Automobile damping system and vehicle

Abstract

The utility model discloses an automobile damping system and a vehicle, the automobile damping system comprises multiple dampers and at least one connecting rod, each damper comprises at least one damping cavity, the damping cavity is provided with an opening, the multiple dampers comprise four first dampers, four second dampers, four third dampers and four fourth dampers, the four first dampers are respectively distributed at four vertexes of a rectangle; the two ends of the connecting rod are connected with the two adjacent dampers correspondingly, and the ends are arranged in the damping cavity in a sliding mode through the openings. By means of the scheme, the automobile damping system can solve the problems of vibration and abnormal sound, and the NVH performance of the whole automobile is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobiles, in particular to an automobile damping system and a vehicle. BACKGROUND

[0002] With the continuous progress of automobile product technology, the size of the automobile has a trend of increasing, and after the size increases, it is difficult to improve the design parameters of the stiffness and modal structure of the whole vehicle, and then the NVH (Noise, Vibration, Harshness, automobile noise, vibration and comfort) problems such as vibration and abnormal sound may occur. Especially for new energy passenger cars, because the noise is greatly reduced compared with traditional oil cars, the vibration and abnormal sound are particularly prominent. CONTENT OF THE INVENTION

[0003] The technical problem solved by the present application is to provide an automobile damping system and a vehicle, which can improve the vibration and abnormal sound problems and improve the NVH performance of the whole vehicle.

[0004] To solve the above technical problems, one technical scheme adopted by the present application is to provide an automobile damping system, comprising a plurality of dampers and at least one connecting rod, each of the dampers comprising at least one damping cavity, the damping cavity being provided with an opening, the plurality of dampers comprising four first dampers, the four first dampers being respectively distributed at four vertices of a rectangle; two ends of the connecting rod are respectively connected with two adjacent dampers, and the ends are slidingly arranged in the damping cavities through the openings.

[0005] Preferably, the plurality of dampers further comprises a second damper, the second damper being located within the rectangle formed by the four first dampers; the second damper comprises four damping cavities, the openings of the four damping cavities being respectively arranged opposite to the openings of the damping cavities of the four first dampers, and the connecting rod is connected between one of the damping cavities of the second damper and the damping cavity of the first damper.

[0006] Preferably, the second damper is located at the geometric center of the rectangle.

[0007] Preferably, the first damper further comprises a first fixing part, the first fixing part being connected to a side of the damping cavity of the first damper away from the opening.

[0008] Preferably, the first fixing part comprises an outer tube and an inner tube which are arranged in each other, a first bushing is connected between the outer tube and the inner tube, and a locking member is connected in the inner tube.

[0009] Preferably, the second damper further comprises a second fixing part, four damping cavities of the second damper are connected with the second fixing part at one end away from the opening, and the four damping cavities are distributed radially.

[0010] Preferably, the second fixing part comprises a fixing hole, a fixing pipe is arranged in the fixing hole, a second bushing is arranged between an inner wall of the fixing hole and an outer wall of the fixing pipe, and a locking member is arranged in the fixing pipe.

[0011] Another technical solution adopted by the application is a vehicle comprising the automobile damping system, the vehicle wheel and the automobile chassis of any one of the embodiments; the automobile damping system is connected to the bottom of the automobile chassis, and the first dampers are arranged in one-to-one correspondence with the vehicle wheels.

[0012] Preferably, the distance between each first damper and the corresponding vehicle wheel is the same.

[0013] Preferably, each damper is flexibly connected with the automobile chassis.

[0014] The automobile damping system of the application has the following beneficial effects: Different from the prior art, the automobile damping system of the application comprises a plurality of dampers and connecting rods, two ends of one connecting rod are connected with one damper respectively to form a damping assembly, and the damping assembly can efficiently offset and attenuate the force and torque of the vehicle during driving, thereby improving the noise generated by vibration. The four first dampers of the application correspond to the four vehicle wheels respectively. Since the vibration amplitude of the vehicle wheels is the largest during driving, the damping assembly formed by the connecting rod end and the damping cavity of the first damper can efficiently absorb the force and torque of the vehicle wheels, thereby improving the noise and improving the NVH performance of the automobile. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic view of one embodiment of the automobile damping system of the application;

[0016] Figure 2 is an exploded schematic view of Figure 1 ;

[0017] Figure 3 is a partial structural schematic view of one embodiment of the damping system of the application;

[0018] Figure 4 is a structural schematic view of one embodiment of the vehicle of the application;

[0019] Figure 5 is a structural schematic view of another embodiment of the automobile damping system of the application. DETAILED DESCRIPTION

[0020] For the purpose of making the purpose, technical scheme and effect of the present application more clear and explicit, the present application is further described in detail below with reference to the drawings and by taking examples. Obviously, the described examples are only some of the examples of the present application, but not all the examples. Based on the examples in the present application, all the other examples obtained by those skilled in the art without making creative efforts fall within the scope of protection of the present application.

[0021] Referring to Figure 1 and Figure 2 , Figure 1 is a structural schematic view of an embodiment of the automobile damping system of the present application, Figure 2 is Figure 1 an exploded schematic view of the automobile damping system 10. The automobile damping system 10 includes a plurality of dampers 1 and at least one connecting rod 2. In the present example, there are totally five dampers 1, which include four first dampers 11 and one second damper 12. The four first dampers 11 are respectively distributed at the four vertices of a rectangle, i.e. the four first dampers 11 are arranged in the same plane, and the connecting line of the positions where the four first dampers 11 are located can form a rectangle. The second damper 12 is located within the rectangle enclosed by the four first dampers 11, and the second damper 12 is arranged in the same plane with the first dampers 11, and optionally, the second damper 12 is located at the geometric center of the rectangle. Each damper 1 includes at least one damping cavity 101, wherein each first damper 11 includes one damping cavity 101, and each second damper 12 includes four damping cavities 101. An opening 102 is provided on each damping cavity 101, and the openings 102 of the four damping cavities 101 of the second damper 12 are respectively arranged opposite to the openings 102 of the damping cavities 101 of the four first dampers 11. Specifically, the damping cavities 101 are tubular, and the axis of the damping cavity 101 of one first damper 11 is arranged in line with the axis of one damping cavity 101 of the second damper 12. In the present example, there are totally four connecting rods 2, and the two ends of each connecting rod 2 are respectively connected with two adjacent dampers 1, and the ends are arranged in the damping cavities 101 through the openings 102. One connecting rod 2 is connected between one damping cavity 101 of the second damper 12 and the damping cavity 101 of one first damper 11, and the axis of the connecting rod 2 is arranged in line with the axes of the two damping cavities 101 at the two ends thereof.

[0022] The automobile damping system of the present application comprises a plurality of dampers 1 and connecting rods 2, two ends of one connecting rod 2 are respectively connected with one damper 1 to form a damping assembly, the damping assembly can efficiently offset and attenuate the force and torque of the vehicle during driving, and improve the noise generated by vibration. Four first dampers 11 of the present application correspond to four wheels of the vehicle respectively. Since the wheels receive the largest vibration amplitude during driving of the vehicle, the damping assembly formed by the end of the connecting rod 2 and the damping cavity 101 of the first damper 11 can efficiently absorb the force and torque received by the wheels, thereby improving the noise and improving the NVH performance of the automobile.

[0023] In the above embodiment, since the second damper 12 is located in the rectangle, and the two ends of the connecting rod 2 are respectively connected with the second damper 12 and the first damper 11, the connecting rod 2 extends along the diagonal of the rectangle, and can absorb the force and torque in each direction; and the damping system occupies a smaller space, facilitating installation and arrangement.

[0024] Optionally, referring to Figure 2 , the first damper 11 and the second damper 12 are both hydraulic dampers, which have good noise reduction effect and sensitive response, and can improve and enhance the NVH performance of the vehicle. Specifically, the connecting rod 2 comprises a rod portion 21 and a valve plate 22 connected at both ends of the rod portion 21, the valve plate 22 is driven to slide in the hydraulic damping cavity by the rod portion 21, so as to absorb and attenuate the vibration.

[0025] Optionally, referring to Figure 3 , Figure 3 is a partial structure schematic view of an embodiment of the damping system of the present application. The first damper 11 further comprises a first fixing portion 111 connected to one side of the damping cavity 101 of the first damper 11 away from the outlet 102. The first damper 11 is connected with the automobile chassis through the first fixing portion 111, and the first damper 11 can be rigidly connected with the automobile chassis or flexibly connected with the automobile chassis.

[0026] Optionally, referring to Figure 3 , the first fixing portion 111 comprises an outer tube 1111 and an inner tube (not shown) which are sleeved with each other, a first bushing (not shown) is connected between the outer tube 1111 and the inner tube, and a locking member is connected in the inner tube. The locking member can be a bolt 112, the first fixing portion 111 is fixedly connected with the corner portion of the automobile chassis through the locking member, the first fixing portion 111 is flexibly connected with the automobile chassis through the first bushing, avoiding mutual impact between the automobile damping system 10 and the automobile chassis, further absorbing vibration and reducing noise, and further improving the NVH performance of the vehicle.

[0027] Optionally, referring to Figure 3The second damper 12 further comprises a second fixed part 121, four damping cavities 101 of the second damper 12 are connected to the second fixed part 121 at the end away from the outlet 102, and the four damping cavities 101 are distributed radially. The second damper 12 as a whole is in the shape of "X", the second fixed part 121 is located at the intersection point in the center, and four directions can be absorbed by one second damper 12. The second damper 12 is connected to the automobile floor through the second fixed part 121, and the second damper 12 can be rigidly connected or flexibly connected to the automobile chassis.

[0028] Optionally, continuing to refer to Figure 3 The second fixed part 121 comprises a fixed hole 1211, a fixed pipe (not shown in the figure) is arranged in the fixed hole 1211, a second bushing (not shown in the figure) is connected between the inner wall of the fixed hole 1211 and the outer wall of the fixed pipe, and a locking piece is connected in the fixed pipe. The locking piece can be a bolt 112, the second fixed part 121 is fixedly connected to the middle part of the automobile chassis through the locking piece, the second fixed part 121 is flexibly connected to the automobile chassis through the second bushing, the mutual impact between the damping system and the automobile chassis is avoided, vibration and noise can be further absorbed, and the NVH performance of the whole vehicle can be further improved.

[0029] Refer to Figure 4 , Figure 4 is a structural schematic diagram of an embodiment of the vehicle of the present application. The vehicle 100 of the embodiment comprises an automobile chassis 20, four wheels 30 and the automobile damping system 10 of any of the above embodiments. The automobile damping system 10 is connected to the bottom of the automobile chassis 20, and four first dampers 11 are arranged in one-to-one correspondence with the four wheels 30. Specifically, the first damper 11 is connected to the corner of the automobile chassis 20, and the second damper 12 is connected to the center of the automobile chassis 20. The vehicle 100 with the automobile damping system 10 can reduce vibration and noise through the automobile damping system 10, and has strong NVH performance.

[0030] The vehicle 100 provided by the present application comprises various types of vehicles 100, such as electric vehicles 100, hybrid vehicles 100, etc., or sedans, SUVs (sport utility vehicles), MPVs (multi-purpose vehicles), etc., and is especially suitable for large-size passenger cars.

[0031] Optionally, the distance between each first damper 11 and the corresponding wheel 30 is the same, so as to ensure that the vibration and noise reduction degree of each wheel 30 remains consistent.

[0032] Optionally, each damper 1 is flexibly connected to the automobile chassis 20.

[0033] In other embodiments, the damper 1 can only comprise the first damper 11, and the second damper 12 is not arranged. Refer to Figure 5 , Figure 5is a structural schematic diagram of another embodiment of the vehicle damping system of the present application. In the present embodiment, four dampers 1 are provided in total, and the four dampers 1 are all first dampers 11. The four first dampers 11 are respectively distributed at the four vertices of a rectangle, i.e., the four first dampers 11 are coplanarly arranged, and the positions of the four first dampers 11 can form a rectangle. Each first damper 11 comprises a damping cavity 101, and each damping cavity 101 extends along the length direction Y of the vehicle body, and the openings 102 of the damping cavities 101 of the two first dampers 11 in the length direction Y are oppositely arranged. In the present embodiment, two connecting rods 2 are provided in total, arranged in the width direction X of the vehicle body, and the two connecting rods 2 are parallelly arranged, and the two ends of the connecting rod 2 are respectively connected with the two first dampers 11 adjacent in the width direction X, and the ends are slidably arranged in the damping cavities 101 through the openings 102, and the connecting rod 2 extends along the length direction Y. One end of the connecting rod 2 and one first damper 11 form a damping assembly, and the vehicle damping system 10 of the present embodiment comprises four damping assemblies in the length direction Y, and the four damping assemblies are respectively used to offset and attenuate the forces and moments of the four wheels 30.

[0034] In another embodiment, the damping cavities 101 of the first dampers 11 and the connecting rods 2 can also extend along the width direction X of the vehicle body, and the two connecting rods 2 are arranged in the length direction Y of the vehicle body.

[0035] In another embodiment, each first damper 11 comprises two damping cavities 101, one of which extends along the length direction Y, and the other of which extends along the width direction X, and the openings 102 of the damping cavities 101 of the two first dampers 11 in the length direction Y are oppositely arranged, and the openings 102 of the damping cavities 101 of the two first dampers 11 in the width direction X are oppositely arranged. The connecting rods 2 are provided in total in four, two of which are arranged in the width direction X of the vehicle body, and two of which are arranged in the length direction Y of the vehicle body, and the four connecting rods 2 connect the four first dampers 11 into one body to form a frame-shaped structure. The present embodiment can offset and attenuate forces and moments in various directions. In other embodiments, the number of connecting rods 2 can also be three, for example, two can be arranged in the width direction X, and one can be arranged in the length direction Y, or one can be arranged in the width direction X, and two can be arranged in the length direction Y.

[0036] The present application also provides a vehicle 100 comprising a vehicle chassis 20, four wheels 30, and the vehicle damping system 10 of any one of the above embodiments. The vehicle damping system 10 is connected to the bottom of the vehicle chassis 20, and the four first dampers 11 are respectively arranged in one-to-one correspondence with the four wheels 30.

[0037] The above merely describes the embodiments of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which is made by using the content of the present application specification and drawings, is also included in the patent protection scope of the present application.

Claims

1. An automotive damping system, characterized by, The damping system comprises: a plurality of dampers, each of which comprises at least one damping chamber provided with an opening, and four first dampers are included in the plurality of dampers, and the four first dampers are respectively distributed at four vertices of a rectangle; at least one connecting rod, two ends of the connecting rod are respectively connected with two adjacent dampers, and the ends are slidably arranged in the damping chambers through the openings.

2. The damping system according to claim 1, wherein: a second damper is further included in the plurality of dampers, and the second damper is located within the rectangle enclosed by the four first dampers; the second damper comprises four damping chambers, the openings of the four damping chambers are respectively arranged opposite to the openings of the damping chambers of the four first dampers, and the connecting rod is connected between one of the damping chambers of the second damper and the damping chamber of the first damper.

3. The damping system according to claim 2, wherein: the second damper is located at the geometric center of the rectangle.

4. The damping system according to claim 1, wherein: the first damper further comprises a first fixing part connected to a side of the damping chamber of the first damper away from the opening.

5. The damping system according to claim 4, wherein: the first fixing part comprises an outer tube and an inner tube arranged in each other, a first bushing is connected between the outer tube and the inner tube, and a locking member is connected in the inner tube.

6. The damping system according to claim 2 or 3, wherein: the second damper further comprises a second fixing part, one end of each of the four damping chambers of the second damper away from the opening is connected with the second fixing part, and the four damping chambers are radially distributed.

7. The damping system according to claim 6, wherein: the second fixing part comprises a fixing hole, a fixing tube is arranged in the fixing hole, a second bushing is connected between an inner wall of the fixing hole and an outer wall of the fixing tube, and a locking member is connected in the fixing tube.

8. A vehicle characterized by comprising: The damping system comprises: the damping system according to any one of claims 1-7; wheels; an automobile chassis, the damping system is connected to the bottom of the automobile chassis, and each of the first dampers is arranged corresponding to one of the wheels.

9. The vehicle according to claim 8, wherein: the distance between each of the first dampers and the corresponding wheel is the same.

10. The vehicle according to claim 8, wherein: each of the dampers is flexibly connected with the automobile chassis.

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