CN215883814U - Front longitudinal beam avoiding and reinforcing combined structure - Google Patents
Front longitudinal beam avoiding and reinforcing combined structure Download PDFInfo
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- CN215883814U CN215883814U CN202122100656.9U CN202122100656U CN215883814U CN 215883814 U CN215883814 U CN 215883814U CN 202122100656 U CN202122100656 U CN 202122100656U CN 215883814 U CN215883814 U CN 215883814U
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 11
- 238000003466 welding Methods 0.000 claims abstract description 11
- 238000001125 extrusion Methods 0.000 claims abstract description 7
- 230000002787 reinforcement Effects 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 abstract description 3
- 238000005728 strengthening Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of automobile parts, in particular to a front longitudinal beam avoiding and reinforcing combined structure which comprises a front longitudinal beam body formed by extrusion of aluminum alloy, wherein the front longitudinal beam body is of a hollow cavity structure with a plurality of longitudinal beam cavities distributed longitudinally, an avoiding component for avoiding a transmission shaft is arranged on the front longitudinal beam body, an avoiding area is formed in the front longitudinal beam body by hollowing, the avoiding component is fixedly installed at the avoiding area by welding and is an extruded profile mechanism, crushing characteristic ribs are arranged at the front end of the top of the front longitudinal beam body, side reinforcing ribs are arranged on two sides of the front longitudinal beam body and are vertically arranged, and the crushing characteristic ribs and the side reinforcing ribs are favorable for improving the strength of the front longitudinal beam body and the buffering capacity for resisting collision, so that the collision impact energy transmitted from the front end to a vehicle cab is reduced, and the safety of a driver taking a bus is protected.
Description
Technical Field
The utility model relates to the technical field of automobile parts, in particular to a front longitudinal beam avoiding and reinforcing combined structure.
Background
Along with the increasing seriousness of resource and environment problems brought by economic development and the strictness of the requirements of laws and regulations on vehicle emission, more and more automobile manufacturers invest a large amount of manpower and material resources to develop new energy automobiles, the new energy automobiles are considered from the light weight perspective, most of parts such as automobile bodies, chassis and the like adopt aluminum extruded profiles or aluminum casting structures, wherein front longitudinal beams are used as automobile front cabin parts to be connected with front anti-collision beams and chassis suspension systems, rear parts are connected with front wall beams of the automobile bodies, the structures are mostly aluminum extruded profile cavity structures, the sections are mostly simple layered cavity structures, and an aluminum alloy front longitudinal beam structure is provided as the Chinese patent application No. CN 202020630681.0.
But in order to satisfy the not co-altitude spatial arrangement of transmission shaft in the front deck, the front longitudinal reserved dodges the space and increases to on aluminium alloy longeron body, lead to opening a great breach as dodging the space on the front longitudinal body, this intensity that has reduced the front longitudinal body to a certain extent, be unfavorable for the energy absorption effect of car collision in-process, in order to realize dodging the function in addition, will dodge the structural design and become integral casting structure more, or complicated punching press tailor-welding structure, the front longitudinal structure that so technology was made is complicated and manufacturing cost is higher.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, a front longitudinal beam avoiding and reinforcing combined structure is provided. The technical scheme aims to solve the problem of avoiding of the transmission shaft of the environment part in the middle and rear sections of the front longitudinal beam, and achieve the purposes of reducing collision impact energy transmitted from the front end to the vehicle cab and protecting the safety of a driver taking a bus.
In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows:
the utility model provides a front longitudinal girder dodges and strengthens integrated configuration, includes aluminum alloy extrusion's front longitudinal girder body, and the cavity die cavity structure of front longitudinal girder body for having a plurality of longitudinal distribution's longeron die cavity is provided with the subassembly of dodging the transmission shaft on the front longitudinal girder body, and it has dodges the district to dig out on the front longitudinal girder body, dodges district department and dodges the subassembly through the welded fastening installation, dodges the subassembly and extrudes the section bar for the aluminum alloy.
Preferably, the front longitudinal beam body is of a hollow cavity structure, four longitudinal beam cavities are vertically distributed, an avoidance area penetrating through the longitudinal beam cavities is arranged at the bottom of the middle-rear section of the front longitudinal beam body, and the longitudinal beam cavity at the lowest part is removed from the front longitudinal beam body on one side of the avoidance area.
Preferably, the top front end of front longitudinal body is provided with the conquassation characteristic muscle, and the both sides of front longitudinal body are provided with the side strengthening rib, and the vertical setting of side strengthening rib.
Preferably, the crushing characteristic rib and the side reinforcing rib are fixedly connected with the front longitudinal beam body through a plug-in type stamping process.
Preferably, dodge the subassembly including dodging the reinforcement, the overall dimension who dodges the reinforcement is identical with the district of dodging of front longitudinal body, dodges to be provided with on the reinforcement and dodges the die cavity, dodges the die cavity and is used for dodging the transmission shaft, dodges the both sides of reinforcement and sets up the edge flat board of horizontal extension, edge flat board and front longitudinal body lower terminal surface overlap joint.
Preferably, a preformed groove is arranged at a corner position formed by the avoidance reinforcing part and the edge flat plate of the avoidance assembly.
Compared with the prior art, the application has the beneficial effects that:
1. this application forms the front longitudinal girder that has the transmission shaft structure of dodging through the front longitudinal girder body that adopts cavity formula extrusion section bar structure with dodging the subassembly welded connection, and connection process is simple, and the cost is lower relatively, and the uniformity is stronger, and the assembly precision is better, can satisfy front longitudinal girder overall structure's intensity requirement.
2. This application is got rid of through front longitudinal body front end longeron die cavity of the bottom, and the rear end remains the longeron die cavity of the bottom to the realization is dodging the front longitudinal body bottom of district front end and dodging the front longitudinal body bottom of district rear end and forming the difference in height, with the installation environment who adapts to the front longitudinal body.
3. This application does benefit to the intensity that improves the front longitudinal body and the buffer capacity who resists the collision through arranging of the conquassation characteristic muscle on the front longitudinal body and side strengthening rib, and then reduces the collision impact energy that transmits the vehicle cockpit from the front end, and the driver safety by bus is protected.
4. This application sets up conquassation characteristic muscle and side strengthening rib on the front longitudinal body through plug type stamping process to improve the purpose of the wholeness ability of front longitudinal body when realizing reducing the cost of manufacture.
5. This application is through dodging the lower terminal surface overlap joint of dodging district both sides of the dull and stereotyped edge that sets up of reinforcement both sides and front longitudinal body, and the dull and stereotyped edge remains certain clearance with the front longitudinal body and is favorable to the front longitudinal body and dodges the butt joint tailor-welding assembly of reinforcement.
6. This application is through the reservation groove that is similar to tool withdrawal groove structure to effectively avoid dodging the bight position of subassembly and the contact department of front longitudinal body and produce the fillet and interfere, thereby the overall structure who dodges the subassembly is stable in the protection.
Drawings
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is a first perspective view of the front rail body of the present invention;
FIG. 4 is a second perspective view of the front rail body of the present invention;
FIG. 5 is a perspective view of an avoidance assembly of the present invention;
FIG. 6 is a side view of the bypass assembly of the present invention and an enlarged partial view thereof;
the reference numbers in the figures are:
1-a front longitudinal beam body; 1 a-longitudinal beam cavity; 1 b-an avoidance zone; 1 c-crushing a characteristic rib; 1 d-side reinforcing ribs;
2-avoiding the assembly; 2 a-avoidance reinforcement; 2 b-avoiding a cavity; 2 c-edge plate; 2 d-reserve groove.
Detailed Description
The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
In order to solve the technical problem of how to avoid the processing load and high cost caused by the integral casting structure or the stamping and tailor welding, as shown in fig. 1 and 2, the following preferred technical solutions are provided: a front longitudinal beam avoiding and reinforcing combined structure comprises a front longitudinal beam body 1 formed by extrusion molding of aluminum alloy, wherein the front longitudinal beam body 1 is of a hollow cavity structure with a plurality of longitudinal beam cavities 1a distributed longitudinally, and an avoiding component 2 for avoiding a transmission shaft is arranged on the front longitudinal beam body 1; an avoidance area 1b is hollowed on the front longitudinal beam body 1, an avoidance assembly 2 is fixedly installed at the avoidance area 1b through welding, and the avoidance assembly 2 is an aluminum alloy extruded section.
Specifically, this embodiment forms the front longitudinal girder that has the transmission shaft structure of dodging through the front longitudinal girder body 1 that adopts the cavity formula to extrude the section bar structure and dodge 2 welded connection of subassembly, dodges and only need be connected through aluminium arc welding between subassembly 2 and the front longitudinal girder body 1, and connection process is simple, and the cost is lower relatively, and the front longitudinal girder body 1 that just is the aluminium alloy extrusion section bar together is stronger with dodging subassembly 2 welding uniformity, and the assembly precision is better, can satisfy front longitudinal girder overall structure's intensity requirement.
Further, in order to solve the technical problem of how to satisfy the height difference between the front end and the rear end of the front side member body 1 and the matching of the environmental elements, as shown in fig. 1 to 4, the following preferred technical solutions are provided: the front longitudinal beam body 1 is of a hollow cavity structure, four longitudinal beam cavities 1a are vertically distributed, an avoidance area 1b penetrating through the longitudinal beam cavities 1a is arranged at the bottom of the middle-rear section of the front longitudinal beam body 1, and the longitudinal beam cavity 1a at the lowest part of the front longitudinal beam body 1 on one side of the avoidance area 1b is removed.
Specifically, the front longitudinal beam body 1 in this embodiment adopts an extruded profile structure, and the section structure is a common hollow cavity structure, and the four longitudinal beam cavities 1a are arranged in total. In order to meet the height difference of the front end and the rear end and match the environmental part, the lowermost longitudinal beam cavity 1a at the front end of the front longitudinal beam body 1 is removed, the lowermost longitudinal beam cavity 1a is reserved at the rear end, the front longitudinal beam body 1 uses an avoidance area 1b as a separation point, the height difference is formed between the bottom of the front longitudinal beam body 1 at the front end of the avoidance area 1b and the bottom of the front longitudinal beam body 1 at the rear end of the avoidance area 1b so as to adapt to the installation environment of the front longitudinal beam body 1, and the avoidance area 1b hollowed in the middle and rear section area of the front longitudinal beam body 1 avoids a transmission shaft for welding and installing an avoidance assembly 2.
Further, in order to solve the technical problem that the opening of the avoidance area 1b on the front side member body 1 is likely to cause the reduction of the overall strength of the front side member body 1, as shown in fig. 3 and 4, the following preferred technical solutions are provided: the top front end of front longitudinal body 1 is provided with conquassation characteristic muscle 1c, and the both sides of front longitudinal body 1 are provided with side strengthening rib 1d, and side strengthening rib 1d is vertical to be set up.
Specifically, most of the existing front longitudinal beams are designed to be integral lower end avoidance transmission mechanisms, and due to the fact that the strength problem is considered, an avoidance structure is rarely directly arranged on the section bar, in the embodiment, the front longitudinal beam body 1 is hollowed to form an avoidance area 1b, the avoidance assembly 2 is welded to form a front longitudinal beam structure, in order to meet the crushing performance and strength requirements of the front longitudinal beam body 1, the upper part of the front end of the front longitudinal beam body 1 is added with a crushing characteristic rib 1c to play a role in crushing and buffering, two side surfaces of the front longitudinal beam body 1 are respectively added with a side surface reinforcing rib 1d which is vertically arranged to play a role in reinforcing, the arrangement of the crushing characteristic ribs 1c and the side reinforcing ribs 1d on the front longitudinal beam body 1 is beneficial to improving the strength of the front longitudinal beam body 1 and the buffering capacity of resisting collision, further reducing the collision impact energy transmitted from the front end to the vehicle cab and protecting the safety of the driver in the vehicle.
Further, in order to solve the technical problem of high cost of manufacturing the crushing characteristic rib 1c and the side reinforcing rib 1d by hydraulic expansion, as shown in fig. 3 and 4, the following preferable technical solutions are provided: the crushing characteristic rib 1c and the side reinforcing rib 1d are fixedly connected with the front longitudinal beam body 1 through a plug-in type stamping process.
Specifically, the crushing characteristic rib 1c and the side reinforcing rib 1d in this embodiment are arranged on the front longitudinal beam body 1 through a plug-in type stamping process, the plug-in type stamping process is relatively lower in cost of manufacturing with hydraulic bulging, the precision requirements of the crushing characteristic rib 1c and the side reinforcing rib 1d can be met, and the purpose of improving the overall performance of the front longitudinal beam body 1 while reducing the manufacturing cost is achieved.
Further, in order to solve the technical problem of how to weld and connect the avoidance module 2 and the front side member body 1, as shown in fig. 5, the following preferred technical solutions are provided: dodge subassembly 2 including dodging reinforcement 2a, the overall dimension who dodges reinforcement 2a is identical with the district 1b of dodging of front longitudinal beam body 1, dodges and is provided with on reinforcement 2a and dodges die cavity 2b, dodges die cavity 2b and is used for dodging the transmission shaft, dodges reinforcement 2 a's both sides and sets up the dull and stereotyped 2c in edge that the level extends, dull and stereotyped 2c in edge and the lap joint of terminal surface under the front longitudinal beam body 1.
Specifically, dodge subassembly 2 in this embodiment is including the dodging reinforcement 2a of aluminum alloy extrusion, the shape of dodging reinforcement 2a is identical with the dodging district 1b shape of front longitudinal beam body 1 and can guarantee to dodge reinforcement 2a welding and install stably with front longitudinal beam body 1 in dodging district 1b department, dodge the transmission shaft that the die cavity 2b that dodges that sets up on reinforcement 2a is used for dodging drive mechanism, dodge the dull and stereotyped 2c in edge that reinforcement 2a both sides set up and the lower terminal surface overlap joint of dodging district 1b both sides of front longitudinal beam body 1, dull and stereotyped 2c in edge and front longitudinal beam body 1 remain 0.5 mm's clearance and be favorable to front longitudinal beam body 1 and dodge the butt joint of reinforcement 2a and splice welding assembly.
Further, in order to solve the technical problem of how to avoid the fillet interference at the contact position of the corner of the avoidance reinforcement 2a and the front side member body 1, as shown in fig. 6, the following preferred technical solutions are provided: a reserved groove 2d is arranged at the corner position formed by the avoidance reinforcing piece 2a and the edge flat plate 2c of the avoidance component 2.
Specifically, the corner position that dodges reinforcement 2a and edge flat plate 2c in this implementation formed is provided with the reservation groove 2d that is similar to tool withdrawal groove structure, and reservation groove 2d can effectively avoid dodging subassembly 2's corner position and front longitudinal body 1 contact department and produce the fillet and interfere to the overall structure who protects dodge subassembly 2 is stable.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. A front longitudinal beam avoiding and reinforcing combined structure comprises a front longitudinal beam body (1) formed by extrusion of aluminum alloy, wherein the front longitudinal beam body (1) is of a hollow cavity structure with a plurality of longitudinal beam cavities (1a) distributed longitudinally, and an avoiding assembly (2) for avoiding a transmission shaft is arranged on the front longitudinal beam body (1); the front longitudinal beam is characterized in that an avoidance area (1b) is hollowed on the front longitudinal beam body (1), an avoidance component (2) is fixedly installed at the avoidance area (1b) through welding, and the avoidance component (2) is an aluminum alloy extruded section.
2. The front longitudinal beam avoiding and reinforcing combined structure is characterized in that the front longitudinal beam body (1) is of a hollow cavity structure, four longitudinal beam cavities (1a) are vertically distributed, an avoiding area (1b) penetrating through the longitudinal beam cavities (1a) is arranged at the bottom of the middle-rear section of the front longitudinal beam body (1), and the longitudinal beam cavity (1a) at the lowest part of the front longitudinal beam body (1) on one side of the avoiding area (1b) is removed.
3. The front longitudinal beam avoiding and reinforcing combined structure is characterized in that the crushing characteristic rib (1c) is arranged at the front end of the top of the front longitudinal beam body (1), the side reinforcing ribs (1d) are arranged on two sides of the front longitudinal beam body (1), and the side reinforcing ribs (1d) are vertically arranged.
4. The front longitudinal beam avoiding and reinforcing combined structure as claimed in claim 3, wherein the crushing characteristic rib (1c) and the side reinforcing rib (1d) are fixedly connected with the front longitudinal beam body (1) through a plug-in type stamping process.
5. The front longitudinal beam avoiding and reinforcing combined structure according to claim 1, wherein the avoiding component (2) comprises an avoiding reinforcing member (2a), the shape and the size of the avoiding reinforcing member (2a) are matched with an avoiding area (1b) of the front longitudinal beam body (1), an avoiding cavity (2b) is arranged on the avoiding reinforcing member (2a), the avoiding cavity (2b) is used for avoiding a transmission shaft, two sides of the avoiding reinforcing member (2a) are provided with horizontally extending edge flat plates (2c), and the edge flat plates (2c) are in lap joint with the lower end face of the front longitudinal beam body (1).
6. The front longitudinal beam avoidance and reinforcement combination structure according to claim 1, characterized in that a reserved groove (2d) is arranged at a corner position formed by the avoidance reinforcement (2a) and the edge flat plate (2c) of the avoidance assembly (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122100656.9U CN215883814U (en) | 2021-09-01 | 2021-09-01 | Front longitudinal beam avoiding and reinforcing combined structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122100656.9U CN215883814U (en) | 2021-09-01 | 2021-09-01 | Front longitudinal beam avoiding and reinforcing combined structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215883814U true CN215883814U (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122100656.9U Active CN215883814U (en) | 2021-09-01 | 2021-09-01 | Front longitudinal beam avoiding and reinforcing combined structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215883814U (en) |
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2021
- 2021-09-01 CN CN202122100656.9U patent/CN215883814U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: NINGBO MINTH AUTOMOTIVE PARTS RESEARCH&DEVELOPMENT Co.,Ltd. Assignor: NINGBO XINTAI MACHINERY Co.,Ltd. Contract record no.: X2023980053787 Denomination of utility model: A composite structure for front longitudinal beam avoidance and reinforcement Granted publication date: 20220222 License type: Common License Record date: 20231225 |
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| EE01 | Entry into force of recordation of patent licensing contract |