Suspension of scooter hub motor

Abstract

The utility model discloses a scooter wheel hub motor suspension in the technical field of scooter suspensions, which comprises a scooter, one end of the outer wall of the scooter is provided with a mounting groove, a trifurcate arm is rotatably mounted in the mounting groove, one end of the trifurcate arm far away from the scooter is rotatably provided with a wheel hub motor, and the other end of the trifurcate arm far away from the scooter is rotatably provided with a wheel hub motor. Through the arrangement of the buffer mechanism, the rotating block is screwed by using tools such as an external wrench and the like, so that the rotating block drives the threaded sleeve to rotate, the threaded shaft moves along the inner wall of the threaded sleeve when the threaded sleeve rotates, and under the action that the first connecting block is rotationally connected with the trifurcate arm and the second connecting block is rotationally connected with the scooter, the rotating block rotates. And the threaded sleeve drives the piston block to move along the inner wall of the sleeve, so that the deformation shrinkage degree of the buffer spring in the initial state is adjusted, and the degree of the buffer damping effect can be rapidly adjusted according to the use preferences of different users.

Description

Technical Field

[0001] The utility model relates to the technical field of scooter suspensions, in particular to a suspension of a scooter hub motor. Background Art

[0002] Electric scooters are based on traditional human-powered skateboards, but are equipped with an electric powertrain. They are generally available in two-wheel drive or single-wheel drive configurations. The most common transmission methods are hub motors (HUBs) and belt drives, and their primary power source is a lithium battery pack.

[0003] Electric scooters with hub motors usually have the hub motors installed on a suspension with a shock-absorbing and buffering structure. The existing hub motor suspension usually uses a spring shock-absorbing structure to buffer and absorb shock for the scooter. Different users have different requirements for the shock-absorbing and buffering effect of the suspension shock-absorbing structure. In order to meet the needs of different users, the degree of the shock-absorbing and buffering effect needs to be adjusted.

[0004] Based on this, the utility model designs a suspension of a scooter hub motor to solve the above problems. Utility Model Content

[0005] The purpose of the present utility model is to provide a suspension for a wheel hub motor of a skateboard, so as to solve the problem of adjusting the degree of buffering and shock absorption effect proposed in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions: a suspension for a scooter hub motor, comprising a scooter, wherein an outer wall of the scooter is provided with a mounting groove at one end, a three-prong arm is rotatably mounted in the mounting groove, a hub motor is rotatably mounted in the inner end of the three-prong arm away from the scooter, a tire is sleeved on the outer wall of the hub motor, a fender is further mounted above the hub motor, the fender is fixedly connected to the three-prong arm via a bracket, a buffer mechanism is provided on the outer wall of the scooter near one end of the three-prong arm, and the buffer mechanism is located on both sides of the outer wall of the three-prong arm;

[0007] The buffer mechanism includes a sleeve rotatably mounted on one end of the outer wall of the scooter, a piston block is slidably mounted inside the sleeve, a threaded sleeve is fixedly mounted on one end of the piston block, a threaded shaft is rotatably mounted inside the threaded sleeve, a first connecting block is fixedly mounted on one end of the threaded shaft, a buffer spring is mounted inside the sleeve at the end of the piston block away from the threaded sleeve, and a second connecting block is fixedly mounted on one end of the sleeve.

[0008] Preferably, a first rotation groove is opened at one end of the tripod arm, a first support shaft is installed inside the first rotation groove, the first support shaft is fixedly connected to the scooter by bolts, and a bearing is sleeved on the outer wall of the first support shaft inside the first rotation groove.

[0009] Preferably, an outer wall of the scooter is fixedly connected to the top end of one end close to the mounting groove with an inclined protrusion, an outer wall of the inclined protrusion is fixedly mounted with a rotating seat, and the second connecting block is rotatably connected to the rotating seat through a first rotating shaft and a bearing.

[0010] Preferably, second support shafts are fixedly welded to both sides of the outer wall of the tripod arm, the first connecting block and the second support shaft are rotatably connected via bearings, and the threaded shaft and the first connecting block are fixedly connected via a welding process.

[0011] Preferably, a spring groove is provided inside the sleeve, the inner wall of the spring groove matches the outer wall of the piston block, a fixed block is fixedly installed at one end of the inner part of the spring groove by a welding process, and a movable groove is provided inside the fixed block to match the outer wall of the threaded sleeve.

[0012] Preferably, a through groove is provided inside the piston block, and the inner diameter of the through groove is larger than the outer diameter of the driving threaded shaft.

[0013] Preferably, the outer wall of the threaded shaft matches the inner wall of the threaded sleeve, and a rotating block is fixedly mounted on one end of the outer wall of the threaded sleeve away from the piston block, and the rotating block has a polygonal structure.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention provides a buffer mechanism, which enables the use of an external wrench or other tool to twist the rotating block, so that the rotating block drives the threaded sleeve to rotate, and when the threaded sleeve rotates, the threaded shaft moves along the inner wall of the threaded sleeve. Under the action of the rotational connection between the first connecting block and the tripod arm and the rotational connection between the second connecting block and the scooter, the threaded sleeve drives the piston block to move along the inner wall of the sleeve, so that the deformation and contraction degree of the buffer spring in the initial state can be adjusted, thereby realizing the rapid adjustment of the degree of buffering and shock absorption effect according to the usage preferences of different users. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1It is a structural diagram of the utility model;

[0017] Figure 2 For the utility model Figure 1 Enlarged view of point A in the middle;

[0018] Figure 3 This is a schematic cross-sectional view of the structure of the sleeve, threaded sleeve and piston block of the utility model;

[0019] Figure 4 This is a schematic diagram of the connection structure between the tripod arm and the hub motor of the utility model.

[0020] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0021] 1-scooter, 2-mounting slot, 3-trident arm, 4-hub motor, 5-buffer mechanism, 501-sleeve, 502-piston block, 503-threaded sleeve, 504-threaded shaft, 505-first connecting block, 506-second connecting block, 507-buffer spring, 6-spring slot, 7-fixed block, 8-rotating block, 9-rotating seat, 10-through slot. DETAILED DESCRIPTION

[0022] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-Figure 4 The utility model provides a suspension technology solution for a scooter hub motor: a suspension for a scooter hub motor, comprising: a scooter 1, an outer wall of the scooter 1 having a mounting groove 2 formed at one end, a trident arm 3 being rotatably mounted inside the mounting groove 2, a hub motor 4 being rotatably mounted inside the trident arm 3 at one end away from the scooter 1, a tire being sleeved on the outer wall of the hub motor 4, a fender being further mounted above the hub motor 4, the fender being fixedly connected to the trident arm 3 via a bracket, a buffer mechanism 5 being provided on one end of the outer wall of the scooter 1 close to the trident arm 3, the buffer mechanism 5 being located on both sides of the outer wall of the trident arm 3;

[0024] The buffer mechanism 5 includes a sleeve 501 rotatably mounted on one end of the outer wall of the scooter 1, a piston block 502 is slidably mounted inside the sleeve 501, a threaded sleeve 503 is fixedly mounted on one end of the piston block 502, a threaded shaft 504 is rotatably mounted inside the threaded sleeve 503, and a first connecting block 505 is fixedly mounted on one end of the threaded shaft 504. A buffer spring 507 is mounted on the end of the sleeve 501 located away from the threaded sleeve 503 and a second connecting block 506 is fixedly mounted on one end of the sleeve 501. By using an external tool to screw the threaded sleeve 503, the threaded shaft 504 moves along the inner wall of the threaded sleeve 503 when the threaded sleeve 503 rotates, so that the threaded sleeve 503 drives the piston block 502 to move along the inner wall of the sleeve 501, so that the deformation and contraction degree of the buffer spring 507 in the initial state can be adjusted.

[0025] Among them, a first rotation groove is opened at one end of the tripod arm 3, and a first support shaft is installed inside the first rotation groove. The first support shaft is fixedly connected to the scooter 1 by bolts. A bearing is sleeved on the outer wall of the first support shaft inside the first rotation groove. The tripod arm 3 is limited and rotated and installed in the installation groove 2 through the bolts, the first rotation groove and the first support shaft.

[0026] Among them, an inclined protrusion is fixedly connected to the top of one end of the outer wall of the scooter 1 near the mounting groove 2, and a rotating seat 9 is fixedly installed on the outer wall of the inclined protrusion. The second connecting block 506 is rotatably connected to the rotating seat 9 through a first rotating shaft and a bearing. By setting the rotating seat 9, the second connecting block 506 is rotatably connected to the scooter 1 through the first rotating shaft and the bearing.

[0027] Among them, second support shafts are fixedly welded to both sides of the outer wall of the trident arm 3. The first connecting block 505 is rotatably connected to the second support shaft via a bearing, and the threaded shaft 504 is fixedly connected to the first connecting block 505 via a welding process. By providing the second support shaft, the first connecting block 505 is rotatably connected to the outer wall of the trident arm 3 via a bearing.

[0028] Among them, a spring groove 6 is opened inside the sleeve 501, and the inner wall of the spring groove 6 matches the outer wall of the piston block 502. A fixed block 7 is fixedly installed at one end of the inner part of the spring groove 6 through a welding process. A movable groove matching the outer wall of the threaded sleeve 503 is opened inside the fixed block 7. The piston block 502 is limitedly moved along the inner wall of the spring groove 6, so that the buffer spring 507 is forced to contract to achieve the effect of buffering and shock absorption.

[0029] Among them, a through groove 10 is opened inside the piston block 502, and the inner diameter of the through groove 10 is larger than the outer diameter of the driving threaded shaft 504. By setting the through groove 10, the threaded shaft 504 can move along the inner wall of the threaded sleeve 503 and penetrate the piston block 502 for adjustment.

[0030] Among them, the outer wall of the threaded shaft 504 matches the inner wall of the threaded sleeve 503, and a rotating block 8 is fixedly installed on the end of the outer wall of the threaded sleeve 503 away from the piston block 502. The rotating block 8 has a polygonal structure. By setting the rotating block 8, it is convenient to screw the rotating block 8 with an external wrench or other tool, so that the rotating block 8 drives the threaded sleeve 503 to rotate.

[0031] Working principle: By using an external wrench or other tool to twist the rotating block 8, the rotating block 8 drives the threaded sleeve 503 to rotate. When the threaded sleeve 503 rotates, the threaded shaft 504 moves along the inner wall of the threaded sleeve 503. Under the action of the first connecting block 505 and the three-pronged arm 3 rotational connection and the second connecting block 506 and the scooter 1 rotational connection, the threaded sleeve 503 drives the piston block 502 to move along the inner wall of the sleeve 501, so that the deformation and contraction degree of the buffer spring 507 in the initial state can be adjusted, so that the degree of buffering and shock absorption effect can be quickly adjusted according to the usage preferences of different users.

[0032] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0033] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A suspension for a scooter hub motor, comprising a scooter (1), characterized in that: An installation groove (2) is provided at one end of the outer wall of the scooter (1), a three-pronged arm (3) is rotatably mounted inside the installation groove (2), a hub motor (4) is rotatably mounted at one end of the three-pronged arm (3) away from the scooter (1), and a buffer mechanism (5) is provided at one end of the outer wall of the scooter (1) close to the three-pronged arm (3), and the buffer mechanism (5) is located on both sides of the outer wall of the three-pronged arm (3); The buffer mechanism (5) comprises a sleeve (501) rotatably mounted on one end of the outer wall of the scooter (1); a piston block (502) is mounted inside the sleeve (501); a threaded sleeve (503) is mounted on one end of the piston block (502); a threaded shaft (504) is mounted inside the threaded sleeve (503); a first connecting block (505) is mounted on one end of the threaded shaft (504); a buffer spring (507) is mounted inside the sleeve (501); and a second connecting block (506) is fixedly mounted on one end of the sleeve (501).

2. The suspension of a scooter hub motor according to claim 1, characterized in that: A first rotation groove is formed at one end of the tripod arm (3), and a first support shaft is installed inside the first rotation groove.

3. The suspension of a scooter hub motor according to claim 1, characterized in that: The outer wall of the scooter (1) is fixedly connected with an inclined surface protrusion, the outer wall of the inclined surface protrusion is installed with a rotating seat (9), and the second connecting block (506) is rotatably connected to the rotating seat (9).

4. The suspension of a scooter hub motor according to claim 1, characterized in that: Second support shafts are welded to both sides of the outer wall of the tripod arm (3); the first connecting block (505) is rotatably connected to the second support shaft; and the threaded shaft (504) is fixedly connected to the first connecting block (505).

5. The suspension of a scooter hub motor according to claim 1, characterized in that: A spring groove (6) is provided inside the sleeve (501), a fixed block (7) is installed at one end inside the spring groove (6), and a movable groove is provided inside the fixed block (7).

6. The suspension of a scooter hub motor according to claim 1, characterized in that: A through groove (10) is provided inside the piston block (502).

7. The suspension of a scooter hub motor according to claim 1, characterized in that: The outer wall of the threaded shaft (504) matches the inner wall of the threaded sleeve (503), and a rotating block (8) is installed on the outer wall of the threaded sleeve (503).

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