WO2003074346A1 - Structure de connexion reliant un element lateral a un element transversal - Google Patents
Structure de connexion reliant un element lateral a un element transversal Download PDFInfo
- Publication number
- WO2003074346A1 WO2003074346A1 PCT/JP2003/002473 JP0302473W WO03074346A1 WO 2003074346 A1 WO2003074346 A1 WO 2003074346A1 JP 0302473 W JP0302473 W JP 0302473W WO 03074346 A1 WO03074346 A1 WO 03074346A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wall
- gusset
- vertical
- fixed
- side member
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
Definitions
- the present invention relates to a connection structure between a side member and a cross member constituting a chassis frame of a vehicle body.
- the side member 101 has a substantially U-shaped shape having a vertical wall 1 and upper and lower horizontal walls 103, 104. With a cross section.
- the upper and lower horizontal walls 103 and 104 are respectively bent from the upper and lower ends of the vertical wall 102 and extend inward in the vehicle width direction.
- the cross-body 105 has a substantially U-shaped cross-section including a side wall 106, an upper wall 107, and a lower wall 108.
- the upper wall 107 and the lower wall 108 are bent from the upper and lower ends of the side wall 106 and extend in one of the front and rear directions of the vehicle body.
- the gusset 109 has a vertical plate 110 and upper and lower horizontal plates 11 1 and 11 2.
- the vertical plate 110 is fixed to the vertical wall 102 of the side wall 101.
- the upper and lower horizontal plates 1 1 1 and 1 1 2 are the vertical plates 1 1 1
- the upper and lower horizontal plates 1 1 1 and 1 1 2 are respectively bent from the upper and lower ends of 0, and extend inward in the vehicle width direction. It is fixed to 0 8 respectively.
- the upper and lower lateral walls 103 and 104 of the side member 101 and the upper and lower walls 107 and 108 of the cross member 105 depend on rivets and the like. Are not directly connected, but are connected via a gusset 109. For this reason, there are no rivets protruding from the upper and lower surfaces of the upper and lower lateral walls 103, 104 of the side member 101, and the lateral walls 103, 104 do not have any rivets.
- the upper and lower surfaces can be maintained in a flat state, and the space in the height direction of the vehicle body can be effectively used.
- the side wall of the vertical wall 102 of the side member 101 to which the gusset 109 is fixed is used to support a suspension mechanism (not shown).
- the mounting plate 1 1 4 of the leaf spring bracket 1 1 3 is fixed. In this way, fixing the leaf spring bracket 113 to the connection between the side member 101 and the cross member 105 is a suspension. This is because the load acting on the suspension mechanism is distributed to the side men's 101 and the cross men's 105 so that they can be reliably supported.
- the vertical plate 110 of the gusset 109 is connected to the side member 101. It is fixed in a state that it is in surface contact with the inner surface in the vehicle width direction of the vertical wall 101 of 02. For this reason, the gussets 109 and the leaf spring brackets 113, which are arranged opposite to each other with the side body 1101, sandwiched between the vertical walls 10 Fixing to 2 is structurally difficult.
- the gusset 1 After fixing the leaf spring bracket 113 to the vertical wall 102 of the side member 101 by rivets, the gusset 1 If you try to fix 09 to the vertical wall 102, the leaf spring bracket 1 The part of the rivet for fixing 13 that projects from the inner surface of the vertical wall 10 2 in the vehicle width direction interferes with the vertical plate 110 of the gusset 109. The surface contact state between 110 and the vertical wall 102 of the side wall 101 cannot be obtained. From the viewpoint of the force, the mounting plate portion 114 of the leaf spring bracket 113 is used to fix the vertical plate 110 of the gusset 109.
- the fixing force S is fixed to the vertical wall 102 of the side member 101 by the cutout 115, and the force S is, as described above, the vertical plate 1 of the gusset 109. 10 and the mounting plate 1 1 4 of the leaf spring bracket 1 13 are co-tightened with a common rivet 1 15 so that the side plate 1 1 1 In the structure that is fixed to the vertical wall 102, it is necessary to position and assemble these three members at the same time, so that the assembling work is complicated.
- the gusset 1 16 is connected to the upper gusset 1 17 and the lower gusset 1 18. Some are more structured.
- the upper gusset 1 17 has an upper vertical plate 1 19 and an upper horizontal plate 1 20.
- the upper vertical plate 1 19 is fixed to the vertical wall 102 of the side member 101.
- the upper horizontal plate 120 is bent from the upper end of the upper vertical plate 119, extends inward in the vehicle width direction, and is fixed to the upper wall 107 of the cross-member 105.
- the lower gusset 118 has a lower vertical plate 121 and a lower horizontal plate 122.
- the lower vertical plate 12 1 is fixed to the vertical wall 102 of the side member 101.
- the lower horizontal plate 1 2 2 is bent from the lower end of the lower vertical plate 1 2 1, extends inward in the vehicle width direction, and is fixed to the lower wall 108 of the cross-section 105. .
- the upper horizontal plate 120 and the lower horizontal plate 121 of the gusset 1 16 are respectively It is fixed to the vertical wall 102 of the side panel 101 by means of the special ribs 123, 124.
- the mounting horizontal plate 1 14 of the leaf spring plastic bracket 1 13 is connected to a special jig arranged between the upper horizontal plate 120 and the lower horizontal plate 121. It is fixed to the side wall 102 of the side and the main knuckle by the unit 125.
- the upper gusset 117 and the lower gusset 118 are fixed to the cross member 105 in advance, and the jig is fixed to the side member 101 in advance. Fix the spring bracket 1 13 with the rivet 125. After that, the upper gusset 117 and the lower gusset 118 are fixed to the side member 101 by the rivets 123 and 124, respectively. That is, the cross member 105, the upper gusset 117, and the lower gusset 118 are assembled as one unit, and the side member 101 and the leaf member are assembled. After assembling the printing brackets 11 and 13 as one unit, it is possible to combine the io units with each other with the force S. Therefore, FIG. Assembly workability is improved compared to ⁇ ', where three parts are assembled at the same time as shown in Fig.5
- the gusset 116 is divided into an upper gusset 117 and a lower gusset 118 as shown in Figs.
- the rigidity is inevitably reduced. Therefore, the rigidity at the connection between the side member 101 and the cross member 105, especially the torsional rigidity in the rotational direction around the cross member 105.
- additional capturing members may be required, increasing the number of parts and increasing the weight and complexity of the structure. Etc. may be caused.
- the present invention has been made in view of the above-mentioned circumstances, and does not complicate the structure or increase the weight, can obtain sufficient rigidity, and can easily assemble. It is an object of the present invention to provide a connection structure between a good side member and a cross member. Disclosure of the invention
- the connecting structure according to the present invention includes a side surface, a cross-body, and a gusset.
- the side members have vertical walls and are arranged along the longitudinal direction of the vehicle. Parts such as a leaf spring bracket are fixed to the outer surface of the side wall of the side member in the vehicle width direction by a mounting member penetrating the vertical wall.
- the cross-meno is arranged in the vehicle width direction, and has a side wall and an upper wall and a lower wall extending from upper and lower ends of the side wall, respectively.
- the gussets are fixed to the vertical wall of the side member and the upper and lower walls of the cross member extending inward in the vehicle width direction from the upper and lower ends of the vertical plate.
- the gusset connects the end of the cross member in the vehicle width direction with the side member.
- the vertical plate of the gusset has a rib that bulges inward in the vehicle width direction.
- the rib defines a recess on the outer surface of the vertical plate in the vehicle width direction.
- a portion of the mounting member that protrudes from the inner surface in the vehicle width direction of the vertical wall of the side member is accommodated in a concave section defined by the rib.
- the vertical plate of the gusset is fixed in surface contact with the inner surface of the vertical wall of the side member in the vehicle width direction.
- a gas member In order to obtain the above connection structure, a gas member must be The part is fixed, and the part is fixed to the side member by the mounting member. Then, gusset S is fixed to the side member. At this time, a portion of the mounting member that protrudes from the inner surface of the vertical wall of the side member in the vehicle width direction is accommodated in a concave section defined by the lip. As a result, the vertical plate of the gusset comes into surface contact with the inner surface of the vertical wall of the side member in the vehicle width direction without interfering with the mounting member. Therefore, a strong fixed state can be obtained between the gusset and the side menno. That is, the cross member and the gusset are assembled as one unit, the side member and the parts are assembled as one unit, and then the unit is assembled. Can be combined with each other, and assembling workability is improved.
- the side members and cross members are connected by one gusset, and the vertical plate of the gusset is reinforced by ribs.
- the rigidity at the joint between the side member and the cross member, especially the torsional strength in the rotational direction around the cross member, is eliminated without the need for a separate reinforcing member. Can be increased.
- a side wall may be provided on the side member, components may be fixed to the side wall by a second mounting member, and a second rib may be provided on the gusset.
- the horizontal wall extends inward from the upper or lower end of the vertical wall in the vehicle width direction, and faces one of the upper and lower horizontal plates of the gusset.
- the second mounting member penetrates a side wall of the side member.
- the second rib is formed on one side of the gusset and bulges away from the side wall of the side member.
- the second lip partitions and forms a second concave portion on a surface facing the lateral wall.
- one horizontal plate of the gusset is reinforced by the second rib, the rigidity at the connection between the side member and the cross member, especially the It is possible to further increase the torsional rigidity in the direction of rotation about the roth member.
- the second rib of the horizontal plate may be formed continuously from the rib of the vertical plate.
- the stiffness of the gusset can be further increased since the reinforcing effect is significantly increased as compared with the case where both lips are formed independently.
- FIG. 1 is an exploded perspective view of the connection structure according to the present embodiment.
- FIG. 2 is a plan view showing the state after assembly in FIG.
- FIG. 3 is an enlarged view of a main part of the side panel of FIG. 2 with a part of the upper horizontal plate cut away.
- FIG. 4 is a cross-sectional view taken along line IV-IV of FIG.
- FIG. 5A is a cross-sectional view of a main part showing a conventional connection structure.
- FIG. 5B is a side view of FIG. 5A.
- FIG. 6A is a sectional view of a main part showing another conventional connection structure.
- FIG. 6B is a side view of FIG. 6A.
- FIG. 1 is an exploded perspective view of the connecting structure according to the present embodiment
- FIG. 2 is a plan view showing a state after the assembly of FIG. 1
- FIG. Fig. 4 is a cross-sectional view taken along line IV-IV in Fig. 3.
- the front-rear direction is the front-rear direction of the vehicle body
- the left-right direction is the left-right direction in a state in which the vehicle faces forward.
- a pair of left and right side frames 1 as a chassis frame and a cross frame are provided on the lower part of the body of the vehicle with a chassis frame. It is equipped with power 5 and force S.
- the side member 1 extends in the vehicle longitudinal direction on both left and right sides in the vehicle width direction.
- the cross member 5 extends along the vehicle width direction.
- Each side member 1 has a substantially U-shaped cross section provided with a vertical wall 2 and two horizontal walls (an upper horizontal wall 3 and a lower horizontal wall 4). The upper and lower horizontal walls 3 and 4 are bent from the upper and lower ends of the vertical wall 2 and extend inward in the vehicle width direction.
- Each side 1 is arranged to open inward in the vehicle width direction.
- the cross member 5 has a substantially U-shaped cross section including a side wall 6, an upper wall 7, and a lower wall 8.
- the upper wall 7 and the lower wall 8 are each bent from the upper and lower ends of the side wall 6 and extend to one side in the vehicle longitudinal direction.
- the cross member 5 is arranged so as to open to one side in the vehicle longitudinal direction between the two side members 1.
- the left and right ends of the cross member 5 are respectively connected to the sides 1 through gussets 9.
- Each gusset 9 has a vertical plate 10 and upper and lower horizontal plates (upper horizontal plate 11 and lower horizontal plate 12).
- the vertical plate 10 is fixed to the vertical wall 2 of the side member 1.
- the upper and lower horizontal plates 11 and 12 are bent from the upper and lower ends of the vertical plate 10 and extend inward in the vehicle width direction, and are fixed to the upper wall 7 and the lower wall 8 of the cross member 5 respectively. Is done.
- the upper horizontal plate 11 and the lower horizontal plate 12 of the gusset 9 are mounted in contact with the upper surface of the upper wall 7 and the lower surface of the lower wall 8 of the cross member 5, respectively. It is fixed by sockets 30 and 31.
- the leaf spring bracket 13 for supporting the suspension mechanism is composed of an upper mounting plate 14 and a lower mounting plate. And a plate portion 15.
- the upper mounting plate part 14 is fixed to the vehicle width direction outer surface of the vertical wall 2 of the side body 1 by a rivet 16 as a mounting member.
- the rivet 16 penetrates the vertical wall 2.
- the lower mounting plate portion 15 is fixed to the lower surface of the lower horizontal wall 4 of the side panel 1 by a rivet 17 as a second mounting member.
- the rivet 17 penetrates the lower lateral wall 4.
- the vertical plate 10 of the gusset 9 and the upper mounting plate portion 14 of the leaf spring bracket 13 face each other across the vertical wall 2 of the side member 1.
- the lower horizontal plate 12 of the gusset 9 and the lower mounting plate 15 of the leaf spring bracket 13 face each other with the lower horizontal wall 4 of the side panel 1 interposed therebetween.
- the leaf spring The reason why the bracket 13 is fixed to the connection portion between the side member 1 and the cross member 5 is that the load acting on the suspension mechanism is not applied to the side member 1. And the cross member 5 so as to reliably support the suspension mechanism.
- each rib 18 defines a groove-shaped recess 19 on the outer surface in the vehicle width direction of a vertical plate 10 facing the vertical wall 2 of the side member 1.
- the upper and lower ends of each rib 18 reach the upper and lower ends of the vertical plate 10.
- Two upper ribs 20 are formed in the upper horizontal plate 11 of the gusset 9.
- Each upper rib 20 bulges downward, and extends substantially linearly inward in the vehicle width direction continuously from the upper end of each rib 18.
- two lower ribs 21 as second ribs are formed on the lower horizontal plate 12 of the gusset 9.
- Each lower rib 21 protrudes upward, and extends substantially linearly inward in the vehicle width direction continuously from the lower end of each rib 18.
- Each upper rib 20 defines a groove-shaped upper recess 22 on the upper surface of the upper horizontal plate 11 facing the upper horizontal wall 3 of the side member 1.
- Each lower rib 21 defines a groove-shaped lower recess 23 as a second recess on the lower surface of the lower horizontal plate 12 facing the lower horizontal wall 4 of the side member 1.
- each rib 18 is for the car on the vertical wall 2 of the side member 1 of the rivet 16 that fixes the side of the leaf spring bracket 13.
- the position and size (width and depth) are set so as to securely accommodate the portion 16a protruding from the inner surface in the width direction.
- the vertical plate 10 of the gusset 9 does not interfere with the rivets 16 and the inner surface of the vertical wall 2 of the side member 1 in the vehicle width direction. It is fixed in surface contact with Also, as shown in FIG. 3, the vertical wall 2 of the side panel 1 and the vertical plate 10 of the gusset 9 are fixed to the leaf spring bracket 13. It is performed by rivets 24 arranged on both sides in the vehicle longitudinal direction.
- the lower recess 23 of each lower rib 21 has a relief spring bracket with the gusset 9 fixed to the side panel 1. 13 A part of the rivet 17 that fixes the lower part of the part 17, a part of the lower lateral wall 4 of the side member 1 that protrudes upward toward the lower lateral plate 12 of the gusset 9, 17 a It is set to a position and a size (width and depth) that reliably avoids interference with the lower cross plate 12.
- the cross member 5 and the gusset 9 are assembled as one unit, and the side member 1 and the leaf spring bracket 13 are combined into one unit. After assembling as a unit, they can be combined and fixed together. Therefore, in the assembling work, it is not necessary to simultaneously combine and fix three or more independent members, and the assembling workability is improved.
- the sides 1 and 5 are connected to each other by one gusset 9 at both ends in the vehicle width direction, and the vertical plate 10 of the gusset 9 is Reinforced by ribs 18. For this reason, there is no need for a separate reinforcing member, and the rigidity at the connection between the side member 1 and the cross member 5, especially the cross member 5 It is possible to increase the torsional rigidity in the rotation direction. Therefore, for example, even when an external force such as twisting of the chassis is applied while the vehicle is running, deformation of the connecting portion between the side member 1 and the cross member 5 is possible. And damage can be reliably prevented.
- the interference between the portion 17 a protruding from the upper surface of the lower lateral wall 4 of the side member 4 of the side member 1 and the lower lateral plate 12 depends on the lower rib 21. This is avoided by the lower recessed section 23 partitioned.
- the leaf spring bracket 13 is fixed to both the vertical wall 2 and the lower horizontal wall 4 of the side member 1 by the rivets 16 and 17. . Therefore, the leaf spring bracket 13 is further supported by the side brackets 1.
- the upper and lower horizontal plates 11 and 12 of the gusset 9 are captured by the upper and lower ribs 20 and 21, respectively, The rigidity at the connection between the side member 1 and the cross member 5, particularly the torsional rigidity in the rotation direction around the cross member 5, is further increased.
- the upper rib 20 and the lower rib 21 extend continuously from the upper and lower ends of the rib 18.
- the reinforcing effect is significantly increased as compared with the case where the ribs 18, 20, 21 are formed independently, and the rigidity of the entire gusset 9 is increased. Improve further.
- connection structure between the side member 1 and the cross member 5 according to the present embodiment the structure is complicated and the weight is increased due to the reinforcement. In addition, it is possible to simultaneously secure sufficient rigidity and improve the workability of assembling.
- the rib 18 of the vertical plate 10 of the gusset 9 is formed in a substantially straight line along the vertical direction, but the present invention is not limited to this.
- the direction may be set to the front-rear direction or the diagonal direction of the vehicle body.
- the ribs of the vertical plate 10 of the gusset 9 should be replaced with the upper rib of the upper horizontal plate 11 and the lower rib of the lower horizontal plate 12
- the vertical direction of the ribs of the vertical plate 10 is preferably as in this embodiment.
- the rivets 16 and 17 are both used as the mounting member and the second mounting member.
- the present invention is not limited to these.
- Bolts and nuts may be used.
- the single spring bracket 13 may be fixed to the upper side wall 3 of the side member 1.
- the mounting member for example, a rivet
- the upper recessed part 22 defined by the upper rib 20 interferes with the portion of the side member 1 projecting downward from the lower surface of the upper horizontal wall 3 and the upper horizontal plate 11 of the gusset 9. It may be configured to avoid this.
- the relief spring bracket 13 has been described as a part to be fixed to the side member 1, but other parts are fixed. Even in such a case, the present invention can be applied.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Supports For Pipes And Cables (AREA)
- Clamps And Clips (AREA)
- Joining Of Building Structures In Genera (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/506,546 US7261322B2 (en) | 2002-03-05 | 2003-03-04 | Coupling structure of side member to cross member |
DE60311774T DE60311774T2 (de) | 2002-03-05 | 2003-03-04 | Verbindungskonstruktion für längsträger an querträger |
EP03743581A EP1481877B1 (en) | 2002-03-05 | 2003-03-04 | Connection structure of side member to cross member |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-58855 | 2002-03-05 | ||
JP2002058855A JP4016376B2 (ja) | 2002-03-05 | 2002-03-05 | サイドメンバとクロスメンバとの連結構造 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003074346A1 true WO2003074346A1 (fr) | 2003-09-12 |
Family
ID=27784721
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/002473 WO2003074346A1 (fr) | 2002-03-05 | 2003-03-04 | Structure de connexion reliant un element lateral a un element transversal |
Country Status (7)
Country | Link |
---|---|
US (1) | US7261322B2 (ja) |
EP (1) | EP1481877B1 (ja) |
JP (1) | JP4016376B2 (ja) |
CN (1) | CN100364835C (ja) |
AT (1) | ATE353807T1 (ja) |
DE (1) | DE60311774T2 (ja) |
WO (1) | WO2003074346A1 (ja) |
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- 2003-03-04 CN CNB038049422A patent/CN100364835C/zh not_active Expired - Fee Related
- 2003-03-04 WO PCT/JP2003/002473 patent/WO2003074346A1/ja active Search and Examination
- 2003-03-04 DE DE60311774T patent/DE60311774T2/de not_active Expired - Lifetime
- 2003-03-04 US US10/506,546 patent/US7261322B2/en not_active Expired - Fee Related
- 2003-03-04 AT AT03743581T patent/ATE353807T1/de not_active IP Right Cessation
- 2003-03-04 EP EP03743581A patent/EP1481877B1/en not_active Expired - Lifetime
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108297938A (zh) * | 2018-01-17 | 2018-07-20 | 北京福田戴姆勒汽车有限公司 | 车辆的纵梁组件、前板簧支架以及货车 |
Also Published As
Publication number | Publication date |
---|---|
DE60311774D1 (de) | 2007-03-29 |
EP1481877A4 (en) | 2005-11-16 |
DE60311774T2 (de) | 2007-10-31 |
US20050116459A1 (en) | 2005-06-02 |
ATE353807T1 (de) | 2007-03-15 |
EP1481877A1 (en) | 2004-12-01 |
CN1638997A (zh) | 2005-07-13 |
US7261322B2 (en) | 2007-08-28 |
JP2003252235A (ja) | 2003-09-10 |
JP4016376B2 (ja) | 2007-12-05 |
EP1481877B1 (en) | 2007-02-14 |
CN100364835C (zh) | 2008-01-30 |
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