CN217994135U - Vibration isolation lug, exhaust suspension system and vehicle - Google Patents

Abstract

The utility model provides a vibration isolation lug, exhaust suspension system and vehicle. The vibration isolation lug includes the lug body of being made by elastic material, and first mounting hole and second mounting hole are seted up to lug body interval, and the relative both sides of lug body are all run through along the thickness direction of lug body in first mounting hole and second mounting hole to be used for wearing to establish first lifting hook and second lifting hook respectively. The inner wall of the first mounting hole is provided with a plurality of first protruding structures at intervals along the circumferential direction, and when the first lifting hook shakes relative to the lifting lug body, the outer wall of the part, penetrating through the first mounting hole, of the first lifting hook is in contact with part of the first protruding structures; and/or the inner wall of the second mounting hole is provided with a plurality of second protruding structures at intervals along the circumferential direction, and when the second lifting hook shakes relative to the lifting lug body, the second lifting hook penetrates through the outer wall of the part in the second mounting hole and contacts with part of the second protruding structures. The vibration isolation lifting lug can reduce or even avoid impact abnormal sound generated by mutual contact of at least one lifting hook and the corresponding mounting hole.

Description

Vibration isolation lug, exhaust suspension system and vehicle

Technical Field

The utility model belongs to the technical field of the vehicle manufacturing, especially, relate to a vibration isolation lug, exhaust suspension system and vehicle.

Background

The exhaust suspension system of the vehicle consists of an active lifting hook, a passive lifting hook and a vibration isolation lifting lug. Generally, the active lifting hook is arranged on a chassis of the vehicle, the passive lifting hook is arranged on an exhaust pipe of the vehicle, and the vibration isolation lifting lug is provided with two mounting holes which are respectively used for penetrating the active lifting hook and the passive lifting hook, so that the exhaust pipe is connected with the chassis to isolate the vibration excitation of an exhaust system and optimize the NVH performance of the vehicle.

However, in the prior art, the outer wall of any lifting hook and the inner wall of any mounting hole of the vibration isolation lifting lug are both annular curved surfaces, and when a vehicle runs through a bumpy road surface and the lifting hook largely shakes relative to the vibration isolation lifting lug, surface-to-surface contact is likely to occur between the outer wall of the lifting hook and the inner wall of the mounting hole of the vibration isolation lifting lug, so that impact abnormal sound is generated. Such an impact abnormal sound is easily perceived by a user seated in the vehicle, and a bad seating experience is brought to the user seated.

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, the utility model provides a vibration isolation lug, exhaust suspension system and vehicle, the vibration isolation lug can reduce or even avoid at least one lifting hook and the striking abnormal sound that the mounting hole that corresponds produced of mutual contact, promotes the sound quality of vehicle, brings good the experience of taking for taking the user.

In order to achieve the above object, in a first aspect, the present invention provides a vibration isolation lug, including a lug body made of an elastic material, wherein the lug body is provided with a first mounting hole and a second mounting hole at intervals, the first mounting hole and the second mounting hole both penetrate through opposite sides of the lug body along a thickness direction of the lug body, and the first mounting hole and the second mounting hole are respectively used for penetrating a first hook and a second hook;

the inner wall of the first mounting hole is circumferentially provided with a plurality of first protruding structures at intervals, and when the first lifting hook shakes relative to the lifting lug body, the first lifting hook penetrates through the outer wall of the part, in the first mounting hole, of the first mounting hole and contacts with part of the first protruding structures; and/or a plurality of second protruding structures are arranged on the inner wall of the second mounting hole at intervals along the circumferential direction, and when the second lifting hook shakes relative to the lifting lug body, the second lifting hook penetrates through the outer wall of the part in the second mounting hole and contacts with part of the second protruding structures.

In one embodiment, the inner wall of the first mounting hole is provided with the plurality of first protruding structures; first protruding structure includes follows the first strip protruding of the axial extension of first mounting hole, the bellied perpendicular to extending direction's of first strip cross-sectional shape is one of them in semi-circle, semi-ellipse, triangle-shaped, rectangle and the trapezoidal, and/or, first protruding structure includes follows the axial interval distribution's of first mounting hole a plurality of first point form is protruding, first point form is protruding one of them in hemisphere bump, semi-ellipsoid shape bump and the rectangle shape bump.

In one embodiment, the inner wall of the second mounting hole is provided with the plurality of second protruding structures; the second protrusion structure comprises a second strip-shaped protrusion extending along the axial direction of the second mounting hole, the cross section of the second strip-shaped protrusion perpendicular to the extending direction is in one shape of a semicircle, a semi-ellipse, a triangle, a rectangle and a trapezoid, and/or the second protrusion structure comprises a plurality of second point-shaped protrusions distributed at intervals along the axial direction of the second mounting hole, and the second point-shaped protrusions are one of hemispherical bumps, semi-ellipsoidal bumps and rectangular bumps.

In an embodiment, the lifting lug body is provided with a buffer hole between the first mounting hole and the second mounting hole.

In one embodiment, a first vibration reduction boss is arranged between the buffer hole and the first mounting hole in a protruding mode, a second vibration reduction boss is arranged between the buffer hole and the second mounting hole in a protruding mode, and at least part of the first vibration reduction boss is opposite to at least part of the second vibration reduction boss.

In one embodiment, a plurality of third protrusion structures are arranged at intervals on the part of the first vibration reduction boss, which faces the second vibration reduction boss, facing the second vibration reduction boss, and/or a plurality of fourth protrusion structures are arranged at intervals on the part of the second vibration reduction boss, which faces the first vibration reduction boss, facing the first vibration reduction boss;

when the lifting lug body is elastically deformed until the first vibration reduction boss is in contact with the second vibration reduction boss, the third protrusion structures are in contact with the part of the second vibration reduction boss opposite to the third protrusion structures, and/or the fourth protrusion structures are in contact with the part of the first vibration reduction boss opposite to the fourth protrusion structures.

In one embodiment, the first vibration reduction boss is provided with the plurality of third protrusion structures; the plurality of third protrusion structures comprise a plurality of third protrusions, each third protrusion extends along a first direction, the plurality of third protrusions are arranged at intervals along a second direction, the first direction is different from the second direction, the cross section of each third protrusion perpendicular to the extending direction is in the shape of one of a semicircle, a semi-ellipse, a triangle, a rectangle and a trapezoid, and/or the plurality of third protrusion structures comprise a plurality of third protrusion structures distributed in an array, and each third protrusion structure is one of a hemispherical bump, a semi-ellipsoidal bump and a rectangular bump.

In one embodiment, the second vibration reduction boss is provided with the plurality of fourth protrusion structures; the plurality of fourth protruding structures comprise a plurality of fourth protruding structures, each fourth protruding structure extends along the first direction, the plurality of fourth protruding structures are arranged at intervals along the second direction, the first direction is different from the second direction, the cross section of the fourth protruding structure perpendicular to the extending direction is in one of a semi-circle shape, a semi-ellipse shape, a triangle shape, a rectangle shape and a trapezoid shape, and/or the plurality of fourth protruding structures comprise a plurality of fourth protruding structures distributed in an array shape, and each fourth protruding structure is one of a hemispherical protruding point, a semi-ellipsoidal protruding point and a rectangular protruding point.

In a second aspect, the present invention provides an exhaust suspension system, including first lifting hook and second lifting hook, first lifting hook is used for connecting the automobile body, the second lifting hook is used for connecting exhaust system, exhaust suspension system still includes as above arbitrary embodiment the vibration isolation lug.

In a third aspect, the present invention provides a vehicle comprising an exhaust suspension system as described above.

Compared with the prior art, the utility model discloses the beneficial effect who has does: offer the first mounting hole and the second mounting hole that are used for wearing to establish first lifting hook and second lifting hook respectively on the lug body of vibration isolation lug, set up a plurality of protruding structures through the inner wall at least one mounting hole along the circumference interval, can reduce the area of contact between at least one lifting hook and the mounting hole that corresponds to reduce or even avoid at least one lifting hook and the mutual striking abnormal sound that contacts production of corresponding mounting hole, can promote the sound quality of vehicle, bring good riding experience for the user of taking.

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

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an exhaust suspension system according to an embodiment of the present invention.

Fig. 2 is a perspective view of the vibration-isolating lifting lug shown in fig. 1.

Fig. 3 is a front schematic view of the vibration-isolating lifting lug of fig. 2.

Fig. 4 is an enlarged schematic view of the portion IV shown in fig. 3.

Fig. 5 is a cross-sectional view taken along the direction V-V shown in fig. 3.

Fig. 6 is a sectional view taken along VI-VI in fig. 3.

Fig. 7 is a cross-sectional view of an isolation mounting lug in another embodiment.

Fig. 8 is a cross-sectional view of a vibration isolating lifting lug in a further embodiment.

Description of the main element symbols:

first hook 1

Second hook 2

Vibration isolation lifting lug 3

Shackle body 10

First mounting hole 101

Second mounting hole 102

Buffer hole 103

First vibration-damping boss 104

Second damping boss 105

First convex structure 1011

Second bump structure 1021

Third bump structure 1041

Fourth bump structure 1051

Thickness direction A

Length direction B

Width direction C

The following detailed description of the invention will be further described with reference to the accompanying drawings.

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 to fig. 1, the present invention provides an exhaust suspension system for a vehicle, which includes a first hook 1, a second hook 2 and a vibration isolation lifting lug 3. The first hook 1 is used for connecting a vehicle body (not shown), the second hook 2 is used for connecting an exhaust system (not shown), and the vibration isolation lifting lug 3 is used for penetrating and installing the first hook 1 and the second hook 2, so that the exhaust system and the vehicle body are connected. The vibration isolation lifting lugs 3 can isolate vibration excitation of the exhaust system relative to the vehicle body so as to optimize the NVH performance of the vehicle. It should be noted that, in the embodiment of the present invention, the connection mode between the first hook 1 and the vehicle body (for example, the chassis of the vehicle) and the connection mode between the second hook 2 and the exhaust system (for example, the exhaust pipe) may adopt, but are not limited to, welding, riveting, screwing, and fastening, and the first hook 1 and the second hook 2 may be any existing hook, including, but not limited to, the L-shaped hook shown in fig. 1, which is not limited thereto.

Referring to fig. 2 to 5, the vibration isolation lifting lug 3 includes a lifting lug body 10 made of an elastic material, and the lifting lug body 10 is provided with a first mounting hole 101 and a second mounting hole 102 at an interval. The elastic material is not limited to rubber or silicone, and the cross-sectional shapes (i.e., the cross-sectional shapes perpendicular to the axial direction) of the first mounting hole 101 and the second mounting hole 102 are not limited to circular or elliptical shapes. In the example of fig. 2 to 5, the shackle body 10 is made of a rubber material with good heat resistance and wear resistance, and the cross sections of the first mounting hole 101 and the second mounting hole 102 are both circular, so that the shackle is convenient to machine and manufacture.

Specifically, as shown in fig. 2 to 5, in the embodiment of the present invention, the first mounting hole 101 and the second mounting hole 102 both penetrate through two opposite sides of the shackle body 10 along the thickness direction a of the shackle body 10, and the first mounting hole 101 and the second mounting hole 102 are respectively used for penetrating through the first hook 1 and the second hook 2 (see fig. 1). The first mounting hole 101 and the second mounting hole 102 are spaced apart in a direction generally in which the vehicle body is directed toward the exhaust system, i.e., in a vertical direction. In the examples of fig. 2 to 5, the first mounting hole 101 and the second mounting hole 102 are disposed at intervals at opposite ends of the shackle body 10 in the length direction B, and the shackle body 10 has a small volume, which is beneficial to reducing the manufacturing cost.

It should be emphasized that, as shown in fig. 2 to fig. 5, in the embodiment of the present invention, a plurality of first protruding structures 1011 are disposed at intervals along the circumferential direction on the inner wall of the first mounting hole 101, and when a vehicle including the exhaust suspension system passes through a bumpy road surface and the first hook 1 shakes relative to the lifting lug body 10, the outer wall of a portion of the first hook 1 penetrating through the first mounting hole 101 contacts with a portion of the first protruding structures 1011; and/or a plurality of second protrusion structures 1021 are circumferentially arranged at intervals on the inner wall of the second mounting hole 102, and similarly, when a vehicle including the exhaust suspension system moves across a bumpy road surface and the second hook 2 swings relative to the lifting lug body 10, the outer wall of the portion, penetrating through the second mounting hole 102, of the second hook 2 contacts with a portion of the second protrusion structures 1021.

As described in the background art, when the lifting hook and the conventional vibration isolation lifting lug shake relatively, the outer wall of the lifting hook and the inner wall of the corresponding mounting hole are in surface-to-surface contact, so that the contact area is large, and impact abnormal sound is easily generated. The utility model provides an among the vibration isolation lug 3, set up a plurality of protruding structures along the circumference interval through the inner wall at least one mounting hole for at least one lifting hook is relative this lifting hook contacts with the part protruding structure of the mounting hole inner wall that corresponds when the lug body 10 of vibration isolation lug 3 rocks, compares in the lifting hook with the face contact between the mounting hole of current vibration isolation lug with face, has reduced area of contact between at least one lifting hook and the mounting hole that corresponds, thereby can reduce and avoid even at least one lifting hook contacts the striking abnormal sound that produces each other with the mounting hole that corresponds, helps promoting the sound quality of vehicle brings good the experience of taking for the user of taking.

Furthermore, among the prior art, the vibration isolation lug is generally through the rigidity (if adjustment hardness) of adjustment lug body self to reduce exhaust suspension system's amplitude, thereby realize reducing the purpose of striking the abnormal sound between lifting hook and the lug body, however, after adjusting the rigidity of lug body self, often can make the vehicle worsen in whole car NVH performance on normal road surface, want to reach the balance of NVH performance and abnormal sound performance, need the multiple round matching side to realize, produced very big matching cost in the intangible. Compare in current vibration isolation lug, the utility model provides an in the vibration isolation lug 3, through reducing the area of contact between at least one lifting hook and the mounting hole that corresponds, can realize reducing the purpose of avoiding striking the abnormal sound even between lifting hook and the lug body, it is right not need the rigidity of lug body 10 self is adjusted or only needs adaptability to adjust its rigidity, and rigidity adjustment variable is to the influence greatly reduced of abnormal sound performance, so, when the vehicle obtained better abnormal sound performance, does not have the influence or influences the minimum to the NVH performance of whole car, and the NVH performance of whole car has bigger matching space.

Alternatively, in the example of fig. 2 to 5, the inner wall of the first mounting hole 101 is provided with the plurality of first protruding structures 1011, and the inner wall of the second mounting hole 102 is provided with the plurality of second protruding structures 1021. In this embodiment, when the first lifting hook 1 and the second lifting hook 2 shake relative to the lifting lug body 10, each lifting hook is in contact with a part of the protruding structure of the inner wall of the corresponding mounting hole, so that the contact area between each lifting hook and the lifting lug body 10 is reduced, and the impact abnormal sound generated by the mutual contact between each lifting hook and the corresponding mounting hole is favorably reduced or even avoided, thereby being more favorable for improving the sound quality of a vehicle.

In other embodiments, only one of the first mounting hole 101 and the second mounting hole 102 may have a plurality of protruding structures on an inner wall thereof, so as to reduce a contact area between the shackle body 10 and the first hook 1 or the second hook 2, and also reduce or even avoid an impact abnormal sound generated by the contact between one of the hooks and the corresponding mounting hole, thereby achieving the purpose of improving the sound quality of the vehicle.

Optionally, in an embodiment of the present invention, the first protrusion structure 1011 may include a first strip-shaped protrusion extending along an axial direction of the first mounting hole 101, a cross-sectional shape (i.e., a cross-section perpendicular to an extending direction) of the first strip-shaped protrusion is not limited to be one of a semi-circle shape, a semi-ellipse shape, a triangle shape, a rectangle shape, and a trapezoid shape, and/or the first protrusion structure 1011 may include a plurality of first point-shaped protrusions spaced apart along an axial direction of the first mounting hole 101, and the first point-shaped protrusions are not limited to be one of a semi-sphere-shaped bump, a semi-ellipsoid-sphere-shaped bump, and a rectangle-shaped bump. That is, the first protrusion 1011 may be the first linear protrusion, the first point-shaped protrusion, or a combination of the first linear protrusion and the first point-shaped protrusion, which is not limited herein.

Specifically, in the example of fig. 2 to 5, each of the first protrusion structures 1011 is a first strip-shaped protrusion having a trapezoidal cross-sectional shape, and a plurality of the first strip-shaped protrusions are uniformly arranged on the inner wall of the first mounting hole 101 at intervals along the circumferential direction of the first mounting hole 101. As shown in fig. 5, an extending length of each first strip-shaped protrusion is equal to a thickness of the shackle body 10, that is, the first strip-shaped protrusion extends from one end of the first mounting hole 101 to the other end. In other embodiments, the extension length of each first strip-shaped protrusion may also be less than the thickness of the shackle body 10. In this embodiment, the first protrusion 1011 is a first strip-shaped protrusion extending along the axial direction of the first mounting hole 101, and when the contact area between the first hook 1 and the lifting lug body 10 is reduced, the first hook 1 can also play a role in guiding when being inserted into the first mounting hole 101, so as to facilitate assembly, and the first strip-shaped protrusion is more wear-resistant than the first point-shaped protrusion.

In other embodiments, each of the first protrusion structures 1011 may be a first point-shaped protrusion with a smaller volume than the first strip-shaped protrusion, so that the contact area between the first hook 1 and the shackle body 10 is smaller.

In other embodiments, each of the first protrusion structures 1011 may also be a combination of the first strip-shaped protrusion and the first dot-shaped protrusion, which is not limited herein.

Similar to the first protrusion structure 1011, in an embodiment of the present invention, the second protrusion structure 1021 may include a second strip-shaped protrusion extending along the axial direction of the second mounting hole 102, the cross-sectional shape (i.e. the cross-section perpendicular to the extending direction) of the second strip-shaped protrusion is not limited to one of a semi-circle shape, a semi-ellipse shape, a triangle shape, a rectangle shape and a trapezoid shape, and/or the second protrusion structure 1021 may include a plurality of second point-shaped protrusions spaced apart along the axial direction of the second mounting hole 102, and the second point-shaped protrusions are not limited to one of a semi-sphere bump, a semi-ellipsoid bump and a rectangle bump. That is, the second protrusion structure 1021 may be the second stripe-shaped protrusion, the second dot-shaped protrusion, or a combination of the second stripe-shaped protrusion and the second dot-shaped protrusion, which is not limited herein. In the examples of fig. 2 to 5, the second protrusion structures 1021 and the first protrusion structures 1011 have the same structure, that is, each of the second protrusion structures 1021 is a second strip-shaped protrusion with a trapezoidal cross-sectional shape, a plurality of second strip-shaped protrusions are uniformly arranged on the inner wall of the second mounting hole 102 at intervals along the circumferential direction of the second mounting hole 102, and the specific structure and function of the second strip-shaped protrusions are similar to those of the first strip-shaped protrusions, and are not repeated herein.

Of course, in other embodiments, each of the second protrusion structures 1021 may be a second dot-shaped protrusion with a smaller volume than the second strip-shaped protrusion, so that the contact area between the second hook 2 and the shackle body 10 is smaller; each of the second protrusion structures 1021 may also be a combination of the second strip-shaped protrusions and the second dot-shaped protrusions, which is not limited herein.

It is understood that the first convex structures 1011 and the second convex structures 1021 may be different, for example, one of the first convex structures 1011 and the second convex structures 1021 is a stripe-shaped convex, and the other is a dot-shaped convex, which is not limited thereto.

In the example of fig. 2 to 5, an entrance of the first mounting hole 101 at an end for the first hook 1 to penetrate may be provided with a chamfer (not shown) to facilitate the first hook 1 to penetrate into the first mounting hole 101. Similarly, an inlet at one end of the second mounting hole 102 for the second hook 2 to penetrate through may also be provided with a chamfer, so that the second hook 2 may penetrate into the second mounting hole 102. Wherein the chamfer may be a fillet or a chamfer.

Referring to fig. 2 and 3 again, in an embodiment of the present invention, the lifting lug body 10 further has a buffering hole 103 located between the first mounting hole 101 and the second mounting hole 102. In this embodiment, the buffering hole 103 is formed in the elastic lifting lug body 10, so that the elastic deformation capability of the lifting lug body 10 can be enhanced, and the vibration damping effect of the vibration isolation lifting lug 3 can be improved.

Preferably, in the example of fig. 2 and 3, a first vibration damping boss 104 is disposed between the buffer hole 103 and the first mounting hole 101 in a protruding manner, a second vibration damping boss 105 is disposed between the buffer hole 103 and the second mounting hole 102 in a protruding manner, and the first vibration damping boss 104 and the second vibration damping boss 105 are at least partially opposite to each other. In this embodiment, by respectively providing the first vibration reduction boss 104 and the second vibration reduction boss 105, which are at least partially opposite to each other, on opposite sides of the buffer hole 103, when a vehicle including the exhaust suspension system is subjected to a rough road surface and the exhaust suspension system is greatly shaken, the first lifting hook 1 and the second lifting hook 2 may extrude the lug body 10, so that the lug body 10 is elastically deformed until the first vibration reduction boss 104 contacts with the part opposite to the second vibration reduction boss 105, and the first vibration reduction boss 104 and the second vibration reduction boss 105 are mutually abutted, so that the lug body 10 is prevented from being excessively elastically deformed, and the shaking range of the exhaust suspension system is reduced.

Preferably, in the examples of fig. 2 and 3, the buffer hole 103 is in an "H" shape, and the first vibration reduction boss 104 and the second vibration reduction boss 105 are completely opposite to each other, so that the interference area between the first vibration reduction boss 104 and the second vibration reduction boss 105 is relatively large, and the elastic deformation of the shackle body 10 can be better inhibited. The first damping boss 104 and the second damping boss 105 may be, but not limited to, rectangular block-shaped bosses or trapezoidal block-shaped bosses, as long as the two bosses can mutually interfere with each other when the shackle body 10 is subjected to large elastic deformation, and this is not limited thereto.

Further preferably, please refer to fig. 2, fig. 3, fig. 5 and fig. 6, in an embodiment of the present invention, a plurality of third protrusion structures 1041 are disposed at intervals on a portion of the first damping boss 104 facing the second damping boss 105, and/or a plurality of fourth protrusion structures 1051 are disposed at intervals on a portion of the second damping boss 105 facing the first damping boss 104. Thus, when the shackle body 10 is elastically deformed until the first vibration reduction boss 104 contacts the second vibration reduction boss 105, the plurality of third protrusion structures 1041 contact with the portion of the second vibration reduction boss 105 facing the third vibration reduction boss 1041, and/or the plurality of fourth protrusion structures 1051 contact with the portion of the first vibration reduction boss 104 facing the fourth vibration reduction boss 1041, so that the first vibration reduction boss 104 and the second vibration reduction boss 105 can not only collide with each other when the shackle body 10 is elastically deformed to a larger extent, so as to achieve the purpose of inhibiting the shackle body 10 from being elastically deformed to an excessively large extent, but also reduce the contact area between the first vibration reduction boss 104 and the second vibration reduction boss 105, thereby reducing or even avoiding impact abnormal noise generated by the mutual contact between the first vibration reduction boss 104 and the second vibration reduction boss 105, and also being beneficial to improving the sound quality of the vehicle. In the example of fig. 2, 3, 5 and 6, a plurality of third protrusion structures 1041 are arranged at intervals only on the portion of the first damping boss 104 facing the second damping boss 105, and the portion of the second damping boss 105 facing the first damping boss 104 is a plane. Of course, in other embodiments, a plurality of fourth protrusion structures 1051 may be disposed at intervals only on the portion of the second damping boss 105 facing the first damping boss 104, and the portion of the first damping boss 104 facing the second damping boss 105 may be a plane. By arranging the corresponding protruding structure on only one of the first vibration reduction boss 104 and the second vibration reduction boss 105, the first vibration reduction boss 104 and the second vibration reduction boss 105 can be mutually abutted when the lifting lug body 10 generates larger elastic deformation, the contact area between the first vibration reduction boss 104 and the second vibration reduction boss 105 can be further reduced, the impact abnormal sound generated by the mutual contact between the first vibration reduction boss 104 and the second vibration reduction boss 105 can be reduced and even avoided, and compared with the case that the protruding structures are arranged on two bosses, the manufacturing process for arranging the protruding structures on only one boss is simpler.

Optionally, in an embodiment of the present invention, when the first vibration-damping boss 104 is provided with the plurality of third protruding structures 1041, the plurality of third protruding structures 1041 may include a plurality of third strip-shaped protrusions, each of the third strip-shaped protrusions extends along a first direction, the plurality of third strip-shaped protrusions are arranged at intervals along a second direction, the first direction is different from the second direction, for example, the first direction may be a thickness direction a of the shackle body 10, and the second direction is a width direction C of the shackle body 10 (see fig. 2). Wherein, similar to the first and second strip-shaped protrusions, the cross-sectional shape (i.e., the cross-section perpendicular to the extending direction) of the third strip-shaped protrusion is not limited to one of a semicircular shape, a semi-elliptical shape, a triangular shape, a rectangular shape, and a trapezoidal shape. And/or, the plurality of third protrusion structures 1041 may include a plurality of third point-like protrusions distributed in an array, for example, but not limited to, a plurality of third point-like protrusions distributed in a matrix along both the thickness direction a and the width direction C of the shackle body 10. Wherein, the third point-shaped protrusion may be, but not limited to, one of a hemispherical protrusion, a semi-ellipsoidal protrusion, and a rectangular protrusion. Specifically, in the examples of fig. 2, fig. 3, fig. 5, and fig. 6, the third protrusion structures 1041 are a plurality of hemispherical protrusions, and the plurality of hemispherical protrusions are distributed in a matrix along the thickness direction a and the width direction C of the shackle body 10 at the same time.

Of course, in other embodiments, similar to the first protrusion structure 1011, the plurality of third protrusion structures 1041 may be a plurality of first strip-shaped protrusions, or a combination of the third strip-shaped protrusions and the third point-shaped protrusions, which is not limited herein.

It is understood that, in the embodiment of the present invention, when the second damping protrusion 105 is provided with the plurality of fourth protrusion structures 1051, the plurality of fourth protrusion structures 1051 may include a plurality of fourth protrusions, each of the fourth protrusions extends along a first direction, and the plurality of fourth protrusions are spaced apart from each other along a second direction, and the first direction is different from the second direction. Wherein, the cross-sectional shape (i.e. the cross-section perpendicular to the extending direction) of the fourth strip-shaped protrusion is not limited to one of a semi-circle, a semi-ellipse, a triangle, a rectangle and a trapezoid. The plurality of fourth bump structures 1051 may also include a plurality of fourth bump-like structures distributed in an array, and the fourth bump-like structures may be, but not limited to, one of a hemispherical bump, a semi-ellipsoidal bump, and a rectangular bump. Similar to the third protrusion structure, the plurality of fourth protrusion structures 1051 may be a plurality of fourth protrusions, or a combination of the fourth protrusions and the fourth protrusions, which is not limited or described herein.

It should be noted that, in other embodiments, when the first damping boss 104 is provided with the plurality of third raised structures 1041 and the second damping boss 105 is provided with the plurality of fourth raised structures 1051, the plurality of third raised structures 1041 and the plurality of fourth raised structures 1051 may be arranged differently. Specifically, referring to fig. 7, in a possible implementation, the plurality of third protruding structures 1041 and the plurality of fourth protruding structures 1051 are arranged in a one-to-one correspondence; referring to fig. 8, in another possible embodiment, the plurality of third bump structures 1041 and the plurality of fourth bump structures 1051 are disposed in a staggered manner.

It should be further noted that, in the embodiment of the present invention, the peripheral wall of the lug body 10 of the vibration isolation lug 3 may further be provided with a die-drawing rib (see fig. 1), so as to facilitate the die-drawing of the lug body 10 from the die, which is not described herein again.

To sum up, the utility model provides an among the exhaust suspension system, offer first mounting hole 101 and the second mounting hole 102 that is used for wearing to establish first lifting hook 1 and second lifting hook 2 respectively on the lug body 10 of vibration isolation lug 3, set up a plurality of protruding structures through the inner wall at least one mounting hole along the circumference interval, can reduce the area of contact between at least one lifting hook and the corresponding mounting hole to reduce and avoid at least one lifting hook and the striking abnormal sound that the mutual contact produced of corresponding mounting hole even, promote the sound quality of vehicle, bring good the experience of taking for taking the user.

Further, the utility model provides a vehicle, vehicle includes automobile body, exhaust system and exhaust suspension system, exhaust suspension system be used for with exhaust system connect in on the automobile body. The exhaust suspension system may be the exhaust suspension system described in any of the above embodiments, so that at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and details are not described herein.

The vehicle may be any vehicle including an exhaust system, such as a fuel-powered vehicle or a hybrid vehicle, but is not limited thereto.

In the description of the present invention, reference to the description of the terms "embodiment," "specific embodiment," "example," etc., means 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 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. The vibration isolation lifting lug is characterized by comprising a lifting lug body made of an elastic material, wherein first mounting holes and second mounting holes are formed in the lifting lug body at intervals, the first mounting holes and the second mounting holes penetrate through two opposite sides of the lifting lug body along the thickness direction of the lifting lug body, and the first mounting holes and the second mounting holes are respectively used for penetrating through a first lifting hook and a second lifting hook;

the inner wall of the first mounting hole is circumferentially provided with a plurality of first protruding structures at intervals, and when the first lifting hook shakes relative to the lifting lug body, the first lifting hook penetrates through the outer wall of the part, in the first mounting hole, of the first mounting hole and contacts with part of the first protruding structures; and/or a plurality of second protruding structures are arranged on the inner wall of the second mounting hole at intervals along the circumferential direction, and when the second lifting hook shakes relative to the lifting lug body, the second lifting hook penetrates through the outer wall of the part in the second mounting hole and contacts with part of the second protruding structures.

2. The vibration-isolating lifting lug of claim 1, wherein the inner wall of the first mounting hole is provided with the plurality of first raised structures; first protruding structure includes follows the first strip protruding of the axial extension of first mounting hole, the bellied perpendicular to extending direction's of first strip cross-sectional shape is one of them in semi-circle, semi-ellipse, triangle-shaped, rectangle and the trapezoidal, and/or, first protruding structure includes follows the axial interval distribution's of first mounting hole a plurality of first point form is protruding, first point form is protruding one of them in hemisphere bump, semi-ellipsoid shape bump and the rectangle shape bump.

3. The vibration-isolating lifting lug of claim 1, wherein the inner wall of the second mounting hole is provided with the plurality of second raised structures; the second protrusion structure comprises a second strip-shaped protrusion extending along the axial direction of the second mounting hole, the cross section of the second strip-shaped protrusion perpendicular to the extending direction is in the shape of one of a semicircle, a semi-ellipse, a triangle, a rectangle and a trapezoid, and/or the second protrusion structure comprises a plurality of second point-shaped protrusions distributed at intervals along the axial direction of the second mounting hole, and the second point-shaped protrusions are one of hemispherical bumps, semi-ellipsoidal bumps and rectangular bumps.

4. The vibration isolation lifting lug according to any one of claims 1 to 3, wherein the lug body is provided with a buffer hole between the first mounting hole and the second mounting hole.

5. The vibration isolation lifting lug according to claim 4, wherein a first vibration reduction boss is convexly arranged between the buffer hole and the first mounting hole, a second vibration reduction boss is convexly arranged between the buffer hole and the second mounting hole, and the first vibration reduction boss and the second vibration reduction boss are at least partially opposite.

6. The vibration isolation lifting lug according to claim 5, wherein the portion of the first vibration isolation boss facing the second vibration isolation boss is provided with a plurality of third protruding structures at intervals facing the second vibration isolation boss, and/or the portion of the second vibration isolation boss facing the first vibration isolation boss is provided with a plurality of fourth protruding structures at intervals facing the first vibration isolation boss;

when the lifting lug body is elastically deformed until the first vibration reduction boss is in contact with the second vibration reduction boss, the third protrusion structures are in contact with the part of the second vibration reduction boss opposite to the third protrusion structures, and/or the fourth protrusion structures are in contact with the part of the first vibration reduction boss opposite to the fourth protrusion structures.

7. The vibration isolating lug of claim 6, wherein the first vibration dampening projection is provided with the plurality of third raised formations; the plurality of third protrusion structures comprise a plurality of third protrusions, each third protrusion extends along a first direction, the plurality of third protrusions are arranged at intervals along a second direction, the first direction is different from the second direction, the cross section of each third protrusion perpendicular to the extending direction is in the shape of one of a semicircle, a semi-ellipse, a triangle, a rectangle and a trapezoid, and/or the plurality of third protrusion structures comprise a plurality of third protrusion structures distributed in an array, and each third protrusion structure is one of a hemispherical bump, a semi-ellipsoidal bump and a rectangular bump.

8. The vibration isolating lug of claim 6, wherein the second vibration dampening projection is provided with the plurality of fourth raised formations; the plurality of fourth protruding structures comprise a plurality of fourth protruding structures, each fourth protruding structure extends along the first direction, the plurality of fourth protruding structures are arranged at intervals along the second direction, the first direction is different from the second direction, the cross section of the fourth protruding structure perpendicular to the extending direction is in one of a semi-circle shape, a semi-ellipse shape, a triangle shape, a rectangle shape and a trapezoid shape, and/or the plurality of fourth protruding structures comprise a plurality of fourth protruding structures distributed in an array shape, and each fourth protruding structure is one of a hemispherical protruding point, a semi-ellipsoidal protruding point and a rectangular protruding point.

9. An exhaust hanging system, comprising a first hook and a second hook, wherein the first hook is used for connecting with a vehicle body, and the second hook is used for connecting with an exhaust system, and the exhaust hanging system further comprises the vibration isolation lifting lug according to any one of claims 1 to 8.

10. A vehicle comprising the exhaust hanger system of claim 9.

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