High strength integrated aluminum alloy frame

Abstract

This utility model discloses a high-strength integrated aluminum alloy vehicle frame, relating to the field of vehicle frame design. It includes a main beam and a frame, with the frame welded onto the main beam. Two main beams are provided, with one or more connecting columns between them. Each end of the connecting column has a recessed groove formed in its center, and the main beam is fitted into the recessed groove with a clearance fit. Reinforcing ribs are formed on both the upper and lower sides of the main beam. Bolt holes are formed on the main beam, and both ends of the connecting column are locked into these bolt holes by positioning bolts, with the bolt holes penetrating the reinforcing ribs. The two main beams are welded onto the recessed grooves at both ends of the connecting column. Compared to existing technologies, this utility model utilizes positioning bolts locked into the bolt holes of the main beam to achieve initial positioning of the connecting column, thus defining the position between the two main beams before welding, enhancing the connection strength and preventing welding misalignment. Furthermore, drilling bolt holes at the reinforcing ribs of the main beam does not reduce strength and ensures service life.

Description

Technical Field

[0001] This utility model relates to the field of vehicle frame design, and in particular to a high-strength one-piece aluminum alloy vehicle frame. Background Technology

[0002] The chassis, also known as the frame, is the base of a vehicle. It is generally composed of two longitudinal beams and several transverse beams, and is supported on the wheels via the suspension system, front axle, and rear axle. It has sufficient strength and rigidity to withstand the vehicle's load and the impact transmitted from the wheels. The function of the chassis is to support and connect the various assemblies of the vehicle, keep the assemblies in a relatively correct position, and withstand various loads inside and outside the vehicle.

[0003] In golf carts, the existing frames are generally assembled by manual welding, which requires visual inspection of the welding positions and is prone to welding misalignment. In addition, the main beams of the existing golf cart frames are generally made of hollow square tubes bent into shape, which has low strength and seriously affects the service life of the golf cart. Utility Model Content

[0004] To overcome the shortcomings mentioned above, this utility model provides a technical solution that can solve the above problems.

[0005] A high-strength integrated aluminum alloy frame, including a main beam and a frame, wherein the frame is welded and mounted on the main beam;

[0006] There are two main beams, and one or more connecting columns are provided between the two main beams. The cross-section of the connecting column is an "I" shaped structure, and the middle of both ends of the connecting column is formed with a recessed groove. The main beam is installed in the recessed groove with clearance fit.

[0007] The main beam is made of hollow square tube, and reinforcing ribs are formed on both the upper and lower sides inside the hollow square tube.

[0008] The main beam has bolt holes formed on it, and positioning bolts are installed in the bolt holes. The two ends of the connecting column are locked into the bolt holes of the main beam by positioning bolts. The bolt holes are set with reinforcing ribs.

[0009] The two main beams are welded and installed in the recessed grooves at both ends of the connecting column.

[0010] Furthermore: a first positioning protrusion is formed in the recessed groove, and a first positioning slot is formed on the inner side of the beam. The first positioning protrusion is inserted into the first positioning slot in a one-to-one gap fit.

[0011] Furthermore: a support side is fixedly installed on the bottom side of the front end of the vehicle frame, and the front and rear ends of the support side are respectively welded and installed on two main beams. A front suspension bracket is welded and installed in the middle of the front side of the support side.

[0012] Furthermore: the rear end of the front suspension bracket is formed with at least two second positioning protrusions, and the front side of the support side is formed with at least two second positioning slots, with the second positioning protrusions being inserted into the second positioning slots in a one-to-one gap fit.

[0013] Furthermore, triangular brackets are welded and fixedly installed between the front and rear ends of the front suspension bracket and the support edge.

[0014] Furthermore: Several crossbars are welded and fixedly installed inside the frame. The direction of the crossbars is parallel to the direction of the main beam. One or more clearance grooves are formed on the bottom side of the crossbars, and the connecting columns are installed in the clearance grooves with corresponding clearance fit.

[0015] Furthermore, anti-collision beam brackets are fixedly installed at the rear ends of the two main beams by screws.

[0016] Furthermore, both the main beam and the frame are made of aluminum alloy.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. The two ends of the connecting column are initially positioned by locking the positioning bolts into the bolt holes of the main beam, thereby defining the position between the two main beams. Then, welding is carried out to enhance the connection strength and ensure the precise assembly between the two main beams, preventing welding misalignment.

[0019] 2. Reinforcing ribs are installed on the upper and lower sides inside the hollow square tube of the main beam. The installation of reinforcing ribs can effectively enhance the strength of the main beam. The bolt holes are located on the reinforcing ribs of the main beam. Even if bolt holes are drilled on the main beam, the strength of the main beam will not be reduced, thus ensuring the service life of the main beam.

[0020] 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

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the structure of this utility model;

[0023] Figure 2 yes Figure 1 A magnified structural diagram at point A;

[0024] Figure 3 yes Figure 1 A magnified structural diagram at point B;

[0025] Figure 4 This is an exploded structural diagram of the present invention;

[0026] Figure 5 yes Figure 4 A magnified structural diagram at point C;

[0027] Figure 6 yes Figure 4 A magnified structural diagram at point D;

[0028] Figure 7 yes Figure 4 Enlarged structural diagram at point E.

[0029] The following components are shown in the diagram: 1. Main beam; 2. Frame; 3. Connecting column; 4. Recessed groove; 5. Reinforcing rib; 6. Bolt hole; 7. Positioning bolt; 8. First positioning protrusion; 9. First positioning slot; 10. Support edge; 11. Front suspension bracket; 12. Second positioning protrusion; 13. Second positioning slot; 14. Triangular bracket; 15. Crossbar; 16. Clearance groove; 17. Anti-collision beam bracket. Detailed Implementation

[0030] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0031] The components of the present invention embodiments described and shown in the accompanying drawings can typically be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.

[0032] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0033] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0035] like Figure 1-7 As shown, the high-strength integrated aluminum alloy frame 2 of this utility model includes a main beam 1 and a frame 2, wherein the frame 2 is welded and installed on the main beam 1;

[0036] Two main beams 1 are provided, and one or more connecting columns 3 are provided between the two main beams 1. The cross-section of the connecting column 3 is in the shape of an "I" and the middle of both ends of the connecting column 3 is formed with a recessed groove 4. The main beam 1 is installed in the recessed groove 4 with clearance fit.

[0037] The main beam 1 is made of hollow square tube, and reinforcing ribs 5 are formed on both the upper and lower sides inside the hollow square tube of the main beam 1.

[0038] The main beam 1 has bolt holes 6 formed on it. A positioning bolt 7 is installed in the bolt hole 6. The two ends of the connecting column 3 are locked in the bolt hole 6 of the main beam 1 by the positioning bolt 7. The bolt hole 6 is provided with a reinforcing rib 5.

[0039] The two main beams 1 are respectively welded and installed in the recessed grooves 4 at both ends of the connecting column 3;

[0040] The principle is as follows: the two ends of the connecting column 3 are initially positioned by locking the positioning bolts 7 into the bolt holes 6 of the main beam 1, thereby defining the position between the two main beams 1. Then, welding is performed to enhance the connection strength, thus ensuring the precise assembly between the two main beams 1 and preventing welding misalignment. In addition, reinforcing ribs 5 are set on the upper and lower sides inside the hollow square tube of the main beam 1. The setting of the reinforcing ribs 5 can effectively enhance the strength of the main beam 1. The bolt holes 6 are set on the reinforcing ribs 5 of the main beam 1. Even if bolt holes 6 are drilled on the main beam 1, the strength of the main beam 1 will not be reduced, thus ensuring the service life of the main beam 1.

[0041] Furthermore: a first positioning protrusion 8 is formed in the recessed groove 4, and a first positioning slot 9 is formed on the inner side of the main beam 1. The first positioning protrusion 8 is inserted into the first positioning slot 9 with a corresponding gap. The first positioning protrusion 8 can be inserted into the first positioning slot 9 to achieve precise positioning and assembly of the connecting column 3 between the two main beams 1, ensuring the welding accuracy between the main beam 1 and the connecting column 3.

[0042] Furthermore: a support side 10 is fixedly installed on the bottom side of the front end of the frame 2. The front and rear ends of the support side 10 are respectively welded and installed on two main beams 1. A front suspension bracket 11 is welded and installed in the middle of the front side of the support side 10. The support side 10 can effectively install the front suspension bracket 11, forming a stable frame body of the golf cart.

[0043] Furthermore: the rear end of the front suspension bracket 11 is formed with at least two second positioning protrusions 12, and the front side of the support side 10 is formed with at least two second positioning slots 13. The second positioning protrusions 12 are inserted into the second positioning slots 13 in a one-to-one gap fit; this can ensure the precise welding and positioning of the front suspension bracket 11 on the support side 10.

[0044] Furthermore, a triangular bracket 14 is welded and fixedly installed between the front and rear ends of the front suspension bracket 11 and the support edge 10; this can effectively enhance the installation strength of the front suspension bracket 11.

[0045] Furthermore: Several crossbars 15 are welded and fixedly installed inside the frame 2. The direction of the crossbars 15 is parallel to the direction of the main beam 1. One or more clearance grooves 16 are formed on the bottom side of the crossbars 15. The connecting columns 3 are installed in the clearance grooves 16 in a corresponding gap fit. The crossbars 15 can provide support for the frame 2. The crossbars 15 match the connecting columns 3 through the clearance grooves 16, which can enhance the strength of the entire frame 2.

[0046] Furthermore, anti-collision beam brackets 17 are fixedly installed at the rear ends of the two main beams 1 with screws, which can play a role in preventing collisions.

[0047] Furthermore, both the main beam 1 and the frame 2 are made of aluminum alloy, which can effectively enhance the strength of the main beam 1 and the frame 2, achieve integrated welding processing, and ensure the service life of the golf cart.

[0048] This embodiment does not impose any limitation on the shape, material, structure, etc. of this utility model. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this utility model shall fall within the protection scope of this utility model.

Claims

1. A high-strength integrated aluminum alloy frame, including a main beam and a frame, wherein the frame is welded and mounted on the main beam; characterized in that There are two main beams, and one or more connecting columns are provided between the two main beams. The cross-section of the connecting column is "I" shaped, and the middle of both ends of the connecting column is formed with a recessed groove. The main beam is installed in the recessed groove with clearance fit. The main beam is made of hollow square tube, and reinforcing ribs are formed on both the upper and lower sides inside the hollow square tube. The main beam has bolt holes formed on it, and positioning bolts are installed in the bolt holes. The two ends of the connecting column are locked into the bolt holes of the main beam by positioning bolts. The bolt holes are set with reinforcing ribs. The two main beams are welded and installed in the recessed grooves at both ends of the connecting column.

2. The high strength monocoque aluminum alloy vehicle frame of claim 1, wherein: The recessed groove is formed with a first positioning protrusion, and the inner side of the beam is formed with a first positioning slot. The first positioning protrusion is inserted into the first positioning slot in a one-to-one gap fit.

3. The high strength monocoque aluminum alloy vehicle frame of claim 1, wherein: A support side is fixedly installed on the bottom side of the front end of the vehicle frame. The front and rear ends of the support side are welded and installed on two main beams respectively. A front suspension bracket is welded and installed in the middle of the front side of the support side.

4. The high strength monocoque aluminum alloy vehicle frame of claim 3, wherein: The rear end of the front suspension bracket is formed with at least two second positioning protrusions, and the front side of the support side is formed with at least two second positioning slots. The second positioning protrusions are inserted into the second positioning slots in a one-to-one gap fit.

5. The high-strength monocoque aluminum alloy vehicle frame of any one of claims 3 or 4, wherein: Triangular brackets are welded and fixedly installed between the front and rear ends of the front suspension bracket and the support side.

6. The high-strength, monocoque aluminum alloy vehicle frame of claim 1, wherein: Several crossbars are welded and fixedly installed inside the frame. The direction of the crossbars is parallel to that of the main beam. One or more clearance grooves are formed on the bottom side of the crossbars, and the connecting columns are installed in the clearance grooves with corresponding clearance fit.

7. The high-strength, monocoque aluminum alloy vehicle frame of claim 1, wherein: The rear ends of the two main beams are fixed with anti-collision beam brackets by screws.

8. The high-strength, monocoque aluminum alloy vehicle frame of claim 1, wherein: Both the main beam and the frame are made of aluminum alloy.

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