CN209366294U - Lower beam before automobile rear floor - Google Patents
Lower beam before automobile rear floor Download PDFInfo
- Publication number
- CN209366294U CN209366294U CN201822128207.3U CN201822128207U CN209366294U CN 209366294 U CN209366294 U CN 209366294U CN 201822128207 U CN201822128207 U CN 201822128207U CN 209366294 U CN209366294 U CN 209366294U
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- CN
- China
- Prior art keywords
- crossbeam
- middle cross
- cross beam
- plate
- plates
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- 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
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Abstract
The utility model belongs to auto parts field, and in particular to lower beam before automobile rear floor.The crossbeam includes left crossbeam, middle cross beam and right crossbeam, the middle cross beam by middle cross beam upper surface and be arranged in side plate before the middle cross beam of middle cross beam upper surface front and rear sides, middle cross beam back board group at, constitute C-shaped channel, it is fixedly connected at left and right sides of middle cross beam respectively at left crossbeam, right crossbeam, the left crossbeam left side plane is higher than right side and middle cross beam joint face, and right crossbeam right side plan is higher than left side and middle cross beam joint face；Left below the crossbeam is provided with left stiffening plate, and the right below the crossbeam is provided with right stiffening plate；Several location holes that are welded are provided on middle cross beam.Lower beam improves strength and stiffness while not increasing its quality before the rear floor, improves the side impact performance of automobile, the smooth beauty of lower beam before the rear floor after installation, and connection fastening avoids vehicle error when assembled.
Description
Technical field
The utility model belongs to auto parts field, and in particular to lower beam before automobile rear floor.
Background technique
Lower beam is welded to a kind of components on automobile rear floor before floor afterwards, and effect is to reinforce automobile rear floor
Strength and stiffness.Floor lower beam is mainly independent plate body after existing, and rear connecting plate is only connected with skeleton, although integral type
Beam structure it is simple, but it makes the torsion stiffness of automotive floor panel frame assembly poor, once side impact occurs, automotive floor panel is easy
Deformation and damage, the safety of entire car body be not high；In order to improve the strength and stiffness on floor after vehicle, after generalling use increase
The quality of lower beam before floor, but the load capacity of automobile is increased, it is impossible to meet the requirements to car light.
Utility model content
Technical problem to be solved by the utility model is: in view of the foregoing drawbacks, the utility model is with providing after a kind of automobile
Lower beam before plate improves its strength and stiffness while lower beam quality before not increasing automobile rear floor, improves the side of automobile
Touch performance.
The utility model solves its technical problem the technical solution adopted is as follows: lower beam before automobile rear floor, including a left side
Crossbeam, middle cross beam and right crossbeam, the middle cross beam is by middle cross beam upper surface and middle cross beam upper surface front and rear sides are arranged in
Side plate before middle cross beam, middle cross beam back board group are at constituting C-shaped channel, side plate is provided with outwardly directed middle cross before wherein the middle cross beam
Flange before beam, side plate is provided with flange after the middle cross beam for being directed toward inside after middle cross beam；It is solid with left crossbeam on the left of the middle cross beam
Fixed connection, the left beam shape match with middle cross beam, and the left crossbeam is by left beam surface upper and is arranged in left cross
Side plate, left crossbeam back board group are at side plate is provided with outwardly directed before the left crossbeam before the left crossbeam of beam upper surface two sides
Flange before left crossbeam, side plate is provided with flange after the left crossbeam for being directed toward inside after left crossbeam；The middle cross beam right side and right cross
Beam is fixedly connected, and the right beam shape matches with middle cross beam, and the right crossbeam is existed by right beam surface upper and setting
Side plate, right crossbeam back board group are at side plate is provided with direction before the right crossbeam before the right crossbeam of right beam surface upper two sides
Flange before the right crossbeam in outside, side plate is provided with flange after the right crossbeam for being directed toward inside after left crossbeam.The front lower cross of automobile rear floor
Beam uses segmentation structure, suitable middle cross beam can be flexibly assembled according to vehicle, and segmentation structure is with can be improved automobile
The torsion stiffness of framework assembly improves the side impact performance of automobile, and the safety is improved for entire car body.
Further, the left crossbeam left side plane is higher than right side and middle cross beam joint face, the left crossbeam left side
It is provided with the left flange of left crossbeam；The right crossbeam right side plan is higher than left side and middle cross beam joint face, and the right crossbeam is right
Side is provided with the right flange of right crossbeam.The left left flange of crossbeam and the right flange of right crossbeam have positioning surface when connecting with left and right side wall,
It is smooth to connect rear cross beam installation.
Further, the left below the crossbeam is provided with left stiffening plate, and the right below the crossbeam is provided with right reinforcement
Plate, the setting of stiffening plate further improve the intensity of lower beam before the rear floor, and automotive floor panel is unlikely to deform after side impact occurs
And damage, vehicle security improve.
Further, the left stiffening plate is made of the first from left plate, the second from left plate, left three plates, left four plates, the first from left plate, the second from left
Plate, left three plates, left four plates are respectively directed to four direction, are fixedly connected with left crossbeam；The right stiffening plate is by a right plate, the right side two
Plate, right three plates, right four plates are constituted, and a right plate, right two plates, right three plates, right four plates are respectively directed to four direction, are fixed with right crossbeam
Connection, stiffening plate by the board group that is pointed in different directions at, when being fixedly connected with left crossbeam or right crossbeam, connection fastening, by
It can disperse to different directions when to extruding force, increase the stress intensity of crossbeam.
Further, several location holes that are welded are provided on the middle cross beam, preceding lower beam and rear floor on rear floor
When being fixedly connected, the location hole that is welded has positioning action, the smooth beauty of lower beam before the rear floor after installation, and connection fastening is kept away
Vehicle error when assembled is exempted from.
The beneficial effects of the utility model are: using the above scheme, the crossbeam by being connect with rear floor, left and right side wall,
Play the role of structural strengthening；Lower beam uses segmentation structure before automobile rear floor, and it is suitable flexibly to be assembled according to vehicle
Middle cross beam, and the torsion stiffness of automotive floor panel frame assembly can be improved in segmentation structure, improves the side impact performance of automobile, entirely
The safety is improved for car body；The left left flange of crossbeam and the right flange of right crossbeam have positioning surface, middle cross when connecting with left and right side wall
The location hole that is welded of beam setting has positioning action when connecting with rear floor, the smooth beauty of lower beam before the rear floor of installation connects
Fastening is connect, vehicle error when assembled is avoided；The setting of stiffening plate improves the intensity of lower beam before the rear floor, stiffening plate
By the board group that is pointed in different directions at when being fixedly connected with left crossbeam or right crossbeam, connection fastening can when being squeezed power
To disperse to different directions, the stress intensity of crossbeam is increased, automotive floor panel is unlikely to deform and damages after side impact occurs, vehicle peace
Full property improves.
Detailed description of the invention
Through the following detailed description taken in conjunction with the accompanying drawings, the utility model objects, features and advantages above-mentioned and other will
It becomes apparent.
Fig. 1 is that the utility model looks up angle three-dimensional structure diagram；
Fig. 2 is the utility model depression angle three-dimensional structure diagram；
Fig. 3 is the utility model side view；
Fig. 4 is the left stiffening plate structural schematic diagram of the utility model；
Fig. 5 is the right stiffening plate structural schematic diagram of the utility model；
Wherein: 1 is left crossbeam, and 11 be left beam surface upper, and 12 be side plate before left crossbeam, and 13 be side plate after left crossbeam, 14
It is flange after left crossbeam for flange before left crossbeam, 15,16 be the left flange of left crossbeam, and 2 be middle cross beam, and 21 be middle cross beam upper surface,
22 be side plate before middle cross beam, and 23 be side plate after middle cross beam, and 24 be flange before middle cross beam, and 25 be flange after middle cross beam, and 26 be to be welded
Location hole, 3 be right crossbeam, and 31 be right beam surface upper, and 32 be side plate before right crossbeam, and 33 be side plate after right crossbeam, and 34 be right cross
Flange before beam, 35 be flange after right crossbeam, and 16 be the right flange of right crossbeam, and 4 be left stiffening plate, and 41 be the first from left plate, and 42 be the second from left plate,
43 be left three plates, and 44 be left four plates, and 45 be left welded nut, and 5 be right stiffening plate, and 51 be a right plate, and 52 be right two plates, and 53 be the right side
Three plates, 54 be right four plates, and 55 be backhand welding connected nut.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and example,
The present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain this
Utility model is not used to limit the utility model.
It is shown in reference picture 1, Fig. 2, lower beam before automobile rear floor, including left crossbeam 1, middle cross beam 2 and right crossbeam 3, it is described
Middle cross beam 2 by middle cross beam upper surface 21 and side plate 22, middle cross beam before the middle cross beam of middle cross beam upper surface front and rear sides are set
Side plate 23 forms afterwards, constitutes C-shaped channel, and side plate 22 is provided with flange 24 before outwardly directed middle cross beam, middle cross before wherein the middle cross beam
Side plate 23 is provided with flange 25 after the middle cross beam for being directed toward inside after beam；2 left side of middle cross beam is fixedly connected with left crossbeam 1,
1 shape of left crossbeam matches with middle cross beam 2, and the left crossbeam 1 is by left beam surface upper 11 and is arranged in left crossbeam
Side plate 13 forms after side plate 12, left crossbeam before the left crossbeam of upper surface two sides, and it is outer to be provided with direction for side plate 12 before the left crossbeam
Flange 14 before the left crossbeam of side, side plate 13 is provided with flange 15 after the left crossbeam for being directed toward inside, the middle cross beam 2 after left crossbeam
Left and right ends are respectively arranged with the location hole 26 that is welded；2 right side of middle cross beam is fixedly connected with right crossbeam 3, the right cross
3 shape of beam matches with middle cross beam 2, and the right crossbeam 3 is by right beam surface upper 31 and is arranged in right beam surface upper two sides
Right crossbeam before after side plate 32, right crossbeam side plate 33 form, side plate 32 is provided with outwardly directed right cross before the right crossbeam
Flange 34 before beam, side plate 33 is provided with flange 35 after the right crossbeam for being directed toward inside after left crossbeam.
Referring to shown in Fig. 3,1 left side plane of left crossbeam is higher than right side and 2 joint face of middle cross beam, the left crossbeam
Left side is provided with the left flange 16 of left crossbeam；3 right side plan of right crossbeam is higher than left side and 2 joint face of middle cross beam, described
The right flange 36 of right crossbeam is provided on the right side of right crossbeam 3.
Referring to Fig.1, shown in Fig. 4 and Fig. 5, left stiffening plate 4 is provided with below the left crossbeam 1, under the right crossbeam 3
Side is provided with right stiffening plate 5, and the left stiffening plate 4 is made of the first from left plate 41, the second from left plate 42, left three plates 43, left four plates 44, left
One plate 41, the second from left plate 42, left three plates 43, left four plates 44 are respectively directed to four direction, solid using left welded nut 45 with left crossbeam 1
Fixed connection, the right stiffening plate 5 are made of a right plate 51, right two plates 52, right three plates 53, right four plates 53, a right plate 51, the right side two
Plate 52, right three plates 53, right four plates 54 are respectively directed to four direction, are fixedly connected with right crossbeam 3 using backhand welding connected nut 55.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (7)
1. lower beam before automobile rear floor, it is characterised in that: it includes left crossbeam, middle cross beam and right crossbeam, the middle cross beam
Side plate, middle cross beam back board group are at structure by middle cross beam upper surface and before the middle cross beam of middle cross beam upper surface front and rear sides is arranged in
At C-shaped channel, side plate is provided with flange before outwardly directed middle cross beam before wherein the middle cross beam, and side plate is provided in direction after middle cross beam
Flange after the middle cross beam of side；It is fixedly connected on the left of the middle cross beam with left crossbeam, the left beam shape and middle cross beam phase
Matching, the left crossbeam is by left beam surface upper and side plate, left crossbeam before the left crossbeam of left beam surface upper two sides is arranged in
Back board group is at side plate is provided with flange before outwardly directed left crossbeam before the left crossbeam, and side plate is provided with finger after left crossbeam
Flange after left crossbeam inwardly；It is fixedly connected on the right side of the middle cross beam with right crossbeam, the right beam shape and middle cross
Beam matches, and the right crossbeam is by right beam surface upper and side plate, the right side before the right crossbeam of right beam surface upper two sides is arranged in
Crossbeam back board group is at side plate is provided with flange before outwardly directed right crossbeam before the right crossbeam, and side plate is set after left crossbeam
Be equipped be directed toward inside right crossbeam after flange.
2. lower beam before automobile rear floor as described in claim 1, it is characterised in that: the left crossbeam left side plane is higher than
Right side and middle cross beam joint face, the left crossbeam left side are provided with the left flange of left crossbeam.
3. lower beam before automobile rear floor as described in claim 1, it is characterised in that: the right crossbeam right side plan is higher than
Left side and middle cross beam joint face, the right crossbeam right side are provided with the right flange of right crossbeam.
4. lower beam before automobile rear floor as described in claim 1, it is characterised in that: the left below the crossbeam is provided with a left side
Stiffening plate, the right below the crossbeam are provided with right stiffening plate.
5. lower beam before automobile rear floor as claimed in claim 4, it is characterised in that: the left stiffening plate by the first from left plate,
The second from left plate, left three plates, left four plates are constituted, and the first from left plate, the second from left plate, left three plates, left four plates are respectively directed to four direction, with left crossbeam
It is fixedly connected.
6. lower beam before automobile rear floor as claimed in claim 4, it is characterised in that: the right stiffening plate by a right plate,
Right two plates, right three plates, right four plates are constituted, and a right plate, right two plates, right three plates, right four plates are respectively directed to four direction, with right crossbeam
It is fixedly connected.
7. lower beam before automobile rear floor as described in claim 1, it is characterised in that: be provided on the middle cross beam several
Be welded location hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822128207.3U CN209366294U (en) | 2018-12-18 | 2018-12-18 | Lower beam before automobile rear floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822128207.3U CN209366294U (en) | 2018-12-18 | 2018-12-18 | Lower beam before automobile rear floor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209366294U true CN209366294U (en) | 2019-09-10 |
Family
ID=67833160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822128207.3U Expired - Fee Related CN209366294U (en) | 2018-12-18 | 2018-12-18 | Lower beam before automobile rear floor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209366294U (en) |
-
2018
- 2018-12-18 CN CN201822128207.3U patent/CN209366294U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190910 Termination date: 20201218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |