CN203472522U - Exhaust system lifting lug and automobile - Google Patents

Exhaust system lifting lug and automobile Download PDF

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Publication number
CN203472522U
CN203472522U CN201320483452.0U CN201320483452U CN203472522U CN 203472522 U CN203472522 U CN 203472522U CN 201320483452 U CN201320483452 U CN 201320483452U CN 203472522 U CN203472522 U CN 203472522U
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CN
China
Prior art keywords
exhaust system
mounting hole
lifting lug
hole
elastic body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320483452.0U
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Chinese (zh)
Inventor
赵连杰
席玉岭
刘欣
李睿哲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Automotive Research Institute Co Ltd
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Beijing Automotive Research Institute Co Ltd
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Priority to CN201320483452.0U priority Critical patent/CN203472522U/en
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Publication of CN203472522U publication Critical patent/CN203472522U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The utility model provides an exhaust system lifting lug and an automobile, and belongs to the technical field of automobile manufacturing. The exhaust system lifting lug comprises an elastic body, a first mounting hole and a second mounting hole, wherein the first mounting hole and the second mounting hole are arranged on the elastic body and are in mutual symmetry. A through hole is formed between the first mounting hole and the second mounting hole, and a cross bar which horizontally penetrates through the through hole is formed in the inner side face of the through hole. According to the technical scheme, the jitter amount of an exhaust system can be reduced, vibration of the exhaust system can be effectively damped, the automobile NVH performance can be improved, and the service life of the lifting lug is prolonged.

Description

Lifting lug of exhaust system and automobile
Technical field
The utility model relates to car production manufacturing technology field, refers to especially a kind of lifting lug of exhaust system and automobile.
Background technology
Automobile exhaust system is mainly arranged on car body by hanging structure, and its Main Function is transmission engine exhaust, reduces pollutant emission and reduces exhaust roar.
Exhaust system can produce the vibration of self and beating under different operating modes in the course of the work, and hanger is the vibration of decay exhaust system, reduces vibration to the vital parts of vehicle body conduction.Along with social development, customer is to NVH(noise, vibration, uneven compliance) require more and more higher.Traditional hanger adopts two symmetrical structure of mounting hole conventionally, and a side mounting hole is connected with body bottom panel suspension hook, and opposite side mounting hole is connected with exhaust system suspension hook.The shortcoming of this structure is that hanger is larger in the stretching of Z-direction (vehicle body is vertical), and the party's exhaust system jerk value that makes progress is large, easily produces the phenomenons such as fracture, the shortening hanger life-span.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of lifting lug of exhaust system and automobile, can reduce the jerk value of exhaust system the vibration of effective attenuation exhaust system, improves car load NVH performance, extends hanger service life.
For solving the problems of the technologies described above, embodiment of the present utility model provides technical scheme as follows:
On the one hand, provide a kind of lifting lug of exhaust system, comprising:
Elastic body;
Be arranged on described elastic body upper, symmetrical the first mounting hole and the second mounting hole;
Wherein, between described the first mounting hole and described the second mounting hole, be provided with a through hole, described through hole medial surface is provided with a horizontal stripe that crosses described through hole.
Further, said structure also comprises:
Be arranged on described the first mounting hole away from the upper limit position block of described the second mounting hole one side;
Be arranged on described the second mounting hole away from the lower position block of described the first mounting hole one side.
Further, described elastic body is rubber body.
Further, described lifting lug of exhaust system outer wrap has one deck and the bonding poly-ester fibres of described elastic body.
The utility model embodiment also provides a kind of automobile, comprises lifting lug of exhaust system, and described lifting lug of exhaust system comprises:
Elastic body;
Be arranged on described elastic body upper, symmetrical the first mounting hole and the second mounting hole;
Wherein, between described the first mounting hole and described the second mounting hole, be provided with a through hole, described through hole medial surface is provided with a horizontal stripe that crosses described through hole.
Further, described lifting lug of exhaust system also comprises:
Be arranged on described the first mounting hole away from the upper limit position block of described the second mounting hole one side;
Be arranged on described the second mounting hole away from the lower position block of described the first mounting hole one side.
Further, described elastic body is rubber body.
Further, described lifting lug of exhaust system outer wrap has one deck and the bonding poly-ester fibres of described elastic body.
Embodiment of the present utility model has following beneficial effect:
In such scheme, between two mounting holes of symmetry, be provided with a through hole, through hole medial surface is provided with a horizontal stripe that crosses this through hole, this through hole has increased the toughness of lifting lug of exhaust system, the decayed vibration of exhaust system of actv., and the middle horizontal stripe arranging can avoid lifting lug of exhaust system to be straightened, reduced the lower jumping amount of exhaust system under limiting condition.When being subject to departing from the layback stress of Z-direction, this through hole can produce enough deformation, and the line direction of two mounting hole mid points and direction of pull are approached, and makes lifting lug of exhaust system stressed relatively, thereby makes the mode of operation of lifting lug of exhaust system more stable.Meanwhile, this horizontal stripe can improve the first natural frequency of lifting lug of exhaust system, has effectively avoided hanger and exhaust system to resonate, and has improved the NVH performance of car load.
Accompanying drawing explanation
Fig. 1 and Fig. 2 are the structural representation of lifting lug of exhaust system in prior art;
Fig. 3 is the structural representation of the utility model embodiment lifting lug of exhaust system.
Reference numeral
1 rubber body 2 first mounting hole 3 second mounting holes
4 upper limit position block 5 lower position block 6 through holes
7 horizontal stripe 8 poly-ester fibress
The specific embodiment
For making the technical problems to be solved in the utility model, technical scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
Embodiment of the present utility model provides a kind of lifting lug of exhaust system and automobile, can reduce the jerk value of exhaust system the vibration of effective attenuation exhaust system, improves car load NVH performance, extends hanger service life.
Embodiment of the present utility model provides a kind of lifting lug of exhaust system, comprising:
Elastic body;
Be arranged on described elastic body upper, symmetrical the first mounting hole and the second mounting hole;
Wherein, between described the first mounting hole and described the second mounting hole, be provided with a through hole, described through hole medial surface is provided with a horizontal stripe that crosses described through hole.
Lifting lug of exhaust system of the present utility model, between two mounting holes of symmetry, be provided with a through hole, through hole medial surface is provided with a horizontal stripe that crosses this through hole, this through hole has increased the toughness of lifting lug of exhaust system, the decayed vibration of exhaust system of actv., and the middle horizontal stripe arranging can avoid lifting lug of exhaust system to be straightened, reduced the lower jumping amount of exhaust system under limiting condition.When being subject to departing from the layback stress of Z-direction, this through hole can produce enough deformation, and the line direction of two mounting hole mid points and direction of pull are approached, and makes lifting lug of exhaust system stressed relatively, thereby makes the mode of operation of lifting lug of exhaust system more stable.Meanwhile, this horizontal stripe can improve the first natural frequency of lifting lug of exhaust system, has effectively avoided hanger and exhaust system to resonate, and has improved the NVH performance of car load.
Further, lifting lug of exhaust system also comprises:
Be arranged on described the first mounting hole away from the upper limit position block of described the second mounting hole one side;
Be arranged on described the second mounting hole away from the lower position block of described the first mounting hole one side.
The upper and lower spacing upper jumping amount that can reduce exhaust system, effectively avoids exhaust system and body bottom panel to interfere.Meanwhile, upper and lower spacing can effectively prevent that lifting lug of exhaust system from being affected fatigue characteristic by supercompression.
Particularly, described elastic body can be rubber body.Further, described lifting lug of exhaust system outer wrap has one deck and the bonding poly-ester fibres of described elastic body.The layer of polyester fiber of this ring-type has very strong toughness, can when lifting lug of exhaust system ruptures, carry exhaust system, and the loss of avoiding exhaust system to drop causing, plays the effect of protection.
Compared with prior art, lifting lug of exhaust system of the present utility model inside is provided with through hole and horizontal stripe, increased the toughness of lifting lug of exhaust system, the decayed vibration of exhaust system of actv., reduced the upper and lower jerk value of exhaust system, improve the first natural frequency of lifting lug of exhaust system, effectively avoided lifting lug of exhaust system and exhaust system to resonate, improved the NVH performance of car load; And can effectively avoid exhaust system and body bottom panel to interfere, effectively prevent that lifting lug of exhaust system from being affected fatigue characteristic by supercompression, the loss of avoiding exhaust system to drop causing, plays the effect of protection.
The utility model embodiment also provides a kind of automobile, comprises lifting lug of exhaust system, and this lifting lug of exhaust system comprises:
Elastic body;
Be arranged on described elastic body upper, symmetrical the first mounting hole and the second mounting hole;
Wherein, between described the first mounting hole and described the second mounting hole, be provided with a through hole, described through hole medial surface is provided with a horizontal stripe that crosses described through hole.
The lifting lug of exhaust system of the utility model automobile, between two mounting holes of symmetry, be provided with a through hole, through hole medial surface is provided with a horizontal stripe that crosses this through hole, this through hole has increased the toughness of lifting lug of exhaust system, the decayed vibration of exhaust system of actv., and the middle horizontal stripe arranging can avoid lifting lug of exhaust system to be straightened, reduced the lower jumping amount of exhaust system under limiting condition.When being subject to departing from the layback stress of Z-direction, this through hole can produce enough deformation, and the line direction of two mounting hole mid points and direction of pull are approached, and makes lifting lug of exhaust system stressed relatively, thereby makes the mode of operation of lifting lug of exhaust system more stable.Meanwhile, this horizontal stripe can improve the first natural frequency of lifting lug of exhaust system, has effectively avoided hanger and exhaust system to resonate, and has improved the NVH performance of car load.
Further, lifting lug of exhaust system also comprises:
Be arranged on described the first mounting hole away from the upper limit position block of described the second mounting hole one side;
Be arranged on described the second mounting hole away from the lower position block of described the first mounting hole one side.
The upper and lower spacing upper jumping amount that can reduce exhaust system, effectively avoids exhaust system and body bottom panel to interfere.Meanwhile, upper and lower spacing can effectively prevent that lifting lug of exhaust system from being affected fatigue characteristic by supercompression.
Particularly, described elastic body can be rubber body.Further, described lifting lug of exhaust system outer wrap has one deck and the bonding poly-ester fibres of described elastic body.The layer of polyester fiber of this ring-type has very strong toughness, can when lifting lug of exhaust system ruptures, carry exhaust system, and the loss of avoiding exhaust system to drop causing, plays the effect of protection.
Compared with prior art, the lifting lug of exhaust system inside of the utility model automobile is provided with through hole and horizontal stripe, increased the toughness of lifting lug of exhaust system, the decayed vibration of exhaust system of actv., reduced the upper and lower jerk value of exhaust system, improve the first natural frequency of lifting lug of exhaust system, effectively avoided lifting lug of exhaust system and exhaust system to resonate, improved the NVH performance of car load; And can effectively avoid exhaust system and body bottom panel to interfere, effectively prevent that lifting lug of exhaust system from being affected fatigue characteristic by supercompression, the loss of avoiding exhaust system to drop causing, plays the effect of protection.
Below in conjunction with accompanying drawing, lifting lug of exhaust system of the present utility model is described in detail:
Be the structural representation of lifting lug of exhaust system in prior art as depicted in figs. 1 and 2, existing lifting lug of exhaust system adopts two symmetrical structure of mounting hole conventionally, and a side mounting hole is connected with body bottom panel suspension hook, and opposite side mounting hole is connected with exhaust system suspension hook.The shortcoming of this structure is that hanger is larger in the stretching of Z-direction (vehicle body is vertical), and the party's exhaust system jerk value that makes progress is large, easily produces the phenomenons such as fracture, the shortening hanger life-span.
As shown in Figure 3, lifting lug of exhaust system of the present utility model includes rubber body 1, and rubber body 1 adopts elastomeric material to make, and has good elasticity and resistance to corrosion.
Rubber body 1 is provided with between the first symmetrical mounting hole 2,3, two mounting holes of the second mounting hole and is provided with a through hole 6, and through hole 6 medial surfaces are fixedly connected with a horizontal stripe 7 that crosses this through hole.Through hole 6 has increased the toughness of lifting lug of exhaust system, the decayed vibration of exhaust system of actv., and the middle horizontal stripe 7 arranging can avoid lifting lug of exhaust system to be straightened under limiting condition, has reduced the lower jumping amount of exhaust system.When being subject to departing from Z-direction layback stress, through hole 6 structures can produce enough deformation, and the line direction of two mounting hole mid points and direction of pull are approached, and make lifting lug of exhaust system stressed relatively, thereby make the mode of operation of lifting lug of exhaust system more stable.Meanwhile, this horizontal stripe 7 can improve the first natural frequency of lifting lug of exhaust system, has effectively avoided lifting lug of exhaust system and exhaust system to resonate, and has improved car load NVH performance.
On the first mounting hole 2, the second mounting hole 3, be respectively equipped with upper limit position block 4, lower position block 5, upper limit position block 4, lower position block 5 have reduced the upper jumping amount of exhaust system, have effectively avoided exhaust system and body bottom panel to interfere.Meanwhile, upper limit position block 4, lower position block 5 can effectively prevent that lifting lug of exhaust system from being affected fatigue characteristic by supercompression.
In addition, the rubber body 1 of lifting lug of exhaust system is surrounded with poly-ester fibres 8 around, bonding with rubber body 1, this material has very strong elasticity, be not easy to pull apart, can when rubber body 1 fracture, play the effect of carrying exhaust system, avoid exhaust system to drop and the loss and the potential safety hazard that cause.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (8)

1. a lifting lug of exhaust system, is characterized in that, comprising:
Elastic body;
Be arranged on described elastic body upper, symmetrical the first mounting hole and the second mounting hole;
Wherein, between described the first mounting hole and described the second mounting hole, be provided with a through hole, described through hole medial surface is provided with a horizontal stripe that crosses described through hole.
2. lifting lug of exhaust system according to claim 1, is characterized in that, also comprises:
Be arranged on described the first mounting hole away from the upper limit position block of described the second mounting hole one side;
Be arranged on described the second mounting hole away from the lower position block of described the first mounting hole one side.
3. lifting lug of exhaust system according to claim 1, is characterized in that, described elastic body is rubber body.
4. lifting lug of exhaust system according to claim 3, is characterized in that, described lifting lug of exhaust system outer wrap has one deck and the bonding poly-ester fibres of described elastic body.
5. an automobile, comprises lifting lug of exhaust system, it is characterized in that, described lifting lug of exhaust system comprises:
Elastic body;
Be arranged on described elastic body upper, symmetrical the first mounting hole and the second mounting hole;
Wherein, between described the first mounting hole and described the second mounting hole, be provided with a through hole, described through hole medial surface is provided with a horizontal stripe that crosses described through hole.
6. automobile according to claim 5, is characterized in that, described lifting lug of exhaust system also comprises:
Be arranged on described the first mounting hole away from the upper limit position block of described the second mounting hole one side;
Be arranged on described the second mounting hole away from the lower position block of described the first mounting hole one side.
7. automobile according to claim 5, is characterized in that, described elastic body is rubber body.
8. automobile according to claim 7, is characterized in that, described lifting lug of exhaust system outer wrap has one deck and the bonding poly-ester fibres of described elastic body.
CN201320483452.0U 2013-08-08 2013-08-08 Exhaust system lifting lug and automobile Expired - Fee Related CN203472522U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320483452.0U CN203472522U (en) 2013-08-08 2013-08-08 Exhaust system lifting lug and automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320483452.0U CN203472522U (en) 2013-08-08 2013-08-08 Exhaust system lifting lug and automobile

Publications (1)

Publication Number Publication Date
CN203472522U true CN203472522U (en) 2014-03-12

Family

ID=50220914

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320483452.0U Expired - Fee Related CN203472522U (en) 2013-08-08 2013-08-08 Exhaust system lifting lug and automobile

Country Status (1)

Country Link
CN (1) CN203472522U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140312

Termination date: 20200808

CF01 Termination of patent right due to non-payment of annual fee