Independent suspension system with die-casting aluminum alloy upper rocker arm and die-casting aluminum alloy lower rocker arm

Abstract

The independent suspension system with the die-casting aluminum alloy upper rocker arm and the die-casting aluminum alloy lower rocker arm comprises a first installation frame and two connecting clamps, a steering gear box is fixedly installed in the center of one side of the first installation frame, piston shock absorbers are fixedly installed on the two sides of the steering gear box, and the piston shock absorbers are fixedly installed on the two sides of the steering gear box. The ends, away from the steering gear box, of the piston shock absorbers are connected with second connecting screw rods, and a second frame connecting plate is fixedly mounted at the bottom of the side, provided with the steering gear box, of the first mounting frame. The independent suspension system is low in cost and maintenance cost and easy to produce and maintain, light weight and high strength are achieved by adopting die-casting aluminum alloy materials to manufacture the plate-type upper rocker arm and the plate-type lower rocker arm, meanwhile, the independent suspension system has the advantages of being light in weight, high in strength and high in durability by optimally designing the structures of the plate-type upper rocker arm and the plate-type lower rocker arm, and the service life of the independent suspension system is prolonged. And meanwhile, the controllability and the riding comfort are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of golf carts, in particular to an independent suspension system with die-cast aluminum alloy upper and lower swing arms. Background Technique

[0002] A golf cart, also known as a golf electric vehicle, is a small electric vehicle designed specifically for golf courses. It is usually driven by an electric motor, has the ability to carry people and goods, and can easily shuttle within the golf course. In addition, golf carts also have the characteristics of strong power, simple operation, and convenient maintenance, which can improve the operation efficiency of the course, reduce the burden of manual course patrol, and at the same time provide a more comfortable and convenient playing experience for players. With the popularization of golf carts, their performance and safety have received increasing attention. Among them, the stability of the independent suspension system is crucial for the safety and comfort of golf carts.

[0003] The existing independent suspension systems of golf carts usually adopt simple suspension systems, such as absorbing shocks and vibrations from the road surface through springs and shock absorbers. Traditional independent suspension systems usually have problems such as large weight, complex structure, and high maintenance costs. Therefore, developing an independent suspension system with lightweight, high strength, and high durability is an urgent problem to be solved currently. Content of the Utility Model

[0004] The purpose of the utility model is to provide an independent suspension system with die-cast aluminum alloy upper and lower swing arms to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: an independent suspension system with die-cast aluminum alloy upper and lower swing arms, including a mounting frame one and two connecting clips. At the center of one side of the mounting frame one, a steering gear is fixedly installed. On both sides of the steering gear, piston shock absorbers are fixedly installed. The ends of the piston shock absorbers far away from the steering gear are all connected with connecting screws two. At the bottom of the mounting frame one on the side where the steering gear is installed, a vehicle frame connecting plate two is fixedly installed. On both sides of the mounting frame one, plate-shaped lower swing arms are hingedly installed. At the top of the mounting frame one, a mounting frame two is fixedly installed. On both sides of the mounting frame two, plate-shaped upper swing arms are hingedly installed. At the ends of the plate-shaped upper swing arms far away from the mounting frame two, connecting screws one are installed. At the top of the mounting frame two, a vehicle frame connecting plate one is fixedly installed. On one side of the vehicle frame connecting plate one, two spring shock absorbers are symmetrically hinged. On the tops of the two connecting clips, swing arm connecting seats are installed. On one side of the two connecting clips, side arc-shaped rod members are installed. On the sides of the two connecting clips far away from the side arc-shaped rod members, connecting shafts are fixedly installed.

[0006] Preferably, one ends of the two spring shock absorbers away from the first frame connecting plate are respectively hinged and installed at the tops of the two plate-shaped lower swing arms.

[0007] Preferably, one ends of the two plate-shaped upper swing arms away from the second installation frame are respectively connected to the two swing arm connecting seats through the first connecting screw.

[0008] Preferably, one ends of the two plate-shaped lower swing arms away from the first installation frame are respectively hinged to one sides of the two connecting clips away from the connecting shaft.

[0009] Preferably, one sides of the two piston shock absorbers away from the steering gear are respectively connected to one sides of the side arc-shaped rod away from the connecting clip through the second connecting screw.

[0010] Preferably, wheels are rotatably installed on one sides of the connecting shafts away from the connecting clips, mounting seats are clamped and installed on the outer sides of the wheels, and wheels are fixedly installed on the outer sides of the mounting seats.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: when the golf cart passes through a bumpy and undulating road section, the connecting clip can disperse and transmit the shock force generated by the bumps to the plate-shaped upper swing arm, the plate-shaped lower swing arm and the side arc-shaped rod, so as to disperse and damp the shock force. Among them, the shock force can be offset by the provided spring shock absorber and piston shock absorber, so as to ensure the smoothness of the first frame connecting plate and the second frame connecting plate, so that the golf cart maintains smoothness, effectively absorbs and buffers the impact and vibration from the road surface, improves the smoothness and comfort of driving. Through reasonable design and material selection, the independent suspension system has sufficient strength and stability, and can meet the actual use requirements;

[0012] The independent suspension system also has low cost and maintenance cost, is easy to produce and maintain. By adopting die-cast aluminum alloy material to make the plate-shaped upper swing arm and the plate-shaped lower swing arm, lightweight and high strength are achieved. At the same time, by optimizing the structures of the plate-shaped upper swing arm and the plate-shaped lower swing arm, the advantages of lightweight, high strength and high durability are realized, and the controllability and riding comfort are improved at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional external structure schematic diagram of the present utility model.

[0014] Figure 2 It is a three-dimensional exploded structure schematic diagram of the present utility model.

[0015] In the figure: 1. Installation frame one; 2. Installation frame two; 3. Frame connecting plate one; 4. Spring shock absorber; 5. Plate type upper rocker arm; 6. Connecting screw one; 7. Wheel; 8. Connecting shaft; 9. Connecting clip; 10. Side arc-shaped frame rod; 11. Plate type lower rocker arm; 12. Connecting screw two; 13. Frame connecting plate two; 14. Steering gear; 15. Piston shock absorber; 16. Hub; 17. Rocker arm connecting seat; 18. Mounting seat. Detailed implementation manner

[0016] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0017] Please refer to Figures 1-2 , the present invention provides a technical solution: an independent suspension system with die-cast aluminum alloy upper and lower rocker arms, including an installation frame one 1 and two connecting clips 9. A steering gear 14 is fixedly installed at the center of one side of the installation frame one 1. Piston shock absorbers 15 are fixedly installed on both sides of the steering gear 14. One end of each piston shock absorber 15 away from the steering gear 14 is connected to a connecting screw two 12. A frame connecting plate two 13 is fixedly installed at the bottom of the side of the installation frame one 1 where the steering gear 14 is installed. Plate type lower rocker arms 11 are hingedly installed on both sides of the installation frame one 1. An installation frame two 2 is fixedly installed at the top of the installation frame one 1. Plate type upper rocker arms 5 are hingedly installed on both sides of the installation frame two 2. One end of each plate type upper rocker arm 5 away from the installation frame two 2 is installed with a connecting screw one 6. A frame connecting plate one 3 is fixedly installed at the top of the installation frame two 2. Two spring shock absorbers 4 are symmetrically hinged on one side of the frame connecting plate one 3. One end of each of the two spring shock absorbers 4 away from the frame connecting plate one 3 is respectively hingedly installed on the top of the two plate type lower rocker arms 11. Rocker arm connecting seats 17 are installed on the tops of the two connecting clips 9. One end of each of the two plate type upper rocker arms 5 away from the installation frame two 2 is respectively connected to the two rocker arm connecting seats 17 through the connecting screw one 6. Side arc-shaped frame rods 10 are installed on one side of the two connecting clips 9. Connecting shafts 8 are fixedly installed on one side of the two connecting clips 9 away from the side arc-shaped frame rods 10. One end of each of the two plate type lower rocker arms 11 away from the installation frame one 1 is respectively hinged to one side of the two connecting clips 9 away from the connecting shafts 8. One side of each of the two piston shock absorbers 15 away from the steering gear 14 is respectively connected to one side of the side arc-shaped frame rods 10 away from the connecting clips 9 through the connecting screw two 12.

[0018] Working principle of the above technical solution: First, the structure is fixedly connected to the vehicle frame through the vehicle frame connecting plate 1 and the vehicle frame connecting plate 2. When the golf cart passes through bumpy and undulating roads, the connecting clip 9 can disperse and transmit the vibration force generated by the bumps to the plate upper swing arm 5, the plate lower swing arm 11, and the side arc-shaped rod 10, so as to disperse and reduce the vibration force. Among them, the spring shock absorber 4 and the piston shock absorber 15 can offset the dispersed vibration force, so as to ensure the smoothness of the vehicle frame connecting plate 1 and the vehicle frame connecting plate 2, so that the golf cart maintains smoothness, effectively absorbs and buffers the impact and vibration from the road surface, and improves the driving smoothness and comfort. Through reasonable design and material selection, the independent suspension system has sufficient strength and stability to meet the actual use requirements. At the same time, the independent suspension system also has low cost and maintenance cost, and is easy to produce and maintain. By using die-cast aluminum alloy material to make the plate upper swing arm 5 and the plate lower swing arm 11, lightweight and high strength are achieved. At the same time, by optimizing the structure of the plate upper swing arm 5 and the plate lower swing arm 11, it has the advantages of lightweight, high strength, and high durability, and improves the controllability and riding comfort.

[0019] In another embodiment, as Figures 1-2 shown, hubs 16 are rotatably installed on the sides of the connecting shaft 8 away from the connecting clip 9, mounting seats 18 are snap-fitted on the outsides of the hubs 16, and wheels 7 are fixedly installed on the outsides of the mounting seats 18.

[0020] By providing the hubs 16 and the mounting seats 18, it is convenient to connect the wheels 7 to the connecting shaft 8, thus completing the assembly of the wheels 7. The assembly is convenient and the performance is stable.

[0021] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An independent suspension system with die-cast aluminum alloy upper and lower rocker arms, comprising a mounting frame (1) and two connecting clips (9), characterized in that: A steering gear (14) is fixedly mounted at the center of one side of the mounting frame (1), piston shock absorbers (15) are fixedly mounted on both sides of the steering gear (14), and one end of the piston shock absorber (15) away from the steering gear (14) is connected to a connecting screw rod (12), a frame connecting plate (13) is fixedly mounted at the bottom of the mounting frame (1) on one side of which the steering gear (14) is mounted, plate-type lower rocker arms (11) are hingedly mounted on both sides of the mounting frame (1), a mounting frame (2) is fixedly mounted on the top of the mounting frame (1), and both ends of the mounting frame (2) are connected to the mounting frame (1). A plate-type upper rocker arm (5) is hingedly installed on each side, and a connecting screw rod (6) is installed on the end of the plate-type upper rocker arm (5) away from the mounting frame (2). A frame connecting plate (3) is fixedly installed on the top of the mounting frame (2). Two spring shock absorbers (4) are symmetrically hinged on one side of the frame connecting plate (3). A rocker arm connecting seat (17) is installed on the top of the two connecting clips (9), and a side arc-shaped frame rod (10) is installed on one side of the two connecting clips (9). A connecting shaft (8) is fixedly installed on the side of the two connecting clips (9) away from the side arc-shaped frame rod (10).

2. An independent suspension system with die-cast aluminum alloy upper and lower rocker arms according to claim 1, characterized in that: One end of the two spring shock absorbers (4) away from the frame connecting plate (3) is hingedly mounted on the top of the two plate-type lower rocker arms (11).

3. The independent suspension system with die-cast aluminum alloy upper and lower rocker arms according to claim 1, characterized in that: One end of the two plate-type upper rocker arms (5) away from the second mounting frame (2) is connected to two rocker arm connecting seats (17) via a connecting screw rod (6) respectively.

4. The independent suspension system with die-cast aluminum alloy upper and lower rocker arms according to claim 1, characterized in that: One end of the two plate-type lower rocker arms (11) away from the mounting frame (1) is hinged to one side of the two connecting clips (9) away from the connecting shaft (8).

5. The independent suspension system with die-cast aluminum alloy upper and lower rocker arms according to claim 1, characterized in that: The two piston shock absorbers (15) are connected to the side of the side arc-shaped frame rod (10) away from the connecting clip (9) through the second connecting screw rod (12).

6. The independent suspension system with die-cast aluminum alloy upper and lower rocker arms according to claim 1, characterized in that: A wheel hub (16) is rotatably mounted on one side of the connecting shaft (8) away from the connecting clip (9), a mounting seat (18) is clamped and mounted on the outer side of the wheel hub (16), and a wheel (7) is fixedly mounted on the outer side of the mounting seat (18).

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