion; 512. a notch; 52. a connecting section; 521. a first composition segment; 522. and (5) operating.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

Referring to fig. 1-4, a powertrain is provided according to an embodiment of the present application.

The power assembly comprises an engine 1, a gearbox 2, a dual-mass flywheel 3 and a sealing piece 5, wherein the engine 1 is provided with a first installation part 11, the gearbox 2 is provided with a second installation part 12, the first installation part 11 is connected with the second installation part 12 and is enclosed into an installation cavity, the dual-mass flywheel 3 is arranged in the installation cavity, at least one through hole 4 is formed in the side wall of the installation cavity, and at least part of the sealing piece 5 is arranged in the through hole 4 to seal the through hole 4.

In an exemplary embodiment, the sealing member 5 includes a plug 51 and a connecting section 52, the plug 51 is located in the installation cavity, the plug 51 has a first end close to the through hole 4 and a second end far from the through hole 4, the first end of the connecting section 52 is connected with the first end of the plug 51, and the second end of the connecting section 52 extends out of the installation cavity through the through hole 4. As shown in fig. 1, the plug 51 is located in the installation cavity, and can be used to plug the through hole 4 and prevent impurities from entering the installation cavity from the through hole 4, the second end of the connection section 52 passes through the through hole 4 and extends to the outside of the installation cavity, and can be used to prevent impurities from entering the through hole 4, and the part extending to the outside of the installation cavity can be used for manual operation, so that the manual disassembly and installation of the sealing element are facilitated.

In an exemplary embodiment, the connecting section 52 includes a first component section 521 and an operating section 522, a first end of the first component section 521 is connected with a first end of the plug 51, the first component section 521 is located in the through hole 4, the operating section 522 is connected with a second end of the first component section 521, the operating section 522 is located outside the installation cavity, and an outer diameter of the operating section 522 is larger than an outer diameter of the first component section 521. First component section 521 wears to locate in through-hole 4, and operation section 522 is located outside the installation cavity, and operation section 522 can be convenient for the staff and dismantle and install sealing member 5, and operation section 522's external diameter is greater than first component section 521 external diameter and can makes operation section 522 can not fall into in the through-hole 4 because of misoperation, and has the effect that prevents impurity such as dust, drop of water and get into through-hole 4.

In an exemplary embodiment, the plug 51 has a cylindrical structure, the second end of the plug 51 is provided with a plurality of protrusions 511, the plurality of protrusions 511 are arranged along the circumferential direction of the plug 51, and gaps 512 are formed between adjacent protrusions 511. Alternatively, as shown in fig. 1, in the embodiment of the present application, the second end of the plug 51 is provided with four protrusions 511 along the circumferential direction of the plug 51, four gaps 512 are formed between the four protrusions 511, the second end of the plug 51 is in a cross-shaped structure, so that the plug 51 can pass through the through hole 4 conveniently, the gaps 512 are arranged so that the plug 51 can tolerate casting deviation of the through hole 4 in the inner diameter, and when the deviation of the through hole 4 is large, the plug 51 can pass through the through hole 4 smoothly to achieve a good sealing effect.

In an exemplary embodiment, at least one of the gaps 512 formed by the plurality of protrusions 511 has a height in the axial direction of the plug 51 that is set differently from the heights of the remaining gaps 512 in the axial direction of the plug 51. Because the surface of the through hole 4 is a casting surface, the precision is low, in the process of sealing by using the sealing element 5, the interference magnitude required by the matching between the plug 51 and the through hole 4 is difficult to control, when the height of at least one notch 512 in the axial direction of the plug 51 is different from the height of the rest notches 512 in the axial direction of the plug 51, the sealing element 5 can tolerate the casting deviation of the through hole 4 in the depth, and when the deviation of the through hole 4 is large, the sealing element 5 can also play a good sealing role.

In an exemplary embodiment, the outer diameter of the plug 51 is greater than the inner diameter of the through-hole 4. The setting that the external diameter of end cap 51 is greater than the internal diameter of through-hole 4 can make end cap 51 pass through-hole 4 and get into the installation intracavity after, be difficult for falling out or deviating from through-hole 4, realizes end cap 51 and through-hole 4's interference fit, seals through-hole 4, prevents that outside drop of water, dust etc. from getting into.

In one exemplary embodiment, the material of the seal 5 is an EPDM material. The EPDM material is an ethylene propylene diene monomer material, has good wear resistance and elasticity, can more easily seal the through hole during operation, is convenient to install and disassemble, has good heat resistance and electrical insulation performance, and is not easy to damage a sealing element due to high temperature in the running process of a vehicle. In particular, in practical application, other materials with wear resistance, good elasticity and high temperature resistance can be adopted, and preferably, the materials can be rubber.

In an exemplary embodiment, the seal 5 is surface coated with a lubricating substance. The coating of the surface of the seal member 5 with a lubricating substance can reduce the problem of a large frictional force between the surface of the seal member 5 and the surface of the through-hole 4 caused by a low roughness of the casting surface of the through-hole 4 when the seal member is mounted, so that the seal member 5 can pass through the through-hole 4 more easily to seal the through-hole 4. In particular, in embodiments of the present application, the lubricious substance can be soapy water.

In one exemplary embodiment, the seal 5 is integrally formed. The manufacturing mode of integrated into one piece can make sealing member 5 easily process, realizes the mass production, reduction in production cost.

The through hole 4 is sealed by the sealing piece 5 of the adopted power assembly, so that the risk of water inflow, dust and sundries of the dual-mass flywheel can be reduced, and the lubrication failure of the dual-mass flywheel caused by the emulsification of lubricating grease in the dual-mass flywheel can be avoided, thereby reducing the abnormal wear of the dual-mass flywheel and prolonging the service life. The manufacturing difficulty of the sealing element 5 is lower, the structure setting of the installation cavity is not required to be changed, only the sealing element 5 is required to be added into the through hole 4 needing to be plugged, the manufacturing cost of the sealing element 5 is lower, the installation and the disassembly are convenient, the manual operation can realize repeated disassembly and assembly, and the follow-up maintenance of the dual-mass flywheel is convenient to realize.

According to another embodiment of the present application, a vehicle is provided that includes a powertrain as described above. The vehicle with the power assembly has good shock absorption and noise reduction performance, when the vehicle wades more water or enters more dust, the lubricating grease in the dual-mass flywheel is not influenced by the water and the dust, the dual-mass flywheel is not easy to wear, and the service life is longer.

According to another embodiment of the present application, there is provided an SUV (Sport Utility Vehicle) Vehicle having the power assembly of the above embodiment. Specifically, the power assembly includes that the power assembly includes engine 1, gearbox 2, dual mass flywheel 3 and sealing member 5, and engine 1 has first installation department 11, and gearbox 2 has second installation department 12, and first installation department 11 is connected with second installation department 12 and encloses and establish into the installation cavity, and dual mass flywheel 3 sets up in the installation cavity, and wherein, set up at least one through-hole 4 on the lateral wall of installation cavity, at least partial sealing member 5 sets up in through-hole 4 in order to block up through-hole 4.

In an exemplary embodiment, the sealing member 5 includes a plug 51 and a connecting section 52, the plug 51 is located in the installation cavity, the plug 51 has a first end close to the through hole 4 and a second end far from the through hole 4, the first end of the connecting section 52 is connected with the first end of the plug 51, and the second end of the connecting section 52 extends out of the installation cavity through the through hole 4.

In an exemplary embodiment, the connecting section 52 includes a first component section 521 and an operating section 522, a first end of the first component section 521 is connected with a first end of the plug 51, the first component section 521 is located in the through hole 4, the operating section 522 is connected with a second end of the first component section 521, the operating section 522 is located outside the installation cavity, and an outer diameter of the operating section 522 is larger than an outer diameter of the first component section 521.

In an exemplary embodiment, the second end of the plug 51 is provided with four protrusions 511 along the circumference of the plug 51, four gaps 512 are formed between the four protrusions 511, and the second end of the plug 51 has a cross-shaped structure.

In an exemplary embodiment, the height of two of the notches 512 in the axial direction of plug 51 is set differently than the height of the remaining notches 512 in the axial direction of plug 51.

In one exemplary embodiment, the material of the seal 5 is an EPDM material.

In an exemplary embodiment, the surface of the sealing member 5 is coated with soapy water.

In one exemplary embodiment, the seal 5 is integrally formed.

The SUV vehicle with the power assembly has good noise reduction, shock absorption and comfort, and when the vehicle wades into water in a large amount or enters into a large amount of dust, the lubricating grease in the dual-mass flywheel is not affected by the water and the dust, the dual-mass flywheel is not easily abraded, and the SUV vehicle has longer service life.

The power train in the above embodiment may also be applied to various Vehicle types such as MPV (Multi-Purpose Vehicle) vehicles, cars, and the like.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition to the foregoing, it should be noted that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the utility model to effect such feature, structure, or characteristic in connection with other embodiments.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A powertrain, comprising:

an engine (1), the engine (1) having a first mounting portion (11);

the gearbox (2) is provided with a second mounting part (12), and the first mounting part (11) is connected with the second mounting part (12) and encloses a mounting cavity;

the double-mass flywheel (3), the said double-mass flywheel (3) is set up in the said installation cavity;

wherein, the side wall of the mounting cavity is provided with at least one through hole (4);

a sealing element (5), wherein at least part of the sealing element (5) is arranged in the through hole (4) to seal the through hole (4).

2. A power assembly according to claim 1, characterized in that the seal (5) comprises:

the plug (51) is positioned in the mounting cavity, and the plug (51) is provided with a first end close to the through hole (4) and a second end far away from the through hole (4);

the first end of the connecting section (52) is connected with the first end of the plug (51), and the second end of the connecting section (52) penetrates through the through hole (4) and extends out of the mounting cavity.

3. The powertrain of claim 2, wherein the connecting section (52) includes:

a first component (521), wherein a first end of the first component (521) is connected with a first end of the plug (51), and the first component (521) is located in the through hole (4);

an operating section (522), the operating section (522) being connected to the second end of the first component section (521), the operating section (522) being located outside the mounting cavity, the operating section (522) having an outer diameter greater than the outer diameter of the first component section (521).

4. The powertrain according to claim 2, characterized in that the plug (51) is a cylindrical structure, the second end of the plug (51) is provided with a plurality of protrusions (511), the plurality of protrusions (511) are arranged along the circumferential direction of the plug (51), and a gap (512) is formed between adjacent protrusions (511).

5. The powertrain according to claim 4, characterized in that at least one of the indentations (512) formed by the plurality of protrusions (511) has a height in the axial direction of the plug (51) set differently from the heights of the remaining indentations (512) in the axial direction of the plug (51).

6. A drive assembly according to claim 4, wherein the outer diameter of the plug (51) is greater than the inner diameter of the through-hole (4).

7. A power assembly according to claim 1, characterized in that the material of the seal (5) is EPDM material.

8. A power assembly according to claim 1, characterized in that the surface of the seal (5) is coated with a lubricating substance.

9. A locomotion assembly according to any one of claims 1 to 8, characterized in that the sealing (5) is integrally formed.

10. A vehicle comprising a powertrain, characterized in that the powertrain is as claimed in any one of claims 1 to 9.