CN201769899U - Car beam for installing torsion beam assembly and car - Google Patents

Car beam for installing torsion beam assembly and car Download PDF

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Publication number
CN201769899U
CN201769899U CN2010202520883U CN201020252088U CN201769899U CN 201769899 U CN201769899 U CN 201769899U CN 2010202520883 U CN2010202520883 U CN 2010202520883U CN 201020252088 U CN201020252088 U CN 201020252088U CN 201769899 U CN201769899 U CN 201769899U
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CN
China
Prior art keywords
car beam
car
plate
end plate
torsion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010202520883U
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Chinese (zh)
Inventor
鲍涛
邓留名
汪侃磊
王广杰
刘勇
张鹏
闫辉
张娟
龙仕彰
王玉琴
王懿
鲁蓁云
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SAIC Motor Corp Ltd
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SAIC Motor Corp Ltd
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Priority to CN2010202520883U priority Critical patent/CN201769899U/en
Application granted granted Critical
Publication of CN201769899U publication Critical patent/CN201769899U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a car beam for installing a torsion beam assembly and a car having the car beam. The car beam comprises a car beam outer plate, a car beam inner plate, a car beam inner reinforcing plate, a front part end plate and a rear part end plate, wherein the car beam inner plate is fixed on the inner side of the car beam outer plate; the car beam inner reinforcing plate is fixed on the inner side of the car beam inner plate; the front part end plate is positioned at the front end on the inner side of the car beam inner reinforcing plate; and the rear part end plate is positioned at the rear end, which is opposite to the front part end plate, on the inner side of the car beam inner reinforcing plate. The front part end plate is respectively welded with the car beam inner reinforcing plate, the car beam inner plate and the car beam outer plate. The rear part end plate is respectively welded with the car beam inner reinforcing plate, the car beam inner plate, the car beam outer plate and a rear doorsill. By optimizing an internal structure of the conventional car bean, the car beam realizes the transmission and decomposition of impact force from a chassis and ensures the safety and reliability of the car; and the car beam has simple structure, low cost and high reliability, is simple for manufacture and convenient for installation.

Description

Be used to install the car beam and the vehicle of torsion beam assembly
[technical field]
The utility model relates to the vehicle technology field, relates in particular to a kind of vehicle that is used to that the car beam of torsion beam assembly is installed and has this car beam.
[background technology]
Automobile body is one of important component part of vehicle.Bodyshell is the installation basis of all car body components, and bodyshell can be divided into three kinds of non-bearing formula, half bearing-type and bearing-types according to stressing conditions.For economical with materials and light-weight design, at present in the majority, light level, baby car and part bus body often adopt self-supporting body.Self-supporting body is a kind of body integral with frame, this kind vehicle body not only bears various resistances in the gravity of self and passenger loading and goods and the vehicle ' thereof, but also is passed to the power of vehicle body when passing to the power of vehicle body and vehicle ' by support when bearing the gravity of driving engine and each parts of chassis and work thereof by wheel or suspension by the road surface.When vehicle ' was on rugged road, self-supporting body can produce torsional deflection under loading, each parts mutual alignment mounted thereto is changed.When wheel was subjected to impacting, self-supporting body also can correspondingly be subjected to impact load.Thereby must guarantee the reliability of the attachment point between self-supporting body and thereon each parts of assembling.
Usually, the connection mode of vehicle body and torsion beam assembly is divided into two kinds.
Fig. 1 is a kind of vehicle body of prior art and the three-dimensional decomposition texture scheme drawing of torsion beam assembly, has wherein disclosed first kind of connection mode of vehicle body and torsion beam assembly.As shown in Figure 1, torsion beam mounting bracket 13 carries out carbon-dioxide arc welding with vehicle body 11, makes torsion beam mounting bracket 13 and vehicle body 11 become one, and is directly that torsion beam assembly 12 and vehicle body 11 is integrated on the general assembly operation then.The loading characteristic of this structure is: the power that torsion beam assembly 12 transmits tire passes to torsion beam mounting bracket 13, and the floor side member that makes vehicle body 11 bears impulsive force from the chassis with torsion beam mounting bracket 13.Its advantage is simple in structure, with low cost, easy for installation.But the welding quality of vehicle body 11 and matching precision are difficult to control, produce stress concentration at floor side member easily, and conformity of production is relatively poor.
Fig. 2 is the another kind of vehicle body of prior art and the three-dimensional decomposition texture scheme drawing of torsion beam assembly, has wherein disclosed second kind of connection mode of vehicle body and torsion beam assembly.As shown in Figure 2, torsion beam mounting bracket 23 integrates with torsion beam assembly 22, provides attachment point by vehicle body 21, and the torsion beam assembly 22 that will be integrated with torsion beam mounting bracket 23 then is installed to the attachment point position of vehicle body 21.The loading characteristic of this structure is: the power that torsion beam assembly 22 transmits tire passes to torsion beam mounting bracket 23, is delivered to the floor side member that contact surface conducts to vehicle body 21 again from the impulsive force on chassis is first by attachment point.Because the attachment point of vehicle body 21 is not to bear Z merely to (vertical direction) power, but bears multidirectional torsion, therefore will be strict more for the intensity of the attachment point of vehicle body 21.Advantage is that mounting means and production technology are simple, controls the quality of production easily, but reasonably inner structure becomes the key factor that decision designs success or failure.
Fig. 3 is the local structure scheme drawing of the vehicle body 21 among Fig. 2, for graphic clear for the purpose of, Fig. 3 has only shown the structure of the car beam part of vehicle body 21.As shown in Figure 3, in second kind of connection mode of vehicle body 21 and torsion beam assembly 22, the car girder construction of vehicle body 21 comprises brace panel 243 in car beam outside plate 241, car beam inner panel 242 and the car beam, car beam inner panel 242 is fixed on the inboard of car beam outside plate 241, brace panel 243 is fixed on the inboard of car beam inner panel 242 in the car beam, brace panel 243 has the welding flange in the car beam, and its sidewall with car beam inner panel 242 welds mutually, and brace panel 243 provides welded nut 248 in the car beam.The shortcoming of this vehicle body 21 structures is: vehicle body 21 can only absorb from Z to impulsive force.Yet when vehicle ' during at complex road surface, what the car girder construction of vehicle body 21 was born is compound torsion.Because torsion can't be transmitted and decompose to this vehicle body 21 structures, this torsion makes the attachment point cracking easily, potential safety hazard occurs.
Therefore, press for and provide a kind of and be used for installing the improved type car girder construction of torsion beam assembly to overcome the above problem that prior art exists.
[utility model content]
The technical problems to be solved in the utility model provides a kind of vehicle that is used to that the car beam of torsion beam assembly is installed and has this car beam, and it is easy to make, is convenient to install and has high characteristics of safe reliability.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
Technical scheme 1: a kind of car beam that is used to install the torsion beam assembly, it comprises brace panel in car beam outside plate, car beam inner panel and the car beam, described car beam inner panel is fixed on the inboard of described car beam outside plate, brace panel is fixed on the inboard of described car beam inner panel in the described car beam, wherein, described car beam also comprises anterior end plate, and described anterior end plate is positioned at the front end of described car beam brace panel inboard, and respectively with described car beam in the welding of brace panel and described car beam inner panel.
Technical scheme 2: as technical scheme 1 described car beam, wherein, described anterior end plate also welds with described car beam outside plate.
Technical scheme 3: as technical scheme 2 described car beams, wherein, described car beam also comprises the rear portion end plate, described rear portion end plate be positioned at described car beam brace panel inboard with the relative rear end of described anterior end plate, and respectively with described car beam in brace panel and the welding of described car beam inner panel.
Technical scheme 4: as technical scheme 3 described car beams, wherein, described rear portion end plate also welds with described car beam outside plate and back threshold.
Technical scheme 5: as technical scheme 4 described car beams, wherein, brace panel, described anterior end plate, described rear portion end plate, described back threshold are welded to each other and form semi-enclosed quadrangle box in the described car beam.
Technical scheme 6: as technical scheme 4 described car beams, wherein, the inboard welding of brace panel bearing surface is the welded nut of flange face in the described car beam.
Technical scheme 7: as technical scheme 1 described car beam, wherein, the car beam belongs to the part of monocoque skin construction.
Technical scheme 8: a kind of vehicle is characterized in that: it comprise as each described car beam in the technical scheme 1 to 7 and with as described in the torsion beam assembly that is connected of car beam, described torsion beam assembly is installed on the described car beam from the outside of car beam.
Technical scheme 9: as technical scheme 8 described vehicles, wherein, be integrated with the torsion beam mounting bracket on the described torsion beam assembly, on described car beam, provide the attachment point that is fixedly connected with described torsion beam mounting bracket.
The car beam that is used to install the torsion beam assembly of the present utility model is owing to transmit the impact load actv. on chassis and absorb, make it no longer to concentrate on around the attachment point, reduced too to concentrate the cracking risk that causes, thereby reached safe and reliable purpose owing to attachment point is stressed.Car beam of the present utility model is by optimizing traditional vehicle beam inner structure, realizes conduction and decomposition from the impulsive force on chassis, and is reliable to guarantee vehicle safety.Simple in structure, with low cost taking into account simultaneously made succinctly.
Below by describing the preferred specific embodiment with reference to the accompanying drawings in detail, disclose other aspects of the present utility model and feature more significantly.But should be known in this accompanying drawing only for task of explanation designs, not as the qualification of scope of the present utility model, because the qualification of scope should be with reference to additional claim.Should also be appreciated that unless otherwise indicated, accompanying drawing only tries hard to illustrate conceptually structure described herein and flow process, unnecessary drafting to scale.
[description of drawings]
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in detail, wherein:
Fig. 1 is a kind of vehicle body of prior art and the three-dimensional decomposition texture scheme drawing of torsion beam assembly.
Fig. 2 is the another kind of vehicle body of prior art and the three-dimensional decomposition texture scheme drawing of torsion beam assembly.
Fig. 3 is the local structure scheme drawing of vehicle body shown in Figure 2.
Fig. 4 is the local structure scheme drawing of the body structure of a kind of embodiment of the utility model.
[specific embodiment]
With reference now to accompanying drawing, describe the utility model embodiment preferred, wherein identical label is used for guiding identical element all the time.Purpose for explaining provides many details in the following description, understands in depth so that the utility model provided.Yet this may be conspicuous, does not have these details, and this utility model still can be implemented.
The torsion beam assembly (not shown) that the vehicle of a kind of embodiment of the utility model comprises vehicle body structure and is connected with vehicle body structure.In the present embodiment, vehicle body structure is a kind of monocoque skin construction, and body structure comprises and being used for and torsion beam assembly bonded assembly car beam that the car beam belongs to the part of monocoque skin construction, and the torsion beam assembly is installed to Che Liangshang from the outside of car beam.Be integrated with torsion beam mounting bracket (not shown) on the torsion beam assembly, on the car beam of vehicle body structure, provide the attachment point that is fixedly connected with the torsion beam mounting bracket.
Fig. 4 is the local structure scheme drawing of the body structure of a kind of embodiment of the utility model.For graphic clear for the purpose of, in Fig. 4, only show creation dot structure of the present utility model place, then omit for other relevant existing designs.As shown in Figure 4, the car beam of body structure comprises car beam outside plate 41, be fixed on the car beam inner panel 42 of car beam outside plate 41 inboards, be fixed on brace panel 43 in the car beam of car beam inner panel 42 inboards, is positioned at the anterior end plate 44 of front end of car beam brace panel 43 inboards and the rear portion end plate 45 of the rear end relative with anterior end plate 44 that be positioned at car beam brace panel 43 inboards.Anterior end plate 44 respectively with the car beam in brace panel 43, car beam inner panel 42 and 41 welding of car beam outside plate.Rear portion end plate 45 respectively with the car beam in brace panel 43, car beam inner panel 42, car beam outside plate 41 and back threshold (not label) welding.The anterior end plate 44 that the inboard relative front-end and back-end of brace panel 43 increase respectively in the car beam and the function of rear portion end plate 45 are: transmit and absorb the suffered Z of brace panel in the car beam 43 to impulsive force, make whole car beam and floor can share load from the chassis.
In addition, brace panel 43, anterior end plate 44, rear portion end plate 45, back threshold are welded to each other and form semi-enclosed quadrangle box in the car beam, thereby utilize tetragonal fugitiveness, the torsion that decomposition and absorption vehicle form on complex road surface, and part torsion continued to be passed to vehicle body, make vehicle body integral body stressed.
In the car beam, provide the attachment point that is fixedly connected with the torsion beam mounting bracket on the brace panel 43, and brace panel 43 welding bearing surfaces are the welded nut 48 of flange face in the car beam, because the area of thrust surface of flange face are big, reduce pressure with respect to the nut that does not have flange face, helped reducing stress concentration.Brace panel 43 has been cancelled the welding flange of brace panel in the car beam in the traditional vehicle girder construction in the car beam of the present utility model, makes it not the sidewall welding with car beam inner panel, thereby has simplified the function of brace panel 43 in the car beam, make its bear from Z to impulsive force.
The effect of car beam of the present utility model is: by optimizing traditional vehicle beam inner structure, realizes conduction and decomposition from the impulsive force on chassis, and reliable to guarantee vehicle safety; Simple in structure, with low cost take into account simultaneously make succinct, installation is convenient and reliability is high.
Because car beam of the present utility model transmits the impact load actv. on chassis and absorption, makes it no longer to concentrate on around the attachment point of car beam, reduced too to concentrate the cracking risk that causes, thereby reached safe and reliable purpose owing to attachment point is stressed.
Though the utility model is in this demonstration and description, wherein imagination is most realistic and embodiment preferred, can recognize, in scope of the present utility model, can make a change, be not to be only limited to details described herein, but to meet the four corner of claims, to comprise any and all equality units and equipment.

Claims (9)

1. car beam that is used to install the torsion beam assembly, it comprises brace panel in car beam outside plate, car beam inner panel and the car beam, described car beam inner panel is fixed on the inboard of described car beam outside plate, brace panel is fixed on the inboard of described car beam inner panel in the described car beam, it is characterized in that: described car beam also comprises anterior end plate, described anterior end plate is positioned at the front end of described car beam brace panel inboard, and respectively with described car beam in the welding of brace panel and described car beam inner panel.
2. car beam as claimed in claim 1, wherein, described anterior end plate also welds with described car beam outside plate.
3. car beam as claimed in claim 2, wherein, described car beam also comprises the rear portion end plate, described rear portion end plate be positioned at described car beam brace panel inboard with the relative rear end of described anterior end plate, and respectively with described car beam in brace panel and the welding of described car beam inner panel.
4. car beam as claimed in claim 3, wherein, described rear portion end plate also welds with described car beam outside plate and back threshold.
5. car beam as claimed in claim 4, wherein, brace panel, described anterior end plate, described rear portion end plate, described back threshold are welded to each other and form semi-enclosed quadrangle box in the described car beam.
6. car beam as claimed in claim 4, wherein, the inboard welding of brace panel bearing surface is the welded nut of flange face in the described car beam.
7. car beam as claimed in claim 1, wherein, the car beam belongs to the part of monocoque skin construction.
8. vehicle is characterized in that: it comprise as each described car beam in the claim 1 to 7 and with as described in the torsion beam assembly that is connected of car beam, described torsion beam assembly is installed on the described car beam from the outside of car beam.
9. vehicle as claimed in claim 8 wherein, is integrated with the torsion beam mounting bracket on the described torsion beam assembly, provides the attachment point that is fixedly connected with described torsion beam mounting bracket on described car beam.
CN2010202520883U 2010-07-08 2010-07-08 Car beam for installing torsion beam assembly and car Expired - Fee Related CN201769899U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202520883U CN201769899U (en) 2010-07-08 2010-07-08 Car beam for installing torsion beam assembly and car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202520883U CN201769899U (en) 2010-07-08 2010-07-08 Car beam for installing torsion beam assembly and car

Publications (1)

Publication Number Publication Date
CN201769899U true CN201769899U (en) 2011-03-23

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CN2010202520883U Expired - Fee Related CN201769899U (en) 2010-07-08 2010-07-08 Car beam for installing torsion beam assembly and car

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102717676A (en) * 2012-06-20 2012-10-10 上汽通用五菱汽车股份有限公司 Structure of torsion beam mounting bracket
CN110341801A (en) * 2018-04-06 2019-10-18 丰田自动车株式会社 Vehicle frame construction

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102717676A (en) * 2012-06-20 2012-10-10 上汽通用五菱汽车股份有限公司 Structure of torsion beam mounting bracket
CN102717676B (en) * 2012-06-20 2015-12-09 上汽通用五菱汽车股份有限公司 A kind of torsion beam mounting support structure
CN110341801A (en) * 2018-04-06 2019-10-18 丰田自动车株式会社 Vehicle frame construction

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110323

Termination date: 20190708

CF01 Termination of patent right due to non-payment of annual fee