CN208530693U - Subframe and automobile - Google Patents

Abstract

The utility model provides a kind of subframe and automobile.Wherein, subframe includes: two crossbeams and two stringers；Two stringer parallel interval settings, two girder spaces are arranged between two stringers；The both ends of stringer offer mounting hole, and the both ends of crossbeam are threaded through respectively in the mounting hole of two stringer the same ends.Subframe and automobile provided by the utility model, by the way that two stringer parallel intervals are arranged, and two crossbeams are arranged between two stringers, the both ends of two stringers offer mounting hole, the both ends of crossbeam are threaded through respectively in the mounting hole of two stringer the same ends, the distance between two stringers is adjusted under the premise of keeping hard spot relationship in chassis constant, is improved the versatility of crossbeam and stringer, is reduced the development cost of subframe.

Description

Subframe and automobile

Technical field

The utility model relates to automobile technical field more particularly to a kind of subframes and automobile.

Background technique

With the continuous development of automobile, the comfort and operational stability of automobile are increasingly taken seriously.Suspension system is The general name of force transmission connections between the vehicle frame and tandem axle or wheel of automobile, function are that transmitting acts on wheel and vehicle Power and torque between frame, and buffer the impact force that uneven road surface passes to vehicle frame or vehicle body.Subframe is that formed automobile is outstanding The key member of frame system, accepts tandem axle and supporting suspension leverage, and main purpose is incoming, the raising for reducing road vibration The coupling stiffness of suspension.

Existing subframe includes U-shaped beam and the back rest, and the back rest is mounted on the left side and right edge of U-shaped beam as needed Suitable position.But since different vehicles has different wheelspans, therefore, it is necessary to manufacture the U-shaped beam of different size to match Different vehicle, so that the versatility of existing subframe is low.

Utility model content

The utility model provides a kind of subframe and automobile, solves the low technical problem of the versatility of existing subframe.

Subframe provided by the utility model includes two crossbeams and two stringers；Two stringer parallel interval settings, two A girder space is arranged between two stringers；The both ends of stringer offer mounting hole, and the both ends of crossbeam are threaded through two respectively In the mounting hole that stringer the same end is opened up.

Subframe as described above, wherein crossbeam includes crossbeam upper plate and crossbeam lower plate；Crossbeam upper plate is provided under first Flanging, crossbeam lower plate are provided with the first upper hem；Crossbeam upper plate and crossbeam lower plate are taken by the first lower hem and the first upper hem It is connected together.

Subframe as described above, wherein stringer includes stringer upper plate and stringer lower plate；Stringer upper plate is provided under second Flanging, stringer lower plate are provided with the second upper hem；Stringer upper plate and stringer lower plate are taken by the second lower hem and the second upper hem It is connected together.

Subframe as described above, wherein mounting hole is provided with the second upper hem, rolls on the second lower hem or second The junction on side and the second lower hem.

Subframe as described above, wherein the vehicle body mounting hole vertical with mounting hole is offered on stringer.

Subframe as described above further includes reinforcement structure, and one end and the crossbeam of reinforcement structure are fixed, reinforcement structure it is another One end is fixed with stringer.

Subframe as described above, wherein reinforcement structure is reinforced pipe, and one end of reinforced pipe and crossbeam are socketed, reinforced pipe The other end extended to form upper overlap edge and lower overlap edge toward stringer direction, between upper overlap edge and lower overlap edge formed accommodate The overlapping regions of stringer.

Subframe as described above, wherein the guide rail and guide groove for guiding are provided between reinforced pipe and crossbeam.

Subframe as described above, wherein the mounting bracket for installing suspension leverage is welded on stringer.

The utility model also provides a kind of automobile, including vehicle body, and body bottom is equipped with subframe as described above.

Subframe and automobile provided by the utility model, by the way that two stringer parallel intervals are arranged, and by two crossbeams It is arranged between two stringers, the both ends of two stringers offer mounting hole, and the both ends of crossbeam are threaded through two stringers respectively In the same section of mounting hole opened up, realize keep chassis hard spot relationship it is constant under the premise of adjust two stringers between away from From improving the versatility of crossbeam and stringer, reduce the development cost of subframe.

Detailed description of the invention

By referring to accompanying drawing described in detail below, the above and other purpose of the utility model embodiment, feature and excellent Point will become more clearly understood from.In the accompanying drawings, by by example and it is unrestricted in a manner of multiple implementations to the utility model Example is illustrated, in which:

Fig. 1 is the utility model auxiliary frame structure schematic diagram；

Fig. 2 is the utility model auxiliary frame structure explosive view；

Fig. 3 is the utility model beam structure schematic diagram；

Fig. 4 is the utility model beam structure explosive view；

Fig. 5 is the utility model longitudinal beam structure schematic diagram；

Fig. 6 is the utility model longitudinal beam structure explosive view；

Fig. 7 is the utility model reinforced pipe structural schematic diagram；

Fig. 8 is the utility model mounting bracket of system of levers structural schematic diagram.

Description of symbols:

100: stringer；110: mounting hole；

120: vehicle body mounting hole；1: stringer upper plate；

11: installing hole；12: vehicle body upper installing hole；

13: the second lower hems；2: stringer lower plate；

21: installation lower opening；22: mounting hole under vehicle body；

23: the second upper hems；300: crossbeam；

310: stringer mounting portion；320: guide groove；

3: crossbeam upper plate；31: stringer upper mounting portion；

32: upper guide groove；33: the first lower hems；

4: crossbeam lower plate；41: stringer lower mounting portion；

42: lower guide channel；43: the first upper hems；

5: reinforced pipe；51: guide rail；

52: upper overlap edge；53: lower overlap edge；

54: overlapping regions；6: mounting bracket；

61: faying surface；62: leverage mounting hole.

Specific embodiment

With the continuous development of automobile, the comfort and operational stability of automobile are increasingly taken seriously.Suspension system is The general name of force transmission connections between the vehicle frame and tandem axle or wheel of automobile, function are that transmitting acts on wheel and vehicle Power and torque between frame, and buffer the impact force that uneven road surface passes to vehicle frame or vehicle body.Subframe is that formed automobile is outstanding The key member of frame system, accepts tandem axle and supporting suspension leverage, and main purpose is incoming, the raising for reducing road vibration The coupling stiffness of suspension.

Existing subframe includes U-shaped beam and the back rest, and the back rest is mounted on the left side and right edge of U-shaped beam as needed Suitable position.But since different vehicles has different wheelspans, therefore, it is necessary to manufacture the U-shaped beam of different size to match Different vehicle, so that the versatility of existing subframe is low.For this purpose, the utility model provides a kind of subframe, crossbeam and stringer Generalization degree it is high, the distance between two stringers are adjustable, the premise for keeping the relationship of chassis key installation point constant Under, convenient for the adjustment of vehicle wheelspan.

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

It should be noted that longitudinal in the present invention refer to body of a motor car length direction, laterally refer to vertical In body of a motor car length direction, i.e. X-direction in attached drawing 1.

Fig. 1 is the utility model auxiliary frame structure schematic diagram；Fig. 2 is the utility model auxiliary frame structure explosive view；Fig. 3 is The utility model beam structure schematic diagram；Fig. 4 is the utility model beam structure explosive view；Fig. 5 is the utility model stringer knot Structure schematic diagram；Fig. 6 is the utility model longitudinal beam structure explosive view；Fig. 7 is the utility model reinforced pipe structural schematic diagram；Fig. 8 is The utility model mounting bracket of system of levers structural schematic diagram.

Referring to Figures 1 and 2, subframe provided in this embodiment includes two crossbeams 300 and two stringers 100；Two vertical The setting of 100 parallel interval of beam, two crossbeams 300 are arranged at intervals between two stringers 100；The both ends of stringer 100 offer peace Hole 110 is filled, the both ends of crossbeam 300 are threaded through respectively in the mounting hole 110 of two 100 the same ends of stringer.

Specifically, subframe includes two identical crossbeams 300 and two identical stringers 100, and two crossbeams 300 are along vertical Be arranged to parallel interval, transversely parallel interval is arranged two stringers 100, and the setting of two crossbeams 300 two stringers 100 it Between, form the frame-shaped construction of a quadrangle.In order to enhance the structural strength of subframe, crossbeam 300 can be solid column Structure, such as cross section are rectangular plate construction, can be processed by techniques such as punching press, die forgings.Certainly, crossbeam 300 are also possible to hollow tubular structure, can mitigate the overall weight of vehicle frame, such as cross section is rectangular tubulose knot Structure can be integrally formed tubular structure, is also possible to upper and lower two plate and welds the tubular structure to be formed.In order to further Enhance the structural strength of subframe, stringer 100 can be solid column structure, such as cross section is rectangular plate knot Structure can be processed by techniques such as punching press, die forgings.Certainly, stringer 100 is also possible to hollow tubular structure, can subtract The overall weight of light car frame, such as cross section are rectangular tubular structure, can be integrally formed tubular structure, can also be with It is that upper and lower two plate welds the tubular structure to be formed.

The both ends of stringer 100 offer mounting hole 110, and the both ends of crossbeam 300 are threaded through two 100 the same ends of stringer respectively Mounting hole 110 in, form a frame shape subframe.One end of one crossbeam 300 is threaded through the mounting hole of a stringer 100 In 110, the other end is threaded through in the mounting hole 110 of another 100 phase the same end of stringer；Distinguish at the both ends of another crossbeam 300 It is threaded through in the mounting hole 110 of two 100 other ends of stringer.Crossbeam 300 includes the installation of intermediate beam body and beam body both ends Portion, mounting portion are inserted into mounting hole 110.Stringer 100 is reduced in order to avoid opening up biggish mounting hole 110 on stringer 100 The cross-sectional area of structural strength, the mounting portion of crossbeam 300 is smaller than the cross-sectional area of beam body.It can be on stringer 100 and crossbeam 300 The mounting structure connecting with vehicle body is set, such as mounting hole etc., this is not restricted.Stringer 100 and crossbeam 300 can be straight beam Structure is also possible to camber beam structure, to avoid the structure of automotive suspension or vehicle body.

Subframe top bottom-disc key point (i.e. chassis hard spot) is the association guaranteed between components during chassis design Control point determined by reconciliation assembly relation, there is important influence to the driving performance of automobile.In the present invention, referring to figure 1 and Fig. 8, chassis hard spot refer to the center of the leverage mounting hole 62 of mounting bracket 6, keep hard spot relationship in chassis constant, The distance between two mounting brackets 6 for guaranteeing the same stringer 100 remain unchanged.Subframe provided in this embodiment, Under the premise of keeping hard spot relationship in chassis constant, changes the position that crossbeam 300 is threaded through the mounting hole 110 of stringer 100, that is, change The distance between two stringers 100 can meet the different wheelspans of different vehicles, improve the versatility of subframe, that is, exist When processing, it is only necessary to process the i.e. composable secondary vehicle formed applied to multiple vehicle difference wheelspans of crossbeam 300 and stringer 100 Frame improves the generalization of crossbeam 300 and stringer 100, reduces the development cost of subframe, saves the development cycle.

After determining the distance between two stringers 100, two crossbeams 300 are fixedly connected with two stringers 100, can be with It is to be connected through a screw thread；Again alternatively, together with crossbeam 300 can be fixedly connected by welding with stringer 100, be e.g. brazed, Argon arc welding, electric resistance welding etc..

Subframe provided in this embodiment by the way that two stringer parallel intervals are arranged, and two crossbeams is arranged two Between a stringer, the both ends of two stringers offer mounting hole, and the both ends of crossbeam are threaded through the peace of two stringer the same ends respectively It fills in hole, the distance between two stringers is adjusted under the premise of keeping hard spot relationship in chassis constant, improves crossbeam and stringer Versatility, reduce the development cost of subframe.

Further, crossbeam 300 includes crossbeam upper plate 3 and crossbeam lower plate 4；Crossbeam upper plate 3 is provided with the first lower hem 33, Crossbeam lower plate 4 is provided with the first upper hem 43；Crossbeam upper plate 3 and crossbeam lower plate 4 pass through the first lower hem 33 and the first upper hem 43 overlap.

Specifically, crossbeam 300 includes crossbeam upper plate 3, and crossbeam upper plate 3 includes the crossbeam upper body that is laterally extended and in cross First lower hem 33 of two transverse sides of beam upper body setting, the first lower hem 33 are bent towards crossbeam lower plate 4, it is preferable that First lower hem 33 is integrally formed with crossbeam upper body, such as the first lower hem 33 can be with crossbeam upper body and be stamped and formed out, It is also possible to be formed by forging, herein with no restrictions.First lower hem 33 is perpendicular to crossbeam upper body, alternatively, the first lower folding Side 33 and crossbeam upper body are at obtuse angle.Crossbeam 300 further includes crossbeam lower plate 4, and crossbeam lower plate 4 includes lower, crossbeam be laterally extended Body and the first upper hem 43 formed in lateral two sides of crossbeam lower body, the first upper hem 43 are curved towards crossbeam upper plate 3 Folding.Preferably, the first upper hem 43 is integrally formed with crossbeam lower body.When on the first lower hem 33 and crossbeam of crossbeam upper plate 3 When ontology is vertical, the first upper hem 43 of crossbeam lower plate 4 is also vertical with crossbeam lower body；When the first lower hem of crossbeam upper plate 3 33 with crossbeam upper body at obtuse angle when, the first upper hem 43 of crossbeam lower plate 4 is also with crossbeam lower body at obtuse angle.

Crossbeam upper plate 3 is overlapped with crossbeam lower plate 4 by the first lower hem 33 and the first upper hem 43, and two first Fore-and-aft distance between lower hem 33 can be greater than the fore-and-aft distance between two the first upper hems 43, when overlap joint on two first Flanging 43 is located at the inside of two the first lower hems 33.Certainly, the fore-and-aft distance between two the first lower hems 33 can also be small Fore-and-aft distance between two the first upper hems 43, two the first upper hems 43 are located at two the first lower hems 33 when overlap joint Outside.Overlap joint can be gas welding overlap joint, arc welding overlap joint etc., be not specifically limited herein.The first lower folding that crossbeam upper plate 3 is arranged The first upper hem 43 that side 33 and crossbeam lower plate 4 are arranged increases the joint face between crossbeam upper plate 3 and crossbeam lower plate 4, enhances The stability that crossbeam upper plate 3 and crossbeam lower plate 4 connect, to enhance the structural strength of crossbeam 300.And under first Flanging 33 and the first upper hem 43 overlapped form, further enhance the stability that crossbeam upper plate 3 is connect with crossbeam lower plate 4.

Referring to figure 5 and figure 6, stringer 100 includes stringer upper plate 1 and stringer lower plate 2；Stringer upper plate 1 is provided with the second lower folding Side 13, stringer lower plate 2 are provided with the second upper hem 23；Stringer upper plate 1 and stringer lower plate 2 pass through on the second lower hem 13 and second Flanging 23 overlaps.

Stringer 100 includes stringer upper plate 1 and stringer lower plate 2, stringer upper plate 1 include the stringer upper body that longitudinally extends and Along the second lower hem 13 of two longitudinal sides of stringer upper body setting, the second lower hem 13 is bent towards stringer lower plate 2, and vertical Beam upper body shape has a certain degree, and can be right angle, is also possible to obtuse angle.Preferably, the second lower hem 13 and sheet on stringer Body by integral forming, the second lower hem 13 can be the formation such as punching press, forging with stringer upper body, herein with no restrictions.Under stringer Plate 2 includes the stringer lower body longitudinally extended and the second upper hem 23 being arranged along two longitudinal sides of stringer lower body, the Two upper hems 23 are bent towards stringer upper plate 1, are had a certain degree with stringer lower body shape, be can be right angle, can be obtuse angle. When the second lower hem 13 and stringer upper body that stringer upper plate 1 is arranged are at right angle, the second upper hem 23 of the setting of stringer lower plate 2 With stringer lower body also at right angle；When the second lower hem 13 and stringer upper body that stringer upper plate 1 is arranged are at obtuse angle, under stringer The second upper hem 23 that plate 2 is arranged is with stringer lower body also at obtuse angle.

Stringer upper plate 1 is overlapped with stringer lower plate 2 by the second lower hem 13 and the second upper hem 23, and two second The distance between lower hem 13 can be greater than the distance between two second upper hems 23, two the second lower hems 13 when overlap joint In the outside of two the second upper hems 23.Certainly, the distance between two second lower hems 13 might be less that on two second The distance between flanging 23, two the second lower hems 13 are located between two the second upper hems 23 when overlap joint.Overlap joint can be gas Weldering overlap joint, arc welding overlap joint etc., are not specifically limited herein.The second lower hem 13 and stringer lower plate 2 that stringer upper plate 1 is arranged are set The second upper hem 23 set increases stringer upper plate 1 and vertical using the second lower hem 13 and the second upper hem 23 overlapped form Joint face between beam lower plate 2 enhances the stability of stringer upper plate 1 and the connection of stringer lower plate 2.

On the basis of the above embodiments, mounting hole 110 is provided with the second upper hem 23, the second lower hem 13 or The junction of two upper hems 23 and the second lower hem 13.

With continued reference to Fig. 1, Fig. 2 and Fig. 5, Fig. 6, the both ends of stringer 100 offer mounting hole 110, the both ends point of crossbeam 300 It is not threaded through in the mounting hole 110 of two 100 the same ends of stringer.In one embodiment, mounting hole 110 is provided on second and rolls over Side 23 and the second lower hem 13 overlapped junction, the second lower hem 13, which offers, installs hole 11, and the second upper hem 23 is being pacified It loads onto 11 corresponding position of hole and offers installation lower opening 21 and install hole 11 after stringer upper plate 1 and stringer lower plate 2 overlap Mounting hole 110 is formed with installation lower opening 21.

Referring to Fig. 4, crossbeam upper plate 3 includes crossbeam upper plate body and the stringer upper mounting portion that crossbeam upper plate body both ends are formed 31, crossbeam lower plate 4 includes the stringer lower mounting portion 41 that crossbeam lower body and crossbeam lower body both ends are formed, crossbeam upper plate 3 with After crossbeam lower plate 4 overlaps, stringer upper mounting portion 31 and stringer lower mounting portion 41 form stringer mounting portion 310.Crossbeam 300 The stringer mounting portion 310 at both ends is threaded through respectively in the mounting hole 110 of two stringers, 100 phase the same end.

In another embodiment, the width of the second lower hem 13 of stringer upper plate 1 be greater than stringer lower plate 2 second on roll over The width on side 23, mounting hole 110 can be provided on the second lower hem 13, alternatively, the width of the second upper hem 23 of stringer lower plate 2 Degree is greater than the width of the second lower hem 13 of stringer upper plate 1, and mounting hole 110 is provided on the second upper hem 23, avoids because the The junction of two upper hems 23 and the second lower hem 13 opens up mounting hole 110, reduces the structural strength of stringer.It needs to illustrate It is that the length of the second lower hem 13 and the second upper hem 23 is longitudinal distance, width is at a distance from vertical with length direction, originally Embodiment to the thickness of the second lower hem 13 and the second upper hem 23 with no restrictions.

It is connect in order to facilitate stringer 100 with body of a motor car, the vehicle body peace vertical with mounting hole 110 is offered on stringer 100 Fill hole 120.The both ends of stringer upper plate 1 offer vehicle body upper installing hole 12, both ends and 12 phase of vehicle body upper installing hole of stringer lower plate 2 Corresponding position offers mounting hole 22 under vehicle body, and mounting hole 22 forms vehicle body mounting hole under vehicle body upper installing hole 12 and vehicle body 120, and vehicle body mounting hole 120 opens up direction perpendicular to mounting hole 110.A vehicle body can be set in one end of stringer 100 Mounting hole 120 also can be set multiple vehicle body mounting holes 120, such as two vehicle body mounting holes be arranged in one end of stringer 100 120, laterally spaced setting.The present embodiment is not specifically limited the quantity of vehicle body mounting hole.Fastener is installed across vehicle body Hole 120 is fixedly connected with body of a motor car, so that stringer 100 is fixedly connected with body of a motor car, stable connection.

On the basis of the above embodiments, the subframe of the present embodiment further includes reinforcement structure, one end of reinforcement structure with Crossbeam 300 is fixed, and the other end and stringer 100 of reinforcement structure are fixed.

Specifically, the present embodiment subframe is additionally provided with reinforcement structure in crossbeam 300 and 100 junction of stringer, with enhancing The structural strength of crossbeam and stringer junction.Reinforcement structure can be stiffening plate, one end of stiffening plate and one end of crossbeam upper plate 3 It is fixedly connected, the other end of stiffening plate is fixedly connected with one end of stringer upper plate 1, correspondingly, crossbeam lower plate 4 and stringer lower plate 2 It is also equipped with stiffening plate.Alternatively, one end of stiffening plate is fixedly connected with one end of crossbeam upper plate 3, the middle part of stiffening plate and stringer Upper plate 1 is fixedly connected, and the other end of stiffening plate is fixedly connected with the end that crossbeam upper plate 3 is pierced by mounting hole 110.Reinforcement structure is also It can be tubular structure, one end is set on crossbeam 300, and the other end is fixedly connected with stringer 100.As a preferred implementation Example, reinforcement structure are overlapped with crossbeam 300 and stringer 100 respectively, be can be gas welding overlap joint, arc welding overlap joint etc., are not made to have herein Body limitation.

Further, reinforcement structure be can be with reinforced pipe 5, one end of reinforced pipe 5 and crossbeam 300 are socketed, reinforced pipe 5 it is another One end has extended to form upper overlap edge 52 and lower overlap edge 53 toward 100 direction of stringer, between upper overlap edge 52 and lower overlap edge 53 Form the overlapping regions 54 for accommodating stringer 100.

Referring to Fig.1, Fig. 2 and Fig. 7, in a preferred embodiment, reinforcement structure are reinforced pipe 5, one end of reinforced pipe 5 It is set on crossbeam 300, is overlapped with crossbeam 300；The direction of upper surface toward the stringer 100 of 5 other end of reinforced pipe extends to form Overlap edge 52, the direction of lower surface toward the stringer 100 of 5 other end of reinforced pipe extend to form lower overlap edge 53, upper 52 He of overlap edge The U-shaped overlapping regions 54 for accommodating stringer 100 is formed between lower overlap edge 53, stringer 100 is contained in overlapping regions 54, upper overlap joint Side 52 and stringer upper plate 1 overlap, and lower overlap edge 53 is overlapped with stringer lower plate 2.Reinforced pipe 5 can be with stringer 100 and crossbeam 300 Gas welding overlap joint is also possible to arc welding overlap joint etc., and this embodiment is not specifically limited.The both ends of each crossbeam 300 are arranged with Reinforced pipe 5, to improve the structural strength that crossbeam 300 and stringer 100 connect.

In above-mentioned subframe actual application, reinforced pipe 5 is first respectively sleeved to the both ends of two crossbeams 300, then The both ends of crossbeam 300 are inserted into the mounting hole 110 of two 100 the same ends of stringer, are determined between two stringers 100 according to wheelspan Distance after, crossbeam 300 is fixedly connected with stringer 100, then one end of reinforced pipe 5 and crossbeam 300 are overlapped, reinforced pipe 5 Upper overlap edge 52 is overlapped with stringer upper plate 1, and lower overlap edge 53 is overlapped with stringer lower plate 2, to enhance crossbeam 300 and stringer 100 Bonding strength, to enhance the structural strength of subframe.

Further, the guide rail 51 and guide groove 320 for guiding are provided between reinforced pipe 5 and crossbeam 300.Some In embodiment, the upper and lower surfaces of reinforced pipe 5 are respectively arranged with the guide rail 51 extended transversely, correspondingly, crossbeam upper plate 3 Equipped with upper guide groove 32, upper guide groove 32 extends from stringer upper mounting portion 31 and crossbeam upper plate body junction towards crossbeam upper plate body, horizontal Beam lower plate 4 is equipped with lower guide channel 42, and lower guide channel 42 is from stringer lower mounting portion 41 and crossbeam lower body junction towards crossbeam lower body Extend, upper guide groove 32 and lower guide channel 42 form guide groove 320, by the cooperation of guide rail 51 and guide groove 320, so that crossbeam 300 is along leading Rail 51 slides, and adjusts the distance between two stringers 100.In further embodiments, the upper and lower surfaces of reinforced pipe 5 point It is not provided with the guide groove being laterally extended, correspondingly, crossbeam 300 is provided with guide rail, by the cooperation of guide rail and guide groove, so that crossbeam 300 slide along guide rail, adjust the distance between two stringers 100.

Referring to Fig.1, Fig. 2 and Fig. 8 is welded with the mounting bracket 6 for installing suspension leverage on the stringer 100 of subframe. Specifically, mounting bracket 6 include the first side wall and the second sidewall opposite with the first side wall, a side of third side wall with The first side wall is fixedly connected, and the opposite another side of third side wall is fixedly connected with second sidewall, the first side wall and second sidewall Opposite to be arranged in parallel, the first side wall surface opposite with second sidewall is faying surface 61, respectively with stringer upper plate 1 and stringer lower plate 2 welded laps.The side that the both ends of third side wall are directed away from the first side wall and second sidewall extends to form the 4th side wall, and the 4th Leverage mounting hole 62 is offered on side wall, for installing leverage bushing.There are two the installations of the preferably each stringer 100 of the present embodiment Mounting bracket 6, but the utility model is not limited.

The present embodiment also provides a kind of automobile, including vehicle body, and body bottom is equipped with subframe.Subframe includes two cross Beam 300 and two stringers 100；The setting of two 100 parallel intervals of stringer, two crossbeams 300 be arranged at intervals on two stringers 100 it Between；The both ends of stringer 100 offer mounting hole 110, and the both ends of crossbeam 300 are threaded through the peace of two 100 the same ends of stringer respectively It fills in hole 110.

Specifically, vehicle body can be the body structure of any vehicle in the prior art, be not specifically limited herein.This implementation The structure of subframe, function and effect are same as the previously described embodiments in example, are specifically referred to above-described embodiment, herein no longer into Row repeats.

Automobile provided in this embodiment by the way that two stringer parallel intervals of subframe are arranged, and two crossbeams is set It sets between two stringers, the both ends of two stringers offer mounting hole, and it is same that the both ends of crossbeam are threaded through two stringers respectively In the mounting hole of one end, the distance between two stringers is adjusted under the premise of keeping hard spot relationship in chassis constant, realizes wheelspan Widen, improve the versatility of crossbeam and stringer, reduces the development cost of subframe.

In the above description, reference term " one embodiment ", " some embodiments ", " example ", " specific example " or The description of " some examples " etc. means that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example include In at least one embodiment or example of the utility model.In the present specification, schematic expression of the above terms need not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any It can be combined in any suitable manner in a or multiple embodiment or examples.In addition, without conflicting with each other, the technology of this field The feature of different embodiments or examples described in this specification and different embodiments or examples can be combined by personnel And combination.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of subframe characterized by comprising two crossbeams and two stringers；

Described two stringer parallel interval settings, described two girder spaces are arranged between two stringers；The stringer Both ends offer mounting hole, the both ends of the crossbeam are threaded through respectively in the mounting hole of two described stringer the same ends.

2. subframe according to claim 1, which is characterized in that the crossbeam includes crossbeam upper plate and crossbeam lower plate；Institute It states crossbeam upper plate and is provided with the first lower hem, the crossbeam lower plate is provided with the first upper hem；The crossbeam upper plate and the cross Beam lower plate is overlapped by first lower hem and first upper hem.

3. subframe according to claim 1, which is characterized in that the stringer includes stringer upper plate and stringer lower plate；Institute It states stringer upper plate and is provided with the second lower hem, the stringer lower plate is provided with the second upper hem；The stringer upper plate and described vertical Beam lower plate is overlapped by second lower hem and second upper hem.

4. subframe according to claim 3, which is characterized in that the mounting hole is provided with second upper hem, institute State the junction of the second lower hem or second upper hem and second lower hem.

5. subframe according to claim 4, which is characterized in that offered on the stringer vertical with the mounting hole Vehicle body mounting hole.

6. subframe according to claim 1-5, which is characterized in that it further include reinforcement structure, the reinforcement knot One end of structure is fixed with the crossbeam, and the other end of the reinforcement structure is fixed with the stringer.

7. subframe according to claim 6, which is characterized in that the reinforcement structure is reinforced pipe, the reinforced pipe One end and the crossbeam are socketed, and the other end of the reinforced pipe has extended to form upper overlap edge and lower overlap joint toward the stringer direction Side forms the overlapping regions for accommodating the stringer between the upper overlap edge and the lower overlap edge.

8. subframe according to claim 7, which is characterized in that be provided with and be used between the reinforced pipe and the crossbeam The guide rail and guide groove of guiding.

9. subframe according to claim 1-5, which is characterized in that be welded on the stringer outstanding for installing The mounting bracket of hack lever system.

10. a kind of automobile, which is characterized in that including vehicle body, the body bottom installation is just like described in claim any one of 1-9 Subframe.