CN112407052A - High-strength automobile floor longitudinal beam - Google Patents
High-strength automobile floor longitudinal beam Download PDFInfo
- Publication number
- CN112407052A CN112407052A CN202011305967.2A CN202011305967A CN112407052A CN 112407052 A CN112407052 A CN 112407052A CN 202011305967 A CN202011305967 A CN 202011305967A CN 112407052 A CN112407052 A CN 112407052A
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- CN
- China
- Prior art keywords
- mounting
- main shell
- mounting hole
- flanging
- fixing plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a high-strength automobile floor longitudinal beam, which comprises: the main shell is arranged in the middle of the longitudinal beam, the inner walls of two sides of the main shell are respectively provided with a first mounting hole, and a second mounting hole is arranged between every two adjacent first mounting holes; a buffer member disposed inside the main housing; the flanging is arranged on the outer side of the upper end of the main shell, mounting plates are arranged at two ends of the flanging, and third mounting holes are formed in the mounting plates; the reinforcing rib plate is arranged at the included angle between the mounting plate and the flanging; a reinforcing rib provided at a bottom end inside the main housing; first reinforcing convex rings arranged at both ends of the first mounting hole; and the second reinforcing convex rings are arranged at two ends of the second mounting hole. The automobile floor longitudinal beam has the advantages that the structural strength is high, the longitudinal beam is not easy to be stressed and damaged in the collision process, and the driving safety is improved.
Description
Technical Field
The invention relates to the technical field of automobile parts, in particular to a high-strength automobile floor longitudinal beam.
Background
The automobile is one of the common transportation means in our daily life, and has the advantages of rapidness, convenience, flexibility and the like. The floor system is one of the important parts of the vehicle body and is the foundation of the vehicle body. The vehicle body floor and other assemblies jointly form the rigidity and the strength of the vehicle body. The service life and the driving safety of the whole vehicle are influenced. Stringers are one of the major components in automotive flooring systems. The floor longitudinal beam plays a crucial role, and a completely designed floor longitudinal beam structure needs to be capable of bearing huge impact force so as to ensure the safety performance of the automobile.
The existing automobile floor longitudinal beam is simple in structure, so that the strength of the automobile floor longitudinal beam is not high enough, the automobile floor longitudinal beam is easily stressed and damaged in the collision process, and the driving safety is reduced.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide a high-strength automobile floor longitudinal beam, which realizes the problems that the automobile floor longitudinal beam has high structural strength, is not easy to be damaged by stress in the collision process and improves the driving safety.
In order to achieve the above objects and other objects, the present invention adopts the following technical solutions:
a high strength automotive floor rail comprising:
the main shell is arranged in the middle of the longitudinal beam, the inner walls of two sides of the main shell are respectively provided with four first mounting holes, the four first mounting holes are symmetrically arranged, a second mounting hole is arranged between every two adjacent first mounting holes, the number of the second mounting holes is four, and the four second mounting holes are symmetrically arranged;
the buffer parts are arranged inside the main shell, and the number of the buffer parts is three, and the three buffer parts are distributed in sequence;
the flanging is arranged on the outer side of the upper end of the main shell, mounting plates are arranged at two ends of the flanging, the mounting plates and the flanging are integrated, and a third mounting hole is formed in each mounting plate;
the reinforcing rib plate is arranged at the included angle between the mounting plate and the flanging and is welded with the mounting plate and the flanging;
the three reinforcing ribs are arranged at the bottom end in the main shell and are in an integral structure with the main shell, and the three reinforcing ribs are distributed in sequence;
the first reinforcing convex rings are arranged at two ends of the first mounting hole, the inner diameter of each first reinforcing convex ring is the same as the diameter of the first mounting hole, and the first reinforcing convex rings and the main shell are of an integral structure;
the second reinforcing convex rings are arranged at two ends of the second mounting hole, the inner diameter of each second reinforcing convex ring is the same as the diameter of the corresponding second mounting hole, and the second reinforcing convex rings and the main shell are of an integral structure.
Preferably, the buffer member includes a first fixing plate, a first stop collar, a second fixing plate, a second stop collar, a buffer spring, and a fixing hole.
Preferably, the first limit sleeve is arranged outside one end of the buffer spring, the second limit sleeve is arranged outside the other end of the buffer spring, one end of the first limit sleeve and one end of the second limit sleeve, which are far away from each other, are fixedly connected with the first fixing plate and the second fixing plate respectively, two ends of the buffer spring are fixedly connected with the first fixing plate and the second fixing plate respectively, and the fixing holes are formed in four corners of the first fixing plate and the second fixing plate.
Preferably, the first mounting hole is provided in a circular configuration, and the second mounting hole is provided in an annular configuration.
Preferably, both ends of the flanging are provided with grooves, and the grooves are of a trapezoidal structure.
Preferably, both ends of the groove are provided with third mounting holes.
Preferably, the outer surface of the longitudinal beam is coated with an anticorrosive coating, and the outer part of the anticorrosive coating is coated with a wear-resistant coating.
Preferably, the fixing hole is connected with the main casing by a screw.
The invention at least comprises the following beneficial effects:
1. the invention can effectively improve the structural strength of the main shell through the reinforcing ribs which are distributed in sequence at the bottom end in the main shell, the reinforcing rib plate is arranged at the included angle between the mounting plate and the flanging, the structural strength of the connecting part of the mounting plate and the flanging can be effectively improved through the reinforcing rib plate, the first reinforcing convex rings are arranged at the two ends of the first mounting hole, the second reinforcing convex rings are arranged at the two ends of the second mounting hole, the first reinforcing convex ring and the second reinforcing convex ring can effectively improve the structural strength of the first mounting hole and the second mounting hole, meanwhile, the longitudinal beam is integrally formed in a casting mode, so that the longitudinal beam has very good integrity, the structural strength of each structural joint is high, the longitudinal beam is not easy to break, therefore, the overall strength of the longitudinal beam is effectively improved, the longitudinal beam is not easy to be stressed and damaged in the collision process, and the driving safety is improved.
2. According to the invention, the buffer part is arranged in the main shell, and consists of the first fixing plate, the first limit sleeve, the second fixing plate, the second limit sleeve, the buffer spring and the fixing hole, the buffer spring has good elasticity and deformation recovery capacity, can be compressed when being subjected to external force, and can generate reaction force for deformation recovery at the same time, so that the received force is eliminated in the process, when the side wall of the main shell is impacted by the external force, the buffer part provides support for the main shell, and has the effects of buffering and shock absorption, the influence of the external force on the longitudinal beam is effectively reduced, and the longitudinal beam is not easy to deform and damage.
3. According to the invention, the outer surface of the longitudinal beam is coated with the anticorrosive coating, and the anticorrosive coating can form a shielding coating on the surface of the longitudinal beam to prevent water and oxygen from contacting and reacting with the surface of the longitudinal beam, so that a good anticorrosive effect is achieved.
Drawings
FIG. 1 is a schematic view of the overall internal structure provided by the present invention;
FIG. 2 is a schematic structural view of a buffer member provided in the present invention;
FIG. 3 is a front view of a stringer provided in accordance with the present invention;
FIG. 4 is a bottom view of a stringer provided in accordance with the present invention;
fig. 5 is a connection relation diagram of the longitudinal beam provided by the invention, the anticorrosion coating and the wear-resistant coating.
Detailed Description
The present invention is described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description.
As shown in fig. 1-5, a high strength automotive floor rail includes: the device comprises a longitudinal beam 1 and a main shell 2 arranged in the middle of the longitudinal beam 1, wherein the inner walls of two sides of the main shell 2 are respectively provided with four first mounting holes 4, the four first mounting holes 4 are symmetrically arranged, second mounting holes 5 are arranged between every two adjacent first mounting holes 4, the number of the second mounting holes 5 is four, and the four second mounting holes 5 are symmetrically arranged; the buffer parts 3 are arranged inside the main shell 2, three buffer parts 3 are arranged, and the three buffer parts 3 are distributed in sequence; the flanging 8 is arranged on the outer side of the upper end of the main shell 2, mounting plates 6 are arranged at two ends of the flanging 8, the mounting plates 6 and the flanging 8 are of an integral structure, and third mounting holes 12 are formed in the mounting plates 6; the reinforcing rib plate 7 is arranged at the included angle between the mounting plate 6 and the flanging 8 and is connected with the mounting plate 6 and the flanging 8 in a welding way; the reinforcing ribs 11 are arranged at the bottom end inside the main shell 2 and are integrated with the main shell 2 into a whole, three reinforcing ribs 11 are arranged, and the three reinforcing ribs 11 are distributed in sequence; the first reinforcing convex rings 13 are arranged at two ends of the first mounting hole 4, the inner diameter of each first reinforcing convex ring 13 is the same as the diameter of the first mounting hole 4, and the first reinforcing convex rings 13 and the main shell 2 are of an integral structure; and the second reinforcing convex rings 14 are arranged at two ends of the second mounting hole 5, the inner diameter of each second reinforcing convex ring 14 is the same as the diameter of the second mounting hole 5, and the second reinforcing convex rings 14 and the main shell 2 are of an integral structure.
In the scheme, the main shell is the main part of the longitudinal beam, the first mounting hole and the second mounting hole are used for fixedly mounting the longitudinal beam, the buffer piece has a shock absorption and buffering effect, three reinforcing ribs which are distributed in sequence are arranged at the bottom end inside the main shell, the structural strength of the main shell can be effectively improved through the reinforcing ribs, reinforcing rib plates are arranged at the included angle between the mounting plate and the flanging, the structural strength of the connection part between the mounting plate and the flanging can be effectively improved through the reinforcing rib plates, the first reinforcing convex rings are arranged at the two ends of the first mounting hole, the second reinforcing convex rings are arranged at the two ends of the second mounting hole, the structural strength of the first mounting hole and the second mounting hole can be effectively improved through the first reinforcing convex rings and the second reinforcing convex rings, meanwhile, the longitudinal beam is integrally molded in a casting mode, the integrity of the longitudinal beam is very good, and the structural strength of each structural connection part is also high, the longitudinal beam is not easy to break, so that the overall strength of the longitudinal beam is effectively improved, the longitudinal beam is not easy to stress and damage in the collision process, and the driving safety is improved.
In a preferred embodiment, the buffer 3 includes a first fixing plate 31, a first stop collar 32, a second fixing plate 33, a second stop collar 34, a buffer spring 35 and a fixing hole 36.
In the above scheme, overall structure is simple, through utilizing the good elasticity of bolster self and the ability of recovering the deformation, can play good buffering, shock attenuation effect, and then for main casing side wall provides the support, when the lateral wall of the main casing receives external force to strike, can play buffering, shock attenuation effect, effectively reduces the influence of external force to the longeron, makes its non-deformable, damage, the life of extension longeron.
In a preferable scheme, the first position-limiting sleeve 32 is disposed outside one end of the buffer spring 35, the second position-limiting sleeve 34 is disposed outside the other end of the buffer spring 35, ends of the first position-limiting sleeve 32 and the second position-limiting sleeve 34, which are far away from each other, are fixedly connected to the first fixing plate 31 and the second fixing plate 33, two ends of the buffer spring 35 are fixedly connected to the first fixing plate 31 and the second fixing plate 33, respectively, and the fixing holes 36 are disposed at four corners of the first fixing plate 31 and the second fixing plate 33.
In the above scheme, both ends through buffer spring extend to the inside of first stop collar and second stop collar respectively, usable first stop collar and second stop collar restrict buffer spring, support for buffer spring provides, and then can improve the holistic structural strength of bolster, let buffer spring work steadily, extension buffer spring's life, the fixed orifices sets up four corners at first fixed plate and second fixed plate, be used for being connected of first fixed plate and second fixed plate and main casing body, set up slottedly simultaneously on first stop collar and the second stop collar, by this can be less first stop collar and second stop collar preparation material, weight reduction, and cost is reduced.
In a preferred embodiment, the first mounting hole 4 is configured as a circular structure, and the second mounting hole 5 is configured as an annular structure.
In the above scheme, set up to circular structure through first mounting hole, the second mounting hole sets up to annular structure, and the first mounting hole of two kinds of different shapes and the bolt of the different specifications of second mounting hole mountable have increased fixed mode's variety through the bolt of the different specifications of installation, can improve fixed fastness and stability.
In a preferable scheme, grooves 10 are formed in two ends of the flanging 8, and the grooves 10 are in a trapezoidal structure.
In the above scheme, on the one hand, the used material of the flanging can be reduced through the grooves, so that the weight is reduced, the production cost is reduced, and on the other hand, the structural strength of the flanging can be improved.
In a preferable scheme, both ends of the groove 10 are provided with third mounting holes 9.
In the above scheme, the third mounting hole can be used for the fixed mounting of longeron, improves the fastness of longeron installation, makes it be difficult for droing in the use, improves driving safety.
In a preferable scheme, the outer surface of the longitudinal beam 1 is coated with an anticorrosion coating 15, and the outer part of the anticorrosion coating 15 is coated with a wear-resistant coating 16.
In the above scheme, form one deck shielding coating on the longeron surface of metal system through anticorrosive coating, prevent water and oxygen and longeron surface contact production reaction, and then play good anticorrosive effect, anticorrosive coating's surface coating wear-resistant coating can effectively reduce the wearing and tearing that external factor caused to the longeron through wear-resistant coating, can effectively improve the protective effect to the longeron from this, prolongs the life of longeron.
In a preferred embodiment, the fixing holes 36 are connected to the main housing 2 by screws.
In the above scheme, pass the fixed orifices through the screw and realize the fixed of bolster and main casing body, fixed mode is simple, and installation technical content is low, can effectively reduce the assemble duration, improves the packaging efficiency.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (8)
1. A high strength automotive floor rail, comprising:
the main shell is arranged in the middle of the longitudinal beam, the inner walls of two sides of the main shell are respectively provided with four first mounting holes, the four first mounting holes are symmetrically arranged, a second mounting hole is arranged between every two adjacent first mounting holes, the number of the second mounting holes is four, and the four second mounting holes are symmetrically arranged;
the buffer parts are arranged inside the main shell, and the number of the buffer parts is three, and the three buffer parts are distributed in sequence;
the flanging is arranged on the outer side of the upper end of the main shell, mounting plates are arranged at two ends of the flanging, the mounting plates and the flanging are integrated, and a third mounting hole is formed in each mounting plate;
the reinforcing rib plate is arranged at the included angle between the mounting plate and the flanging and is welded with the mounting plate and the flanging;
the three reinforcing ribs are arranged at the bottom end in the main shell and are in an integral structure with the main shell, and the three reinforcing ribs are distributed in sequence;
the first reinforcing convex rings are arranged at two ends of the first mounting hole, the inner diameter of each first reinforcing convex ring is the same as the diameter of the first mounting hole, and the first reinforcing convex rings and the main shell are of an integral structure;
the second reinforcing convex rings are arranged at two ends of the second mounting hole, the inner diameter of each second reinforcing convex ring is the same as the diameter of the corresponding second mounting hole, and the second reinforcing convex rings and the main shell are of an integral structure.
2. A high strength automotive floor rail as claimed in claim 1 wherein said buffer member comprises a first fixing plate, a first stop collar, a second fixing plate, a second stop collar, a buffer spring and a fixing hole.
3. The high-strength automobile floor stringer according to claim 2, wherein the first position-limiting sleeve is disposed outside one end of the buffer spring, the second position-limiting sleeve is disposed outside the other end of the buffer spring, the ends of the first position-limiting sleeve and the second position-limiting sleeve away from each other are fixedly connected to the first fixing plate and the second fixing plate, the two ends of the buffer spring are fixedly connected to the first fixing plate and the second fixing plate, and the fixing holes are disposed at four corners of the first fixing plate and the second fixing plate.
4. A high strength automotive floor stringer as claimed in claim 1 wherein said first mounting aperture is provided in a circular configuration and said second mounting aperture is provided in an annular configuration.
5. A high strength automotive floor stringer according to claim 1, wherein both ends of said flange are provided with grooves, said grooves being arranged in a trapezoidal configuration.
6. A high strength automotive floor stringer according to claim 5, wherein both ends of said groove are provided with third mounting holes.
7. A high strength automotive floor rail as claimed in claim 1 wherein the exterior surface of said rail is coated with a corrosion resistant coating, the exterior of said corrosion resistant coating being coated with a wear resistant coating.
8. A high strength automotive floor rail as claimed in claim 2, wherein said fixing holes are screwed with the main cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011305967.2A CN112407052A (en) | 2020-11-19 | 2020-11-19 | High-strength automobile floor longitudinal beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011305967.2A CN112407052A (en) | 2020-11-19 | 2020-11-19 | High-strength automobile floor longitudinal beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112407052A true CN112407052A (en) | 2021-02-26 |
Family
ID=74774701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011305967.2A Pending CN112407052A (en) | 2020-11-19 | 2020-11-19 | High-strength automobile floor longitudinal beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112407052A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010234853A (en) * | 2009-03-30 | 2010-10-21 | Iida Sangyo Kk | Foaming filling tool |
| CN201923209U (en) * | 2010-11-18 | 2011-08-10 | 浙江吉利汽车研究院有限公司 | Floor longitudinal beam structure |
| CN106005040A (en) * | 2016-07-21 | 2016-10-12 | 北京新能源汽车股份有限公司 | Instrument panel transverse beam for vehicle and vehicle with same |
| CN206797488U (en) * | 2017-06-21 | 2017-12-26 | 重庆飞特车辆技术有限公司 | Automotive front pillar inner plate assembly |
| CN208616060U (en) * | 2018-07-23 | 2019-03-19 | 江西协中汽车内饰有限公司 | A kind of high-intensitive automobile-used rear floor of novel durable |
| CN209112286U (en) * | 2018-09-29 | 2019-07-16 | 上汽通用五菱汽车股份有限公司 | A kind of rear end beam assembly |
-
2020
- 2020-11-19 CN CN202011305967.2A patent/CN112407052A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010234853A (en) * | 2009-03-30 | 2010-10-21 | Iida Sangyo Kk | Foaming filling tool |
| CN201923209U (en) * | 2010-11-18 | 2011-08-10 | 浙江吉利汽车研究院有限公司 | Floor longitudinal beam structure |
| CN106005040A (en) * | 2016-07-21 | 2016-10-12 | 北京新能源汽车股份有限公司 | Instrument panel transverse beam for vehicle and vehicle with same |
| CN206797488U (en) * | 2017-06-21 | 2017-12-26 | 重庆飞特车辆技术有限公司 | Automotive front pillar inner plate assembly |
| CN208616060U (en) * | 2018-07-23 | 2019-03-19 | 江西协中汽车内饰有限公司 | A kind of high-intensitive automobile-used rear floor of novel durable |
| CN209112286U (en) * | 2018-09-29 | 2019-07-16 | 上汽通用五菱汽车股份有限公司 | A kind of rear end beam assembly |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210226 |