A kind of automobile-used protection crossbeam assembly
Technical field
The utility model belongs to technical field of automobile accessories, and in particular to a kind of automobile-used protection crossbeam assembly.
Background technique
Front lower portion protects chief component of the crossbeam assembly as automobile parts, and main function is to prevent car from piercing
Big personnel or causality loss are caused in commercial vehicle bottom, have state compulsion laws and regulations requirement.
The front lower protection crossbeam assembly of majority used at present is by girder (welding fabrication), welding support, connecting bracket etc.
It welds or is assembled, the part for welding needs is more, and structure is excessively complicated, and existing structural instability, intensity difference, protection
Spend small problem.
Summary of the invention
In order to solve protection crossbeam assembly structure complexity, the deficiency of stability difference, the utility model provides a kind of automobile-used
Protect crossbeam assembly.
The technical problems to be solved in the utility model is achieved through the following technical solutions:
A kind of automobile-used protection crossbeam assembly, including protection crossbeam, the protection cross rail inner are equipped with support mounting portion;
It further include supporter, the supporter is connect with the inside of the protection crossbeam and support mounting portion respectively, institute
State supporter, support mounting portion constitutes automobile-used protection structure.
Further, the support mounting portion and the supporter are shaped on the protection crossbeam.
Further, the both ends of the protection crossbeam are bent to form the side Bumper of arc respectively inwards.
Further, the side Bumper inner wall radian that the tail end of the supporter and the protection beam-end are formed pastes
It closes.
Further, the supporter include the first supporter and the second supporter, first supporter with it is described
Protect crossbeam inner wall fitting, and the tail end of first supporter merge with the tail portion of the second supporter after with the side Bumper
Fitting, the head end of first supporter are connect with the support mounting portion with the stem of the second supporter.
Further, several dowels are equipped between first supporter and the second supporter.
Further, from the supporter with it is described support mounting portion connect one end to the supporter the other end,
The length of several dowels gradually shortens.
Further, the support mounting portion include the first mounting plate and the second mounting plate, first mounting plate with
Second mounting plate is arranged in parallel on the protection crossbeam, and several reinforcements are equipped between first mounting plate and the second mounting plate
The top of muscle, first mounting plate and the second mounting plate is equipped with U-shaped supporting element, and the width of the U-shaped supporting element is greater than first
Spacing between mounting plate and the second mounting plate.
Further, angle is formed between the supporter and the protection crossbeam, the degree of the angle is 30 °-
60°。
Further, the outer surface of the protection crossbeam is globoidal structure.
The utility model has the beneficial effects that
Chinese herbaceous peony lower part protection crossbeam assembly in the utility model, structure is simple, and stabilized soil pavement is more preferable, especially
The supporter close to Chinese herbaceous peony lower part is increased, ensure that in vehicle collision, the support and protection to Chinese herbaceous peony lower part slow down impact
Dynamics.
In the utility model, supporter respectively with protection crossbeam with support mounting portion connect, three connect to be formed it is stable
Three-legged structure, compared with other support constructions, stability is good, and intensity is higher.
The utility model is described in further details below with reference to accompanying drawings and embodiments.
Detailed description of the invention
Fig. 1 is the main view of the automobile-used protection crossbeam assembly of one kind provided by the utility model;
Fig. 2 is the top view of the automobile-used protection crossbeam assembly of one kind provided by the utility model;
Fig. 3 is the right view of the automobile-used protection crossbeam assembly of one kind provided by the utility model;
Fig. 4 is the structural schematic diagram of the automobile-used protection crossbeam assembly of one kind provided by the invention.
In figure: 1, protecting crossbeam;2, mounting portion is supported;3, supporter;4, the first supporter;5, the second supporter;6, even
Connect muscle;7, the first mounting plate;8, the second mounting plate;9, reinforcing rib;10, U-shaped supporting element;11, side Bumper.
Specific embodiment
Reach the technical means and efficacy that predetermined purpose is taken for the utility model is further described, below in conjunction with attached drawing
And embodiment, to specific embodiment of the present utility model, structure feature and its effect, detailed description are as follows.
Referring to shown in attached drawing 1-3, the automobile-used protection crossbeam assembly of one of the utility model, including protection crossbeam 1, protection
Crossbeam 1 is directly mounted at Chinese herbaceous peony lower part, wherein is equipped on protection crossbeam 1 for that crossbeam 1 will be protected to be installed on Chinese herbaceous peony lower part
Mounting portion 2 is supported, the support mounting portion 2 is set to the inner surface of protection crossbeam 1;By supporting mounting portion 2, facilitating will be protected
Crossbeam 1 is mounted on Chinese herbaceous peony lower part, realizes protection.
Further include supporter 3 in the utility model, above-mentioned supporter 3 respectively with 1 medial surface of protection crossbeam and
Mounting portion 2 is supported to connect, the supporter 3 is set on protection crossbeam 1 close to the position of Chinese herbaceous peony lower part, meanwhile, supporter 3, branch
Support mounting portion 2 constitutes automobile-used protection structure.
In the prior art, basic only one mounting portion of connection on crossbeam 1 is protected, and only relies on protection crossbeam 1 and is impacted
The dispersion of power and the protection of Chinese herbaceous peony, this mode improve intensity firstly, it is necessary to increase structure inside protection crossbeam 1, increase
Add internal structure, brings difficulty to production and processing;Secondly, relying solely on the protection crossbeam 1 parallel with Chinese herbaceous peony, power is dispersed not
Uniformly, protection effect is bad;Again, in the prior art, protect the stability of crossbeam 1 poor, when for Chinese herbaceous peony protection, effect cannot
It is played well.
In the utility model, without changing the structure of protection crossbeam 1, increases supporter 3 on protection crossbeam 1, simultaneously will
Supporter 3 with protection crossbeam 1 and support mounting portion 2 connect, form the triangle of stable structure, by force analysis it is found that
The dispersed phase of the structure of triangle, power is more preferable.When vehicle collides, Chinese herbaceous peony is directly by very strong impact force, if power is straight
It connecing and is applied to Chinese herbaceous peony, Chinese herbaceous peony will be severely damaged, and by the setting of triangular structure and supporter 3, by what is be subject to
Impact force is dispersed and is alleviated well, and then the stress of vehicle ontology will become smaller, and Chinese herbaceous peony is effectively protected.
In the utility model, during the preparation process, it is horizontal that support mounting portion 2 and supporter 3 are shaped in the protection
On beam 1.Specifically, the materials such as aluminium alloy, aluminium, titanium and iron are selected, protection crossbeam 1 is led into extrusion forming of mold, is realized
Exempt from welding structure, meanwhile, technological forming mode is simple, product quality consistency is more preferable, and production efficiency is more preferable.
In the prior art, Chinese herbaceous peony lower part is complicated with protection crossbeam assembly structure, and not only production needs multiple programs, and
And when welding, since structure is complicated, the big finance that cannot achieve robot, needs a large amount of man power and material.This is practical new
In type, in reproduction mode, due to the improvement of structure, therefore industrialized production of being more convenient for, it realizes robot manipulation's processing, improves
Entire production efficiency, and the quality stability of product is more preferable.
Embodiment 1
Referring to shown in attached drawing 1-3, in the present embodiment, including protection crossbeam 1, support mounting portion 2 and supporter 3, reference
The top view of 2 the utility model of attached drawing is it is found that the both ends of protection crossbeam 1 are bent to form the side Bumper 11 of arc respectively inwards.
By the side Bumper 11 being bent to form, the bearing capacity of entire protection crossbeam 1 is increased, so that side stress performance is mentioned
It rises, and then improves the protection to car body.
Referring to shown in attached drawing 2, in the present embodiment, the head end and support mounting portion 2 and protection crossbeam 1 of supporter 3 are distinguished
Connection, and the tail end of supporter 3 is bonded with the 11 inner wall radian of side Bumper of protection 1 end of crossbeam formation, i.e. supporter 3
Head and the tail are connect with protection crossbeam 1.It is bonded by 3 tail end of supporter with the radian of protection crossbeam 1, on the one hand, radian fitting, just
It is more efficient especially when carrying out mold processing in processing;On the other hand, radian is bonded, and improves side Bumper 11
With the stable connection of supporter 3, the service life of protection crossbeam assembly is extended.The increase of radian will protect the stress of crossbeam 1
Sufficiently diverging, especially diffuses to side.And radian is bonded position, stress is maximum, can be promoted to 200 tons, improves protective
Energy.
Referring to shown in attached drawing 2, in the utility model, supporter 3 be can have any shape, for example, passing through setting first
Then first supporter 4 is bonded by support body 4 and the second supporter 5 with protection 1 inner wall of crossbeam, easy to process, specifically when processing,
The tail end of first supporter 4 is first merged with the tail portion of the second supporter 5 and forms cambered structure afterwards, then the cambered structure and side
Bumper 11 is bonded, and carries out fitting processing;And the stem of the head end of the first supporter 4 and the second supporter 5 with the support
Mounting portion 2 connects.From top view as can be seen that supporter 3 at this time is the structure of hollow, this structure passes through mold one
Secondary extrusion forming realizes off-the-peg program in conjunction with the mode of stretch bending, and it is poor to avoid between supporter welding, fastness mutually
The problem of.
Certainly, the first supporter 4 and the second supporter 5 can be the structures such as arc, curve and straight line, only need to be in end
Form arc.
Further, in order to enhance the bearing capacity of entire protection crossbeam assembly, in the present embodiment, the first supporter 4 and the
The uniform wall thickness of two supporters 5, and wall thickness is equal, is easily carried further strengthening for power.
Embodiment 2
Referring to shown in attached drawing 2, in the present embodiment, as the further improvement of embodiment 1, in the first supporter 4 and second
Several dowels 6 is set between supporter 5, and dowel 6 is 1 to numerous, can be according to protection crossbeam assembly general construction
Size and performance be adjusted.
In the present embodiment, protection crossbeam 1, support mounting portion 2 and supporter 3 are all made of titanium matter, molding easy to process.
Increase dowel 6 between the first supporter 4 and the second supporter 5, on the one hand, realize the first supporter 4 and the
Stress booster action between the two can be improved when stressed in connection between two supporters 5;On the other hand, dowel 6
Thickness can select the thickness with the thickness of the first supporter 4 or the second supporter 5;At this point, the increase of dowel 6, is improved
The bearing capacity of entire protection crossbeam assembly, it is ensured that vehicle advance in protection safety.
In the present embodiment, dowel 6, support mounting portion 2 are vertical with protection crossbeam 1, and dowel 6 and support mounting portion
2 is orthogonal, and several dowels 6 are parallel to each other, so that the section of supporter 3, forms the structures such as day font, mesh font, it is this
Structure, can be by extrusion forming of mold, and arc section realizes the molding of product by way of stretch bending, convenient for adding
Work.With in the prior art, be all to be attached by welding technique, on the one hand, production technology trouble, cost is big;On the other hand,
The problems such as welding cannot achieve robot operation, and technique is unable to ensure, not prison welding is be easy to cause to lean on.
As a further improvement, and the dispersion again in stress, setting when, several are set on supporter 3
Dowel, from supporter 3 and one end for connecting of support mounting portion 2, to the other end of supporter 3, the length of several dowels 6 according to
It is secondary to shorten.I.e. closer to middle position, the length of dowel 6 is longer, considers product structure in product design and also considers
Stress condition, intermediate stress is generally most strong, and more muscle positions 6 can disperse stress, so that product is able to bear higher load
Lotus.
Certainly, can also be not parallel between dowel 6, for example connection forms V-structure etc., point of Lai Jinhang power two-by-two
It dissipates, improves bearing capacity.By this structure, the dispersion of power can also be carried out, reaches and improves the function that performance realizes protection.
Embodiment 3
Referring to attached drawing 2 it is found that in the present embodiment, including protection crossbeam 1, support mounting portion 2 and supporter 3, this implementation
In example, support mounting portion 2 includes the first mounting plate 7 and the second mounting plate 8, and the first mounting plate 7 is parallel with the second mounting plate 8
It is set on the protection crossbeam 1, forms groove profile between first mounting plate 7 and the second mounting plate 8, set in the centre of groove profile
There are several reinforcing ribs 9, mesh font structure is formd between reinforcing rib 9 and groove profile, in order to reinforce entire stress condition, the present embodiment
In, it is equipped with U-shaped supporting element 10 at the top of the first mounting plate 7 and the second mounting plate 8, the width of the U-shaped supporting element 10 is greater than
Spacing between first mounting plate 7 and the second mounting plate 8.By the width of U-shaped supporting element 10 be set greater than the first mounting plate 7 with
The distance of spacing between second mounting plate 8, it is therefore intended that, at this point, U-shaped supporting element 10 can directly be connect with Chinese herbaceous peony portion, i.e., most
Stress afterwards can be by being transmitted to the front of vehicle herein, and width is biggish U-shaped, and stress is more preferable.Compared with entire support peace
Reinforcing rib 9 is compared with structure of same size in dress portion 2, and the structure in the present embodiment, stress is more dispersed, and passes through U-shaped support
Entire protection crossbeam assembly is installed on Chinese herbaceous peony, specific installation process by frame 10 are as follows:
Product is connected at left and right sides of Chinese herbaceous peony lower part respectively by 6 groups of high-strength bolts, when U-shaped structure is by guaranteeing to assemble
Three face contacts can guarantee that itself and car body itself become an entirety, preferably play protective action.
Referring to shown in attached drawing 4, the automobile-used protection crossbeam assembly in the utility model is installed by the support in the diagram area B
Crossbeam assembly is installed together by portion 2 with bolt with vehicle, realizes the contact in the protection area crossbeam A and the area C and car body Chinese herbaceous peony portion, most
Realize that the entirety of itself and vehicle is assembled eventually.
Embodiment 4
Referring to shown in attached drawing 2, angle is formed between the supporter 3 in the present embodiment and protection crossbeam 1, it is specifically, described
The degree of angle is 30 ° -60 °, in practical side stress, can be very good the peptizaiton for playing power, avoids direct collision
Local pressure is larger.Acute angle is set by the angle between supporter 3 and protection crossbeam 1, it is therefore intended that, angle is excessive, is not easy
Installation, and when angle too small, angle is too sharp, is easy to scratch vehicle appearance.
Referring to shown in attached drawing 2, in the present embodiment, one side of the crossbeam 1 far from supporter 3 will be protected, i.e. upper surface is set as
Globoidal structure, the degree of globoidal structure are 30 ° -70 °.In the present embodiment, increase surface radian, point of cushion effect can be reinforced
It dissipates, improves the performance of protection crossbeam assembly.
Protection crossbeam assembly in the utility model, process are as follows:
Main beam, bracket and bearing diagonal used in the protection crossbeam assembly are formed by mold first, first melt aluminium ingot
Circulated and the 6005A material that the microelement matches such as certain Mg, Ti, Cu, Cr form requirement is added, then is preforming by mold
For circular aluminum column;Circular aluminum column is placed into 5000t-10000t in large-size extruder in actual use, is heated to 450-550
Left and right is spent, the aluminium after hot melt is formed by molding die into the main beam of product requirement, bracket and bearing diagonal profile;Main beam is again
Two sides are pulled into curved arc structure simultaneously using stretch benders;Bracket and bearing diagonal form in such a way that milling machine is processed again.Entirely
Production process tool guarantees product structure by mold and numerically-controlled machine tool, that is, ensure that the stability of product in turn ensures the essence of product
Degree.
Protection crossbeam assembly in the utility model squeezes part-structure by mold by optimization structure
It is molded, monomeric character is then realized by way of machining.The especially structure of arc surface, just without additional processing
It is able to achieve supporter 3 and protects the perfect combination of crossbeam 1, the production difficulty and difficulty of processing of product component obtain very big drop
It is low, and dimensional accuracy is very high, part quality stability is more preferable.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.