CN206510988U - Passage in a kind of Varying-thickness automobile - Google Patents
Passage in a kind of Varying-thickness automobile Download PDFInfo
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- CN206510988U CN206510988U CN201621292629.9U CN201621292629U CN206510988U CN 206510988 U CN206510988 U CN 206510988U CN 201621292629 U CN201621292629 U CN 201621292629U CN 206510988 U CN206510988 U CN 206510988U
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Abstract
Passage in a kind of Varying-thickness automobile, wherein channel body are thin-wall construction, and middle channel body section is in integrally several fonts or M shapes, and it is into a single integrated structure that middle channel body strengthens longeron with floor；The middle channel body is divided into four sections, set changeover portion between section and section, successively including middle channel body I section, middle channel body First Transition section, middle channel body II sections, the changeover portion of middle channel body second, middle channel body III sections, the changeover portion of middle channel body the 3rd, middle channel body IV sections；Middle channel body I sections~IV sections are equal thickness structure, and the changeover portion thickness of middle channel body first~the 3rd is continuous variable thickness structure.Design thickness of the passage along vehicle body X-direction different parts is different in the utility model Varying-thickness automobile, passage can overcome the shortcomings of various middle passage designs disclosed in early stage well in the Varying-thickness, the requirement of security performance when both having met its stand under load, body lightening can be realized to greatest extent again.
Description
Technical field
The utility model belongs to auto parts and components manufacture field, passage in more particularly to a kind of Varying-thickness automobile.
Background technology
Automobile industry is to vehicle body security requirement more and more higher, and middle passage is as important on automobile body-in-white floor assembly
Part, it welds together with front panel assembly, plays an important roll to automobile central collision and side impact security performance, rational design
Middle channel design simultaneously selects appropriate material, thickness most important.Various functions part to be installed on passage in generally, causes body
Structure is larger and complexity, at the same security requirement in collision process in channel deformation amount very little, therefore middle channel body can cloth
Put reinforcer and the high and thicker material of selection intensity.
And simultaneously with the increase of car ownership, environmental problem is that automobile vendor and user vehicle are of interest, automobile is light
Quantization is the effective measures of energy-conserving and environment-protective, is also the inexorable trend of automotive technology development.In the car how it is realized on passage
It is structure lightened, while ensureing that it turns into a major challenge in structural rigidity and collision performance requirement.
Middle passage can be divided into middle passage leading portion and middle channel body section, and its structure has monoblock type and split type, monoblock type
It is a part to refer to leading portion and body, and material is consistent with thickness；And the split type requirement according to structure and performance, can
To set two-part material different with thickness, two parts are welded together subsequently through welding or laser assembly solder plate is used
Form carry out punching press.Using the structure of monoblock type, to ensure security, the strength of materials and thickness of whole middle passage can all compare
Higher, light weight effect is poor；Using split type structure, lap position uses Type of Welding, there is stress concentration and part
Work strengthening, is unfavorable for the transmission of power during collision, the intensity and endurance quality of final influence lap-joint.
Chinese patent notification number 203844849U discloses passage assembly in a kind of new automobile, including middle passage sheet
Passage assembly also includes a reinforcer in body, the automobile, and the reinforcer is welded in the middle channel body, and with
A closed cavity is formed between the middle channel body.Reinforcer increases middle passage assembly cross-sectional height and area, carries
The high intensity of middle passage assembly, while closed cavity is when frontal crash of vehicles, has good lead to the load of collision
To effect, the security performance of automobile is improved.And the thickness of the middle channel body sheet material can be reduced using reinforcer, so that
Effectively reduce the weight of middle passage assembly.
The metal thin-wall structure that channel design is one of the forming in automobile disclosed in Chinese patent notification number 203974957U,
It is divided into first, second two sections, two sections of thickness differences, first paragraph thickness is larger, and second segment thickness is smaller, and first thickness continuously becomes
Change to the second thickness, this structure can not only ensure the security of frontal crash of vehicles, improve frontal crash of vehicles
Performance, and in the case where ensureing collision safety performance, realize in automobile channel design lightweight and save in this region
Material is saved, its weight loss effect is obvious；Thickness and hardness smooth variation of the channel design on longitudinal direction (length direction) in simultaneously,
In the absence of stress concentration phenomenon, with good forming property.But, do not relate to the section shape of part in that patent
Shape, specific thickening design method, the manufacture method of part plate etc..
Because middle passage is in main Path of Force Transfer in vehicle body central collision, and cross force can pass through floor in side impact
Crossbeam is delivered in middle channel body, should consider the smoothness of power transmission during central collision, has the intensity of local location to be ensured with full
The effect of power when sufficient central collision and side impact.The design of passage in being carried out using above-mentioned published structure, it is impossible on comprehensively considering
Problem of both stating, and the design of this labyrinth form, are also considerably increased while the deadweight for adding automobile
Material cost.
The content of the invention
The purpose of this utility model is to design passage in a kind of Varying-thickness automobile, along vehicle body X-direction different parts
Design thickness it is different, passage can overcome the shortcomings of various middle passage designs disclosed in early stage well in the Varying-thickness,
The requirement of security performance when both having met its stand under load, body lightening can be realized to greatest extent again.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：
A kind of passage in Varying-thickness automobile, the middle channel body is thin-wall construction, and middle channel body section is integrally in several
Font or M shapes, it is into a single integrated structure that middle channel body strengthens longeron with floor；The middle channel body is divided into four sections, Duan Yuduan
Between set changeover portion, successively including middle channel body I sections, middle channel body First Transition section, middle channel body II sections, middle passage
The changeover portion of body second, middle channel body III sections, the changeover portion of middle channel body the 3rd, middle channel body IV sections；Middle channel body
I sections~IV sections are equal thickness structure, and the changeover portion thickness of middle channel body first~the 3rd is continuous variable thickness structure.
It is preferred that, described middle channel body I sections, IV sections are connected with front panel and rear floor respectively, middle channel body I sections
Thickness is 1.0~3.0 millimeters；Middle channel body IV sections because in middle channel rear portion, thickness is 0.6~2.0 millimeter；Middle passage
II sections of thickness of body are 0.6~2.0 millimeter；Middle channel body III sections of thickness is 1.0~3.0 millimeters.
It is preferred that, described middle channel body I, II, III, IV sections and each changeover portion are one of the forming structure.
It is preferred that, described middle channel body I sections of length is between 100~200mm, and middle channel body II sections of length exists
Between 150~300mm, middle channel body III sections of length is between 150~300mm, and middle channel body IV sections of length exists
Between 50-300mm.
Passage in the utility model Varying-thickness automobile, middle passage leading portion is connected with front panel, and left and right passes through middle passage both sides
Longeron links together with left and right floor, has two floor crossmembers coupled in the middle part of middle passage, it can be seen that middle passage
Body is acted on by central collision and side impact simultaneously.
Middle channel body I, IV section is connected with front panel and rear floor respectively, in order to keep the reliability of connection, the section
The general structure for being designed as not Varying-thickness, between 1.0~3.0 millimeters, and the I sections of main stress in central collision power transmission
Point, more greatly 1.0~3.0 millimeters of this section of thickness；Middle channel body IV sections to intensity and thickness due in middle channel rear portion, wanting
Ask not high, the position thickness is minimum, is 0.6~2.0 millimeter；Middle channel body II and III sections is also equal thickness section, wherein II
Put and be not related to stress point, thickness is smaller, be 0.6~2.0 millimeter；The middle channel body III sections of shadows by transverse load during side impact
Ring, this section of desired strength is high, therefore sets this section of thickness larger, is 1.0~3.0 millimeters.The different section of each two thickness it
Between be changeover portion, and each changeover portion uses continuous variable thickness form, to ensure the continuity of changeover portion power transmission, while continuously
Transition also can guarantee that the fatigue life of parts locally position.
Wherein, the middle channel body structural section integrally be in several fonts, and floor strengthen longeron done with middle channel body
Integrally, integral rigidity is improved.Its section also can increase composite bending modulus principle and increase anti-collision effect is set according to other
Meter form, such as ' M ' shape.
Wherein, such as the middle channel body structure material can be metal material, various high-strength steel, aluminium alloy etc., it can
Using cold stamping form, it would however also be possible to employ heat forming technology is produced.
Correspondingly, the utility model embodiment also provides a kind of manufacture method of passage in new Varying-thickness automobile, and it is walked
It is rapid as follows：
According to the difference of automotive type, middle channel body I sections of length is between 100~200mm, middle channel body II sections
Length between 150~300mm, middle channel body III sections of length between 150~300mm, middle channel body IV sections
Length is between 50-300mm.
The beneficial effects of the utility model：
1. the walled thickness of middle channel design of the present utility model is from front end to back-end realization gradual change, in intensity requirement
High position thickness is larger, it is desirable to which not high position is moderately thinned, so that passage collision safety performance and vehicle are firm in satisfaction
While degree is required, body lightening is realized while fully playing material load-carrying properties；
2. middle channel design of the present utility model uses flexible rolling Varying-thickness sheet material, surface does not have thickness caused by weld seam
Mutation, its surface quality is good, and bonding strength is high, and homogenous material properties, intensity distribution is continuous；
3. design of material of the middle channel design of the present utility model because employing non-uniform thickness, farthest reduces material
Use, light weight effect is good；
4. middle channel design of the present utility model is one piece of plate forming, the side welded together compared to existing two parts
Case, reduces number of parts, reduces die cost, reduces welding sequence, can effective improving production efficiency；
5. using passage scheme in Varying-thickness automobile of the present utility model, light weight effect is good, performance is protruded, integrated cost
Reduction.
Brief description of the drawings
Fig. 1 is the schematic perspective view of channel body in the utility model Varying-thickness automobile.
Fig. 2 is the structural representation of channel body in the utility model Varying-thickness automobile.
Fig. 3 is channel body thickness transitions section schematic diagram in the utility model Varying-thickness automobile.
Embodiment
Referring to Fig. 1~Fig. 3, passage in a kind of Varying-thickness automobile of the present utility model, the middle channel body is thin-walled knot
Structure, middle channel body section is in integrally several fonts or M shapes, and it is into a single integrated structure that middle channel body strengthens longeron with floor；In described
Channel body is divided into four sections, and changeover portion is set between section and section, successively including middle channel body I sections 1, the mistake of middle channel body first
Cross section 2, middle channel body II sections 3, the second changeover portion of middle channel body 4, middle channel body III sections 5, the mistake of middle channel body the 3rd
Cross section 6, middle channel body IV sections 7；
Middle channel body I sections~IV sections 1,3,5,7 are equal thickness structure, and thickness is set respectively as t1, t2, t3, t4, wherein
T1, t3 thickness are greater than t2, t4, and t1 and t3 thickness can be with identical, and t2 and t4 can also be identical.Middle channel body the first~the
Three changeover portion thickness 2,4,6 are continuous variable thickness structure.
It is preferred that, the middle channel body I sections 1, IV sections 7 are connected with front panel and rear floor respectively, middle channel body I
1 thickness of section is 1.0~3.0 millimeters；Middle channel body IV sections 7 are because in middle channel rear portion, thickness is 0.6~2.0 millimeter；In
The thickness of channel body II sections 3 is 0.6~2.0 millimeter；The thickness of middle channel body III sections 5 is 1.0~3.0 millimeters.
In the present embodiment, thickness t1, t3 of the middle channel body I sections 1 and middle channel body III sections 5 1.0~
Between 2.0mm, thickness t2, t4 of the middle channel body II sections 3 and middle channel body IV sections 7 are between 0.8~1.0mm.
It is preferred that, described middle channel body I, II, III, IV sections and each changeover portion are one of the forming structure.
It is preferred that, the length of the middle channel body I sections 1 is between 100~200mm, the length of middle channel body II sections 3
Between 150~300mm, the length of middle channel body III sections 5 is between 150~300mm, the length of middle channel body IV sections 7
Between 50-300mm.
Wherein, middle channel body part maximum gauge t1 (t3) and minimum thickness t2 (t4) thickness difference in design is to the maximum
2:1, i.e. maximum gauge t1 (t3) are less than or equal to 2 times of minimum thickness t2 (t4).
Wherein, front and rear three changeover portions change set transitional region, transition to adapt to body thickness in middle channel body
Duan Houdu is between minimum and maximum thickness, and thickness change is linear transitions.
Middle channel body section described in the utility model integrally be in several fonts, and floor strengthen longeron done with middle channel body
Integrally, integral rigidity is improved.Its section also can increase composite bending modulus principle and increase anti-collision effect is set according to other
Meter form, such as ' M ' shape.
The utility model in view of the shortcomings of the prior art, is reached by part along the design of vehicle body X-direction different-thickness
Requirement of the passage to securities such as central collision, side impacts in automobile, while the light-weight design of part can be realized.By by flexibility
Channel body in the board making that rolling technique is made, so middle different cross section of the passage on vehicle body longitudinal direction has different thickness
Degree distribution, so as to set larger thickness in central collision key area and the main stress area of middle channel body leading portion, leads in reduction
Power is quickly distributed to the middle side girder of passage two again while road body distortion；Simultaneously in the middle part of middle channel body due to by
The effect of cross force during side impact, the region is also required to strengthen, therefore also designs larger thickness；Simultaneously by non-key bearing area
Middle channel rear portion be designed as less thickness, so as to realize light-weight design.This middle channel design can not only preferably expire
Sufficient vehicle body central collision, side impact security requirement, raising vehicle body is curved, turn round rigidity, and simple in construction, using continuous variable thickness sheet material system
Make, passage cost of manufacture in the surdimensionnement on material thickness and number of parts, reduction can be avoided, and light weight effect is good.
Automotive safety turns into the Main way of development of automobile with lightweight.The utility model is set in the different parts of middle passage
Different-thickness is counted, and uses what the same Varying-thickness sheet material by the continuous thickness transitions of flexible rolling was made.Not only
The requirement of passage crashworthiness and rigidity of the vehicle, also farthest reduces materials'use in meeting well, realizes
Lightweight is realized while safe.
The utility model is thickening using the same of continuous thickness transitions between different parts different-thickness, different-thickness position
The method of passage part in board making automobile is spent, can also be on automobile other structures part, crossbeam, threshold before and after such as roof
Beam, seat are installed to be applied on the body structural members such as crossbeam, B posts, more may apply in other mechanical structures.
Claims (5)
1. passage in a kind of Varying-thickness automobile, it is characterised in that the middle channel body is thin-wall construction, middle channel body section
Overall is in several fonts or M shapes, and it is into a single integrated structure that middle channel body strengthens longeron with floor；The middle channel body is divided into four
Section, sets changeover portion between section and section, successively including middle channel body I section, middle channel body First Transition section, middle channel body II
Section, the changeover portion of middle channel body second, middle channel body III sections, the changeover portion of middle channel body the 3rd, middle channel body IV sections；
Middle channel body I sections~IV sections are equal thickness structure, and the changeover portion thickness of middle channel body first~the 3rd is continuous change
Thickness structure.
2. passage in Varying-thickness automobile as claimed in claim 1, it is characterised in that described middle channel body I sections, IV sections of difference
It is connected with front panel and rear floor, middle channel body I sections of thickness is 1.0~3.0 millimeters；Middle channel body IV sections of thickness is
0.6~2.0 millimeter；Middle channel body II sections of thickness is 0.6~2.0 millimeter；Middle channel body III sections of thickness be 1.0~
3.0 millimeter.
3. passage in Varying-thickness automobile as claimed in claim 1 or 2, it is characterised in that described middle channel body I sections of length
Between 100~200mm, middle channel body II sections of length is between 150~300mm, and middle channel body III sections of length exists
Between 150~300mm, middle channel body IV sections of length is between 50-300mm.
4. passage in Varying-thickness automobile as claimed in claim 1 or 2, it is characterised in that the middle channel body I, II, III,
IV sections and each changeover portion are one of the forming structure.
5. passage in Varying-thickness automobile as claimed in claim 3, it is characterised in that described middle channel body I, II, III, IV
Section and each changeover portion are one of the forming structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621292629.9U CN206510988U (en) | 2016-11-29 | 2016-11-29 | Passage in a kind of Varying-thickness automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621292629.9U CN206510988U (en) | 2016-11-29 | 2016-11-29 | Passage in a kind of Varying-thickness automobile |
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| Publication Number | Publication Date |
|---|---|
| CN206510988U true CN206510988U (en) | 2017-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621292629.9U Active CN206510988U (en) | 2016-11-29 | 2016-11-29 | Passage in a kind of Varying-thickness automobile |
Country Status (1)
| Country | Link |
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| CN (1) | CN206510988U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111422261A (en) * | 2020-03-17 | 2020-07-17 | 宁波吉利汽车研究开发有限公司 | Well access structure and electric automobile |
| CN113428239A (en) * | 2021-08-05 | 2021-09-24 | 安徽江淮汽车集团股份有限公司 | Platform-based rear longitudinal beam structure of engine room |
| CN115009380A (en) * | 2022-07-19 | 2022-09-06 | 奇瑞汽车股份有限公司 | Floor structure and vehicle before automobile body |
-
2016
- 2016-11-29 CN CN201621292629.9U patent/CN206510988U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111422261A (en) * | 2020-03-17 | 2020-07-17 | 宁波吉利汽车研究开发有限公司 | Well access structure and electric automobile |
| CN113428239A (en) * | 2021-08-05 | 2021-09-24 | 安徽江淮汽车集团股份有限公司 | Platform-based rear longitudinal beam structure of engine room |
| CN113428239B (en) * | 2021-08-05 | 2022-08-09 | 安徽江淮汽车集团股份有限公司 | Platform-based rear longitudinal beam structure of engine room |
| CN115009380A (en) * | 2022-07-19 | 2022-09-06 | 奇瑞汽车股份有限公司 | Floor structure and vehicle before automobile body |
| CN115009380B (en) * | 2022-07-19 | 2024-03-01 | 奇瑞汽车股份有限公司 | Front floor structure of vehicle body and vehicle |
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