CN102530101B - Automobile rear floor strength beam reinforcement assembly - Google Patents
Automobile rear floor strength beam reinforcement assembly Download PDFInfo
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- CN102530101B CN102530101B CN201210043576.7A CN201210043576A CN102530101B CN 102530101 B CN102530101 B CN 102530101B CN 201210043576 A CN201210043576 A CN 201210043576A CN 102530101 B CN102530101 B CN 102530101B
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- flange
- reinforcement
- strength beam
- trailing arm
- nut sleeve
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Abstract
The invention discloses a kind of automobile rear floor strength beam reinforcement assembly, comprise strength beam reinforcement, rear trailing arm nut sleeve mounting bracket and rear trailing arm nut sleeve mounting bracket reinforcement, strength beam reinforcement is provided with the first flange, the second flange, key shaped location via hole, U-shaped welding heavy stand, circular weld boss harmonizing yinyang shape circular hole, the first side, flange place has circular arc depression; Rear trailing arm nut sleeve mounting bracket offers internal thread hole, is provided with the 3rd flange, the 4th flange, and the 4th flange caves in circular arc and welds; Rear trailing arm nut sleeve mounting bracket reinforcement is provided with the 5th flange, " mouth " font welding heavy stand, its side and circular arc cave in and match, this side is welded in circular arc depression, and the 5th flange point is welded on the second flange, and " mouth " font welding heavy stand point is welded on strength beam reinforcement.Rigidity, the intensity of this reinforcement assembly are good, and trailing arm after installing.
Description
Technical field
The present invention relates to automobile body part, be specifically related to a kind of automobile rear floor strength beam reinforcement assembly.
Background technology
Power suffered by automobile rear floor strength beam is carried larger, and in order to make automobile in the process of moving can steady safety, general automobile all contains reinforcement at this position, to strengthen the ability of bearing load of back-floor reinforcement beam.
Existing automobile rear floor strength beam reinforcement assembly, as shown in Figure 7, on the high side and the complex structure of the architectural feature of its strength beam reinforcement 1, strength beam reinforcement 1 offers three negative and positive shape circular holes 14, and be provided with the welding heavy stand of some irregular alignments, through punching press find negative and positive shapes circular hole 14 shaping after shop characteristic and mechanical property unsatisfactory, have impact on the locating effect of strength beam reinforcement 1, find through cae analysis (namely using the structural mechanical property of Computer Aided Solution Analysis of Complex engineering and product), the irregular alignment structure of welding heavy stand makes the ability of the stressed of strength beam reinforcement 1 and transmitting force poor, simultaneously, existing strength beam reinforcement 1 does not have the installation question of consideration and rear trailing arm, automobile rear trailing arm directly uses bolt to be connected on automobile rear floor strength beam, the nut mounting hole that back-floor reinforcement beam is arranged makes back-floor reinforcement beam rigidity be affected, and layout structure is more crowded, be unfavorable for the layout of miscellaneous part, limit the raising of Integral automobile quality.
Summary of the invention
The object of this invention is to provide a kind of automobile rear floor strength beam reinforcement assembly, to strengthen its Rigidity and strength, and rear trailing arm can be installed.
Automobile rear floor strength beam reinforcement assembly of the present invention, comprises strength beam reinforcement, the rear trailing arm nut sleeve mounting bracket welded with strength beam reinforcement and rear trailing arm nut sleeve mounting bracket reinforcement.
The side of described strength beam reinforcement is provided with the first flange upwards bent, opposite side is provided with the second flange upwards bent, one end of strength beam reinforcement offers key shaped location via hole, the other end is provided with U-shaped welding heavy stand, strength beam reinforcement near U-shaped welding heavy stand is provided with circular weld boss, and offer negative and positive shape circular hole, the first side, flange place of strength beam reinforcement between key shaped location via hole and circular weld boss have to the second side, flange place to circular arc cave in; Key shaped location via hole can not only be used for welding location, also may be used for location when general assembly simultaneously, belong to high-mobility, multipurpose, wheeled vehicle hole, locate when negative and positive shape circular hole is for welding, U-shaped welding heavy stand and circular weld boss are used for and back-floor reinforcement beam welding, and circular arc depression is used for coordinating with rear trailing arm nut sleeve mounting bracket and rear trailing arm nut sleeve mounting bracket reinforcement.
The internal thread hole corresponding with nut sleeve is offered in the middle part of described rear trailing arm nut sleeve mounting bracket, its side is provided with the 3rd flange upwards bent, what be provided with bending downwards in the middle part of opposite side to cave in the 4th flange matched with described circular arc, and the upper surface of the 4th flange welds with the lower surface of the circular arc depressed area of described first flange; Nut sleeve is welded on internal thread hole place, the axle center of nut sleeve is identical with the axle center of internal thread hole, rear trailing arm is arranged on rear trailing arm nut sleeve mounting bracket by nut sleeve, rear trailing arm nut sleeve mounting bracket is welded on strength beam reinforcement, strength beam reinforcement welds with back-floor reinforcement beam, thus is arranged on back-floor reinforcement beam by rear trailing arm.
The side of described rear trailing arm nut sleeve mounting bracket reinforcement is provided with the 5th flange upwards bent, opposite side is the circular arc matched that caves in described circular arc, the two ends of rear trailing arm nut sleeve mounting bracket reinforcement are respectively arranged with " mouth " font welding heavy stand, it is positioned at strength beam reinforcement, by described 5th flange and described second flanging welded, to be caved in described circular arc by the opposite side of rear trailing arm nut sleeve mounting bracket reinforcement and weld, welded with strength beam reinforcement by " mouth " font welding heavy stand, strengthen the Joint strenght with strength beam reinforcement.
The present invention adopts strength beam reinforcement, rear trailing arm nut sleeve mounting bracket and rear trailing arm nut sleeve mounting bracket reinforcement jointly to form reinforcement assembly, strength beam reinforcement is completed by key shaped location via hole harmonizing yinyang shape circular hole and locates with welding of other parts, decrease the rigidity of structure because opening too much causes and loss of strength, U-shaped welding heavy stand improves the rigidity of strength beam reinforcement, under the circular arc of its side is recessed in the prerequisite of the Rigidity and strength not reducing strength beam reinforcement, greatly save installing space; Rear trailing arm nut sleeve mounting bracket adopts and circular arc caves in, and the flange matched welds with strength beam reinforcement, and mode with bolts is connected with rear trailing arm, adds car body flexibility, improves stability during running car; Rear trailing arm nut sleeve mounting bracket reinforcement welds with strength beam reinforcement, improves the Rigidity and strength of strength beam reinforcement; Although this space shared by strength beam reinforcement assembly is substantially identical with the space shared by existing strength beam reinforcement assembly, its Rigidity and strength is strengthened, and too increases the function of trailing arm after installing simultaneously.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is the axonometric drawing of automobile rear floor strength beam reinforcement assembly of the present invention.
Fig. 2 is the exploded perspective view of Fig. 1.
Fig. 3 is the cutaway view along D-D line in Fig. 1.
Fig. 4 is the axonometric drawing of strength beam reinforcement in the present invention.
Fig. 5 is the axonometric drawing of rear trailing arm nut sleeve mounting bracket in the present invention.
Fig. 6 is the axonometric drawing of rear trailing arm nut sleeve mounting bracket reinforcement in the present invention.
Fig. 7 is the axonometric drawing of existing strength beam reinforcement assembly.
Detailed description of the invention
Automobile rear floor strength beam reinforcement assembly as shown in Figures 1 to 6, comprises strength beam reinforcement 1, the rear trailing arm nut sleeve mounting bracket 2 welded with strength beam reinforcement 1 and rear trailing arm nut sleeve mounting bracket reinforcement 3.
The side of strength beam reinforcement 1 is provided with the first flange 16 upwards bent, opposite side is provided with the second flange 17 upwards bent, one end of strength beam reinforcement 1 offers a key shaped location via hole 11, the other end is provided with a U-shaped welding heavy stand 15, strength beam reinforcement 1 near U-shaped welding heavy stand 15 is provided with six circular weld boss 13, and offer a negative and positive shape circular hole 14, the first side, flange 16 place of strength beam reinforcement between key shaped location via hole 11 and circular weld boss 13 have to the second side, flange 17 place to circular arc cave in 12, location when key shaped location via hole 11 harmonizing yinyang shape circular hole 14 is for welding, U-shaped welding heavy stand 15 and circular weld boss 13 are for welding with back-floor reinforcement beam, and circular arc depression 12 is for coordinating with rear trailing arm nut sleeve mounting bracket 2 and rear trailing arm nut sleeve mounting bracket reinforcement 3.
The internal thread hole 22 corresponding with nut sleeve is offered in the middle part of rear trailing arm nut sleeve mounting bracket 2, its side is provided with the 3rd flange 24 upwards bent, what be provided with bending downwards in the middle part of opposite side fits with circular arc the cave in lower surface at 12 positions of upper surface and the circular arc of the first flange 16 of 12 the 4th flange the 25, four flange 25 matched that caves in and uses carbon-dioxide arc welding to weld; Nut sleeve 21 uses carbon-dioxide arc welding to be welded on internal thread hole 22 place; the axle center of nut sleeve 21 is identical with the axle center of internal thread hole 22; rear trailing arm is arranged on rear trailing arm nut sleeve mounting bracket 2 by nut sleeve 21; rear trailing arm nut sleeve mounting bracket 2 is welded on strength beam reinforcement 1; strength beam reinforcement 1 welds with back-floor reinforcement beam, thus is arranged on back-floor reinforcement beam by rear trailing arm.
The side of rear trailing arm nut sleeve mounting bracket reinforcement 3 is provided with the 5th flange 33 upwards bent, opposite side 31 is 12 circular arcs matched that cave in circular arc, the two ends of rear trailing arm nut sleeve mounting bracket reinforcement 3 are respectively arranged with " mouth " font welding heavy stand 32, it is positioned at strength beam reinforcement 1, welded with the second flange 17 by the 5th flange 33, caved in by the opposite side 31 of rear trailing arm nut sleeve mounting bracket reinforcement 3 and circular arc and 12 to weld, welded with strength beam reinforcement 1 by " mouth " font welding heavy stand 32, strengthen the Joint strenght with strength beam reinforcement 1.
The sequence of welding of reinforcement assembly of the present invention is as follows:
See Fig. 1, Fig. 4, first nut sleeve 21 is welded on rear trailing arm nut sleeve mounting bracket 2; Then after floor strength beam reinforcement 1 in key shaped location via hole 11 harmonizing yinyang shape circular hole 14 be welding knock hole location strength beam reinforcement 1, rear trailing arm nut sleeve mounting bracket reinforcement 3 is embedded in strength beam reinforcement 1, the opposite side 31 of rear trailing arm nut sleeve mounting bracket reinforcement 3 is overlapped on circular arc depression 12 on and carry out spot welding at faying surface, 5th flange 33 to be overlapped on the second flange 17 and to carry out spot welding at faying surface, by " mouth " font welding heavy stand 32 and strength beam reinforcement 1 spot welding; Finally rear trailing arm nut sleeve mounting bracket 2 and strength beam reinforcement 1 are located by fixture, the lower surface at 12 positions of the circular arc of the upper surface of the 4th flange 25 and the first flange 16 being caved in is fitted, and carries out carbon-dioxide arc welding at binding face.
Claims (1)
1. an automobile rear floor strength beam reinforcement assembly, is characterized in that: comprise strength beam reinforcement (1), the rear trailing arm nut sleeve mounting bracket (2) of welding with strength beam reinforcement and rear trailing arm nut sleeve mounting bracket reinforcement (3);
The side of described strength beam reinforcement (1) is provided with the first flange (16) upwards bent, opposite side is provided with the second flange (17) upwards bent, one end of strength beam reinforcement offers key shaped location via hole (11), the other end is provided with U-shaped welding heavy stand (15), strength beam reinforcement near U-shaped welding heavy stand is provided with circular weld boss (13), and offer negative and positive shape circular hole (14), the first flange (16) side, place of strength beam reinforcement be positioned between key shaped location via hole (11) and circular weld boss (13) have to the second flange (17) side, place to circular arc cave in (12),
Described rear trailing arm nut sleeve mounting bracket (2) middle part offers the internal thread hole (22) corresponding with nut sleeve, its side is provided with the 3rd flange (24) upwards bent, what be provided with bending downwards in the middle part of opposite side to cave in the 4th flange (25) that (12) match with described circular arc, and the cave in lower surface at (12) position of upper surface and the circular arc of described first flange (16) of the 4th flange welds;
The side of described rear trailing arm nut sleeve mounting bracket reinforcement (3) is provided with the 5th flange (33) upwards bent, opposite side (31) to cave in the circular arc that (12) match in described circular arc, the two ends of rear trailing arm nut sleeve mounting bracket reinforcement are respectively arranged with " mouth " font welding heavy stand (32), it is positioned at strength beam reinforcement (1), welded with described second flange (17) by described 5th flange (33), by the opposite side (31) of rear trailing arm nut sleeve mounting bracket reinforcement (3) to cave in described circular arc (12) weld, welded with strength beam reinforcement (1) by " mouth " font welding heavy stand (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210043576.7A CN102530101B (en) | 2012-02-24 | 2012-02-24 | Automobile rear floor strength beam reinforcement assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210043576.7A CN102530101B (en) | 2012-02-24 | 2012-02-24 | Automobile rear floor strength beam reinforcement assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102530101A CN102530101A (en) | 2012-07-04 |
| CN102530101B true CN102530101B (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210043576.7A Active CN102530101B (en) | 2012-02-24 | 2012-02-24 | Automobile rear floor strength beam reinforcement assembly |
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| Country | Link |
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| CN (1) | CN102530101B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103895716B (en) * | 2012-12-27 | 2016-04-27 | 重庆长安汽车股份有限公司 | A kind of automobile rear floor reinforced support |
| CN106428235B (en) * | 2016-11-25 | 2023-12-19 | 上汽通用五菱汽车股份有限公司 | Automobile rear floor beam reinforcing structure |
| CN115535089B (en) * | 2022-09-14 | 2024-05-17 | 阿维塔科技(重庆)有限公司 | Rear floor boundary beam structure and vehicle |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101138990A (en) * | 2007-10-18 | 2008-03-12 | 重庆长安汽车股份有限公司 | Closed type back-floor reinforcement beam holder of car |
| CN201132551Y (en) * | 2007-10-12 | 2008-10-15 | 重庆长安汽车股份有限公司 | Enclosed reinforcement beam mounting for rear floor of sedan car |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006069279A (en) * | 2004-08-31 | 2006-03-16 | Mazda Motor Corp | Rear structure for vehicle body |
| EP2433852A1 (en) * | 2009-05-22 | 2012-03-28 | Toyota Jidosha Kabushiki Kaisha | Vehicle body structure |
-
2012
- 2012-02-24 CN CN201210043576.7A patent/CN102530101B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201132551Y (en) * | 2007-10-12 | 2008-10-15 | 重庆长安汽车股份有限公司 | Enclosed reinforcement beam mounting for rear floor of sedan car |
| CN101138990A (en) * | 2007-10-18 | 2008-03-12 | 重庆长安汽车股份有限公司 | Closed type back-floor reinforcement beam holder of car |
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| Publication number | Publication date |
|---|---|
| CN102530101A (en) | 2012-07-04 |
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