Leaf spring assembly and vehicle having the same

Abstract

This utility model discloses a leaf spring assembly and a vehicle having the same. The leaf spring assembly includes a leaf spring, a first limiting member, a second limiting member, a third limiting member, and a fixing member. The first limiting member is located in the middle of the leaf spring; the second limiting member is located on the other side of the leaf spring and is opposite to the first limiting member; the third limiting member is located on top of the first limiting member and restricts the first limiting member on the leaf spring; at least a portion of the fixing member is restricted to the outside of the first limiting member, and the fixing member is fixedly connected to the axle. By providing the first, second, and third limiting members on the leaf spring and restricting it to the outside of the first limiting member by the fixing member, the leaf spring can be restricted to the axle by the fixing member, making the connection between the leaf spring and the axle more stable and reliable. This allows the leaf spring to buffer and absorb vibrations transmitted from the axle as designed, thereby improving the reliability of the leaf spring.

Description

Technical Field

[0001] This utility model relates to the field of leaf spring technology, and in particular to a leaf spring assembly and a vehicle having the same. Background Technology

[0002] In existing technologies, leaf springs are typically mounted on the axle to allow axle vibrations to be effectively transmitted to and absorbed. Therefore, it is crucial to find a better way to connect the leaf spring to the axle to ensure proper absorption and dissipation of vibrations. However, in existing technologies, the leaf spring is in direct contact with the axle, preventing axle vibrations from being directly transmitted to the leaf spring for absorption and also generating noise. Utility Model Content

[0003] This utility model aims to solve at least one of the technical problems existing in the prior art. To this end, one objective of this utility model is to provide a leaf spring assembly in which multiple limiting members are provided on the leaf spring to make the connection between the leaf spring and the axle more reliable, thereby buffering and absorbing vibrations transmitted by the axle and improving the reliability of vehicle use.

[0004] Another objective of this invention is to provide a vehicle in which a leaf spring assembly as shown above is provided.

[0005] A leaf spring assembly according to an embodiment of the present invention includes: a leaf spring, a first limiting member, a second limiting member, a third limiting member, and a fixing member. The first limiting member is disposed in the middle of the leaf spring and on one side of the leaf spring; the second limiting member is disposed on the other side of the leaf spring and is disposed opposite to the first limiting member; the third limiting member is disposed on the top of the first limiting member and restricts the first limiting member on the leaf spring; at least a portion of the fixing member is restricted to the outside of the first limiting member, and the fixing member is fixedly connected to the axle to fix the leaf spring on the axle.

[0006] According to the leaf spring assembly of this utility model embodiment, by providing a first limiting member, a second limiting member and a third limiting member on the leaf spring, and limiting it to the outside of the first limiting member by a fixing member, the leaf spring can be fixed to the axle by the fixing member, so that the connection between the leaf spring and the axle is more stable and reliable, and the leaf spring can buffer and absorb the vibration transmitted by the axle as designed, thereby improving the reliability of the leaf spring.

[0007] In some embodiments, the first limiting member includes: a flat plate portion, a first connecting portion, and a second connecting portion, wherein the flat plate portion is disposed opposite to the top of the leaf spring; the first connecting portion is disposed opposite to both sides of the flat plate portion in a first direction, and the limiting member is provided with a limiting groove, the fixing member is constrained within the limiting groove, and the second connecting portion is disposed opposite to both sides of the flat plate portion in a second direction, wherein the second direction is perpendicular to the first direction.

[0008] In some embodiments, a first connecting portion and a second connecting portion are adapted to be constructed around the perimeter of the flat plate portion. The first connecting portion is disposed on both sides of the flat plate portion in a first direction, allowing the fixing member to be constrained by the limiting groove on the first connecting portion. This allows the fixing member to constrain the first limiting member when connected to the axle, enabling the first limiting member to constrain the leaf spring connection as designed, allowing the leaf spring to be assembled in the appropriate position for positioning assembly. Furthermore, a second connecting portion is provided on the other side of the flat plate portion, through which the first limiting member connects to the leaf spring. This allows the first limiting member to connect to the leaf spring as designed, enabling the fixing member to constrain the leaf spring when connected to the axle during use, thereby making the use of the leaf spring more reliable.

[0009] In some embodiments, the cross-sectional projection of the first connection portion is two consecutive bent segments, and the limiting groove is disposed between adjacent bent segments.

[0010] In some embodiments, by setting the cross-sectional projection of the first connection portion as two consecutive bending segments, since the two bending segments are consecutively arranged, a limiting groove can be constructed between adjacent bending segments to meet the limiting use of the fastener, thereby improving the reliability of the limiting effect of the fastener on the first limiting member.

[0011] In some embodiments, the second connecting portion extends in a vertical direction, and the inner side of the second connecting portion is provided with a first adhesive portion, and the first limiting member is bonded and fixed to the leaf spring through the first adhesive portion.

[0012] In some embodiments, the second connecting portion extends vertically, and a first adhesive portion is provided on the inner side of the second connecting portion, so that the first limiting member and the leaf spring can be fixed together by the first adhesive portion, thereby improving the limiting effect of the first limiting member on the leaf spring. Using adhesive also simplifies the assembly process, improves assembly efficiency, and allows the first limiting member to limit the leaf spring according to the design.

[0013] In some embodiments, the second limiting member includes: a straight plate portion and a third connecting portion, the straight plate portion having a plurality of weight-reducing holes, the straight plate portion being disposed opposite to the bottom of the leaf spring; the third connecting portion being a plurality of portions, and the plurality of third connecting portions being disposed at intervals on the outer periphery of the straight plate portion.

[0014] In some embodiments, the second limiting member is further adapted to include a straight plate portion and a third connecting portion during its construction. The straight plate portion is adapted to abut against the bottom of the leaf spring, and the third connecting portions are spaced around the straight plate portion, so that the second limiting member can be connected and limited with the leaf spring through multiple third connecting portions during use, thereby making the connection between the second limiting member and the leaf spring more reliable. Furthermore, to reduce the weight of the second limiting member, weight-reducing holes are adapted to be provided on the straight plate portion, which reduces weight, saves production materials, and lowers production costs.

[0015] In some embodiments, the third connecting portion extends vertically and is constructed at the corner of the straight plate portion. The inner side of the third connecting portion is provided with a second adhesive portion, and the second limiting member is bonded and fixed to the leaf spring through the second adhesive portion.

[0016] In some embodiments, by configuring the third connecting portion to extend vertically, a larger contact area is provided for the third connecting portion to connect with the leaf spring, thereby improving the reliability of the connection between the second limiting member and the leaf spring. Furthermore, a second adhesive portion is provided on the inner side of the third connecting portion, allowing the second limiting member to be bonded and fixed during use, simplifying the assembly process and enabling the second limiting member to be connected to the leaf spring as designed, thus making the connection between the second limiting member and the leaf spring more reliable.

[0017] In some embodiments, the device further includes a positioning member, wherein a positioning hole is provided in the middle of the straight plate portion, and the positioning member is fixedly connected in the positioning hole.

[0018] In some embodiments, in order to allow the second limiting member to be assembled into a designated position on the leaf spring, it is suitable to provide a positioning hole on the straight plate portion of the second limiting member and to provide a positioning member so that the positioning member is fixedly connected in the positioning hole to assemble the second limiting member into the designed position, so as to make the structural configuration of the leaf spring assembly more reliable.

[0019] In some embodiments, the device further includes a buffer member, which is disposed on the outside of the third limiting member and abuts against the first limiting member.

[0020] In some embodiments, a buffer is provided on the outside of the third limiting member. Since the third limiting member is adapted to restrict the first limiting member so that the axle bounce is adapted to be transmitted to the third limiting member, and the buffer is provided on the outside of the third limiting member to buffer the bounce effect so that the structural stability of the leaf spring assembly is higher.

[0021] In some embodiments, the third limiting member is integrally welded; and / or the fixing member is a U-bolt; and / or a noise reduction component is provided between the first limiting member and / or the second limiting member and the leaf spring.

[0022] In some embodiments, integral welding simplifies the assembly process of the third limiting component, improves assembly efficiency, and provides the third limiting component with higher structural strength to meet usage requirements. Furthermore, the Z-axis height of the third limiting component determines the runout limit of the composite leaf spring suspension system. Typically, the stamping height of the stamping plate is fixed, and conventional stamping heights cannot meet the runout limit of the suspension system. The third limiting component can be constructed using cutting, bending, and welding to ensure the axle's runout is limited. Using U-bolts as fasteners makes the connection between the fastener and the axle more reliable, thereby making the connection between the leaf spring and the axle more reliable, allowing the axle's runout to be transmitted to the leaf spring for cushioning. Therefore, noise reduction components can be provided between the first limiting component, the second limiting component, and the leaf spring to prevent noise generated by friction between the first and second limiting components and the leaf spring.

[0023] The vehicle according to an embodiment of the present invention includes: a leaf spring assembly as described in any of the preceding claims.

[0024] According to the vehicle of this utility model embodiment, since a leaf spring assembly as shown above is provided in the vehicle, by providing a first limiting member, a second limiting member and a third limiting member on the leaf spring, and by limiting it to the outside of the first limiting member by a fixing member, the leaf spring can be limited to the axle by the fixing member, so that the connection between the leaf spring and the axle is more stable and reliable, and the leaf spring can buffer and absorb the vibration transmitted to the axle as designed, thereby improving the reliability of the vehicle.

[0025] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0026] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0027] Figure 1 This is a schematic diagram of the leaf spring assembly according to an embodiment of the present utility model;

[0028] Figure 2 This is an exploded view of a portion of the leaf spring assembly according to an embodiment of the present utility model;

[0029] Figure 3 This is an exploded view of a portion of the leaf spring assembly according to an embodiment of the present utility model;

[0030] Figure 4 This is a structural schematic diagram of the first limiting member according to an embodiment of the present utility model;

[0031] Figure 5 This is a structural schematic diagram of the second limiting member according to an embodiment of the present utility model;

[0032] Figure label:

[0033] Leaf spring assembly 10, leaf spring 100,

[0034] First limiting member 200, flat plate portion 210, first connecting portion 220, limiting groove 221, bending section 222, second connecting portion 230, first adhesive portion 231.

[0035] Second limiting member 300, straight plate portion 310, weight reduction hole 311, positioning hole 312, third connecting portion 320, second adhesive portion 321.

[0036] Third limiting component 400,

[0037] Fastener 500,

[0038] Positioning component 600,

[0039] Buffer 700,

[0040] Noise reduction component 800. Detailed Implementation

[0041] The embodiments of the present invention are described in detail below. The embodiments described with reference to the accompanying drawings are exemplary. The embodiments of the present invention are described in detail below.

[0042] The following is for reference. Figures 1-5 The leaf spring assembly 10 according to an embodiment of the present utility model includes: a leaf spring 100, a first limiting member 200, a second limiting member 300, a third limiting member 400, and a fixing member 500.

[0043] Specifically, the first limiting member 200 is located in the middle of the leaf spring 100 and is located on one side of the leaf spring 100; the second limiting member 300 is located on the other side of the leaf spring 100 and is disposed opposite to the first limiting member 200; the third limiting member 400 is located on the top of the first limiting member 200 and restricts the first limiting member 200 on the leaf spring 100; at least a portion of the fixing member 500 is restricted to the outside of the first limiting member 200 and the fixing member 500 is fixedly connected to the axle to fix the leaf spring 100 to the axle.

[0044] It should be noted that during the use of leaf spring 100, it is suitable to be built on the axle so that the vibration generated by the axle during use can be transmitted to leaf spring 100 for absorption and decomposition. Therefore, it is very important to find a better way to connect leaf spring 100 to the axle so that the vibration can be transmitted to leaf spring 100 for absorption and decomposition.

[0045] Specifically, the leaf spring assembly 10 is suitable to include: a leaf spring 100, a first limiting member 200, a second limiting member 300, a third limiting member 400, and a fixing member 500. The leaf spring 100 is suitable to be connected to the axle, and multiple limiting members are provided on the leaf spring 100 to fix the leaf spring 100 to the axle during the connection process, so as to make the connection between the leaf spring 100 and the axle more reliable and the force transmission between the leaf spring 100 and the axle more reliable. This allows the leaf spring 100 to absorb and decompose the force acting on the axle, thereby improving the stability of the leaf spring assembly 10 in use.

[0046] Furthermore, in this application, during the connection process between the leaf spring 100 and the axle, it is suitable to provide the aforementioned multiple limiting members at the connection point between the leaf spring 100 and the axle to restrict the connection, thereby improving the reliability of the connection between the leaf spring 100 and the axle.

[0047] Specifically, the multiple limiting components include a first limiting component 200, a second limiting component 300, and a third limiting component 400. The first limiting component 200 is adapted to be installed at the connection between the leaf spring 100 and the axle, while the second limiting component 300 is provided relative to the first limiting component 200, so that the first limiting component 200 and the second limiting component 300 together restrict the leaf spring 100, making the connection of the leaf spring 100 on the axle more reliable. Furthermore, to make the use of the first limiting component 200 more reliable, a third limiting component 400 is provided on the outside of the first limiting component 200, thereby improving the reliability of the limiting components on the leaf spring 100.

[0048] Furthermore, the leaf spring assembly 10 also includes a retainer 500, which is adapted to be restricted to the outside of the first limiting member 200 and is connected to the axle so that the leaf spring 100 can be restricted on the axle as designed, thereby allowing the vibration on the axle to be transmitted to the leaf spring 100 as designed, thus improving the performance of the leaf spring assembly 10.

[0049] According to the leaf spring assembly 10 of this utility model embodiment, by providing a first limiting member 200, a second limiting member 300 and a third limiting member 400 on the leaf spring 100, and restricting it to the outside of the first limiting member 200 by a fixing member 500, the leaf spring 100 can be restricted to the axle by the fixing member 500, so that the connection between the leaf spring 100 and the axle is more stable and reliable, and the leaf spring 100 can buffer and absorb the vibration transmitted to the axle as designed, thereby improving the reliability of the leaf spring 100.

[0050] In some embodiments, the first limiting member 200 includes: a flat plate portion 210, a first connecting portion 200, and a second connecting portion 230. The flat plate portion 210 is disposed opposite to the top of the leaf spring 100. The first connecting portion 200 is disposed opposite to both sides of the flat plate portion 210 in a first direction, and the limiting member is provided with a limiting groove 221, in which the fixing member 500 is restricted. The second connecting portion 230 is disposed opposite to both sides of the flat plate portion 210 in a second direction, and the second direction is perpendicular to the first direction.

[0051] It is understood that the first limiting member 200 is adapted to include a flat plate portion 210, a first connecting portion 200, and a second connecting portion 230. The flat plate portion 210 is adapted to abut against the top of the leaf spring 100, and the first connecting portion 200 and the second connecting portion 230 are adapted to be constructed around the flat plate portion 210. The first connecting portion 200 is disposed on both sides of the flat plate portion 210 in a first direction, so that the fixing member 500 is adapted to be limited by the limiting groove 221 on the first connecting portion 200, so that the fixing member 500 is adapted to limit the first limiting member 200 when connected to the axle, so that the first limiting member 200 can limit the connection of the leaf spring 100 according to the design, so that the leaf spring 100 can be assembled into a suitable position to achieve positioning assembly. Furthermore, on the other side of the flat plate 210, a second connecting part 230 is provided. The first limiting member 200 is connected to the leaf spring 100 through the second connecting part 230, so that the first limiting member 200 can be connected to the leaf spring 100 according to the design. This allows the fixing member 500 to restrict the leaf spring 100 when it is connected to the axle during use, thereby making the use of the leaf spring 100 more reliable.

[0052] In some embodiments, the cross-sectional projection of the first connecting portion 200 is two consecutive bent segments 222, and the limiting groove 221 is disposed between adjacent bent segments 222. It can be understood that by setting the cross-sectional projection of the first connecting portion 200 as two consecutive bent segments 222, since the two bent segments 222 are arranged consecutively, a limiting groove 221 can be constructed between adjacent bent segments 222 to meet the limiting use of the fastener 500, thereby improving the reliability of the limiting effect of the fastener 500 on the first limiting member 200.

[0053] In some specific embodiments, in order to make the limiting effect of the fastener 500 on the first connecting part 200 more reliable, it is suitable to make the diameter of the limiting groove 221 larger than the diameter of the fastener 500, so as to avoid the fastener 500 sliding on the first limiting member 200 and improve the assembly reliability.

[0054] In some embodiments, the second connecting portion 230 extends vertically, and a first adhesive portion 231 is provided on the inner side of the second connecting portion 230. The first limiting member 200 is adhesively fixed to the leaf spring 100 through the first adhesive portion 231. It is understood that extending the second connecting portion 230 vertically and providing the first adhesive portion 231 on the inner side of the second connecting portion 230 allows the first limiting member 200 and the leaf spring 100 to be fixed together through the first adhesive portion 231, resulting in a better limiting effect of the first limiting member 200 on the leaf spring 100. Furthermore, using adhesive simplifies the assembly process, improves assembly efficiency, and allows the first limiting member 200 to limit the leaf spring 100 as designed.

[0055] In some embodiments, the second limiting member 300 includes a straight plate portion 310 and a third connecting portion 320. The straight plate portion 310 is provided with a plurality of weight-reducing holes 311, and the straight plate portion 310 is disposed opposite to the bottom of the leaf spring 100. There are multiple third connecting portions 320, and the multiple third connecting portions 320 are spaced apart on the outer periphery of the straight plate portion 310. That is, the second limiting member 300 is also adapted to include the straight plate portion 310 and the third connecting portion 320 during the construction process. The straight plate portion 310 is adapted to abut against the bottom of the leaf spring 100, and the third connecting portions 320 are spaced apart around the straight plate portion 310, so that the second limiting member 300 is adapted to be connected and restricted to the leaf spring 100 through the multiple third connecting portions 320 during use, so that the connection between the second limiting member 300 and the leaf spring 100 is more reliable. Furthermore, in order to reduce the weight of the second limiting member 300, it is suitable to provide a weight reduction hole 311 on the straight plate part 310, which can save production materials and reduce production costs while reducing weight.

[0056] In some embodiments, the third connecting portion 320 extends vertically and is constructed at the corner of the straight plate portion 310. A second adhesive portion 321 is provided on the inner side of the third connecting portion 320, and the second limiting member 300 is adhesively fixed to the leaf spring 100 via the second adhesive portion 321. Thus, by setting the third connecting portion 320 to extend vertically, it has a larger contact area with the leaf spring 100, thereby improving the reliability of the connection between the second limiting member 300 and the leaf spring 100. Furthermore, the second adhesive portion 321 is also provided on the inner side of the third connecting portion 320, allowing the second limiting member 300 to be adhesively fixed during use, simplifying the assembly process and enabling the second limiting member 300 to be connected to the leaf spring 100 as designed, thus making the connection between the second limiting member 300 and the leaf spring 100 more reliable. Furthermore, the first adhesive portion 231 and the second adhesive portion 321 can be bonded using composite materials.

[0057] In some embodiments, the leaf spring assembly 10 further includes a positioning member 600, wherein a positioning hole 312 is provided in the middle of the straight plate portion 310, and the positioning member 600 is fixedly connected within the positioning hole 312. It is understood that, in order to allow the second limiting member 300 to be assembled into a designated position on the leaf spring 100, it is suitable to provide a positioning hole 312 on the straight plate portion 310 of the second limiting member 300 and to provide a positioning member 600, so that the positioning member 600 is fixedly connected within the positioning hole 312 to assemble the second limiting member 300 into the designed position, thereby making the structural configuration of the leaf spring assembly 10 more reliable.

[0058] In some embodiments, the leaf spring assembly 10 further includes a buffer 700, which covers the outside of the third limiting member 400 and abuts against the first limiting member 200. It is understood that the buffer 700 is provided outside the third limiting member 400 because the third limiting member 400 is adapted to restrict the first limiting member 200 so that the axle's movement is appropriately transmitted to the third limiting member 400. The buffer 700 outside the third limiting member 400 is also adapted to buffer the movement effect, thereby increasing the structural stability of the leaf spring assembly 10.

[0059] In some embodiments, the third limiting member 400 is integrally welded; and / or the fixing member 500 is a U-bolt; and / or the first limiting member 200 and / or the second limiting member 300 are both provided with noise reduction members 800 between themselves and the leaf spring 100. It is understood that using integral welding simplifies the assembly process of the third limiting member 400, improves assembly efficiency, and gives the third limiting member 400 higher structural strength to meet usage requirements. Furthermore, the Z-axis height of the third limiting member 400 determines the runout limit of the composite leaf spring 100 suspension system. Typically, the stamping height of the stamping plate is fixed, and conventional stamping heights cannot meet the runout limit of the suspension system. Therefore, the third limiting member 400 can be constructed by cutting, bending, and welding to ensure the runout limit of the axle. The fastener 500 is designed as a U-bolt to ensure a more reliable connection between the fastener 500 and the axle, thereby improving the connection between the leaf spring 100 and the axle. This allows the axle's movement to be transmitted to the leaf spring 100 for cushioning. Furthermore, a noise-reducing component 800 can be provided between the first limiting member 200, the second limiting member 300, and the leaf spring 100 to prevent noise generated by friction between these components.

[0060] The vehicle according to an embodiment of the present invention includes: a leaf spring assembly 10 as described in any of the above claims.

[0061] According to the vehicle of this utility model embodiment, since a leaf spring assembly 10 as shown above is provided in the vehicle, a first limiting member 200, a second limiting member 300 and a third limiting member 400 are provided on the leaf spring 100, and the leaf spring 100 is restricted to the outside of the first limiting member 200 by the fixing member 500, so that the leaf spring 100 can be restricted to the axle by the fixing member, so that the connection between the leaf spring 100 and the axle is more stable and reliable, and the leaf spring 100 can buffer and absorb the vibration transmitted to the axle as designed, thereby improving the reliability of the vehicle.

[0062] Other components and operations of the vehicle according to embodiments of the present invention are known to those skilled in the art and will not be described in detail here.

[0063] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example.

[0064] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A leaf spring assembly characterized by, include: Leaf spring; The first limiting member is located in the middle of the leaf spring and is also located on one side of the leaf spring. The second limiting member is located on the other side of the leaf spring, and the second limiting member is disposed opposite to the first limiting member; A third limiting member is disposed on top of the first limiting member, and the third limiting member restricts the first limiting member on the leaf spring; A fastener, at least a portion of which is confined to the outside of the first limiting member, and which is fixedly connected to the axle to secure the leaf spring to the axle.

2. The leaf spring assembly of claim 1, wherein The first limiting member includes: A flat plate portion, which is disposed opposite to the top of the leaf spring; The first connecting part is disposed opposite to each other on both sides of the flat plate in a first direction, and the limiting member is provided with a limiting groove, and the fixing member is restricted within the limiting groove; The second connecting portion is disposed opposite to each other on both sides of the plate portion in the second direction, and the second direction is perpendicular to the first direction.

3. The leaf spring assembly of claim 2, wherein, The cross-sectional projection of the first connecting part is two consecutive bent segments, and the limiting groove is provided between adjacent bent segments.

4. The leaf spring assembly according to claim 2, characterized in that, The second connecting part extends in a vertical direction, and the inner side of the second connecting part is provided with a first adhesive part, and the first limiting member is bonded and fixed to the leaf spring through the first adhesive part.

5. The leaf spring assembly of claim 1, wherein The second limiting member includes: The straight plate section has multiple weight-reducing holes, and the straight plate section is arranged opposite to the bottom of the leaf spring; The third connecting part is a plurality of third connecting parts, and the plurality of third connecting parts are spaced apart on the outer periphery of the straight plate part.

6. The leaf spring assembly of claim 5, wherein, The third connecting part extends vertically and is constructed at the corner of the straight plate. The inner side of the third connecting part is provided with a second adhesive part, and the second limiting member is bonded and fixed to the leaf spring through the second adhesive part.

7. The leaf spring assembly of claim 5, wherein Also includes: The positioning component has a positioning hole in the middle of the straight plate portion, and the positioning component is fixedly connected in the positioning hole.

8. The leaf spring assembly of claim 1, wherein Also includes: A buffer member is provided on the outside of the third limiting member, and the buffer member abuts against the first limiting member.

9. The leaf spring assembly of claim 1, wherein, The third limiting component is integrally welded; and / or The fastener is a U-bolt; and / or Noise reduction components are provided between the first limiting member and / or the second limiting member and the leaf spring.

10. A vehicle characterized by comprising: include: The leaf spring assembly as described in any one of claims 1-9.

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