CN214492791U - Vehicle bushing and vehicle - Google Patents

Abstract

The utility model discloses a bush and vehicle of vehicle, the bush of vehicle is connected between the front end module and the front end frame of vehicle, and the bush of vehicle includes: the mounting hole is injectd to the bush body, and the internal surface of mounting hole is equipped with bearing structure, and bearing structure protrusion in internal surface towards the mounting hole. From this, through the internal surface at the mounting hole of bush body set up the bearing structure of protrusion in the internal surface in the mounting hole towards, on the basis that satisfies the restraint of bush and support function, can guarantee to have certain design clearance between front end module and the front end frame, can attenuate the engine and pass through the vibration that front end module transmitted to front end frame to can improve the NVH performance of vehicle, and then can improve driver and passenger's travelling comfort.

Description

Vehicle bushing and vehicle

Technical Field

The present invention relates to the field of vehicles, and more particularly, to a bushing for a vehicle and a vehicle having the same.

Background

In the correlation technique, the front end module of vehicle passes through the pipeline and the pencil establishes the relation with the engine, the engine is when the operation, the vibration that the engine produced can transmit to the front end frame through the front end module, automobile body and driver's cabin, can influence the driving comfort of vehicle, and the design clearance between front end module and the front end frame structure can't be guaranteed to the bush structure between the front end module of vehicle and the front end frame structure, can lead to appearing clearance undersize or interference fit's the condition, thereby the bush structure can't play better vibration isolation effect.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide a bushing for a vehicle, which can attenuate the vibration of an engine transmitted to a front end frame, a vehicle body and a cab through a front end module, so as to improve the NVH performance of the vehicle, and further improve the driving comfort of the vehicle.

The utility model discloses a vehicle is further proposed.

According to the utility model discloses a bush of vehicle, the bush is connected between the front end module and the front end frame of vehicle, the bush of vehicle includes: the bushing comprises a bushing body, wherein the bushing body limits a mounting hole, a supporting structure is arranged on the inner surface of the mounting hole, and the supporting structure protrudes out of the inner surface towards the inside of the mounting hole.

According to the utility model discloses a bush of vehicle, internal surface through the mounting hole at the bush body sets up the bearing structure of protrusion in the internal surface in the mounting hole towards, on the basis of satisfying the restraint of bush and support function, can guarantee to have certain design clearance between front end module and the front end frame, can attenuate the engine and pass through the front end module and transmit to front end frame, the vibration of automobile body and driver's cabin to can improve the NVH performance of vehicle, and then can improve driver and passenger's travelling comfort.

In some examples of the invention, the support structure extends in an axial direction of the bushing.

In some examples of the present invention, the support structure is a plurality of support structures spaced apart in a circumferential direction of the mounting hole.

In some examples of the invention, the support structure has a first surface, a second surface and a third surface connected in sequence in a circumferential direction of the support structure, the second surface being connected with the inner surface of the mounting hole.

In some examples of the invention, the first surface and the third surface are both configured as arcuate surfaces.

In some examples of the invention, the first surface and the third surface are both recessed towards the support structure interior.

In some examples of the present invention, the at least one end cap of the bushing body is provided with a flange, and the flange is provided with a boss structure.

In some examples of the present invention, the boss structure is provided in a plurality of spaced-apart circumferential directions of the flange.

In some examples of the invention, the flange is provided with an installation portion, the boss structure is provided with the installation portion.

According to the utility model discloses a vehicle, including foretell vehicle's bush.

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 bottom view of a bushing according to an embodiment of the present invention;

fig. 2 is an isometric view of a bushing according to an embodiment of the present invention;

fig. 3 is a side view of a bushing according to an embodiment of the invention;

fig. 4 is a side view of a bushing according to an embodiment of the invention;

fig. 5 is a top view of a bushing according to an embodiment of the present invention;

FIG. 6 is a graph comparing idle turn on air conditioning vibration spectra for a vehicle according to an embodiment of the present invention;

fig. 7 is a graph comparing frequency response functions of a vehicle according to an embodiment of the present invention.

Reference numerals:

a bushing 100;

a bushing body 10; a mounting hole 11; a support structure 12; a first surface 13; a third surface 14;

a flange 20; a boss structure 21; a mounting portion 22.

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 only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Referring now to fig. 1-7, a bushing 100 for a vehicle according to an embodiment of the present invention is described, the bushing 100 being connectable between a front end module and a front end frame of the vehicle.

As shown in fig. 1 to 7, a bushing 100 according to an embodiment of the present invention includes: the bushing comprises a bushing body 10, the bushing body 10 defines a mounting hole 11, the inner surface of the mounting hole 11 is provided with a support structure 12, and the support structure 12 protrudes towards the inside of the mounting hole 11 and is larger than the inner surface of the mounting hole 11. It should be noted that the bushing body 10 may be made of rubber, the mounting hole 11 is defined by the bushing body 10, the mounting hole 11 may be formed by machining, the supporting structure 12 is disposed on an inner surface of the mounting hole 11, and the supporting structure 12 protrudes from the inner surface toward the axial direction of the bushing body 10.

Wherein, the front end module can include parts such as condenser, radiator and cooling fan, the front end module can with the engine, derailleur and air conditioning system carry out the heat exchange, the front end module can be connected with the power assembly and the compressor of vehicle through heat dissipation water pipe, air conditioner high-low pressure pipe and pencil isotructure, the front end module can be connected with the front end frame, the front end frame can be connected with the automobile body bolted connection of vehicle, consequently, the vibration that produces when the engine operation can loop through the front end module, front end frame transmits to automobile body and driver's cabin, simultaneously, the cooling fan of front end module also can produce the vibration at the during operation, thereby can influence the driving comfort of vehicle.

The application is characterized in that a bushing 100 is sleeved on the outer side of a mounting pipe column of a front end module of a vehicle, namely the mounting pipe column is mounted in a mounting hole 11, the front end module is clamped on a front end frame of the vehicle through the bushing 100 sleeved on the outer side of the mounting pipe column, a supporting structure 12 protruding out of the inner surface is arranged on the inner surface of a bushing body 10, a gap can be formed between the mounting pipe column and the inner surface of the bushing body 10 through the supporting structure 12 and the support of the mounting pipe column, and a certain designed gap can be ensured between the front end module and the front end frame in the X direction (namely the length direction of the vehicle) of the vehicle, so that the Vibration of an engine transmitted to the front end frame, a vehicle body and a cab through the front end module can be attenuated, the Noise generated by the Vibration can be reduced, and the NVH (Noise, Vibration, Harshness, Vibration and acoustic Vibration roughness) performance of the vehicle can be improved, and the comfort of the driver and passengers can be improved.

From this, through the internal surface at mounting hole 11 of bush body 10 set up towards mounting hole 11 in the protruding bearing structure 12 in internal surface, on the basis that satisfies the restraint of bush 100 and support function, can guarantee to have certain design clearance between front end module and the front end frame, can attenuate the engine and pass through the vibration that front end module transmitted to front end frame, automobile body and driver's cabin to can improve the NVH performance of vehicle, and then can improve passenger's travelling comfort.

In some embodiments of the present invention, as shown in fig. 2, the supporting structure 12 may extend in the axial direction of the bushing 100, and it should be explained that the supporting structure 12 may be disposed on the inner surface of the mounting hole 11, and in the up-down direction shown in fig. 2, the supporting structure 12 may extend in the up-down direction, so that the bushing 100 may be firmly disposed together with the mounting pipe string, and the constraint and supporting functions of the bushing 100 may be satisfied.

In some embodiments of the utility model, as shown in fig. 1, fig. 2 and fig. 5, bearing structure 12 can set up to a plurality ofly, a plurality of bearing structure 12 can be at the spaced apart setting of circumference of mounting hole 11, furthermore, at the circumference direction of mounting hole 11, a plurality of bearing structure 12 can be in proper order evenly spaced apart the setting, so set up can with bush 100 firm, reliable cover establish the outside at the installation tubular column, and, can guarantee to have certain design clearance between bush 100 and the installation tubular column, thereby can further attenuate the engine and pass through front end module transmission to front end frame, the vibration of automobile body and driver's cabin, thereby can further improve the NVH performance of vehicle, and then can further improve passenger's travelling comfort.

In some embodiments of the present invention, as shown in fig. 1, 2 and 5, in the circumferential direction of the supporting structure 12, the supporting structure 12 may have a first surface 13, a second surface and a third surface 14 which are connected in sequence, the second surface may be connected with the inner surface of the mounting hole 11, it should be noted that the supporting structure 12 may have a first surface 13, a second surface and a third surface 14, and the first surface 13, the second surface and the third surface 14 are connected in sequence in the circumferential direction of the supporting structure 12, specifically, both sides of the second surface may be connected with the first surface 13 and the third surface 14 respectively, and the second surface may be connected with the inner surface of the mounting hole 11, preferably, the second surface may be integrally formed with the inner surface of the mounting hole 11, the number of the supporting structures 12 may be set to be plural, and each of the supporting structures 12 may have a first surface 13, a second surface 13, a third surface 14 which are connected in sequence, The second surface and the third surface 14, in the circumferential direction of the mounting hole 11, a plurality of support structures 12 are sequentially connected in the circumferential direction of the mounting hole 11, that is, two adjacent support structures 12 can be connected, further, the first surface 13 of a support structure 12 can be connected with the third surface 14 of an adjacent support structure 12, and the third surface 14 of a support structure 12 can be connected with the first surface 13 of another adjacent support structure 12, so that the arrangement can make the arrangement form of the support structures 12 suitable, and the support structures 12 can be reliably supported between the mounting pipe column and the inner surface of the mounting hole 11, thereby ensuring that the inner surface of the mounting hole 11 has a certain gap with the mounting pipe column.

In some embodiments of the present invention, as shown in fig. 1, 2 and 5, the first surface 13 and the third surface 14 may be configured as arc-shaped surfaces, wherein the first surface 13 and the third surface 14 of each supporting structure 12 may be configured as arc-shaped surfaces, and preferably, the first surface 13 and the third surface 14 of each supporting structure 12 may be configured as arc-shaped surfaces with the same radian, so that the manufacturing difficulty of the bushing 100 may be reduced, and the production efficiency of the bushing 100 may be improved.

In some embodiments of the present invention, as shown in fig. 1, fig. 2 and fig. 5, the first surface 13 and the third surface 14 may be recessed toward the inside of the supporting structure 12, and it should be explained that the first surface 13 and the third surface 14 of each supporting structure 12 may be recessed toward the inside of the supporting structure 12, and the first surface 13 and the third surface 14 of two adjacent supporting structures 12 may be smoothly connected, so that the structural strength of the supporting structure 12 can be improved, and the supporting structure 12 can be prevented from being crushed, thereby better ensuring that the inner surface of the installation hole 11 has a certain gap with the installation pipe column.

Preferably, the plurality of support structures 12 and the liner sleeve body 10 may be constructed as an integrally formed member having a good structural strength, so that the connection reliability of the liner sleeve body 10 and the plurality of support structures 12 can be improved, and the plurality of support structures 12 and the liner sleeve body 10 can be prevented from being separated, thereby ensuring the installation reliability of the liner sleeve 100 and the installation string.

As an embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 5, the number of the supporting structures 12 may be set to 8, 8 supporting structures 12 may be spaced apart from each other in the circumferential direction of the mounting hole 11, and adjacent supporting structures 12 may be connected, specifically, between adjacent supporting structures 12, the first surface 13 of one supporting structure 12 may be connected to the third surface 14 of another supporting structure 12, but the present invention is not limited thereto, and the number of the supporting structures 12 may be adjusted according to actual requirements.

In some embodiments of the present invention, as shown in fig. 1-5, at least one end of the bushing body 10 may be sleeved with a flange 20, and the flange 20 may be provided with a boss structure 21. It should be noted that the flange 20 may be sleeved at one end of the bushing body 10, one end of the boss structure 21 may be connected to the flange 20, and the other end of the boss structure 21 may be extended toward a direction away from the flange 20, for example, in an up-down direction shown in fig. 2, the upper end of the bushing body 10 may be sleeved with the flange 20, the lower end of the boss structure 21 may be connected to the flange 20, the upper end of the boss structure 21 may be extended toward an upper side, and further, one end of the boss structure 21 away from the flange 20 may be abutted to a metal frame of the front module, and the installation pipe column may be disposed on the metal frame. During engine idling, the rigid body mode of the front end module of the vehicle is close to the second-order frequency of the engine idling, and the rigid body mode and the engine idling are easy to generate resonance to amplify vibration. Through setting up boss structure 21, can guarantee that front end module and front end frame have certain design clearance between the Z direction of vehicle (being the direction of height of vehicle promptly), can improve the restraint state of front end module, make the rigid body modal frequency of front end module skew, thereby can make the rigid body modal frequency of front end module stagger with the second order frequency that engine idle speed is used commonly the rotational speed to correspond, can avoid front end module and engine to produce resonance, thereby can improve the NVH performance of vehicle when engine idle state.

In some embodiments of the present invention, as shown in fig. 1 to 4, the boss structure 21 may be provided in plural, and the plural boss structures 21 may be sequentially spaced apart in the circumferential direction of the flange 20, that is, in the circumferential direction of the flange 20, the plural boss structures 21 may be sequentially and uniformly spaced apart, it should be noted that each flange 20 may be provided with the plural boss structures 21, for example, the number of the boss structures 21 may be set to 6, and the 6 boss structures 21 may be sequentially and uniformly spaced apart in the circumferential direction of the flange 20, that is, the interval between each boss structure 21 and the adjacent boss structure 21 is 60 °, so configured to further ensure that the front end module and the front end frame have a certain design gap in the Z direction of the vehicle, and further improve the constraint state of the front end module, so as to shift the rigid body modal frequency of the front end module, therefore, the rigid body modal frequency of the front end module can be staggered with the second-order frequency corresponding to the common idle speed of the engine, resonance between the front end module and the engine can be further avoided, and the NVH performance of the vehicle in the idle state of the engine can be further improved. However, the present invention is not limited to this, and the number of the boss structures 21 can be adjusted according to actual needs.

In some embodiments of the present invention, as shown in fig. 1 and fig. 2, the flange 20 may be provided with an installation portion 22, the boss structure 21 may be disposed on the installation portion 22, it should be explained that the number of the boss structure 21 may be set to be plural, the number of the installation portion 22 may also be set to be plural, specifically, the number of the installation portion 22 may be set to be the same as the number of the boss structure 21, the plurality of boss structures 21 and the plurality of installation portions 22 are set in one-to-one correspondence, preferably, the boss structure 21 and the flange 20 may be configured as an integrated piece, further, the flange 20 and the bushing body 10 may also be configured as an integrated piece, so that the structural strength of the bushing 100 may be high, thereby the reliability of the bushing 100 may be ensured, and the development of the mold may also be reduced, and the production cost of the bushing 100 may be reduced.

Further, as shown in fig. 6 and 7, fig. 6 is a graph of measured data comparing vibration spectra of idle-time air-conditioning of a vehicle, in which a line "Xin" indicates an in-vehicle steering wheel vibration curve after using the bush 100 of the present application, and a line "You" indicates an in-vehicle steering wheel vibration curve without using the bush 100 of the present application, and it is apparent from fig. 6 that the in-vehicle steering wheel vibration is significantly reduced after using the bush 100 of the present application. Fig. 7 is a comparison graph of vehicle frequency response function, in which the line "Xin" represents the Z-direction rigid body mode of the front end module after using the bush 100 of the present application, and the line "You" represents the Z-direction rigid body mode of the front end module without using the bush 100 of the present application, and it is apparent from fig. 7 that the Z-direction rigid body mode of the front end module after using the bush 100 of the present application is reduced from 27Hz to 25Hz, and can be shifted from the second-order frequency (27Hz) of the idle-start air-conditioning engine.

According to the utility model discloses a vehicle, including the bush 100 of above-mentioned embodiment, bush 100 can overlap and establish on the installation tubular column of front end module, preferably, bush 100 can overlap and establish on the installation tubular column on front end module upper portion, but the utility model discloses be not limited to this, bush 100 also can overlap and establish on all installation tubular columns of front end module, through the internal surface setting at the mounting hole 11 of bush body 10 towards the bearing structure 12 that is protruding in the internal surface in mounting hole 11, on the basis that satisfies the restraint of bush 100 and support function, can guarantee to have certain design clearance between front end module and the front end frame, can attenuate the engine and pass through the vibration that front end module transmitted to front end frame, automobile body and driver's cabin to can improve the NVH performance of vehicle, and then can improve passenger's travelling comfort.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and 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 therefore, should not be construed as limiting the present invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.

In the description of the present invention, "a plurality" means two or more.

In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.

In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 present invention. In this specification, the schematic representations of the terms used above do not necessarily 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.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A bushing (100) for a vehicle, the bushing (100) being connected between a front end module and a front end frame of the vehicle, comprising:

the bushing comprises a bushing body (10), the bushing body (10) defines a mounting hole (11), the inner surface of the mounting hole (11) is provided with a support structure (12), and the support structure (12) protrudes towards the inner surface of the mounting hole (11).

2. The bushing (100) of a vehicle according to claim 1, characterized in that said support structure (12) extends in an axial direction of said bushing (100).

3. The bushing (100) of a vehicle according to claim 1, characterized in that said supporting structure (12) is plural, said plural supporting structures (12) being spaced apart in a circumferential direction of said mounting hole (11).

4. The bushing (100) of a vehicle according to claim 1, characterized in that, in the circumferential direction of said supporting structure (12), said supporting structure (12) has a first surface (13), a second surface and a third surface (14) connected in sequence, said second surface being connected with said inner surface of said mounting hole (11).

5. The bushing (100) of a vehicle according to claim 4, characterized in that said first surface (13) and said third surface (14) are each configured as an arc profile.

6. The bushing (100) of a vehicle according to claim 5, characterized in that said first surface (13) and said third surface (14) are both recessed towards the inside of said supporting structure (12).

7. The bushing (100) of a vehicle according to claim 1, characterized in that at least one end of the bushing body (10) is sleeved with a flange (20), the flange (20) being provided with a boss structure (21).

8. The bushing (100) of a vehicle according to claim 7, wherein said boss structure (21) is provided in plurality, and said boss structures (21) are sequentially spaced in a circumferential direction of said flange (20).

9. The bushing (100) of a vehicle according to claim 7, wherein said flange (20) is provided with a mounting portion (22), said boss structure (21) being provided at said mounting portion (22).

10. A vehicle, characterized in that it comprises a lining (100) of a vehicle according to any one of claims 1-9.

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