Motor sound insulation mat, motor assembly, and vehicle

Abstract

This invention discloses a motor sound insulation pad, a motor assembly, and a vehicle. The motor sound insulation pad includes a main body and a first protective member. The main body has a through-hole half-shaft notch, which includes a first region and a second region. The first region is for the half-shaft to pass through, and the second region is located below the first region. The first protective member is connected to the main body of the sound insulation pad, and along the through-hole direction of the half-shaft notch, the orthographic projection of the first protective member on the main body of the sound insulation pad covers the second region. In this embodiment of the invention, the first protective member can shield part of the exposed area of ​​the drive motor, increasing the overall protection area, thereby improving the protection against mud and sand splashed by the wheels, water impact during wading, etc., and reducing the amount of water entering the drive motor and half-shaft.

Description

Technical Field

[0001] This invention relates to the field of vehicle technology, and more particularly to a motor sound insulation pad, a motor assembly, and a vehicle. Background Technology

[0002] To improve the NVH (Noise, Vibration, and Harshness) performance of the drive motor in a vehicle, sound-absorbing pads are typically wrapped around the drive motor to eliminate its noise. These pads have notches to allow the half-shaft connected to the drive motor to pass through.

[0003] However, the aforementioned sound insulation pads cannot completely cover the drive motor, leaving a portion of the drive motor exposed. During vehicle operation, mud and sand splashed by the wheels, as well as water impact during wading, will affect the drive motor and half-shaft, thus impacting their service life. Summary of the Invention

[0004] The present invention provides a motor sound insulation pad, a motor assembly, and a vehicle, aiming to at least solve the technical problems in the prior art.

[0005] In a first aspect of the present invention, a motor sound insulation pad is provided, comprising:

[0006] The sound insulation pad body has a through-hole half-shaft notch, the half-shaft notch includes a first region and a second region, the first region is for the half-shaft to pass through, and the second region is located below the first region;

[0007] The first protective component is connected to the sound insulation pad body and extends along the through direction of the half-shaft notch. The orthographic projection of the first protective component on the sound insulation pad body covers the second area.

[0008] Optionally, the first protective member includes a first main body plate portion, which covers the second area along the through direction of the half-shaft notch, and the orthographic projection of the first main body plate portion on the sound insulation pad body covers the second area, and a through protective plate notch is formed on the top side of the first main body plate portion.

[0009] Optionally, the first protective member further includes a first brim portion that is angled to the first main body plate portion. The first brim portion is located at the edge of the notch in the protective plate portion and extends along the through direction of the half-shaft notch portion. The first brim portion protrudes from the outer surface of the sound insulation pad body.

[0010] Optionally, the shape of the notch in the protective plate is arc-shaped, and the shape of the cross section of the first brim that is perpendicular to the penetrating direction of the half-shaft notch is arc-shaped.

[0011] Optionally, the first main body plate is connected to the inner surface of the sound insulation pad body.

[0012] Optionally, a limiting part is provided on the first main body plate, the limiting part having a limiting bottom surface, the limiting bottom surface contacting the inner wall of the half-shaft notch.

[0013] Optionally, the thickness of the first main body plate is greater than or equal to 1.5 mm and less than or equal to 2.5 mm;

[0014] And / or, the thickness of the first brim is greater than or equal to 2.5 mm and less than or equal to 3.5 mm.

[0015] Optionally, a plurality of first reinforcing ribs are provided on the first brim, and the first reinforcing ribs extend along the through direction of the half-shaft notch;

[0016] And / or, a plurality of second reinforcing ribs are provided on the first brim, the second reinforcing ribs extending along the height direction of the sound insulation pad body.

[0017] Optionally, the first protective component is made of thermoplastic vulcanized rubber;

[0018] And / or, the Shore hardness D of the first protective component is 40-60.

[0019] Optionally, the sound insulation pad body includes an upper sound insulation pad and a lower sound insulation pad, and the half-shaft notch includes an upper half notch formed on the upper sound insulation pad and a lower half notch formed on the lower sound insulation pad;

[0020] The second region is located in the lower part of the lower half-gap away from the upper half-gap, and the first protective member is connected to the lower sound insulation pad.

[0021] Optionally, the motor sound insulation pad further includes a second protective component, which is connected to the upper sound insulation pad and is located on the upper side of the first protective component;

[0022] The second protective component includes a second brim portion located at the edge of the upper half notch, extending along the through direction of the half-axis notch, and protruding from the outer surface of the sound insulation pad body.

[0023] Optionally, the cross-section of the second brim that is perpendicular to the through direction of the half-axis notch is arc-shaped.

[0024] Optionally, both ends of the second brim extend to both ends of the upper half notch along the first direction, and both ends of the second brim are in contact with the first protective member. The first direction is perpendicular to the through direction of the half-shaft notch and perpendicular to the height direction of the sound insulation pad body.

[0025] In a second aspect of the invention, a motor assembly is also provided, including a drive motor and a motor sound insulation pad as described above.

[0026] In a third aspect of the invention, a vehicle is also provided, including the motor assembly described above.

[0027] In this embodiment of the invention, a first protective member is connected to the main body of the sound insulation pad. The orthographic projection of the first protective member on the main body of the sound insulation pad covers the second area. That is, the first protective member can shield part of the exposed area of ​​the drive motor, reducing the exposed area of ​​the drive motor and increasing the overall protection area. This improves the protection against mud and sand splashed by the wheels, water impact during wading, etc., reduces the amount of water entering the drive motor and half-shaft, thereby reducing the risk of damage to the drive motor and half-shaft and increasing the service life of the drive motor and half-shaft. In addition, in this embodiment, the orthographic projection of the first protective member on the main body of the sound insulation pad only covers the second area and does not cover the first area, so that the motor sound insulation pad can leave enough space for the half-shaft to pass through, which can meet the requirements of vehicle layout, driving, and performance. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0029] Figure 1 This is a structural diagram of the rear drive motor sound insulation pad, rear drive motor, rear half-shaft, and rear wheel in the related technology.

[0030] Figure 2 This is a schematic diagram of the structure of a motor sound insulation pad provided in an embodiment of the present invention;

[0031] Figure 3 This is a schematic diagram of the structure of the main body of the sound insulation pad in a motor sound insulation pad provided in an embodiment of the present invention;

[0032] Figure 4 This is a schematic diagram of the structure of the lower sound insulation pad and the first protective component in a motor sound insulation pad provided in an embodiment of the present invention;

[0033] Figure 5 This is a schematic diagram of the structure of the first protective component in a motor sound insulation pad provided in an embodiment of the present invention. Figure 1 ;

[0034] Figure 6 This is a schematic diagram of the structure of the first protective component in a motor sound insulation pad provided in an embodiment of the present invention. Figure 2 ;

[0035] Figure 7This is a schematic diagram of another motor sound insulation pad provided in an embodiment of the present invention;

[0036] Figure 8 This is a schematic diagram of the structure of the first protective component and the second protective component in another motor sound insulation pad provided in an embodiment of the present invention.

[0037] Figure label:

[0038] 1- Rear drive motor sound insulation pad, 2- Rear drive motor, 3- Rear half shaft, 4- Rear wheel;

[0039] 10-First protective component, 11-First main body plate, 111-Protective plate notch, 12-First brim, 13-Limiting part, 131-Limiting bottom surface, 14-First reinforcing rib, 15-Second reinforcing rib, 16-Guide part, 17-Third reinforcing rib, 20-Second protective component, 21-Second main body plate, 22-Second brim, 30-Sound insulation pad body, 31-Upper sound insulation pad, 311-Upper half notch, 32-Lower sound insulation pad, 321-Lower half notch, 40-Connector. Detailed Implementation

[0040] The technical solutions of the present invention will now be described with reference to the accompanying drawings in the embodiments of the present invention.

[0041] The embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the invention. The invention is described more specifically in the following paragraphs by way of example with reference to the accompanying drawings. It should be noted that the drawings are in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of the invention.

[0042] Reference Figure 1 A rear drive motor 2 is covered by a rear drive motor sound insulation pad 1. The output shaft of the rear drive motor 2 is connected to the rear half-shaft 3, and the rear half-shaft 3 is connected to the rear wheel 4. The rear drive motor sound insulation pad 1 has a notch for the rear half-shaft 3 to pass through. However, due to the vibration of the rear drive motor 2, the rear half-shaft 3, and the subframe during driving, as well as the influence of the assembly of surrounding parts, the rear drive motor sound insulation pad 1 covering the rear drive motor 2 needs to avoid the surrounding parts, and the minimum gap between the rear drive motor sound insulation pad 1 and the surrounding parts needs to be greater than or equal to 15mm. Therefore, the rear drive motor sound insulation pad 1 cannot completely cover the rear drive motor 2, resulting in partial exposure of the rear drive motor 2. During vehicle operation, mud and sand splashed by the wheels, water impact during wading, etc., will act on the drive motor and half-shaft, thereby affecting the service life of the drive motor and half-shaft. To solve the above problems, this invention provides a motor sound insulation pad, a motor assembly, and a vehicle. The motor sound insulation pad, motor assembly, and vehicle mentioned above are described in detail below.

[0043] Firstly, referring to Figure 2 and Figure 3 The motor sound insulation pad provided in this embodiment of the invention includes a sound insulation pad body 30 and a first protective member 10. The sound insulation pad body 30 has a through half-shaft notch, which includes a first region and a second region. The first region is used for the half-shaft to pass through, and the second region is located below the first region. The first protective member 10 is connected to the sound insulation pad body 30. Along the through direction of the half-shaft notch, the orthographic projection of the first protective member 10 on the sound insulation pad body 30 covers the second region.

[0044] The sound insulation pad body 30 is used to wrap around the drive motor in the vehicle. The output shaft of the drive motor is connected to the half shaft, and the drive motor can be a rear drive motor. The sound insulation pad body 30 can include a multi-layer structure, and the materials of the multi-layer structure can be PU (Polyurethane), EVA (Ethylene Vinyl Acetate), and PET (Polyethylene Terephthalate).

[0045] The first region, which is the area within the half-shaft notch through which the half-shaft actually passes, is, for example, shaped and sized to match the half-shaft. For instance, if the half-shaft has a circular cross-section, the first region is also circular, and its diameter is equal to or slightly larger than the half-shaft's diameter to allow for installation clearance. The second region is located below the first region; in other words, during actual use, the second region lies beneath the half-shaft.

[0046] As an example, the sound insulation pad body 30 includes an upper sound insulation pad 31 and a lower sound insulation pad 32 that are detachably connected. The half-shaft notch includes an upper half-notch 311 and a lower half-notch 321. The upper half-notch 311 is formed on the upper sound insulation pad 31, and the lower half-notch 321 is formed on the lower sound insulation pad 32, with the lower half-notch 321 located below the upper half-notch 311. The upper half-notch 311 and the upper part of the lower half-notch 321 can together form a first region, and the lower part of the lower half-notch 321 can form a second region. As another example, the sound insulation pad body 30 can be formed as a single piece. As yet another example, the sound insulation pad body 30 can be formed by splicing together more detachably connected sub-sound insulation pads.

[0047] Taking the sound insulation pad body 30, which includes an upper sound insulation pad 31 and a lower sound insulation pad 32, as an example, the first protective member 10 is located below the upper half notch 311. The connection method between the first protective member 10 and the sound insulation pad body 30 can be adhesive, snap-fit, or connected via a connector 40, etc. Specifically, the first protective member 10 is connected to the lower sound insulation pad 32. The penetration direction of the half-shaft notch can be referred to... Figure 2 and Figure 3 The direction indicated by arrow A in the middle.

[0048] In related technologies, during vehicle operation, mud and sand splashed by the wheels, as well as water impact during wading, can pass through the half-shaft notch and act on the drive motor and half-shaft. In this embodiment, during vehicle operation, some of the mud and sand, as well as some water impact, at the half-shaft notch are blocked outside the motor sound insulation pad by the first protective component 10, thereby protecting the half-shaft notch from some of the mud and sand, as well as some of the water impact.

[0049] In this embodiment of the invention, a first protective member 10 is connected to the sound insulation pad body 30. The orthographic projection of the first protective member 10 on the sound insulation pad body 30 covers the second area. That is, the first protective member 10 can shield part of the exposed area of ​​the drive motor, reduce the exposed area of ​​the drive motor, and increase the overall protection area. This can improve the protection effect against mud and sand splashed by the wheels, water impact during wading, etc., reduce the amount of water entering the drive motor and half shaft, thereby reducing the risk of damage to the drive motor and half shaft and improving the service life of the drive motor and half shaft.

[0050] In this embodiment, a first protective component 10 is integrated into the motor sound insulation pad, and the orthogonal projection of the first protective component 10 on the sound insulation pad body 30 only covers the second area and does not cover the first area, so that the motor sound insulation pad can leave enough space for the half shaft to pass through, which can meet the requirements of vehicle layout, driving and performance.

[0051] It should be noted that in related technologies, due to the influence of the dimensional accuracy of the rear drive motor sound insulation pad 1 itself, the minimum gap between the rear drive motor sound insulation pad 1 and the surrounding parts needs to be greater than or equal to 15mm. In this embodiment, the dimensional accuracy of the first protective component 10 itself is relatively high. Therefore, it is sufficient to make the gap between the first protective component 10 and the half shaft greater than or equal to 10mm. In this way, even if the orthogonal projection of the first protective component 10 on the sound insulation pad body 30 covers the second area of ​​the half shaft notch, it can still meet the overall vehicle layout requirements.

[0052] In an optional embodiment of the present invention, reference is made to... Figures 4 to 6 The first protective member 10 includes a first main body plate 11. Along the penetrating direction of the half-shaft notch, the orthographic projection of the first main body plate 11 onto the sound insulation pad body 30 covers the second region. A penetrating protective plate notch 111 is formed on the top side of the first main body plate 11. The protective plate notch 111 is for the half-shaft to pass through. The shape of the protective plate notch 111 can be arc-shaped, trapezoidal, square, etc. The first main body plate 11 can be a planar plate structure or a plate structure with moderate curvature. The thickness of the first main body plate 11 can be uniform throughout, or it can be locally thickened, for example, thickened at the position corresponding to the second region.

[0053] In an optional embodiment of the present invention, reference is made to... Figures 4 to 6The first protective component 10 also includes a first brim portion 12 that is angled to the first main body plate portion 11. The first brim portion 12 is located at the edge of the protective plate notch 111 and extends along the through direction of the half shaft notch. The first brim portion 12 protrudes from the outer surface of the sound insulation pad body 30. It should be noted that the outer surface here specifically refers to the surface of the sound insulation pad body 30 that is away from the drive motor during actual use.

[0054] Preferably, the first brim portion 12 is perpendicular to the first main body plate portion 11. The width of the first brim portion 12 can be set according to actual needs along the through direction of the half-axis notch, for example, it can be set to 25mm-40mm. The width of the first brim portion 12 is preferably 35mm.

[0055] In this embodiment, during vehicle operation, mud and sand splashed by the wheels, water impact during wading, etc., will not only be blocked by the first main body plate 11 in the motor sound insulation pad, but will also be blocked by the first brim 12 protruding from the outer surface of the sound insulation pad body 30 outside the motor sound insulation pad. This can further reduce the amount of water entering the drive motor and half shaft, thereby reducing the risk of damage to the drive motor and half shaft and improving the service life of the drive motor and half shaft.

[0056] In an optional embodiment of the present invention, reference is made to... Figures 2 to 6 The shape of the guard plate notch 111 is arc-shaped, and the shape of the cross section of the first brim 12 perpendicular to the penetrating direction of the half-axis notch is arc-shaped.

[0057] In one embodiment where the half-shaft notch includes a lower half-notch 321, both ends of the first brim portion 12 extend to both ends of the lower half-notch 321 along a first direction. This first direction is perpendicular to the penetration direction of the half-shaft notch and also perpendicular to the height direction of the sound-absorbing pad body 30. The first direction can be referenced... Figure 2 The direction indicated by arrow B. The shape of the protective plate notch 111 and the shape of the cross-section of the first brim portion 12 perpendicular to the through direction of the half-shaft notch are adapted to the shape of the half-shaft. This allows for minimizing the area of ​​the protective plate notch 111 while meeting the clearance requirements between the first protective member 10 and the half-shaft, thereby improving the protective effect. Furthermore, both ends of the first brim portion 12 extend to both ends of the lower half-notch 321 along the first direction, thus providing protection for the entire lower edge of the half-shaft.

[0058] In an optional embodiment of the present invention, reference is made to... Figures 4 to 6 The first main body plate 11 is connected to the inner surface of the sound insulation pad body 30.

[0059] The connection between the first main body plate 11 and the sound insulation pad body 30 can be achieved through bonding, snap-fitting, or connection via a connector 40. When the first main body plate 11 is connected to the sound insulation pad body 30 via the connector 40, the connector 40 can be a nail bar, screw, etc. The number of connectors 40 can be set according to actual needs, for example, from 1 to 8. The first main body plate 11 is specifically connected to the inner surface of the lower sound insulation pad 32. In this embodiment, the first main body plate 11 is connected to the inner surface of the sound insulation pad body 30, which on the one hand strengthens the structure of the sound insulation pad body 30, and on the other hand, the connection between the first main body plate 11 and the sound insulation pad body 30 is less susceptible to direct damage from the external environment, thus improving the lifespan of the connection between the first main body plate 11 and the sound insulation pad body 30.

[0060] The connector 40 is preferably a row of nails. When the connector 40 is a row of nails, the connection between the first main body plate 11 and the sound insulation pad body 30 is highly reliable, and the connection between the first main body plate 11 and the sound insulation pad body 30 is not easily detached. This can meet the protection requirements of vehicles driving in special conditions such as wading, gravel impact, and bumpy roads, and can also meet the performance requirements of the overall vehicle structure durability. When the connector 40 is a row of nails, a positioning groove can be formed on the first main body plate 11, with the opening of the positioning groove facing the interior of the sound insulation pad body 30. When the row of nails is driven in by a nailing device, the positioning groove is used for positioning the head of the nailing device.

[0061] In an optional embodiment of the present invention, reference is made to... Figure 5 and Figure 6 A limiting part 13 is provided on the first main body plate 11. The limiting part 13 has a limiting bottom surface 131, which contacts the inner wall of the half shaft notch.

[0062] The limiting part 13 is located below the first brim part 12, and the limiting part 13 can protrude from the first main body plate part 11. The limiting bottom surface 131 specifically contacts the inner wall of the lower part of the half shaft notch. In the embodiment where the half shaft notch includes the lower half notch 321, the limiting bottom surface 131 specifically contacts the inner wall of the lower half notch 321.

[0063] The first protective member 10 may further include a third reinforcing rib 17, which extends along the height direction of the sound insulation pad body 30 and connects to the limiting portion 13 and the guide portion 16. The first protective member 10 may also include a guide portion 16, which is connected to the side of the limiting portion 13 away from the first main body plate portion 11 and is located below the limiting portion 13. The guide portion 16 may have a guide slope or a guide arc surface.

[0064] When assembling the first protective component 10 with the sound insulation pad body 30, it is usually placed in a suitable position from top to bottom, and then the first main body plate 11 and the sound insulation pad body 30 are connected by the connector 40. When placing the first protective component 10 from top to bottom, the guide part 16 plays a guiding role.

[0065] Taking the sound insulation pad body 30, which includes an upper sound insulation pad 31 and a lower sound insulation pad 32, as an example, when the first protective member 10 is assembled with the sound insulation pad body 30, it is usually placed from top to bottom at the lower half notch 321 position of the lower sound insulation pad 32, and then the first main body plate 11 and the lower sound insulation pad 32 are connected by the connector 40.

[0066] In this embodiment, by setting the limiting part 13, the vertical position of the first protective member 10 can be restricted when the first protective member 10 is assembled with the sound insulation pad body 30, thereby ensuring the accuracy of the installation position of the first protective member 10.

[0067] In an optional embodiment of the present invention, the thickness of the first main body plate portion 11 is greater than or equal to 1.5 mm and less than or equal to 2.5 mm; and / or, the thickness of the first brim portion 12 is greater than or equal to 2.5 mm and less than or equal to 3.5 mm.

[0068] The thickness of the first main body plate 11 can be 1.5mm, 1.8mm, 2mm, 2.3mm, 2.5mm, etc. The thickness of the first main body plate 11 is preferably 2mm. The thickness of the first brim 12 can be 2.5mm, 2.8mm, 3mm, 3.2mm, 3.5mm, etc. The thickness of the first brim 12 is preferably 3mm. In this embodiment, when the thickness of the first brim 12 is within the above range, the strength and rigidity of the first brim 12 can be enhanced, thereby further improving the protective effect of the first brim 12.

[0069] In an optional embodiment of the present invention, reference is made to... Figure 5 and Figure 6 A plurality of first reinforcing ribs 14 are provided on the first brim 12, and the first reinforcing ribs 14 extend along the through direction of the half-axis notch; and / or, a plurality of second reinforcing ribs 15 are provided on the first brim 12, and the second reinforcing ribs 15 extend along the height direction of the sound insulation pad body 30.

[0070] The number of first reinforcing ribs 14 can be set according to actual needs, for example, it can be set to 3-5. When the cross-section of the first brim portion 12 perpendicular to the through direction of the half-axis notch is arc-shaped, the multiple first reinforcing ribs 14 are arranged at intervals along the circumferential direction of the arc. The end of the first reinforcing rib 14 near the first main body plate portion 11 is also connected to the first main body plate portion 11.

[0071] The second reinforcing rib 15 is connected to the first main body plate 11 on the side closest to it, and multiple second reinforcing ribs 15 can be arranged at intervals along the first direction. The number of second reinforcing ribs 15 can be set according to actual needs, for example, one to three. The end of the second reinforcing rib 15 away from the first brim 12 can also extend to the limiting part 13 and the guide part 16. In this embodiment, by setting the first reinforcing rib 14 and / or the second reinforcing rib 15, the strength and rigidity of the first brim 12 can be enhanced, thereby further improving the protective effect of the first brim 12.

[0072] In an optional embodiment of the present invention, the first protective component 10 is made of thermoplastic vulcanizate (TPV); and / or, the Shore hardness D of the first protective component 10 is 40-60. The Shore hardness D of the first protective component 10 can be 40, 45, 48, 50, 55, 60, etc. Thermoplastic vulcanizate has excellent impermeability and can effectively prevent water from entering. When the first protective component 10 is made of thermoplastic vulcanizate, it can achieve better protective performance under water-wading conditions. When the Shore hardness D of the first protective component 10 is 40-60, the first protective component 10 has high hardness and good resistance to breakage. Even under conditions such as gravel impact or vehicle driving on bumpy roads, it is not easily damaged, thus achieving better protective performance under special conditions such as gravel impact and bumpy roads, and improving the overall vehicle structural durability.

[0073] Table 1

[0074] The material of the first protective component Material 2 of the first protective component Material 3 of the first protective component Material PET+EVA PP-GF30 TPV D50 density <![CDATA[1760kg / m 3 ]]> <![CDATA[1120-1180kg / m 3 ]]> <![CDATA[1250kg / m 3 ]]> hardness 55° Rockwell hardness 116R Shaw D50 Rockfall excellent medium excellent Flame retardant Combustion rate ≤75mm / min Combustion rate ≤75mm / min V0 Melting point 240℃ 280℃ 160℃ Environmental testing medium excellent excellent Rockfall medium medium excellent Overall vehicle structural durability medium excellent excellent wading medium excellent excellent bumpy road medium excellent excellent Final conclusion medium medium excellent

[0075] In Table 1 above, V0 refers to the flame retardant rating of TPV D50 material. Referring to Table 1, when the material of the first protective component 10 is TPV and its Shore hardness D is 50, its protective performance under special working conditions such as wading, gravel impact, and bumpy roads is excellent.

[0076] In an optional embodiment of the present invention, reference is made to... Figure 7 and Figure 8 The motor sound insulation pad also includes a second protective member 20, which is connected to the sound insulation pad body 30 and is located on the upper side of the first protective member 10. The second protective member 20 includes a second brim 22, which is located at the edge of the half shaft notch and extends along the through direction of the half shaft notch. The second brim 22 protrudes from the outer surface of the sound insulation pad body 30.

[0077] Taking the sound insulation pad body 30, which includes an upper sound insulation pad 31 and a lower sound insulation pad 32, as an example, the second protective member 20 is connected to the upper sound insulation pad 31, and the second brim 22 is located at the edge of the upper half notch 311.

[0078] The second protective component 20 further includes a second main body plate 21, which is connected to the upper sound insulation pad 31. Preferably, the second main body plate 21 is connected to the inner surface of the upper sound insulation pad 31. The connection method between the second main body plate 21 and the upper sound insulation pad 31 can be adhesive bonding, snap-fitting, or connection via a connector 40. When the second main body plate 21 is connected to the upper sound insulation pad 31 via the connector 40, the connector 40 can be a nail bar, screw, or similar fastener.

[0079] The second protective component 20 is made of thermoplastic vulcanized rubber; and / or, the Shore hardness D of the second protective component 20 is 40-60. The thickness of the second main body plate 21 is greater than or equal to 1.5 mm and less than or equal to 2.5 mm; and / or, the thickness of the second brim 22 is greater than or equal to 2.5 mm and less than or equal to 3.5 mm. The width of the second brim 22 can be set according to actual needs along the through direction of the half-shaft notch, for example, it can be set to 25 mm-40 mm. The width of the second brim 22 is preferably 35 mm.

[0080] In this embodiment, during vehicle operation, mud and sand splashed by the wheels, water impact during wading, etc., will be blocked outside the motor sound insulation pad by the second brim 22 protruding from the outer surface of the sound insulation pad body 30, thereby further reducing the amount of water entering the drive motor and half shaft, thereby reducing the risk of damage to the drive motor and half shaft and improving the service life of the drive motor and half shaft.

[0081] In an optional embodiment of the present invention, reference is made to... Figure 7 and Figure 8 The cross-section of the second brim 22, which is perpendicular to the penetrating direction of the half-shaft notch, is arc-shaped. Both ends of the second brim 22 extend to the two ends of the upper half-notch 311 along the first direction, and both ends of the second brim 22 are in contact with the first protective member 10. The first direction is perpendicular to the penetrating direction of the half-shaft notch and perpendicular to the height direction of the sound insulation pad body.

[0082] In one embodiment where the first protective member 10 includes a first brim 12, the two ends of the second brim 22 contact the two ends of the first brim 12, respectively. In this embodiment, the first brim 12 and the second brim 22 cooperate to protect the entire outer periphery of the half-shaft.

[0083] Through multiple rounds of CAE (Computer-Aided Engineering) analysis, the water ingress at the drive motor and half-shaft caused by mud and sand splashed by the wheels, water impact during wading, etc., in different schemes is shown in Table 2. Table 2 also shows the degree of reduction, which is the percentage reduction in water ingress corresponding to the scheme of the present invention compared to the water ingress of the existing scheme.

[0084] Table 2

[0085]

[0086] Referring to Table 2, in Embodiment 1 of the present invention, the orthographic projection of the first protective member 10 on the sound insulation pad body 30 covers the second area, which can reduce water ingress into the drive motor and half-shaft caused by mud and sand splashed by the wheels and water impact during wading, by approximately 25%. In Embodiment 2 of the present invention, based on Embodiment 1, a first brim portion 12 is added, which can further reduce water ingress into the drive motor and half-shaft caused by mud and sand splashed by the wheels and water impact during wading, by approximately 39%. In Embodiment 3 of the present invention, based on Embodiment 2, a second protective member 20 including a second brim portion 22 is added, which can further reduce water ingress into the drive motor and half-shaft caused by mud and sand splashed by the wheels and water impact during wading, by approximately 43%.

[0087] Secondly, embodiments of the present invention provide a motor assembly, which includes a drive motor and the motor sound insulation pad provided in the first aspect. Since the motor assembly includes the aforementioned motor sound insulation pad, it also possesses the beneficial effects of the aforementioned motor sound insulation pad, which will not be elaborated further here.

[0088] Thirdly, embodiments of the present invention also provide a vehicle, the vehicle including the motor assembly provided in the second aspect above.

[0089] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0090] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0091] The various embodiments in this specification are described in a related manner. Similar or identical parts between embodiments can be referred to mutually. Each embodiment focuses on describing the differences from other embodiments. In particular, the system embodiments are basically similar to the method embodiments, so the description is relatively simple; relevant parts can be referred to the descriptions of the method embodiments.

[0092] The above are merely preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention are included within the scope of protection of the present invention.

[0093] The above provides a detailed description of the motor sound insulation pad, motor assembly, and vehicle provided by the present invention. Specific examples have been used to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only for the purpose of helping to understand the structure and core ideas of the present invention. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of the present invention. Therefore, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. A motor sound insulation pad, characterized in that, include: The sound insulation pad body has a through-hole half-shaft notch, the half-shaft notch includes a first region and a second region, the first region is for the half-shaft to pass through, and the second region is located below the first region; The first protective component is connected to the sound insulation pad body and extends along the through direction of the half-shaft notch. The orthographic projection of the first protective component on the sound insulation pad body covers the second area.

2. The motor sound insulation pad according to claim 1, characterized in that, The first protective component includes a first main body plate portion, which covers the second area along the through direction of the half-shaft notch. The orthographic projection of the first main body plate portion on the sound insulation pad body covers the second area. A through protective plate notch is formed on the top side of the first main body plate portion.

3. The motor sound insulation pad according to claim 2, characterized in that, The first protective component further includes a first brim portion that is angled to the first main body plate portion. The first brim portion is located at the edge of the notch in the protective plate portion and extends along the through direction of the half-shaft notch portion. The first brim portion protrudes from the outer surface of the sound insulation pad body.

4. The motor sound insulation pad according to claim 3, characterized in that, The notch in the protective plate is arc-shaped, and the cross-section of the first brim that is perpendicular to the penetrating direction of the half-shaft notch is arc-shaped.

5. The motor sound insulation pad according to claim 2, characterized in that, The first main body plate is connected to the inner surface of the sound insulation pad body.

6. The motor sound insulation pad according to claim 2, characterized in that, A limiting part is provided on the first main body plate, the limiting part has a limiting bottom surface, and the limiting bottom surface contacts the inner wall of the half shaft notch.

7. The motor sound insulation pad according to claim 3, characterized in that, The thickness of the first main body plate is greater than or equal to 1.5 mm and less than or equal to 2.5 mm; And / or, the thickness of the first brim is greater than or equal to 2.5 mm and less than or equal to 3.5 mm.

8. The motor sound insulation pad according to claim 3, characterized in that, The first brim is provided with a plurality of first reinforcing ribs, which extend along the through direction of the half-shaft notch; And / or, a plurality of second reinforcing ribs are provided on the first brim, the second reinforcing ribs extending along the height direction of the sound insulation pad body.

9. The motor sound insulation pad according to claim 1, characterized in that, The first protective component is made of thermoplastic vulcanized rubber; And / or, the Shore hardness D of the first protective component is 40-60.

10. The motor sound insulation pad according to claim 1, characterized in that... The sound insulation pad body includes an upper sound insulation pad and a lower sound insulation pad, and the half-shaft notch includes an upper half notch formed on the upper sound insulation pad and a lower half notch formed on the lower sound insulation pad; The second region is located in the lower part of the lower half-gap away from the upper half-gap, and the first protective member is connected to the lower sound insulation pad.

11. The motor sound insulation pad according to claim 10, characterized in that... The motor sound insulation pad also includes a second protective component, which is connected to the upper sound insulation pad and is located on the upper side of the first protective component. The second protective component includes a second brim portion located at the edge of the upper half notch, extending along the through direction of the half-axis notch, and protruding from the outer surface of the sound insulation pad body.

12. The motor sound insulation pad according to claim 11, characterized in that... The shape of the cross section of the second brim that is perpendicular to the through direction of the half-axis notch is arc-shaped.

13. The motor sound insulation pad according to claim 12, characterized in that... The two ends of the second brim extend to the two ends of the upper half notch along the first direction, and both ends of the second brim are in contact with the first protective member. The first direction is perpendicular to the through direction of the half-shaft notch and perpendicular to the height direction of the sound insulation pad body.

14. A motor assembly, characterized in that, Includes a drive motor and a motor sound insulation pad as described in any one of claims 1 to 13.

15. A vehicle, characterized in that, Includes the motor assembly as described in claim 14.

Images