Motor suspension and vehicle

Abstract

The utility model discloses a motor suspension and a vehicle, the motor suspension comprises: an outer skeleton, the outer skeleton forms a mounting space, and the mounting space is configured to be open downwards; the inner core is installed in the installation space, a rubber body is formed outside the inner core and comprises a first limiting supporting part and a second limiting supporting part, the first limiting supporting part is located between the inner core and the outer framework, and the second limiting supporting part is located at the bottom of the inner core; the inner core is of a polygonal block shape, and a polygonal mounting cavity used for containing the inner core is formed between the first limiting supporting part and the second limiting supporting part. According to the motor suspension disclosed by the embodiment of the utility model, the polygonal mounting cavity is formed by the first limiting support part and the second limiting support part, so that external shear force can be borne by a plurality of side surfaces of the first limiting support part and the second limiting support part together, and the influence of the external shear force on the rubber body is reduced; the fatigue durability and vibration isolation performance of the rubber body can be improved, and the NVH performance of the whole vehicle is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle manufacturing, in particular to a motor suspension and a vehicle with the motor suspension. Background Art

[0002] The automobile powertrain suspension system refers to the system formed by connecting the powertrain to the frame through the motor suspension. The vibration of the powertrain itself and the road excitation force are transmitted to the frame through the motor suspension. The vibration isolation performance of the suspension system is used to reduce the transmission of engine vibration and noise to the frame, and improve the ride comfort and NVH (Noise, Vibration, Harshness) performance of the whole vehicle. A suspension system with good vibration isolation performance can not only reduce the transmission of vibration and noise to the frame chassis and improve the ride comfort of the vehicle, but also protect the engine powertrain. Therefore, minimizing the transmission of vibration and noise generated by the automobile powertrain to the frame is one of the main research contents of automobile vibration reduction and noise reduction. At present, the rubber body structure commonly used in motor suspension is circular, which is greatly affected by external shear force and has poor durability, resulting in poor NVH characteristics of the vehicle, and there is room for improvement. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a motor suspension, which reduces the influence of the external shear force on the rubber body by making multiple sides of the first limit support part and the second limit support part bear the external shear force together, thereby improving the fatigue durability and vibration isolation performance of the rubber body, improving the NVH performance of the whole vehicle, and the overall structure is relatively simple, which can reduce the number of parts and reduce the production cost.

[0004] The motor suspension according to the embodiment of the utility model includes: an outer frame, the outer frame forms an installation space, and the installation space is configured to be open downward; an inner core, the inner core is installed in the installation space, a rubber body is formed outside the inner core, the rubber body includes a first limit support part and a second limit support part, the first limit support part is located between the inner core and the outer frame, and the second limit support part is located at the bottom of the inner core; the inner core is configured as a polygonal block, and a polygonal installation cavity for accommodating the inner core is formed between the first limit support part and the second limit support part.

[0005] According to the motor suspension of the embodiment of the utility model, an installation space is formed on the outer skeleton to install the inner core, and a rubber body is formed outside the inner core. The rubber body includes a first limit support part and a second limit support part. By forming the first limit support part and the second limit support part into a polygonal installation cavity, the external shear force can be jointly borne by multiple side surfaces of the first limit support part and the second limit support part to reduce the influence of the external shear force on the rubber body, thereby improving the fatigue durability and vibration isolation performance of the rubber body, improving the NVH performance of the whole vehicle, and the overall structure is relatively simple, which can reduce the number of components and reduce production costs.

[0006] According to some embodiments of the motor suspension of the present invention, the inner core is constructed as a triangular block, and the inner core includes an inner core bottom surface and two inner core outer side surfaces; the installation cavity is constructed as a triangular cavity, the first limiting support portion is formed with two side support surfaces facing the installation cavity, the second limiting support portion is formed with a lower support surface facing the installation cavity, the inner core bottom surface is supported on the lower support surface, and the two inner core outer side surfaces are distributed opposite to the two side support surfaces.

[0007] According to some embodiments of the motor suspension of the present invention, the first limiting support part includes two side support parts formed with the side support surfaces, the tops of the two side support parts are connected, the bottoms of the two side support parts are spaced apart and respectively connected to the two side edges of the second limiting support part, an arc-shaped supporting surface is formed at the connection between the two side support parts, and an arc-shaped mating surface is formed on the top of the inner core, and the arc-shaped supporting surface is supported and matched with the arc-shaped mating surface.

[0008] According to the motor suspension of some embodiments of the present invention, the exoskeleton includes a top plate and two side plates, the two side plates are spaced apart and connected to both sides of the top plate, and the two side plates extend downward relative to the top plate and are relatively distributed to define the installation space together with the top plate.

[0009] According to the motor suspension of some embodiments of the utility model, the two side panels are provided with a connecting flange, the connecting flange is located at the end of the side panel away from the top plate and extends in a direction away from the installation space, and the connecting flange is provided with a connecting portion for connecting to the frame.

[0010] According to the motor suspension of some embodiments of the present invention, a main mounting hole and an auxiliary mounting hole are formed in the inner core, the main mounting hole and the auxiliary mounting hole are spaced apart and distributed along the Z direction, and the aperture of the main mounting hole is larger than the aperture of the auxiliary mounting hole.

[0011] According to some embodiments of the motor suspension of the present invention, a mounting column at least partially protruding downward is formed at the bottom of the inner core, and the main mounting hole is formed in the mounting column; and / or the auxiliary mounting hole is formed at the top of the inner core.

[0012] According to the motor suspension of some embodiments of the present invention, weight-reducing grooves are further formed in the inner core, and there are at least two weight-reducing grooves which are respectively located on both sides of the line connecting the main mounting hole and the auxiliary mounting hole.

[0013] According to the motor suspension of some embodiments of the present invention, relatively distributed top flanges are formed on both sides of the top of the rubber body, a mounting groove is formed between the two top flanges, and at least a portion of the exoskeleton is located in the mounting groove and connected to the top flanges.

[0014] The utility model also provides a vehicle.

[0015] The vehicle according to the embodiment of the utility model comprises a powertrain, a vehicle frame and any one of the motor suspensions described above, wherein the inner core is connected to the powertrain, and the outer skeleton is connected to the vehicle frame.

[0016] The advantages of the vehicle and the above-mentioned motor suspension over the prior art are the same and will not be elaborated here.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 The structure diagram of the motor suspension according to the embodiment of the utility model is shown in FIG. Figure 1 ;

[0020] Figure 2 The structure diagram of the motor suspension according to the embodiment of the utility model is shown in FIG. Figure 2 ;

[0021] Figure 3 The structure of the rubber body of the motor suspension according to the embodiment of the utility model is shown in FIG. Figure 1 ;

[0022] Figure 4 The structure of the rubber body of the motor suspension according to the embodiment of the utility model is shown in FIG. Figure 2 ;

[0023] Figure 5is a schematic structural diagram of an exoskeleton of a motor suspension according to an embodiment of the utility model;

[0024] Figure 6 It is a structural schematic diagram of the inner core of the motor suspension according to an embodiment of the utility model;

[0025] Figure 7 It is a schematic diagram of assembling a motor suspended on a vehicle according to an embodiment of the utility model.

[0026] Reference numerals:

[0027] Motor suspension 100,

[0028] Exoskeleton 1, installation space 11, top plate 12, side plate 13, connecting flange 131, connecting portion 1311, inner core 2, main mounting hole 21, auxiliary mounting hole 22, mounting column 23, weight reduction groove 24, arc-shaped matching surface 25, inner core bottom surface 26, inner core outer side surface 27, rubber body 3, top flange 31, mounting groove 311, first position-limiting support portion 32, side support portion 321, side support surface 3211, arc-shaped support surface 3212, second position-limiting support portion 33, lower support surface 331, mounting cavity 34,

[0029] Powertrain 101 and vehicle frame 102 . DETAILED DESCRIPTION

[0030] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0031] In the description of the present utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] Unless otherwise specified, the front-to-back direction in the present application is the longitudinal direction of the vehicle, that is, the X direction; the left-right direction is the lateral direction of the vehicle, that is, the Y direction; and the up-down direction is the vertical direction of the vehicle, that is, the Z direction.

[0034] Reference below Figure 1-Figure 7 The motor suspension 100 according to the embodiment of the utility model is described. By making multiple side surfaces of the first limit support portion 32 and the second limit support portion 33 bear the external shear force together, the influence of the external shear force on the rubber body 3 is reduced, thereby improving the fatigue durability and vibration isolation performance of the rubber body 3, improving the NVH performance of the whole vehicle, and the overall structure is relatively simple, which can reduce the number of parts and reduce the production cost.

[0035] like Figure 1-Figure 7 As shown, a motor suspension 100 according to an embodiment of the present invention includes: an outer frame 1 and an inner core 2 .

[0036] The outer frame 1 is formed with an installation space 11 , and the installation space 11 is configured to be open downward.

[0037] Specifically, an exoskeleton 1 is provided in the motor suspension 100, and the exoskeleton 1 can be used to protect and support other components in the motor suspension 100. A downwardly open installation space 11 is formed on the exoskeleton 1 to facilitate the installation and maintenance of other components in the motor suspension 100 from below the exoskeleton 1, thereby improving the convenience and safety of operation.

[0038] The inner core 2 is installed in the installation space 11, and a rubber body 3 is formed outside the inner core 2. The rubber body 3 includes a first limit support portion 32 and a second limit support portion 33. The first limit support portion 32 is located between the inner core 2 and the outer frame 1, and the second limit support portion 33 is located at the bottom of the inner core 2.

[0039] Specifically, an inner core 2 is also provided in the motor suspension 100. The inner core 2 can play a connecting role to achieve the connection between the motor and other components on the vehicle. The inner core 2 is arranged in the installation space 11 to achieve the installation of the inner core 2 in the motor suspension 100. At the same time, a rubber body 3 is formed on the outside of the inner core 2. The setting of the rubber body 3 can be used to attenuate and isolate the vibration and noise generated by the motor during operation, thereby improving the NVH performance of the entire vehicle. The inner core 2 can be wrapped by the rubber body 3 to play a vibration isolation role, and the outer skeleton 1 can be connected to the inner core 2 through the rubber body 3, thereby reducing the outer tube structure between the outer skeleton 1 and the rubber body 3, reducing the number of parts, simplifying the production and assembly process, and reducing production costs.

[0040] And, if Figure 1-Figure 2 As shown, the inner core 2 is arranged below the outer frame 1, and the first limiting support part 32 is arranged between the inner core 2 and the outer frame 1, so that the inner core 2 can be limited and supported from the top of the inner core 2 by the first limiting support part 32, and the second limiting support part 33 is arranged at the bottom of the inner core 2, so that the inner core 2 can be limited and supported from the bottom of the inner core 2 by the second limiting support part 33, and then the inner core 2 can be limited and supported together by the first limiting support part 32 and the second limiting support part 33, which can improve the accuracy of the installation position of the inner core 2 and improve the stability of the installation of the inner core 2.

[0041] It should be noted that, Figure 2 As shown, the first limit support portion 32 and the second limit support portion 33 have different structures, even if the rubber body 3 is an asymmetric structure in the Z direction, so that when the rubber body 3 is compressed or stretched to the limit under the action of external force, premature fatigue failure of the first limit support portion 32 or the second limit support portion 33 can be avoided, and the fatigue durability of the rubber body 3 can be improved. In addition, there are differences in the changes in dynamic stiffness and hysteresis angle under high-frequency and small-amplitude excitation, which can reduce the dynamic hardening of the rubber body 3, improve the vibration isolation performance, and further improve the NVH performance of the entire vehicle.

[0042] The inner core 2 is configured as a polygonal block, and a polygonal mounting cavity 34 for accommodating the inner core 2 is formed between the first position-limiting support portion 32 and the second position-limiting support portion 33 .

[0043] Specifically, the inner core 2 can be constructed into a polygonal block, that is, a triangular block, a rectangular block or a pentagonal block, etc. At the same time, an installation cavity 34 is formed between the first limit support part 32 and the second limit support part 33. The installation cavity 34 is used to accommodate the inner core 2. The shape of the installation cavity 34 can also be polygonal to adapt to the shape of the inner core 2 and better cooperate with the inner core 2 to improve the reliability of the installation of the inner core 2. In addition, the first limit support part 32 and the second limit support part 33 form a polygonal installation cavity 34, even if the rubber body 3 is also polygonal, so that the multiple sides of the first limit support part 32 and the second limit support part 33 can jointly bear the external shear force to reduce the influence of the external shear force on the rubber body 3, thereby improving the fatigue durability and vibration isolation performance of the rubber body 3 and improving the NVH performance of the whole vehicle.

[0044] Therefore, by setting the outer skeleton 1 in the motor suspension 100, and making the outer skeleton 1 form an installation space 11 to install the inner core 2, at the same time, a rubber body 3 is formed on the outside of the inner core 2, and the rubber body 3 includes a first limit support part 32 and a second limit support part 33, and the first limit support part 32 and the second limit support part 33 form a polygonal installation cavity 34, so that the external shear force can be jointly borne by multiple side surfaces of the first limit support part 32 and the second limit support part 33, so as to improve the fatigue durability and vibration isolation performance of the rubber body 3.

[0045] According to the motor suspension 100 of the embodiment of the utility model, the outer skeleton 1 is formed with a mounting space 11 to mount the inner core 2, and a rubber body 3 is formed outside the inner core 2. The rubber body 3 includes a first limiting support portion 32 and a second limiting support portion 33. By forming a polygonal mounting cavity 34 with the first limiting support portion 32 and the second limiting support portion 33, the external shear force can be jointly borne by multiple side surfaces of the first limiting support portion 32 and the second limiting support portion 33 to reduce the influence of the external shear force on the rubber body 3, thereby improving the fatigue durability and vibration isolation performance of the rubber body 3, improving the NVH performance of the entire vehicle, and the overall structure is relatively simple, which can reduce the number of components and reduce production costs.

[0046] In some embodiments, the inner core 2 is configured as a triangular block, and the inner core 2 includes an inner core bottom surface 26 and two inner core outer side surfaces 27 .

[0047] Specifically, Figure 6 As shown, the inner core 2 is a polygonal block, and the inner core 2 can be constructed into a triangular block, and the inner core 2 includes an inner core bottom surface 26 and two inner core outer side surfaces 27, that is, the inner core bottom surface 26 and the inner core outer side surfaces 27 can be connected in sequence to make the inner core 2 a triangular block.

[0048] The mounting cavity 34 is constructed as a triangular cavity, the first limiting support portion 32 is formed with two side support surfaces 3211 facing the mounting cavity 34, the second limiting support portion 33 is formed with a lower support surface 331 facing the mounting cavity 34, the inner core bottom surface 26 is supported on the lower support surface 331, and the two inner core outer side surfaces 27 are distributed opposite to the two side support surfaces 3211.

[0049] Specifically, the mounting cavity 34 is used to accommodate the inner core 2. The inner core 2 is constructed as a triangular block, and the mounting cavity 34 is constructed as a triangular cavity, so that the mounting cavity 34 can adapt to the shape of the inner core 2 to better install the inner core 2. At the same time, the first limiting support portion 32 forms a side support surface 3211 facing the mounting cavity 34, so that the two side support surfaces 3211 can approach the two inner core outer side surfaces 27 to provide limiting support for the two inner core outer side surfaces 27 through the two side support surfaces 3211, and the two inner core outer side surfaces 27 are distributed opposite to the two side support surfaces 3211, so that the two side support surfaces 3211 correspond one-to-one to the two inner core outer side surfaces 27, that is, for each inner core outer side surface 27, there is a side support surface 3211 to provide limiting support for it, which can improve the reliability of using the side support surfaces 3211 to limit the inner core outer side surface 27.

[0050] In addition, the second limiting support portion 33 forms a lower supporting surface 331 facing the installation cavity 34, so that the lower supporting surface 331 can approach the inner core bottom surface 26, so as to limit the inner core bottom surface 26 through the lower supporting surface 331, and the inner core bottom surface 26 is supported on the lower supporting surface 331, that is, the lower supporting surface 331 can support the inner core bottom surface 26 below the inner core bottom surface 26, thereby, the two inner core outer side surfaces 27 and one inner core bottom surface 26 of the inner core 2 can be limited and supported respectively by the two side supporting surfaces 3211 and one lower supporting surface 331, that is, the inner core 2 can be limited and supported, so as to ensure the accuracy of the installation position of the inner core 2 and improve the stability of the installation of the inner core 2.

[0051] In some embodiments, the first limiting support portion 32 includes two side support portions 321 formed with side support surfaces 3211, the tops of the two side support portions 321 are connected, the bottoms of the two side support portions 321 are spaced apart and respectively connected to the two side edges of the second limiting support portion 33, an arc-shaped support surface 3212 is formed at the connection between the two side support portions 321, and an arc-shaped mating surface 25 is formed at the top of the inner core 2, and the arc-shaped support surface 3212 is supported and mated with the arc-shaped mating surface 25.

[0052] That is to say, Figure 3-Figure 4As shown, the first limiting support portion 32 includes two side support portions 321, and the two side support portions 321 are both formed with side support surfaces 3211, so that the two side support surfaces 3211 can be used to limit the support of the two inner core outer side surfaces 27. The tops of the two side support portions 321 are connected and the bottoms are spaced apart, so that the two side support portions 321 are in a "V" shape, and the angle between the two side support surfaces 3211 can be equal to the angle between the two inner core outer side surfaces 27, so that the two side support surfaces 3211 can be better used to limit the support of the two inner core outer side surfaces 27.

[0053] At the same time, the bottoms of the two side support parts 321 are connected to the two side edges of the second limiting support part 33 respectively, so that the first limiting support part 32 and the second limiting support part 33 can be connected, so that the rubber body 3 is a whole, which can improve the structural strength of the rubber body 3, and the first limiting support part 32 and the second limiting support part 33 can be triangular in shape, forming a triangular installation cavity 34 to better accommodate and support the inner core 2, and the connection between the two side support parts 321 forms an arc-shaped supporting surface 3212, which can make the connection smooth and avoid deformation failure due to stress concentration, and the top of the inner core 2 forms an arc-shaped matching surface 25, which can make the arc-shaped supporting surface 3212 support and match with the arc-shaped matching surface 25, so that the arc-shaped supporting surface 3212 is used to limit and support the arc-shaped matching surface 25, and further improve the reliability of using the first limiting support part 32 to support the inner core 2.

[0054] Also, it should be noted that by making the first limit support portion 32 into a "V" shape, the two side support portions 321 can be used to jointly withstand the external shear force, so as to reduce the impact of the external shear force on the rubber body 3, improve the fatigue durability and vibration isolation performance of the rubber body 3, and improve the NVH performance of the entire vehicle.

[0055] In some embodiments, the exoskeleton 1 includes a top plate 12 and two side plates 13 , wherein the two side plates 13 are spaced apart and connected to both sides of the top plate 12 , and the two side plates 13 extend downward relative to the top plate 12 and are relatively distributed to define an installation space 11 together with the top plate 12 .

[0056] Specifically, Figure 5As shown, the two side panels 13 are spaced apart and connected to the two sides of the top plate 12, so that the exoskeleton 1 can be a whole, the structural strength of the exoskeleton 1 can be improved, and the weight of the exoskeleton 1 can be reduced to a certain extent, thereby reducing the weight of the motor suspension 100 and meeting the lightweight requirements of the vehicle. At the same time, the two side panels 13 are extended downward relative to the top plate 12 and are relatively distributed, so that the exoskeleton 1 can be in the shape of a "J", and the exoskeleton 1 can be symmetrical on the left and right, which can reduce the types of mold cavity development, simplify the production process, and reduce the production cost. The structure of the exoskeleton 1 can also be simpler, and the top plate 12 and the two side panels 13 can jointly define an installation space 11 for installing the inner core 2 and the rubber body 3.

[0057] In some embodiments, both side panels 13 are provided with a connecting flange 131 , which is located at one end of the side panel 13 away from the top panel 12 and extends in a direction away from the installation space 11 , and the connecting flange 131 is provided with a connecting portion 1311 for connecting to the frame 102 .

[0058] Specifically, a connecting flange 131 is provided on both side panels 13, and the connecting flange 131 is used to connect the exoskeleton 1 with the frame 102. The connecting flange 131 is provided at the end of the side panel 13 away from the top panel 12, so that one end of the side panel 13 is connected to the top panel 12, and the other end is connected to the connecting flange 131, and the connecting flange 131 is extended in a direction away from the installation space 11, that is, the connecting flange 131 extends in a direction away from the rubber body 3 and the inner core 2, so as to prevent the connecting flange 131 from affecting the installation of the rubber body 3 and the inner core 2, resulting in failure The situation of illegal installation occurs, and the connecting flange 131 has a certain length to facilitate connection with the frame 102, and a connecting portion 1311 for connecting with the frame 102 is provided on the connecting flange 131, that is, the exoskeleton 1 can be connected to the frame 102 through the connecting portion 1311, and the exoskeleton 1 includes two side panels 13, that is, includes two connecting flanges 131, that is, includes two connecting portions 1311, and then the exoskeleton 1 can be connected to the frame 102 through the two connecting portions 1311, which can improve the connection reliability and stability between the two.

[0059] Among them, Figure 1 and Figure 5 As shown, the connection portion 1311 may be configured as a connection hole, through which a connection piece may pass to achieve connection between the exoskeleton 1 and the vehicle frame 102 .

[0060] In some embodiments, a main mounting hole 21 and an auxiliary mounting hole 22 are formed in the inner core 2 . The main mounting hole 21 and the auxiliary mounting hole 22 are spaced apart and distributed along the Z direction, and the aperture of the main mounting hole 21 is larger than the aperture of the auxiliary mounting hole 22 .

[0061] Specifically, both the main mounting hole 21 and the auxiliary mounting hole 22 can be used to realize the connection between the inner core 2 and other components on the vehicle. When connecting the inner core 2 to other components, the connection can be made only through the main mounting hole 21 or the auxiliary mounting hole 22, or through both the main mounting hole 21 and the auxiliary mounting hole 22. The inner core 2 can also be connected to two different components through the main mounting hole 21 and the auxiliary mounting hole 22 respectively, which can increase the selection range of assembly combinations and increase the application range of the inner core 2. At the same time, the main mounting hole 21 and the auxiliary mounting hole 22 are spaced apart and distributed along the Z direction, so that there is a certain distance between the main mounting hole 21 and the auxiliary mounting hole 22 to avoid interference when connecting with other components, resulting in failure to connect. In addition, the aperture of the main mounting hole 21 is made larger than the aperture of the auxiliary mounting hole 22, that is, the aperture of the main mounting hole 21 and the aperture of the auxiliary mounting hole 22 are constructed to be different, so that when the inner core 2 is connected to other components, it can adapt to components of different sizes, thereby increasing the application range of the motor suspension 100.

[0062] In some embodiments, a mounting column 23 at least partially protruding downward is formed at the bottom of the inner core 2 , and the main mounting hole 21 is formed in the mounting column 23 .

[0063] Specifically, the inner core 2 is formed with a mounting column 23, which is used to provide a setting position for the main mounting hole 21. The mounting column 23 protrudes downward from the bottom of the inner core 2, so that a certain distance is provided between the main mounting hole 21 and the auxiliary mounting hole 22 to avoid interference when the inner core 2 is connected with other components.

[0064] It should be noted that the second position-limiting support portion 33 can be constructed to adapt to the shape of the mounting column 23 , so that the second position-limiting support portion 33 can better position-limit and support the inner core 2 from the bottom of the inner core 2 .

[0065] And / or, the auxiliary mounting hole 22 is formed at the top of the inner core 2 .

[0066] Specifically, the auxiliary mounting hole 22 is formed at the top of the inner core 2, and the main mounting hole 21 and the auxiliary mounting hole 22 are distributed along the Z direction, so that the mounting column 23 can protrude downward from the middle position of the bottom of the inner core 2, and the distance between the main mounting hole 21 and the auxiliary mounting hole 22 can be increased to provide sufficient space for the connection between the main mounting hole 21 and the auxiliary mounting hole 22 and other components, thereby effectively avoiding interference when connecting the inner core 2 with other components.

[0067] In some embodiments, a weight-reducing groove 24 is further formed in the inner core 2 . There are at least two weight-reducing grooves 24 , which are respectively located on both sides of the line connecting the main mounting hole 21 and the auxiliary mounting hole 22 .

[0068] Specifically, the weight-reducing groove 24 can play a role in reducing weight. The weight-reducing groove 24 is set in the inner core 2, and the weight-reducing groove 24 can be used to reduce the overall weight of the inner core 2. The number of the weight-reducing grooves 24 is set to at least two, that is, the weight-reducing grooves 24 can be set to two, three or more, so as to effectively reduce the weight of the inner core 2, and then reduce the weight of the motor suspension 100 to meet the lightweight requirements of the vehicle. In addition, the weight-reducing grooves 24 are set on both sides of the line connecting the main mounting hole 21 and the auxiliary mounting hole 22 to ensure the structural strength between the main mounting hole 21 and the auxiliary mounting hole 22, so as to avoid cracks between the main mounting hole 21 and the auxiliary mounting hole 22 when the main mounting hole 21 or the auxiliary mounting hole 22 is connected to other components, thereby damaging the inner core 2.

[0069] In such Figure 6 In the illustrated embodiment, two weight-reducing grooves 24 are provided on the inner core 2, and the weight-reducing grooves 24 run through from one side of the inner core 2 to the other side, so as to effectively reduce the weight of the inner core 2 and meet the lightweight requirements of the vehicle. The number of weight-reducing grooves 24 is not limited to that described in the present embodiment, and as many as possible can be provided while ensuring the structural strength of the inner core 2.

[0070] In some embodiments, oppositely distributed top flanges 31 are formed on both sides of the top of the rubber body 3 , a mounting groove 311 is formed between the two top flanges 31 , and at least a portion of the exoskeleton 1 is located in the mounting groove 311 and connected to the top flanges 31 .

[0071] Specifically, two top flanges 31 are formed on the top of the rubber body 3, and the two top flanges 31 are relatively distributed so that there is a certain distance between the two top flanges 31, and a mounting groove 311 is formed between the two top flanges 31. The mounting groove 311 is used to achieve a mating connection with other components. At least a part of the exoskeleton 1 is arranged in the mounting groove 311 and connected to the top flange 31. The connection between the exoskeleton 1 and the rubber body 3 can be achieved through the mounting groove 311, and the exoskeleton 1 can be limited by the two top flanges 31 to ensure the accuracy of the mating position between the exoskeleton 1 and the rubber body 3.

[0072] Furthermore, it should be noted that the inner core 2 can be made of metal material and can be manufactured by extrusion molding or casting molding, the rubber body 3 can be made of natural rubber and can be manufactured by vulcanization molding, and the outer frame 1 can be made of resin or metal material and can be manufactured by injection molding or casting molding, that is, the inner core 2, the rubber body 3 and the outer frame 1 can all be an integrally formed part to enhance the structural strength of the inner core 2, the rubber body 3 and the outer frame 1. Among them, the rubber body 3 can also be vulcanized on the inner core 2 at the same time, which can further simplify the assembly process.

[0073] The utility model also provides a vehicle.

[0074] The vehicle according to the embodiment of the utility model comprises a power assembly 101, a frame 102 and any one of the above motor suspensions 100, the inner core 2 is connected to the power assembly 101, and the outer frame 1 is connected to the frame 102. Figure 7 As shown, the inner core 2 is connected to the powertrain 101, and the outer skeleton 1 is connected to the frame 102, so that the powertrain 101 can be connected to the frame 102 through the motor suspension 100 to achieve the installation of the powertrain 101 on the vehicle, and the first limit support part 32 and the second limit support part 33 in the motor suspension 100 can form a polygonal installation cavity 34, so that the external shear force can be jointly borne by multiple sides of the first limit support part 32 and the second limit support part 33 to reduce the influence of the external shear force on the rubber body 3, thereby improving the fatigue durability and vibration isolation performance of the rubber body 3, and improving the NVH performance of the whole vehicle. In addition, the overall structure of the motor suspension 100 is relatively simple, which can reduce the number of components and reduce production costs.

[0075] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0076] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A motor suspension, characterized in that: include: An exoskeleton, wherein the exoskeleton forms an installation space, and the installation space is configured to be open downward; An inner core, the inner core is installed in the installation space, a rubber body is formed outside the inner core, the rubber body includes a first position-limiting support portion and a second position-limiting support portion, the first position-limiting support portion is located between the inner core and the outer frame, and the second position-limiting support portion is located at the bottom of the inner core; The inner core is configured as a polygonal block, and a polygonal mounting cavity for accommodating the inner core is formed between the first position-limiting support portion and the second position-limiting support portion.

2. The motor mount according to claim 1, characterized in that: The inner core is in a triangular block shape, and includes an inner core bottom surface and two inner core outer side surfaces; The installation cavity is constructed as a triangular cavity, the first limiting support portion is formed with two side support surfaces facing the installation cavity, the second limiting support portion is formed with a lower support surface facing the installation cavity, the bottom surface of the inner core is supported on the lower support surface, and the two outer side surfaces of the inner core are distributed opposite to the two side support surfaces.

3. The motor suspension according to claim 2, characterized in that: The first position limiting support portion includes two side support portions formed with the side support surfaces, the tops of the two side support portions are connected, the bottoms of the two side support portions are spaced apart and respectively connected to the two side edges of the second position limiting support portion, an arc-shaped support surface is formed at the connection between the two side support portions, and an arc-shaped mating surface is formed at the top of the inner core, and the arc-shaped support surface is supported and matched with the arc-shaped mating surface.

4. The motor suspension according to claim 1, characterized in that: The outer frame includes a top plate and two side plates, the two side plates are spaced apart and connected to two sides of the top plate, and the two side plates extend downward relative to the top plate and are relatively distributed to define the installation space together with the top plate.

5. The motor suspension according to claim 4, characterized in that: Both of the two side panels are provided with a connecting flange, the connecting flange is located at one end of the side panel away from the top panel and extends in a direction away from the installation space, and the connecting flange is provided with a connecting portion for connecting to the frame.

6. The motor suspension according to claim 1, characterized in that: A main mounting hole and an auxiliary mounting hole are formed in the inner core. The main mounting hole and the auxiliary mounting hole are spaced apart and distributed along the Z direction, and the aperture of the main mounting hole is larger than the aperture of the auxiliary mounting hole.

7. The motor suspension according to claim 6, characterized in that: The bottom of the inner core is formed with a mounting column which at least partially protrudes downward, and the main mounting hole is formed in the mounting column; And / or, the auxiliary mounting hole is formed at the top of the inner core.

8. The motor suspension according to claim 6, characterized in that: The inner core is also formed with weight-reducing grooves, and there are at least two weight-reducing grooves which are respectively located on both sides of the line connecting the main mounting hole and the auxiliary mounting hole.

9. The motor mount according to claim 1, characterized in that: Top flanges are formed on both sides of the top of the rubber body and are distributed opposite to each other. A mounting groove is formed between the two top flanges. At least a part of the outer frame is located in the mounting groove and is connected to the top flanges.

10. A vehicle, characterized in that: It comprises a powertrain, a vehicle frame and the motor suspension according to any one of claims 1 to 9, wherein the inner core is connected to the powertrain, and the outer skeleton is connected to the vehicle frame.

Images