CN114148417A - Automobile middle channel assembly - Google Patents
Automobile middle channel assembly Download PDFInfo
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- CN114148417A CN114148417A CN202111404989.9A CN202111404989A CN114148417A CN 114148417 A CN114148417 A CN 114148417A CN 202111404989 A CN202111404989 A CN 202111404989A CN 114148417 A CN114148417 A CN 114148417A
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- upper beam
- underbeam
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- 230000003247 decreasing effect Effects 0.000 claims description 2
- 239000003381 stabilizer Substances 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000003584 silencer Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 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
- B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses an automobile center channel assembly, which comprises a reversed V-shaped center channel lower beam, a center channel upper beam and a middle channel lower beam, wherein the center channel lower beam comprises a lower beam transverse plate and two lower beam support legs; the upper beam cross member comprises an upper beam groove and two upper beam transverse plates which are arranged on the left side and the right side of the upper beam groove respectively, a left cavity is formed between the upper beam transverse plates and the upper beam longitudinal plates of the middle channel lower beam and the left side, and a right cavity is formed between the upper beam transverse plates and the upper beam longitudinal plates of the middle channel lower beam and the right side. The invention is suitable for different vehicle types, has strong universality and high rigidity and strength, can improve the collision performance of the vehicle body and the rigidity of the vehicle body, can realize integrated supply, and can prevent parts from deforming in the transportation process.
Description
Technical Field
The invention relates to an automobile body, in particular to an automobile middle channel assembly.
Background
The automobile middle channel assembly is used as an important component of an automobile body frame, so that the integral rigidity and strength of an automobile body are ensured, and meanwhile, the automobile middle channel assembly also provides an installation function for important parts such as an automobile front floor system, a handrail box, a silencer and the like. Because the two sides below the front floor module of the fuel vehicle type are arrangement spaces of a floor stiffening beam structure (the floor stiffening beam structure is a key system for ensuring the performance of the vehicle body), the middle below the front floor module is an automobile middle channel assembly so as to facilitate the arrangement of a silencer system; the whole lower part of the front floor module of the electric vehicle is an arrangement space of the power battery, and the battery case can provide enough strength and rigidity for the vehicle body, so that the lower part of the front floor module of the electric vehicle is of a flat plate structure without a reinforcing beam structure. Therefore, different power configuration vehicle types (fuel vehicle type and electric vehicle type) on the existing market generally cannot share the front floor module. In addition, the existing automobile middle channel assembly is basically of a single-layer plate structure and is limited by arrangement constraints of different power requirements and requirements of a power transmission path of an automobile body, so that the performance of the automobile middle channel assembly is weak, the transmission effect of large load energy is difficult to realize, and the system function of the automobile middle channel assembly is weakened in the design of a common automobile body.
CN204978889U discloses a lightweight car center tunnel, the longitudinal section of center tunnel is the several characters form, and the both sides of center tunnel are provided with the turn-ups, and the both sides of center tunnel are connected with the front floor of car respectively, the center tunnel sets up the top of the front floor of both sides, and the front floor of both sides respectively extends to center tunnel middle part and forms the cavity with center tunnel respectively, and the both sides limit of center tunnel respectively with the welding of corresponding front floor, the end of front floor welds in center tunnel middle part respectively. The light-weight automobile middle channel is light in weight and high in structural strength, but the middle channel is of a single-layer plate structure, no cavity is formed between the rear part of the middle channel and a front floor, the performance is weak, and the transmission effect of large load energy is difficult to realize.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an automobile middle channel assembly, which is not limited by the shape and material of a front floor module, is suitable for different vehicle types, has strong versatility and high rigidity and strength, can improve the collision performance of a vehicle body and the rigidity of the vehicle body, can realize integrated supply, and can prevent parts from deforming during transportation, thereby better ensuring the precision of products.
The automobile middle channel assembly comprises a middle channel lower beam in a shape like a Chinese character 'ji', wherein the middle channel lower beam comprises a lower beam transverse plate and two lower beam support legs, the two lower beam support legs are respectively arranged at the left side and the right side of the lower beam transverse plate, the two lower beam support legs comprise a lower beam longitudinal plate and a lower beam flanging used for being connected with a front floor plate, the upper end and the lower end of the lower beam longitudinal plate are respectively connected with the lower beam transverse plate and the lower beam flanging, and the lower beam longitudinal plate also comprises a middle channel upper beam arranged on the middle channel lower beam, the upper beam of the middle channel comprises an upper beam cross member and two upper beam support legs, the two upper beam support legs are respectively arranged at the left side and the right side of the upper beam cross member, the two upper beam support legs comprise an upper beam longitudinal plate and an upper beam flanging used for being connected with the lower beam flanging, the upper side and the lower side of the upper beam longitudinal plate are respectively connected with the upper beam cross member and the upper beam flanging; the utility model discloses a roof beam structure, including the roof beam longitudinal slab, the roof beam longitudinal slab is equipped with the roof beam diaphragm and is equipped with the roof beam diaphragm that is equipped with, the roof beam diaphragm is equipped with the roof beam recess, and the roof beam diaphragm is equipped with the roof beam diaphragm, and the roof beam diaphragm is equipped with the roof beam longitudinal slab, and the roof beam diaphragm is equipped with the roof beam diaphragm.
Further, the left cavity and the right cavity are communicated along the front-back direction.
Further, two the upper beam longitudinal plate all includes upper beam longitudinal plate anterior segment, upper beam longitudinal plate middle section and upper beam longitudinal plate back end that the past set gradually after to, the height of upper beam longitudinal plate anterior segment is greater than the height of upper beam longitudinal plate back end, upper beam longitudinal plate middle section is highly degressive in the past to the back.
Further, the upper beam longitudinal plate on the left side and the lower beam longitudinal plate on the left side are parallel to each other, and the upper beam longitudinal plate on the right side and the lower beam longitudinal plate on the right side are parallel to each other.
Furthermore, the included angle alpha of the two lower beam longitudinal plates is 5-25 degrees.
Further, the two upper beam transverse plates comprise an upper beam transverse plate front section, an upper beam transverse plate middle section and an upper beam transverse plate rear section which are sequentially arranged from the front to the rear, the upper beam transverse plate front section is parallel to the upper beam transverse plate rear section, the upper beam transverse plate front section is located above the upper beam transverse plate rear section, and the upper beam transverse plate middle section inclines downwards from the front to the rear.
Further, the underbeam diaphragm includes underbeam diaphragm anterior segment, underbeam diaphragm middle section and underbeam diaphragm back end that the past set gradually after to, underbeam diaphragm anterior segment with upper beam diaphragm anterior segment is parallel to each other, underbeam diaphragm middle section with upper beam diaphragm middle section is parallel to each other, underbeam diaphragm back end with upper beam diaphragm back end is parallel to each other.
The invention has the beneficial effects that: (1) the invention can ensure that the channel assembly in the automobile is not limited by the shape of the front floor module, can be used for matching with the front floor module with a floor reinforcing beam structure of a fuel automobile type and matching with the front floor module with a flat plate structure of an electric automobile type, can provide welding positions of various supports for different automobile types, realizes that supports of different power types share the front floor module and the channel assembly in the automobile, has strong universality, can ensure that the channel assembly in the automobile is not limited by the material of the front floor module any more, and can adopt the material brand different from that of the front floor module; (2) the left cavity, the right cavity and the upper beam groove can be beneficial to light weight, the self rigidity and the strength of the channel assembly in the automobile can be obviously improved, and a force transfer structure with multiple paths of collision kinetic energy is realized, so that the collision performance of the automobile body and the rigidity of the automobile body are improved, and the upper beam flanging, the lower beam flanging and the front floor module are sequentially connected to form a three-layer welding structure, so that the connection strength of the channel assembly in the automobile and the front floor module is higher, and the collision performance of the automobile body and the rigidity of the automobile body are further improved; (3) the automobile middle channel assembly can be manufactured independently, integrated material supply is achieved, the cost of a single automobile is reduced, meanwhile, the assembly efficiency of a factory is greatly improved, the problem that the site of a host factory is not enough is solved, the automobile middle channel assembly is good in self rigidity in the material supply state, parts can be prevented from deforming in the transportation process, and therefore the precision of products is better guaranteed.
Drawings
In order to make the object, technical scheme and beneficial effect of the invention more clear, the invention provides the following drawings for explanation:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a schematic cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic cross-sectional view B-B of FIG. 2;
fig. 5 is a schematic cross-sectional view C-C of fig. 2.
The drawings are numbered as follows: 1-middle channel lower beam, 11-lower beam transverse plate, 111-lower beam transverse plate front section, 112-lower beam transverse plate middle section, 113-lower beam transverse plate rear section, 12-lower beam support leg, 121-lower beam longitudinal plate, 122-lower beam flanging;
2-center aisle upper beam, 21-upper beam cross member, 211-upper beam groove, 212-upper beam cross plate, 2121-upper beam cross plate front section, 2122-upper beam cross plate middle section, 2123-upper beam cross plate rear section, 22-upper beam support leg, 221-upper beam longitudinal plate, 2211-upper beam longitudinal plate front section, 2212-upper beam longitudinal plate middle section, 2213-upper beam longitudinal plate rear section, 222-upper beam flanging;
3-left cavity, 4-right cavity.
Detailed Description
As shown in fig. 1 to 5, the automobile center tunnel assembly in this embodiment includes a "u" shaped center tunnel lower beam 1, the center tunnel lower beam 1 includes a lower beam cross plate 11 and two lower beam legs 12, the two lower beam legs 12 are respectively disposed on the left and right sides of the lower beam cross plate 11, the two lower beam legs 12 include a lower beam longitudinal plate 121 and lower beam flanges 122 for connecting with a front floor, the upper and lower ends of the lower beam longitudinal plate 121 are respectively connected with the lower beam cross plate 11 and the lower beam flanges 122, and further includes a center tunnel upper beam 2 disposed on the center tunnel lower beam 1, the center tunnel upper beam 2 includes an upper beam cross member 21 and two upper beam legs 22, the two upper beam legs 22 are respectively disposed on the left and right sides of the upper beam cross member 21, the two upper beam legs 22 include an upper beam longitudinal plate 221 and upper beam flanges 222 for connecting with the lower beam flanges 122, the upper and lower sides of the upper beam longitudinal plate 221 are respectively connected with the upper beam cross member 21 and the upper beam flanges 222; the upper beam cross member 21 comprises an upper beam groove 211 and two upper beam transverse plates 212 which are respectively arranged at the left side and the right side of the upper beam groove 211, the upper beam groove 211 is downwards recessed, the lower surface of the upper beam groove 211 is attached to the lower beam transverse plate 11, a gap is formed between the upper beam transverse plate 212 and the lower beam transverse plate 11, a gap is formed between the two upper beam longitudinal plates 221 and the two lower beam longitudinal plates 121, a left cavity 3 is formed between the middle channel lower beam 1 and the left upper beam transverse plate 212 as well as between the middle channel lower beam 1 and the right upper beam longitudinal plate 221, and a right cavity 4 is formed between the middle channel lower beam 1 and the right upper beam transverse plate 212 as well as between the upper beam longitudinal plates 221. The automobile middle channel assembly is composed of a middle channel lower beam 1 and a middle channel upper beam 2 and is an independent whole, the automobile middle channel assembly is not limited by the shape of a front floor module any more, the automobile middle channel assembly can be matched with the front floor module with a floor reinforcing beam structure of a fuel automobile type and can be matched with the front floor module with a flat plate structure of an electric automobile type, welding positions of various supports can be provided for different automobile types, the automobile middle channel assembly and the front floor module shared by the automobile supports in different power forms are realized, the universality is strong, the automobile middle channel assembly is not limited by materials of the front floor module any more, and materials with different brands of the front floor module can be adopted. Meanwhile, the left cavity 3, the right cavity 4 and the upper beam groove 211 can be beneficial to light weight, the self rigidity and the strength of the channel assembly in the automobile can be obviously improved, and a force transmission structure with multiple paths of collision kinetic energy is realized, so that the collision performance of the automobile body and the rigidity of the automobile body are improved, the upper beam flanging 222, the lower beam flanging 122 and the front floor module are sequentially connected to form a three-layer welding structure, the connection strength of the channel assembly in the automobile and the front floor module is higher, and the collision performance of the automobile body and the rigidity of the automobile body are further improved. In addition, the channel assembly can be made alone in the car, realizes the integrated form supply of material, and the very big assembly efficiency who has promoted the mill when reducing the bicycle cost to solved the not enough problem in host computer factory place, the rigidity of self of the channel assembly is better in the car as supply of material state simultaneously, can prevent that the part from warping in the transit, thereby the precision of better assurance product.
In this embodiment, left side cavity 3 and right side cavity 4 all link up along the fore-and-aft direction, and the whole of passageway assembly all has the cavity in the car, can further promote structural strength, optimizes the biography power route.
In this embodiment, the two upper beam longitudinal plates 221 each include an upper beam longitudinal plate front segment 2211, an upper beam longitudinal plate middle segment 2212, and an upper beam longitudinal plate rear segment 2213, which are sequentially arranged from front to back, the height of the upper beam longitudinal plate front segment 2211 is greater than that of the upper beam longitudinal plate rear segment 2213, and the upper beam longitudinal plate middle segment 2212 is decreased progressively from front to back. The upper beam longitudinal plate 221 is formed in a structure with a high front and a low rear, and is convenient to be matched with a vehicle body counterpart member.
In this embodiment, the upper beam longitudinal plate 221 located on the left side and the lower beam longitudinal plate 121 located on the left side are parallel to each other, the upper beam longitudinal plate 221 located on the right side and the lower beam longitudinal plate 121 located on the right side are parallel to each other, and a gap is ensured between the upper beam longitudinal plate 221 and the corresponding lower beam longitudinal plate 121, so that the left cavity 3 and the right cavity 4 are both ensured to be through in the front-back direction.
In this embodiment, the included angle α between the two lower beam longitudinal plates 121 is 5 ° to 25 °, for example, α may be 7 °, 12 °, or 15 °. The included angle between two underbeam vertical plates 121 can promote the support intensity of underbeam vertical plates 121, does benefit to the power transmission that will receive to underbeam turn-ups 122 and preceding floor module.
In this embodiment, each of the two upper beam cross plates 212 includes an upper beam cross plate front section 2121, an upper beam cross plate middle section 2122, and an upper beam cross plate rear section 2123, which are sequentially arranged from front to back, the upper beam cross plate front section 2121 is parallel to the upper beam cross plate rear section 2123, the upper beam cross plate front section 2121 is located above the upper beam cross plate rear section 2123, and the upper beam cross plate middle section 2122 is inclined downward from front to back; underbeam diaphragm 11 includes underbeam diaphragm anterior segment 111 that sets gradually from the past to the back, underbeam diaphragm middle section 112 and underbeam diaphragm rear section 113, underbeam diaphragm anterior segment 111 is parallel to each other with upper beam diaphragm anterior segment 2121, underbeam diaphragm middle section 112 is parallel to each other with upper beam diaphragm middle section 2122, underbeam diaphragm rear section 113 is parallel to each other with upper beam diaphragm rear section 2123, can guarantee to have the clearance between upper beam diaphragm 212 and the underbeam diaphragm 11, thereby further guarantee that left side cavity 3 and right side cavity 4 all link up along the fore-and-aft direction. It should be noted that the upper cross plate front section 2121 and the upper cross plate rear section 2123 are also parallel to the upper beam flange 222 and the front floor module.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (7)
1. The utility model provides a passageway assembly in car, is including well passageway underbeam (1) that is "nearly" font, well passageway underbeam (1) is including underbeam diaphragm (11) and two underbeam stabilizer blades (12), two underbeam stabilizer blade (12) set up respectively the left and right sides of underbeam diaphragm (11), two underbeam stabilizer blade (12) include underbeam longitudinal plate (121) and be used for underbeam turn-ups (122) be connected with preceding floor, the upper and lower both ends of underbeam longitudinal plate (121) respectively with underbeam diaphragm (11) and underbeam turn-ups (122) are connected, its characterized in that: the middle channel upper beam (2) is arranged on the middle channel lower beam (1), the middle channel upper beam (2) comprises an upper beam cross member (21) and two upper beam support legs (22), the two upper beam support legs (22) are respectively arranged on the left side and the right side of the upper beam cross member (21), the two upper beam support legs (22) comprise upper beam longitudinal plates (221) and upper beam flanges (222) used for being connected with the lower beam flanges (122), and the upper side and the lower side of each upper beam longitudinal plate (221) are respectively connected with the upper beam cross member (21) and the upper beam flanges (222); the upper beam cross member (21) comprises an upper beam groove (211) and two upper beam transverse plates (212) which are arranged on the left side and the right side of the upper beam groove (211) respectively, the upper beam groove (211) is sunken downwards, the lower surfaces of the upper beam groove (211) are attached to the lower beam transverse plates (11), gaps are formed between the upper beam transverse plates (212) and the lower beam transverse plates (11), the upper beam longitudinal plates (221) and the lower beam longitudinal plates (121) respectively form gaps, a left cavity (3) is formed between the upper beam transverse plates (212) and the upper beam longitudinal plates (221) on the middle channel lower beam (1) and on the left side, and a right cavity (4) is formed between the upper beam transverse plates (212) and the upper beam longitudinal plates (221) on the middle channel lower beam (1) and on the right side.
2. The vehicle center tunnel assembly of claim 1, wherein: the left cavity (3) and the right cavity (4) are communicated along the front and back directions.
3. The vehicle center tunnel assembly of claim 1, wherein: the two upper beam longitudinal plates (221) respectively comprise an upper beam longitudinal plate front section (2211), an upper beam longitudinal plate middle section (2212) and an upper beam longitudinal plate rear section (2213) which are sequentially arranged from front to back, the height of the upper beam longitudinal plate front section (2211) is larger than that of the upper beam longitudinal plate rear section (2213), and the heights of the upper beam longitudinal plate middle sections (2212) are gradually decreased from front to back.
4. The vehicle center tunnel assembly of claim 3, wherein: the upper beam longitudinal plate (221) on the left side and the lower beam longitudinal plate (121) on the left side are parallel to each other, and the upper beam longitudinal plate (221) on the right side and the lower beam longitudinal plate (121) on the right side are parallel to each other.
5. The vehicle center tunnel assembly of claim 4, wherein: the included angle alpha of the two lower beam longitudinal plates (121) is 5-25 degrees.
6. The vehicle center tunnel assembly of claim 3, wherein: the two upper beam transverse plates (212) respectively comprise an upper beam transverse plate front section (2121), an upper beam transverse plate middle section (2122) and an upper beam transverse plate rear section (2123), the upper beam transverse plate front section (2121) and the upper beam transverse plate rear section (2123) are arranged in sequence from the front to the back, the upper beam transverse plate front section (2121) is located above the upper beam transverse plate rear section (2123), and the upper beam transverse plate middle section (2122) is inclined downwards from the front to the back.
7. The vehicle center tunnel assembly of claim 6, wherein: underbeam diaphragm (11) includes underbeam diaphragm anterior segment (111), underbeam diaphragm middle section (112) and underbeam diaphragm back end (113) that set gradually from the past to back, underbeam diaphragm anterior segment (111) with upper beam diaphragm anterior segment (2121) is parallel to each other, underbeam diaphragm middle section (112) with upper beam diaphragm middle section (2122) is parallel to each other, underbeam diaphragm back end (113) with upper beam diaphragm back end (2123) is parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111404989.9A CN114148417A (en) | 2021-11-24 | 2021-11-24 | Automobile middle channel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111404989.9A CN114148417A (en) | 2021-11-24 | 2021-11-24 | Automobile middle channel assembly |
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| Publication Number | Publication Date |
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| CN114148417A true CN114148417A (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111404989.9A Withdrawn CN114148417A (en) | 2021-11-24 | 2021-11-24 | Automobile middle channel assembly |
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| CN (1) | CN114148417A (en) |
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| JP2007153012A (en) * | 2005-12-01 | 2007-06-21 | Mazda Motor Corp | Vehicle body bottom part structure |
| JP2011235666A (en) * | 2010-05-06 | 2011-11-24 | Honda Motor Co Ltd | Floor structure of vehicle |
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| CN209888947U (en) * | 2019-05-06 | 2020-01-03 | 广州汽车集团股份有限公司 | A front floor assembly structure |
| CN210391333U (en) * | 2019-08-29 | 2020-04-24 | 重庆普尼朗顿科技股份有限公司 | Front floor welding assembly |
| CN210634646U (en) * | 2019-06-03 | 2020-05-29 | 浙江零跑科技有限公司 | Bending rigidity reinforcing structure for floor beam of electric automobile |
| CN111591355A (en) * | 2020-06-12 | 2020-08-28 | 合肥长安汽车有限公司 | Laser tailor-welded automobile front floor structure |
| CN111619670A (en) * | 2019-09-19 | 2020-09-04 | 长城汽车股份有限公司 | Front vehicle body structure and automobile |
| CN212766497U (en) * | 2020-07-10 | 2021-03-23 | 东风小康汽车有限公司重庆分公司 | Automobile front floor reinforcing mechanism |
-
2021
- 2021-11-24 CN CN202111404989.9A patent/CN114148417A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007112173A (en) * | 2005-10-18 | 2007-05-10 | Mazda Motor Corp | Bottom part car body structure of vehicle |
| JP2007153012A (en) * | 2005-12-01 | 2007-06-21 | Mazda Motor Corp | Vehicle body bottom part structure |
| JP2011235666A (en) * | 2010-05-06 | 2011-11-24 | Honda Motor Co Ltd | Floor structure of vehicle |
| CN207416972U (en) * | 2017-09-28 | 2018-05-29 | 宁波吉利汽车研究开发有限公司 | Preceding floor assembly and body of a motor car |
| CN209888947U (en) * | 2019-05-06 | 2020-01-03 | 广州汽车集团股份有限公司 | A front floor assembly structure |
| CN210634646U (en) * | 2019-06-03 | 2020-05-29 | 浙江零跑科技有限公司 | Bending rigidity reinforcing structure for floor beam of electric automobile |
| CN210391333U (en) * | 2019-08-29 | 2020-04-24 | 重庆普尼朗顿科技股份有限公司 | Front floor welding assembly |
| CN111619670A (en) * | 2019-09-19 | 2020-09-04 | 长城汽车股份有限公司 | Front vehicle body structure and automobile |
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Application publication date: 20220308 |