Plate spring support

Abstract

The utility model discloses a plate spring support which comprises a support body used for connecting a girder and a plate spring body and a limiting assembly, the support body is provided with a side extending plate capable of supporting the bottom wall of the girder, the support body is provided with a first wall and a second wall which are arranged in parallel, and the first wall is perpendicular to the side extending plate and attached to the side wall of the girder. The limiting assembly is installed on the frame body and connected with the girder and the plate spring body. The weight of the support can be reduced while the structural strength is guaranteed, and the dead weight of the whole vehicle is reduced.

Description

Technical Field

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

[0002] In the automotive manufacturing industry, leaf spring brackets, as key components connecting the frame and the leaf spring body, have a significant impact on the stability, safety, and cost control of the entire vehicle through their performance and structural design. With the rapid development of the automotive industry, the market is placing higher demands on the performance, lightweight design, and multi-functional integration of automotive components.

[0003] Existing leaf spring brackets lack effective lightweight design, and many products have unreasonable structures. For example, there are thick hot spots at the assembly holes of long bolts, resulting in uneven product wall thickness. This not only increases the weight of the product, but also increases the weight of the entire vehicle. Utility Model Content

[0004] In order to solve the technical problems existing in the background art, this utility model proposes a leaf spring bracket.

[0005] The present invention discloses a leaf spring bracket, comprising: a frame and a limiting component for connecting a main beam and a leaf spring body; the frame has a side extension plate that can support the bottom wall of the main beam; the frame has a first wall and a second wall arranged in parallel; the first wall and the side extension plate are arranged perpendicularly and abut against the side wall of the main beam; and the limiting component is installed on the frame and connects the main beam and the leaf spring body.

[0006] Preferably, it also includes multiple bolts, and the limiting component includes a bolt hole mounting component provided on the frame. The bolt hole mounting component includes multiple first bolt holes opened on the frame, and multiple second bolt holes are opened on the main beam. The multiple first bolt holes and the multiple second bolt holes correspond one-to-one and can be connected by multiple bolts to lock the frame onto the main beam.

[0007] Preferably, the limiting component also includes a leaf spring pin mounting hole opened at the bottom of the frame, and a leaf spring pin is fixedly installed on the leaf spring body. The leaf spring pin can be adapted to be inserted into the leaf spring pin mounting hole and connect the leaf spring body and the main beam.

[0008] Preferably, the bottom of the frame is also provided with a first side limiting hole. The length direction of the first side limiting hole is perpendicular to the length direction of the leaf spring pin mounting hole. The leaf spring pin has a first connecting hole that is perpendicular to the length direction of the leaf spring pin. The first connecting hole can be adapted to and connected with the first side limiting hole and locked by the first locking rod to limit the leaf spring pin on the leaf spring pin mounting hole.

[0009] Preferably, it also includes a lifting lug, and the limiting component also includes a lifting lug pin mounting hole opened at the bottom of the frame, on which a lifting lug pin is fixedly installed, and the lifting lug pin can be adapted to be inserted into the lifting lug pin mounting hole and connect the lifting lug and the main beam.

[0010] Preferably, a second side limiting hole is also provided at the bottom of the frame. The length direction of the second side limiting hole is perpendicular to the length direction of the lifting lug pin mounting hole. The lifting lug pin has a second connecting hole that is perpendicular to the length direction of the lifting lug pin. The second connecting hole can be adapted to and connected with the second side limiting hole and locked by the second locking rod to limit the lifting lug pin on the lifting lug pin mounting hole.

[0011] Preferably, the frame is provided with a first groove, a second groove, a third groove and a fourth groove for reducing the weight of the frame.

[0012] Preferably, the frame is also provided with weight-reducing holes and reinforcing ribs.

[0013] This utility model proposes a leaf spring bracket with the following advantages: The bracket body adopts an innovative design, eliminating the thick, hot spots at the long bolt mounting holes to achieve a balanced wall thickness. Combined with the design of weight-reducing holes and irregular holes, the bracket weight is significantly reduced while maintaining structural strength, effectively lowering the overall vehicle weight. Simultaneously, the multi-functional integrated design reduces product variety, simplifies the production process, and lowers production management costs, resulting in a significant overall cost reduction and providing OEMs with a more competitive cost advantage. The side extension plate and the first wall fit tightly against the main beam, while the second wall can be adapted to rear-processor brackets or mudguard brackets for different vehicle models. Combined with the optimized bolt hole layout, this achieves a robust yet flexible assembly. The leaf spring pin mounting holes and the lug pin mounting holes, through the cooperation of side limiting holes, connecting holes, and clamping rods, along with the additional clamping of the bolt holes on the pins, effectively prevent pin rotation and axial movement, significantly enhancing the stability and reliability of the connection structure and ensuring the safe operation of the leaf spring system during vehicle operation. The application of the slotted structure cleverly solves the problems of poor casting and machining processes associated with traditional ultra-long bolt holes, shortening the machining length and improving machining efficiency. The uniform wall thickness design reduces casting defects, lowers the difficulty of subsequent processing, reduces scrap rate, improves overall production efficiency, shortens production cycle, and increases enterprise production benefits. Attached Figure Description

[0014] Figure 1 This is a front view of a leaf spring bracket proposed in this utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of a leaf spring bracket according to the present invention.

[0016] Figure 3 This is a schematic diagram of the outer wall of a leaf spring bracket according to the present invention;

[0017] Figure 4 This is a front view of the internal structure of a leaf spring bracket according to the present invention.

[0018] Figure 5 This is a side view of the frame of a leaf spring bracket proposed in this utility model;

[0019] Figure 6 This is a schematic diagram of the lifting lug of a leaf spring bracket proposed in this utility model;

[0020] Figure 7 This is a schematic diagram of the leaf spring pin of a leaf spring bracket proposed in this utility model.

[0021] In the diagram: 1. Main beam, 11. First groove, 12. Second groove, 13. Third groove, 14. Fourth groove, 15. Weight reduction hole, 16. Reinforcing rib, 2. Leaf spring body, 3. Frame, 31. Side extension plate, 32. First wall, 33. Second wall, 4. Bolt hole mounting assembly, 5. Leaf spring pin mounting hole, 51. First side limiting hole, 6. Lifting lug pin mounting hole, 61. Second side limiting hole, 8. Lifting lug, 81. Second connecting hole, 9. Leaf spring pin, 91. First connecting hole. Detailed Implementation

[0022] refer to Figure 1-7 This utility model proposes a leaf spring bracket, including: a main beam 1, a leaf spring body 2, a frame 3, and a limiting component. A side extension plate 31, a first wall 32, and a second wall 33 are all mounted on the frame 3. The side extension plate 31 provides stable support to the bottom wall of the main beam 1. The first wall 32 is perpendicular to the side extension plate 31 and abuts against the side wall of the main beam 1. This design ensures a tight fit between the frame 3 and the main beam 1, enhancing connection stability. The second wall 33 can be fitted to the mounting surface of the after-processor bracket or the mudguard bracket, allowing for flexible selection based on different vehicle configurations. The optimized design in the manufacturing process eliminates the thick, hot spots at the long bolt mounting holes in traditional products, resulting in a more uniform wall thickness and avoiding casting defects caused by uneven wall thickness. It also reduces subsequent processing difficulty and improves production efficiency.

[0023] The bolt hole mounting component 4 in the limiting assembly has been further optimized. In addition to having multiple first bolt holes on the frame 3 that correspond to the second bolt holes on the main beam 1, the bolt hole layout has been designed with multiple functions to meet the assembly requirements of different vehicle models. For example, there are a total of 6 first bolt holes. By using long bolts, the aftertreatment bracket or mudguard bracket can be fixed to this multifunctional leaf spring bracket on the main beam 1, which facilitates quick and easy assembly while reducing the overall vehicle cost.

[0024] The design of the leaf spring pin mounting hole 5 and the lug pin mounting hole 6 has also been strengthened. Regarding the leaf spring pin mounting hole 5, the first side limiting hole 51 at the bottom of the frame 3 engages with the first connecting hole 91 on the leaf spring pin 9, and is locked by a first locking rod. This not only limits the leaf spring pin 9 within the leaf spring pin mounting hole 5 but also effectively prevents rotation and axial movement of the pin during vehicle operation. Similarly, the second side limiting hole 61 next to the lug pin mounting hole 6 is locked with the second connecting hole 82 on the lug pin by a second locking rod, ensuring the stability of the connection between the lug 8 and the main beam 1. This prevents axial movement and enhances the reliability of the entire connection structure.

[0025] The first groove 11, the second groove 12, the third groove 13, and the fourth groove 14 on the frame 3 all adopt a groove structure design. This design effectively solves the problem of poor casting and machining processability of the six extra-long bolt holes in traditional products. The modified structure makes the product wall thickness more uniform, shortens the processing length, and greatly improves processing efficiency. At the same time, reinforcing ribs 17 are set in the grooves to further enhance the rigidity and strength of the transition structure, and improve the overall load-bearing capacity and fatigue resistance of the leaf spring bracket.

[0026] The weight-reducing holes 15 on frame 3 not only reduce weight but also create a better load-bearing support structure, ensuring structural strength while reducing weight. The other irregular holes also primarily serve the function of weight reduction, while also taking into account manufacturability and aesthetics. Through reasonable hole layout and shape design, the appearance of the leaf spring bracket is made more concise and beautiful while meeting functional requirements.

[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A leaf spring bracket, characterized in that, include: The frame (3) and the limiting assembly are used to connect the main beam (1) and the leaf spring body (2). The frame (3) has a side extension plate (31) that can support the bottom wall of the main beam (1). The frame (3) has a first wall (32) and a second wall (33) arranged in parallel. The first wall (32) and the side extension plate (31) are arranged vertically and abut against the side wall of the main beam (1). The limiting assembly is installed on the frame (3) and connects the main beam (1) and the leaf spring body (2).

2. A leaf spring bracket according to claim 1, characterized in that, It also includes multiple bolts. The limiting component includes a bolt hole mounting component (4) set on the frame (3). The bolt hole mounting component (4) includes multiple first bolt holes opened on the frame (3). Multiple second bolt holes are opened on the beam (1). The multiple first bolt holes and the multiple second bolt holes correspond one-to-one and can be connected by multiple bolts to lock the frame (3) on the beam (1).

3. A leaf spring bracket according to claim 2, characterized in that, The limiting component also includes a leaf spring pin mounting hole (5) opened at the bottom of the frame (3). A leaf spring pin (9) is fixedly installed on the leaf spring body (2). The leaf spring pin (9) can be adapted to be inserted into the leaf spring pin mounting hole (5) and connect the leaf spring body (2) and the beam (1).

4. A leaf spring bracket according to claim 3, characterized in that, The bottom of the frame (3) is also provided with a first side limiting hole (51). The length direction of the first side limiting hole (51) is perpendicular to the length direction of the leaf spring pin mounting hole (5). The leaf spring pin (9) has a first connecting hole (91) that is perpendicular to the length direction of the leaf spring pin (9). The first connecting hole (91) can be adapted to the first side limiting hole (51) for conduction and locked by the first locking rod to limit the leaf spring pin (9) on the leaf spring pin mounting hole (5).

5. A leaf spring bracket according to claim 4, characterized in that, It also includes a lifting lug (8), and the limiting component also includes a lifting lug pin mounting hole (6) opened at the bottom of the frame (3). A lifting lug pin is fixedly installed on the lifting lug (8), and the lifting lug pin can be adapted to be inserted into the lifting lug pin mounting hole (6) and connect the lifting lug (8) and the main beam (1).

6. A leaf spring bracket according to claim 5, characterized in that, The bottom of the frame (3) is also provided with a second side limiting hole (61). The length direction of the second side limiting hole (61) is perpendicular to the length direction of the lug pin mounting hole (6). The lug pin has a second connecting hole (82) that is perpendicular to the length direction of the lug pin. The second connecting hole (82) can be adapted to the second side limiting hole (61) for conduction and locked by the second locking rod to limit the lug pin on the lug pin mounting hole (6).

7. A leaf spring bracket according to claim 1, characterized in that, The frame (3) has a first groove (11), a second groove (12), a third groove (13) and a fourth groove (14) for reducing the weight of the frame (3).

8. A leaf spring bracket according to claim 7, characterized in that, The frame (3) is also provided with weight reduction holes (15) and reinforcing ribs (16).

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