Suspension type strong supporting rear axle
By installing reinforced pipes and square pipes between the bridge package and bridge pipe of the suspended strongly supported rear axle, the deformation and fracture problems caused by the concentration of stress of the traditional support rear axle are solved, and a more stable load-bearing capacity and the effect of reducing the risk of breaking the bridge is achieved.
Patent Information
- Application Number
- CN202420662789.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-02
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-04-02
AI Technical Summary
The traditional support rear axle does not have a support pipe, which causes stress to be concentrated on the bridge package, which is prone to deformation, increasing the resistance during driving, resulting in tooth breakage and tooth breakage.
A suspended strongly supported rear axle is designed, and the bridge pipe is fixedly connected on both sides of the bridge package, and reinforced pipes are installed at the top and bottom of the bridge pipe. The welding between the bridge package and the bridge pipe is completed through the reinforced pipe and square pipe, which improves the structural strength of the bridge pipe and disperses the stress.
The structural strength of the bridge pipe is improved, the stress concentration of the rear bridge package is reduced, the deformation and fracture of the bridge pipe is avoided, the more stable load-bearing capacity is ensured, and the risk of breaking the bridge is reduced.
Smart Images
Figure CN222645723U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rear axle support for electric multi-wheeled vehicles, in particular to a suspended strong support rear axle. Background Art
[0002] Electric tricycles and four-wheel vehicles mostly use a supported rear axle structure to connect the wheel hub to drive the electric tricycle or four-wheel vehicle to move. However, the traditional supported rear axle does not have a support tube. In actual use, the stress is concentrated on the bridge pack, which will cause the bridge pack to easily deform. The deformation of the bridge pack will increase the resistance during driving and easily cause tooth breakage and tooth knocking. Utility Model Content
[0003] The utility model provides a suspended strong support rear axle, which solves the problem that the traditional support rear axle has no support tube. In actual use, the stress is concentrated on the bridge pack, which will cause the bridge pack to be easily deformed. The deformation of the bridge pack will increase the resistance during driving and easily cause broken teeth and tooth knocking.
[0004] In order to solve the above technical problems, the utility model provides a suspended strong support rear axle, including a bridge bag, the bridge bag includes bridge tubes fixedly connected on both sides thereof, the top and bottom of the bridge tubes are fixedly connected with reinforcement tubes, the bridge bag is arranged between the two reinforcement tubes, the outside of the bridge tube is installed with a brake assembly through fasteners, the inside of the bridge tube is plugged with a suspended plum blossom half-axle, one end of the suspended plum blossom half-axle extending to the outside of the bridge tube is provided with a suspended hub, a hollow opening is opened through the middle of the suspended wheel hub, a suspended bearing is arranged in the hollow opening, the outer ring of the suspended bearing is fixedly connected to the inner wall of the hollow opening, and the inner ring of the suspended bearing is fixedly connected to the bridge tube.
[0005] Preferably, one end of the bridge tube away from the brake assembly is fixedly connected to a square tube, the bridge tube is fixedly connected to the bridge package through the square tube, the reinforcing tube is elliptical in shape, and both ends of the reinforcing tube are respectively fixedly connected to the bridge tubes at corresponding positions.
[0006] Preferably, the bridge tube includes a square plate fixedly connected to one end thereof, a plurality of positioning bolts are threadedly connected to the inner thread of the square plate, and a plurality of threaded blind holes matching the positioning bolts are provided in the brake assembly.
[0007] Preferably, the brake assembly includes a brake disc, a brake caliper, a friction plate, a wheel cylinder, a rocker column and a rocker arm, the brake disc is fixedly connected to the square disc, the friction plate is slidably arranged in the brake disc, the wheel cylinder and the friction plate are transmission-connected to the brake caliper, the rocker column is rotationally connected to the brake disc, and the rocker arm is fixedly connected to the rocker column.
[0008] Preferably, the suspended plum blossom half-axle includes a suspended plum blossom plate integrally formed therewith, a plurality of hub bolts are rotatably connected in the suspended plum blossom plate, and a plurality of threaded fixing holes matched with the hub bolts are opened in the suspended hub.
[0009] Preferably, the suspension hub comprises a base plate integrally formed therewith, a fitting ring is fixedly connected to one side of the suspension hub, a load-bearing tube for connecting to the bridge body is fixedly connected to the middle of the base plate, one end of the load-bearing tube is tightly attached to the side of the base plate, the other end of the load-bearing tube extends to the interior of the suspension hub, the hollow opening is penetrated through the interior of the load-bearing tube, and the specific shape of the load-bearing tube is a conical barrel.
[0010] Compared with the related art, the suspended strong support rear axle provided by the utility model has the following beneficial effects:
[0011] In the utility model, reinforcing tubes are added to the top and bottom of the bridge bag, and the reinforcing tubes and square tubes are used to complete the welding between the bridge bag and the bridge tube, thereby improving the structural strength of the bridge tube and reducing the stress of the rear axle bridge bag to avoid concentration, so that the force is dispersed on the bridge tube, making the bridge tube less likely to deform and break, while also providing more stable load-bearing capacity and reducing the risk of bridge breakage. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the overall structure of a suspended strong support rear axle;
[0013] Figure 2 It is a structural schematic diagram of a suspended plum blossom plate in a suspended strong support rear axle;
[0014] Figure 3 It is a structural schematic diagram of a suspended plum blossom half-axle in a suspended strong support rear axle;
[0015] Figure 4 It is a structural cross-sectional view of a suspended strong-support rear axle.
[0016] Numbers in the figure: 1. Bridge package; 2. Reinforcement tube; 3. Bridge tube; 4. Square plate; 5. Brake assembly; 6. Suspended wheel hub; 7. Suspended plum blossom plate; 8. Wheel hub bolts; 9. Rocker column; 10. Rocker arm; 11. Suspended plum blossom half shaft; 12. Suspended bearing. DETAILED DESCRIPTION
[0017] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0018] In the description of the present utility model, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like are involved, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.
[0019] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0020] See also Figure 1-Figure 4 , an embodiment provided by the utility model:
[0021] A suspended strong support rear axle, comprising a bridge bag 1, the bridge bag 1 comprising a bridge tube 3 fixedly connected to both sides thereof, the top and bottom of the bridge tube 3 are fixedly connected with a reinforcement tube 2, the bridge bag 1 is arranged between the two reinforcement tubes 2, the outside of the bridge tube 3 is installed with a brake assembly 5 through a fastener, a suspended plum blossom half shaft 11 is inserted into the inside of the bridge tube 3, one end of the suspended plum blossom half shaft 11 extending to the outside of the bridge tube 3 is provided with a suspended hub 6, a hollow opening is penetrated through the middle of the suspended hub 6, a suspended bearing 12 is arranged in the hollow opening, the outer ring of the suspended bearing 12 is fixedly connected to the inner wall of the hollow opening, the inner ring of the suspended bearing 12 is fixedly connected to the bridge tube 3, by installing reinforcement tubes 2 at the top and bottom of the bridge bag 1, and using the reinforcement tubes 2 and square tubes to complete the welding between the bridge bag 1 and the bridge tube 3, the structural strength of the bridge tube 3 is improved, and at the same time, the stress of the rear axle bridge bag 1 is reduced to avoid concentration, so that the force is dispersed to the bridge tube 3, so that the bridge tube 3 is not easy to deform and break, and the load-bearing is more stable, reducing the risk of bridge breaking;
[0022] See also Figure 1 In this embodiment, one end of the bridge tube 3 away from the brake assembly 5 is fixedly connected with a square tube, and the bridge tube 3 is fixedly connected to the bridge package 1 through the square tube. The shape of the reinforcement tube 2 is elliptical, and the two ends of the reinforcement tube 2 are respectively fixedly connected to the bridge tube 3 at the corresponding position. The square tube and the reinforcement tube 2 are both made into an elliptical shape by the cold pressing process in the prior art, and the bridge package 1 and the bridge tube 3 are welded;
[0023] It should be noted that the bridge tube 3 includes a square plate 4 fixedly connected to one end thereof, a plurality of positioning bolts are connected to the inner thread of the square plate 4, a plurality of threaded blind holes adapted to the positioning bolts are provided in the brake assembly 5, and the brake assembly 5 is designed to be detachable by utilizing the connection between the positioning bolts and the brake assembly 5, so as to facilitate the later maintenance and replacement of the brake assembly 5;
[0024] See also Figure 1 In this embodiment, the brake assembly 5 includes a brake disc, a brake caliper, a friction plate, a wheel cylinder, a rocker column 9 and a rocker arm 10. The brake disc is fixedly connected to the square disc 4, the friction plate is slidably arranged in the brake disc, the wheel cylinder and the friction plate are transmission-connected to the brake caliper, the rocker column 9 is rotationally connected to the brake disc, and the rocker arm 10 is fixedly connected to the rocker column 9. The friction between the friction plate and the suspension wheel hub 6 can reduce its rotation speed by using friction force, thereby achieving the purpose of deceleration braking.
[0025] See also Figure 4 In this embodiment, the suspended plum blossom half-axle 11 includes a suspended plum blossom plate 7 integrally formed therewith, and a plurality of wheel hub bolts 8 are rotatably connected in the suspended plum blossom plate 7. A plurality of threaded fixing holes matching the wheel hub bolts 8 are provided in the suspended wheel hub 6. The suspended bearing 12 is combined with the bridge tube 3 to bear the load, and the suspended plum blossom half-axle 11 rotatably arranged inside it only transmits the power but does not bear the force, so that the rear axle of the electric tricycle and the electric four-wheel vehicle can be operated more safely and stably, avoiding the occurrence of axle breakage and wheel flying caused by excessive force concentration in the later stage, thereby improving the safety of the rear axle of the electric tricycle and the electric four-wheel vehicle.
[0026] See also Figure 4 In this embodiment, the suspension hub 6 includes a base plate integrally formed therewith, a fitting ring is fixedly connected to one side of the suspension hub 6, a load-bearing cylinder for connecting to the bridge body is fixedly connected to the middle of the base plate, one end of the load-bearing cylinder is tightly attached to the side of the base plate, and the other end of the load-bearing cylinder extends to the interior of the suspension hub 6, and a hollow opening is provided in the interior of the load-bearing cylinder. The specific shape of the load-bearing cylinder is a conical barrel. The setting of the hollow opening can connect the bridge tube 3 and the suspension hub 6 together through the suspension bearing 12.
[0027] Working principle: By adding reinforcing tubes 2 to the top and bottom of the bridge package 1, and using the reinforcing tubes 2 and square tubes to complete the welding between the bridge package 1 and the bridge tube 3, the structural strength of the bridge tube 3 is improved, and the stress of the rear axle bridge package 1 is reduced to avoid concentration. When the electric tricycle is driving, the force can be dispersed to the bridge tube 3, making the bridge tube 3 less likely to deform and break while being more stable in load bearing. The combination of the suspended bearing 12 and the bridge tube 3 assumes the role of bearing weight, while the suspended plum blossom half-axle 11 rotating inside it only transmits power without being subjected to force, making the rear axle of the electric tricycle and electric four-wheeler safer and more stable.
[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A suspended strong support rear axle, characterized in that: The invention comprises a bridge bag (1), wherein the bridge bag (1) comprises a bridge tube (3) fixedly connected to two sides thereof, the top and the bottom of the bridge tube (3) are fixedly connected to a reinforcement tube (2), the bridge bag (1) is arranged between the two reinforcement tubes (2), the outside of the bridge tube (3) is installed with a brake assembly (5) via a fastener, the inside of the bridge tube (3) is plugged with a suspended plum blossom half shaft (11), one end of the suspended plum blossom half shaft (11) extending to the outside of the bridge tube (3) is provided with a suspended hub (6), the middle part of the suspended hub (6) is provided with a hollow opening, a suspended bearing (12) is provided in the hollow opening, the outer ring of the suspended bearing (12) is fixedly connected to the inner wall of the hollow opening, and the inner ring of the suspended bearing (12) is fixedly connected to the bridge tube (3).
2. The suspended strong support rear axle according to claim 1, characterized in that: One end of the bridge tube (3) away from the brake assembly (5) is fixedly connected to a square tube, and the bridge tube (3) is fixedly connected to the bridge package (1) via the square tube. The reinforcing tube (2) is elliptical in shape, and both ends of the reinforcing tube (2) are respectively fixedly connected to the bridge tube (3) at corresponding positions.
3. The suspended strong support rear axle according to claim 1, characterized in that: The bridge tube (3) comprises a square plate (4) fixedly connected to one end thereof, a plurality of positioning bolts being connected to the inner thread of the square plate (4), and a plurality of threaded blind holes matching the positioning bolts being provided in the brake assembly (5).
4. The suspended strong support rear axle according to claim 1, characterized in that: The brake assembly (5) comprises a brake disc, a brake caliper, a friction plate, a wheel cylinder, a rocker column (9) and a rocker arm (10); the brake disc is fixedly connected to the square disc (4); the friction plate is slidably arranged in the brake disc; the wheel cylinder and the friction plate are transmission-connected to the brake caliper; the rocker column (9) is rotationally connected to the brake disc; and the rocker arm (10) is fixedly connected to the rocker column (9).
5. The suspended strong support rear axle according to claim 1, characterized in that: The suspended plum blossom half shaft (11) comprises a suspended plum blossom plate (7) formed integrally therewith, a plurality of wheel hub bolts (8) being rotatably connected thereto, and a plurality of threaded fixing holes matching the wheel hub bolts (8) being provided in the suspended wheel hub (6).
6. The suspended strong support rear axle according to claim 1, characterized in that: The suspension hub (6) comprises a base plate formed integrally therewith, a fitting ring being fixedly connected to one side of the suspension hub (6), a load-bearing cylinder for connecting to the bridge body being fixedly connected to the middle of the base plate, one end of the load-bearing cylinder being in close contact with the side surface of the base plate, the other end of the load-bearing cylinder extending into the interior of the suspension hub (6), the hollow opening being penetrated and opened in the interior of the load-bearing cylinder, and the specific shape of the load-bearing cylinder is a conical barrel.