CN100408410C - Mounting part arrangement of traction pothook - Google Patents
Mounting part arrangement of traction pothook Download PDFInfo
- Publication number
- CN100408410C CN100408410C CNB2004100880506A CN200410088050A CN100408410C CN 100408410 C CN100408410 C CN 100408410C CN B2004100880506 A CNB2004100880506 A CN B2004100880506A CN 200410088050 A CN200410088050 A CN 200410088050A CN 100408410 C CN100408410 C CN 100408410C
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- outside
- secure component
- beam parts
- frame
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Abstract
The purpose of this invention is to provide a towing hook mounting part structure so as to prevent impact load from directly transmitting from a beam member to a frame member. In the towing hook mounting part structure, a joint member 11 having a hollow closed sectional shape is mounted to a side frame 13 provided along the towing direction through bolts 19 passing through the joint member 11, and the towing hook 4 is mounted to the joint member 11 through the bolts 19. The axis line of the bolts is different from the axis line of the towing hook.
Description
Technical field
The present invention relates to the installation structure of vehicle with the traction hook.
Background technology
In vehicles such as self-propelled vehicle, what have is equipped with the traction hook at car body leading section and car body rearward end.Because the installation portion of traction hook bears drawbar load, so about this mounting portion various structure motions are arranged.For example well-known structure (for example, with reference to patent documentation 1: the Japanese Utility Model communique is real to be opened flat 4-39911 number) be, have the bolt of the beam parts of hollow sectional shape by perforation, will draw hook via the beam parts and be installed to along on the frame part of the set car body of lead.
Yet, in above-mentioned prior art, though can bear drawbar load with the frame part that has advantage on the strength rigid, and can lean on bolt to improve tenacity, exist the impact load that acts on the beam parts to be directly passed to this problem of frame part.
Therefore, problem to be solved by this invention provides the installation structure that a kind of impact load can not be directly passed to the traction hook of frame part from the beam parts.
Summary of the invention
In order to achieve the above object, the invention of technical scheme 1 is a kind of installation structure that draws hook, the beam parts (for example link in the embodiment 11) that will have a hollow closed cross-section shape along the set frame part of lead (for example are installed to by the secure component (for example bolt in the embodiment 19) that connects these beam parts, sidecar frame 13 in the embodiment) on, the traction hook (for example, traction hook 4 in the enforcement state) is installed on these beam parts via above-mentioned link, it is characterized in that, the axis of above-mentioned secure component (for example, axis C1 in the embodiment) with the path of the tractive force that transmits above-mentioned traction hook on axis (for example axis C2 in the embodiment) not on same line, by the mounting bracket that is arranged at the above-mentioned beam parts outside above-mentioned secure component is connected on the above-mentioned frame part.
Utilize like this when being formed in the traction hook and going up the effect drawbar load, this load via the beam parts as the body framing parts, and passes to frame part via the secure component that is in diverse location with traction hook axis from the traction hook.
The invention of technical scheme 2 is characterised in that, by the mounting bracket (for example, the center beam of bumper support 15 in the embodiment, sidecar frame support 16) that is arranged at the above-mentioned beam parts outside above-mentioned secure component is connected on above-mentioned traction hook or the above-mentioned frame part.
Utilize such formation, can secure component be connected with traction hook or frame part by mounting bracket.
The invention of technical scheme 3 is characterised in that above-mentioned mounting bracket is arranged at the outside of the frame part of hollow form.
Utilize such formation, the installation of mounting bracket can be carried out from the outside of frame part, and when impact loading is arranged, and can avoid the existence of frame part and hinders the distortion of mounting bracket.
The invention of technical scheme 4 is characterised in that, by the partition wall in the hollow section that is arranged at above-mentioned beam parts (for example partition wall in the embodiment 17) above-mentioned secure component is installed on the beam parts.
Utilize such formation, both can improve beam parts self intensity, also can improve simultaneously the installation strength of secure component.
The invention of technical scheme 7 is characterised in that, is provided with cushion cover (for example, the cushion cover in the embodiment 24) around the above-mentioned secure component.
Utilize such formation, can negative function flatten the power of direction at the beam parts.
Invention according to described in the technical scheme 1 can obtain such effect promptly, can make structure bear enough big drawbar load, and the effect of avoiding impact load directly to be transmitted.
Invention according to described in the technical scheme 2 can obtain such effect promptly, because of there not being mounting bracket, structure being become simply be easy to install.
Invention according to described in the technical scheme 3 can obtain such effect promptly, and the distortion freedom that is easy to install and can guarantee mounting bracket is arranged, and absorbs to impact.
Invention according to described in the technical scheme 4 can obtain such effect promptly, can improve the installation strength of secure component, bear tractive force more reliably.
Invention described in the technical scheme 7 can obtain such effect promptly, bears tractive force more reliably.
Description of drawings
Fig. 1 is the oblique drawing of vehicle.
Fig. 2 is the oblique drawing from the rear vehicle below that driver's seat one side is seen.
Fig. 3 is the oblique drawing of the rear vehicle that oblique side is seen from a left side.
Fig. 4 is the lateral plan of Fig. 3.
Fig. 5 is the section-drawing along the 5-5 line among Fig. 3.
Fig. 6 is the oblique drawing of partition wall and cushion cover.
The specific embodiment
Followingly embodiments of the present invention are described with reference to accompanying drawing.In the following description, " rear side " expression car rear side, the outside, " outside " expression compartment.
As shown in Figure 1, the rear aperture portion 2 that is arranged at car body 1 rear portion is provided with the back frame door 3 that can open and close, and the below of above-mentioned rear aperture portion 2 is provided with the installation portion that hereinafter is about to the traction hook 4 mentioned.
Specifically, be formed with peristome 8 on the part on the bumper/spoiler surface 7 of rear bumper 6, this peristome 8 is by lid 9 sealings.And, at this lid 9 in opened condition the time, in the sleeve nut 5 rearward outstanding, will draw and link up with 4 and be screwed into by the inside on bumper/spoiler surface 7, fixed.
Fig. 2 is the oblique drawing from the rear vehicle below that driver's seat one side is seen.In the figure, back prop 12 is connected on the rear panel 10 of the above-mentioned rear aperture of formation portion 2 lower edges via link 11.This rear panel 10, link 11, back prop 12 all are that the cross section is the parts of hollow shape, and they constitute body framing portion, with the intensity and the rigidity of the rear vehicle of the supporting rigidity of guaranteeing to comprise back frame door 3.Rearward end along the set outside vehicle frame 13 of car body fore-and-aft direction is connected on the above-mentioned link 11 from the front side.
This outside vehicle frame 13 is the parts of box section shape, and it is connected in the lower surface on floor 14, back, and is the body framing portion of hollow shape along the set formation of car body fore-and-aft direction cross section under floor 14, back.
Fig. 3 is the oblique drawing of the rear vehicle seen from the left back; Fig. 4 is the lateral plan of Fig. 3.On the rear wall of plate 10 center beam of bumper support 15 is installed in the back as shown in Figure 3, Figure 4.Above-mentioned sleeve nut 5 is installed on the upper wall 15a of center beam of bumper support 15, in this sleeve nut 5, will draws hook 4 and be screwed into and fixed.Here, above-mentioned center beam of bumper support 15 is installed in such position, that is, on above-below direction, this position with respect to outside vehicle frame 13 backward panel 10 installation portion a little on the lower side.
Below with reference to Fig. 5 the installation structure of above-mentioned traction hook 4 is specifically described.In the figure, the cross section is that the above-mentioned outside vehicle frame 13 of band edge hat-shaped is along lead, is the parts that the car body fore-and-aft direction is provided with, and as described above to engage and form the cross section with back floor 14 be the close-shaped body framing portion of hollow.The cross section be a slice 16a of outside frame brackets 16 of " L " word shape by welded joint on the two side, rear portion of outside vehicle frame 13 13a, 13a, another sheet 16b of this outside frame brackets 16 and cross section are that the antetheca 11a of link 11 of hollow shape is overlapping.
In the inside of above-mentioned link 11, be provided with in the inboard of the installation position that is positioned at above-mentioned sidecar frame 13 that to be configured to the front side open, the cross section is the partition wall 17 of band edge hat-shaped.Be formed with shoulder 18 in the both sides of this partition wall 17, this shoulder 18 is overlapped in the antetheca 11a of link 11 from the inboard, wherein, and the inboard that the antetheca 11a of above-mentioned link 11 is overlapping with above-mentioned sidecar frame support 16 again.The upper wall 17a of partition wall 17 is configured to the state of fitting with the inner face of link 11 rear wall 11b.17 17a covers outside vehicle frame 13 and plays the effect of the link 11 part deformation in compressions between the bolt 19 that prevents to be about to hereinafter mention.
The link 11 of Gou Chenging 4 positions, promptly on fore-and-aft direction like this, by 4 bolts 19 and the nut 19 ' of each shoulder 18 of another sheet 16b that connects above-mentioned two outside frame brackets 16 and partition wall 17, with above-mentioned outside frame brackets 16 with hereinafter to be about to the cushion cover 24 mentioned and outside vehicle frame 13 in addition fastening.Thus, on above-mentioned outside vehicle frame 13, above-mentioned bolt 19 is connected by the outside frame brackets 16 that is arranged at above-mentioned parts 11 outsides.
, be installed on center beam of bumper support 15 on above-mentioned rear panel 10 rear walls from the outside here, on around it, be formed with shoulder 20 for the open box shape assembly in front side, about the installation site of two bolts in top and above-mentioned top 19,19 of shoulder 20 be complementary; The substantial middle portion of the shoulder 20 about on above-below direction and below the installation site of two bolts 19,19 be complementary.And this shoulder 20 is tightened by above-mentioned bolt 19 and nut 19 ' and is fixed on the above-mentioned link 11.
Fig. 6 represents to be disposed at the installing condition of above-mentioned bolt 19 cushion cover 24 on every side.Undertaken when fastening by 19 pairs of above-mentioned links 11 of bolt, around bolt 19, be provided with cushion cover 24 in order to prevent link 11 to be crushed.Be respectively arranged with two cushion covers 24 on the two side 17b of next door plate 17, they are assigned in the outside of bolt 19,19 up and down as an assembling.
This cushion cover 24 has base portion 25, barrel up and down 26 and installation portion 27, described base portion is close on the sidewall 17b of above-mentioned partition wall 17, described barrel is arcuation from these base portion 25 upper limbs and lower edge and is involved in to the inside and forms, and described installation portion is arranged on the cushion cover trailing edge and to the upper wall 17a of partition wall 17 bending.Utilize method such as spot welding this installation portion 27 to be welded on 17 the upper wall 17a, thereby the two side 17b of next door plate 17 go up two cushion covers 24 of configuration.
Therefore, by being fastened on the parts 11 with the shoulder 18 of partition wall 17 across cushion cover 24 in the middle of another sheet 16b of shoulder 20, link 11 and the outside frame brackets 16 of bolt 19 and nut 19 ' the above-mentioned center beam of bumper support 15.
In addition, in the substantial middle position of the upper wall 15a of center beam of bumper support 15 hole 22 is set, the reinforcement 21 of strengthening usefulness is also run through in this hole 22, and the sleeve nut 5 with negative thread 23 inserts this hole 22 and by removal stop section 28 welded joint with it.Traction hook 4 passes the hole 22 on bumper/spoiler surface 7, is loaded and unloaded to be screwed into and to be fixed on internal thread part 23 freely.Therefore, above-mentioned bolt 19 is connected on the above-mentioned traction hook 4 by the center beam of bumper support 15 that is arranged on the above-mentioned link 11 the outside.
Like this, in the substantial middle position of center beam of bumper support 15 upper wall 15a traction hook 4 is installed, and the installation site that makes bolt 19 is arranged on the shoulder 20 of peripheral part of center beam of bumper support 15, so the axis C2 of the axis C1 of above-mentioned bolt 19 and traction hook 4 is on the diverse location.
Therefore, according to this embodiment, when effect has drawbar load on traction hook 4, this load is shared carrying by the shoulder 20 of center beam of bumper support 15 by each bolt 19, and link 11 from intensity and rigidity being improved by partition wall 17, act on the vehicle frame 13 of the outside via outside frame brackets 16, can be enough to bear big drawbar load thus.Particularly, because back prop 12, rear panel 10 and sidecar frame 13 are connected on the link 11, like this, stressed position is in intensity and the big position of rigidity, can enough bear drawbar load, and this point is very useful.
In addition, under the state that above-mentioned traction hook 4 has been installed, when dashing when hitting load when rear side acts on vehicle rear, this load is inwardly transmitted along the axis C2 of traction hook 4, be absorbed by the distortion that makes center beam of bumper support 15, pass to bolt 19 indirectly through center beam of bumper support 15 simultaneously, be passed to outside vehicle frame 13 from bolt 19 through sidecar frame support 16 again, wherein, above-mentioned bolt 19 has axis C1 on the position of the axial location that is different from traction hook 4.Therefore, such structure can fully be born big drawbar load, and can avoid impact load directly to be transmitted.
In addition, because above-mentioned bolt 19 links to each other with traction hook 4 by the center beam of bumper support 15 that is arranged at above-mentioned link 11 outsides, be connected with outside vehicle frame 13 by outside frame brackets 16 again, the institute so that center beam of bumper support 15 and sidecar frame support 16 between the centre, it is simple that structure becomes, and is easy to install.
In addition, because above-mentioned center beam of bumper support 15 and outside frame brackets 16 are arranged at the outside of outside vehicle frame 13, thereby make center beam of bumper support 15 and outside frame brackets 16 be easy to install, when impact loading is arranged, can avoid outside vehicle frame 13 to hinder the distortion of center beam of bumper support 15 and outside frame brackets 16.Therefore, have and to improve fitting operation, and can guarantee the distortion freedom of center beam of bumper support 15 and outside frame brackets 16, absorb the advantage of impacting.
In addition, owing on the link 11 that is provided with bolt 19, be provided with partition wall 17, can either improve the intensity of link 11 self like this, also can improve the installation strength of bolt 19.Therefore, can bear tractive force reliably.Are loaded on the bolt 19 because cushion cover 24 is outer, thus can offset the power that occurs on the direction that link 11 is crushed, and can bear tractive force more reliably.
In addition, the present invention is not limited to above-mentioned embodiment, for example, though above-mentioned explanation is an example with the traction hook that is positioned at rear vehicle, in the situation of the installation structure that also is applicable to the traction hook that is positioned at Vehicular body front.
The present invention can apply to have the impact safety technical elements of the vehicle that draws hook.
Claims (4)
1. installation structure that draws hook, the beam parts that will have a hollow closed cross-section shape are installed to along on the set frame part of lead by the secure component that connects these beam parts, the traction hook is installed on these beam parts via above-mentioned secure component, it is characterized in that, axis on the path of the tractive force of the above-mentioned traction hook of the axis of above-mentioned secure component and transmission is connected to above-mentioned secure component on the above-mentioned frame part by the mounting bracket that is arranged at the above-mentioned beam parts outside not on same line.
2. installation structure as claimed in claim 1 is characterized in that above-mentioned mounting bracket is arranged at the outside of the frame part of hollow form.
3. installation structure as claimed in claim 1 is characterized in that, by the partition wall in the hollow section that is arranged at above-mentioned beam parts above-mentioned secure component is installed on the beam parts.
4. installation structure as claimed in claim 1 is characterized in that, is provided with cushion cover on around the above-mentioned secure component.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003355335A JP3980545B2 (en) | 2003-10-15 | 2003-10-15 | Tow hook mounting part structure |
| JP355335/2003 | 2003-10-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1607109A CN1607109A (en) | 2005-04-20 |
| CN100408410C true CN100408410C (en) | 2008-08-06 |
Family
ID=34612969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100880506A Expired - Fee Related CN100408410C (en) | 2003-10-15 | 2004-10-15 | Mounting part arrangement of traction pothook |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3980545B2 (en) |
| CN (1) | CN100408410C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4710533B2 (en) * | 2005-10-07 | 2011-06-29 | 株式会社豊田自動織機 | Drawbar device for tow vehicle |
| CN101596847B (en) * | 2009-06-24 | 2011-09-14 | 叶培玉 | Tractor with upward ball head and traction method thereof |
| JP5861869B2 (en) * | 2011-11-08 | 2016-02-16 | スズキ株式会社 | Fixing structure of towing hook for vehicle |
| JP6450234B2 (en) * | 2015-03-27 | 2019-01-09 | 本田技研工業株式会社 | Rear structure of the car body |
| JP6285975B2 (en) * | 2016-03-03 | 2018-02-28 | 本田技研工業株式会社 | Car body rear structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0439911U (en) * | 1990-08-03 | 1992-04-06 | ||
| US5150911A (en) * | 1988-09-23 | 1992-09-29 | Williams Gregory J | Tow bar assembly |
| JPH107031A (en) * | 1996-06-18 | 1998-01-13 | Nissan Motor Co Ltd | Tight fastening towing hook installation structure of automobile |
| JP2002053065A (en) * | 2000-08-09 | 2002-02-19 | Fuji Heavy Ind Ltd | Installing structure for traction hook |
| JP2002053066A (en) * | 2000-08-10 | 2002-02-19 | Fuji Heavy Ind Ltd | Installing structure for traction hook for vehicle |
| CN1421331A (en) * | 2001-11-27 | 2003-06-04 | 三菱自动车工业株式会社 | Towing hook installing structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3328237B2 (en) * | 1999-08-27 | 2002-09-24 | 本田技研工業株式会社 | Mounting structure of towing hook |
-
2003
- 2003-10-15 JP JP2003355335A patent/JP3980545B2/en not_active Expired - Fee Related
-
2004
- 2004-10-15 CN CNB2004100880506A patent/CN100408410C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5150911A (en) * | 1988-09-23 | 1992-09-29 | Williams Gregory J | Tow bar assembly |
| JPH0439911U (en) * | 1990-08-03 | 1992-04-06 | ||
| JPH107031A (en) * | 1996-06-18 | 1998-01-13 | Nissan Motor Co Ltd | Tight fastening towing hook installation structure of automobile |
| JP2002053065A (en) * | 2000-08-09 | 2002-02-19 | Fuji Heavy Ind Ltd | Installing structure for traction hook |
| JP2002053066A (en) * | 2000-08-10 | 2002-02-19 | Fuji Heavy Ind Ltd | Installing structure for traction hook for vehicle |
| CN1421331A (en) * | 2001-11-27 | 2003-06-04 | 三菱自动车工业株式会社 | Towing hook installing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1607109A (en) | 2005-04-20 |
| JP2005119406A (en) | 2005-05-12 |
| JP3980545B2 (en) | 2007-09-26 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20080806 Termination date: 20171015 |
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| CF01 | Termination of patent right due to non-payment of annual fee |