CN204415515U - A kind of fore sub frame assembly and automobile - Google Patents
A kind of fore sub frame assembly and automobile Download PDFInfo
- Publication number
- CN204415515U CN204415515U CN201420869611.5U CN201420869611U CN204415515U CN 204415515 U CN204415515 U CN 204415515U CN 201420869611 U CN201420869611 U CN 201420869611U CN 204415515 U CN204415515 U CN 204415515U
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- Prior art keywords
- front cross
- cross rail
- hole
- sub frame
- frame assembly
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- Expired - Fee Related
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- 238000005987 sulfurization reaction Methods 0.000 claims description 4
- 235000019994 cava Nutrition 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Body Structure For Vehicles (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The utility model provides a kind of fore sub frame assembly and automobile, this fore sub frame assembly comprises attachment point after the first through hole on front cross rail upper plate, front cross rail lower plate, front cross rail upper plate, the second through hole in front cross rail lower plate and Control arm, fore sub frame assembly also comprises the resonance block be arranged on front cross rail upper plate and the sleeve pipe be arranged in front cross rail lower plate, sleeve pipe is inserted in the second through hole, and the middle part of sleeve pipe is provided with the first hollow structure; Resonance block comprises inner core, rubber layer and shell, the middle part of inner core is provided with the second hollow structure, rubber layer is arranged on the periphery of the first half of inner core, shell is arranged on the periphery of rubber layer, the latter half of inner core is inserted in the first through hole, wherein, and the dead in line of the first through hole, the second through hole, the first hollow structure and the second hollow structure, fore sub frame assembly of the present utility model can optimize car load noise, vibration with sound vibration roughness performance, raising automobile comfort level.
Description
Technical field
The utility model relates to automobile technical field, particularly a kind of fore sub frame assembly and automobile.
Background technology
Along with improving constantly of car mass, people are also more and more comprehensive to the requirement of automobile, particularly automobile traveling comfort operationally.But all use the fore sub frame as shown in Fig. 1 ~ Fig. 2 due to current most of automobile, therefore cause when automotive operation keeps off in certain speed, the oscillation frequency of the fore sub frame of automobile may be close to or reaches the certain vibration frequency of fore sub frame, cause internal car noise excessive, the comfort level of automobile greatly reduces.In addition, after the Control arm of this fore sub frame, the non-mounting plane of the mounting plane at attachment point place and periphery thereof as shown in Figure 3, probably like this occurs the phenomenon that stress is concentrated.
Utility model content
The object of the utility model embodiment is to provide a kind of fore sub frame assembly and automobile, can optimize the noise of car load, vibration and sound vibration roughness (NVH, Noise, Vibration, Harshness) performance, improve the comfort level of automobile.
In order to achieve the above object, embodiment of the present utility model provides a kind of fore sub frame assembly, this fore sub frame assembly comprises front cross rail upper plate, front cross rail lower plate, the first through hole be arranged on front cross rail upper plate, be arranged on the second through hole in front cross rail lower plate and Control arm after attachment point, fore sub frame assembly also comprises the resonance block be arranged on front cross rail upper plate and the sleeve pipe be arranged in front cross rail lower plate, sleeve pipe is inserted in the second through hole, and the middle part of sleeve pipe is provided with the first hollow structure;
Resonance block comprises inner core, rubber layer and shell, and the middle part of inner core is provided with the second hollow structure, and rubber layer is arranged on the periphery of the first half of inner core, and shell is arranged on the periphery of rubber layer, and the latter half of inner core is inserted in the first through hole,
Wherein, the dead in line of the first through hole, the second through hole, the first hollow structure and the second hollow structure, resonance block and sleeve pipe are separately positioned on front cross rail upper plate and in front cross rail lower plate by the cooperation of bolt, the first through hole, the first hollow structure, the second hollow structure and the second through hole.
Alternatively, inner core and sleeve pipe are cylindrical structural.
Alternatively, resonance block is formed in one structure.
Alternatively, the first half of rubber layer and inner core and shell are sulfuration with rubber layer and are connected.
Alternatively, be provided with an inclined-plane between the mounting plane at attachment point place and the non-mounting plane of mounting plane periphery after Control arm, and mounting plane caves inward relative to non-mounting plane.
Of the present utility modelly embodiment still provides a kind of automobile, comprise above-mentioned fore sub frame assembly.
Such scheme of the present utility model has following beneficial effect:
In embodiment of the present utility model, in the operational process of automobile, promote the single order mode of fore sub frame by the resonance block be arranged on front cross rail upper plate, optimize the NVH performance of car load, thus improve the comfort level of car load.
Accompanying drawing explanation
Fig. 1 is one of structural representation of fore sub frame in prior art;
Fig. 2 is the structural representation two of fore sub frame in prior art;
Fig. 3 is the schematic diagram of the mounting plane at attachment point place after Control arm in prior art and the non-mounting plane of periphery thereof;
Fig. 4 is one of structural representation of fore sub frame assembly in the utility model embodiment;
Fig. 5 is the structural representation two of fore sub frame assembly in the utility model embodiment;
Fig. 6 is the structural representation of resonance block in the utility model embodiment;
Fig. 7 is provided with the front cross rail upper plate of resonance block and is provided with the section-drawing of front cross rail lower plate of sleeve pipe in the utility model embodiment;
Fig. 8 is the schematic diagram of the mounting plane at attachment point place after Control arm in the utility model embodiment and the non-mounting plane of periphery thereof.
Description of reference numerals:
1, front cross rail upper plate; 2, front cross rail lower plate; 3, resonance block; 4, sleeve pipe; 5, inner core; 6, rubber layer; 7, shell; 8, bolt; 9, attachment point after Control arm; 10, mounting plane; 11, non-mounting plane; 12, front cross rail.
Detailed description of the invention
For making the technical problems to be solved in the utility model, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The utility model in prior art when automotive operation keeps off in certain speed, the oscillation frequency of fore sub frame may be close to or reaches the certain vibration frequency of fore sub frame, cause internal car noise excessive, the problem that the comfort level of automobile greatly reduces, provide a kind of fore sub frame assembly and automobile, the NVH performance of car load can be optimized, improve the comfort level of automobile.
As shown in Figure 4 to 7, embodiment of the present utility model provides a kind of fore sub frame assembly, this fore sub frame assembly comprises front cross rail upper plate 1, front cross rail lower plate 2, the first through hole be arranged on front cross rail upper plate 1, be arranged on the second through hole in front cross rail lower plate 2 and Control arm after attachment point 9, fore sub frame assembly also comprises the resonance block 3 be arranged on front cross rail upper plate 1 and the sleeve pipe 4 be arranged in front cross rail lower plate 2, sleeve pipe 4 is inserted in the second through hole, and the middle part of sleeve pipe 4 is provided with the first hollow structure; Resonance block 3 comprises inner core 5, rubber layer 6 and shell 7, the middle part of inner core 5 is provided with the second hollow structure, rubber layer 6 is arranged on the periphery of the first half of inner core 5, shell 7 is arranged on the periphery of rubber layer 6, the latter half of inner core 5 is inserted in the first through hole, wherein, the dead in line of the first through hole, the second through hole, the first hollow structure and the second hollow structure, resonance block 3 and sleeve pipe 4 are separately positioned on front cross rail upper plate 1 and in front cross rail lower plate 2 by the cooperation of bolt 8, first through hole, the first hollow structure, the second hollow structure and the second through hole.
In specific embodiment of the utility model, by fixing resonance block 3 on the front cross rail upper plate 1 of the fore sub frame at automobile, thus promote the single order mode of automobile front subframe, meet the NVH performance requriements of car load.That is, reduce the internal car noise in car running process, improve the comfort level of automobile.
In specific embodiment of the utility model, by mounting sleeve 4 in front cross rail lower plate 2, when can avoid fixing resonance block 3 on front cross rail upper plate 1, whole front cross rail 12 sink.
In specific embodiment of the utility model, the inner core 5 of resonance block 3 and the material of shell 7 are metal, it is appreciated of course that, in embodiment of the present utility model, do not limit the material of inner core 5 and shell 7.
Alternatively, as shown in Fig. 6 ~ Fig. 7, in above-described embodiment of the present utility model, inner core 5 and sleeve pipe 4 are cylindrical structural.It is appreciated of course that, in embodiment of the present utility model, do not limit the concrete shape of inner core 5 and sleeve pipe 4, as long as in the middle part of it for hollow, be convenient to be arranged on front cross rail 12.
Alternatively, as shown in Figure 6, in above-described embodiment of the present utility model, resonance block 3 is formed in one structure, and the first half of rubber layer 6 and inner core 5 and shell 7 are sulfuration with rubber layer 6 is connected.
In specific embodiment of the utility model, the mode connected by sulfuration makes the as a whole structure of resonance block 3, makes the structure of resonance block 3 simple like this, easy-formation, easy to assemble and cost is low.
Alternatively, as shown in Figure 8, in above-described embodiment of the present utility model, be provided with an inclined-plane between the mounting plane 10 at attachment point 9 place and the non-mounting plane 11 of mounting plane 10 periphery after Control arm, and mounting plane 10 caves inward relative to non-mounting plane 11.
In specific embodiment of the utility model, inclined-plane after Control arm between the mounting plane 10 at attachment point 9 place and the non-mounting plane 11 of mounting plane 10 periphery, make the transition between mounting plane 10 and non-mounting plane 11 more smooth-going, be conducive to reducing stress concentration phenomenon and occur.
Of the present utility modelly embodiment still provides a kind of automobile, comprise above-mentioned fore sub frame assembly.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from 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 (6)
1. a fore sub frame assembly, comprise front cross rail upper plate, front cross rail lower plate, be arranged on the first through hole on described front cross rail upper plate and the second through hole be arranged in described front cross rail lower plate and Control arm after attachment point, it is characterized in that, described fore sub frame assembly also comprises the resonance block be arranged on described front cross rail upper plate and the sleeve pipe be arranged in described front cross rail lower plate, described sleeve pipe is inserted in described second through hole, and the middle part of described sleeve pipe is provided with the first hollow structure;
Described resonance block comprises inner core, rubber layer and shell, the middle part of described inner core is provided with the second hollow structure, and described rubber layer is arranged on the periphery of the first half of described inner core, and described shell is arranged on the periphery of described rubber layer, the latter half of described inner core is inserted in described first through hole
Wherein, the dead in line of described first through hole, described second through hole, described first hollow structure and described second hollow structure, described resonance block and described sleeve pipe are separately positioned on described front cross rail upper plate and in described front cross rail lower plate by the cooperation of bolt, described first through hole, described first hollow structure, described second hollow structure and described second through hole.
2. fore sub frame assembly as claimed in claim 1, it is characterized in that, described inner core and described sleeve pipe are cylindrical structural.
3. fore sub frame assembly as claimed in claim 1, is characterized in that, described resonance block is formed in one structure.
4. fore sub frame assembly as claimed in claim 1, is characterized in that, the first half of described rubber layer and described inner core and described shell are sulfuration with described rubber layer and are connected.
5. fore sub frame assembly as claimed in claim 1, it is characterized in that, be provided with an inclined-plane between the mounting plane at attachment point place and the non-mounting plane of described mounting plane periphery after described Control arm, and described mounting plane caves inward relative to described non-mounting plane.
6. an automobile, is characterized in that, comprises the fore sub frame assembly as described in any one of Claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420869611.5U CN204415515U (en) | 2014-12-31 | 2014-12-31 | A kind of fore sub frame assembly and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420869611.5U CN204415515U (en) | 2014-12-31 | 2014-12-31 | A kind of fore sub frame assembly and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204415515U true CN204415515U (en) | 2015-06-24 |
Family
ID=53465908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420869611.5U Expired - Fee Related CN204415515U (en) | 2014-12-31 | 2014-12-31 | A kind of fore sub frame assembly and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204415515U (en) |
-
2014
- 2014-12-31 CN CN201420869611.5U patent/CN204415515U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150624 |