CN212313682U - Longeron rear overhang mounting structure and vehicle - Google Patents
Longeron rear overhang mounting structure and vehicle Download PDFInfo
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- CN212313682U CN212313682U CN202020974226.2U CN202020974226U CN212313682U CN 212313682 U CN212313682 U CN 212313682U CN 202020974226 U CN202020974226 U CN 202020974226U CN 212313682 U CN212313682 U CN 212313682U
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Abstract
The utility model provides a longitudinal beam rear suspension mounting structure and a vehicle, which relate to the technical field of vehicle accessories and comprise a floor longitudinal beam, wherein the floor longitudinal beam comprises two opposite side walls and a bottom wall connected between the two side walls, and a suspension bracket assembly arranged between the two side walls of the floor longitudinal beam; the suspension bracket assembly comprises a first supporting part, a second supporting part and a third supporting part, wherein the first supporting part is connected with the bottom wall, and the strength of the suspension bracket assembly can be increased in the direction vertical to the bottom wall; the second supporting part is connected between the two side walls and can increase the strength in the direction of the connecting line of the two side walls, namely the width direction of the floor longitudinal beam, the third supporting part is connected with the bottom wall and extends along the length direction of the bottom part, the strength of the bottom wall can be improved in the length direction of the bottom wall, namely the strength of the floor longitudinal beam in the length direction is improved, the strength and the rigidity of the floor longitudinal beam can be improved in three directions, the plastic deformation and the fatigue strength failure are avoided, and the requirement of the dynamic rigidity under the limit working condition is met.
Description
Technical Field
The utility model belongs to the technical field of the vehicle accessory technique and specifically relates to a suspension mounting structure and vehicle behind longeron.
Background
The rear suspension structure of the existing commercial vehicle cab is generally formed by welding a floor longitudinal beam, a longitudinal beam reinforcing plate, a suspension mounting plate and a nut.
As shown in fig. 1, the existing longeron rear suspension mounting structure of a cab comprises a floor longeron 010, a longeron reinforcing plate 020, a suspension mounting plate 030 and a nut 040, the floor longeron comprises two opposite side walls and a bottom wall connecting the two side walls, the longeron reinforcing plate 020 is of a U-shaped structure and extends along the length direction of the floor longeron 010, the longeron reinforcing plate 020 comprises two opposite side surfaces and a bottom surface respectively connected with the two side surfaces, the longeron reinforcing plate 020 is arranged between the floor longeron 010 and the middle floor 050, wherein the two side surfaces of the longeron reinforcing plate 020 are respectively connected with the inner walls of the two side walls of the floor longeron 010, the bottom surface of the longeron reinforcing plate 020 is connected with the bottom surface of the floor longeron reinforcing plate 010, the suspension mounting plate 030 is connected with the bottom surface of the longeron reinforcing plate 020, a, and the opening corresponds to the through hole and the mounting hole and is used for fixedly mounting the cab.
Because commercial vehicles often encounter the condition of large jolt in the driving process, the strength of the existing suspension structure in the length direction of the longitudinal beam of the floor can be increased by utilizing the longitudinal beam reinforcing plate and the suspension mounting plate, the existing suspension structure in the vertical direction and the width direction of the longitudinal beam of the floor is lack of support, the existing suspension mounting structure behind the longitudinal beam has poor strength and rigidity under the extreme working condition, and is easy to cause plastic deformation and fatigue strength failure, the dynamic rigidity of the whole cab is weak, and the requirements of customers on comfort and NVH (English abbreviations of Noise, Vibration and Harshness, namely Noise, Vibration and sound Vibration roughness, which are a comprehensive problem for measuring the manufacturing quality of the vehicles) can not be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a suspension mounting structure and vehicle behind longeron to it is relatively poor to have alleviated intensity and rigidity of suspension mounting structure under the extreme condition behind the current longeron, causes plastic deformation and fatigue strength to become invalid easily, and the dynamic stiffness of whole driver's cabin is relatively weak, can't satisfy the technical problem of customer to the requirement of travelling comfort and NVH target.
The utility model provides a longeron rear suspension mounting structure, including the floor longeron, the floor longeron includes two relative lateral walls and connects the diapire between two said lateral walls, the suspension mounting structure behind the longeron still includes the suspension support assembly;
the suspension bracket assembly is arranged between the two side walls of the floor longitudinal beam and comprises a first supporting part extending along the direction vertical to the bottom wall, a second supporting part extending along the width direction of the bottom wall and a third supporting part extending along the length direction of the bottom wall; one end of the first supporting part is connected with the bottom wall; the two ends of the second supporting part are respectively connected with the opposite side faces of the two side walls, and the third supporting part is connected with the bottom wall.
Furthermore, the rear suspension mounting structure of the longitudinal beam comprises a U-shaped longitudinal beam reinforcing plate, the suspension bracket assembly is connected with the floor longitudinal beam through the longitudinal beam reinforcing plate, the bottom wall of the longitudinal beam reinforcing plate is connected with the inner surface of the bottom wall of the floor longitudinal beam, and the side wall of the longitudinal beam reinforcing plate is connected with the inner surface of the side wall of the floor longitudinal beam.
Further, suspension support assembly includes support baffle and vertical support piece, vertical support piece conduct first supporting part, the support baffle conduct second supporting part and third supporting part, the support baffle is connected between two lateral walls of longeron reinforcing plate, the face of support baffle is along the perpendicular to the direction of the diapire of longeron reinforcing plate extends, the bottom of support baffle with the diapire of longeron reinforcing plate is connected, just the support baffle is followed the length direction of floor longeron is unsmooth buckling extension, the convex part of support baffle with one of them lateral wall of longeron reinforcing plate is connected, the concave part of support baffle with another lateral wall of longeron reinforcing plate is connected.
Furthermore, the vertical supporting piece is a stud sleeve, a fixing part matched with the outer side wall of the stud sleeve is arranged on the support partition plate, and the stud sleeve is connected in the fixing part.
Furthermore, one end, facing the bottom wall of the longitudinal beam reinforcing plate, of the support partition plate is provided with a flanging structure, and the flanging structure is connected with the bottom wall of the longitudinal beam reinforcing plate.
Further, the bracket baffle plate comprises a first connecting part, a second connecting part and a third connecting part; the second connecting part and the third connecting part are respectively arranged at two ends of the first connecting part and arranged at one side of the first connecting part; one ends of the first connecting part and the third connecting part, which are far away from the first connecting part, are respectively connected with the side wall of one side of the longitudinal beam reinforcing plate; the second connecting part is connected with the side wall of the other side of the longitudinal beam reinforcing plate;
the flanging structure comprises a first flanging, a second flanging and a third flanging;
the first flanging is arranged on the first connecting part and extends towards the side wall direction of the longitudinal beam reinforcing plate;
the second flanging is arranged on the second connecting part and extends towards the third connecting part;
the third flanging is arranged on the third connecting portion, and the third flanging extends towards the second connecting portion.
Furthermore, the suspension bracket assembly comprises an upper end plate, the upper end plate is connected with the stud sleeve, and one end of the upper end plate is connected with one side wall of the longitudinal beam reinforcing plate; the other end of the upper end plate is connected with the side wall of the other side of the longitudinal beam reinforcing plate.
Further, the upper end plate comprises a middle part, a first arc-shaped part and a second arc-shaped part, and the first arc-shaped part and the second arc-shaped part are positioned on the same side of the middle part;
one end of the first arc-shaped part is connected with the middle part, and the other end of the first arc-shaped part is connected with one side wall of the longitudinal beam reinforcing plate;
one end of the second arc-shaped part is connected with the middle part, and the other end of the second arc-shaped part is connected with the side wall of the other side of the longitudinal beam reinforcing plate.
Furthermore, the number of the stud sleeves and the number of the upper end plates are multiple, and the stud sleeves and the upper end plates are arranged at intervals along the length direction of the floor longitudinal beam;
the stud sleeves correspond to the upper end plates one to one.
The utility model provides a vehicle, include longeron rear suspension mounting structure.
The utility model provides a longeron rear suspension mounting structure, including the floor longeron, the floor longeron includes two relative lateral walls and connects the diapire between two said lateral walls, the suspension mounting structure behind the longeron still includes the suspension support assembly; the suspension bracket assembly is arranged between the two side walls of the floor longitudinal beam and comprises a first supporting part extending along the direction vertical to the bottom wall, a second supporting part extending along the width direction of the bottom wall and a third supporting part extending along the length direction of the bottom wall; one end of the first supporting part is connected with the bottom wall; the two ends of the second supporting part are respectively connected with the opposite side faces of the two side walls, and the third supporting part is connected with the bottom wall.
The first supporting part is connected with the bottom wall, so that the strength can be increased in the direction perpendicular to the bottom wall; the second supporting part is connected between the two side walls and can increase the strength in the direction of the connecting line of the two side walls, namely the width direction of the floor longitudinal beam, the third supporting part is connected with the bottom wall and extends along the length direction of the bottom part, the strength of the bottom wall can be improved in the length direction of the bottom wall, namely the strength of the floor longitudinal beam in the length direction is improved, the strength and the rigidity of the floor longitudinal beam can be improved in three directions, the plastic deformation and the fatigue strength failure are avoided, and the requirement of the dynamic rigidity under the limit working condition is met.
The utility model provides a vehicle, include floor longeron rear suspension mounting structure, consequently, the vehicle also possesses the rear suspension mounting structure's of longeron advantage can promote the floor longeron rear suspension point at the ascending intensity and the rigidity of length direction, width direction and the vertical side of floor longeron, improves product fatigue strength and reliability to satisfy the requirement of customer to vehicle travelling comfort and the achievement of NVH target.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a structural view of a conventional trailing beam rear suspension mounting structure;
fig. 2 is an assembly view of a rear suspension mounting structure for a longitudinal beam according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of a rear suspension mounting structure for a longitudinal beam according to an embodiment of the present invention;
fig. 4 is a side cross-sectional view of a rear suspension mounting structure for a longitudinal beam according to an embodiment of the present invention;
fig. 5 is a structural diagram of a suspension bracket assembly of a rear suspension mounting structure for a longitudinal beam according to an embodiment of the present invention;
fig. 6 is a connecting structure diagram of a support partition plate and a stud sleeve of the rear suspension mounting structure for a longitudinal beam provided in an embodiment of the present invention.
Icon: 010-floor stringer; 020-stringer stiffeners; 030-a suspended mounting plate; 040-nut; 050-middle floor; 100-floor stringer; 200-stringer stiffeners; 300-a stud sleeve; 400-a stent spacer; 410-a first connection; 411-first flanging; 420-a second connection; 421-second flanging; 430-a third connection; 431-a third flange; 500-upper end plate; 600-middle floor.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 2 to 6, the present embodiment provides a longitudinal beam rear suspension mounting structure, which includes a floor longitudinal beam 100, wherein the floor longitudinal beam 100 includes two opposite side walls and a bottom wall connected between the two side walls, and a suspension bracket assembly disposed in a cavity between the floor longitudinal beam 100 and a middle floor 600.
The suspension bracket assembly is arranged between two side walls of the floor longitudinal beam 100, and comprises a first supporting part extending along the direction vertical to the bottom wall, a second supporting part extending along the width direction of the bottom wall and a third supporting part extending along the length direction of the bottom wall; one end of the first supporting part is connected with the bottom wall; the both ends of second supporting part are connected with the relative side of two lateral walls respectively, and the third supporting part is connected with the diapire.
The first supporting part is connected with the bottom wall, so that the strength can be increased in the direction perpendicular to the bottom wall; the second supporting part is connected between the two side walls and can be in the direction of the connecting line of the two side walls, namely, the strength is increased in the width direction of the floor longitudinal beam 100, the third supporting part is connected with the bottom wall and extends along the length direction of the bottom part, the strength of the bottom wall can be improved in the length direction of the bottom wall, namely, the strength of the floor longitudinal beam 100 in the length direction is improved, the strength and the rigidity of the floor longitudinal beam 100 in three directions can be improved, the plastic deformation and the fatigue strength failure are avoided, and the requirement of the dynamic rigidity under the limit working condition is met.
Further, the rear suspension mounting structure of the longitudinal beam comprises a longitudinal beam reinforcing plate 200 in a U shape, the suspension bracket assembly is connected with the floor longitudinal beam 100 through the longitudinal beam reinforcing plate 200, the bottom wall of the longitudinal beam reinforcing plate 200 is connected with the inner surface of the bottom wall of the floor longitudinal beam 100, and the side wall of the longitudinal beam reinforcing plate 200 is connected with the inner surface of the side wall of the floor longitudinal beam 100.
Specifically, the stringer stiffener 200 is disposed between the floor stringer 100 and the suspension bracket assembly; the side wall of the longitudinal beam reinforcing plate 200 is connected with the side wall of the floor longitudinal beam 100, and the bottom wall of the longitudinal beam reinforcing plate 200 is connected with the bottom wall of the floor longitudinal beam 100; the second support part is connected with two side walls of the longitudinal beam reinforcing plate 200 respectively, the second support part is connected with the bottom wall of the longitudinal beam reinforcing plate 200, and the third support part is connected with the bottom wall of the longitudinal beam reinforcing plate in the length direction of the longitudinal beam reinforcing plate.
Preferably, the suspension bracket assembly includes a bracket partition 400 and a vertical support, the vertical support is used as a first support, the bracket partition 400 is used as a second support and a third support, the bracket partition 400 is connected between two sidewalls of the longitudinal beam reinforcing plate 200, the surface of the bracket partition 400 extends along a direction perpendicular to the bottom wall of the bracket partition, the bottom of the bracket partition 400 is connected with the bottom wall of the longitudinal beam reinforcing plate 200, the bracket partition 400 extends along the length direction of the floor longitudinal beam 100 in a concave-convex bending manner, the convex portion of the bracket partition 400 is connected with one of the sidewalls of the longitudinal beam reinforcing plate 200, and the concave portion of the bracket partition 400 is connected with the other sidewall of the longitudinal beam reinforcing plate 200.
The longitudinal beam rear suspension mounting structure provided by the embodiment comprises a floor longitudinal beam 100, a longitudinal beam reinforcing plate 200 and a suspension bracket assembly; the suspension mount assembly includes a mount bulkhead 400 and vertical supports connected to each other.
Longeron reinforcing plate 200 sets up in the floor longeron 100 and with the inside wall of floor longeron 100 is connected, the suspension bracket assembly sets up in the longeron reinforcing plate 200, and respectively with the relative both sides wall of longeron reinforcing plate 200 and diapire are connected, the suspension bracket assembly can be right longeron reinforcing plate 200 wholly supports, so that longeron reinforcing plate 200 can be right floor longeron 100 supports.
The support partition plate 400 of the suspension support assembly is connected with one side wall of the longitudinal beam reinforcing plate 200 at least in one position, the support partition plate 400 is connected with the other side wall of the longitudinal beam reinforcing plate 200 in at least one position, the connecting positions are arranged at intervals along the length direction of the longitudinal beam reinforcing plate 200, and the vertical supporting piece is connected with the bottom wall of the longitudinal beam reinforcing plate 200, so that the suspension support assembly can comprehensively support the longitudinal beam reinforcing plate 200 in the length direction, the width direction and the vertical direction of the floor longitudinal beam 100, the strength and the dynamic stiffness of the rear suspension mounting structure of the longitudinal beam are improved, and the plastic deformation and fatigue strength failure are avoided.
Further, the vertical supporting member is a stud sleeve 300, the bottom end of the stud sleeve 300 is connected with the bottom surface of the longitudinal beam reinforcing plate 200, a fixing portion matched with the outer side wall of the stud sleeve 300 is arranged on the support partition plate 400, and the stud sleeve 300 is connected in the fixing portion.
In this embodiment, the opening of the stud sleeve 300 corresponds to the through hole on the bottom surface of the stringer reinforcing plate 200 and the mounting hole on the bottom wall of the floor stringer 100, and the inner wall of the stud sleeve 300 is provided with an internal screw hole for mounting and fixing the cab. The stud sleeve 300 can serve as a mounting point of a suspension structure while serving as a vertical support, so that the mounting structure is simplified.
Further, the end of the bracket spacer 400 facing the bottom wall of the stringer stiffener 200 is provided with a flange structure, which may be understood as the above-mentioned third support portion, the flange structure being connected to the bottom wall of the stringer stiffener 200.
As one of the embodiments, the stent spacer 400 has a zigzag shape, and the stent spacer 400 includes a first connection part 410, a second connection part 420, and a third connection part 430; the second connection part 420 and the third connection part 430 are respectively disposed at both ends of the first connection part 410 and at one side of the first connection part 410; one ends of the second connecting portion 420 and the third connecting portion 430, which are far away from the first connecting portion 410, are respectively connected with one side wall of the longitudinal beam reinforcing plate 200; the first connecting portion 410 is connected to the other side wall of the stringer reinforcing plate 200;
specifically, the bracket spacer 400 provided in this embodiment includes a first connection portion 410, a second connection portion 420 connected to one end of the first connection portion 410, and a third connection portion 430 connected to the other end of the first connection portion 410.
One end of the second connecting part 420, which is far away from the first connecting part 410, is connected with one side wall of the longitudinal beam reinforcing plate 200 at a first position, and one end of the third connecting part 430, which is far away from the first connecting part 410, is connected with one side wall of the longitudinal beam reinforcing plate 200 at a second position; the first connection portion 410 forms one connection with the other side wall of the stringer reinforcing plate 200, and thus the bracket spacer 400 forms two connections with one side wall of the stringer reinforcing plate 200 and one connection with the opposite other side wall of the stringer reinforcing plate 200.
In this embodiment, the first connecting portion 410, the second connecting portion 420, and the third connecting portion 430 are all connected with the longitudinal beam reinforcing plate 200 by spot welding, and through the support partition plate 400, the two side surfaces and the bottom surface of the longitudinal beam reinforcing plate 200 are respectively connected, and then the longitudinal beam reinforcing plate 200 supports the floor longitudinal beam 100, so that the overall strength and the rigidity of the floor longitudinal beam 100 are improved, and the use under the limit working condition is satisfied.
The flanging structure comprises a first flanging 411, a second flanging 421 and a third flanging 431; the first flanging 411 is arranged on the first connecting portion 410, and the first flanging 411 extends towards the side wall direction of the longitudinal beam reinforcing plate 200; the second turned edge 421 is arranged on the second connecting part 420, and the second turned edge 421 extends towards the third connecting part 430; the third flange 431 is disposed on the third connecting portion 430, and the third flange 431 extends toward the second connecting portion 420.
In this embodiment, the flange structure includes a first flange 411, a second flange 421 and a third flange 431, the first flange 411 is disposed on the first connecting portion 410, the second flange 421 is disposed on the second connecting portion 420, and the third flange 431 is disposed on the third connecting portion 430.
The first flange 411, the second flange 421 and the third flange 431 are connected to the bottom surface of the stringer reinforcing plate 200 by spot welding.
It should be noted that the flange structure and the stringer reinforcing plate 200 may also be connected in other manners, such as: and adopting bolt assembly connection, screw connection or riveting and the like.
In this embodiment, the first flange 411, the second flange 421 and the third flange 431 are disposed on the same side of the bracket partition 400, and of course, the first flange 411, the second flange 421 and the third flange may also be disposed on two sides of the bracket partition 400.
It should be noted that the first connecting portion 410, the second connecting portion 420, and the third connecting portion 430 may also be connected to the longitudinal beam reinforcing plate 200 by using other connecting structures, for example, by using a bolt assembly, a screw connection, or a rivet connection, etc.
The suspension bracket assembly may include a plurality of bracket partitions 400 having a zigzag shape, and the plurality of bracket partitions 400 are spaced apart along the longitudinal direction of the floor stringer 100 to support the stringer reinforcing plate 200 in the longitudinal direction of the floor stringer 100.
It should be noted that one stent spacer 400 may be used, and the stent spacer 400 may be composed of a plurality of "n" shaped structures.
Further, the suspension bracket assembly comprises an upper end plate 500, the upper end plate 500 is connected with the stud sleeve 300, and one end of the upper end plate 500 is connected with one side wall of the longitudinal beam reinforcing plate 200; the other end of the upper end plate 500 is connected to the other side wall of the stringer reinforcing plate 200.
Preferably, the upper end plate 500 includes a middle portion, a first arc portion and a second arc portion, and the first arc portion and the second arc portion are located on the same side of the middle portion; one end of the first arc-shaped part is connected with the middle part, and the other end of the first arc-shaped part is connected with one side wall of the longitudinal beam reinforcing plate 200; one end of the second arc portion is connected to the middle portion, and the other end of the second arc portion is connected to the other side wall of the stringer reinforcing plate 200.
Specifically, the suspension bracket assembly still includes upper end plate 500, and upper end plate 500 includes intermediate part, first arc portion and second arc portion, just first arc portion with the equal upward direction bending of second arc portion, when floor stringer 100 received the effort of width direction or vertical direction, first arc portion and second arc portion all can support floor stringer 100 through longeron reinforcing plate 200, further improve floor stringer 100's intensity and rigidity.
Further, the number of the stud sleeves 300 and the number of the upper end plates 500 are multiple, and the stud sleeves and the upper end plates are arranged at intervals along the length direction of the floor stringer 100; stud sleeves 300 and upper end plates 500 correspond one-to-one.
Preferably, the bracket spacer 400 is provided with a fixing portion which is matched with the outer side wall of the stud sleeve 300, and the stud sleeve 300 is connected in the fixing portion.
The number of the stud sleeves 300 can be multiple, and the stud sleeves are arranged on the bracket baffle 400 at intervals. The number of the upper end plates 500 can be multiple and the upper end plates are arranged at intervals; the upper end plate 500 corresponds to the stud sleeves 300 one by one.
In this embodiment, the number of the stud sleeves 300 is two, and the stud sleeves 300 are arranged at intervals, one stud sleeve 300 is connected to the second connection portion 420, and the other stud sleeve 300 is connected to the third connection portion 430. The number of the upper end plates 500 is two, and the upper end plates 500 are arranged at intervals in the length direction of the floor stringer 100, and each upper end plate 500 is connected with one stud sleeve 300.
Specifically, the second connection portion 420 is provided with a first fixing portion, and the structure of the first fixing portion is adapted to the outer sidewall of the stud sleeve 300, and CO may be used to pass through the first fixing portion2And welding for connection.
The third connecting portion 430 is provided with a second fixing portion, and the structure of the second fixing portion is adapted to the outer sidewall of the stud sleeve 300, and CO may be used2And welding for connection.
In this embodiment, the outer side wall of the stud sleeve 300 is a cylindrical surface, and the first fixing portion and the second fixing portion are welding arc-shaped surfaces matched with the cylindrical surface of the stud sleeve 300.
The utility model provides a vehicle, include longeron rear suspension mounting structure, this vehicle also possesses the advantage of above-mentioned longeron rear suspension mounting structure, can promote longeron rear suspension mounting structure bulk strength and rigidity, improves product fatigue strength and reliability to satisfy customer's requirement and the achievement of NVH target to the vehicle travelling comfort.
To sum up, the rear suspension mounting structure of the longitudinal beam provided by the utility model comprises a floor longitudinal beam 100, wherein the floor longitudinal beam 100 comprises two opposite side walls and a bottom wall connected between the two side walls, and the rear suspension mounting structure of the longitudinal beam further comprises a suspension bracket assembly; the suspension bracket assembly is arranged between two side walls of the floor longitudinal beam 100, and comprises a first supporting part extending along the direction vertical to the bottom wall, a second supporting part extending along the width direction of the bottom wall and a third supporting part extending along the length direction of the bottom wall; one end of the first supporting part is connected with the bottom wall; the two ends of the second supporting part are respectively connected with the opposite side surfaces of the two side walls, and the third supporting part is connected with the bottom wall. The first supporting part is connected with the bottom wall, so that the strength can be increased in the direction perpendicular to the bottom wall; the second supporting part is connected between the two side walls and can increase the strength in the direction of the connecting line of the two side walls, namely the width direction of the floor longitudinal beam, the third supporting part is connected with the bottom wall and extends along the length direction of the bottom part, the strength of the bottom wall can be improved in the length direction of the bottom wall, namely the strength of the floor longitudinal beam in the length direction is improved, the strength and the rigidity of the floor longitudinal beam can be improved in three directions, the plastic deformation and the fatigue strength failure are avoided, and the requirement of the dynamic rigidity under the limit working condition is met.
The utility model provides a vehicle, including suspension mounting structure behind the foretell longeron, consequently, this vehicle also possesses suspension mounting structure's advantage behind the longeron, can promote the intensity and the rigidity of suspension point on the length direction, width direction and the vertical side of floor longeron behind the floor longeron, improve product fatigue strength and reliability to satisfy the requirement of customer to vehicle travelling comfort and the achievement of NVH target.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A longitudinal beam rear suspension mounting structure comprises a floor longitudinal beam (100), wherein the floor longitudinal beam (100) comprises two opposite side walls and a bottom wall connected between the two side walls, and is characterized by further comprising a suspension bracket assembly;
the suspension bracket assembly is arranged between the two side walls of the floor longitudinal beam (100), and comprises a first supporting part extending along the direction vertical to the bottom wall, a second supporting part extending along the width direction of the bottom wall and a third supporting part extending along the length direction of the bottom wall; one end of the first supporting part is connected with the bottom wall; the two ends of the second supporting part are respectively connected with the opposite side faces of the two side walls, and the third supporting part is connected with the bottom wall.
2. The trailing beam rear suspension mounting structure of claim 1, characterized in that the trailing beam rear suspension mounting structure comprises a "U" -shaped trailing beam reinforcement plate (200) through which the suspension bracket assembly is connected with the floor trailing beam (100), a bottom wall of the trailing beam reinforcement plate (200) is connected with an inner surface of a bottom wall of the floor trailing beam (100), and a side wall of the trailing beam reinforcement plate (200) is connected with an inner surface of a side wall of the floor trailing beam (100).
3. The trailing beam rear suspension mounting structure of claim 2, wherein the suspension bracket assembly includes a bracket bulkhead (400) and a vertical support, the vertical support serves as the first support, the stand spacer (400) serves as the second support and the third support, the bracket baffle (400) is connected between two side walls of the longitudinal beam reinforcing plate (200), the plate surface of the bracket clapboard (400) extends along the direction vertical to the bottom wall of the longitudinal beam reinforcing plate (200), the bottom of the bracket clapboard (400) is connected with the bottom wall of the longitudinal beam reinforcing plate (200), and the support clapboard (400) is bent and extended in a concave-convex way along the length direction of the floor longitudinal beam (100), the convex part of the bracket clapboard (400) is connected with one side wall of the longitudinal beam reinforcing plate (200), the concave part of the bracket clapboard is connected with the other side wall of the longitudinal beam reinforcing plate (200).
4. The trailing beam rear suspension mounting structure of claim 3, characterized in that the vertical support is a stud sleeve (300), and the bracket bulkhead (400) is provided with a fixing portion which is matched with an outer side wall of the stud sleeve (300), and the stud sleeve (300) is connected in the fixing portion.
5. The trailing beam rear suspension mounting structure according to claim 3, characterized in that an end of the bracket bulkhead (400) facing the bottom wall of the trailing beam reinforcement plate (200) is provided with a flange structure, and the flange structure is connected with the bottom wall of the trailing beam reinforcement plate (200).
6. The trailing beam rear suspension mounting structure of claim 5, wherein the bracket bulkhead (400) includes a first connection portion (410), a second connection portion (420), and a third connection portion (430); the second connecting part (420) and the third connecting part (430) are respectively arranged at two ends of the first connecting part (410) and arranged at one side of the first connecting part (410); one ends of the first connecting part (410) and the third connecting part (430) far away from the first connecting part (410) are respectively connected with one side wall of the longitudinal beam reinforcing plate (200); the second connecting part (420) is connected with the other side wall of the longitudinal beam reinforcing plate (200);
the flanging structure comprises a first flanging (411), a second flanging (421) and a third flanging (431);
the first flanging (411) is arranged on the first connecting portion (410), and the first flanging (411) extends towards the side wall direction of the longitudinal beam reinforcing plate (200);
the second flanging (421) is arranged on the second connecting part (420), and the second flanging (421) extends towards the third connecting part (430);
the third flanging (431) is arranged on the third connecting part (430), and the third flanging (431) extends towards the second connecting part (420).
7. The trailing beam rear suspension mounting structure of claim 4, wherein the suspension bracket assembly comprises an upper end plate (500), the upper end plate (500) is connected with the stud sleeve (300), and one end of the upper end plate (500) is connected with one side wall of the trailing beam reinforcing plate (200); the other end of the upper end plate (500) is connected with the side wall of the other side of the longitudinal beam reinforcing plate (200).
8. The trailing beam rear suspension mounting structure according to claim 7, wherein the upper end plate (500) includes a middle portion, a first arc portion, and a second arc portion, and the first arc portion and the second arc portion are located on the same side of the middle portion;
one end of the first arc-shaped part is connected with the middle part, and the other end of the first arc-shaped part is connected with one side wall of the longitudinal beam reinforcing plate (200);
one end of the second arc-shaped part is connected with the middle part, and the other end of the second arc-shaped part is connected with the side wall of the other side of the longitudinal beam reinforcing plate (200).
9. The trailing beam rear suspension mounting structure according to claim 8, wherein the number of the stud sleeves (300) and the upper end plates (500) is plural and is provided at intervals in a length direction of the floor trailing beam (100);
the stud sleeves (300) correspond to the upper end plates (500) one to one.
10. A vehicle characterized by comprising the side member rear suspension mounting structure of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020974226.2U CN212313682U (en) | 2020-06-01 | 2020-06-01 | Longeron rear overhang mounting structure and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020974226.2U CN212313682U (en) | 2020-06-01 | 2020-06-01 | Longeron rear overhang mounting structure and vehicle |
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| CN212313682U true CN212313682U (en) | 2021-01-08 |
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| CN202020974226.2U Active CN212313682U (en) | 2020-06-01 | 2020-06-01 | Longeron rear overhang mounting structure and vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113147923A (en) * | 2021-03-12 | 2021-07-23 | 北京汽车集团越野车有限公司 | Suspension mounting point additional strengthening, suspension installation assembly and vehicle that has it |
| CN113879401A (en) * | 2021-11-11 | 2022-01-04 | 江铃汽车股份有限公司 | Novel beam cavity structure for improving bending and twisting stiffness of light truck |
-
2020
- 2020-06-01 CN CN202020974226.2U patent/CN212313682U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113147923A (en) * | 2021-03-12 | 2021-07-23 | 北京汽车集团越野车有限公司 | Suspension mounting point additional strengthening, suspension installation assembly and vehicle that has it |
| CN113147923B (en) * | 2021-03-12 | 2022-08-02 | 北京汽车集团越野车有限公司 | Suspension mounting point additional strengthening, suspension installation assembly and vehicle that has it |
| CN113879401A (en) * | 2021-11-11 | 2022-01-04 | 江铃汽车股份有限公司 | Novel beam cavity structure for improving bending and twisting stiffness of light truck |
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