CN100560420C - The installation constitution of resin vehicle panel parts and installation method thereof - Google Patents
The installation constitution of resin vehicle panel parts and installation method thereof Download PDFInfo
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- CN100560420C CN100560420C CNB2006100927484A CN200610092748A CN100560420C CN 100560420 C CN100560420 C CN 100560420C CN B2006100927484 A CNB2006100927484 A CN B2006100927484A CN 200610092748 A CN200610092748 A CN 200610092748A CN 100560420 C CN100560420 C CN 100560420C
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Abstract
Resin system panelling parts (2) are installed under the situation of body part (6), when being provided with body part one side fastener (21) on the above-mentioned body part (6), at the last position of above-mentioned resin system panelling parts (2) corresponding to above-mentioned body part one side fastener (21), formed along the slotted hole (22) that allows this resin system panelling parts (2) thermal deformation direction, bolt axial region (23a), be arranged on this bolt axial region (23a) end and can insert the first diameter portion (23b) of above-mentioned slotted hole (22) and the above-mentioned bolt axial region (23a) of this first diameter portion (23b) is arranged on the end face of an opposite side, use to have the above-mentioned installation of concluding parts (23) of concluding parts one side fastener (23c) that can screw in above-mentioned body part one side fastener (21).
Description
Technical field
The present invention belongs to the installation constitution that relates to a kind of resin system panelling parts of installing to body part and the technical field of installation method.
Background technology
In recent years, be purpose with the weight that alleviates vehicle, the panelling parts of the vehicle outside face of for example conduct formation mudwing etc. have substituted metal system panelling and the situation of the resin system of employing panelling parts.This situation when sprayed paint operation (a series of operations that the spraying of coating, paint film baking, paint film drying, cooling etc. constitute), has the worry of problem such below taking place.
Just, the sprayed paint operation of panelling parts, in order to prevent the difference of the color and luster between a plurality of panelling parts, just have a plurality of panelling parts are installed to the situation of under the state of body part (normally being made of metal) whole locomotive body being carried out sprayed paint.In this case, part or all panelling all is the words of resin system panelling parts, the coefficient of thermal expansion of resin system panelling parts and body part is very different, so, because poor (coefficient of thermal expansion of resin system panelling parts is big) of this coefficient of thermal expansion, paint film baking and paint film drying etc. reach very high temperature (as 100 degree) time, resin system panelling parts than vehicle part expand big, contraction is also big during its after cooling.Its result, resin system panelling parts just have the worry of flexural deformation.
For example, the spy opens in the 2001-206248 communique, has disclosed the possible structure of difference that absorbs the coefficient of thermal expansion of resin system panelling parts and metallic body part.This structure, in the structure that resin system panelling parts and metallic body part are concluded with bolt and nut, when the bolt-inserting hole of metallic body part is made slotted hole, resin system panelling parts and metallic body part are concluded state for sliding.According to this way, because when producing big expansion or contraction than metallic body part, producing between resin system panelling parts and the metallic body part, temperature traverse resin system panelling parts relatively move, just allowed expansion as described above and contraction.
Yet, the structure that above-mentioned communique is put down in writing, supposition is for correspondence is logged into the small expansion of nature temperature scope or contraction from that, consideration can not be corresponding during paint film baking during the sprayed paint operation etc. because the big expansion that high temperature causes and subsequent owing to cool off the contraction that produces.
For this reason, in the structure of above-mentioned communique record, the big expansion during for corresponding sprayed paint operation and the method for contraction are till finishing to the sprayed paint operation, with loose fixing concluding of bolt and nut temporarily to allow to corresponding big expansion and contraction, real again concluding after the sprayed paint operation is finished.But, in this case, with resin system panelling parts transport under the state that temporarily is installed to body part or the sprayed paint operation when, have because vibrations wait the worry that bolt and nut is come off.Also have, bolt and nut carry out the sprayed paint operation under the state of temporarily concluding, so the surface of these bolt and nuts will form paint film.For this reason, after the sprayed paint operation was finished, when really concluding bolt and nut, because the rotation of bolt and nut, its surperficial paint film came off, and has the worry of the appearance damage of resin system panelling parts again.
Summary of the invention
The present invention, put in view of the above problems and form, its purpose is resin system panelling parts are installed under the situation of body part, prevent coming off and avoid the paint film of this parts surface to peel off for parts such as the bolt that these resin system panelling parts is installed to body part and nuts, and, can absorb of big expansion and the contraction of resin system panelling parts when the sprayed paint operation etc. with respect to body part.
In order to reach above-mentioned purpose, the present invention is an object with the installation constitution of resin vehicle panel parts, to body part this resin vehicle panel parts is installed, on above-mentioned body part, be provided with and formed body part one side fastener with one of bolt thread or nut thread; On above-mentioned resin system panelling parts,, be formed with slotted hole along the direction of the thermal deformation that allows these resin system panelling parts corresponding to the position of above-mentioned body part one side fastener; It is characterized in that, this installation constitution utilization is concluded parts above-mentioned resin vehicle panel parts is installed on the above-mentioned body part, this is concluded parts and has: the bolt axial region, be arranged on an end of this bolt axial region and insert the first diameter portion of above-mentioned slotted hole, and be arranged on this first diameter portion on the end face with the opposite side of above-mentioned bolt axial region and conclude parts one side fastener with above-mentioned body part one side fastener screws, above-mentioned first diameter portion, above-mentionedly conclude parts one side fastener and above-mentioned body part one side fastener screws by making, and be crimped on the above-mentioned body part.
According to above-mentioned formation, under state with body part and the coincidence of resin system panelling parts, with the above-mentioned parts one side fastener of concluding, pass above-mentioned slotted hole from resin system panelling parts one side and screw in body part one side fastener, the first diameter portion that will conclude parts is crimped onto body part.Under this state, conclude parts and just firmly be installed on the body part.
At this, as long as use nut part concluding to conclude on the bolt axial region band of parts, resin system panelling parts and body part are just concluded fixing, still, in this stage, do not conclude usefulness nut part (not working fastening) at the bolt axial region screw-in of concluding parts.
And, be installed under the state on the body part (first diameter portion is crimped onto the state of body part) will concluding parts, if carrying out for resin system panelling parts is very hi-heat for example sprayed paint operation (comprising sprayed paint, paint film baking, paint film drying, cooling etc.), resin system panelling parts are with respect to body part or expansion or contraction when this operation.At this moment, conclude parts and inducing by first diameter portion in slotted hole that to move along slotted hole be possible, so resin system panelling parts relatively move along the slotted hole direction with respect to body part.Just, the expansion of the heat resin system panelling parts during owing to spraying and contraction obtain allowing, and its result has just prevented the distortion of resin system panelling parts etc.
Yet, in the resin, along with being subjected to above-mentioned swell increment of thermal process and amount of contraction is not wait, if in advance resin system panelling parts and body part are concluded fully, because the difference of this swell increment and amount of contraction will cause the worry that the distortion of resin system panelling parts or internal stress are residual etc., and according to the present invention, after the sprayed paint operation is finished fully, again resin system panelling parts finally are fixed on the body part, just can eliminate such problem.
And after such high-temperature operation was finished, as long as screwing in to conclude with nut part at the bolt axial region of concluding parts concludes, resin system panelling parts will be concluded to be fixed on the body part.Like this, because be that the bolt axial region that will conclude for the first time parts after spraying operation is finished is concluded with nut part and screwed in fixedly body part and resin system panelling parts, so, avoided concluding peeling off of paint film that the rotation with nut part causes, prevented that the damage of the aesthetic appearance of resin system panelling parts from just becoming possibility.
In the installation constitution of above-mentioned resin vehicle panel parts, on the above-mentioned bolt axial region of concluding parts, best is that the second largest diameter portion also bigger than the diameter of above-mentioned first diameter portion is set.
Because so second largest diameter portion just can be supported on resin system panelling parts on the body part temporarily, just can improve the interim supportive with respect to body part of resin system panelling parts with simple structure.
Be provided with under the situation of second largest diameter portion at the bolt axial region of concluding parts as mentioned above, above-mentioned first diameter portion, above-mentionedly conclude parts one side fastener and above-mentioned body part one side fastener screws by making, and be crimped on the above-mentioned body part, under above-mentioned crimped status, best is to produce the gap between above-mentioned second largest diameter portion and the resin system panelling parts again.
Do like this, with the above-mentioned stage of concluding before concluding fixing resin system panelling parts and body part with nut part, the resin system of making panelling parts can slide mobile with respect to body part when expanding and when shrinking, can also make the interim supportive raising of resin system panelling parts with respect to body part.
Also have, conclude as mentioned above on the bolt axial region of parts and be provided with under the situation of second largest diameter portion, in the slotted hole of above-mentioned resin system panelling parts, the also high framework liner component of compression creep (creep) intensity of these resin system panelling parts of embedding ratio, on the above-mentioned liner component, insert above-mentioned first slotted hole and second slotted hole that inserts above-mentioned second largest diameter portion of concluding the first diameter portion of parts, mutually on the thickness direction of this liner component, connect and form simultaneously and along the slotted hole of above-mentioned resin system panelling parts, the thickness of the part of above-mentioned first slotted hole of the formation of above-mentioned liner component, best is be designed to the thickness of the part of the above-mentioned slotted hole of formation of above-mentioned resin system panelling parts basic identical.
By slotted hole, just can also just can avoid the damage of resin system panelling parts like this with the excessive installation axial force of simple structure inhibit function at the slotted hole edge part of resin system panelling parts with liner component embedded resin system panelling parts.
Also have, in the installation constitution of above-mentioned resin vehicle panel parts, best is the thermal contraction restrictions that also comprises the above thermal contraction of specified amount that limits above-mentioned resin system panelling parts.
Just, as previously mentioned, because be owing to be subjected to thermal history swell increment and amount of contraction not to wait the resin of (amount of contraction is bigger than swell increment usually), under the situation of such resin, if not because of the thermal contraction restrictions, shrink after resin system panelling parts expand, resin system panelling parts will be significantly different with respect to before the position of body part and the expansion again.On the other hand, if by because of more than the specified amount of thermal contraction restrictions restriction resin system panelling parts because of thermal contraction, just can prevent big position deviation with respect to the resin system panelling parts of body part, can work for the raising of assembly precision.
Above-mentioned thermal contraction restrictions, be constituted as by screwing, limit above the getting final product because of thermal contraction of the defined amount of above-mentioned resin system panelling parts the contacting of the end of concluding the parts and the slotted hole of above-mentioned resin system panelling parts of above-mentioned body part one side fastener.
Above-mentioned because of the thermal contraction restrictions, go into the contacting of slotted hole one end of concluding parts and above-mentioned resin system panelling parts of bolt part by above-mentioned body part one sidespin, constitute getting final product because of thermal contraction more than the defined amount of the above-mentioned resin system panelling parts of restriction.
Do like this, can both deposit parts effectively, can prevent the position deviation of resin system panelling parts by simple structure again with respect to body part.
As of the present invention to the installation method of body part mounting vehicle with resin system panelling parts, to body part this resin vehicle panel parts are installed, are comprised: the operation that the body part one side fastener that has formed one of nut or bolt is set on above-mentioned body part; At the position corresponding to above-mentioned body part one side fastener of above-mentioned resin system panelling parts, form the operation of slotted hole along the direction of the thermal deformation that allows these resin system panelling parts; The operation of concluding parts of concluding parts one side fastener that making has the bolt axial region, be arranged on this bolt axial region one end and can insert the first diameter portion of above-mentioned slotted hole and be arranged on this first diameter portion and the end face opposite side of above-mentioned bolt axial region and can screw with above-mentioned body part one side fastener; By behind the position of aiming at above-mentioned body part one side fastener and slotted hole, above-mentioned body part and resin system panelling parts being under the coincidence status, the above-mentioned parts one side fastener of concluding is passed above-mentioned slotted hole and above-mentioned body part one side fastener screws from resin system panelling parts one side, above-mentioned first diameter portion is crimped on the operation of body part; Under the state that above-mentioned first diameter portion is crimped onto on the body part, carry out operation to the defined operation of resin system panelling parts heating; After the operation of having carried out above-mentioned defined operation, screw to conclude to the above-mentioned bolt axial region of concluding parts and use nut part, by the operation of fixing above-mentioned body part of this nut part and resin system panelling parts.
As long as resin system panelling parts are installed on the body part, just can access the action effect same with above-mentioned installation constitution with this method.
Also have, in the installation method of above-mentioned resin vehicle panel parts, identical with above-mentioned installation constitution, on the above-mentioned bolt axial region of concluding parts, be provided with the second largest diameter portion bigger than the diameter of above-mentioned first diameter portion, above-mentioned first diameter portion is being crimped under the state of body part, and best is to produce the gap between above-mentioned second largest diameter portion and resin system panelling parts.
Also have, to the defined operation of above-mentioned resin system panelling parts heating is the words of the paint film drying operation behind the sprayed paint, resin system panelling parts integral body is carried out long high temperature action, although resin system panelling parts produce big thermal deformation, but, although be under such situation, when using simple structure can allow such thermal deformation, owing to conclude with the rotation of nut part and can also avoid coming off of paint film, prevent that the impairment of the aesthetic appearance of resin system panelling parts from becoming possibility.
Description of drawings
Fig. 1 is the vehicle block diagram that has adopted the related resin vehicle panel parts installation constitution of embodiments of the present invention.
Fig. 2 is the expansion block diagram of the installation relation of expression mudwing of above-mentioned vehicle and preceding big frame.
Fig. 3 is the decomposing section before the sliding part of one of three installation portions of mudwing and preceding big frame is installed.
Fig. 4 (a) is the planar view that is used for the liner component of sliding part.Fig. 4 (b) is the ground plan of this liner component.
Fig. 5, expression is engaged in the preceding state of the mounting hole of frame greatly with the slotted hole of above-mentioned liner component embedding mudwing with welded nut, is the section-drawing of sliding part.
Fig. 6, expression overlaps mudwing and preceding big frame, makes the screw portion that concludes parts begin to screw in the nut state, is the section-drawing of sliding part.
Fig. 7, expression screws in nut by the screw portion that will conclude parts, makes the state of the first diameter portion hold-down nut of concluding parts, is the section-drawing of sliding part.
Fig. 8, the expression surface of the work has formed the state of paint film, is the section-drawing of sliding part.
Fig. 9 is illustrated in the bolt axial region of concluding parts and screws in to conclude and use nut part, concludes with the fixing state of mudwing and preceding big frame of nut part by this, and be the section-drawing of sliding part.
Figure 10, the figure that is equivalent to Fig. 9 of the other example of expression liner component.
Figure 11 represents the figure that is equivalent to Fig. 9 of the example of liner component of no use.
Figure 12 is the decomposing section before the portion of concluding fully of one of three installation portions of mudwing and preceding big frame installs.
Figure 13 is the ground plan that is used for the liner component of the portion that concludes fully.
Figure 14, the mounting hole of big frame made mudwing and preceding big frame be in coincidence status before expression was engaged in welded nut, was the section-drawing of the portion that concludes fully.
Figure 15, the expression surface of the work has formed the state of paint film, is the section-drawing of the portion that concludes fully.
Figure 16, expression is with the circular hole of above-mentioned liner component embedding mudwing, and the bolt part that will conclude parts begins to screw in the state of welded nut, is the section-drawing of the portion that concludes fully.
Figure 17, expression is the section-drawing of the portion that concludes fully by concluding the fixedly state of mudwing and preceding big frame of parts.
Figure 18 is formation and the mudwing of effect and the longitudinal diagram of preceding big frame of expression because of the thermal contraction restrictions.
Figure 19 is for representing because of the other formation of thermal contraction restrictions and the figure that is equivalent to Figure 18 of effect.
Figure 20 (a) is the planar view that is illustrated in good situations in the operation that overlaps mudwing on the preceding big frame to Figure 20 (c).Figure 20 (a), expression overlaps the state before the two.Figure 20 (b), expression overlaps the state after the two.Figure 20 (c), parts screw in welded nut between slotted hole and liner component state is concluded in expression.
Figure 21 (a) and Figure 21 (b) are the planar views that problem condition is arranged in the operation of coincidence mudwing on the big frame before being illustrated in.Figure 21 (a), expression overlaps the state before the two.Figure 21 (b), expression overlaps the state after the two.
Figure 22 is with the figure that is equivalent to Fig. 5 of clamp nut case.
Figure 23 is with the figure that is equivalent to Fig. 7 of clamp nut case.
Figure 24 is for the present invention's vehicle block diagram of bolts assemblies that played the related use of the first reference implementation mode of relevant invention of reference.
Figure 25, the expansion block diagram of the mudwing part of above-mentioned vehicle.
Figure 26 is the exploded perspective view that enlarges the represented part of expression Figure 25 arrow A.
Figure 27 is the B-B line section-drawing of Figure 26.
Figure 28 is the C-C line section-drawing of Figure 26.
Figure 29 is that expression will screw in the nut, with the figure that is equivalent to Figure 28 of circular nut crimping wheel shield framework support state with the prevention bolt in hexagonal cave.
Figure 30 is that the figure that is equivalent to Figure 28 with the nut state has been concluded in expression.
Figure 31 is that the figure that is equivalent to Figure 27 with the nut state has been concluded in expression.
Figure 32 is the figure that is equivalent to Figure 28 of the expression second reference implementation mode.
Figure 33 is the figure that is equivalent to Figure 29 of the expression second reference implementation mode.
Figure 34 is the figure that is equivalent to Figure 28 of expression the 3rd reference implementation mode.
Figure 35 is the figure that is equivalent to Figure 29 of expression the 3rd reference implementation mode.
Figure 36 is other routine lateral plans of the bolt member of expression bolts assemblies.
The specific embodiment
Below, based on the description of drawings embodiments of the present invention.And the explanation of following best embodiment is no more than example in essence, and the present invention is not intended to limit its suitable thing or its purposes.
Fig. 1 is the vehicle block diagram that has adopted the related resin vehicle panel parts installation constitution of embodiments of the present invention.This vehicle 1 has formed profile by various sheet material parts such as left and right sides mudwing 2, cover 3, left and right sides door panel 4 (in Fig. 1, only represented one in car body left side) and top boards 5.And in the present embodiment, mudwing 2 in order to alleviate car body weight, is made of resin.Just, mudwing 2 is equivalent to resin system panelling parts of the present invention.Other sheet material parts are metallic.
Fig. 2 is the expansion block diagram of installation relation of the preceding big frame 6 of expression mudwing 2 of above-mentioned vehicle 1 and metallic body part.The inside upper part of mudwing 2 is provided with the flange part 2a that extends along the car body fore-and-aft direction, and the upper surface part of this flange part 2a and preceding big frame 6 overlaps at above-below direction.And mudwing 2 is before being installed in by the portion that concludes fully 30 these three installation portions of the sliding part 20 in the fixed part 10 at rear, the place ahead and forefront on the big frame 6.
At this, in the mudwing 2, although the thermal deformation of car body fore-and-aft direction (expanding and contraction) obtains allowing,, the thermal deformation of width over sides of car body direction and above-below direction (expanding and contraction) is restricted.Its reason is to keep certain clearance in design between mudwing 2 and the cover 3, for avoiding mudwing 2 and contacting of cover 3 etc.Thus, the outward appearance attractive in appearance of the key factor of the commodity value of decision vehicle 1 is guaranteed.To this, for example, if allow the het expansion of the width over sides of car body direction of mudwing 2, the rising wood 2x of mudwing 2 is pressed into direction in the car body with the side edge part 3x of cover 3, perhaps, if allow the het expansion of the above-below direction of mudwing 2, the rising wood 2x of mudwing 2 is with the side edge part 3x of cover 3 jack-up that makes progress, and the profile of vehicle 1 just may deform.From this viewpoint, the fixed part 10 at rear is the installation portion of the reference position of the thermal deformation when the big frame 6 before mudwing 2 is installed on, and the sliding part 20 in the place ahead is to allow mudwing 2 with respect to preceding big 6 installation portion that relatively moves along the car body fore-and-aft direction.
Also have, as shown in Figure 2, the 2y of bumper mounting portion also can be provided with sliding part 20.Thus, with the bumper mounting 2y of portion with the front portion of mudwing 2 from lower support, when suppressing the sprayed paint operation because the hot sagging of mudwing 2 that causes that be heated also is actv..
Fig. 3 is the expansion section-drawing before sliding part 20 is installed.The left and right directions of Fig. 3 is the left and right directions of car body.On the preceding big frame 6 of body part, be provided with the welded nut 21 (being equivalent to body part one side fastener) that forms nut.Formed guiding projection 21a on the welded nut 21, the position of the chimeric mounting hole 21b of big frame 6 upper surface part before decision is arranged on.On the position corresponding to above-mentioned welded nut 21 in the mudwing 2, formed the slotted hole of permission along the thermal deformation direction (car body fore-and-aft direction just) of this mudwing 2.And, when big forward 6 of mudwing 2 installs and fixes, use has bolt axial region 23a, be arranged on the end of this bolt axial region 23a and can insert the first diameter portion 23b of above-mentioned slotted hole 22 and be arranged on this first diameter portion 23b with above-mentioned bolt axial region 23a to a bolt part 23c side end face and that may screw in above-mentioned welded nut 21 (may screw in body part one side fastener conclude parts one side fastener) concluded parts 23.This is concluded on bolt axial region 23a one side end face of parts 23, has formed hexagonal cave 23f.
Above-mentioned slotted hole 22 is rectangle in the present embodiment.Also have, in the above-mentioned slotted hole 22, embedded the liner component 24 of frame shape.This liner component 24 for example is to be made by metal, mineral compound (pottery etc.), FRP (fiber-reinforced plastic: best is thermosetting resin) etc., ratio mudwing 2 height that compression creep intensity is set.Just, liner component 24 is compared with mudwing 2, and the plastic deformation when being under pressure is difficult for taking place.
On the above-mentioned bolt axial region 23a that concludes parts 23, be provided with also more large diameter and have a second largest diameter portion 23d of the diameter that can contact with the periphery of the slotted hole 22 of above-mentioned mudwing 2 than above-mentioned first diameter portion.The bottom of the peripheral side of above-mentioned first diameter portion 23b forms the flare 23e of rounding taper type.
Also have, prepared to conclude usefulness nut part 25 for what conclude fixedly mudwing 2 and preceding big frame 6.This is concluded with nut part 25, has nut body 25a and the 25b of blade of a sword portion.The 25b of blade of a sword portion by fixing of caulking part 25c, can freely carry out the axle center rotation with respect to nut body 25a.The 25b of this blade of a sword portion concludes when being concluded in bolt axial region 23a with nut part 25 when this, contacts with the upper surface of above-mentioned liner component 24.
On the above-mentioned liner component 24, such as shown in Figures 3 and 4, insert the bottom slotted hole 24a (being equivalent to first slotted hole) and the top slotted hole 24b (being equivalent to second slotted hole) that inserts second largest diameter portion 23d of the above-mentioned first diameter portion 23b that concludes parts 23, connect and form along the slotted hole 22 of above-mentioned mudwing 2 simultaneously at the thickness direction of this liner component 24 mutually.The formation of liner component 24 thickness alpha of lower portion of above-mentioned bottom slotted hole 24a, be set at thickness (thickness of the slotted hole 22 peripheries) β of the part of the above-mentioned underpunch of the formation of above-mentioned mudwing 2 portion roughly the same.The rising wood chamfering of bottom slotted hole 24a forms inclined plane part 24c.By this inclined plane part 24c with conclude the flare 23e of parts 32, when will concluding the bottom slotted hole 24a that parts 23 penetrate liner component 24, guide vanes spigot 23c enters welded nut 21 preferably.
Also have, on the lower surface of liner component 24, be provided with a plurality of sharp projection 24d.These sharp projection 24d, as shown in Figure 9, liner component 24, when concluding before pushing to from mudwing 2 with the 25b of blade of a sword portion of nut part 25 big frame 6, big frame 6 before the wedging, thus, axle moment of torsion when tightening with nut part 25 by concluding prevents the torsional deflection of liner component 24 to mudwing 2.
Next, with regard to above-mentioned sliding part 20, resin system panelling parts 2 are installed on the method for big frame 6 before the metallic with reference to Fig. 5 to Fig. 9 explanation.
At first, at the car body maquila, as shown in Figure 5, in the slotted hole 22 of mudwing 2, inlay and insert frame shape liner component 24.Also has seam welding connected nut 21 on preceding big 6 mounting hole 21b.
Next, as shown in Figure 6, the position of involutory above-mentioned welded nut 21 and slotted hole 22 make above-mentioned before under big frame 6 and the state that mudwing 2 overlaps, inner-hexagon spanner 29 is embedded in the hexagonal cave 23f that concludes parts 23, the bolt part 23c that will conclude parts 23 screws in above-mentioned welded nut 21.This screw-in as shown in Figure 7, carries out above-mentioned first diameter portion 23b and is crimped onto preceding big frame 6 (being the welded nut 21 with preceding big 6 one in the accompanying drawing).In this crimped status, produce gapped formation between above-mentioned second largest diameter portion 23d and the mudwing 2.In more detail, in the present embodiment, produce clearance C 1 between above-mentioned second largest diameter portion 23d and the liner component 24, produce clearance C 2 between above-mentioned liner component 24 and the mudwing 2.
(conclude fully in the portion 30 for the mudwing 2 of such formation and the workpiece of preceding big frame 6 formation, conclude parts 33 as described later and do not screw in welded nut 31 (with reference to Figure 15), make mudwing 2 and preceding big frame 6 be in the state of being fixed by concluding parts in the fixed part 10) the defined operation of heating, just carry out a succession of operation that sprayed paint, paint film baking, paint film drying, cooling etc. form.Its result as shown in Figure 8, has formed paint film P on the surface of workpiece W.
And, above-mentioned sprayed paint operation, as described later the first reference implementation mode illustrate like that, on the whole locomotive body that left and right sides mudwing 2 and other metallic panelling parts (cover 3, left and right sides door-plate 4, top board 5) have been installed, carry out.
, as shown in Figure 9, on the above-mentioned bolt axial region 23a that conclude parts 23 screw in above-mentioned conclude with nut part 25, conclude with nut part 25, conclude fixedly mudwing 2 and preceding big frame 6 by this thereafter.Just, with the upper surface of concluding, make the preceding big frame 6 of the sharp projection 24d wedging that is arranged on liner component 24 lower surfaces with the 25b of the blade of a sword portion compressed against gasket parts 24 of nut part 25.Big frame 6 before the whole wedging of this sharp projection 24d, before the lower surface of liner component 24 touches under the state of big frame 6, form the thickness alpha of the lower portion of above-mentioned bottom slotted hole 24a in the liner component 24, the formation of basic and above-mentioned mudwing 2 the segment thickness β of above-mentioned slotted hole 22 identical, the lower surface of the part corresponding to above-mentioned top slotted hole 24b of the peripheral sides of liner component 24 (part of giving prominence on slotted hole 22 peripheries of mudwing 2) is contacted with the periphery of the slotted hole 22 of mudwing 2.This result is fixed between liner component 24 mudwinges 2 and preceding big frame 6.
Therefore, according to present embodiment, by concluding the bolt part 23c of parts 23, make and pass slotted hole 22 screw-in welded nuts 21 from mudwing 2 one sides till this first diameter portion 23b that concludes parts 23 is crimped onto preceding big frame 6, conclude parts 23 and just be installed to securely on the preceding big frame 6.
Also have, big frame 6 before will concluding parts 23 and being installed to (be crimped onto first diameter portion 23b before big frame 6) will not concluded to be installed to nut part 25 at once and conclude on the parts 23 afterwards.Just, mudwing 2 and preceding big frame 6 are not concluded together.In this state, above-mentioned workpiece is carried out very hi-heat sprayed paint operation, when this operation, mudwing 2 is with respect to preceding big 6 or expansion or contraction.At this moment, can be moved along slotted hole 22 by first diameter portion 23b guiding in slotted hole 22 because conclude parts 23, this moves with respect to preceding big 6 direction along slotted hole 22 with regard to making mudwing 2.Just, expansion and contraction that the heat when having allowed owing to the sprayed paint operation causes, its result has prevented the distortion of mudwing 2.
Yet, in resin, exist along with the different above-mentioned swell increment resin different that is subjected to thermal history with amount of contraction, if in advance resin system panelling parts and body part are concluded fully, just because the difference of this swell increment and amount of contraction will produce the possibility of problems such as the distortion of mudwing 2 or residual internal stress.But,, after the sprayed paint operation is finished, on the big frame 6, thus, just solved such problem before just mudwing 2 finally being fixed to according to the present invention.
After high-temperature operation is finished as mentioned above,, just mudwing 2 can be fixed on the preceding frame 6 greatly as long as screwing in to conclude with nut part 25 at the bolt axial region of concluding parts 23 concludes.As, before the sprayed paint operation of workpiece, do not conclude with nut part 25 in the bolt axial region 23a working fastening of concluding parts 23, after the sprayed paint operation of workpiece is finished, just screw in to conclude and use nut part 25 fixedly mudwing 2 and preceding big frame 6 at the bolt axial region 23a that concludes parts 23, so avoided preventing that the damage of the aesthetic appearance of mudwing 2 from becoming possibility owing to conclude peeling off of paint film that the rotation with nut part 25 causes.
Also have, because be that thermal deformation along mudwing 2 allows direction to form slotted hole 22, just by concluding with nut part 25 so simple structures permission mudwinges 2 thermal deformation before the frame 6 greatly before being fixed to, can channeling conduct.
Have again,, can improve mudwing 2 with respect to preceding big 6 interim supportive by simple structure by second largest diameter portion 23d being set concluding on the parts 23.Also have, screw in welded nut 21 by the bolt part 23c that concludes parts 23, first diameter portion 23b is crimped on the preceding big frame 6, under this crimped status, by constituting the form in the gap that produces between second largest diameter portion 23d and the mudwing 2, concluding with fixing stage before mudwing 2 and the preceding big frame 6 of nut part 25 with above-mentioned, can make mudwing 2 when expanding and when shrinking relative to before greatly frame 6 move sleekly, can improve mudwing 2 with respect to preceding big 6 interim supportive.
Have again,,, also just can avoid the damage of mudwing 2 so just can be suppressed at the excessive installation axial force of edge action of the slotted hole 22 of mudwing 2 by simple structure because on the slotted hole 22 of mudwing 2, embedded frame shape liner component 24.
As previously discussed, as the defined operation of mudwing 2 being executed heat, carried out the sprayed paint operation, mudwing 2 integral body are carried out long high temperature action, even if mudwing 2 produces big distortion, can allow mudwing 2 to conclude by concluding in preceding big 6 thermal deformation before with nut part 25 simple structures, and, owing to conclude the paint film that the rotation with nut part 25 causes and peel off, the outward appearance that prevents mudwing 2 detracts and just becomes possibility when having avoided this to conclude fixedly.
Also have, because make the 25b of the blade of a sword portion rotation of concluding free with nut part 25, so, to conclude with in the middle of the concluding of nut part 25, its moment of torsion just is difficult for acting on liner component 24 between the 25b of blade of a sword portion, also just can suppress the distortion or the distortion of this liner component 24.And, the 25b of blade of a sword portion is made (as packing ring) with nut part 25 splits and also can with concluding.
At this, as shown in figure 10,, if the outer of this upper end is provided with flange part 24e through increase, become good by the extruding of concluding with the 25b of the blade of a sword portion liner component 24 of nut part 25 in the upper end of liner component 24.
Also have, as shown in figure 11, do not use liner component 24 also harmless corresponding to particular case.In the example of Figure 11, be provided with around the slotted hole 22 of mudwing 2 establish above extension 2b, conclude the 25b of blade of a sword portion with nut part 25, the upper surface of this top extension 2b is pushed downwards.This situation is concluded between the upper surface with the 25b of blade of a sword portion of nut part 25 and top extension 2d, rubber system is set or resinous packing ring also can.
Next, the installation method of portion 30 is concluded in explanation fully with reference to Figure 12 to Figure 17.
At first, at the vehicle maquila, to shown in Figure 14, identical as Figure 12 with above-mentioned sliding part 20, big frame 6 (state behind the joint is with reference to Figure 14) before the guiding teat 31a that inserts welded nut 31 before being arranged among the mounting hole 31b of big frame 6 upper surface part is engaged in welded nut 31.
Next, as shown in figure 14, close welded nut 31 and the position that is arranged on the circular hole 32 on the mudwing 2 are made mudwing 2 and 6 coincidences of preceding big frame.To the defined operation that the workpiece of being made up of mudwing 2 and preceding big frame 6 (on the sliding part 20, concluding the state that parts 23 screw in welded nuts 21 as previously mentioned) of such formation heats, just carry out the sprayed paint operation.Its result, as shown in figure 15, the surface of workpiece W has formed paint film P.
Thereafter, as shown in figure 16, liner component 34 is embedded the circular hole 32 of mudwing 2, in the circular hole 34a of this liner component 34, insert bolt part 33e and the large-diameter portion 33c that concludes parts 33, by concluding the head 33a that apparatus 50 rotation concludes parts 33 above-mentioned bolt part 33e is screwed in welded nut 31, thus, conclude fixedly mudwing 2 and preceding big frame 6 (with reference to Figure 17).Just, frame 6 welded nut 31 of preceding big frame 6 one (in the legend with) is before greatly before the large-diameter portion 33c contact of concluding parts 33, the washer portion 34e that concludes the contact pad designed parts 34 of the 33b of blade of a sword portion of parts 33 is between washer portion 34e fixedly mudwing 2 and preceding big frame 6.
And, on the above-mentioned liner component 34, be provided with a plurality of sharp projection 34d that play same purpose with the sharp projection 24d of liner component 24, and play the inclined plane part 34c of same purpose with inclined plane part 24c.From the thickness A of washer portion 24e lower portion, the thickness B that is set at above-mentioned circular hole 32 parts of formation in approximate and the mudwing 2 is identical in this liner component 34.
The above-mentioned blade of a sword 33b of portion is arranged among the caulking part 33f of the large-diameter portion 33c upside of concluding parts 33, and usefulness nut part 25 is the same with concluding, and prevention rotates freely.On the peripheral side bottom of large-diameter portion 33c, formed the flare 33d that plays same function with the flare 23e that concludes parts 23.
As Fig. 2 and shown in Figure 180, the leading section of mudwing 2 becomes the 2c of flexing portion, by the upper surface of big frame 6 before hanging over, be construed as limiting the defined amount of mudwing 2 above because of thermal contraction because of thermal contraction restrictions 40.Before the defined operation to mudwing 2 heating, the 2c of flexing portion of mudwing 2 in initial position [1], but after het expansion extends to het expansion position [2], by cooling, should be retracted to punctured position [4].But owing to construct because of the restriction of thermal contraction restrictions 40, the 2c of flexing portion of mudwing 2 also rests on the preceding leading section of frame 6 greatly after the cooling.Thus, can make the circular hole 32 and the position consistency that is installed in preceding big frame 6 welded nuts 31 of the mudwing 2 of concluding portion 30 fully.Like this, just can limit the defined amount of mudwing 2 above because of thermal contraction, so, also just can prevent mudwing 2 with respect to preceding big 6 big position deviation, suppressed the generation in unnecessary gap etc., can improve assembly precision.
Replace constituting by the above-mentioned flexing 2c of portion because of thermal contraction restrictions 40, as shown in figure 19, end (end of the bottom slotted hole 24a of liner component 24) because of the slotted hole 22 of the first diameter portion 23b that concludes parts 23 of thermal contraction restrictions 40 and the screw-in welded nut 21 of above-mentioned sliding part 20 and mudwing 2 is contacted, limit the formation of the above thermal contraction of the defined amount of mudwing 2 thus, can either effectively utilize existing parts, can obtain above-mentioned effect by simple structure again, this is best.
At this, as Figure 20 (a) to shown in Figure 20 (c), when preceding big 6 above-mentioned overlapping mudwing 2,, just can easily will conclude parts 23 screw-ins between slotted hole 22 and liner component 24 as long as under slotted hole 22 and liner component 24, welded nut 21 is set.But, the for example coordination by anchor clamps and anchor clamps hole, shown in Figure 21 (b), preceding big frame 6 closes with the position of mudwing 2 and ties up to width over sides of car body direction (above-below direction of Figure 21 (b)) generation confusion, thus, just produced and to have concluded the situation that parts 23 screw in welded nut 21 between slotted hole 22 and liner component 24.
Therefore,, on preceding big 6, form the reaming 6a of the length of left and right directions (width over sides of car body direction), on the thickness direction with big frame 6 before big frame 6 usefulness clip nuts 60 are clipped in before this as Figure 22 and shown in Figure 23.On preceding big frame 6 upsides (the mudwing 2 one sides) part of this clip nut 60, formed the through hole 60a that inserts the bolt part 23c that concludes parts 23, on position, form bolt part 60b (body part one side fastener) corresponding to the through hole 60a of preceding big 6 lower portion.Before this clip nut 60 clips under the state of big frame 6, the through hole 60a of this clip nut 60 and bolt part 60b can move by left and right directions (width over sides of car body direction), so, even if closing, the position of mudwing 2 and preceding big frame 6 ties up to upward confusion of width over sides of car body direction (left and right directions of Figure 22 and Figure 23), as long as clip nut 60 is moved with respect to preceding big 6 left and right directions, just can will conclude the bolt part 60b that parts 23 positively screw in clip nut 60 between slotted hole 22 and liner component 24.
And formation of the present invention is not limited by above-mentioned embodiment, is to comprise this all formation in addition.That is to say, in the above-mentioned embodiment, the welded nut 21 of body part one side fastener will be constituted, before being arranged on big frame 6 and faces mudwing 2 opposite sides, but, identical with the welded nut 151 (with reference to Figure 32 and Figure 33) of the second reference implementation mode described later, before welded nut 21 is arranged on big frame 6 with mudwing 2 opposite faces on also can.Do like this, welded nut 21 is charged in the slotted hole 22 (the bottom slotted hole 24a of liner component 24) of mudwing 2, and this welded nut 21 also can be as the guide member that guides mudwing 2 to move.
Also have, in the above-mentioned embodiment, the welded nut 21 that constitutes body part one side fastener is a nut, screw in it, the bolt part 23c that concludes parts 23 is a bolt, but, identical with aftermentioned the 3rd reference implementation mode (with reference to Figure 34 and Figure 35), on the opposite face of preceding big 6 mudwing 2, when establishing the thru-bolt as bolt, with the end face of the opposite side of bolt axial region 23a of the first diameter portion 23b that concludes parts 23 on, replace bolt part 23c as bolt, form nut portions and also can.
Have again, in the above-mentioned embodiment, illustrated that on the preceding big frame 6 as body part resin system panelling parts being installed is situations of mudwing 2, still, be applicable to that door-plate 4 (door-plates of two side doors) also is possible.With this door-plate 4 during as the situation of resin system panelling parts, it is vehicle 1 apparent key factor, the interval of the front end of the rear end of mudwing 2 and door-plate 4 on the car body fore-and-aft direction, during with the thermal deformation of door-plate 4 constant substantially like that, just, restriction is because the two ends of the door-plate 4 that thermal deformation causes are necessary in the change in location of car body fore-and-aft direction.For this reason, allow the direction of thermal deformation, be set in the overall width direction and get final product.
Also have, the resin system panelling parts of installation constitution involved in the present invention and installation method, just do not constitute the panelling of vehicle outside face, can also be widely applicable for the gauge panel panelling that constitutes inside face or other are installed to back sprayed paint on the car body, or at the resin system panelling parts that carry out high temperature operation such as paint film drying operation thereafter.
(becoming the invention of reference of the present invention)
Next, the invention that becomes reference for the present invention is described.
Invent problem to be solved, be when preventing that resin system panelling parts are installed on the coming off of bolt and nut of body part, as long as resin system panelling parts to the big expansion of body part and contraction (just in the time of can absorbing the sprayed paint operation, the paint film that prevents the parts surface of bolt and nut etc. is peeled off not as problem), will conclude from the beginning and screw in the bolt part of concluding parts with nut part and also can.Just, utilize following bolt coupling part, the resin vehicle panel parts are installed on the body part get final product.
Specifically, this has used to the bolt coupling part of body part mounting vehicle with resin system panelling parts with reference in the invention,
On the above-mentioned body part, be provided with the body part one side fastener that forms one of nut or bolt,
Above-mentioned resin system panelling parts corresponding to above-mentioned body part one side fastener on, be provided with slotted hole,
Above-mentioned bolt coupling part, comprise: be arranged on the bolt axial region, be arranged on this bolt axial region one end and can insert the large-diameter portion of above-mentioned slotted hole and the opposite side end face of above-mentioned bolt axial region of this large-diameter portion on, bolt member with the bolt member one side bolt part that can screw in above-mentioned body part one side fastener, with on above-mentioned bolt axial region, be separated by with respect to above-mentioned large-diameter portion and concluding that defined screws at interval use nut part
Above-mentioned bolt large-diameter portion, under the overlapping state of above-mentioned body part and resin system panelling parts, the bolt member one side bolt part of this bolt member is passed above-mentioned slotted hole from resin system panelling parts screw in above-mentioned body part one side fastener, thus, become the state that is crimped onto above-mentioned body part
Above-mentioned defined under above-mentioned crimped status, is to be set in above-mentioned concluding with the formation that generates the gap between nut part and the resin system panelling parts (first constitutes) at interval.
Constitute according to above-mentioned first, under the state of overlapping body part and resin system panelling parts, with bolt member one side bolt part, pass above-mentioned slotted hole from resin system panelling parts and screw in body part one side fastener, the large-diameter portion of bolt member is crimped into body part soon.In this state, the bolt coupling part securely is installed to body part.Have again, conclude and use nut part, screw in the working fastening of bolt axial region, so, body part even produce vibrations when transporting under the state that resin system panelling parts have been installed, can prevent that also above-mentioned bolt coupling part is whole or conclude coming off with nut part.
Also have, under this state, conclude with having generated the gap between nut part and the resin system panelling parts, just, because resin system panelling parts are not concluded fully with body part and are in the same place, under this state, resin system panelling parts are carried out very hi-heat as the sprayed paint operation etc., resin system panelling parts expand with respect to body part and cooling shrinkage thereafter when this operation.At this moment, be possible because the bolt coupling part is moved along slotted hole by the large-diameter portion guiding in slotted hole, resin system panelling parts just move along the slotted hole direction with respect to body part.Just, the expansion of the heat resin system panelling parts during by the sprayed paint operation etc. and contraction obtain allowing, and its result just can prevent that resin system panelling parts must be out of shape etc.Also have, last fixing by resin system panelling parts are carried out body part after sprayed paint operation etc. finishes, just can prevent residual etc. the generation of the distortion of the resin system panelling parts that the difference of swell increment and amount of contraction causes or internal stress.
And such high-temperature operation tightens to the bolt axial region as long as will conclude with nut part after finishing, and resin system panelling parts will be fixed on the body part.
In above-mentioned first member, in the slotted hole of above-mentioned resin system panelling parts, embedded the framework slide unit of slotted hole with the large-diameter portion that can insert above-mentioned bolt member,
The thickness of above-mentioned slide unit, be made for thicker than the thickness of the above-mentioned slotted hole periphery of above-mentioned resin system panelling parts,
Nut part is used in concluding of above-mentioned bolt coupling part, and best is, under above-mentioned crimped status, is temporarily fixed at not the formation (second constitutes) with above-mentioned slide unit position contacting.
Constitute according to above-mentioned second, even if slide unit is embedded in the slotted hole of resin system panelling parts, also can allow really because the expansion and the contraction of the resin system panelling parts that the heat during the sprayed paint operation etc. causes, while fastening concluding when using nut part after high-temperature operation is finished, concluded with nut part crimping slide unit by this, its result is on the resin system panelling parts, do not need to apply the excessive power of concluding, can prevent the damage of these resin system panelling parts.
In above-mentioned first formation, above-mentioned body part one side fastener is the thru-bolt that vertically is arranged on the above-mentioned body part,
The bolt member one side bolt part of the bolt member of above-mentioned bolt coupling part is also can by constitute (the 3rd constitutes) that the nut that can screw in above-mentioned thru-bolt constitutes.
Constitute according to the above-mentioned the 3rd, on body part, there is no need to be set to the through hole of break-through bolt member one side bolt part (nut), therefore, perforate operation that need be on body part.
Also have, as to the method for body part mounting vehicle, comprising with resin system panelling parts:
The operation of the body part one side fastener that has formed one of nut or bolt is set on above-mentioned body part,
At the position corresponding to above-mentioned body part one side fastener of above-mentioned resin system panelling parts, form along the operation of the slotted hole of the thermal deformation direction that allows these resin system panelling parts,
Making has the bolt axial region, be arranged on this bolt axial region one end and can insert above-mentioned slotted hole large-diameter portion, be arranged on this large-diameter portion and the bolt member that possibility screws in the bolt member one side bolt part of above-mentioned body part one side fastener that the has opposite side end face of above-mentioned bolt axial region, with having above-mentioned large-diameter portion is left the defined working fastening at interval operation of concluding with the bolt coupling part of nut part at above-mentioned bolt axial region
Under the state of above-mentioned body part that has overlapped the position of aiming at above-mentioned body part one side fastener and slotted hole and resin system panelling parts, by the above-mentioned parts one side fastener of concluding is passed the bolt part that above-mentioned slotted hole screws in above-mentioned body part one side from resin system panelling parts one side, above-mentioned large-diameter portion is crimped on the operation of body part
Under the state that above-mentioned large-diameter portion is crimped onto on the body part, carry out operation to the defined operation of resin system panelling parts heating,
After having carried out above-mentioned defined flow chart, by above-mentioned operation of concluding, in addition with fixing above-mentioned body part of nut part and resin system panelling parts
Above-mentioned defined is under above-mentioned crimped status at interval, is set in above-mentioned concluding with the interval between nut part and the resin system panelling parts.
According to this method, when body part is installed, can access and the described same effect of above-mentioned first formation at resin system panelling parts.
Below, further describe by the above-mentioned reference implementation mode that becomes with reference to the working of an invention mode.
(the first reference implementation mode)
Figure 24 is the related overall perspective view of having used the vehicle 101 of bolt coupling part of the expression first reference implementation mode.Constitute in all panelling parts (left and right sides mudwing 102, cover 104, left and right sides door-plate 105 etc.) of the outside face of this vehicle 101, the mudwing 102 that constitutes left and right sides front part is (among Figure 24, only represented the left and right sides), purpose for car body lightweight etc., the same with mudwing 2, non-metal system and the resin system of employing, other panelling parts still adopt metallic.
Such as shown in figure 25, top at mudwing 102, when being provided with the cam part 102f that extends along the car body fore-and-aft direction, below this cam part 102f, disposed the part that constitutes car body, metallic wheel shield framework support 103 (body parts) that extend along the car body fore-and-aft direction.And above-mentioned flange part 102f is installed on the wheel shield framework support 103 fixing by former and later two installation portions 110,120 (hereinafter referred to as installed in front portion 110 and rear side installation portion 120).And installed in front portion 110 plays a part identical with the sliding part 20 of above-mentioned car body 1.And, also have by the fixing situation of the installation portion more than three (for example five installation portions).Also have, the same with above-mentioned vehicle 1, in the bumper mounting portion 200, the installation portion with 20 same purposes of sliding part can be set also.
As shown in figure 26, in the rear side installation portion 120, on the cam part 102f of wheel shield framework support 103 and mudwing 102, be provided with circular through hole 103a separately, in the time of 102a, on the lower surface (with an opposite side surface of mudwing 102) of wheel shield framework support 103, with the 103a coaxial line on, welded welded nut 121, cam part 102f one side from mudwing 102, with bolt 122, pass above-mentioned through hole 102a, 103a screws in welded nut 121, and thus, the flange part 102f rear portion of mudwing 102 just is fixed on the wheel shield framework support 103.
On the other hand, in installed in front portion 110, on wheel shield framework support 103, be provided with in the circular through hole 103b, on the flange part 102f of mudwing 102, be provided with the rectangular-shaped slotted hole 102b that extends along the car body fore-and-aft direction.Also have, at the lower surface of wheel shield framework support 103, on through hole 103b coaxial line, welded welded nut 111 (body part one side fastener), the front portion of the flange part 102f of mudwing 102 is fixed on the wheel shield framework support 103 with bolt coupling part 112.
At this, the length of above-mentioned slotted hole 102b to, be set at and allow the possible direction of thermal deformation (expand and shrink).Just, as shown in figure 25, the length of slotted hole 102b to, intersect vertically with the width over sides of car body direction, be set at arrow F (preceding) and the represented car body fore-and-aft direction of R (back).This is the key factor of outward appearance U.S. of vehicle 101.The interval x of the overall width direction of the upper end 102d (top) of the side 104a of cover 104 and the mudwing 102 adjacent with this side 104a, substantially do not change when making thermal deformation (expanding and contraction) at mudwing 102, just, be change in location for the overall width direction of the upper end 102d that limits the mudwing 102 that causes by thermal deformation.
Also have, as shown in figure 26, on the periphery of above-mentioned slotted hole 102b,, be provided with the also thick end difference 102c of thickness than the flange part 102f of mudwing 102 in order to improve the rigidity of this periphery.
On the above-mentioned slotted hole 102b, embedded rectangular box-like metallic sliding part 140.The Outside Dimensions of this sliding part 140 is than the little defined amount of inside dimension of slotted hole 102b.This is because will absorb because sliding part 140 that the temperature traverse of nature causes and expansion and the contraction of slotted hole 102b.
Next, above-mentioned bolt coupling part 112 is described.This bolt coupling part 112, as Figure 27 and shown in Figure 28, have: hexagonal cave 131a and the band hexagonal cave prevention bolt 131 (bolt member) that upwards forms screw thread in side length without a head are arranged on the end face, being fixed on this band hexagonal cave stops in the middle of the direction of principal axis of bolt 131, the slotted hole 140a that can insert above-mentioned sliding part 140 (just, can insert the slotted hole 102b of mudwing 102) and stop the big circular nut 132 of bolt 131 diameters than band hexagonal cave, with respect to this circular nut 132 be separated by defined at interval y (in installation method, illustrating) screw in above-mentioned band hexagonal cave and stop bolt 131 to carry out concluding of working fastening with nut part 133.Above-mentioned band hexagonal cave stops in the bolt 131 leans on upper portion (screwing in above-mentioned part of concluding with nut part 133) than above-mentioned circular nut 132, be equivalent to the bolt axial region, lean on lower portion than above-mentioned circular nut 132, be equivalent to screw in body part one side fastener bolt parts one side bolt part, above-mentioned circular nut 132 is equivalent to large-diameter portion.
Above-mentioned circular nut 132 after being screwed into band hexagonal cave and stoping defined position on the bolt 131, by tightening by force in diametric(al) or direction of principal axis, is fixed on this defined position.The diameter of this circular nut 132 is made a little shorter than the bond length (width over sides of car body direction) of the slotted hole 140a of sliding part 140.This is because when guaranteeing as the guide member in the slotted hole 140a of circular nut 132 mobile, improve setting accuracy as much as possible with respect to the wheel shield framework support 103 width over sides of car body direction installation sites of mudwing 102.And, replace circular nut 132, for example, use hexagon or octagon so that polygon nut all can.In this case, as this polygon nut, best be to use and the inside face of the slotted hole 140a of sliding part 140 between do not produce the bolt of the diameter in big gap.Also have, circular nut 132 stops the fixing of bolt 131 to band hexagonal cave, replaces tightening, and uses the mode that adds welding of tightening.
Above-mentioned concluding with nut part 133 is to be made of the nut of usheing to seat, be screwed into band hexagonal cave and stop the above-mentioned defined of becoming of bolt 131 (bolt axial region) at interval behind the position of y, by with the 133a of seat portion gently the compression diameter direction be temporarily fixed at this position.This is hinged, is to be monomer with bolt coupling part 112, and the vibrations degree the when state that perhaps screws in welded nut 111 is transferred next process can not cause moving on the axle, and, as long as can rotating once more, conclude serviceable tool etc. with nut part 133.And, shift under the situation of circular nut 132 opposite sides just in case conclude with nut part 133, this is concluded with nut part 133 do not stop bolt 131 to come off, stop in band hexagonal cave on the opposite side end (having formed the end face of hexagonal cave 131a one side) of circular nut 132 of bolt 131 stop to be set or pin gets final product from band hexagonal cave.
Next, the method that mudwing 102 is installed to wheel shield framework support 103 is described.
At first,, settle, close position and the through hole 102b of installed in front portion 110 and the position of slotted hole 103b respectively through hole 102a, the 103a of rear side installation portion 120 from the top of wheel shield framework support 103 with the flange part 102f of mudwing 102.
Next, fixing rear side installation portion 120.Just, the welded nut 111 from through hole 102a, 103a top inserting bolt 122, this bolt 122 and wheel shield framework support 103 lower surfaces of the rear side installation portion 120 of mudwing 102 and wheel shield framework support 103 screws, mudwing 102 is concluded is fixed on the wheel shield framework support 103.
Next, carry out the operation of installed in front portion 110.Just, at first, as shown in figure 29, in the slotted hole 102b of the flange part 102f of mudwing 102, embed sliding part 140.The thickness h 1 (highly) of this sliding part 140, as shown in figure 31, the thickness h 2 (the periphery thickness of slotted hole 102b) that makes than the end difference 102c of mudwing 102 is big.The upper end of sliding part 140 more projects upwards than the upper surface of the end difference 102c of mudwing 102 when thus, embedding slotted hole 102b.
Next, when the band hexagonal cave that penetrates bolt coupling part 112 from the top (from mudwing 102 1 sides) of the through hole 103b of the slotted hole 102b of mudwing 102 and wheel shield framework support 103 stops bolt 131, inner-hexagon spanner is embedded 131a rotating band hexagonal cave, hexagonal cave stop bolt 131, just with bolt coupling part 112 integral body, stop the center shaft rotation on every side of bolt 131 along band hexagonal cave, stop bolt 131 to screw in the welded nut 111 of wheel shield framework support 103 lower surfaces in band hexagonal cave.And,, last till that the circular nut 132 of bolt coupling part 112 is crimped onto till the wheel shield framework support 103 with this action.
Under such crimped status, concluding between the end difference 102c that closes mudwing 102 with nut part 133, generated such as shown in figure 29 gap z, concluded the above-mentioned defined y at interval that closes circular circular nut 132 with nut part 133 in order to generate such gap z, to have set.Also have, above-mentioned concluding, under above-mentioned crimped status, be not temporarily fixed at the position that contacts (concluding) with above-mentioned sliding part 140 with also having the gap between nut part 133 and the sliding part 140 with nut part 133.
Next, the car load of left and right sides mudwing 102 and other metallic panelling parts (cover 104, left and right sides door-plate 105 etc.) will be installed, be transported to the sprayed paint zone along manufacturing line.At this moment, in this reference implementation mode, the circular bolt 132 of bolt coupling part 112 is crimped on the wheel shield framework support 103 as previously mentioned, bolt coupling part 112 is fixedly mounted on the wheel shield framework support 103, and, conclude with nut part 133, stop bolt 131 working fastenings by band hexagonal cave, even if in working fastening on the wheel shield framework support 103 produce vibrations under the state of mudwing 102 during in vehicles drive, can prevent from also that bolt coupling part 112 integral body from coming off or concluding with nut retainer parts 133 from wheel shield framework support 103 to come off from band hexagonal cave prevention bolt 131.
And, next,, carry out the sprayed paint operation that a succession of operation such as sprayed paint, paint film baking, paint film drying, cooling forms to the car load that comprises mudwing 102 grades in the sprayed paint zone.Temperature height (for example about 180 ℃) when paint film bake out temperature at this moment, the ratio of setting are the baking of mudwing 102 paint film.This be because, for carrying out paint film baking really to other metallic panelling parts.
As mentioned above, when above-mentioned sprayed paint operation, mudwing 102, because be resinous, when paint film baking and paint film drying,, in cooling thereafter, produce and shrink, at this moment than in the big expansion of metal wheel shield framework support 103 generations, in the installed in front portion 110, conclude with having the gap between nut part 133 and the mudwing 102 and concluding and do not contact with slide unit 140 with nut part 133.Just, when mudwing 102 and wheel shield framework support 103 are not concluded fully, bolt coupling part 112 penetrates the slotted hole 102b (the slotted hole 140a of slide unit 140) of mudwing 102, so, when paint film baking in the sprayed paint operation and paint film are dry, the words that mudwing 102 expands significantly, front portion one side of this mudwing 102, by the guiding of the circular bolt 132 of the embedding slotted hole 102b (slotted hole 140a) that is arranged on this front portion, move along the F direction with respect to wheel shield framework support 103 according to being the reference position with rear side installation portion 120 shown in the imaginary line of Figure 29.On the other hand, during thereafter cooling, mudwing 102 shrinks, and its anterior side relative wheel backplate framework support 103 on the contrary moves along the R direction.Just, allowed because expansion significantly and the contraction that the heat mudwing 102 during the sprayed paint operation produces, its result has prevented the residual of the distortion of bending etc. of mudwing 102 or internal stress.
After finishing above-mentioned sprayed paint operation,, will conclude and be screwed into final condition with nut part 133 mudwing 102 is fixed on the wheel shield framework support 103 as Figure 30 and shown in Figure 31.In this case, in this reference implementation mode, as mentioned above, in the inboard embedding of the slotted hole 102b of mudwing 102 metallic slide unit 140, the thickness of this slide unit 140 (highly) h1, bigger than the thickness of the end difference 102c of mudwing 102, so will conclude when screwing in nut part 133, when conclude touch the upper surface of slide unit 140 with nut part 133 after, be crimped by concluding with nut part 133 slide units 140.Thereby, on the slotted hole 102b periphery (end difference 102c etc.) of mudwing 102, can not add the excessive power of concluding, also just prevented the damage of this mudwing 102 etc.And, among Figure 31, different for the thickness h 2 of the end difference 102c of the thickness h 1 of representing slide unit 140 and mudwing 102, exaggerated its difference put down in writing, but, in fact, can not produce groove (gutter) between mudwing 102 and the wheel shield framework support 103, and mudwing 102 is good for the situation of the difference that can slide with respect to wheel shield framework support 103.
Also have, in this reference implementation mode, after the sprayed paint operation is finished, finally fixing by mudwing 102 is carried out for wheel shield framework support 103, just can prevent swell increment and the distortion that differ from these mudwing 102 inner generations that cause of amount of contraction or the residual generation of internal stress owing to mudwing 102.
Have again, between the slotted hole 102b of slide unit 140 and mudwing 102, be provided with and absorb the expansion that causes owing to natural temperature Change along the car body fore-and-aft direction and the gap of contraction, so, mudwing 102, after being installed on the wheel shield framework support 103, even if, also can absorb this expansion and contraction preferably owing to the variation of natural temperature produces expansion and contraction.
(the second reference implementation mode)
Next, the second reference implementation mode is described.And, there are the formation of the installed in front portion of difference in center explanation and the above-mentioned first reference implementation mode, and the explanation of the formation of the essential structure of the vehicle 101 the same with the first reference implementation mode, mudwing 102, wheel shield framework support 103, rear side installation portion 120 and slide unit 140 is omitted.When explanation, when mentioning these members, the content illustrated with the first reference implementation mode adopts identical symbol.The 3rd reference implementation mode described later also is the same.
Figure 32, represent the second reference implementation mode, in the installed in front portion 150 of this second reference implementation mode, constitute the welded nut 151 of body part one side fastener, on the face relative that is arranged on wheel shield framework support 103, be arranged on through hole 103b and welding that cylindrical portion 151a on these welded nut 151 bottom surfaces embeds wheel shield framework support 103 with mudwing 102.
Also have, bolt coupling part 152, the same with the above-mentioned first reference implementation mode, have band hexagonal cave and stop bolt 161, screw in that this band hexagonal cave stops the circular nut 162 of bolt 161, this circular nut 162 separates defined concluding of screwing in of y ' used nut part 163 at interval relatively.Having implemented the riveted joint the same with the first reference implementation mode on these two nuts 162,163 handles.Also have, circular nut 162, just welded nut 151 makes thin at the segment thickness of the outstanding mudwing 102 in mudwing 102 opposites of wheel shield framework support 103.
Also have, conclude, be set at as follows with the defined interval y ' of nut part 163 with circular nut 162.Just, as shown in figure 33, in the welded nut 151 with above-mentioned wheel shield framework support 103 embeds the slotted hole 140a of slide units 140 under the state of (just the slotted hole 102b of mudwing 102 in) coincidence wheel shield framework support 103 and mudwing 102, the band hexagonal cave of bolt coupling part 152 is stoped bolt 161, penetrate the welded nut 151 of slotted hole 140a (just passing the slotted hole 102b of mudwing 102) the screw-in wheel shield framework support 103 of slide unit 140 from mudwing 102 1 sides, thus, circular nut 162 is crimped onto on the welded nut 151, in this state, conclude with producing gap z ' between the end difference 102c of nut part 163 and mudwing 102 for making, set defined y ' at interval.Also have, under above-mentioned crimped status, make to conclude not contact slide unit 140 with nut part 163.
Therefore, even if in the second reference implementation mode, also the same with the first reference implementation mode, when being installed, the vehicles drive under the state of mudwing 102 produces vibrations etc. exactly on wheel shield framework support 103, also can prevent that bolt coupling part 152 is whole or conclude come off with nut part 163 in, in the time of can also allowing mudwing 102 to expand with respect to wheel shield framework support 103, moving of F direction shown in the hypothesis line of Figure 33, during contraction the R direction move because the expansion and the contraction of the mudwing 102 that the heat during the sprayed paint operation causes.
Next, after the sprayed paint operation is finished, screw in by concluding with nut part 163, mudwing 102 is fixed on the wheel shield framework support 103.And, even if in the second reference implementation mode, also be between the slotted hole 102b of slide unit 140 and mudwing 102, to be provided with the absorbing of car body fore-and-aft direction because of natural temperature changes the expansion cause and the gap of contraction, so can absorb well because expansion and the contraction that natural temperature changes.
And, especially according to this second reference implementation mode, because welded nut 151 protrudes in the slotted hole 102b (the slotted hole 140a of slide unit 140) of mudwing 102, so this welded nut 151 also can be taken as the guiding guide member that moves of mudwing 102 and utilize.
(the 3rd reference implementation mode)
Next, the 3rd reference implementation mode is described.
Figure 34, represent the 3rd reference implementation mode, in the installed in front portion 170 of this 3rd reference implementation mode, on wheel shield framework support 103, through hole is not set, what replace it is, this wheel shield framework support 103 with respect to the face of mudwing 102 on by the vertically disposed thru-bolt 171 of welding.
Also have, bolt coupling part 172 has central portion 182, relative this central portion 182 of being with hexagonal cave prevention bolt 181, being fixed on these prevention bolt 181 1 ends, band hexagonal cave (end of an opposite side with the hexagonal cave) and separates defined y at interval " concluding of screw-in use nut part 183.Conclude with on the 183a of seat portion of nut part 183 at this, implemented the riveted joint the same and handled with the first reference implementation mode.Also have, stoping on the face (lower surface) of bolt 181 opposite sides with band hexagonal cave of central portion 182 is provided with the nut portions 182a that can screw in above-mentioned thru-bolt 171.
Also have, conclude with the defined interval y of nut part 183 with central portion 182 ", be set at as follows.Just, as shown in figure 35, in the thru-bolt 171 with above-mentioned wheel shield framework support 103 embeds the slotted hole 140a of slide units 140 under the state of (just the slotted hole 102b of mudwing 102 in) above-mentioned wheel shield framework support 103 of coincidence and mudwing 102, nut portions 182a with the central portion 182 of bolt coupling part 172, screw in above-mentioned thru-bolt 171, central portion 182 is crimped onto on the wheel shield framework support 103, in this state, conclude with producing gap z between the end difference 102c of nut part 183 and mudwing 102 for making ", set defined y at interval ".Also have, under above-mentioned crimped status, make to conclude not contact slide unit 140 with nut part 183.
Therefore, even if in the 3rd reference implementation mode, also the same with first and second reference implementation mode, when being installed, the vehicles drive under the state of mudwing 102 produces vibrations etc. exactly on wheel shield framework support 103, also can prevent that bolt coupling part 172 is whole or conclude come off with nut part 183 in, in the time of can also allowing mudwing 102 to expand with respect to wheel shield framework support 103, moving of F direction shown in the hypothesis line of Figure 35, during contraction the R direction move because the expansion and the contraction of the mudwing 102 that the heat during the sprayed paint operation causes.
And, after the sprayed paint operation is finished, screwing in by concluding with nut part 183, mudwing 102 is fixed on the wheel shield framework support 103.And, even if in the 3rd reference implementation mode, also be between the slotted hole 102b of slide unit 140 and mudwing 102, to be provided with the absorbing of car body fore-and-aft direction because of natural temperature changes the expansion cause and the gap of contraction, so can absorb well because expansion and the contraction that natural temperature changes.
And, especially according to this 3rd reference implementation mode, in installed in front parts 170, because do not need to be provided with through hole on the wheel shield framework support 103, so, omitted the perforation operation.
And, in above-mentioned first to the 3rd reference implementation mode, bolt member with bolt coupling part 112 (152,172), be to stop bolt 131 (161,181) and circular nut 132 (162) or two kinds of component set-ups of central portion 182 by band hexagonal cave, but, the formation that replaces two kinds of such parts, as shown in figure 36, make by cutting parts, constitute the bolt coupling part with bolt member 190 and also can with bolt shaft portion 191, large-diameter portion 192 and bolt member one side bolt part 193.
Also have, in above-mentioned each reference implementation mode, the situation of the mudwing 102 of resin system panelling parts being installed on as the wheel shield framework support 103 of body part has been described, still, be applicable to that door-plate 105 (panelling of side door) also is possible.
Have again, installation constitution and the related resin system panelling parts of installation method that above-mentioned each reference implementation mode has illustrated, just do not constitute the panelling of vehicle outside face, constitute instrument carrier panel or other panellings of car body inside face, can be suitable for widely so long as be installed to the resin system panelling parts that carry out later high temperature operations such as sprayed paint on the car body.
Claims (9)
1. the installation constitution of resin vehicle panel parts is installed this resin vehicle panel parts to body part, on above-mentioned body part, is provided with the body part one side fastener that has formed one of bolt or nut; The position corresponding to above-mentioned body part one side fastener on above-mentioned resin system panelling parts is formed with slotted hole along the direction that allows this resin system panelling parts thermal deformation, it is characterized by:
This installation constitution utilization is concluded parts above-mentioned resin vehicle panel parts is installed on the above-mentioned body part, and this is concluded parts and has: the bolt axial region; Be arranged on an end of this bolt axial region and insert the first diameter portion of above-mentioned slotted hole; And be arranged on this first diameter portion and the end face opposite side of above-mentioned bolt axial region and conclude parts one side fastener with above-mentioned body part one side fastener screws,
Above-mentioned first diameter portion is above-mentionedly concluded parts one side fastener and above-mentioned body part one side fastener screws by making, and is crimped on the above-mentioned body part.
2. the installation constitution of resin vehicle panel parts according to claim 1 is characterized by:
On the above-mentioned bolt axial region of concluding parts, be provided with the second largest diameter portion also bigger than the diameter of above-mentioned first diameter portion.
3. the installation constitution of resin vehicle panel parts according to claim 2 is characterized by:
Under above-mentioned crimped status, produce gapped between above-mentioned second largest diameter portion and the resin system panelling parts.
4. the installation constitution of resin vehicle panel parts according to claim 2 is characterized by:
In the slotted hole of above-mentioned resin system panelling parts, embedded the framework liner component also higher than the compression creep intensity of these resin system panelling parts,
On the above-mentioned liner component, be formed with and insert above-mentioned first slotted hole and second slotted hole that inserts above-mentioned second largest diameter portion of concluding the first diameter portion of parts, above-mentioned first slotted hole is connected on the thickness direction of this liner component mutually with above-mentioned second slotted hole and forms along the slotted hole of above-mentioned resin system panelling parts simultaneously
The thickness of the part of above-mentioned first slotted hole of the formation of above-mentioned liner component is designed to the thickness of the part of the above-mentioned slotted hole of formation of above-mentioned resin system panelling parts basic identical.
5. the installation constitution of resin vehicle panel parts according to claim 1 is characterized by:
The thermal contraction restrictions that also comprises the above thermal contraction of specified amount that limits above-mentioned resin system panelling parts.
6. the installation constitution of resin vehicle panel parts according to claim 5 is characterized by:
Above-mentioned thermal contraction restrictions is constituted as by screwing the contacting of the end of concluding the parts and the slotted hole of above-mentioned resin system panelling parts of above-mentioned body part one side fastener, and limits the above thermal contraction of defined amount of above-mentioned resin system panelling parts.
7. the installation method of resin vehicle panel parts is installed this resin vehicle panel parts to body part, it is characterized by:
Comprise:
The operation of the body part one side fastener that has formed one of nut or bolt is set on above-mentioned body part;
At the position corresponding to above-mentioned body part one side fastener of above-mentioned resin system panelling parts, form the operation of slotted hole along the direction of the thermal deformation that allows these resin system panelling parts;
The operation of parts is concluded in making, and this is concluded parts and have the bolt axial region, is arranged on this bolt axial region one end and can insert the first diameter portion of above-mentioned slotted hole and be arranged on this first diameter portion and the end face opposite side of above-mentioned bolt axial region and can conclude parts one side fastener with above-mentioned body part one side fastener screws;
After aiming at the position of above-mentioned body part one side fastener and slotted hole, make under the state that above-mentioned body part and resin system panelling parts overlap, by the above-mentioned parts one side fastener of concluding is passed above-mentioned slotted hole and above-mentioned body part one side fastener screws from resin system panelling parts one side, above-mentioned first diameter portion is crimped on the operation of body part;
Under the state that above-mentioned first diameter portion is crimped onto on the body part, carry out operation to the defined operation of resin system panelling parts heating;
After the operation of having carried out above-mentioned defined operation, screw to conclude to the above-mentioned bolt axial region of concluding parts and use nut part, by the operation of fixing above-mentioned body part of this nut part and resin system panelling parts.
8. the installation method of resin vehicle panel parts according to claim 7 is characterized by:
On the above-mentioned bolt axial region of concluding parts, be provided with the second largest diameter portion bigger than the diameter of above-mentioned first diameter portion,
Above-mentioned first diameter portion is being crimped under the state of body part, is producing gapped between above-mentioned second largest diameter portion and the resin system panelling parts.
9. according to the installation method of claim 7 or 8 described resin vehicle panel parts, it is characterized by:
To the defined operation of above-mentioned resin system panelling parts heating, be the paint film drying operation behind the sprayed paint.
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Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
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US7713011B2 (en) * | 2007-01-25 | 2010-05-11 | Sherex Fastening Solutions, Llc | Fastener assembly having marginal end portion of body deformed about captured nut |
JP2011031650A (en) * | 2009-07-30 | 2011-02-17 | Faltec Co Ltd | Resin molded component for automobile |
CN102336232B (en) * | 2010-07-26 | 2013-05-08 | 上海新安汽车隔音毡有限公司 | Manufacture of resin felt part for outer side of front wall of vehicle |
DE102014203761A1 (en) | 2014-02-28 | 2015-09-03 | Bayerische Motoren Werke Aktiengesellschaft | Method for mounting a component made of a fiber composite material in the power flow of a clamping connection |
JP6433692B2 (en) * | 2014-06-17 | 2018-12-05 | 株式会社日本クライメイトシステムズ | Member mounting structure |
JP6016981B1 (en) * | 2015-05-19 | 2016-10-26 | 株式会社青山製作所 | Case nut |
CN107416038B (en) * | 2016-05-24 | 2024-02-13 | 上汽通用五菱汽车股份有限公司 | Mounting structure of upper mounting plate bracket |
EP3589849A1 (en) * | 2017-03-01 | 2020-01-08 | Ford Global Technologies, LLC | Method of assembly for 3d printed vehicle architecture, joints |
JP6834859B2 (en) * | 2017-09-05 | 2021-02-24 | トヨタ自動車株式会社 | Member mounting structure |
CN110319082B (en) * | 2018-03-30 | 2022-01-04 | 株式会社本田阿克塞斯 | Fixing structure |
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2006
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