CN110510005B - Commercial car driver's cabin floor longeron - Google Patents
Commercial car driver's cabin floor longeron Download PDFInfo
- Publication number
- CN110510005B CN110510005B CN201910649907.3A CN201910649907A CN110510005B CN 110510005 B CN110510005 B CN 110510005B CN 201910649907 A CN201910649907 A CN 201910649907A CN 110510005 B CN110510005 B CN 110510005B
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- section
- short
- inner beam
- roof beam
- long
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- 238000010521 absorption reaction Methods 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/06—Drivers' cabs
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The utility model provides a commercial car cab floor longeron, including outer roof beam, long interior roof beam and short interior roof beam, the outer roof beam is provided with the U type grooved beam of flanging for both wings, long interior roof beam and short interior roof beam are the U type grooved beam that both wings do not have the flanging, the anterior segment of outer roof beam is the energy-absorbing section, well anterior segment is the non-deformable section, the back end is the deformable section, long interior roof beam is settled in the inslot of short interior roof beam, short interior roof beam is settled in the inslot of the non-deformable section of outer roof beam, the front end of long interior roof beam and short interior roof beam aligns with the front end of non-deformable section. The longitudinal beam is formed by overlapping and splicing an outer beam, a long inner beam and a short inner beam which are integrally formed by stamping, the longitudinal beam is strong in the strong place, and if the longitudinal beam is weak in the weak place, the longitudinal beam has higher safety, and meanwhile, the longitudinal beam has the advantages of simple integral structure, fewer parts, simplicity in assembly, low manufacturing cost and the like.
Description
Technical Field
The invention relates to a cab floor longitudinal beam of a commercial vehicle, and belongs to the technical field of cab floors.
Background
The existing cab floor longitudinal beam is a U-shaped groove beam with a constant cross section, the strength of each part of the U-shaped groove beam is basically consistent, a variability area capable of absorbing collision energy is not available, and the defects of high weight, high cost, poor safety and the like exist. While the cab floor longitudinal beam is provided with the deformable region, the overall design of the cab floor longitudinal beam is not reasonable enough, and the defects of more parts, complicated manufacturing and assembling processes and the like exist.
Disclosure of Invention
The invention aims at overcoming the defects of the prior cab floor longitudinal beam, and provides a novel cab floor longitudinal beam which is formed by overlapping and splicing an outer beam, a long inner beam and a short inner beam which are integrally formed by stamping, wherein the longitudinal beam is strong in the strong place, has higher safety in the weak place, and has the advantages of simple integral structure, fewer parts, simplicity in assembly, low manufacturing cost and the like.
In order to achieve the above object, the technical solution of the present invention is:
The utility model provides a commercial car cab floor longeron, including outer roof beam, long interior roof beam and short interior roof beam, the outer roof beam is provided with the U type grooved beam of flanging for both wings, long interior roof beam and short interior roof beam are the U type grooved beam that both wings do not have the flanging, the anterior segment of outer roof beam is the energy-absorbing section, well anterior segment is the non-deformable section, the back end is the deformable section, long interior roof beam is settled in the inslot of short interior roof beam, short interior roof beam is settled in the inslot of the non-deformable section of outer roof beam, the front end of long interior roof beam and short interior roof beam aligns with the front end of non-deformable section.
Preferably, in the outer beam, the bottom plate of the energy absorption section is an inclined plate, so that the energy absorption section forms a conical groove with a small front end and a large rear end, and the bottom plate of the front section of the deformable section is provided with a crumple rib; the middle section of the energy absorption section has a cross-sectional height of 40 mm to 60 mm, the non-deformable section has a cross-sectional height of 70 mm to 90 mm, and the deformable section has a cross-sectional height of 30 mm to 50 mm.
Preferably, the thickness of the outer beam is 1.4 mm to 2.0 mm, the thickness of the long inner beam is 1.4 mm to 1.6 mm, and the thickness of the short inner beam is 2.0 mm to 2.5 mm, and the long inner beam and the short inner beam are welded to the outer beam.
Preferably, the outer beam, the long inner beam and the short inner beam are integrally formed by stamping technology.
Preferably, the front end of the energy absorption section is provided with a plate-shaped bracket which is bent to be U-shaped.
Compared with the prior art, the invention has the beneficial effects that:
1. The longitudinal beam is formed by overlapping and splicing the outer beam, the long inner beam and the short inner beam which are integrally formed by stamping, and has the advantages of simple integral structure, fewer parts, simplicity in assembly, low manufacturing cost and the like if the longitudinal beam is strong in the strong place and weak place.
2. The front end of the energy absorption section of the longitudinal beam is provided with the bent U-shaped plate-shaped bracket, so that the collision energy can be effectively transmitted to the longitudinal beam, and the safety is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an exploded view of the components of the present invention;
FIG. 3 is a cross-sectional view of an energy absorbing section A of the present invention;
FIG. 4 is a cross-sectional view of the non-deforming section B of the present invention;
FIG. 5 is a cross-sectional view of a non-deformable section C of the present invention;
FIG. 6 is a schematic view of the front end of the present invention;
Fig. 7 is a schematic view of the structure of the front end of the non-deformable section in the present invention.
In the figure: the energy-absorbing device comprises an outer beam 1, a long inner beam 2, a short inner beam 3, a bracket 4, a crumple rib 5, an energy-absorbing section A, an undeformed section B and a deformable section C.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings and the specific examples.
Referring to fig. 1 to 7, a cab floor stringer for a commercial vehicle comprises an outer beam 1, a long inner beam 2 and a short inner beam 3, wherein the outer beam 1 is a U-shaped groove beam with flanging at two wings, the long inner beam 2 and the short inner beam 3 are U-shaped groove beams without flanging at two wings, the front section of the outer beam 1 is an energy absorbing section A, the middle front section is a non-deformation section B, the rear section is a deformable section C, the long inner beam 2 is arranged in a groove of the short inner beam 3 in a mode that the outer wall is attached to the inner wall of the short inner beam 3, the short inner beam 3 is arranged in a groove of the non-deformation section B of the outer beam 1 in a mode that the outer wall is attached to the inner wall of the groove of the outer beam 1, and the front ends of the long inner beam 2 and the short inner beam 3 are aligned with the front ends of the non-deformation section B.
In the outer beam 1, a bottom plate of an energy absorption section A is an inclined plate, so that the energy absorption section A forms a conical groove with a small front end and a large rear end, and a crumple rib 5 is arranged on the bottom plate of the front section of a deformable section C; the middle section of the energy absorption section A has a cross-sectional height of 40 mm to 60 mm, the non-deforming section B has a cross-sectional height of 70 mm to 90 mm, and the deformable section C has a cross-sectional height of 30 mm to 50 mm.
As a preferred solution, the thickness of the outer beam 1 is 1.4 mm to 2.0 mm, the thickness of the long inner beam 2 is 1.4 mm to 1.6 mm, the thickness of the short inner beam 3 is 2.0 mm to 2.5 mm, and the long inner beam 2 and the short inner beam 3 are welded to the outer beam 1.
As a preferable technical scheme, the outer beam 1, the long inner beam 2 and the short inner beam 3 are integrally formed by adopting a stamping technology.
As a preferred technical scheme, the front end of the energy absorption section A is provided with a plate-shaped bracket 4 which is bent to be U-shaped.
Example 1:
As shown in fig. 1 to 7, a cab floor stringer for a commercial vehicle comprises an outer beam 1, a long inner beam 2 and a short inner beam 3, wherein the outer beam 1, the long inner beam 2 and the short inner beam 3 are integrally formed by adopting a stamping technology respectively. The outer beam 1 is a U-shaped groove beam with two wings provided with outward flanging, the long inner beam 2 and the short inner beam 3 are U-shaped groove beams with two wings without outward flanging, the front section of the outer beam 1 is an energy absorption section A, the middle front section is a non-deformation section B, the rear section is a deformable section C, the long inner beam 2 is arranged in a groove of the short inner beam 3 in a mode that the outer wall is attached to the inner wall of the short inner beam 3, the short inner beam 3 is arranged in a groove of the non-deformation section B of the outer beam 1 in a mode that the outer wall is attached to the inner wall of the groove of the outer beam 1, and the front ends of the long inner beam 2 and the short inner beam 3 are aligned with the front end of the non-deformation section B.
In the outer beam 1, the bottom plate of the energy absorbing section A is an inclined plate, so that the energy absorbing section A forms a conical groove with a small front end and a large rear end, and the front end of the energy absorbing section A is provided with a bent U-shaped plate-shaped bracket 4. A bottom plate of the front section of the deformable section C is provided with a crumple rib 5; the middle section of the energy absorption section A has a section height of 57 mm, the section height of the non-deformation section B has a section height of 80mm, and the section height of the deformable section C has a section height of 39 mm.
The thickness of the outer beam 1 is 1.6 mm, the thickness of the long inner beam 2 is 1.4 mm, the thickness of the short inner beam 3 is 2.3 mm, and the long inner beam 2 and the short inner beam 3 are welded on the outer beam 1.
The foregoing is a further detailed description of the invention in connection with the specific embodiments, and it is not to be construed as limited to the specific embodiments of the invention, but it is to be understood that the simple substitution made by those skilled in the art without departing from the spirit of the invention is intended to be within the scope of the invention.
Claims (2)
1. A commercial vehicle cab floor stringer, characterized in that: the novel energy-saving beam comprises an outer beam (1), a long inner beam (2) and a short inner beam (3), wherein the outer beam (1) is a U-shaped groove beam with two flanges, the long inner beam (2) and the short inner beam (3) are U-shaped groove beams with two flanges and without flanges, the front section of the outer beam (1) is an energy absorption section (A), the middle front section is a non-deformation section (B) and the rear section is a deformable section (C), the long inner beam (2) is arranged in a groove of the short inner beam (3), the short inner beam (3) is arranged in a groove of the non-deformation section (B) of the outer beam (1), and the front ends of the long inner beam (2) and the short inner beam (3) are aligned with the front end of the non-deformation section (B);
In the outer beam (1), the bottom plate of the energy absorption section (A) is an inclined plate, so that the energy absorption section (A) forms a conical groove with a small front end and a large rear end, and a crumple rib (5) is arranged on the bottom plate of the front section of the deformable section (C); the middle part of the energy absorption section (A) has a cross-sectional height of 40-60 mm, the non-deformable section (B) has a cross-sectional height of 70-90 mm, and the deformable section (C) has a cross-sectional height of 30-50 mm;
The thickness of each part of the outer beam (1) is 1.4-2.0 mm, the thickness of each part of the long inner beam (2) is 1.4-1.6 mm, the thickness of each part of the short inner beam (3) is 2.0-2.5 mm, and the long inner beam (2) and the short inner beam (3) are welded on the outer beam (1);
The front end of the energy absorption section (A) is provided with a plate-shaped bracket (4) which is bent to be U-shaped.
2. A commercial vehicle cab floor stringer according to claim 1, wherein: the outer beam (1), the long inner beam (2) and the short inner beam (3) are integrally formed by adopting a stamping technology respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910649907.3A CN110510005B (en) | 2019-07-18 | 2019-07-18 | Commercial car driver's cabin floor longeron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910649907.3A CN110510005B (en) | 2019-07-18 | 2019-07-18 | Commercial car driver's cabin floor longeron |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110510005A CN110510005A (en) | 2019-11-29 |
| CN110510005B true CN110510005B (en) | 2024-05-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910649907.3A Active CN110510005B (en) | 2019-07-18 | 2019-07-18 | Commercial car driver's cabin floor longeron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110510005B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110979461B (en) * | 2019-12-11 | 2021-10-15 | 吉利汽车研究院（宁波）有限公司 | Rear longitudinal beam assembly and vehicle |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1120744A (en) * | 1997-06-30 | 1999-01-26 | Daihatsu Motor Co Ltd | Frame member reinforcing structure for car |
| DE10007664A1 (en) * | 2000-02-19 | 2001-08-30 | Man Nutzfahrzeuge Ag | Floor construction for driver's cab of heavy duty vehicles has longitudinal floor struts of bent square tubes with all bending axis in single plane |
| CN2617650Y (en) * | 2002-11-14 | 2004-05-26 | 哈飞汽车股份有限公司 | Front frame of vehicle |
| CN205098279U (en) * | 2015-11-03 | 2016-03-23 | 北汽银翔汽车有限公司 | Automobile front longitudinal beam reinforcing structure |
| CN106347462A (en) * | 2016-08-30 | 2017-01-25 | 重庆长安跨越车辆有限公司 | Truck collision structure |
| CN106697057A (en) * | 2015-07-23 | 2017-05-24 | 北汽福田汽车股份有限公司 | Front longitudinal beam reinforcing plate, front longitudinal beam assembly and automobile |
| CN109249992A (en) * | 2018-10-16 | 2019-01-22 | 河南御捷时代汽车有限公司 | A kind of cabin of electric automobile structure |
| CN210478835U (en) * | 2019-07-18 | 2020-05-08 | 东风商用车有限公司 | Commercial car driver's cabin floor longeron |
-
2019
- 2019-07-18 CN CN201910649907.3A patent/CN110510005B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1120744A (en) * | 1997-06-30 | 1999-01-26 | Daihatsu Motor Co Ltd | Frame member reinforcing structure for car |
| DE10007664A1 (en) * | 2000-02-19 | 2001-08-30 | Man Nutzfahrzeuge Ag | Floor construction for driver's cab of heavy duty vehicles has longitudinal floor struts of bent square tubes with all bending axis in single plane |
| CN2617650Y (en) * | 2002-11-14 | 2004-05-26 | 哈飞汽车股份有限公司 | Front frame of vehicle |
| CN106697057A (en) * | 2015-07-23 | 2017-05-24 | 北汽福田汽车股份有限公司 | Front longitudinal beam reinforcing plate, front longitudinal beam assembly and automobile |
| CN205098279U (en) * | 2015-11-03 | 2016-03-23 | 北汽银翔汽车有限公司 | Automobile front longitudinal beam reinforcing structure |
| CN106347462A (en) * | 2016-08-30 | 2017-01-25 | 重庆长安跨越车辆有限公司 | Truck collision structure |
| CN109249992A (en) * | 2018-10-16 | 2019-01-22 | 河南御捷时代汽车有限公司 | A kind of cabin of electric automobile structure |
| CN210478835U (en) * | 2019-07-18 | 2020-05-08 | 东风商用车有限公司 | Commercial car driver's cabin floor longeron |
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| Publication number | Publication date |
|---|---|
| CN110510005A (en) | 2019-11-29 |
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