CN219428049U - Range extender assembly and automobile - Google Patents

Abstract

The application provides a range extender subassembly and car, this range extender subassembly include the sound-proof housing of range extender and shroud range extender, and the range extender includes high-pressure oil rail, high-pressure oil pump and sprayer, and the sound-proof housing cover is established at the top of range extender, and at least two of high-pressure oil rail, high-pressure oil pump and sprayer of sound-proof housing shroud. Through cover at the top of range extender subassembly and establish the sound-proof housing, can effectually make an uproar falls to the noise at range extender top. And the sound-proof housing covers at least two of the high-pressure oil rail, the high-pressure oil pump and the oil sprayer, and compared with the prior art, the sound-proof housing is independently provided with the high-pressure oil pump housing, the oil rail housing and the like for housing and providing sound insulation, so that the sound-proof housing has a more compact structure and is convenient to install.

Description

Range extender assembly and automobile

Technical Field

The application relates to the technical field of sound insulation structures, in particular to a range extender assembly and an automobile.

Background

With the continuous expansion of the market scale of new energy automobiles, the development of pure electric vehicles is only considered by an automobile enterprise in the early stage of vehicle type development, but the development is limited by the endurance mileage and the requirement of customers on long-distance vehicles, and Cheng Chexing is required to be developed and increased on the basis of the pure electric vehicles for part of vehicle types. When the development of the range-extending vehicle type is carried out subsequently, the shortage of cabin space can occur, the noise characteristic of the range-extending device is not considered by the acoustic package, the acoustic package of the front periphery of the whole vehicle is limited by mold opening and the like, and the problem of larger noise in the vehicle can occur; the development period of the acoustic treatment scheme of the front wall acoustic package and the cabin is greatly prolonged according to the development of the full new vehicle type.

Disclosure of Invention

For solving above-mentioned technical problem, this application provides a range extender subassembly and car, its sound proof housing compact structure, easy installation.

One aspect of the present application is: there is provided a range extender assembly comprising: the range extender comprises a high-pressure oil rail, a high-pressure oil pump and an oil sprayer; the sound-proof housing is arranged at the top of the range extender, and at least covers at least two of the high-pressure oil rail, the high-pressure oil pump and the oil sprayer.

Further, still include the connecting piece, the connecting piece is provided with first screw thread, range extender with the sound proof housing all is provided with the connecting hole, the connecting piece runs through the connecting hole, just first screw thread with range extender's connecting hole threaded connection.

Further, the sound insulation cover further comprises a gasket, wherein the gasket is connected with the connecting piece, and the gasket is abutted with the outer wall of the sound insulation cover.

Further, the gasket is provided with an elastic sheet, and the elastic sheet is arranged in a surrounding manner to form a clamping hole; the connecting piece is provided with second screw thread, the joint hole cover is established outside the second screw thread, just the shell fragment card is established in the thread groove of second external screw thread.

Further, the sound insulation cover is a PU bubble cap.

Further, the sound-proof housing cover is provided with a high-pressure oil pump groove and an oil sprayer groove, the high-pressure oil pump groove and the oil sprayer groove are formed by outwards sinking the inner wall surface of the sound-proof housing, and the high-pressure oil pump and the oil sprayer are partially accommodated in the high-pressure oil pump groove and the oil sprayer groove.

Further, the sound insulation cover comprises a main cover plate and a cover side plate, wherein the cover side plate is formed by extending at least one end edge of the main cover plate to one side, a spacing stop block is further arranged on the side surface of the cover side plate facing the main cover plate in a protruding mode, and the high-pressure oil pump groove and the oil sprayer groove are surrounded by the corresponding baffle, the main cover plate and the cover side plate; wherein the main cover plate covers the high-pressure oil rail.

Further, the main cover plate is also concavely provided with a groove, and the groove is concavely formed corresponding to the appearance of the range extender.

Further, the sound-proof housing is provided with an installation table, the installation table is formed by the outward recess of the inner wall surface of the sound-proof housing, and the gasket is arranged on the installation table.

In another aspect of the present application, an automobile is provided, the automobile including a cabin, the automobile further including the range extender assembly described above, the range extender assembly being housed in the cabin.

The beneficial effects of this application are: compared with the existing range extender assembly, the range extender assembly comprises a range extender and a sound-proof cover covering the range extender, the range extender comprises a high-pressure oil rail, a high-pressure oil pump and a fuel injector, the sound-proof cover is arranged at the top of the range extender, and the sound-proof cover covers at least two of the high-pressure oil rail, the high-pressure oil pump and the fuel injector. Through cover at the top of range extender subassembly and establish the sound-proof housing, can effectually make an uproar falls to the noise at range extender top. And the sound-proof housing covers at least two of the high-pressure oil rail, the high-pressure oil pump and the oil sprayer, and compared with the prior art, the sound-proof housing is independently provided with the high-pressure oil pump housing, the oil rail housing and the like for housing and providing sound insulation, so that the sound-proof housing has a more compact structure and is convenient to install.

Drawings

For a clearer description of the technical solutions in the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:

FIG. 1 is a schematic top view of a range extender assembly provided herein, the range extender assembly including a sound enclosure, a connector, and a gasket;

FIG. 2 is a schematic top view of the sound enclosure of FIG. 1;

FIG. 3 is a schematic perspective view of the sound-proof housing of FIG. 1;

FIG. 4 is a schematic perspective view of the connector of FIG. 1;

fig. 5 is a schematic perspective view of the gasket of fig. 1.

Detailed Description

The following description of the technical solutions in the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In the description of the embodiments of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the embodiments of the present application will be understood by those of ordinary skill in the art in a specific context.

In the examples herein, a first feature "on" or "under" a second feature may be either the first and second features in direct contact, or the first and second features in indirect contact via an intermediary, unless expressly stated and defined otherwise. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In one aspect of the present application, a range extender assembly 100 is provided. 1-2, FIG. 1 is a schematic top view of a range extender assembly provided herein, the range extender assembly including a sound enclosure, a connector, and a gasket; FIG. 2 is a schematic top view of the sound enclosure of FIG. 1;

fig. 3 is a schematic perspective view of the soundproof cover in fig. 1. The range extender assembly 100 includes a range extender 1 and a sound housing 2 covering the range extender 1.

The range extender 1 comprises a high-pressure oil rail, a high-pressure oil pump (not shown) and an oil injector. The sound-proof housing 2 covers the top of the range extender 1, and the sound-proof housing 2 covers at least two of the high-pressure oil rail, the high-pressure oil pump and the oil injector. That is, the soundproof cover 2 may cover two of the high-pressure oil rail, the high-pressure oil pump, and the fuel injector, or may cover the high-pressure oil rail, the high-pressure oil pump, and the fuel injector together, or may cover all the components on the top of the range extender 1. The noise at the top of the range extender 1 mainly originates from the radiation noise of the fuel supply system of the range extender 1 and the cylinder head cover. The noise source of the fuel supply system mainly comes from a high-pressure oil pump, an oil sprayer and a high-pressure oil rail. Therefore, the sound-proof cover 2 is covered on the top of the range extender assembly 100, so that noise on the top of the range extender 1 can be effectively reduced. And the sound-proof housing 2 covers at least two of the high-pressure oil rail, the high-pressure oil pump and the oil sprayer, and compared with the prior art, the sound-proof housing is characterized in that the high-pressure oil pump housing, the high-pressure oil rail housing and the like are independently adopted for housing and providing sound insulation, so that the sound-proof housing 2 is more compact in structure and convenient to install. And moreover, when the sound-proof housing 2 is used for covering, other parts at the top of the range extender 1 can be covered, and compared with the case of singly covering, the noise reduction effect can be effectively improved.

Therefore, in the range extender assembly 100 in the application, the sound insulation cover 2 is covered on the top of the range extender assembly 100, so that noise at the top of the range extender 1 can be effectively reduced. And the sound-proof housing 2 covers at least two of the high-pressure oil rail, the high-pressure oil pump and the oil sprayer, and compared with the prior art, the sound-proof housing is characterized in that the high-pressure oil pump housing, the high-pressure oil rail housing and the like are independently adopted for housing and sound insulation, so that the number of parts can be reduced, the structure of the sound-proof housing 2 is more compact, and the sound-proof housing is convenient to install. Particularly, when the range extender 1 is additionally arranged in a new energy automobile, the sound insulation cover 2 can be covered on the top of the range extender assembly 100, so that the acoustic package can be prevented from being redesigned, the cost is reduced, and the noise of the range extender 1 is effectively reduced; in addition, the range extender 1 is limited by the space of the engine room, and the sound-proof housing 2 at least covers at least two of the high-pressure oil rail, the high-pressure oil pump and the oil sprayer, so that the range extender 1 has a more compact structure, is convenient to install, and does not need to readjust the engine room space.

Referring to fig. 1, 2 and 4, fig. 4 is a schematic perspective view of the connecting member in fig. 1. In some embodiments, the range extender assembly 100 further comprises a connector 3, the connector 3 being provided with a first thread 31, the first thread 31 being an external thread. The range extender 1 and the sound insulation cover 2 are respectively provided with a connecting hole 21, the connecting piece 3 penetrates through the connecting holes 21, and the first threads 31 are in threaded connection with the connecting holes 21 of the range extender 1. I.e. the coupling hole 21 of the range extender 1 is provided with an internal thread, thereby coupling the sound insulation cover 2 and the range extender 1 together. It will be appreciated that the connector 3 may be a screw or a stud.

Referring to fig. 1, 2 and 5, fig. 5 is a schematic perspective view of the gasket in fig. 1. In order to make the connection of the connector 3 to the sound housing 2 after the range extender 1 is mounted more stable, in some embodiments, the range extender assembly 100 further includes a spacer 4, the spacer 4 is connected to the connector 3, and the spacer 4 abuts against the outer wall of the cover of the sound housing 2. It will be appreciated that the use of the spacer 4 increases the contact area between the connector 3 and the sound housing 2 and increases the friction between the two, thereby making the connection more secure.

In some embodiments, the connector 3 is provided with a second thread 32, it being understood that the connector 3 is a stud and that the first thread 31 and the second thread 32 are provided at opposite ends of the connector 3. After the connecting piece 3 penetrates through the sound-proof housing 2 and the connecting hole 21 of the range extender 1, the second screw thread 32 is exposed out of the sound-proof housing 2 and connected with the gasket 4. The gasket 4 is provided with a spring piece 41, and the spring piece 41 is arranged around to form a clamping hole 42. The clamping hole 42 of the connecting piece 3 is sleeved outside the second thread 32, and the elastic piece 41 is clamped in a thread groove of the second thread 32. The aperture of the clamping hole 42 formed by surrounding the elastic sheet 41 is larger than or equal to the inner diameter of the second thread 32 and smaller than the outer diameter of the second thread 32, so that when the gasket 4 is sleeved on the second thread 32, the elastic sheet 41 can elastically deform and can be optionally clamped in any thread groove of the second thread 32.

In some embodiments, the sound-proof housing 2 is a PU foam cap, i.e. the sound-proof housing 2 is made of PU foam. The PU foaming material is a sound insulation material commonly used in the prior art. It will be appreciated that when the sound-proof housing 2 is made of PU foam, the connection hole 21 provided in the sound-proof housing 2 is preferably a through hole, and the connection installation method of the stud and the gasket 4 is adopted, so that the sound-proof housing 2 can be prevented from being damaged, and the sound-proof housing 2 can be stably installed on the range extender 1.

It will also be appreciated that the connecting member 3 is further provided with a nut 33 adjacent to the second thread 32, the nut 33 cooperating with the connection hole 21 of the sound-proof housing 2 to stop and locate the mounting of the sound-proof housing 2 during the mounting of the sound-proof housing 2. The connecting piece 3 is provided with a stop piece 34 near the first thread 31, and the stop piece 34 can play a role in positioning the connection between the first thread 31 and the range extender 1, so that the connecting piece 3 is convenient to install.

In some embodiments, the sound-proof housing 2 is covered with a high-pressure oil pump groove 22 and an oil injector groove 23, the high-pressure oil pump groove 22 and the oil injector groove 23 are formed by the inner wall surface of the sound-proof housing 2 being recessed outwards, and the high-pressure oil pump and the oil injector are partially accommodated in the high-pressure oil pump groove 22 and the oil injector groove 23. That is, the shape of the soundproof cover 2 is set according to the shape of the part at the top of the range extender 1, so that the high-pressure oil pump and the oil injector are partially accommodated in the high-pressure oil pump groove 22 and the oil injector groove 23, whereby the occupation space thereof can be effectively reduced.

In some embodiments, the sound enclosure 2 cover includes a main cover panel 24 and a cover side panel 25. The main cover plate 24 is covered on the top of the high-pressure oil pump and the oil injector, and the cover side plate 25 is covered on the side of the high-pressure oil pump and the oil injector. Wherein, the shroud side plate 25 is formed by extending at least one end edge of the main cover plate 24 to one side, the side surface of the shroud side plate 25 facing the main cover plate 24 is also convexly provided with a spacing stop block 26, and the high-pressure oil pump groove 22 and the oil injector groove 23 are enclosed by the corresponding spacing stop block 26, the main cover plate 24 and the shroud side plate 25; wherein the main cover plate 24 covers the high pressure oil rail. That is, the soundproof cover 2 covers the high-pressure oil rail, the high-pressure oil pump, and the oil injector of the range extender 1, thereby making the soundproof cover 2 more compact in structure.

In some more specific embodiments, the main cover plate 24 is also concavely formed with a groove 27, the groove 27 being concavely formed corresponding to the profile of the range extender 1. That is, the inner surface of the sound-proof housing 2 arranged at the top is shaped according to the top structure of the range extender 1, and the outer surface can be flexibly processed according to the cabin space. Therefore, the space can be saved, the problem that the cabin arrangement space is limited is effectively solved, and the sound-proof housing 2 is better adapted to the range extender 1 and vehicle types with different specifications. It can be further understood that, because the sound-proof housing 2 also covers other components at the top of the range extender 1, for example, covers the cylinder cover, the high-pressure oil pump, the oil injector and the valve noise at the top of the cylinder cover can be reduced at the same time, and the noise reduction performance of the high-pressure oil pump, the oil injector and the valve noise at the top of the cylinder cover can be effectively improved. In addition, compared with the prior art, the top noise treatment measure of the range extender 1 is that a plastic cover is adopted at the top, measures such as sound absorption cotton are added below the plastic cover to reduce top noise radiation, and a single high-pressure oil pump cover and a single high-pressure oil rail cover are adopted to reduce noise of a fuel supply system, namely, the top noise of the range extender 1 is reduced through a plurality of parts of the plastic cover, the sound absorption cotton, the high-pressure oil pump cover and the high-pressure oil rail cover, and the number of parts can be effectively reduced through the integrated sound insulation cover 2, so that the installation is more convenient, and the cost is saved.

In some embodiments, the sound enclosure 2 is provided with a mounting table 28. The mounting base 28 is used for contacting with the gasket 4 to increase the contact area between the gasket 4 and the sound insulation cover 2. Particularly, when the inner surface of the sound-proof housing 2 is shaped according to the top structure of the range extender 1 and the outer surface can be flexibly processed according to the cabin space, the outer surface of the whole sound-proof housing 2 is an arc-shaped surface, and the connection stability of the sound-proof housing 2 cannot be ensured even if the gasket 4 is arranged. In order to save the space occupied by the soundproof cover 2 in the cabin as much as possible, the mounting table 28 is formed by recessing the inner wall surface of the soundproof cover 2 outward. Thus, the gasket 4 is arranged on the mounting table 28 and can be attached to the mounting table 28, so that the connection and mounting stability of the sound-proof housing 2 is greatly improved.

Another aspect of the present application provides an automobile comprising the range extender assembly 100 of any of the embodiments described above. The specific structure of the range extender assembly 100 is described in detail above, and will not be described herein. The automobile further includes a cabin within which the range extender assembly 100 is housed.

In the description of the present application, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, mechanism, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, mechanisms, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The foregoing is only the embodiments of the present application, and not the patent scope of the present application is limited by the foregoing description, but all equivalent structures or equivalent processes using the contents of the present application and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the patent protection scope of the present application.

Claims (10)

1. A range extender assembly, comprising:

the range extender comprises a high-pressure oil rail, a high-pressure oil pump and an oil sprayer;

the sound-proof housing is arranged at the top of the range extender, and at least covers at least two of the high-pressure oil rail, the high-pressure oil pump and the oil sprayer.

2. The range extender assembly of claim 1, further comprising a connector provided with a first thread, wherein the range extender and the sound enclosure are each provided with a connecting hole, wherein the connector extends through the connecting holes, and wherein the first thread is threadably connected to the connecting holes of the range extender.

3. The range extender assembly of claim 2, further comprising a spacer connected to the connector and abutting an outer wall of the soundproof cover.

4. The range extender assembly as claimed in claim 3, wherein,

the gasket is provided with an elastic sheet, and the elastic sheet is arranged in a surrounding manner to form a clamping hole;

the connecting piece is provided with second screw thread, the joint hole cover is established outside the second external screw thread, just the shell fragment card is established in the thread groove of second screw thread.

5. The range extender assembly as claimed in claim 1, wherein,

the sound insulation cover is a PU bubble cap.

6. The range extender assembly as claimed in any one of claims 1 to 5,

the sound-proof housing cover is provided with a high-pressure oil pump groove and an oil sprayer groove, the high-pressure oil pump groove and the oil sprayer groove are formed by outwards sinking the inner wall surface of the sound-proof housing, and the high-pressure oil pump and the oil sprayer are partially accommodated in the high-pressure oil pump groove and the oil sprayer groove.

7. The range extender assembly as recited in claim 6, wherein,

the sound insulation cover comprises a main cover plate and a cover side plate, wherein the cover side plate is formed by extending at least one end edge of the main cover plate to one side, a spacing stop block is further convexly arranged on the side surface of the cover side plate, which faces the main cover plate, and the high-pressure oil pump groove and the oil sprayer groove are surrounded by the corresponding spacing stop block, the main cover plate and the cover side plate; wherein the main cover plate covers the high-pressure oil rail.

8. The range extender assembly as recited in claim 7, wherein,

the main cover plate is also concavely provided with a groove, and the groove is concavely formed corresponding to the appearance of the range extender.

9. The range extender assembly as claimed in claim 3, wherein,

the sound-proof housing is provided with the mount table, the mount table by the outwards sunken formation of sound-proof housing inner wall surface, the gasket sets up on the mount table.

10. An automobile comprising a cabin, characterized in that it further comprises a range extender assembly according to any one of the preceding claims 1-9, said range extender assembly being housed within said cabin.