CN222224259U - Frame body connection assembly and vehicle - Google Patents

Abstract

The present application discloses a vehicle-frame body connection assembly and a vehicle, the vehicle-frame body connection assembly includes a vehicle-frame beam, a frame beam and a stopper, the vehicle-frame beam includes a main body and an upper connection portion formed by the main body being recessed along a first direction, the frame beam includes a beam body and a lower connection portion protruding from the beam body along a first direction and extending toward the upper connection portion, the lower connection portion includes a top fitting wall, and the stopper includes an active portion and a passive portion, the active portion and the passive portion are respectively connected to the upper connection portion and accommodated in the lower connection portion. The stopper in the present application is hidden in the vehicle-frame longitudinal beam and the frame longitudinal beam, the part of the connection structure protruding from the frame longitudinal beam overlaps with the space of the vehicle-frame longitudinal beam, and is located in the assembly space required for assembly between the vehicle-frame longitudinal beam, the shock absorber and the rear floor of the vehicle compartment, and no additional connection bracket is required to occupy the remaining vertical space, which can save vertical space.

Description

Frame body coupling assembling and vehicle

Technical Field

The application relates to the technical field of vehicles, in particular to a vehicle frame and body connecting assembly and a vehicle.

Background

The half-bearing type automobile body and the automobile frame are two relatively independent parts, the automobile body and the automobile frame are rigidly connected, when the automobile body and the automobile frame are assembled, the automobile frame is relatively fixed, the automobile body falls on the automobile frame from top to bottom, and the automobile body and the automobile frame are locked by adopting a connecting bracket. When the frame and the vehicle body are designed and manufactured, a large vertical space is required for arranging components in order to ensure structural strength and riding comfort of personnel, particularly, the frame longitudinal beam is generally made of cast aluminum materials, the vehicle body longitudinal beam is generally made of steel materials, the section size of the frame longitudinal beam is required to be larger than that of the vehicle body longitudinal beam because the strength of the cast aluminum materials is smaller than that of the steel materials, a large amount of space is required in the vertical direction for a vehicle rear steering connecting rod and an air spring, and a large-stroke shock absorber is required to be arranged for a vehicle rear suspension to improve riding comfort of personnel. In the related art, an independent vehicle body and frame connecting bracket is required to be arranged when the vehicle frame is connected with the vehicle body, and the rear row space of the vehicle, the mounting stroke of a rear suspension shock absorber and the vertical section size of a longitudinal beam of the vehicle frame can be limited.

Disclosure of utility model

The embodiment of the application provides a vehicle frame and vehicle body connecting component and a vehicle, which solve the problem that a half-bearing type vehicle body is difficult to realize effective connection between the vehicle body and a vehicle frame on the premise of keeping a larger rear passenger space and a large stroke of a rear suspension damper.

In a first aspect, an embodiment of the present application provides a vehicle frame body connection assembly including a body member including a main body portion and an upper connection portion recessed from the main body portion in a first direction, the upper connection portion including a bottom attaching wall and a side extending wall, at least one of the side extending walls extending from the bottom attaching wall to a vehicle body floor and being at least partially disposed in a stacked relation with the vehicle body floor, a vehicle frame body member including a beam main body and a lower connection portion protruding from the beam main body in the first direction and extending opposite the upper connection portion, the lower connection portion including a top attaching wall disposed in abutment with the bottom attaching wall, and a stopper including an active portion and a passive portion connected to the upper connection portion and received in the lower connection portion, respectively, and cooperating to restrict relative displacement between the bottom attaching wall and the top attaching wall.

According to the first aspect of the application, the vehicle body beam member is a vehicle body longitudinal beam, the vehicle body longitudinal beam comprises a first extension wall, the bottom attaching wall and the side extension wall, the first extension wall is arranged on the first side of the wheel cover inner plate, the first extension wall and the side extension wall are respectively connected with two sides of the bottom attaching wall, and a first cavity is formed by the first extension wall and the side extension wall in a surrounding mode with the bottom attaching wall, and the first cavity can accommodate the driving part.

According to a first aspect of the present application, the side extension wall includes a first buttress extending from an edge of the bottom abutment wall toward the vehicle body floor and a second buttress extending in the second direction and being arranged in a stack.

According to the first aspect of the application, the second supporting wall is in lap joint with the vehicle body floor, the first cavity is recessed in the extending surface corresponding to the second supporting wall along the first direction, and the driving part and the inner peripheral surface of the first cavity are provided with a first assembly gap along the second direction.

According to a first aspect of the present application, the frame rail member is a frame rail having the top abutment wall and a second extension wall connected to the top abutment wall, the second extension wall being provided on a second side of the wheel cover inner panel and being spaced apart from the wheel cover inner panel by a second assembly gap.

According to the first aspect of the application, the second extension wall has the same extension direction with the part of the wheel cover inner plate and is connected with the shock absorber, and the second extension wall cooperates with the shock absorber, the bottom attaching wall and the side extension wall to form an assembling clamp cavity or a part of the assembling clamp cavity.

According to the first aspect of the application, the driving part comprises more than two thread restraining groups, each thread restraining group is arranged at intervals along a third direction and comprises a bolt and a screw hole which are meshed with each other and are in one-to-one correspondence, the bolt is configured to extend along the first direction and pass through the screw hole, the screw hole is formed in the bottom attaching wall, or a longitudinal beam reinforcing plate is arranged in the first cavity and connected to one side of the bottom attaching wall, which is away from the top attaching wall, and the screw hole is formed in the bottom attaching wall and the longitudinal beam reinforcing plate.

According to the first aspect of the application, the passive part comprises second cavities which are in one-to-one correspondence with the screw holes and are coaxially arranged, and the second cavities are recessed in the top attaching wall and extend towards the inside of the frame rail along the first direction.

According to the first aspect of the application, the inner wall of the second chamber is provided with a thread section by turning, the thread section is suitable for limiting and matching with the bolt, or the inner wall of the second chamber is smooth and fixedly connected with a threaded sleeve, and the threaded sleeve is configured to be capable of limiting and matching with the bolt.

In a second aspect, embodiments of the present application also provide a vehicle comprising a frame body connection assembly of any one of the preceding claims.

According to the vehicle frame and vehicle body connecting assembly and the vehicle, the vehicle body beam part is connected with the vehicle frame beam part through the limiting part, so that the connection strength between the vehicle body and the vehicle frame can be ensured, the limiting part is hidden in the vehicle body beam part and the vehicle frame beam part, wherein part of connecting structures protruding out of the vehicle frame beam part are overlapped with the vehicle body beam part in space, and are positioned in the assembly space required by assembly among the vehicle body beam part, the shock absorber and the vehicle body floor, no additional connecting bracket is required to occupy other vertical spaces, and the vehicle frame and vehicle body connecting assembly can save the vertical space on the premise of ensuring effective connection of the vehicle body and the vehicle frame, so that the vehicle can be provided with larger back row space, the installation stroke of the rear suspension shock absorber and the vertical section size of the vehicle frame longitudinal beam.

Drawings

Features, advantages, and technical effects of exemplary embodiments of the present application will be described below with reference to the accompanying drawings.

FIG. 1 is a schematic perspective view of a vehicle frame and body connection assembly provided in an embodiment of the present application;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a schematic illustration of the position of a frame body attachment assembly on a vehicle provided in an embodiment of the present application;

fig. 4 is a schematic cross-sectional view of fig. 3 along B-B.

In the drawings, the drawings are not necessarily to scale.

Reference numerals are a bottom attaching wall 1, a side extending wall 2, a first support wall 21, a second support wall 22, a vehicle body floor 3, a top attaching wall 4, a vehicle body side member 5, a first extending wall 51, a side member reinforcing plate 52, a wheel cover inner plate 6, a vehicle frame side member 7, a second extending wall 71, a damper 8, a bolt 9, a first chamber a, a seat accommodating chamber b, an assembly clip chamber c, a second chamber d, a damper mounting point e;

a first direction X1, a second direction X2 and a third direction X3.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs, the terms used in the description of this application in this application are for the purpose of describing particular embodiments only and are not intended to be limiting of the application, and the terms "comprising" and "having" and any variations thereof in the description of this application and the claims and the above description of the drawings are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order.

The present application has been made based on the findings and knowledge of the inventors regarding the following facts and problems:

In the related art, the body and the frame of the half-bearing type automobile are two relatively independent parts, the body and the frame are rigidly connected through bolts and nuts, the body part is required to meet higher airtight requirements, the frame part is free of sealing requirements, the frame and the body of the half-bearing type automobile are relatively fixed in the assembly process, the body falls on the frame from top to bottom along a first direction X1, then the body and the body are fixed through the bolts and nuts, the contact surface of the body and the frame is mainly in the first direction X1, and the contact surface is in a gap in a second direction X2 and a third direction X3 so as to meet the space requirements of the upper part.

The performance of one side of the vehicle body is mainly controlled by means of the positions and the number of connecting points, the materials and the material thickness of the vehicle body beam parts, whether reinforcing plates are added or not, and the like. The performance of one side of the frame is mainly controlled by means of changing the height and thickness of the reinforcing ribs at the mounting points, changing the wall thickness of the machined threaded holes, the length of the steel wire threaded sleeves, the materials of frame parts and the like. The frame and the automobile body need set up independent automobile body frame linking bridge when carrying out bolted connection, guarantee the validity of frame automobile body connection, however independent automobile body frame linking bridge can occupy certain space along first direction X1 to restriction vehicle back row space, rear suspension bumper shock absorber installation stroke and the vertical cross-section size of frame longeron influence half-bearing type vehicle's intensity and performance.

In order to solve the above-mentioned problems, the embodiment of the present application provides a frame-body connection assembly and a vehicle, and the frame-body connection assembly and the vehicle according to the embodiment of the present application are described in detail below with reference to fig. 1 to 4.

As shown in fig. 1, an embodiment of the present application provides a vehicle frame body connection assembly including a body member including a main body portion and an upper connection portion recessed from the main body portion in a first direction, a frame member, and a stopper.

Specifically, as shown in fig. 4, the upper connecting portion includes a bottom attaching wall 1 and side extending walls 2, at least one side extending wall 2 extends from the bottom attaching wall 1 to a vehicle body floor 3, and at least one side extending wall 2 is at least partially laminated with the vehicle body floor 3. It will be appreciated that the upper side of the vehicle body floor 3 in the first direction X1 is an in-vehicle space, the vehicle body floor 3 is affected by the structural style of the in-vehicle space, the vehicle body floor 3 has an upwardly inclined leg and a horizontal leg, and the side extension wall 2 is constructed so that a portion thereof is overlapped with the horizontal leg of the vehicle body floor 3, thereby allowing the side extension wall 2 to be connected with the vehicle body floor 3 by utilizing the structural shape of the existing vehicle body floor 3 to improve the strength and the overall rigidity of the connection thereof.

As shown in fig. 3 and 4, fig. 4 is a schematic view of section B-B in fig. 3, the frame rail member includes a rail main body and a lower connecting portion protruding from the rail main body in a first direction and extending opposite to the upper connecting portion, the lower connecting portion includes a top attaching wall 4, the top attaching wall 4 is disposed in abutment with a bottom attaching wall, and it is understood that the top attaching wall 4 and the bottom attaching wall 1 are connected to each other when the frame rail and the body rail are attached to each other. The limiting piece comprises a driving part and a driven part, wherein the driving part and the driven part are respectively connected with the upper connecting part and the lower connecting part, and are mutually matched to restrain the relative displacement between the bottom attaching wall 1 and the top attaching wall 4.

Therefore, the active part of the limiting piece for connecting the vehicle body longitudinal beam 5 and the vehicle frame longitudinal beam 7 is connected with the upper connecting part, the passive part is accommodated in the lower connecting part, and it is understood that the active part and the passive part are arranged at the upper connecting part and the lower connecting part and do not occupy other spaces except the upper connecting part and the lower connecting part, so that the limiting piece of the vehicle body longitudinal beam and the vehicle frame longitudinal beam can be hidden in the vehicle body longitudinal beam and the vehicle frame longitudinal beam, and no additional connecting bracket is required to occupy vertical space when the assembly between the vehicle body longitudinal beam and the vehicle frame longitudinal beam is carried out.

In some embodiments, referring to fig. 2 and 4, the body beam is a body longitudinal beam 5, the body longitudinal beam 5 includes a first extension wall 51, a bottom attaching wall 1 and a side extension wall 2, the first extension wall 51 is disposed on a first side of the wheel cover inner plate 6, the first extension wall 51 and the side extension wall 2 are respectively connected to two sides of the bottom attaching wall 1, and form a first chamber a with the bottom attaching wall 1, where the first chamber a can accommodate the active portion.

It will be appreciated that the first cavity a defined by the first extension wall 51, the side extension wall 2 and the bottom abutment wall 1 is recessed in the extension surface of the horizontal leg of the vehicle body floor 3, and the active portion does not extend out of the extension surface of the horizontal leg of the vehicle body floor 3 when disposed inside the first cavity a, so that the active portion of the stopper is located within the space size occupied by the vehicle body floor 3 along the first direction X1.

It should be emphasized that, referring to fig. 4, in the two-dimensional structural plane established in the first direction X1 and the second direction X2, the outer side of the seat accommodating cavity b corresponds to an assembling clamp cavity c, and it is understood that the assembling clamp cavity c is a necessary space required for assembling other components of the vehicle, and the first cavity a is formed inside the assembling clamp cavity c.

Thus, the above-described arrangement of the first extension wall 51, the side extension wall 2, and the bottom attaching wall 1 can restrict the space occupied by the active portion of the stopper to the space necessary for the assembly of other vehicle components such as the vehicle body floor 3.

In some embodiments, as shown in fig. 2 and 4, the side extension wall 2 includes a first buttress 21 and a second buttress 22 connected to each other, the first buttress 21 extending from an edge of the bottom attachment wall 1 toward the vehicle body floor 3, the second buttress 22, the bottom attachment wall 1, and the top attachment wall 4 extending in the second direction X2 and being arranged in a stack. The second supporting wall 22 is connected with the vehicle body floor 3 in a lap joint mode, the first chamber a is recessed in the extending surface corresponding to the second supporting wall 22 along the first direction X1, and the driving part is provided with a first assembly gap with the inner peripheral surface of the first chamber a along the second direction X2.

It will be appreciated that, to ensure that the operator can assemble the active portion of the first chamber a, the size of the active portion of the stopper is limited to the range of the size of the inner cavity of the first chamber a during design and manufacture. Based on this, there is first assembly clearance between initiative portion and the first cavity a inner chamber to make the locating part can conveniently carry out the installation operation smoothly.

In some embodiments, referring to fig. 4, the frame rail is a frame rail 7, the frame rail 7 has a top abutment wall 4, and a second extension wall 71 connected to the top abutment wall 4, the second extension wall 71 being disposed on a second side of the wheel cover inner plate 6 and spaced apart from the wheel cover inner plate 6 by a second assembly gap. The second extension wall 71 has a uniform extension direction with the part of the wheel cover inner plate 6 and is connected to the damper 8, and the second extension wall 71 cooperates with the damper 8, the bottom attaching wall 1 and the side extension wall 2 to form the fitting clip cavity c or part of the fitting clip cavity c.

It will be appreciated that the assembly clip cavity c is formed by the assembly of the wheel cover inner plate 6, the damper 8 and other vehicle necessary components, and that the damper 8 can be connected at the damper mounting point e, see fig. 1, and that the assembly clip cavity c is located outside the seat receiving cavity b, see fig. 4, and that the stopper is provided inside the assembly clip cavity c during the installation of the vehicle body side member and the frame side member without occupying other space in the first direction X1.

In some embodiments, referring to fig. 1, 2 and 4, the driving portion includes more than two thread restraining groups, each of which is disposed at intervals along the third direction X3 and includes mutually engaged bolts 9 and screw holes in one-to-one correspondence, the bolts 9 are configured to extend along the first direction X1 and pass through the screw holes, and the screw holes are formed in the bottom attaching wall 1.

It can be understood that for a half-load type automobile, in the process of assembling the automobile frame and the automobile body, the automobile body falls on the automobile frame from top to bottom along the first direction X1, and the bolts 9 penetrate through and are limited in the screw holes, so that the application completes fixed packaging on the automobile body and the automobile frame in a bolt limiting mode.

In other embodiments, referring to fig. 2, a stringer stiffener 52 is disposed in the first chamber a, the stringer stiffener 52 is connected to a side of the bottom wall 1 facing away from the top wall 4, and screw holes are formed in the bottom wall 1 and the stringer stiffener 52. It will be appreciated that the strength of the mounting of the bolts 9 can be increased by providing the stringer stiffener 52.

In some embodiments, as shown in fig. 4, the passive portion includes a second cavity d, where the second cavity d corresponds to the screw hole one by one and is coaxially disposed, and the second cavity d is recessed in the top attaching wall 4 and extends toward the inside of the frame rail 7 along the first direction X1.

It will be appreciated that the second chamber d is provided inside the frame rail 7 and that the screw hole is provided inside the second chamber d, so that the screw hole in the stop for the connection of the vehicle body and the frame is located in the frame rail 7 in the layout space. In addition, since the portion where the bolt 9 is in the limited connection with the screw hole is provided inside the frame rail 7 in the first direction X1, the portion where the bolt 9 is in the limited connection with the screw hole does not occupy a space outside the frame rail 7. Based on this, at the time of the assembly between the vehicle body side member and the frame side member, it is not necessary to provide an additional connecting bracket to occupy the vertical space in the first direction X1.

In one example, the inner wall of the second chamber d is turned to form a threaded section adapted for a positive fit with the bolt 9.

In another example, the second chamber d has a smooth inner wall and a fixedly attached sleeve configured to enable a positive engagement with the bolt 9.

The vehicle body connecting component of the vehicle body is hidden in the vehicle body longitudinal beam 5 and the vehicle frame longitudinal beam 7 on the premise of ensuring effective connection of the vehicle body and the vehicle frame, specifically, the space between the limiting piece and the vehicle frame longitudinal beam 7 is overlapped, vertical space can be saved, and accordingly, the vehicle can be provided with larger back row space, installation stroke of the shock absorber 8 of the rear suspension and vertical section size of the vehicle frame longitudinal beam 7.

In summary, the method of arranging the rigid connection points of the vehicle body and the vehicle frame in the longitudinal beam of the vehicle body is adopted, an independent vehicle body and frame connection bracket is omitted, the requirement of a connection structure on arrangement space is reduced, and more space is reserved for arrangement of passengers and a chassis in the vehicle. The vehicle adopting the vehicle frame and vehicle body connecting component can set larger size of the vehicle body longitudinal beam, so that the problem that the cross section of the vehicle body longitudinal beam is small due to insufficient arrangement space is solved, the torsional rigidity and the mode of the whole vehicle can reach performance indexes, and the bending strength and the mode of the whole vehicle are effectively improved.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "attached" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, directly connected, indirectly connected through an intermediary, or may be in communication with the interior of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the embodiments of the present application, the same reference numerals denote the same components, and detailed descriptions of the same components are omitted in different embodiments for the sake of brevity. It should be understood that the thickness, length, width, etc. dimensions of the various components in the embodiments of the application shown in the drawings, as well as the overall thickness, length, width, etc. dimensions of the integrated device, are merely illustrative and should not be construed as limiting the application in any way.

The term "plurality" as used herein refers to two or more (including two).

While the application has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the application, and in particular, the technical features set forth in the various embodiments may be combined in any manner so long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (10)

1. A frame body connection assembly, comprising:

A vehicle body beam member including a main body portion and an upper connecting portion recessed from the main body portion in a first direction, the upper connecting portion including a bottom attaching wall (1) and side extending walls (2), at least one of the side extending walls (2) extending from the bottom attaching wall (1) to a vehicle body floor (3) and being at least partially laminated with the vehicle body floor (3);

The frame beam comprises a beam main body and a lower connecting part protruding from the beam main body along the first direction and extending opposite to the upper connecting part, wherein the lower connecting part comprises a top bonding wall (4), the top bonding wall (4) is abutted with the bottom bonding wall, and

The limiting piece comprises an active part and a passive part, wherein the active part and the passive part are respectively connected with the upper connecting part and the lower connecting part, and are mutually matched to restrain the relative displacement between the bottom attaching wall (1) and the top attaching wall (4).

2. The frame body connection assembly according to claim 1, wherein the body beam member is a body side member (5), the body side member (5) including a first extension wall (51), the bottom abutment wall (1) and the side extension wall (2), the first extension wall (51) being provided on a first side of a wheel cover inner panel (6);

The first extension wall (51) and the side extension wall (2) are respectively connected with two sides of the bottom attaching wall (1), and the first extension wall and the bottom attaching wall (1) enclose a first chamber (a), and the first chamber (a) can accommodate the active part.

3. The frame body connection assembly according to claim 2, wherein the side extension wall (2) includes a first buttress (21) and a second buttress (22) connected to each other, the first buttress (21) extending from an edge of the bottom abutment wall (1) toward the body floor (3), the second buttress (22), the bottom abutment wall (1) and the top abutment wall (4) extending in a second direction and being arranged in a stack.

4. A vehicle frame body connection assembly according to claim 3, wherein the second support wall (22) is connected to the vehicle body floor (3) in a lap joint manner, the first chamber (a) is recessed in the first direction from the extension surface corresponding to the second support wall (22), and the active portion is provided with a first fitting clearance with the inner peripheral surface of the first chamber (a) in the second direction.

5. The frame body connection assembly according to claim 2, wherein the frame rail member is a frame rail (7), the frame rail (7) having the top abutment wall (4) and a second extension wall (71) connected to the top abutment wall (4), the second extension wall (71) being provided on a second side of the wheel cover inner panel (6) and being arranged at a second assembly gap spacing from the wheel cover inner panel (6).

6. The frame body connection assembly according to claim 5, wherein the second extension wall (71) has a uniform extension direction with a part of the wheel cover inner panel (6) and is connected to a damper (8), and the second extension wall (71) cooperates with the damper (8), the bottom attaching wall (1) and the side extension wall (2) to form a fitting clip (c) or a part of the fitting clip (c).

7. The frame body connection assembly according to claim 5, wherein the driving portion includes two or more thread restraining groups, each of which is arranged at intervals along a third direction and includes a bolt (9) and a screw hole which are engaged with each other and in one-to-one correspondence;

The bolt (9) is arranged to extend in the first direction through the screw hole which is open in the bottom abutment wall (1), or

The inside longeron reinforcing plate (52) that is equipped with of first cavity (a), longeron reinforcing plate (52) connect in the one side of bottom wall (1) facing away from top wall (4) is glued, the screw set up in bottom wall (1) with longeron reinforcing plate (52).

8. The frame body connection assembly according to claim 7, wherein the passive portion includes a second chamber (d) which is disposed coaxially in one-to-one correspondence with the screw holes, the second chamber (d) being recessed in the top attaching wall (4) and being formed extending toward the inside of the frame rail (7) in the first direction.

9. The frame body connection assembly of claim 8 wherein,

The inner wall of the second chamber (d) is turned to form a threaded section which is suitable for limit fit with the bolt (9), or

The inner wall of the second chamber (d) is smooth and fixedly connected with a screw sleeve, and the screw sleeve is configured to be in limit fit with the bolt (9).

10. A vehicle comprising a frame body attachment assembly according to any one of claims 1 to 9.