Shock absorber bottom foot of two-wheeled electric vehicle

Abstract

The utility model provides a shock absorber footing of a two-wheeled electric vehicle, and belongs to the technical field of electric vehicles. The problem that an existing bottom foot cannot be matched with a large-size rotating shaft is solved. The shock absorber footing of the two-wheeled electric vehicle comprises a body, a connecting sleeve is arranged at the upper end of the body, a tubular supporting part is arranged at the lower end of the body, an inner hole of the supporting part is a shaft hole, and the hole diameter of the shaft hole is 18-21 mm; the lower side of the shaft hole is opened, the supporting part extends downwards at the opening position to form connecting blocks, and the two connecting blocks are arranged side by side in the width direction of the opening in a spaced mode; a through hole is formed in one connecting block in a penetrating mode, a threaded hole is correspondingly formed in the other connecting block, a bolt is arranged in the through hole, and the rod portion of the bolt is screwed into the threaded hole. The shock absorber footing of the two-wheeled electric vehicle can be matched with a rotating shaft with a larger size.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric vehicles, and relates to a two-wheeled electric vehicle, in particular to a bottom foot of a shock absorber of a two-wheeled electric vehicle. Background Art

[0002] The braking and shock absorption systems of electric vehicles together constitute the safety and comfort guarantee system of the vehicle, which is used to ensure that the electric vehicle can decelerate or stop safely and quickly during driving.

[0003] An existing braking and shock absorption system, such as a large-sized braking structure (application number: 202220087763.4) disclosed in the Chinese patent database, includes a motorcycle shock absorber. The side end of the motorcycle shock absorber is installed with a caliper adapter code through screws, the side end of the caliper adapter code is installed with an original vehicle caliper through screws, and the inner side of the original vehicle caliper contacts a large-sized brake disc.

[0004] In the above braking structure, a shaft hole for supporting the vehicle shaft is provided at the bottom of the shock absorber, and the shaft hole is a complete circle. In actual processing, the diameter of the shaft hole can only be controlled at about 12 mm, and it cannot adapt to a larger-sized wheel shaft. Summary of the Utility Model

[0005] The purpose of the utility model is to solve the above problems existing in the prior art, and propose a bottom foot of a shock absorber for a two-wheeled electric vehicle that can adapt to a larger-sized wheel shaft.

[0006] The purpose of the utility model can be achieved by the following technical solutions: The bottom foot of the shock absorber of the two-wheeled electric vehicle includes a body. The upper end of the body is a connecting sleeve, the lower end of the body is a tubular supporting part, and the inner hole of the supporting part is a shaft hole. The diameter of the shaft hole is 18 mm to 21 mm; the lower side of the shaft hole is open, and the supporting part extends downward at the opening position to form a connecting block. There are two connecting blocks, which are arranged side by side at intervals along the width direction of the opening; a through hole is provided through one of the connecting blocks, a threaded hole is provided correspondingly on the other connecting block, a bolt is provided in the through hole, and the rod part of the bolt is screwed into the threaded hole.

[0007] During installation, the wheel shaft of the electric vehicle is inserted into the shaft hole, and then the bolt is tightened to make the shaft hole shrink and hold the wheel shaft to ensure the stable rotation of the wheel shaft.

[0008] With the cooperation of the notch, the through hole and the threaded hole in this application, on the premise of realizing stable support for the wheel shaft, the processing difficulty of a larger-sized shaft hole can be reduced to better adapt to a larger-sized wheel shaft.

[0009] In the above-mentioned bottom feet of the shock absorber of the two-wheel electric vehicle, the above-mentioned connecting block is strip-shaped and its length extends along the axial direction of the shaft hole. There are two through holes which are distributed along the axial direction of the shaft hole. The numbers of the bolts, the through holes and the threaded holes are the same and their positions correspond to each other one by one. With the above design, better support can be provided for the wheel shaft to ensure more stable operation of the wheel shaft.

[0010] In the above-mentioned bottom feet of the shock absorber of the two-wheel electric vehicle, rib strips are formed on the outer side wall of the body. The length of the rib strips extends along the axial direction of the connecting sleeve, and both ends of the rib strips extend to the outer side surface of the connecting sleeve and the outer side surface of the supporting part respectively. The design of the rib strips can strengthen the strength of the whole body and the supporting part at the same time to support the wheel shaft more stably.

[0011] In the above-mentioned bottom feet of the shock absorber of the two-wheel electric vehicle, the rib strips are generally trapezoidal in structure.

[0012] In the above-mentioned bottom feet of the shock absorber of the two-wheel electric vehicle, mounting holes are penetrated through the upper ends of the rib strips, and the axes of the mounting holes and the shaft holes are arranged in parallel. In the actual product, the mounting holes are used for caliper installation.

[0013] In the above-mentioned bottom feet of the shock absorber of the two-wheel electric vehicle, the aperture of the shaft hole is 20mm.

[0014] In the above-mentioned bottom feet of the shock absorber of the two-wheel electric vehicle, convex arc strips are provided on the outer side wall of the connecting sleeve, and the arc strips and the connecting sleeve are coaxially arranged. There are multiple arc strips which are distributed along the axial direction of the connecting sleeve. The setting of the arc strips can further strengthen the strength of the connecting sleeve and make the installation of the bottom feet more stable.

[0015] In the above-mentioned bottom feet of the shock absorber of the two-wheel electric vehicle, the ratio of the arc length of the arc strip to the circumference of the whole circle where it is located is greater than 2 / 3.

[0016] In the above-mentioned bottom feet of the shock absorber of the two-wheel electric vehicle, the body is a casting integral part.

[0017] Compared with the prior art, the bottom feet of the shock absorber of the two-wheel electric vehicle have the following advantages:

[0018] 1. With the cooperation of the notch, the through holes and the threaded holes in this application, on the premise of realizing stable support for the wheel shaft, the processing difficulty of a larger-size shaft hole can be reduced to better adapt to a larger-size wheel shaft.

[0019] 2. The design of the rib strips can strengthen the strength of the whole body and the supporting part at the same time to support the wheel shaft more stably. Description of the Drawings

[0020] Figure 1 is a three-dimensional schematic diagram of the bottom feet of the shock absorber of the two-wheel electric vehicle.

[0021] Figure 2 is a sectional schematic diagram of the bottom feet of the shock absorber of the two-wheel electric vehicle.

[0022] Figure 3 It is a three-dimensional schematic diagram of the main body.

[0023] In the figure, 1 is the main body; 1a is the rib; 2 is the connecting sleeve; 2a is the arc bar; 3 is the supporting part; 3a is the shaft hole; 3b is the opening; 4 is the connecting block; 4a is the through hole; 4b is the threaded hole; 5 is the bolt. Specific implementation manner

[0024] The following are specific embodiments of the present invention and in combination with the attached drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0025] As Figure 1 shown, the bottom foot of the shock absorber of this two-wheel electric vehicle includes a main body 1. The upper end of the main body 1 is a connecting sleeve 2, and the lower end of the main body 1 is a tubular supporting part 3. The axes of the supporting part 3 and the connecting sleeve 2 are perpendicular to each other, and the inner hole of the supporting part 3 is a shaft hole 3a. During actual installation, the shaft hole 3a is used to support the electric vehicle wheel shaft.

[0026] Specifically,

[0027] the aperture of the shaft hole 3a is 18 mm to 21 mm, and preferably the aperture of the shaft hole 3a is 20 mm. As Figures 1 to 3 shown, there is an opening 3b on the lower side of the shaft hole 3a, and the length of the opening 3b extends along the axial direction of the shaft hole 3a. The supporting part 3 extends downward at the position of the opening 3b to form a connecting block 4. There are two connecting blocks 4 and they are arranged side by side at intervals along the width direction of the opening 3b. A through hole 4a is provided through one of the connecting blocks 4, and a threaded hole 4b is correspondingly provided on the other connecting block 4. A bolt 5 is provided in the through hole 4a, and the rod part of the bolt 5 is screwed into the threaded hole 4b. In an actual product, the main body 1 is a casting integral part; the type of the through hole 4a is a stepped hole to at least hide part of the head of the bolt 5 and reduce the probability of it being collided by an external force.

[0028] During installation, the electric vehicle wheel shaft is inserted into the shaft hole 3a, and then the bolt 5 is tightened to make the shaft hole 3a contract and hold the wheel shaft to ensure the stable rotation of the wheel shaft.

[0029] With the cooperation of the notch, the through hole 4a and the threaded hole 4b in this application, on the premise of realizing stable support for the wheel shaft, the processing difficulty of a larger-size shaft hole 3a can be reduced to better adapt to a larger-size wheel shaft.

[0030] Further explanation, the connecting block 4 is strip-shaped and its length extends along the axial direction of the shaft hole 3a. There are two through holes 4a and they are distributed along the axial direction of the shaft hole 3a. The numbers of the bolt 5, the through hole 4a and the threaded hole 4b are the same and their positions correspond one by one. With the above design, better support can be provided for the wheel shaft to ensure more stable operation of the wheel shaft.

[0031] As Figure 1As shown, rib 1a is formed on the outer wall of the main body 1. The length of the rib 1a extends along the axial direction of the connecting sleeve 2, and both ends of the rib 1a extend to the outer surface of the connecting sleeve 2 and the outer surface of the support portion 3 respectively. The design of the rib 1a can strengthen the strength of both the main body 1 as a whole and the support portion 3 at the same time to more stably support the wheel axle. Preferably, the rib 1a is generally in a trapezoidal structure. Further explanation, there is an installation hole penetrating through the upper end of the rib 1a, and the axes of the installation hole and the shaft hole 3a are arranged in parallel. During installation, the installation hole is used for caliper installation.

[0032] In actual products, such as Figure 3 As shown, there is a protruding circular arc strip 2a on the outer wall of the connecting sleeve 2, and the circular arc strip 2a is coaxially arranged with the connecting sleeve 2. There are multiple circular arc strips 2a and they are distributed along the axial direction of the connecting sleeve 2. The setting of the circular arc strip 2a can further strengthen the strength of the connecting sleeve 2 and make the foot installation more stable. Preferably, the ratio of the arc length of the circular arc strip 2a to the circumference of the whole circle it is located in is greater than 2 / 3.

[0033] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art to which the present invention pertains can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, but will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. The bottom foot of a shock absorber for a two-wheeled electric vehicle, comprising a body (1), with a connecting sleeve (2) at the upper end of the body (1), and a tubular support portion (3) at the lower end of the body (1), and the inner hole of the support portion (3) is a shaft hole (3a), characterized in that, The aperture diameter of the shaft hole (3a) is 18 mm to 21 mm; there is an opening (3b) on the lower side of the shaft hole (3a), and the support part (3) extends downward at the position of the opening (3b) to form a connecting block (4). There are two connecting blocks (4) which are arranged side by side at intervals along the width direction of the opening (3b); a through hole (4a) is provided through one of the connecting blocks (4), and a threaded hole (4b) is correspondingly provided on the other connecting block (4). A bolt (5) is arranged in the through hole (4a), and the rod part of the bolt (5) is screwed into the threaded hole (4b).

2. The bottom foot of the shock absorber of the two-wheel electric vehicle according to claim 1, characterized in that The above-mentioned connecting block (4) is strip-shaped and its length extends along the axial direction of the shaft hole (3a). There are two through holes (4a) which are distributed along the axial direction of the shaft hole (3a). The numbers of the bolt (5), the through hole (4a) and the threaded hole (4b) are the same and their positions correspond one by one.

3. The bottom foot of the shock absorber of the two-wheeled electric vehicle according to claim 1 or 2, characterized in that Ribs (1a) are formed on the outer side wall of the body (1). The length of the ribs (1a) extends along the axial direction of the connecting sleeve (2), and both ends of the ribs (1a) extend to the outer side surface of the connecting sleeve (2) and the outer side surface of the support part (3) respectively.

4. The bottom foot of the shock absorber of the two-wheeled electric vehicle according to claim 3, characterized in that, The rib (1a) is generally trapezoidal in structure.

5. The bottom foot of the shock absorber of the two-wheeled electric vehicle according to claim 4, characterized in that, An installation hole penetrates through the upper end of the rib (1a), and the axes of the installation hole and the shaft hole (3a) are arranged in parallel.

6. The bottom foot of the shock absorber of the two-wheeled electric vehicle according to claim 1, characterized in that, The aperture diameter of the shaft hole (3a) is 20 mm.

7. The bottom foot of the shock absorber of the two-wheeled electric vehicle according to claim 1, characterized in that There are protruding arc-shaped strips (2a) on the outer side wall of the connecting sleeve (2), and the arc-shaped strips (2a) are coaxially arranged with the connecting sleeve (2). There are multiple arc-shaped strips (2a) which are distributed along the axial direction of the connecting sleeve (2).

8. The bottom foot of the shock absorber of the two-wheel electric vehicle according to claim 7, characterized in that, The ratio of the arc length of the arc-shaped strip (2a) to the circumference of the whole circle it is in is greater than 2 / 3.

9. The bottom foot of the shock absorber of the two-wheeled electric vehicle according to claim 1, characterized in that, The body (1) is an integrally cast part.

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