CN101195385B - Posterior frame accessory installing member of hydraulic forming frame - Google Patents
Posterior frame accessory installing member of hydraulic forming frame Download PDFInfo
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- CN101195385B CN101195385B CN200610162155A CN200610162155A CN101195385B CN 101195385 B CN101195385 B CN 101195385B CN 200610162155 A CN200610162155 A CN 200610162155A CN 200610162155 A CN200610162155 A CN 200610162155A CN 101195385 B CN101195385 B CN 101195385B
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Abstract
Provided is a fitting installation device which is used for vehicles to connect auxiliary frame components and a medium rail of a lower car frame, and is formed by a pair of tubular components which are manufactured by a hydroforming process. Two tubular components form a pair of opposite half cylindrical grooves to receive cylindrical installation components in car frame structure. Holes are punched in the corresponding outer walls of a half cylindrical groove and a tubular component to receive the cylindrical installation components and mounting plates. The opposite half cylindrical grooves are taken as stop blocks, and the cylindrical installation components are located along the central line of the car frame structure. The mounting plates bestride the whole car frame structure and are supported by four thick walls, and provide stable installation structure for the auxiliary frame components. Holes are punched in the cylindrical installation components to receive fasteners which are used to install auxiliary frame components.
Description
Technical field
The present invention relates to the following vehicle frame rail of self-propelled vehicle, particularly a kind of being used for is installed in the installation assembly on the rail assembly of the hydraulic forming of being made up of a pair of parallel tubular part to the subframe structure.
Background technology
Following vehicle frame rail in the self-propelled vehicle is supporting the centre portion of motor-vehicle chassis, and cantilever support is provided for the rear bumper assembly.According to tradition, the rear bumper assembly comprises horizontal bumper/spoiler, and following vehicle frame rail is connected to play bumper/spoiler vehicle frame rail, is connected to time vehicle frame rail the suitable mounting bracket of rail with being used for.Back damping tower support unit is installed in above the rail, and traditional method is a rail structure of leaving single structure with the mode of cantilever.
The design of traditional automotive frame is to have the steel piece that manyly is contained on the vehicle frame, is used for the subframe assembly is installed in the reinforcement on the body frame structure for automotive to form.These reinforcements can not make vehicle frame deform when making the localised load on subframe structure or other secondary structure pass to body frame structure for automotive.Body frame structure for automotive is like forming of the following rail body frame structure for automotive that is made up of the tubular hydraulic forming assembly, because of the body frame structure for automotive of hydraulic forming is supporting and the subframe assembly is installed unique chance is provided.
Authorize in your the 2nd, 248, No. 344 the US Pat of (Rollie B.Rageol) of B Raj, Raleigh in January 1 nineteen twenty-nine, disclose and be used for handlebar device and be installed in traditional anchor clamps and support on the body frame structure for automotive; Authorize in July 8 nineteen forty-one in the 2nd, 248, No. 344 US Pats of Louis J Ai Pusi (Louis J.Epps), structural constituent is installed on the tubular beam assembly; Authorize the 2nd, 270, No. 533 US Pats of Joseph F Ka Lute (Joseph F.Knutte) January 20 nineteen forty-two; With authorized the 5th of William C good fortune celebrating (William C.Fortune) on June 1st, 1993; In 215, No. 343 US Pats, parts are installed on the bumper/spoiler assembly of non-tubular shape.Authorize in the 6th, 022, No. 070 US Pat that the pretty youth of reed name (Toshiro Ashina) waits on February 8th, 2000, teaching the clamping vehicle frame assembly and be welded in the attaching parts on the tubulose frame part.
Authorize on January 22nd, 1991 in the 4th, 986, No. 597 US Pats of dust literary composition L Ke Laoshen (Edvin L.Clausen), disclose the reinforcement that the hollow tubular parts are used as automotive frame's structure.Authorize automotive frame's assembly that your the 6th, 302, No. 478 US Pats of (Federico G.Jackel) etc. of Federico G Jack have disclosed hydraulic forming in October 16 calendar year 2001.In your body frame structure for automotive of Jack, the assembly of hydraulic forming is manufactured into flange, its at least can part around vehicle frame or subframe part, be connected with it, with convenient two assemblies through welding with the interaction of flange assembly.
This just need provide a kind of and be installed to down the device on the vehicle frame rail to the subframe structural constituent.Because following vehicle frame rail is led by pair of vertical; But the tubular assembly of horizontal positioned constitutes; So be specially adapted to the unique apparatus of the following vehicle frame rail structure of self-propelled vehicle, be particularly suitable for making with Hydroform process, can be used for back damping tower so stable supporting is provided.
Summary of the invention
The objective of the invention is to overcome the defective of known technology mentioned above, a kind of accessory fabricated section of the following vehicle frame rail structure support that is formed by a pair of tubular part is provided.
A characteristic of the present invention is that vehicle frame rail can be formed by Hydroform process down, improves and makes efficient.
Advantage of the present invention is that the following vehicle frame rail of hydraulic forming is formed and can accepts cylindrical subframe fabricated section structure in the inside of two-tube rail structure.
Another advantage of the present invention is that the accessory fabricated section can be welded in down on two tubular parts of vehicle frame rail, to increase the stability of subframe fabricated section.
It is that subframe fabricated section structure is supported by the outer wall of the following vehicle frame rail of hydraulic forming and the inwall that links together jointly that the present invention also has another feature.
Another feature of the present invention is that the inwall of double-tube lower vehicle frame rail structure is formed with a semi-cylindrical groove, to accept the cylindrical subframe fabricated section along rail structure centre line.
Another advantage of the present invention is to drill an opening in the rail structure, so that the accessory fabricated section can inject the rail structure.
Another feature of the present invention is on a tubular part of rail structure, to punch so that cylindrical subframe fabricated section can insert wherein; And relative semi-cylindrical groove is the cross motion of accessory fabricated section block is provided, with the position of accurate location and installation part on rail structure centre line.
Another feature of the present invention is that the cylindrical parts of accessory fabricated section is perforated, to accept being installed in the structural fastener of rail to the subframe parts.
Another advantage of the present invention is, the accessory erecting device can be used between any tubular part that links together, forms the hydraulic forming that sub-component need be installed above that.
It is that the accessory erecting device has been got rid of traditional required reinforcement buckling piece of installation sub-component on automotive frame's structure that is used for that the present invention also has another feature.
Another feature of the present invention is that the adapter plate of subframe erecting device is being supported by four wall thickness in the twin-tube stent structure, has reduced weight, still for the subframe on the body frame structure for automotive solid supporting is provided.
Another object of the present invention is to provide a kind of accessory erecting device that is used for two-tube body frame structure for automotive, its structure durable is made cheaply, and is easy to assembly, uses effectively simple.
Of the present invention these with other purpose; Feature and advantage are achieved according to the present invention; A kind of accessory erecting device promptly is provided, and on the following vehicle frame rail structure that is connected to the subframe assembly automotive frame, it passes through the Hydroform process manufacturing by a pair of tubular part.
Two tubular parts are formed with a pair of relative semi-cylindrical groove in order to be received in the cylindrical fabricated section in the body frame structure for automotive.Perforation is to accept cylindrical fabricated section and adapter plate in the corresponding outer wall of a semi-cylindrical groove and tubular part.Relative semi-cylindrical groove as block with the location along the cylindrical fabricated section of body frame structure for automotive line of centers.Adapter plate is supporting across whole vehicle frame and by four wall thickness, for the subframe assembly provides stable mounting structure.Perforation is to accept to install the fastener of subframe parts on cylindrical fabricated section.
Description of drawings
Hereinafter especially combines accompanying drawing to detailed disclosure of the present invention, will make advantage of the present invention more obvious.
Fig. 1 is according to principle of the present invention, the single component bumper/spoiler of the rear cycle frame structure of formation self-propelled vehicle and the birds-eye view of following vehicle frame rail structure;
Fig. 2 is the lateral plan of bumper/spoiler and following vehicle frame rail among Fig. 1;
Fig. 3 is the upward view of bumper/spoiler and following vehicle frame rail among Fig. 1;
Fig. 4 be a tubular part part that constitutes rail is open circuited, make erecting device see the clearer partial enlarged drawing of vehicle frame rail down;
Fig. 5 is the upward view of the amplification of following vehicle frame rail, and expression is in order to the opening in the rail of strips for joint parts erecting device;
Fig. 6 is the following partial cross section figure of vehicle frame rail amplification of 6-6 line in Fig. 2, representes the cutaway view of accessory erecting device in accordance with the principles of the present invention;
Fig. 7 is the elevation drawing at the following vehicle frame rail Outboard Sections at erecting device place;
Fig. 8 is the elevation drawing of vehicle frame rail inside part under the erecting device place.
The specific embodiment
See figures.1.and.2, can see, bumper/spoiler and following vehicle frame rail comprise damping tower bearing set, constitute the part of automotive frame's rearward end, and have used principle of the present invention.Automotive frame 10 preferably is made up of the tubular part of hydraulic forming.This tubular part can use spot welding and/or fusing level inert-gas welding (Melt Inert Gas is hereinafter to be referred as MIG) to form the one frame assembly of vehicle rear end.
Hydraulic forming is a kind of job operation, and this method places mould with the tubing member of standard, and the shape of mould is consistent with the specific features that will form, and is also corresponding with the required particular cross section of Vehicle Frame Design.Also pressurize at the inner fluid that adds of pipe fitting then, expand into the determined shape of mould until tubing.The pipe fitting of having expanded and having reshaped has different basically shapes now.Through on the pipe fitting that reshapes, forming opening and other gangways, spot-wedling electrode can obtain the path relative with sides adjacent, forms the weld nugget between the parts arranged side by side.Can take this mode, utilize the hydraulic forming pipe fitting to form for example most of vehicle frame of self-propelled vehicle.The person of ordinary skill in the field will easily find at manhole appendix the disadvantageous zone of the integraty of body frame structure for automotive to be needed some MIG welderings.This MIG soldering method is preferably in assembly or supplier's aspect is accomplished.
In the motor vehicle rear vehicle frame 10 that accompanying drawing is represented, safety lever 15 is formed by the hydraulic forming part of welding.Similarly, connect safety lever 15 and also form by the hydraulic forming pipe fitting from this following vehicle frame rail 20 of giving prominence to forward.Damping tower bracket component 25 is the given shape that forms of punching press and be installed in down vehicle frame rail 20 preferably, will describe in detail it below.
Following vehicle frame rail 20 is formed by two hydraulic forming pipe fittings 21,22, and it has at the tail end of parts 21,22 corresponding first longitudinal extension part 23 welded together, and welding is preferably along the MIG weldering of the seam of basic horizontal between the parts 21,22.In Fig. 1 and 5, see the most clearly, following vehicle frame rail structure 20 has the interior vertical connecting panel 24 by the adjacent wall formation of two pipe fittings 21,22, and is the same with the direction of exterior part 21 and inner component 22.Compare with traditional pipe fitting, interior connecting panel 24 has increased the intensity and the hardness of time vehicle frame rail 20 substantively.
The position of longitudinal extension part 23 is in order to connect bumper/spoiler 15, will to describe in more detail it below.In longitudinal extension part 23 fronts, two pipe fittings were opened in 21,22 minutes, had confirmed furcation 28, between two parts 21,22, the lateral separation were provided.At this tapping point place, damping tower support unit 25 preferably is fixed by welding in above two pipe fittings 21,22.Pipe fitting 21,22 is converged to second longitudinal extension part 29 forward from above-mentioned furcation 28.
That in Fig. 3, sees is the clearest, at least one contiguous damping tower support unit 25 traverse frame part 30 will pass in suitable openings 27 in the pipe fitting 22, engage outer tube member 21 make parts 21,22 all with traverse frame part 30 welding.This shape will increase the hardness of traversing vehicle of vehicle frame 10, also for damping tower support unit 25 firm connection will be provided.Interior preferably the convergence with outer tube member 21,22 so that vehicle frame rail 20 is extended forward with interior vertical connecting panel 24 down is as shown in the longitudinal extension part 23 of back.
Bumper/spoiler 15 can be made up of two hydraulic forming parts 16,17, wherein goes up pipe fitting 16 and is positioned on the following pipe fitting 17.The shape of bumper/ spoiler pipe fitting 16,17 preferably can form two unit bumper/spoiler 15 along the extension seam MIG welding of basic horizontal with the curve part that is positioned at the back 18 and relative two pipe fittings 16,17 of the identical in fact leg of installation leg 19.Form pipe fitting through hydraulic forming and allow to introduce deformation triggers device (not shown), the break that just the guiding bumper/spoiler is out of shape with the mode of regulation when meeting with the bump load.
From Fig. 1, see the most clearly; The formation of fabricated section leg 19 front ends cooperates with double-tube lower vehicle frame rail 20, tubular part 16; 17 respectively are formed with the end 35 that dwindles; Its size is fit to the space between the vehicle frame rail 20 interior outer side edges down, and the remainder of fabricated section leg 19 forms geometric match with the longitudinal extension part 23 of following vehicle frame rail 20.Consequently, vehicle frame rail 20 rearward end made that the shape of vehicle frame 10 is unanimous on the whole under the end 35 that dwindles inserted, and the overall width of bumper 15 and total depth equate with the overall width and the total depth of following vehicle frame rail 20 in fact.
Following vehicle frame rail 20 also is used to supporting and must be installed on the vehicle frame, to obtain suitably each subframe assembly of supporting.Therefore, can be clear that following vehicle frame rail 20 is manufactured into and comprises the subframe accessory fabricated section 40 that is positioned at following vehicle frame rail 20 line of centerss from all accompanying drawings, particularly Fig. 5-8, hereinafter will specify.Subframe accessory fabricated section 40 is made up of the flat adapter plate 44 with vertical cylindrical installing component 42 of giving prominence to.Preferably there is individual pin hole 43 centre of cylindrical installing component 42.
In order to accept subframe accessory 40, confirm respectively to be formed with semi-cylindrical groove 51,52 in the inwall 49,59 of interior vertical surface 24 of tubular part 21,22, when placing adjacent each otherly, form cylindrical recess or cavity, its size can be accepted cylindrical installing component 42.The formation of semi-cylindrical groove 51,52 also makes inwall 49,59 formation half round posts think that adapter plate 44 provides stable supporting.When forming semi-cylindrical groove 51,52, form gangway 53 at the lower surface of vehicle frame rail 20 down, it is aimed at, so that cylindrical fabricated section 42 can engage with fastener 46 with the pin hole 43 in the installing component 42.
For 20 li of the following vehicle frame rail that cylindrical installing component 42 and adapter plate 44 can be got into assemble, outer wall 58 is formed with inwall 52 or offers opening 55, so that cylindrical fabricated section 42 is installed into down the inside of vehicle frame rail 20.As long as outer wall and inwall upper shed at interior tubular part 22 let cylindrical installing component 42 pass through, subframe fabricated section 42 just is seated on the semi-cylindrical groove 51 that forms in the outer tubular member 21, as the block of location and installation parts 42.
On tubular part 21,22, all form another opening 56 that lets adapter plate 44 pass through.22 li of interior tubular parts, opening 56 forms with opening 55, the single opening that passes through by subframe fabricated section 40 as subframe.But, be used for the opening 56 of adapter plate 44, extend through the semi-cylindrical groove 51 that forms on the inwall 49 and through outer wall 48; So adapter plate 44 can be by the wall 48,49,58 of following vehicle frame rail 20; 59 each wall supporting; And at least with outer wall 48,58 weld togethers guaranteeing the fixing reliable of adapter plate 44, and be fixed on down cylindrical installing component 42 on vehicle frame rail 20 structures.
Subframe fabricated section 40 is not limited to and is used in down on the vehicle frame rail structure 20; Also can be used on other body frame structure for automotive; In this structure, can form a pair of parts that the semi-cylindrical groove of settling cylindrical installing component 42 is arranged; And the supporting of adapter plate 44 can be crossed at least two POSs like outer wall 48,58.
In the use, 40 assemblings as indicated above of subframe fabricated section and weldering fix on the supporting structure 20.Can pass external support parts 45 with fastener 46 by the subframe assembly of support 20 supporting engages and is fixed on the body frame structure for automotive 20 with the pin hole of cylindrical fabricated section 42 with the opening that extends through 44 li of adapter plates.
What should know is that the person of ordinary skill in the field is after having read above-mentioned disclosure; For the details of describing with graphic explanation character of the present invention; Material, the change that can expect Yu make of step and part setting still belongs to the principle and scope of the present invention.Fwd is described expression preferred embodiment of the present invention; Yet, can use in other embodiments and not deviate from scope of the present invention with this notion that is described as the basis.
Claims (19)
1. the subframe fabricated section of automotive frame's parts; These automotive frame's parts have a pair of tubular part adjacent to each other; Make that each inwall of each tubular part is adjacent to each other, above-mentioned tubular part also has and the isolated relative outer wall of above-mentioned inwall, and said subframe fabricated section comprises:
Be fixed on the adapter plate and the cylindrical installing component of vertical projections; And
Above-mentioned cylindrical installing component is received in the cylindrical recess that forms in the above-mentioned tubular part inwall, and above-mentioned recess has the gangway of an ability from the outside entering of above-mentioned vehicle frame, so that fastener inserts above-mentioned cylindrical installing component.
2. subframe fabricated section according to claim 1 is characterized in that above-mentioned tubular part is formed with one first opening, passes above-mentioned inner and outer wall, to let above-mentioned adapter plate through above-mentioned tubular part.
3. subframe fabricated section according to claim 2 is characterized in that above-mentioned recess is to be made up of the semi-cylindrical groove that in each inwall of above-mentioned tubular part, forms.
4. subframe fabricated section according to claim 3; It is characterized in that the semi-cylindrical groove in above-mentioned tubular part is formed with second opening; To let above-mentioned cylindrical installing component get into above-mentioned recess; Said one outer wall in the above-mentioned tubular part is formed with the 3rd opening, to let above-mentioned cylindrical installing component laterally get into above-mentioned recess from above-mentioned vehicle frame outside.
5. subframe fabricated section according to claim 4; Above-mentioned cylindrical installing component and above-mentioned adapter plate it is characterized in that above-mentioned first, second opening and the 3rd opening are formed in said in the above-mentioned tubular part jointly, so that can be horizontally through said one in the above-mentioned tubular part.
6. subframe fabricated section according to claim 5; The above-mentioned inner and outer wall that it is characterized in that above-mentioned tubular part is supporting above-mentioned adapter plate; Above-mentioned adapter plate is welded on the above-mentioned outer wall of above-mentioned tubular part, so that above-mentioned subframe fabricated section is fixed on the above-mentioned vehicle frame.
7. vehicle frame rail assembly under the self-propelled vehicle comprises
Interior tubular part has inner tube wall and outer wall of inner tube;
Outer tubular member; Have and above-mentioned interior tubular part height and equal in fact outer tube wall and the outer tube outer wall of width dimensions; Above-mentioned inside and outside tubulose parts are welded together to form longitudinal extension part; Above-mentioned inner tube wall and outer tube wall are adjacent one another are, confirm a cardinal principle vertically to interior connecting panel;
Above-mentioned each inwall is formed with a semi-cylindrical groove, to aim at the cylindrical recess of confirming in the above-mentioned interior connecting panel;
Be supported on inner tube wall and the outer tube wall of outer wall of inner tube and outer tubular member and the adapter plate of outer tube outer wall of above-mentioned interior tubular part, and
Cylindrical installing component is arranged in above-mentioned cylindrical recess and by above-mentioned adapter plate supporting, crosses over inner tube wall and the outer tube wall of outer wall of inner tube and outer tubular member and any load of outer tube outer wall of above-mentioned interior tubular part in order to dispersion.
8. vehicle frame rail assembly down according to claim 7; It is characterized in that being formed with first opening at the inner tube wall of interior tubular part and the outer tube wall and the outer tube outer wall of outer wall of inner tube and outer tubular member; Let above-mentioned adapter plate pass through, to be supported on above-mentioned each inner and outer wall.
9. vehicle frame rail assembly down according to claim 8; It is characterized in that in an above-mentioned semi-cylindrical groove, being formed with second opening; Let above-mentioned cylindrical installing component laterally get into above-mentioned cylindrical recess; Have the 3rd opening formed thereon with an above-mentioned corresponding outer wall of semi-cylindrical groove, let above-mentioned cylindrical installing component laterally get into above-mentioned cylindrical recess.
10. vehicle frame rail assembly down according to claim 9 is characterized in that above-mentioned cylindrical installing component is fixed on the above-mentioned adapter plate.
11. down vehicle frame rail assembly according to claim 10, it is characterized in that above-mentioned adapter plate be fixed on above-mentioned on the above-mentioned outer tube outer wall of above-mentioned outer wall of inner tube and outer tubular member of tubular part.
12. vehicle frame rail assembly down according to claim 11; It is characterized in that above-mentioned cylindrical recess is formed with the gangway; Be formed with the adapter plate gangway on the above-mentioned adapter plate, let fastener insert in the pin hole of above-mentioned cylindrical installing component from the outside of above-mentioned interior tubular part and outer tubular member.
13. vehicle frame rail assembly down according to claim 12; It is characterized in that above-mentioned inner tube wall semi-cylindrical groove that forms and the corresponding outer wall that is formed with second opening are the parts of above-mentioned interior tubular part, the outer wall of above-mentioned outer tubular member only has first opening formed thereon.
14. method that the said subframe fabricated section of claim 1 is provided for automotive frame's parts; These automotive frame's parts comprise the tubular part of a pair of horizontal placement; Each tubular part all has inner and outer wall; Above-mentioned inwall is positioned at the position of mutual vicinity, confirms the interior joint face of above-mentioned automotive frame parts, and the method includes the steps of:
Form a semi-cylindrical groove at each inwall;
Aim at above-mentioned semi-cylindrical groove, in above-mentioned, form a cylindrical recess in the joint face; And
In above-mentioned cylindrical recess, place a cylindrical installing component, above-mentioned cylindrical installing component is fixed on the adapter plate by each above-mentioned inner and outer wall supporting.
15. method according to claim 14 is characterized in that also comprising:
Through above-mentioned each inner and outer wall of aiming at a step that lets first opening that above-mentioned adapter plate passes through is set.
16. method according to claim 15 is characterized in that also comprising:
Set up one second opening, the step that above-mentioned second opening forms with above-mentioned first opening in the corresponding above-mentioned outer wall in an above-mentioned semi-cylindrical groove and an above-mentioned tubular part.
17. method according to claim 16 is characterized in that above-mentioned step of in above-mentioned cylindrical recess, placing a cylindrical installing component comprises the following steps:
With above-mentioned adapter plate and horizontal first and second openings through an above-mentioned semi-cylindrical groove and an above-mentioned outer wall above-mentioned tubular part of above-mentioned cylindrical installing component, another above-mentioned semi-cylindrical groove is as the block of the side travel of above-mentioned cylindrical installing component.
18. method according to claim 17 is characterized in that also comprising:
Be welded on above-mentioned adapter plate on the two above-mentioned outer walls, to guarantee the fixing reliable of above-mentioned subframe fabricated section and above-mentioned vehicle frame.
19. method according to claim 18; It is characterized in that the subframe parts are connected with above-mentioned subframe fabricated section through fastener; This fastener passes through above-mentioned subframe parts and the gangway that in forming the step of above-mentioned semi-cylindrical groove, forms; And align with above-mentioned cylindrical installing component, with above-mentioned cylindrical installing component in pin hole engage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610162155A CN101195385B (en) | 2006-12-05 | 2006-12-05 | Posterior frame accessory installing member of hydraulic forming frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610162155A CN101195385B (en) | 2006-12-05 | 2006-12-05 | Posterior frame accessory installing member of hydraulic forming frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101195385A CN101195385A (en) | 2008-06-11 |
| CN101195385B true CN101195385B (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610162155A Expired - Fee Related CN101195385B (en) | 2006-12-05 | 2006-12-05 | Posterior frame accessory installing member of hydraulic forming frame |
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| Country | Link |
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| CN (1) | CN101195385B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985412B (en) * | 2017-12-28 | 2023-06-02 | 东风商用车有限公司 | Pocket beam support for independent suspension of commercial vehicle |
| CN109590676A (en) * | 2018-11-02 | 2019-04-09 | 陈志城 | A kind of preparation process of novel hydraulic molding trolley |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3874624A (en) * | 1973-11-19 | 1975-04-01 | Caterpillar Tractor Co | Connector assembly |
| CN2070704U (en) * | 1990-02-23 | 1991-02-06 | 国营江陵机器厂 | Chassis frame for car |
| CN1578742A (en) * | 2001-11-07 | 2005-02-09 | 蒂森克鲁伯钢铁股份公司 | Longitudinal girder as part of a load bearing structure of a motor vehicle |
| CN1638998A (en) * | 2002-02-28 | 2005-07-13 | 蒂森克鲁伯钢铁股份公司 | Supporting structure for vehicles, made of hollow steel profiles |
-
2006
- 2006-12-05 CN CN200610162155A patent/CN101195385B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3874624A (en) * | 1973-11-19 | 1975-04-01 | Caterpillar Tractor Co | Connector assembly |
| CN2070704U (en) * | 1990-02-23 | 1991-02-06 | 国营江陵机器厂 | Chassis frame for car |
| CN1578742A (en) * | 2001-11-07 | 2005-02-09 | 蒂森克鲁伯钢铁股份公司 | Longitudinal girder as part of a load bearing structure of a motor vehicle |
| CN1638998A (en) * | 2002-02-28 | 2005-07-13 | 蒂森克鲁伯钢铁股份公司 | Supporting structure for vehicles, made of hollow steel profiles |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平10-16771A 1998.01.20 |
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| CN101195385A (en) | 2008-06-11 |
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