CN201792737U - Lifting lug of exhaust system - Google Patents
Lifting lug of exhaust system Download PDFInfo
- Publication number
- CN201792737U CN201792737U CN2010205069602U CN201020506960U CN201792737U CN 201792737 U CN201792737 U CN 201792737U CN 2010205069602 U CN2010205069602 U CN 2010205069602U CN 201020506960 U CN201020506960 U CN 201020506960U CN 201792737 U CN201792737 U CN 201792737U
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- China
- Prior art keywords
- elastic arm
- exhaust system
- installation portion
- hanger
- spacing
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Abstract
The utility model discloses a lifting lug of an exhaust system, which includes two installation parts, wherein two installation holes are arranged on the installation parts respectively; the installation parts are connected through two elastic arms, and the elastic arms and the installation parts form a closed structure together in a plane perpendicular to the installation holes; and the lifting lug further includes a set of limit band sleeved on the periphery of the closed structure and having at least one end connected with the closed structure, wherein the inner circumference of the limit band is larger than the outer circumference of the closed structure. In the utility model, the limit band on the periphery of the lug efficiently limits the large displacement of a rubber part in the lug under the large displacement impact, the limit stretch of the lifting lug is reduced, and the fatigue resistance of the lifting lug is improved. Further, the elastic arms form two radians in the direction perpendicular to the middle axis (the plane where the installation parts and the elastic arms are arranged) and in the direction of the middle axis, the two radians efficiently improve the natural vibration frequency of the lifting lug, and the radians having different curvatures enable the lifting lug to have different rigidities, so that the problem of stress concentration generated in bending deformation can be reduced.
Description
Technical field
The utility model relates to a kind of exhaust system hanger, particularly relates to and is used to the hanger that supports exhaust system and have vibration-damping function in a kind of automobile.
Background technology
The exhaust system hanger is mainly used in the support exhaust system, the car internal vibration that the concussion of separated exhaust system causes.As illustrated in fig. 1 and 2, exhaust system hanger of the prior art comprises two installation portions 1 that distribute side by side up and down, all is provided with a mounting hole on each installation portion 1, is respectively applied for the little support arm of vehicle body and the ramuscule arm of exhaust system to be connected.The homonymy of two installation portions 1 all connects by the elastic arm 2 ' of an arc, thereby forms an occluded ellipse shape; Intermediate lateral at two installation portions 1 is provided with a middle interconnecting piece 5, and the two ends of middle interconnecting piece 5 are connected with two elastic arms 2 ' respectively.Described elastic arm 2 ' is this installation portion in half of the length of this ellipse long axis direction at the width of oval short-axis direction substantially, and this middle interconnecting piece 5 and the elastic arm 2 ' width on the B-B direction of axis equates with the width of installation portion 1 on same direction substantially, and the forward and backward surface of elastic arm 2 ' is all parallel and the plane at this ellipse place.
Automobile is under low frequency operating modes such as igniting, braking, and the elastic arm of said structure can greatly large deformation take place owing to the vibration displacement of exhaust system, and stress concentration is serious.When high frequency, the dynamic stiffness that two elastic arms provide is bigger, influences occupant's ride quality.
The utility model content
The technical problems to be solved in the utility model is big in order to overcome hanger vibration displacement of the prior art, and stress concentration is serious, and the defective of travelling comfort provides a kind of exhaust system hanger in the elastic arm dynamic stiffness considerable influence car of hanger.
The utility model solves above-mentioned technical matters by following technical proposals:
A kind of exhaust system hanger, its characteristics are that it comprises two installation portions, are respectively equipped with a mounting hole on the described installation portion; Described installation portion connects by two elastic arms, and described elastic arm forms an enclosed construction with described installation portion in the plane perpendicular to the axis of described mounting hole; This hanger comprises that also one is set in this enclosed construction peripheral and at least one end and the spacing band of this enclosed construction bonded assembly, and the interior girth of this spacing band is greater than the outer perimeter of this enclosed construction.
Preferably, described elastic arm is an arc in this plane, and this arc is outstanding to the outside from the inside of this enclosed construction.
Preferably, in this plane, the connecting portion of described elastic arm and installation portion all forms re-entrant angle in to this enclosed construction inner recess.
Preferably, less than the height of described installation portion along this axis direction, and with respect to this plane, the upper surface of described elastic arm and lower surface are between the upper surface and lower surface of described installation portion along the height of this axis direction for described elastic arm.
Preferably, the upper surface of described elastic arm and the upper surface of described installation portion, the lower surface of described elastic arm are respectively with the lower surface of described installation portion that arc is smooth to be connected.
Preferably, this plane is to lower recess relatively for the upper surface of this elastic arm, and relative this plane of the lower surface of described elastic arm is to upper process.
Preferably, the interior girth C of this spacing band
1=C
2+ 2a, a are the deformation quantity of this exhaust system hanger, C
1, C
2, a is natural number.
Preferably, be equipped with one at the lateral surface of described installation portion and be used to the draw-in groove that card is established this spacing band.
Preferably, the spacing on the inside and outside surface of described elastic arm is 1: 3～1: 7 with the ratio of the spacing on the inside and outside surface of described installation portion.
More preferably, the spacing on the inside and outside surface of described elastic arm is 1: 6 with the ratio of the spacing on the inside and outside surface of described installation portion.
Wherein, this hanger adopts elastomeric material to make, the spacing on the inside and outside surface of described elastic arm is 1: 6 with the ratio of the spacing on the inside and outside surface of described installation portion, and the spacing on the forward and backward surface of described elastic arm is 1: 2 with the ratio of the spacing on the forward and backward surface of described installation portion.
In the utility model, but above-mentioned optimum condition combination in any on the basis that meets this area general knowledge promptly gets each preferred embodiments of the utility model.
Positive progressive effect of the present utility model is: the spacing effect that has of the hanger periphery in the utility model has limited the big displacement of rubber part under big displacement is impacted in the hanger, has alleviated the ultimate elongation of hanger, increases its anti-fatigue performance.Further, elastic arm has effectively improved its eigentone at two radians along vertical centering control axis direction (in the paper) and the formation of axis direction, and the radian by different curvature is realized the different rigidity of hanger, reduce the problem of stress concentration that flexural deformation produces, improvement on the resilient arm structure has reduced the use of material, has reduced cost.Further, the arc that adopts between the lower surface of the upper surface of elastic arm and the upper surface of installation portion, elastic arm and the lower surface of installation portion is connected can be provided when low frequency or high-frequency vibration along the reverse elastic force of position of two mounting hole lines, helps to improve the damping force characteristics of its broadband, various amplitude.
Description of drawings
Fig. 1 is the front elevation of exhaust system hanger in the prior art.
Fig. 2 is for dissecing the cutaway view of back right half part along A-A cutting line among Fig. 1.
Fig. 3 is the front elevation of exhaust system hanger of the present utility model.
Fig. 4 is for dissecing the cutaway view of back right half part along A-A cutting line among Fig. 3.
Fig. 5 is the right elevation of exhaust system hanger among Fig. 4.
Fig. 6 dissects the cutaway view of back right half part along the C-C cutting line for Fig. 5.
Fig. 7 is the shaft side figure of exhaust system hanger of the present utility model.
The specific embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
For convenience of explanation, the position of placing in Figure of description 1 and 3 with hanger among the application is a reference data: vertical paper outwards is defined as the front surface of hanger, is defined as the right side of hanger to the right along the paper level, is defined as upside straight up along paper.
Shown in Fig. 3 and 5, exhaust system hanger in the utility model comprises the installation portion 1 that distributes side by side up and down, be equipped with a mounting hole 11 on each installation portion 1, be respectively applied for the little support arm that connects on the vehicle body and the little support arm on the exhaust system, the axis of described mounting hole 11 (the B-B line among Fig. 4 just) is perpendicular to the paper direction.Homonymy at two installation portions 1 connects by an elastic arm 2 respectively.Described elastic arm 2 is with described installation portion 1, forms an enclosed construction in the plane perpendicular to the axis of mounting hole 11, and above-mentioned plane is paper.Described enclosed construction adopts elastomeric material to be made of one piece.Simultaneously, exhaust system hanger of the present utility model comprises that also one is set in the spacing of this enclosed construction periphery and is with 3, and this is spacing with 3 interior girth C
1Outer perimeter C greater than this enclosed construction
2Preferably, C
1=C
2+ 2a, a are the work shift of this exhaust system hanger, C
1, C
2, a is natural number.Wherein, the deformation quantity when described work shift is meant exhaust system hanger generation elastic deformation, the i.e. amount that is stretched of hanger.This is spacing roughly to wait with 3 width along the width of B-B line direction and this elastic arm 2 along the B-B line.This is spacing to be individually fixed on the outside face of two installation portions 1 with 3 relative two ends, and remainder then is in free state.When exhaust system was in the operating mode hanger that comparatively jolts and takes place than large deformation, this is spacing to play the position limitation protection effect with 3 limit of stretch that can limit elastic arm 2 to it, increases its anti-fatigue performance.Preferably, be respectively equipped with a draw-in groove 12 in the periphery of two installation portions 1, be used for card and establish this and spacingly be with 3, this draw-in groove 12 is formed in one with this installation portion 1.
As shown in Figure 5, the front surface of the elastic arm 2 of the hanger in the utility model is recessed to form a cambered surface downwards in its rear surface relatively, the rear surface of elastic arm 2 then relatively its front surface projection that makes progress form another cambered surface, two globoidal structures play the effect that improves elastic arm 2 eigentones, and realize that the different-stiffness demand is to reduce the problem of stress concentration that flexural deformation produces.Preferably, the curvature of described these two cambered surfaces is identical.
Shown in Fig. 5-7, the forward and backward surface of elastic arm 2 promptly all forms four terraced structures on the forward and backward surface of hanger between the forward and backward surface of installation portion 1.Preferably, the ratio of the spacing between spacing between the elastic arm 2 forward and backward surfaces and the installation portion 1 forward and backward surface is 1: 2-1: 6.More preferably, the ratio of this spacing is 1: 2.In addition, the front surface of elastic arm 2 adopts smooth arc to be connected with the front surface of installation portion 1.As shown in Figure 6, connecting portion D place at installation portion 1 and elastic arm 2 forms the interior re-entrant angle to this enclosed construction inner recess, can significantly find with the hanger comparison of prior art among Fig. 1, the outline of whole enclosed construction be not one complete oval or circular.The utility model is by re-entrant angle in being somebody's turn to do, thereby when low frequency or high-frequency vibration, can provide along the elastic force of the reverse position of mounting hole 11 lines of centres (cutting line A-A), reach the damping force characteristics that improves its broadband, various amplitude, and just adjust the stiffness variation of interior re-entrant angle by the stratum that changes above-mentioned terraced structure.
Hanger in the utility model spacing with 3 effect under, make elastic arm under situation about reducing along the thickness of B-B line direction, not only can reach the purpose of the required rigidity requirement of elastic arm of hanger in the prior art, and have better isolating affection.For example, be ± 75N at amplitude, frequency 5Hz, operating temperature is that the cycle number of the hanger in the utility model is brought up to 800,000 times by 300,000 times under 100 ℃ the condition; Dynamic stiffness under the high frequency state is reduced to 11N/mm from 12.9N/mm.The hanger that can be drawn the relative prior art of the utility model by above-mentioned effect data intuitively has longer service life, has improved the performance of the vibration insulation and noise reduction of product under the high frequency state simultaneously.
Though more than described the specific embodiment of the present utility model, it will be understood by those of skill in the art that these only are casehistorys, protection domain of the present utility model is limited by appended claims.Those skilled in the art can make numerous variations or modification to these embodiments under the prerequisite that does not deviate from principle of the present utility model and essence, but these changes and modification all fall into protection domain of the present utility model.
Claims (10)
1. an exhaust system hanger is characterized in that, it comprises two installation portions, is respectively equipped with a mounting hole on the described installation portion; Described installation portion connects by two elastic arms, and described elastic arm forms an enclosed construction with described installation portion in the plane perpendicular to the axis of described mounting hole; This hanger comprises that also one is set in this enclosed construction peripheral and at least one end and the spacing band of this enclosed construction bonded assembly, the interior girth C of this spacing band
1Outer perimeter C greater than this enclosed construction
2
2. exhaust system hanger as claimed in claim 1 is characterized in that, described elastic arm is an arc in this plane, and this arc is outstanding to the outside from the inside of this enclosed construction.
3. exhaust system hanger as claimed in claim 1 is characterized in that, in this plane, the connecting portion of described elastic arm and installation portion all forms re-entrant angle in to this enclosed construction inner recess.
4. exhaust system hanger as claimed in claim 1, it is characterized in that, described elastic arm along the height of this axis direction less than the height of described installation portion along this axis direction, and with respect to this plane, the upper surface of described elastic arm and lower surface are between the upper surface and lower surface of described installation portion.
5. exhaust system hanger as claimed in claim 4 is characterized in that, the lower surface of the upper surface of described elastic arm and the upper surface of described installation portion, described elastic arm and the lower surface of described installation portion are respectively the smooth connection of arc.
6. exhaust system hanger as claimed in claim 4 is characterized in that, this plane is to lower recess relatively for the upper surface of this elastic arm, and relative this plane of the lower surface of described elastic arm is to upper process.
7. as each described exhaust system hanger among the claim 1-6, it is characterized in that the interior girth C of this spacing band
1=C
2+ 2a, a are the deformation quantity of this exhaust system hanger, C
1, C
2, a is natural number.
8. as each described exhaust system hanger among the claim 1-6, it is characterized in that, be equipped with one at the lateral surface of described installation portion and be used to the draw-in groove that card is established this spacing band.
9. as each described exhaust system hanger among the claim 1-6, it is characterized in that the spacing on the inside and outside surface of each described elastic arm is 1: 3～1: 7 with the ratio of the spacing on the inside and outside surface of each described installation portion.
10. exhaust system hanger as claimed in claim 9, it is characterized in that, this hanger adopts elastomeric material to make, the spacing on the inside and outside surface of described elastic arm is 1: 6 with the ratio of the spacing on the inside and outside surface of described installation portion, and the spacing on the forward and backward surface of described elastic arm is 1: 2 with the ratio of the spacing on the forward and backward surface of described installation portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205069602U CN201792737U (en) | 2010-08-24 | 2010-08-24 | Lifting lug of exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205069602U CN201792737U (en) | 2010-08-24 | 2010-08-24 | Lifting lug of exhaust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201792737U true CN201792737U (en) | 2011-04-13 |
Family
ID=43847658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205069602U Expired - Fee Related CN201792737U (en) | 2010-08-24 | 2010-08-24 | Lifting lug of exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201792737U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371887A (en) * | 2010-08-24 | 2012-03-14 | 上海骆氏减震件有限公司 | Lifting lug of exhaust system |
| CN103416953A (en) * | 2013-08-27 | 2013-12-04 | 李克武 | Schoolbag with respiration buckles |
| CN104057817A (en) * | 2013-03-18 | 2014-09-24 | 上汽通用五菱汽车股份有限公司 | Lifting lug of exhaust system and automobile with lifting lug |
| CN104118315A (en) * | 2013-04-25 | 2014-10-29 | 重庆长安汽车股份有限公司 | Lifting lug |
| CN104349970A (en) * | 2012-06-04 | 2015-02-11 | 本田技研工业株式会社 | Vehicle body structure |
-
2010
- 2010-08-24 CN CN2010205069602U patent/CN201792737U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371887A (en) * | 2010-08-24 | 2012-03-14 | 上海骆氏减震件有限公司 | Lifting lug of exhaust system |
| CN104349970A (en) * | 2012-06-04 | 2015-02-11 | 本田技研工业株式会社 | Vehicle body structure |
| CN104349970B (en) * | 2012-06-04 | 2017-09-01 | 本田技研工业株式会社 | Body construction |
| CN104057817A (en) * | 2013-03-18 | 2014-09-24 | 上汽通用五菱汽车股份有限公司 | Lifting lug of exhaust system and automobile with lifting lug |
| CN104118315A (en) * | 2013-04-25 | 2014-10-29 | 重庆长安汽车股份有限公司 | Lifting lug |
| CN103416953A (en) * | 2013-08-27 | 2013-12-04 | 李克武 | Schoolbag with respiration buckles |
| CN103416953B (en) * | 2013-08-27 | 2015-04-22 | 李克武 | Schoolbag with respiration buckles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU LUOSHI SHOCK ABSORPTION PARTS CO., LTD. Free format text: FORMER OWNER: SHANGHAI LUOSHI DAMPING PARTS CO., LTD. Effective date: 20141114 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201814 JIADING, SHANGHAI TO: 226600 NANTONG, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20141114 Address after: 226600 interchange of 221 provincial road and harmony Road, Haian Economic Development Zone, Haian County, Jiangsu, Nantong Patentee after: Jiangsu Luoshi Shock Absorption Parts Co., Ltd. Address before: Anting town Jiading District Shanghai city 201814 Anxiao Road No. 51 Patentee before: Shanghai Luoshi Damping Parts Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20190824 |