CN201390293Y - Vehicle body reinforcing structure at bridging position of front floor and rear floor - Google Patents

Vehicle body reinforcing structure at bridging position of front floor and rear floor Download PDF

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Publication number
CN201390293Y
CN201390293Y CN200820235251U CN200820235251U CN201390293Y CN 201390293 Y CN201390293 Y CN 201390293Y CN 200820235251 U CN200820235251 U CN 200820235251U CN 200820235251 U CN200820235251 U CN 200820235251U CN 201390293 Y CN201390293 Y CN 201390293Y
Authority
CN
China
Prior art keywords
floor
vehicle body
floor beam
assembly
longitudinal
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
CN200820235251U
Other languages
Chinese (zh)
Inventor
苏秋芬
李程
陈晓峰
杨健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chery Automobile Co Ltd
Original Assignee
Chery Automobile Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chery Automobile Co Ltd filed Critical Chery Automobile Co Ltd
Priority to CN200820235251U priority Critical patent/CN201390293Y/en
Application granted granted Critical
Publication of CN201390293Y publication Critical patent/CN201390293Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a vehicle body reinforcing structure at the bridging position of a front floor and a rear floor, which comprises a front floor longitudinal beam, a rear floor longitudinal beam and a front transverse beam of the rear floor. The front floor longitudinal beam and the rear floor longitudinal beam extend in the front and rear direction of the vehicle body, the front transverse beam of the rear floor extends in the lateral direction of the vehicle body, the rear floor longitudinal beam and the front transverse beam of the rear floor are welded on a rear floor assembly, and the front floor longitudinal beam is welded on a front floor assembly. In addition, the vehicle body reinforcing structure also comprises a connecting plate of the front floor longitudinal beam and the rear floor longitudinal beam. Based on the prior art, the longitudinal beam connecting plate is added to connect the front floor longitudinal beam and the rear floor longitudinal beam, therefore, the front floor assembly and the rear floor assembly of the vehicle body can be connected with each other more firmly.

Description

The vehicle body additional strengthening of a kind of forward and backward floor lap-joint
Technical field
The utility model relates to the body platform of automobile, has particularly strengthened the body mechanism to the intensity of the forward and backward floor lap-joint of auto body.
Background technology
The present additional strengthening of the forward and backward floor lap-joint of automobile comprises the back floor front cross rail that preceding longitudinal floor beam, back longitudinal floor beam and vehicle body left and right directions that the vehicle body fore-and-aft direction extends extend.Here, back longitudinal floor beam is welded on the floor assembly of back with floor, back front cross rail, and preceding longitudinal floor beam 1 is welded on the preceding floor assembly.Joint strenght for floor lap-joint before and after strengthening also is provided with the threshold assembly parallel with forward and backward longitudinal floor beam on the automobile.But, at present, before longitudinal floor beam and back underframe longitudinal member open circuited structure, promptly before longitudinal floor beam and back underframe longitudinal member belong to before floor assembly and back floor assembly, and whole automobile lower body assembly only connects by the landing edge of forward and backward floor assembly and the threshold assembly of side.In the place that does not have threshold, a little less than lap-joint's relative thin on forward and backward floor.
Summary of the invention
The purpose of this utility model is to provide the vehicle body additional strengthening of a kind of forward and backward floor lap-joint, and the forward and backward longitudinal floor beam of automobile is coupled together, and strengthens the intensity of automobile lower body assembly, to overcome deficiency of the prior art.
For solving the problems of the technologies described above, the technical solution of the utility model is: the vehicle body additional strengthening of a kind of forward and backward floor lap-joint, comprise the preceding longitudinal floor beam of vehicle body fore-and-aft direction extension and the back floor front cross rail that back longitudinal floor beam, vehicle body left and right directions extend, longitudinal floor beam and floor, back front cross rail are welded on the floor assembly of back after described, and described preceding longitudinal floor beam is welded on the preceding floor assembly.In addition, also comprise the longeron connecting panel that connects described preceding longitudinal floor beam and back longitudinal floor beam.
Further, described longeron connecting panel is a channel steel shape structure.
Further, described longeron connecting panel and described back floor front cross rail and described back longitudinal floor beam are welded on the floor assembly of back jointly, again with described before preceding longitudinal floor beam welding on the floor assembly.The welding of the side of longitudinal floor beam and described longeron connecting panel forms enclosed cavity before described.
Technical solutions of the utility model have increased the longeron connecting panel that connects preceding longitudinal floor beam and back longitudinal floor beam on the basis of existing technology, and the preceding floor assembly of auto body and back floor assembly can be linked together more securely.In addition, the further optimization of this programme is welded on the floor assembly of back longeron connecting panel and floor, back front cross rail, front and back longitudinal floor beam jointly, forms a kind of new back floor assembly structure.Again with preceding floor assembly welding, form enclosed cavity between preceding longitudinal floor beam and the longeron connecting panel, help improving the torsional stiffness and the bending stiffness of car load, guaranteed that power suffered on the preceding longitudinal floor beam can better transmit, strengthened passenger's personal safety greatly.
Below with reference to accompanying drawing, comparatively detailed explanation is carried out in each preferred embodiment of the present utility model.
Description of drawings
Fig. 1 is the additional strengthening scheme drawing of the utility model embodiment.
Fig. 2 is Figure 1B-B cutaway view.
Among the figure: 1. longitudinal floor beam before, 2. back floor front cross rail, 3. threshold assembly, 4. back longitudinal floor beam, 5. longeron connecting panel.
The specific embodiment
As shown in Figure 1 and Figure 2: the vehicle body additional strengthening of a kind of forward and backward floor lap-joint of present embodiment comprises preceding longitudinal floor beam 1, back longitudinal floor beam 4, threshold assembly 3 and back floor front cross rail 2 and longeron connecting panel 5 that fore-and-aft direction extends.
One end of longeron connecting panel 5 described here has been welded to form new back floor assembly structure with floor, back front cross rail 2, back longitudinal floor beam 4.Before being welded on, on the floor assembly, welds the other end with preceding longitudinal floor beam 1.
The better implement mode is that described threshold assembly 3 is parallel with back longitudinal floor beam 4 with described preceding longitudinal floor beam 1, with front cross rail 2 welding of floor, back.
An end of longeron connecting panel 5 and 1 welding of preceding longitudinal floor beam are fixed in the present embodiment, and the other end is fixed with floor, back front cross rail 2 and 4 welding of back longitudinal floor beam respectively.Like this not only can be for preceding longitudinal floor beam 1 provide and be connected with back underframe longitudinal member 4, but also strengthened the intensity of vehicle body in forward and backward floor lap-joint.
As shown in Figure 2, the additional strengthening of present embodiment can better evenly be delivered to preceding longitudinal floor beam 1 suffered impulsive force on back floor front cross rail 2 and the longeron connecting panel 5, thereby and further be delivered to threshold assembly 3 and back longitudinal floor beam 4 and be delivered to whole vehicle body and get on, be unlikely to make a certain part-structure of vehicle body to be subjected to excessive impulsive force and damage.Because preceding longitudinal floor beam 1, back longitudinal floor beam 4 and longeron connecting panel 5 are framing member, requiring has very high intensity, so in the present embodiment, these several the steel plates that use higher-strength to the greatest extent.Particularly, longeron connecting panel 5 is designed to the channel steel shape structure, and what promptly use is the higher steel plate of intensity, in order to strengthen the intensity of longeron connecting panel, it is designed to the channel steel shape structure, and forms enclosed cavity with floor, back front cross rail.In the groove of longeron connecting panel 5, also be provided with reinforced rib in order further to strengthen its intensity.
As shown in Figure 2, several enclosed cavities have been formed after the welding between the longeron connecting panel 5 of present embodiment and preceding longitudinal floor beam 1, floor, back front cross rail 2, the back longitudinal floor beam 4, guaranteed vehicle body intensity herein, for can convenient welding, on longeron connecting panel 5, increase some auxiliary holes to guarantee the exploitativeness of welding herein.
The vehicle body additional strengthening of a kind of forward and backward floor lap-joint of present embodiment has improved the torsional stiffness and the bending stiffness of vehicle body greatly, has guaranteed that power suffered on the preceding longitudinal floor beam 1 can better transmit, and has strengthened passenger's personal safety greatly.

Claims (6)

1, the vehicle body additional strengthening of a kind of forward and backward floor lap-joint, comprise the preceding longitudinal floor beam (1) of vehicle body fore-and-aft direction extension and the back floor front cross rail (2) that back longitudinal floor beam (4), vehicle body left and right directions extend, described back longitudinal floor beam (4) and back floor front cross rail (2) are welded on the floor assembly of back, on the floor assembly, it is characterized in that before longitudinal floor beam (1) is welded on before described: also comprise the longeron connecting panel (5) that connects described preceding longitudinal floor beam (1) and back longitudinal floor beam (4).
2, the vehicle body additional strengthening of a kind of forward and backward floor according to claim 1 lap-joint, it is characterized in that: described longeron connecting panel (5) is a channel steel shape structure.
3, the vehicle body additional strengthening of a kind of forward and backward floor according to claim 2 lap-joint is characterized in that: also be provided with reinforced rib in the groove of described longeron connecting panel (5).
4, the vehicle body additional strengthening of a kind of forward and backward floor according to claim 3 lap-joint, it is characterized in that: described longeron connecting panel (5) one ends and described back floor front cross rail (2) and described back longitudinal floor beam (4) are welded on the floor assembly of back jointly, preceding longitudinal floor beam (1) welding on the other end and the described preceding floor assembly.
5, the vehicle body additional strengthening of a kind of forward and backward floor according to claim 4 lap-joint, it is characterized in that: longitudinal floor beam (1) forms enclosed cavity with the side welding of described longeron connecting panel (5) before described.
6, according to the vehicle body additional strengthening of described any one the forward and backward floor lap-joint of claim 1 to 5, it is characterized in that: also comprise a threshold assembly (3), parallel with described preceding longitudinal floor beam (1) with back longitudinal floor beam (4), with described back floor front cross rail (2) welding.
CN200820235251U 2008-12-19 2008-12-19 Vehicle body reinforcing structure at bridging position of front floor and rear floor Expired - Fee Related CN201390293Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200820235251U CN201390293Y (en) 2008-12-19 2008-12-19 Vehicle body reinforcing structure at bridging position of front floor and rear floor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200820235251U CN201390293Y (en) 2008-12-19 2008-12-19 Vehicle body reinforcing structure at bridging position of front floor and rear floor

Publications (1)

Publication Number Publication Date
CN201390293Y true CN201390293Y (en) 2010-01-27

Family

ID=41597115

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200820235251U Expired - Fee Related CN201390293Y (en) 2008-12-19 2008-12-19 Vehicle body reinforcing structure at bridging position of front floor and rear floor

Country Status (1)

Country Link
CN (1) CN201390293Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103112504A (en) * 2013-02-18 2013-05-22 安徽江淮汽车股份有限公司 Rear floor assembly of passenger car
CN104002873A (en) * 2014-04-28 2014-08-27 长城汽车股份有限公司 Vehicle and rear floor assembly thereof
CN104002875A (en) * 2014-05-28 2014-08-27 长城汽车股份有限公司 Vehicle and floor framework structure thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103112504A (en) * 2013-02-18 2013-05-22 安徽江淮汽车股份有限公司 Rear floor assembly of passenger car
CN104002873A (en) * 2014-04-28 2014-08-27 长城汽车股份有限公司 Vehicle and rear floor assembly thereof
CN104002875A (en) * 2014-05-28 2014-08-27 长城汽车股份有限公司 Vehicle and floor framework structure thereof
CN104002875B (en) * 2014-05-28 2016-08-24 长城汽车股份有限公司 Vehicle and floor skeleton structure thereof

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100127

Termination date: 20131219