CN207644489U - Preceding floor front beam and front-body structure - Google Patents
Preceding floor front beam and front-body structure Download PDFInfo
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- CN207644489U CN207644489U CN201721925156.6U CN201721925156U CN207644489U CN 207644489 U CN207644489 U CN 207644489U CN 201721925156 U CN201721925156 U CN 201721925156U CN 207644489 U CN207644489 U CN 207644489U
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- preceding floor
- longitudinal beam
- reinforcing plate
- concave groove
- seat
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Abstract
The utility model belongs to body structure technical field, it is related to a kind of preceding floor front beam and front-body structure, the preceding floor front beam includes integrally formed cross-beam body, left longitudinal beam connected and right longitudinal beam connected, the left longitudinal beam connected and right longitudinal beam connected are located at the left and right sides of the cross-beam body, the left longitudinal beam connected and right longitudinal beam connected are extended to form forwards by the forward edge of the cross-beam body, the transverse concave groove of opening upwards is formed in the cross-beam body, the left side longitudinal fluting for being formed with opening upwards in the left longitudinal beam connected and being connected to the transverse concave groove, the right side longitudinal fluting for being formed with opening upwards in the right longitudinal beam connected and being connected to the transverse concave groove.The preceding floor front beam of the utility model embodiment is formed as one formula structure, and preceding floor front beam itself avoids X to welding, eventually reduce the welding difficulty degree of subtracting of preceding floor front beam and periphery member without welding.
Description
Technical field
The utility model belongs to body structure technical field, more particularly to a kind of preceding floor front beam and foreside bodywork knot
Structure.
Background technology
Preceding floor front beam is the key component of power transmission in forward engine room and preceding floor junction, how to realize what power was transmitted
Optimization is a technological difficulties.In addition, preceding floor front beam provides Seat-fixed point, the reasonability that installation point power is transmitted is structure
The key of optimization.
Existing preceding floor front beam, is typically welded by multiple parts and is formed, then by welding stringer and antetheca
Plate connects.Seat-fixed point in preceding floor front beam reinforcing plate reinforces rigidity using mounting plates structure.So that preceding floor
The welding position of front beam has more part, brings number of parts more and the difficulties such as management cost height.Also, before preceding floor
For crossbeam in assembly welding, overlap joint place is more.In addition, stringer needs to spell to (vehicle commander direction) in X with preceding floor front beam
Weldering, X require height to welding Butt welding gun, eventually lead to the welding difficulty of preceding floor front beam and periphery member.
Utility model content
Technical problem to be solved in the utility model is：For horizontal and periphery member welding difficulty before existing preceding floor
Problem provides a kind of preceding floor front beam and front-body structure.
In order to solve the above technical problems, on the one hand, the utility model embodiment provides a kind of preceding floor front beam, including one
Body formed cross-beam body, left longitudinal beam connected and right longitudinal beam connected, the left longitudinal beam connected and right longitudinal beam connected are located at institute
State the left and right sides of cross-beam body, the left longitudinal beam connected and right longitudinal beam connected by the cross-beam body forward edge forwards
Extend to form, the transverse concave groove of opening upwards be formed in the cross-beam body, be formed in the left longitudinal beam connected opening to
Left side longitudinal fluting that is upper and being connected to the transverse concave groove, be formed in the right longitudinal beam connected opening upwards and with the cross
The right side longitudinal fluting being connected to groove.
Optionally, the side wall of the left side longitudinal fluting is connect with the side wall of the transverse concave groove by the first arc surface,
The side wall of the right side longitudinal fluting is connect with the side wall of the transverse concave groove by the second arc surface.
On the other hand, a kind of front-body structure of the utility model embodiment offer, including preceding floor front beam reinforcing plate,
Front panel and above-mentioned preceding floor front beam, the preceding floor front beam reinforcing plate are connected to above the preceding floor front beam,
The front end of the left longitudinal beam connected is connect with the front panel, and the front end of the right longitudinal beam connected is connect with the front panel.
Optionally, the bottom of the front panel is fixedly connected with the left reinforcing plate in front panel bottom and front panel bottom, right is reinforced
Plate, the front end of the left longitudinal beam connected are connect with the left reinforcing plate in front panel bottom, the front end of the right longitudinal beam connected and institute
State the connection of front panel bottom, right reinforcing plate.
Optionally, scrap (bridge) welds in the vertical direction with the left reinforcing plate in front panel bottom for the front end of the left longitudinal beam connected
It connects, scrap (bridge) welds in the vertical direction with the front panel bottom, right reinforcing plate for the front end of the right longitudinal beam connected.
Optionally, the preceding floor front beam reinforcing plate covers the transverse concave groove, to add in the preceding floor front beam
By force cavity body structure is formed between plate and preceding floor front beam.
Optionally, the preceding floor front beam reinforcing plate is integrally formed with the right installation branch of seat left installation bracket and seat
Frame.
Optionally, it is logical to offer first on front side of the seat left installation bracket for the preceding floor front beam reinforcing plate
Hole, the front end of the seat left installation bracket are provided with left side and cut tongue structure, and it is logical positioned at described first that tongue structure is cut in the left side
Below hole, the left side is cut tongue structure lower end and is connect with the bottom of the transverse concave groove；
The preceding floor front beam reinforcing plate offers the second through-hole, the seat on front side of the seat right mounting bracket
The front end of chair right mounting bracket is provided with right side and cuts tongue structure, and the right side is cut tongue structure and is located at below second through-hole, institute
Tongue structure lower end is cut on the right side of stating to connect with the bottom of the transverse concave groove.
Optionally, the left side is cut tongue structure and is integrally formed with the seat left installation bracket, and tongue structure is cut in the left side
Include the left support plate extended downwardly by the front end of the seat left installation bracket and is formed in a left side for the left support plate lower end
Flange is welded, the left welding flange is close to weld with the bottom of the transverse concave groove in the vertical direction.
The right side is cut tongue structure and is integrally formed with the seat right mounting bracket, and it includes by institute that tongue structure is cut on the right side
It states right support plate that the front end of seat right mounting bracket extends downwardly and is formed in the backhand welding of the right support plate lower end and connect flange,
The backhand welding connects flange and is close to weld with the bottom of the transverse concave groove in the vertical direction.
Optionally, the front-body structure further includes left front girder back plate component and front right longitudinal beam back plate component, described
The left end of cross-beam body is connected on the left front girder back plate component, the right end of the cross-beam body be connected to it is described it is right before indulge
On beam back plate component.
The preceding floor front beam and front-body structure of the utility model embodiment, preceding floor front beam include being integrally formed
Cross-beam body, left longitudinal beam connected and right longitudinal beam connected, left longitudinal beam connected and right longitudinal beam connected by cross-beam body forward edge
It extends to form forwards, the front end of left longitudinal beam connected and right longitudinal beam connected is connect with front panel.In this way, preceding floor front beam is formed
Be an integral structure, preceding floor front beam itself avoids X to welding without welding, eventually reduce preceding floor front beam with
The welding difficulty degree of subtracting of periphery member.In addition, decrease amount of parts, loss of weight and the accuracy of manufacture can be improved.In addition, when vapour occurs
When vehicle front shock, impact force is transferred to cross-beam body by front panel by left longitudinal beam connected and right longitudinal beam connected, then by crossbeam
Ontology is effectively evenly transmitted to body rear end, is conducive to the transmission of power, improves body stiffness and collision performance.
Description of the drawings
Fig. 1 is the schematic diagram for the front-body structure that one embodiment of the utility model provides；
Fig. 2 is that the left longitudinal beam connected for the front-body structure that one embodiment of the utility model provides adds with a front panel bottom left side
The enlarged drawing of strong plate junction；
Fig. 3 is to cut enlarged drawing at tongue structure on the left of front-body structure that one embodiment of the utility model provides.
Reference numeral in specification is as follows：
1, preceding floor front beam；11, cross-beam body；111, transverse concave groove；1111, side wall；12, left longitudinal beam connected；121、
Left side longitudinal fluting；1211, side wall；13, right longitudinal beam connected；131, right side longitudinal fluting；14, the first arc surface；2, preceding floor
Front beam reinforcing plate；21, seat left installation bracket；22, seat right mounting bracket；23, first through hole；24, tongue structure is cut in left side；
241, left support plate；242, left welding flange；25, the second through-hole；26, tongue structure is cut on right side；3, front panel；4, front panel bottom
Left reinforcing plate；5, front panel bottom, right reinforcing plate；6, left front girder back plate component；7, front right longitudinal beam back plate component.
Specific implementation mode
The technical issues of in order to keep the utility model solved, technical solution and advantageous effect are more clearly understood, below
In conjunction with accompanying drawings and embodiments, the utility model is described in further detail.It should be appreciated that specific reality described herein
Example is applied only to explain the utility model, is not used to limit the utility model.
Herein, front, back, left, right, up, down refers to orientation (the acquiescence side of vehicle axis system when vehicle level is placed
Position), before the side of wherein headstock direction is, other orientation are using front as reference.
As shown in Figure 1, the front-body structure that one embodiment of the utility model provides, including it is preceding floor front beam 1, preceding
Plate front beam reinforcing plate 2 and front panel 3.The preceding floor front beam reinforcing plate 2 is connected to 1 top of the preceding floor front beam.
As shown in Figures 1 and 2, the preceding floor front beam 1 includes integrally formed cross-beam body 11, left longitudinal beam connected 12
And right longitudinal beam connected 13, the left longitudinal beam connected 12 and right longitudinal beam connected 13 are located at the left and right two of the cross-beam body 11
Side, the left longitudinal beam connected 12 and right longitudinal beam connected 13 are extended to form forwards by the forward edge of the cross-beam body 11, institute
State the transverse concave groove 111 that opening upwards are formed in cross-beam body 11, be formed in the left longitudinal beam connected 12 opening upwards and
The left side longitudinal fluting 121 being connected to the transverse concave groove 111, be formed in the right longitudinal beam connected 13 opening upwards and with institute
State the right side longitudinal fluting 131 of the connection of transverse concave groove 111.
That is, as shown in Fig. 2, left longitudinal beam connected 12 forms the three-port structure of integral type with the junction of cross-beam body 11, have
Conducive to the continuous transmission of power, and the welding of left longitudinal beam connected 12 and cross-beam body 11 is avoided, welding position is reduced and is reduced
Welding difficulty.
Equally, right longitudinal beam connected 13 forms the three-port structure of integral type, the one at this with the junction of cross-beam body 11
The three-port structure of formula acts on the three-port structure phase of the integral type formed with the junction of left longitudinal beam connected 12 and cross-beam body 11
Together.
In addition, as shown in Fig. 2, in one embodiment, the side wall 1211 of the left side longitudinal fluting 121 and the transverse direction are recessed
The side wall 1111 of slot 111 is connected by the first arc surface 14, that is, left side longitudinal fluting 121 and 111 rounding off of transverse concave groove.
Similarly, the side wall of the right side longitudinal fluting 131 and the side wall 1111 of the transverse concave groove 111 pass through the second arc surface (figure
In be not shown) connection, that is, right side longitudinal fluting 131 and 111 rounding off of transverse concave groove.In this way, in cross-beam body 11 and left company
It connects the junction of longeron 12 and the junction of cross-beam body 11 and right longitudinal beam connected 13, the transmission of power is more uniform.
In one embodiment, the preceding floor front beam reinforcing plate 2 covers the transverse concave groove 111, with described preceding
Cavity body structure is formed between plate front beam reinforcing plate 2 and preceding floor front beam 1.The cavity body structure is conducive to the transmission of power, can
Optimize front shock performance.
In one embodiment, the preceding floor front beam reinforcing plate 2 is integrally formed with seat left installation bracket 21 and seat
Right mounting bracket 22.In this way so that preceding floor front beam reinforcing plate 2 has simple in structure, light-weight, number of parts few and solder joint
Advantage is put less.
In one embodiment, as shown in Figures 1 and 3, the preceding floor front beam reinforcing plate 2 is in the left installation branch of the seat
The front side of frame 21 offers first through hole 23, and the front end of the seat left installation bracket 21 is provided with left side and cuts tongue structure 24, institute
Tongue structure 24 is cut on the left of stating and is located at 23 lower section of the first through hole, and 24 lower end of tongue structure and the transverse concave groove are cut in the left side
111 bottom is connected by modes such as welding.The preceding floor front beam reinforcing plate 2 is before the seat right mounting bracket 22
Side offers the second through-hole 25, and the front end of the seat right mounting bracket 22 is provided with right side and cuts tongue structure 26, and the right side is cut
Tongue structure 26 is located at second through-hole, 25 lower section, and the bottom of tongue structure 26 lower end and the transverse concave groove 111 is cut on the right side
It is connected by modes such as welding.
In a preferred embodiment, as shown in figure 3, tongue structure 24 and the seat left installation bracket 21 1 are cut in the left side
Body formed, it includes the left support plate extended downwardly by the front end of the seat left installation bracket 21 that tongue structure 24 is cut in the left side
241 and it is formed in the left welding flange 242 of 241 lower end of the left support plate, the left welding flange 242 is in vertical direction (Z
To) on the bottom of the transverse concave groove 111 be close to weld.
In a preferred embodiment, the right side is cut tongue structure 26 and is integrally formed with the seat right mounting bracket 22, institute
It includes the right support plate (being indicated in figure) extended downwardly by the front end of the seat right mounting bracket 22 to state right side and cut tongue structure 26
And be formed in the backhand welding of the right support plate lower end and connect flange (being indicated in figure), the backhand welding connect flange in the vertical direction with institute
It is close to weld in the bottom for stating transverse concave groove 111.
In a preferred embodiment, right side cuts tongue structure 26 and cuts tongue structure 24 with left side is symmetrical arranged in the vehicle width direction.
The bottom that seat left installation bracket 21 is connected to preceding floor front beam 1 by tongue structure 24 is cut in left side, and tongue knot is cut on right side
Seat left installation bracket 22 is connected to the bottom of preceding floor front beam 1 by structure 26 so that preceding floor front beam reinforcing plate 2 and preceding cross
The top and bottom of beam 1 connect simultaneously, the loading force at installation point (at seat left installation bracket 21 and seat right mounting bracket)
It can be evenly transferred on preceding floor front beam 1, installation point rigidity is ensure that under conditions of not increasing part.
As shown in Figure 1, the front end of the left longitudinal beam connected 12 is connect with the front panel 3, the right longitudinal beam connected 13
Front end is connect with the front panel 3.
In one embodiment, as shown in Figures 1 and 2, the bottom of the front panel 3 is fixedly connected with by modes such as welding
The left reinforcing plate 4 in front panel bottom and front panel bottom, right reinforcing plate 5, the front end of the left longitudinal beam connected 12 and the front panel bottom
The left reinforcing plate 4 in portion connects, and the front end of the right longitudinal beam connected 13 is connect with the front panel bottom, right reinforcing plate 5.
In a preferred embodiment, the left reinforcing plate in the front end of the left longitudinal beam connected 12 and the front panel bottom 4 is perpendicular
Histogram scrap (bridge) in (Z-direction) welds, and the front end of the right longitudinal beam connected 13 is with the front panel bottom, right reinforcing plate 5 in vertical side
Scrap (bridge) welds in (Z-direction).It is welded to (vehicle commander direction) in this way, avoiding X, reduces welding difficulty.
In one embodiment, as shown in Figure 1, before the front-body structure further includes left front girder back plate component 6 and the right side
The left end of longeron back plate component 7, the cross-beam body 11 is connected to the left front girder back plate component 6 by modes such as welding
On, the right end of the cross-beam body 11 is connected to by modes such as welding on the front right longitudinal beam back plate component 7.
The front-body structure of above-described embodiment, assembling process are as follows：
First, the left reinforcing plate 4 in front panel bottom, which is welded on front panel bottom, right reinforcing plate 5 in front panel 3, constitutes antetheca
Plate assembly, preceding floor front beam 1 are welded into component with preceding floor front beam reinforcing plate 2.Then, by preceding floor front beam 1 with before
The component that floor front beam reinforcing plate 2 is welded into respectively with front panel assembly, left front girder back plate component 6 and front right longitudinal beam back plate
Component 7 welds.
The transmission of the front-body structure of above-described embodiment, power is as follows：
When automobile front shock occurs, impact force is vertical by the left reinforcing plate 4 in front panel bottom and left connection by front panel 3
The link position and front panel bottom, right reinforcing plate 5 of beam 12 are passed to the link position of right longitudinal beam connected 13 to cross-beam body
11, then left front girder back plate component 6 and front right longitudinal beam back plate component 7 are transferred to by cross-beam body 11, then by left front girder back plate
Component 6 and front right longitudinal beam back plate component 7 are delivered evenly to body rear end.
The preceding floor front beam and front-body structure of the utility model embodiment, preceding floor front beam are formed as one formula
Structure, preceding floor front beam itself avoid X to welding without welding, eventually reduce preceding floor front beam and periphery member
Weld difficulty degree of subtracting.In addition, decrease amount of parts, loss of weight and the accuracy of manufacture can be improved.In addition, being touched when automobile front occurs
When hitting, impact force is transferred to cross-beam body by front panel by left longitudinal beam connected and right longitudinal beam connected, then effective by cross-beam body
It is delivered evenly to body rear end, is conducive to the transmission of power, improves body stiffness and collision performance.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (10)
1. a kind of preceding floor front beam, which is characterized in that vertical including integrally formed cross-beam body, left longitudinal beam connected and right connection
Beam, the left longitudinal beam connected and right longitudinal beam connected are located at the left and right sides of the cross-beam body, the left longitudinal beam connected and
Right longitudinal beam connected is extended to form forwards by the forward edge of the cross-beam body, and opening upwards are formed in the cross-beam body
Transverse concave groove, the left side longitudinal fluting for being formed with opening upwards and being connected to the transverse concave groove in the left longitudinal beam connected,
The right side longitudinal fluting for being formed with opening upwards in the right longitudinal beam connected and being connected to the transverse concave groove.
2. preceding floor front beam according to claim 1, which is characterized in that the side wall of the left side longitudinal fluting with it is described
The side wall of transverse concave groove is connected by the first arc surface, and the side wall of the right side longitudinal fluting is logical with the side wall of the transverse concave groove
Cross the connection of the second arc surface.
3. a kind of front-body structure, which is characterized in that including preceding floor front beam reinforcing plate, front panel and claims 1 or 2
The preceding floor front beam, the preceding floor front beam reinforcing plate are connected to above the preceding floor front beam, the left company
The front end for connecing longeron is connect with the front panel, and the front end of the right longitudinal beam connected is connect with the front panel.
4. front-body structure according to claim 3, which is characterized in that before the bottom of the front panel is fixedly connected with
The left reinforcing plate in siding bottom and front panel bottom, right reinforcing plate, front end and the front panel bottom left side of the left longitudinal beam connected add
Strong plate connection, the front end of the right longitudinal beam connected is connect with the front panel bottom, right reinforcing plate.
5. front-body structure according to claim 4, which is characterized in that the front end of the left longitudinal beam connected with it is described before
Scrap (bridge) welds the left reinforcing plate in siding bottom in the vertical direction, and the front end of the right longitudinal beam connected adds with the front panel bottom, right
Scrap (bridge) welds strong plate in the vertical direction.
6. front-body structure according to claim 3, which is characterized in that the preceding floor front beam reinforcing plate covers institute
Transverse concave groove is stated, to form cavity body structure between the preceding floor front beam reinforcing plate and preceding floor front beam.
7. front-body structure according to claim 3, which is characterized in that the preceding floor front beam reinforcing plate one at
Type has seat left installation bracket and seat right mounting bracket.
8. front-body structure according to claim 7, which is characterized in that the preceding floor front beam reinforcing plate is described
First through hole is offered on front side of seat left installation bracket, the front end of the seat left installation bracket is provided with left side and cuts tongue knot
Structure, the left side are cut tongue structure and are located at below the first through hole, and tongue structure lower end and the transverse concave groove are cut in the left side
Bottom connects；
The preceding floor front beam reinforcing plate offers the second through-hole on front side of the seat right mounting bracket, and the seat is right
The front end of mounting bracket is provided with right side and cuts tongue structure, and the right side is cut tongue structure and is located at below second through-hole, the right side
Lateral incision tongue structure lower end is connect with the bottom of the transverse concave groove.
9. front-body structure according to claim 8, which is characterized in that it is left with the seat that tongue structure is cut in the left side
Mounting bracket is integrally formed, and it includes the left branch extended downwardly by the front end of the seat left installation bracket that tongue structure is cut in the left side
Fagging and the left welding flange for being formed in the left support plate lower end, the left welding flange in the vertical direction with the transverse direction
It is close to weld in the bottom of groove；
The right side is cut tongue structure and is integrally formed with the seat right mounting bracket, and it includes by the seat that tongue structure is cut on the right side
Right support plate that the front end of chair right mounting bracket extends downwardly and the backhand welding for being formed in the right support plate lower end connect flange, described
Backhand welding connects flange and is close to weld with the bottom of the transverse concave groove in the vertical direction.
10. according to the front-body structure described in claim 3-9 any one, which is characterized in that the front-body structure
Further include left front girder back plate component and front right longitudinal beam back plate component, the left end of the cross-beam body is connected to the left front girder
On back plate component, the right end of the cross-beam body is connected on the front right longitudinal beam back plate component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721925156.6U CN207644489U (en) | 2017-12-28 | 2017-12-28 | Preceding floor front beam and front-body structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721925156.6U CN207644489U (en) | 2017-12-28 | 2017-12-28 | Preceding floor front beam and front-body structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207644489U true CN207644489U (en) | 2018-07-24 |
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ID=62875907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721925156.6U Active CN207644489U (en) | 2017-12-28 | 2017-12-28 | Preceding floor front beam and front-body structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN207644489U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278865A (en) * | 2018-08-21 | 2019-01-29 | 靖江市新程汽车零部件有限公司 | Car body high intensity front longitudinal beam stiffening plate assembly |
-
2017
- 2017-12-28 CN CN201721925156.6U patent/CN207644489U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278865A (en) * | 2018-08-21 | 2019-01-29 | 靖江市新程汽车零部件有限公司 | Car body high intensity front longitudinal beam stiffening plate assembly |
| CN109278865B (en) * | 2018-08-21 | 2022-01-07 | 新程汽车工业有限公司 | Car body high-strength front longitudinal beam reinforcing plate assembly |
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