CN215590838U - Suspension device - Google Patents

Abstract

The application provides a suspension device, which comprises a suspension cross beam, two suspension brackets and two connecting pieces, wherein the two suspension brackets and the two connecting pieces are connected with the suspension cross beam; the connecting piece comprises a first connecting part, a second connecting part and a third connecting part, wherein the second connecting part and the third connecting part are connected with the frame, the second connecting part extends along the length direction of the suspension beam from the end part of the first connecting part, which is far away from the suspension beam, and the third connecting part extends along the length direction which is perpendicular to the suspension beam from the end part of the first connecting part, which is far away from the suspension beam; not only can strengthen the structural rigidity of the connecting piece, but also can enable the lap joint structure between the connecting piece and the frame to be more stable, thereby playing a role in reducing vibration noise.

Description

Suspension device

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of automobiles, in particular to a suspension device.

[ background of the utility model ]

In recent years, China is dedicated to developing the industry of electric automobiles, and for the electric automobiles, a motor is the only whole automobile power source of a pure electric automobile. The existing electric automobile usually arranges a motor in a front engine room, the motor needs to be installed on a frame through the matching of a motor beam and a suspension bracket, and the motor beam and the frame are usually connected by adopting a stamping or welding structure.

However, the structural rigidity of the motor cross beam in the existing electric automobile is still insufficient, vibration noise generated during the operation of the motor is amplified, and when the vibration noise is transmitted to the cockpit along the vehicle body structure and air, the riding comfort of a driver and passengers is seriously affected.

[ Utility model ] content

The application provides a suspension device to solve the problem that the structural rigidity of motor crossbeam is not enough to lead to enlargiing the vibration noise that the motor produced in the work among the present electric automobile.

The embodiment of the application provides a suspension device, which comprises a suspension cross beam, two suspension brackets and two connecting pieces, wherein the two suspension brackets and the two connecting pieces are connected with the suspension cross beam; the connecting piece includes first connecting portion, the second connecting portion and the third connecting portion of being connected with the frame, and wherein, the second connecting portion extend along the length direction of suspension crossbeam from the tip that suspension crossbeam was kept away from to first connecting portion, and the third connecting portion extend along the length direction of perpendicular to suspension crossbeam from the tip that suspension crossbeam was kept away from to first connecting portion.

Optionally, the first connecting portion is provided with a mounting groove, and two ends of the suspension beam along the length direction thereof can be accommodated in the mounting groove.

Optionally, the suspension beam includes a beam body, a first mounting portion and a second mounting portion, the beam body is connected between the first mounting portion and the second mounting portion, and the first mounting portion and/or the second mounting portion can be accommodated in the mounting groove.

Optionally, a plurality of first mounting holes are arranged on the first mounting portion and/or the second mounting portion in a penetrating manner, and a plurality of second mounting holes are correspondingly arranged on the first connecting portion; the first connecting portion passes through second mounting hole and first mounting hole in proper order through the bolt and then is connected with first installation department and/or second installation department detachably.

Optionally, the plurality of first mounting holes are distributed at intervals along the length direction of the suspension cross beam.

Optionally, a bolt sleeve is fixedly arranged in any one of the first mounting holes.

Optionally, the second mounting hole is a threaded hole, the bolt is locked in the second mounting hole through a threaded fit, and one end of the bolt can be inserted into the bolt sleeve after passing through the second mounting hole.

Optionally, a screw thread is arranged in the bolt sleeve, and one end of the bolt passes through the second mounting hole and then is locked in the screw thread sleeve through screw thread fit.

Optionally, at least one first locking hole is arranged on the second connecting part and/or the third connecting part, and at least one second locking hole is correspondingly arranged on the frame; the second connecting part and/or the third connecting part pass through the first locking hole and the second locking hole in sequence through bolts and then are detachably connected with the frame.

Optionally, a connecting rib is arranged between the first connecting part and the third connecting part.

After adopting above-mentioned technical scheme, beneficial effect is:

compared with the prior art, in the suspension device provided by the utility model, the second connecting part extends from the end part of the first connecting part far away from the suspension cross beam along the length direction of the suspension cross beam, and the third connecting part extends from the end part of the first connecting part far away from the suspension cross beam along the length direction vertical to the suspension cross beam, so that the second connecting part and the third connecting part form a step structure, the structural rigidity of the connecting part can be enhanced, and when the connecting part is connected with a frame, the second connecting part and the third connecting part are respectively connected with two side walls of the frame in different directions, so that the lap joint structure between the connecting part and the frame is more stable, and the effect of reducing vibration noise is achieved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a suspension device according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a suspension beam in a suspension device provided in an embodiment of the present application.

Fig. 3 is a schematic structural view of the suspension cross beam shown in fig. 2 after the bolt sleeves are removed.

Fig. 4 is a structural view of the bolt grommet shown in fig. 2.

Fig. 5 is a schematic view illustrating an assembly relationship between a suspension cross beam and a suspension bracket in a suspension device according to an embodiment of the present application.

Fig. 6 is a schematic structural diagram of a connecting member in a suspension device according to an embodiment of the present disclosure.

Fig. 7 is a partial structural schematic view of a suspension beam in the suspension device provided in the embodiment of the present application.

Fig. 8 is a schematic structural diagram of a suspension bracket in a suspension device according to an embodiment of the present application.

Fig. 9 is a schematic view illustrating an assembly relationship between a suspension cross beam and a connecting member in the suspension device according to the embodiment of the present application.

Fig. 10 is a schematic view illustrating an assembly relationship between a suspension device and a front side rail assembly according to an embodiment of the present application.

Fig. 11 is a schematic view illustrating an assembly relationship between a suspension device and a front side rail assembly at another angle according to an embodiment of the present application.

Reference numerals:

100-a suspension device;

1-suspending a beam;

11-a beam body; 12-a first mounting portion; 13-a second mounting portion; 14-a first mounting hole; 15-bolt bushing; 151-axial portion; 152-a fixed part; 153-third mounting hole;

2-a connector;

21-a first connection; 211-a second mounting hole; 212-a mounting groove; 22-a second connection; 23-a third connecting portion; 24-connecting ribs; 25-a first locking hole;

3-suspending the bracket;

31 a-a first fixing plate; 31 b-a second fixing plate; 32 a-a third fixing plate; 32 b-a fourth fixation plate; 33-a connecting plate; 34-a fourth mounting hole;

200-a front longitudinal beam assembly;

210-a first front rail;

211 — a first sidewall; 212-a first bottom wall;

220-a second front rail;

221-a second sidewall; 222-second bottom wall.

[ detailed description ] embodiments

For better understanding of the technical solutions of the present application, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.

It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

Referring to fig. 1, the embodiment of the present application provides a suspension apparatus 100, which includes a suspension beam 1, two suspension brackets 3 connected to the suspension beam 1, and two connecting members 2, wherein the two connecting members 2 are disposed at two ends of the suspension beam 1 along a length direction thereof, the two suspension brackets 3 are symmetrically spaced along the length direction of the suspension beam 1, and the two suspension brackets 3 are disposed between the two connecting members 2.

Referring to fig. 2, the suspension cross beam 1 includes a cross beam body 11, a first mounting portion 12 and a second mounting portion 13, the cross beam body 11 is connected between the first mounting portion 12 and the second mounting portion 13, and the first mounting portion 12 and the second mounting portion 13 can be connected to the connecting member 2.

The height distance of the first mounting portion 12 and the second mounting portion 13 in the direction perpendicular to the length direction of the suspension beam 1 may be smaller than the height distance of the beam body 11 in the direction perpendicular to the length direction of the suspension beam 1, that is, the projection of the first mounting portion 12 and the second mounting portion 13 in the length direction of the suspension beam 1 is completely on the projection of the beam body 11 in the length direction of the suspension beam 1; the height distance between the first mounting part 12 and the second mounting part 13 in the direction perpendicular to the length direction of the suspension beam 1 can also be equal to the height distance between the beam body 11 in the direction perpendicular to the length direction of the suspension beam 1, that is, the projection of the first mounting part 12 and the second mounting part 13 in the length direction of the suspension beam 1 completely coincides with the projection of the beam body 11 in the length direction of the suspension beam 1; the height distance between the first mounting portion 12 and the second mounting portion 13 in the direction perpendicular to the length direction of the suspension beam 1 may also be greater than the height distance between the beam body 11 in the direction perpendicular to the length direction of the suspension beam 1, that is, the projection of the beam body 11 in the length direction of the suspension beam 1 is completely on the projection of the first mounting portion 12 and the second mounting portion 13 in the length direction of the suspension beam 1, and is not limited herein.

In this embodiment, the height distance between the first mounting portion 12 and the second mounting portion 13 along the direction perpendicular to the length direction of the suspension beam 1 is preferably smaller than the height distance between the beam body 11 along the direction perpendicular to the length direction of the suspension beam 1, that is, the projection of the first mounting portion 12 and the second mounting portion 13 along the length direction of the suspension beam 1 is completely located on the projection of the beam body 11 along the length direction of the suspension beam 1, so that after the first mounting portion 12 and the second mounting portion 13 are accommodated in the mounting groove 212 on the connecting member 2, the width distance and the height distance between the connecting member 2 and the beam body 11 are ensured to be close, thereby ensuring the structural rigidity of the whole suspension beam 1.

Referring to fig. 3, a plurality of first mounting holes 14 may be respectively formed through the first mounting portion 12 and the second mounting portion 13, that is, the first mounting holes 14 are through holes penetrating through the first mounting portion 12 or the second mounting portion 13, and the plurality of first mounting holes 14 are distributed at intervals along the length direction of the suspension beam 1.

Specifically, the number of the first mounting holes 14 may be two, three, four or any other number, which is not limited herein. For example, the number of the first mounting holes 14 may be two, and the two first mounting holes 14 are distributed at intervals along the length direction of the suspension beam 1; the number of the first mounting holes 14 may be three, and the three first mounting holes 14 may be distributed at intervals along the length direction of the suspension beam 1, or may be distributed in a triangular shape; the number of the first mounting holes 14 may be four, and the four first mounting holes 14 may be distributed in a rectangular shape, that is, the four first mounting holes 14 may be divided into two groups of first mounting holes 14 distributed along the length direction of the suspension beam 1, and two first mounting holes 14 in each group are distributed along the length direction perpendicular to the suspension beam 1, which is not limited herein.

It is understood that the first mounting hole 14 may not be disposed through the first mounting portion 12 or the second mounting portion 13, i.e., the first mounting hole 14 is a blind hole opened on the first mounting portion 12 or the second mounting portion 13. For example, the first mounting hole 14 formed in the first mounting portion 12 may be a through hole, and the first mounting hole 14 formed in the second mounting portion 13 may be a through hole or a blind hole; the first mounting hole 14 formed in the first mounting portion 12 may be a blind hole, and the first mounting hole 14 formed in the second mounting portion 13 may be a through hole or a blind hole, which is not limited herein.

Referring to fig. 2 to 5, a bolt sleeve 15 is fixedly disposed in any one of the first mounting holes 14, the bolt sleeve 15 includes an axial portion 151 and a fixing portion 152 connected to each other, wherein a third mounting hole 153 is disposed on the bolt sleeve 15, and the third mounting hole 153 is disposed along a length direction of the axial portion 151 from an end of the axial portion 151 far away from the fixing portion 152.

Specifically, the third mounting hole 153 may be a through hole penetrating the axial portion 151 and the fixing portion 152, or may be a blind hole opened in the axial portion 151. The fixing portion 152 and the axial portion 151 may be fixedly connected to the first mounting portion 12 or the second mounting portion 13 by welding or the like.

The length of the axial portion 151 is the same as the depth of the first mounting hole 14, and the outer diameter of the axial portion 151 is smaller than the inner diameter of the first mounting hole 14, so that the axial portion 151 can be accommodated in the first mounting hole 14; the outer diameter of the fixing portion 152 is larger than the inner diameter of the first mounting hole 14, so that the fixing portion 152 abuts against the first mounting portion 12 or the second mounting portion 13 after the axial portion 151 is received in the first mounting hole 14.

It is understood that the bolt sleeve 15 may be disposed in all of the first mounting holes 14, or may be disposed in a part of the first mounting holes 14, which is not limited herein. For example, the bolt sleeves 15 are fixedly arranged in the first mounting holes 14 formed in the first mounting portion 12, and the bolt sleeves 15 are not fixedly arranged in the first mounting holes 14 formed in the second mounting portion 13; alternatively, a bolt bushing 15 is fixedly arranged in a part of the first mounting hole 14 opened in the first mounting portion 12 or the second mounting portion 13, and the bolt bushing 15 is not fixedly arranged in the other part of the first mounting hole 14.

Referring to fig. 6 and 7, the connecting member 2 includes a first connecting portion 21, a second connecting portion 22 connected to the frame, and a third connecting portion 23, wherein the second connecting portion 22 extends from an end of the first connecting portion 21 away from the suspension cross member 1 along a length direction of the suspension cross member 1, and the third connecting portion 23 extends from an end of the first connecting portion 21 away from the suspension cross member 1 along a direction perpendicular to the length direction of the suspension cross member 1.

Specifically, the second connection portion 22 and the third connection portion 23 are perpendicular to each other and form a stepped structure, so that the structural rigidity of the connection member 2 can be enhanced. When the connecting piece 2 is connected with the frame, the frame can be lapped on the step structure, so that the second connecting part 22 and the third connecting part 23 are respectively connected with two side walls of the frame in different directions, the lapping structure between the connecting piece 2 and the frame is more stable, and the effect of reducing vibration noise is achieved.

The first connecting portion 21 is provided with mounting grooves 212, and both ends of the suspension beam 1 in the length direction thereof can be received in the mounting grooves 212.

Specifically, the mounting groove 212 may be disposed through the end portion of the first connection portion 21 far from the second connection portion 22 toward the direction close to the second connection portion 22, and the mounting groove 212 further penetrates through the side wall of the first connection portion 21 far from the third connection portion 23, so that the side wall has an opening, and the two ends of the suspension beam 1 along the length direction thereof may be clamped in the mounting groove 212 through the opening.

It can be understood that the mounting groove 212 may also be disposed to penetrate through the end portion of the first connection portion 21 far away from the second connection portion 22 toward the direction close to the second connection portion 22, and the connection member 2 is sleeved at both ends of the suspension beam 1 along the length direction thereof through the mounting groove 212, that is, the mounting groove 212 only penetrates through the end portion of the first connection portion 21 far away from the second connection portion 22, and does not penetrate through any side wall of the first connection portion 21 adjacent to the end portion, thereby providing a guiding effect for the assembly of the connection member 2 and the suspension beam 1.

After the two ends of the suspension beam 1 along the length direction are accommodated in the installation grooves 212, the connecting piece 2 and the suspension beam 1 can be detachably connected through parts such as bolts; the connecting member 2 may also be fixedly connected with the suspension cross beam 1 by welding, integral molding, and the like, which is not limited herein.

The first connecting portion 21 is further provided with a plurality of second mounting holes 211, the positions of the second mounting holes 211 on the first connecting portion 21 correspond to the positions of the first mounting holes 14 on the first mounting portion 12 or the second mounting portion 13 one by one, and the first connecting portion 21 passes through the second mounting holes 211 and the first mounting holes 14 in sequence through bolts (not shown in the figure) and then is detachably connected with the first mounting portion 12 and/or the second mounting portion 13.

Because the plurality of first mounting holes 14 are distributed at intervals along the length direction of the suspension beam 1, in the process of detachably connecting the connecting piece 2 with the suspension beam 1, the depth of the first mounting part 12 or the second mounting part 13 inserted into the mounting groove 212 can be adjusted, and then the connecting piece 2 and the first mounting part 12 or the second mounting part 13 are detachably connected after the bolts sequentially pass through the second mounting hole 211 and the first mounting hole 14, so that the performance requirements of different vehicle widths are met, and the universality of the suspension device 100 is improved.

For example, when the number of the first mounting holes 14 is four and the first mounting holes 14 are distributed in a rectangular shape, the depth of the first mounting portion 12 or the second mounting portion 13 inserted into the mounting groove 212 may be reduced when the vehicle width becomes larger, and the bolts may pass through the group of the second mounting holes 211 on the first connecting portion 21, which are far from the second connecting portion 22, and the group of the first mounting holes 14 on the first mounting portion 12 or the second mounting portion 13, which are far from the beam body 11, in order to detachably connect the connecting member 2 to the suspension beam 1.

Specifically, the second mounting hole 211 may be a threaded hole, a bolt is locked in the second mounting hole 211 through a screw-fit, and one end of the bolt may be inserted into the third mounting hole 153 of the bolt sleeve 15 after passing through the second mounting hole 211.

When the third mounting hole 153 is a through hole penetrating the axial portion 151 and the fixing portion 152, one end of the bolt may be inserted into the third mounting hole 153 through an opening in the axial portion 151 or may be inserted into the third mounting hole 153 through an opening in the fixing portion 152. When the third mounting hole 153 is a blind hole opened in the axial portion 151, one end of a bolt may be inserted into the third mounting hole 153 from an opening in the axial portion 151.

It is understood that the bolt housing 15 may be internally threaded, that is, the third mounting hole 153 is a threaded hole, the second mounting hole 211 is a through hole penetrating through the first connecting portion 21 and communicating with the mounting groove 212, and one end of the bolt is locked in the third mounting hole 153 inside the threaded housing by a screw-fit after penetrating through the second mounting hole 211.

When the third mounting hole 153 is a threaded hole penetrating the axial portion 151 and the fixing portion 152, one end of the bolt may be locked into the third mounting hole 153 from an opening in the axial portion 151 or may be locked into the third mounting hole 153 from an opening in the fixing portion 152. When the third mounting hole 153 is a threaded hole opened in the axial portion 151, one end of the bolt may be locked in the third mounting hole 153 from an opening in the axial portion 151.

A connecting rib 24 is arranged between the first connecting portion 21 and the third connecting portion 23, and the connecting rib 24 extends from one end of the third connecting portion 23 far away from the first connecting portion 21 to one end of the first connecting portion 21 far away from the second connecting portion 22, so as to further enhance the structural rigidity of the connecting member 2.

Referring to fig. 8 and 9, the suspension bracket 3 includes a first fixing plate 31a, a second fixing plate 31b, a third fixing plate 32a, a fourth fixing plate 32b and a connecting plate 33, wherein the third fixing plate 32a is connected to the first fixing plate 31a, the fourth fixing plate 32b is connected to the second fixing plate 31b, and the connecting plate 33 is connected between the first fixing plate 31a and the second fixing plate 31 b.

Specifically, the first fixing plate 31a, the second fixing plate 31b, the third fixing plate 32a, the fourth fixing plate 32b and the connecting plate 33 may be integrally connected by welding, integral molding, or the like. The first fixing plate 31a and the second fixing plate 31b are respectively provided with at least one fourth mounting hole 34, and bolts are passed through the fourth mounting holes 34 and the reserved mounting holes on the motor (not shown in the figure) to detachably connect the motor with the suspension bracket 3.

It will be appreciated that the distance between the two suspension brackets 3 can be adjusted and then connected to the suspension beam 1 to accommodate different types or sizes of motors. The motor may also be connected to the first fixing plate 31a and the second fixing plate 31b by welding or the like to fixedly connect the motor to the suspension bracket 3.

The width distance of the third fixing plate 32a in the direction perpendicular to the length direction of the suspension beam 1 is smaller than the width distance of the first fixing plate 31a in the direction perpendicular to the length direction of the suspension beam 1, and the width distance of the fourth fixing plate 32b in the direction perpendicular to the length direction of the suspension beam 1 is smaller than the width distance of the second fixing plate 31b in the direction perpendicular to the length direction of the suspension beam 1, so that after the first fixing plate 31a and the third fixing plate 32a are connected and after the second fixing plate 31b and the fourth fixing plate 32b are connected, two step structures are formed, and when the suspension bracket 3 is connected with the suspension beam 1, the beam body 11 is supported on the two step structures, so that the suspension bracket 3 is fixedly connected to two adjacent side walls of the beam body 11 by welding from two different directions, thereby enhancing the connection stability of the suspension bracket 3 and the suspension beam 1.

Referring to fig. 7, 10 and 11, the second connecting portion 22 and the third connecting portion 23 are respectively provided with at least one first locking hole 25, and the frame is correspondingly provided with at least one second locking hole, that is, the positions of the second locking holes on the frame correspond to the positions of the first locking holes 25 on the second connecting portion 22 or the third connecting portion 23 one by one. The second connecting portion 22 and the third connecting portion 23 are detachably connected to the frame by bolts passing through the first locking hole 25 and the second locking hole in sequence.

The number of the first locking holes 25 may be one, two, three, four or any other number, and the number of the second locking holes is the same as the number of the first locking holes 25, which is not limited herein. In the embodiment of the present application, the number of the first locking holes 25 formed in the second connecting portion 22 and the third connecting portion 23 is two.

Specifically, the vehicle frame comprises a front longitudinal beam assembly 200 arranged in the front engine room, wherein the front longitudinal beam assembly 200 comprises a first front longitudinal beam 210 and a second front longitudinal beam 220 which are symmetrically arranged at intervals, wherein the first front longitudinal beam 210 comprises a first side wall 211 and a first bottom wall 212 which are adjacent, the second front longitudinal beam 220 comprises a second side wall 221 and a second bottom wall 222 which are adjacent, and the first side wall 211 and the second side wall 221 are opposite to each other.

Two connecting pieces 2 arranged at two ends of the suspension cross beam 1 in the length direction sequentially pass through the first locking hole 25 and the second locking hole through bolts so as to detachably connect the third connecting portion 23 to the first side wall 211 or the second side wall 221 and detachably connect the second connecting portion 22 to the first bottom wall 212 or the second bottom wall 222, so that the second connecting portion 22 is completely attached to the first bottom wall 212 or the second bottom wall 222 and the third connecting portion 23 is completely attached to the first side wall 211 or the second side wall 221, and the connection stability of the connecting pieces 2 and the front longitudinal beam assembly 200 is further ensured.

It is understood that the second connecting portion 22 and the first bottom wall 212 or the second bottom wall 222 may also be fixedly connected by welding or integrally molding, and the third connecting portion 23 and the first side wall 211 or the second side wall 221 may also be fixedly connected by welding or integrally molding, which is not limited herein.

The suspension crossbeam 1, the material of suspension support 3 and connecting piece 2 all can be aluminium or aluminum alloy material, when guaranteeing performance requirements such as sufficient intensity, rigidity, mode, safe collision, can also furthest alleviate self quality, increase whole car continuation of the journey mileage, and in the manufacturing process, because suspension device 100 can the split be a plurality of components of separating alone for single section bar component mould is simple, and easy shaping, has improved the generation efficiency.

During assembly, firstly, the two connecting pieces 2 are sleeved or clamped on the first installation part 12 and the second installation part 13 of the suspension cross beam 1, and the depth of the first installation part 12 or the second installation part 13 inserted into the installation groove 212 formed in the first connection part 21 is adjusted according to the size of the vehicle width and is fixedly connected; then, the two suspension brackets 3 are fixedly connected with the beam body 11 of the suspension beam 1 after adjusting the positions or the intervals according to the types or the positions of the motors; then, the second connecting part 22 and the third connecting part 23 are respectively fixedly connected with the frame; finally, the motor is fixedly connected with the suspension bracket 3, so that the motor is mounted on the frame through the suspension device 100.

Compared with the prior art, in the suspension device 100 provided in the present application, because the second connecting portion 22 extends along the length direction of the suspension beam 1 from the end portion of the first connecting portion 21 away from the suspension beam 1, and the third connecting portion 23 extends along the length direction of the suspension beam 1 perpendicular to the end portion of the first connecting portion 21 away from the suspension beam 1, so that the second connecting portion 22 and the third connecting portion 23 form a step structure, not only the structural rigidity of the connecting member 2 can be enhanced, but also when the connecting member 2 is connected with a vehicle frame, the second connecting portion 22 and the third connecting portion 23 are respectively connected with two side walls of the vehicle frame in different directions, so that the lap joint structure between the connecting member 2 and the vehicle frame is more stable, and the effect of reducing vibration noise is achieved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. A suspension device is characterized by comprising a suspension cross beam, two suspension brackets and two connecting pieces, wherein the two suspension brackets and the two connecting pieces are connected with the suspension cross beam;

the connecting piece includes first connecting portion, the second connecting portion and the third connecting portion of being connected with the frame, wherein, the second connecting portion certainly first connecting portion are kept away from the tip of suspension crossbeam is followed the length direction of suspension crossbeam extends, the third connecting portion certainly first connecting portion is kept away from the tip of suspension crossbeam is along the perpendicular to the length direction of suspension crossbeam extends.

2. The suspension apparatus according to claim 1, wherein the first connecting portion is provided with a mounting groove, and both ends of the suspension beam along the length direction thereof are receivable in the mounting groove.

3. The suspension of claim 2 wherein the suspension beam comprises a beam body, a first mount and a second mount, the beam body being connected between the first mount and the second mount, and the first mount and/or the second mount being receivable in the mount.

4. The suspension device according to claim 3, wherein a plurality of first mounting holes are formed through the first mounting portion and/or the second mounting portion, and a plurality of second mounting holes are correspondingly formed in the first connecting portion;

the first connecting portion sequentially penetrates through the second mounting hole and the first mounting hole and then is detachably connected with the first mounting portion and/or the second mounting portion.

5. The suspension of claim 4, wherein the first plurality of mounting holes are spaced apart along the length of the suspension beam.

6. The suspension of claim 4 or 5, wherein a bolt bushing is fixedly arranged in any one of the first mounting holes.

7. The suspension of claim 6 wherein the second mounting hole is a threaded hole, the bolt is locked therein by a threaded fit, and one end of the bolt is insertable into the bolt sleeve after passing through the second mounting hole.

8. The suspension of claim 6 wherein the bolt bushing is threaded and the bolt is locked into the bolt bushing by a threaded fit after passing through the second mounting hole.

9. The suspension device according to claim 1, wherein at least one first locking hole is formed on the second connecting portion and/or the third connecting portion, and at least one second locking hole is correspondingly formed on the frame;

the second connecting portion and/or the third connecting portion sequentially penetrate through the first locking hole and the second locking hole through bolts and then are detachably connected with the frame.

10. The suspension of claim 1 or 9 wherein a connecting rib is provided between the first and third connection portions.

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