CN219257608U - Disc brake device of two-wheeled electric vehicle - Google Patents
Disc brake device of two-wheeled electric vehicle Download PDFInfo
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- CN219257608U CN219257608U CN202320223490.6U CN202320223490U CN219257608U CN 219257608 U CN219257608 U CN 219257608U CN 202320223490 U CN202320223490 U CN 202320223490U CN 219257608 U CN219257608 U CN 219257608U
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- brake pad
- caliper
- hub
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Abstract
The utility model relates to the technical field of electric vehicle braking, in particular to a disc brake device of a two-wheel electric vehicle, which comprises: a hub; the annular brake pad is provided with an outer edge and an inner edge, and the outer edge of the brake pad is arranged on one side of the hub; one end of the brake caliper is arranged at the lower end of the front or rear fork component, the other end of the brake caliper is a brake caliper surface, and the inner edge of the brake pad is positioned in the brake caliper surface; and one side and/or two sides of the brake pad are provided with a plurality of circles of grains, and the grains are positioned on the side surface close to the inner edge. According to the utility model, the brake device (brake caliper) brakes from the inside of the brake pad, so that when the installation space is lacking at the periphery of the brake pad, the installation space can be saved, the braking and the deceleration of the wheel can be realized more quickly, and the safety performance is improved.
Description
Technical Field
The utility model relates to the technical field of electric vehicle braking, in particular to a disc brake device of a two-wheel electric vehicle.
Background
With the popularization of electric vehicles, disc brake is adopted in a mode of braking and stopping more and more electric motorcycles (generally referred to as electric friction for short).
In the prior art, it is common practice to design the inner edge 12 of the disc-shaped brake pad 3 with mounting ears 13 as shown in fig. 1 and then fasten the disc-shaped brake pad to the wheel disc 15 (or rim) by fastening the disc-shaped brake pad to the wheel disc through the mounting ears 13. The brake caliper 5 is arranged at the bottom of the front or rear fork component 2, then the brake caliper surface 10 is positioned at the outer edge 11 of the disc-shaped brake pad 3, a hydraulic cylinder is used for applying pressure to two opposite brake friction plates of the brake caliper surface 10, and the rotating brake pad 3 is clamped by the brake friction plates, so that the wheel formed by the hub 1 and the tyre 4 is braked by virtue of the generated friction force.
However, the disadvantage of the prior art is that the brake component needs to be installed in a place with small rim space, for example, the wheel with the hub motor integrated into a whole, the structure is particularly compact, the rim space is often not enough, and no position for installing a brake caliper exists.
Disclosure of Invention
The utility model aims to provide a disc brake device of a two-wheeled electric vehicle, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a disc brake device for a two-wheeled electric vehicle, comprising:
a hub;
an annular brake pad having an outer edge and an inner edge, the outer edge of the brake pad being mounted to one side of the hub;
one end of the brake caliper is arranged at the lower end of the front or rear fork component, the other end of the brake caliper is a brake caliper surface, and the inner edge of the brake pad is positioned in the brake caliper surface;
and one side and/or two sides of the brake pad are provided with a plurality of circles of grains, and the grains are positioned on the side surface close to the inner edge.
Further, the outer end surface of the brake caliper does not exceed the outer edge of the brake pad.
Further, the outer end face of the brake caliper face is located at a position exceeding half of the width of the outer edge and the inner edge of the brake pad.
Further, the outer edge of the brake pad is provided with a mounting lug part with a screw hole, and the brake pad is mounted on one side of the hub through the cooperation of a fastener and the mounting lug part.
Further, the outer edge of the brake pad is provided with a mounting lug part with a screw hole, the mounting lug part is connected with one end of the fixing part through a fastener, and the other end of the fixing part is used for mounting the brake pad on one side of the hub through the fastener.
Furthermore, the lines are uniformly spaced, and a concave-convex structure is formed on the surface of the brake pad.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the outer edge braking of the disc-shaped brake pad of the existing brake caliper is changed into the inner edge braking of the annular brake pad of the brake caliper, namely, the brake device (brake caliper) brakes from the inside of the brake pad, when the installation space is lacking at the periphery of the brake pad, the installation space can be saved, and the annular brake pad can be installed on one side of the wheel hub with the size specification being larger than the conventional size specification through the fixing part. The brake caliper does not rotate with the hub. The brake pad rotates with the hub. When the brake is applied, brake oil is input into the brake hydraulic cylinder of the brake caliper through the oil pipeline to push the brake piston, and the brake piston pushes the brake friction plate to clamp the two sides of the brake plate so as to generate huge friction force to slow down the speed of the vehicle. The line has been seted up at the side of brake block to form concave-convex structure at the surface of brake block, realization wheel braking that not only can be faster slows down, improves the security performance, and can make the braking process more stable, and can improve the thermal diffusivity when the brake caliper clamps the braking at the brake block through the line.
Drawings
FIG. 1 is a schematic illustration of a prior art brake caliper having a caliper face clamped against an outer edge of a brake pad.
FIG. 2 is a schematic diagram of the structure of the present utility model.
FIG. 3 is a schematic view of another embodiment of the present utility model.
FIG. 4 is a schematic illustration of a caliper face of a caliper of the present utility model being clamped against an inner edge of a brake pad.
Fig. 5 is a schematic view of a concave-convex structure formed by the present utility model.
In the figure: 1-wheel hub, 2-front or back fork parts, 3-brake block, 4-tyre, 5-brake caliper, 6-oil delivery pipe, 7-fastener, 8-grain, 9-fixed part, 10-brake caliper face, 11-outer edge, 12-inner edge, 13-mounting lug, 14-concave-convex structure, 15-spoke.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the terms "upper end," "lower end," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like indicate an azimuth or a positional relationship based on that shown in the drawings, merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "sleeved," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 2 to 5, the present utility model provides a technical solution:
a disc brake device for a two-wheeled electric vehicle, comprising:
a hub 1;
an annular brake pad 3 having an outer edge 11 and an inner edge 12, the outer edge 11 of the brake pad 3 being mounted to one side of the hub 1;
and one end of the brake caliper 5 is arranged at the lower end of the front or rear fork component 2, the other end is a brake caliper surface 10, and the inner edge 12 of the brake pad 3 is positioned in the brake caliper surface 10.
Specifically, the outer end surface of the brake caliper 5 does not exceed the outer edge 11 of the brake pad 3. The installation size of the brake caliper 5 can be reduced while facilitating installation in the rim space of the wheel.
Specifically, the outer end surface of the caliper surface 10 is located at a position exceeding half the annular width of the outer edge 11 and the inner edge 12 of the brake pad 3. Preferably, the outer end of the caliper face 10 is flush with the end face of the outer edge 11, i.e. the width of the caliper face 10 corresponds to the annular width of the brake pad 3. The caliper face 10 can be made to have a sufficient area and a reliable braking effect.
When the brake is used, hydraulic oil is input to the hydraulic cylinder through the oil pipeline 6, so that the piston drives the two brake friction plates to be mutually close to each other for clamping, and braking friction force is generated for clamping the rotating brake plate 3. While the brake pad 3 is mounted to one side of the hub 1. Specifically, the outer edge 11 of the brake pad 3 has a mounting ear 13 with a screw hole, and the brake pad 3 is mounted on one side of the hub 1 by engaging the mounting ear 13 with the fastener 7. As shown in FIG. 2, this is a relatively common practice for two-wheeled electric vehicle tire sizes, such as 10 inch vacuum tires (2.75-10, 2.75 inches wide, 10 inches in diameter; 3.00-10, 3 inches wide, 10 inches in diameter, etc.). This is because such a tire is commonly used in the art and can be regarded as a standard component of the brake pad, so that the manufacture and use of the brake pad 3 are facilitated.
And when the tire size specification of the two-wheeled electric vehicle is unusual, such as a 12-inch vacuum tire (3.50-12) and a 14-inch vacuum tire (2.50-14,2.75-14) of a personal vehicle and a custom vehicle. As shown in fig. 3, such a tire has a large radius (inner diameter). If the size of the brake pad 3 is correspondingly large, the size of the brake pad 3 is large and is large, and not only is the matched mold additionally developed to manufacture the brake pad 3, the production cost of enterprises is increased, but also standard components cannot be matched. In view of this, in the present embodiment, the fixing portion 9 is added to fix the brake pad 3 of the normal-sized tire to the hub 1 of the unusual-sized tire.
Specifically, the outer edge 11 of the brake pad 3 is provided with a mounting lug 13 with a screw hole, the mounting lug 13 is connected with one end of the fixing portion 9 through the fastening piece 7, and the other end of the fixing portion 9 is used for mounting the brake pad 3 on one side of the hub 1 through the fastening piece 7. The fixing part 9 is provided with one end at the mounting lug 13 at the outer edge 11 of the brake pad 3 and the other end at one side wall of the hub 1, so that even the brake pad 3 of a common specification tire such as a 10 inch vacuum tire can be mounted on the hub 1 of an unusual specification tire such as a 12 inch vacuum tire, a 14 inch vacuum tire and the like.
In this embodiment, the fastener 7 is a bolt, such as a flat head bolt. The fixing portion 9 is a sheet-like or rod-like fixing member or a connecting member. The brake pads 3 are mounted on one side of the hub 1 of the wheel rather than on the spokes 15 or rim as in the prior art.
As shown in fig. 4 and 5, one and/or both sides of the brake plate 3 have a plurality of windings 8, the windings 8 being located on the side near the inner edge 12. Specifically, the lines 8 are uniformly spaced, and a concave-convex structure 14 is formed on the surface of the brake pad 3.
In this embodiment, the side surface of the brake pad 3 is provided with the grain 8, and the concave-convex (undulating) structure 14 is formed on the surface of the brake pad 3. The uniform relief 14 provides greater braking friction when the hydraulic cylinder is driving the caliper face 10 of the caliper 5. Compared with the brake pad 3 with smooth side surfaces, under the condition that the driving force of the hydraulic cylinder to the brake caliper 5 is consistent, the brake of the wheel can be realized faster, the safety performance is improved, the brake braking process is more stable, and the heat dissipation property when the brake caliper surface 10 clamps and brakes the brake pad 3 can be improved through the lines 8.
According to the utility model, the existing braking of the brake caliper 5 on the outer edge 11 of the disc-shaped brake pad 3 is changed into the braking of the brake caliper 5 on the inner edge 12 of the annular brake pad 3, namely, the braking device (the brake caliper 5) brakes from the inside of the brake pad, so that when the installation space is lacking on the periphery of the brake pad 3, the installation space can be saved, and the brake caliper is suitable for wheels with smaller wheel rim space. The brake caliper 5 does not rotate with the hub 1. The brake pad 3 rotates with the hub 1. When braking, the brake oil is input into the brake hydraulic cylinder of the brake caliper 5 through the oil pipeline 6 to push the brake piston, and the brake piston pushes the brake friction plate to clamp the two sides of the brake pad 3 so as to generate huge friction force to slow down the speed. The grain 8 has been seted up at the side of brake block 3 to form concave-convex structure 14 on the surface of brake block 3, not only can be faster realize the wheel braking and stop, improve the security performance, and can make the brake braking process more stable, and can improve the thermal diffusivity when brake caliper face 10 presss from both sides tight braking to brake block 3 through grain 8.
The remainder of the description of the utility model is not prior art.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A disc brake device for a two-wheeled electric vehicle, comprising:
a hub (1);
an annular brake pad (3) having an outer edge (11) and an inner edge (12), the outer edge (11) of the brake pad (3) being mounted to one side of the hub (1);
one end of the brake caliper (5) is arranged at the lower end of the front or rear fork component (2), the other end of the brake caliper is a brake caliper surface (10), and the inner edge (12) of the brake pad (3) is positioned in the brake caliper surface (10);
the brake pad (3) is provided with a plurality of circles of grains (8) on one side and/or two sides, and the grains (8) are positioned on the side face close to the inner edge (12).
2. Disc brake device according to claim 1, characterized in that the outer end surface of the brake caliper (5) does not exceed the outer edge (11) of the brake pad (3).
3. Disc brake device according to claim 2, characterized in that the outer end surface of the caliper surface (10) is located beyond half the annular width of the outer edge (11) and the inner edge (12) of the brake pad (3).
4. Disc brake device according to claim 1, characterized in that the outer edge (11) of the brake pad (3) has a mounting lug (13) with a screw hole and that the brake pad (3) is mounted on one side of the hub (1) by means of a fastener (7) cooperating with the mounting lug (13).
5. Disc brake device according to claim 1, characterized in that the outer edge (11) of the brake pad (3) has a mounting lug (13) with a screw hole, the mounting lug (13) being connected to one end of the fixing part (9) by means of a fastener (7), the other end of the fixing part (9) mounting the brake pad (3) to one side of the hub (1) by means of the fastener (7).
6. Disc brake device according to claim 1, characterized in that the said grains (8) are uniformly spaced, and that the surface of the brake pad (3) is provided with a relief structure (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320223490.6U CN219257608U (en) | 2023-02-15 | 2023-02-15 | Disc brake device of two-wheeled electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320223490.6U CN219257608U (en) | 2023-02-15 | 2023-02-15 | Disc brake device of two-wheeled electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219257608U true CN219257608U (en) | 2023-06-27 |
Family
ID=86864598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320223490.6U Active CN219257608U (en) | 2023-02-15 | 2023-02-15 | Disc brake device of two-wheeled electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219257608U (en) |
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2023
- 2023-02-15 CN CN202320223490.6U patent/CN219257608U/en active Active
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