CN221921756U - Embedded two-bearing disc brake disc - Google Patents

Abstract

The utility model relates to the technical field of electric tricycle driving, in particular to an embedded two-bearing disc brake disc, which comprises a brake disc main body, wherein the brake disc main body comprises a base plate which is integrally formed with the brake disc main body, one side of the brake disc main body is fixedly connected with a laminating ring, the middle part of the base plate is fixedly connected with a bearing cylinder which is used for being connected with a bridge body, one end of the bearing cylinder is tightly attached to the side surface of the base plate, the other end of the bearing cylinder extends into the brake disc main body, and a hollow opening for installing a suspension bearing is formed in the bearing cylinder in a penetrating manner. According to the utility model, the suspension bearing and the bridge body are combined to bear the load, and the suspension plum half shaft rotatably arranged in the suspension plum half shaft is only driven without stress, so that the rear axle of the electric tricycle and the electric four-wheel vehicle can run more safely and stably, the conditions of broken axle and wheel flying caused by too concentrated stress in the later period are avoided, and the use safety of the rear axle of the electric tricycle and the electric four-wheel vehicle is improved.

Description

An embedded two-bearing disc brake disc

Technical Field

The utility model relates to the technical field of electric tricycle driving, in particular to an embedded two-bearing disc brake disc.

Background Art

The traditional disc brake is an axial drive rear axle, a four-nut arch-type tapered brake disc, and a tapered shaft axial drive combined with the bridge body. In particular, electric tricycles and electric four-wheelers all use axial drive rear axles. When the electric tricycles and four-wheelers are actually driving, their half-axles need to be both driven and stressed, which reduces the service life of the half-axles. During driving, the axial drive rear axle is often subjected to excessive concentrated force, which can easily lead to broken axles or even wheels flying out, causing the electric tricycles and electric four-wheelers to be damaged and unable to continue driving.

Utility Model Content

The purpose of the utility model is to provide an embedded two-bearing disc brake disc to solve the problem raised in the above background technology that when electric tricycles and four-wheelers are actually driving, their half-axles need to both transmit and bear force, which reduces the service life of the half-axles. During driving, the force on the axial drive rear axle is often too concentrated, which easily leads to the problem of broken axles and even wheels flying out, causing the electric tricycles and electric four-wheelers to be damaged and unable to continue driving.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an embedded two-bearing disc brake disc, comprising a brake disc body, the brake disc body comprising a base plate integrally formed therewith, a fitting ring fixedly connected to one side of the brake disc body, a load-bearing cylinder for connecting to a bridge body 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, the other end of the load-bearing cylinder extends to the interior of the brake disc body, a hollow opening for installing a suspended bearing is opened through the load-bearing cylinder, a plurality of half-shaft connecting surfaces for connecting to a suspended plum blossom half-shaft are provided in the brake disc body, and the plurality of half-shaft connecting surfaces are arranged in a circular array with the hollow opening as a circle.

Preferably, the brake disc body also includes a plurality of thickened plates integrally formed therewith, the plurality of thickened plates are arranged in a circular array, one end of the thickened plate is fixedly connected to the load-bearing cylinder, and the other end of the thickened plate is fixedly connected to the base plate.

Preferably, a plurality of weight-reducing openings are provided through the brake disc body, the plurality of weight-reducing openings are arranged equidistantly, the weight-reducing openings are arranged in the middle of the base plate and the weight-reducing openings, a plurality of docking openings are provided on one side of the fitting ring, and the docking openings are connected to the inside of the weight-reducing openings.

Preferably, a side retaining ring is fixedly connected to one side of the load-bearing cylinder, a connecting port is penetrated through the middle of the side retaining ring, the connecting port is communicated with the inside of the hollow port, and the side retaining ring is arranged on one side close to the fitting ring.

Preferably, a plurality of reinforcing ribs are fixedly connected to one side of the substrate, and the plurality of reinforcing ribs are arranged in a circular array, and two adjacent semi-axis connecting surfaces are fixedly connected by the reinforcing ribs, and the load-bearing cylinder is fixedly connected to the reinforcing ribs, and a plurality of bevels are opened in the load-bearing cylinder, and the plurality of bevels correspond one-to-one to the positions of the semi-axis connecting surfaces.

Preferably, a plurality of shaft connecting grooves are provided on a side of the load-bearing cylinder close to the base plate, and the plurality of shaft connecting grooves are arranged at equal distances.

Compared with the prior art, the beneficial effects of the utility model are:

The utility model bears the load-bearing function through the combination of the suspension bearing and the bridge body, while the suspension plum blossom half-axle rotatably arranged inside the suspension bearing only transmits power but does not bear force, so that the rear axle of the electric tricycle and the electric four-wheel vehicle can operate more safely and stably, and the occurrence of axle breakage and wheel flying out caused by excessive force concentration in the later stage can be avoided, thereby improving the safety of the rear axle of the electric tricycle and the electric four-wheel vehicle.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a structural side view of the utility model;

FIG2 is a schematic diagram of the internal structure of the utility model;

FIG3 is a schematic diagram of the external structure of the utility model;

FIG4 is a schematic diagram of the overall structure of the utility model.

In the figure: 1. Brake disc body; 2. Fitting ring; 3. Weight reduction port; 4. Load-bearing cylinder; 5. Hollow port; 6. Bevel; 7. Docking port; 8. Base plate; 9. Half-shaft connecting surface; 10. Side retaining ring; 11. Thickened plate; 12. Rounded corner; 13. Bevel port; 14. Coupling groove; 15. Reinforcing rib.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Please refer to Figures 1 to 4, an embodiment of the present invention is provided:

A built-in two-bearing disc brake disc, comprising a brake disc body 1, the brake disc body 1 comprises a base plate 8 integrally formed therewith, a fitting ring 2 is fixedly connected to one side of the brake disc body 1, a load-bearing cylinder 4 for connecting to a bridge body is fixedly connected to the middle part of the base plate 8, one end of the load-bearing cylinder 4 is in close contact with the side of the base plate 8, and the other end of the load-bearing cylinder 4 extends to the inside of the brake disc body 1, and a hollow opening 5 for installing a suspension bearing is provided through the load-bearing cylinder 4, and a plurality of half-axle connecting surfaces 9 for connecting to a suspension plum blossom half-axle are provided in the brake disc body 1, and the plurality of half-axle connecting surfaces 9 are arranged in a circular array with the hollow opening 5 as a circle, and the suspension bearing and the bridge body are combined to bear the load-bearing function, and the suspension plum blossom half-axle rotatingly arranged therein only transmits without force, so that the rear axle of an electric tricycle and an electric four-wheeled vehicle can run more safely and stably, and the situation of axle breakage and wheel flying out caused by excessive force concentration in the later stage can be avoided, thereby improving the safety of the rear axle of an electric tricycle and an electric four-wheeled vehicle;

Please refer to FIG. 2 . In this embodiment, the brake disc body 1 further includes a plurality of thickened plates 11 integrally formed therewith. The plurality of thickened plates 11 are arranged in a circumferential array. One end of the thickened plate 11 is fixedly connected to the load-bearing cylinder 4, and the other end of the thickened plate 11 is fixedly connected to the base plate 8. The arrangement of the plurality of thickened plates 11 improves the overall structural strength of the brake disc body 1, and facilitates the use of the brake disc body 1.

It should be noted that the specific shape of the load-bearing cylinder 4 shown in Figures 1, 2, 3 and 4 is a hollow conical barrel, and the diameters of its two ends are different. The diameter close to the base plate 8 is larger, while the diameter close to the side of the fitting ring 2 is smaller. The edge of the load-bearing cylinder 4 close to the base plate 8 is provided with a rounded corner 12 to improve the overall aesthetics of the brake disc body 1.

Please refer to Figures 1 and 2. In this embodiment, a plurality of weight-reducing openings 3 are opened through the brake disc body 1. The plurality of weight-reducing openings 3 are equidistantly arranged. The weight-reducing openings 3 are arranged in the middle of the base plate 8 and the weight-reducing openings 3. A plurality of docking openings 7 are opened on one side of the fitting ring 2. The docking openings 7 are connected to the inside of the weight-reducing openings 3. By opening the weight-reducing openings 3, the material used in the brake disc body 1 is reduced, and the counterweight is reduced while ensuring normal use, thereby reducing the use cost of the brake disc body 1.

It should be noted that a side retaining ring 10 is fixedly connected to one side of the load-bearing cylinder 4, and a connecting port is opened through the middle of the side retaining ring 10, which is connected to the inside of the hollow port 5. The side retaining ring 10 is arranged on a side close to the fitting ring 2. The use of the side retaining ring 10 can fix the position of the suspension bearing assembled and used in the prior art, limit the movement of the suspension bearing, and facilitate the use of the suspension bearing. A bevel 6 is provided at the edge of the side retaining ring 10, and the setting of the bevel 6 improves the overall aesthetics of the brake disc body 1.

Please refer to Figures 1 and 2. In this embodiment, a plurality of reinforcing ribs 15 are fixedly connected to one side of the base plate 8. The plurality of reinforcing ribs 15 are arranged in a circular array. Two adjacent semi-axis connecting surfaces 9 are fixedly connected by the reinforcing ribs 15. The load-bearing cylinder 4 is fixedly connected to the reinforcing ribs 15. A plurality of bevels 13 are opened in the load-bearing cylinder 4. The plurality of bevels 13 correspond to the positions of the semi-axis connecting surfaces 9 one by one. The arrangement of the reinforcing ribs 15 improves the connection stability between the plurality of semi-axis connecting surfaces 9, thereby facilitating the use of the semi-axis connecting surfaces 9.

It should be noted that the half-shaft connection surface 9 shown in FIG. 1, FIG. 2, FIG. 3, and FIG. 4 is in a state where the nut blind hole is not opened. The opening of the threaded blind hole needs to be based on the actual size of the hub bolt actually used, and the conventional technical means of the prior art are used to open the threaded blind hole matching the size thereof. Here, the half-shaft connection surface 9 is a fixed area for opening the threaded blind hole, and the threaded blind hole needs to be opened by itself in actual use later;

A plurality of coupling grooves 14 are provided on one side of the load-bearing cylinder 4 close to the base plate 8, and the plurality of coupling grooves 14 are equidistantly arranged. The coupling grooves 14 are used to dock with the raised side faces of the suspended plum blossom half-shaft, so as to improve the connection stability between the brake disc body 1 and the suspended plum blossom half-shaft. During actual installation, according to the actual size of the wheel hub bolts actually used, conventional technical means of the prior art are used to open a threaded blind hole matching its size, and the suspended plum blossom half-shaft is inserted into the bridge tube through the inner ring of the suspended bearing, and the end of the bridge tube is fixedly connected to the inner ring of the inner ring of the suspended bearing by bending the pipe using the cold shrinkage process in the prior art.

A suspended strong support rear axle, comprising an embedded two-bearing disc brake disc and a supporting rear axle,

The supporting rear axle includes a bridge package, a bridge tube, a reinforcement tube, a suspended plum blossom half-axle, a brake assembly, a square plate, a plurality of wheel hub bolts and two suspended bearings. The reinforcement tube is fixedly connected to the outside of the bridge package, the bridge tube is sleeved on the outside of the suspended plum blossom half-axle, one end of the bridge tube is fixedly connected to the reinforcement tube, the other end of the bridge tube is fixedly connected to the square plate, the brake assembly is fixedly connected to the square tube, the coupling groove 14 is connected to one side of the suspended plum blossom half-axle, a plurality of wheel hub bolts are threadedly connected to the other side of the suspended plum blossom half-axle, a threaded blind hole matching the wheel hub bolt is provided in the half-axle connecting surface 9, the inner ring of the suspended bearing is fixedly connected to the bridge tube, the outer ring of the suspended bearing is fixedly connected to the hollow opening 5, the suspended plum blossom half-axle is rotatably connected to the bridge tube, and one side of the side retaining ring 10 is fitted with the suspended bearing;

The combination of the suspended bearing and the bridge body takes on the load-bearing function, while the suspended plum blossom half-axle 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, avoiding the occurrence of broken axles and wheels flying out caused by excessive force concentration in the later stage, and improving the safety of the rear axle of the electric tricycle and electric four-wheeler. It should be noted that the brake assembly has the same specific structural structure as the brake assembly used for electric tricycles and four-wheelers in the prior art, and will not be elaborated here. The interior of the bridge package is specifically a space for installing the drive structure of the electric tricycle and electric four-wheeler, one end of the suspended plum blossom half-axle is connected to the brake disc body 1, and the other end of the suspended plum blossom half-axle extends to the interior of the bridge package for connecting with the drive structure to realize the driving of the electric tricycle and electric four-wheeler.

The suspended bearing is the same as the bearing in the prior art, and both have an outer steel ring, an inner steel ring and a shaft ball. The shaft ball is arranged between the outer steel ring and the inner steel ring so that the outer steel ring and the inner steel ring can rotate relative to each other. It should be noted that lubricating oil needs to be added between the outer steel ring and the inner steel ring so that the shaft ball can move smoothly inside and facilitate the relative rotation between the outer steel ring and the inner steel ring.

The cold shrinkage process in the prior art is used to bend the pipe, and the diameter of the part where the bridge pipe is connected to the suspension bearing is reduced to a state where it can be connected to the inner ring of the suspension bearing. Then, the welding equipment in the prior art is used to weld and fix the connection between the bridge pipe and the inner steel ring of the suspension bearing. The specific operation of the cold shrinkage process bending the pipe is a conventional processing technology for tubular materials, which will not be described in detail here.

Working principle: During actual installation, according to the actual size of the wheel hub bolts actually used, conventional technical means of the prior art are used to open a threaded blind hole that matches its size, and the suspended plum blossom half-axle is passed through the inner steel ring of the suspended bearing and inserted into the bridge tube. The end of the bridge tube is fixedly connected to the inner steel ring of the suspended bearing by bending the tube using the cold shrinkage process in the prior art. The outer steel ring of the suspended bearing is fixedly connected to the load-bearing cylinder 4, and the load-bearing function is assumed through the combination of the suspended bearing and the bridge body, while the suspended plum blossom half-axle that is rotatably arranged inside it only transmits power but is not subjected to force, making the rear axle of electric tricycles and electric four-wheelers safer and more stable, avoiding the occurrence of broken axles and wheels flying out caused by excessively concentrated force in the later stage, and improving the safety of the rear axle of electric tricycles and electric four-wheelers.

It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims (6)

1. An embedded two-bearing disc brake disc, characterized in that it comprises a brake disc body (1), the brake disc body (1) comprises a base plate (8) integrally formed therewith, a fitting ring (2) is fixedly connected to one side of the brake disc body (1), a bearing cylinder (4) is fixedly connected to the middle of the base plate (8), one end of the bearing cylinder (4) is in close contact with the side of the base plate (8), and the other end of the bearing cylinder (4) extends into the inside of the brake disc body (1), a hollow opening (5) is penetrated through the bearing cylinder (4), and a plurality of semi-axial connecting surfaces (9) are provided in the brake disc body (1), and the plurality of semi-axial connecting surfaces (9) are arranged in a circular array with the hollow opening (5) as a circle. 2. An embedded two-bearing disc brake disc according to claim 1, characterized in that the brake disc body (1) also includes a plurality of thickened plates (11) integrally formed therewith, the plurality of thickened plates (11) are arranged in a circular array, one end of the thickened plate (11) is fixedly connected to the load-bearing cylinder (4), and the other end of the thickened plate (11) is fixedly connected to the base plate (8). 3. An embedded two-bearing disc brake disc according to claim 1, characterized in that a plurality of weight-reducing openings (3) are provided through the brake disc body (1), the plurality of weight-reducing openings (3) are arranged equidistantly, the weight-reducing openings (3) are arranged in the middle of the base plate (8) and the weight-reducing openings (3), a plurality of docking openings (7) are provided on one side of the fitting ring (2), and the docking openings (7) are connected to the inside of the weight-reducing openings (3). 4. An embedded two-bearing disc brake disc according to claim 1, characterized in that a side retaining ring (10) is fixedly connected to one side of the load-bearing cylinder (4), a connecting port is opened through the middle of the side retaining ring (10), the connecting port is connected to the inside of the hollow port (5), and the side retaining ring (10) is arranged on a side close to the fitting ring (2). 5. An embedded two-bearing disc brake disc according to claim 1, characterized in that a plurality of reinforcing ribs (15) are fixedly connected to one side of the base plate (8), the plurality of reinforcing ribs (15) are arranged in a circular array, two adjacent half-shaft connecting surfaces (9) are fixedly connected by the reinforcing ribs (15), the load-bearing cylinder (4) is fixedly connected to the reinforcing ribs (15), a plurality of oblique openings (13) are opened in the load-bearing cylinder (4), and the plurality of oblique openings (13) correspond one-to-one to the positions of the half-shaft connecting surfaces (9). 6. An embedded two-bearing disc brake disc according to claim 1, characterized in that a plurality of shaft connecting grooves (14) are provided on a side of the load-bearing cylinder (4) close to the base plate (8), and the plurality of shaft connecting grooves (14) are arranged at equal distances.