CN204775501U - Longeron connection structure and front deck longeron assembly about front deck - Google Patents
Longeron connection structure and front deck longeron assembly about front deck Download PDFInfo
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- CN204775501U CN204775501U CN201520317711.1U CN201520317711U CN204775501U CN 204775501 U CN204775501 U CN 204775501U CN 201520317711 U CN201520317711 U CN 201520317711U CN 204775501 U CN204775501 U CN 204775501U
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- plate
- longitudinal beam
- connecting plate
- suspension
- longeron
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Abstract
本实用新型提供一种前舱上下纵梁连接结构及前舱纵梁总成，该前舱上下纵梁连接结构包括主连接板、副连接板及悬置安装板，所述主连接板的上端固定在上纵梁的前端，下端直接或间接地固定在所述悬置安装板的外侧，所述悬置安装板的底部固定在下纵梁上，所述副连接板直接或间接地固定在所述主连接板上，所述副连接板设置有一悬置安装点，所述悬置安装板上设置有两个悬置安装点。根据本实用新型的前舱上下纵梁连接结构，副连接板上的悬置安装点动刚度较大，另外，新增的主连接板及副连接板，与上纵梁及下纵梁构成强度和刚度较大的框架结构，使得前舱纵梁总成的强度和刚度得到加强。
The utility model provides a connecting structure of the upper and lower longitudinal beams of the front cabin and a front cabin longitudinal beam assembly. The connecting structure of the upper and lower longitudinal beams of the front cabin includes a main connecting plate, an auxiliary connecting plate and a suspension mounting plate. The upper end of the main connecting plate fixed on the front end of the upper longitudinal beam, the lower end is directly or indirectly fixed on the outside of the suspension mounting plate, the bottom of the suspension mounting plate is fixed on the lower longitudinal beam, and the auxiliary connecting plate is directly or indirectly fixed on the On the main connection board, a suspension installation point is provided on the auxiliary connection board, and two suspension installation points are provided on the suspension installation board. According to the connection structure of the upper and lower longitudinal beams of the front cabin of the utility model, the suspension installation on the auxiliary connecting plate has a relatively large inching stiffness. In addition, the newly added main connecting plate and auxiliary connecting plate form a strength with the upper longitudinal beam and the lower longitudinal beam. The strength and rigidity of the front cabin longitudinal beam assembly are enhanced by the frame structure with high rigidity.
Description
Technical field
The utility model belongs to automotive suspension technical field, particularly relates to the upper and lower longeron connection structure of a kind of front deck and front deck longeron assembly.
Background technology
Automotive light weight technology is more and more by the attention of each main engine plants, and for this reason, the relation between vehicle body framework and dynamic assembly is more and more compacter.
In addition, because the ground Clearance of SUV vehicle is higher, vehicle body is in order to meet crash requirements, front side member should be tried one's best closely liftoff, and dynamic assembly because of the demand of arrangement in Z-direction (vertical direction) away from front stringpiece of vehicle body, for this reason generally on vehicle body, increase the installation that support realizes suspension, but can produce thus attachment point Y-direction (vehicle-width direction) dynamic/Static stiffness is difficult to the problem that promotes.
In addition, upper longeron front port is near tire and dynamic assembly (one of noise source in driving process), and on it, the rear end cavity of longeron front port leads directly to A post, near front-row occupant, affects traveling comfort, needs the transmission taking different modes noise isolation.
Such as, the front deck longeron assembly of Guangzhou Automobile Workshop Chuan Qi GA3, upper longeron front opening cross section (opening wide), noise is directly delivered to A post, carrys out noise isolation by longeron cavity in sponge shutoff.Upper longeron front end and lower longeron non-structure part link into an integrated entity, and suspension Y-direction attachment point is directly arranged in sheet member (Wheelhouse panel), cause herein that Y-direction dynamic stiffness is on the weak side.
Above-mentioned front deck longeron assembly noise isolation transmission has newly increased sponge, thus, can add the quantity of part and the time of assembling.Further, upper longeron front end and lower longeron non-structure part link into an integrated entity, and suspension Y-direction attachment point is directly arranged in sheet member, cause herein that Y-direction dynamic stiffness is on the weak side.
Utility model content
Technical problem to be solved in the utility model is for existing front deck longeron assembly, and its suspension Y-direction attachment point is directly arranged in sheet member and causes the defect that Y-direction dynamic stiffness is on the weak side herein, provides a kind of front deck upper and lower longeron connection structure.
It is as follows that the utility model solves the problems of the technologies described above adopted technical scheme:
There is provided a kind of front deck upper and lower longeron connection structure, comprise main connecting panel, secondary connecting panel and suspension adapter plate, the upper end of described main connecting panel is fixed on the front end of longeron, lower end is fixed on the outside of described suspension adapter plate directly or indirectly, the bottom of described suspension adapter plate is fixed on lower longeron, described secondary connecting panel is fixed on described main connecting panel directly or indirectly, and described secondary connecting panel is provided with a suspension attachment point, described suspension adapter plate is provided with two suspension attachment points.
Further, described upper longeron is weld by upper side rail and upper girder plate the hollow-pole charge structure formed, described upper side rail and upper girder plate front end overlap welding with close described on the front end of longeron, the upper end of described main connecting panel is welded on the front end of girder plate.
Further, the upper and lower longeron connection structure of described front deck also comprises Wheelhouse panel, the upper end of described Wheelhouse panel is welded on the inner side of described upper side rail, the upper end of described main connecting panel is welded on the outside of described upper side rail, the outside of described suspension adapter plate is formed with flanging, described flanging is welded on described Wheelhouse panel, by described Wheelhouse panel, the lower end of described main connecting panel is fixed on indirectly the outside of described suspension adapter plate thus.
Further, the part described main connecting panel is welded on beyond on described upper side rail is welded on the inner side of described Wheelhouse panel, described secondary connecting panel is welded on the outside of described Wheelhouse panel, is indirectly fixed on described main connecting panel by described secondary connecting panel thus by described Wheelhouse panel.
Further, described main connecting panel outwardly also and between described Wheelhouse panel forms cavity, and described secondary connecting panel is inwardly given prominence to and and formed cavity between described Wheelhouse panel.
Further, the weld of described main connecting panel and the weld of described secondary connecting panel partly overlap.
According to the upper and lower longeron connection structure of front deck of the present utility model, the upper end of main connecting panel is fixed on the front end of longeron, lower end is fixed on the outside of suspension adapter plate directly or indirectly, the bottom of suspension adapter plate is fixed on lower longeron, secondary connecting panel is fixed on main connecting panel directly or indirectly, secondary connecting panel arranges a suspension attachment point (Y-direction attachment point), suspension adapter plate is arranged two suspension attachment points, like this, suspension Y-direction attachment point is arranged on secondary connecting panel, secondary connecting panel is then fixed on main connecting panel indirectly or directly, main connecting panel is again with upper longeron and suspend adapter plate and be connected, thus, suspension attachment point dynamic stiffness on secondary connecting panel is larger, in addition, newly-increased main connecting panel and secondary connecting panel, the larger framed structure of strength and stiffness is formed with upper longeron and lower longeron, the strength and stiffness of front deck longeron assembly are strengthened.
In addition, the utility model additionally provides a kind of front deck longeron assembly, and it comprises the upper and lower longeron connection structure of longeron, lower longeron and above-mentioned front deck.
Further, described upper longeron is weld by upper side rail and upper girder plate the hollow-pole charge structure formed, described upper side rail and upper girder plate front end overlap welding with close described on the front end of longeron.
Accompanying drawing explanation
Fig. 1 is the structural representation of the car cabin front side member assembly that the utility model one embodiment provides;
Fig. 2 is the exploded drawings of Fig. 1;
Fig. 3 is the structural representation of the car cabin front side member assembly that provides of the utility model one embodiment longeron on it;
Fig. 4 is the part sectional view (enlarged drawing) along A-A direction in Fig. 3.
Reference numeral in Figure of description is as follows:
1, main connecting panel; 2, secondary connecting panel; 21, attachment point is suspended; 3, adapter plate is suspended; 31, flanging; 32, attachment point is suspended; 4, Wheelhouse panel; 5, upper longeron; 51, upper side rail; 52, upper girder plate; 6, lower longeron.
Detailed description of the invention
The technical matters solved to make the utility model, technical scheme and beneficial effect are clearly understood, below in conjunction with drawings and Examples, are described in further detail the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figures 1 to 4, the front deck longeron assembly that the utility model one embodiment provides comprises main connecting panel 1, secondary connecting panel 2, suspension adapter plate 3, Wheelhouse panel 4, upper longeron 5 and lower longeron 6.Wherein, main connecting panel 1, secondary connecting panel 2, suspension adapter plate 3 and Wheelhouse panel 4 form the upper and lower longeron connection structure of front deck.
In the present embodiment, as shown in Figures 2 to 4, upper longeron 5 is weld by upper side rail 51 and upper girder plate 52 hollow-pole charge structure formed, described upper side rail 51 and upper girder plate 52 front end overlap welding with close described on the front end of longeron 5, the upper end of described Wheelhouse panel 4 is welded on the inner side of described upper side rail 51, the upper end of described main connecting panel 1 is welded on the outside of described upper girder plate 52, the outside of described suspension adapter plate 3 is formed with flanging 31, described flanging 31 is welded on described Wheelhouse panel 4, by described Wheelhouse panel 4, the lower end of described main connecting panel 1 is fixed on indirectly the outside of described suspension adapter plate 3 thus.
In addition, the part described main connecting panel 1 is welded on beyond on described upper side rail 51 is welded on the inner side of described Wheelhouse panel 4, described secondary connecting panel 2 is welded on the outside of described Wheelhouse panel 4, is indirectly fixed on described main connecting panel 1 by described secondary connecting panel 2 thus by described Wheelhouse panel 4.
In the present embodiment, the bottom welding of described suspension adapter plate 3 is on lower longeron 6, and described secondary connecting panel 2 is provided with a suspension attachment point 21, described suspension adapter plate 3 is provided with two suspension attachment points 32.
In the present embodiment, described main connecting panel 1 outwardly also and between described Wheelhouse panel 4 forms cavity, and described secondary connecting panel 2 is inwardly given prominence to and and formed cavity between described Wheelhouse panel 4.Form cavity between secondary connecting panel 2 and described Wheelhouse panel 4, and it is overlapping on the thickness direction of Wheelhouse panel 4 to form cavity between main connecting panel 1 with described Wheelhouse panel 4.
In the present embodiment, the weld of described main connecting panel 1 and the weld of described secondary connecting panel 2 partly overlap.Namely the welding flange of main connecting panel 1 and the welding flange of secondary connecting panel 2 overlapping in the thickness direction upper part of Wheelhouse panel 4, thus, the welding region of main connecting panel 1, Wheelhouse panel 4 and secondary connecting panel 2 correspondence forms three ply board welding and strengthens structure.The dynamic stiffness of the suspension attachment point 21 on secondary connecting panel 2 is strengthened.
In the present embodiment, as shown in Figures 3 and 4, described upper side rail 51 and upper girder plate 52 front end overlap welding with close described on the front end of longeron 5.Like this, do not need, carrying out noise isolation by longeron cavity in sponge shutoff, to decrease part and time of setting up.
According to the upper and lower longeron connection structure of the front deck of the utility model above-described embodiment and front deck longeron assembly, the upper end of main connecting panel is fixed on the front end of longeron, lower end is fixed on the outside of suspension adapter plate, the bottom of suspension adapter plate is fixed on lower longeron, secondary connecting panel is fixed on main connecting panel directly or indirectly, secondary connecting panel arranges a suspension attachment point (Y-direction attachment point), suspension adapter plate is arranged two suspension attachment points, like this, suspension Y-direction attachment point is arranged on secondary connecting panel, secondary connecting panel is then fixed on main connecting panel indirectly or directly, main connecting panel is again with upper longeron and suspend adapter plate and be connected, thus, suspension attachment point dynamic stiffness on secondary connecting panel is larger, in addition, newly-increased main connecting panel and secondary connecting panel, the larger framed structure of strength and stiffness is formed with upper longeron and lower longeron, the strength and stiffness of front deck longeron assembly are strengthened.Further, vehicle favorable expandability (after retrofit car or change dynamic assembly, by means of only change suspension mounting bracket and secondary connecting panel).
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520317711.1U CN204775501U (en) | 2015-05-15 | 2015-05-15 | Longeron connection structure and front deck longeron assembly about front deck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520317711.1U CN204775501U (en) | 2015-05-15 | 2015-05-15 | Longeron connection structure and front deck longeron assembly about front deck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204775501U true CN204775501U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520317711.1U Expired - Lifetime CN204775501U (en) | 2015-05-15 | 2015-05-15 | Longeron connection structure and front deck longeron assembly about front deck |
Country Status (1)
| Country | Link |
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| CN (1) | CN204775501U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109823410A (en) * | 2019-02-28 | 2019-05-31 | 东风小康汽车有限公司重庆分公司 | A kind of forward engine room sealing plate connection structure |
-
2015
- 2015-05-15 CN CN201520317711.1U patent/CN204775501U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109823410A (en) * | 2019-02-28 | 2019-05-31 | 东风小康汽车有限公司重庆分公司 | A kind of forward engine room sealing plate connection structure |
| CN109823410B (en) * | 2019-02-28 | 2024-04-19 | 东风小康汽车有限公司重庆分公司 | Front engine room sealing plate connecting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20151118 |