Scooter with friction braking speed limiting function

Abstract

The utility model discloses a scooter with friction braking speed limit, which relates to the technical field of scooters and comprises a scooter body, a mounting groove is arranged at the tail of the scooter body, a rear wheel fixing shaft is rotatably connected to the inner wall of the mounting groove, a scooter rear wheel is fixedly mounted on the surface of the rear wheel fixing shaft, and the scooter rear wheel is fixedly mounted on the surface of the mounting groove. A brake assembly is arranged on the surface of the scooter body. The brake assembly is arranged at the position of the rear wheel at the tail of the scooter, so that the linkage plate and the linkage column are driven to move downwards while the arc-shaped brake plate is pressed by a foot to perform friction brake on the rear wheel of the scooter, and then the piston push block is driven to extrude oil in the oil box; and thus, first trapezoidal blocks on the two sides of the oil liquid box are pushed to move, two second trapezoidal blocks are driven to drive a limiting guide rod to move, then the limiting guide rod is used for driving a brake block to clamp and limit a rubber round block at the end of a rear wheel fixing shaft, and therefore the speed of the rear wheel fixing shaft is limited.

Description

Technical Field

[0001] The utility model relates to the technical field of scooters, in particular to a scooter with friction braking speed limit. Background Art

[0002] Children's scooters are children's toys and are children's vehicles. Children who often ride scooters can exercise their body flexibility, improve their reaction speed, increase their exercise volume, and strengthen their body resistance. There are two main types of children's scooters in China: two-wheeled and three-wheeled children's scooters.

[0003] The patent document with publication number CN220181022U discloses a scooter braking structure, and the utility model includes a standing board, an adjusting rod is connected to the front end of the standing board, a front wheel is rotatably provided at the bottom of the adjusting rod, a placement groove is opened at the rear end of the standing board, a rotating rod is rotatably provided in the placement groove, and a rear wheel is fixedly provided at one end of the rotating rod located in the placement groove; in the utility model, the movable board can be driven to move toward the rotating shaft by the driving assembly, so that friction occurs when the first friction wheel contacts the second friction wheel, and when the second friction wheel is subjected to friction, it will first reduce the speed at which the rotating shaft drives the rotating rod to rotate.

[0004] The scooter braking structure proposed in the above patent document requires a drive motor to be installed on the surface of the scooter, and then the drive motor is used to drive the braking structure to brake the rear wheel of the scooter. This makes the braking structure too complicated, and the drive motor needs to be powered, which is inconvenient to use. At the same time, the scooter, like the scooters in the prior art, can only brake the rear wheel or the rear wheel axle separately, and cannot achieve dual braking, which affects the braking effect. Utility Model Content

[0005] The utility model discloses a scooter with friction brake speed limit. In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] A scooter with friction brake speed limit, comprising a scooter body, a mounting slot being defined at the rear of the scooter body, a rear wheel fixing shaft being rotatably connected to the inner wall of the mounting slot, a rear wheel of the scooter being fixedly mounted on a surface of the rear wheel fixing shaft, and a brake assembly being provided on a surface of the scooter body, the brake assembly being positioned corresponding to the rear wheel of the scooter;

[0007] The top end face of said sliding panel also is provided with an interlock plate, and the interlock plate is connected with a up-down knob. The two sliding panels have the interlock plate and the up-down knob. The two sliding panels have the interlock plate and the up-down knob.

[0008] In a preferred embodiment, an arc-shaped groove is provided on the surface of the brake block, both ends of the rear wheel fixed shaft extend into the interior of the limit groove and are fixedly connected with a rubber round block, the position of the rubber round block corresponds to the brake block, and the size of the arc-shaped groove matches the rubber round block.

[0009] In a preferred solution, a stop block is fixedly connected to the inner wall of the limit groove, a limit through hole matching the limit guide rod is opened on the surface of the stop block, the limit guide rod is slidably connected to the inner wall of the limit through hole, a return spring is sleeved on the surface of the limit guide rod, one end of the return spring is fixedly connected to the surface of the stop block, and the other end of the return spring is fixedly connected to the surface of the second trapezoidal block.

[0010] In a preferred solution, the position of the first trapezoidal block corresponds to that of the second trapezoidal block, and the inclined surfaces of the first trapezoidal block and the second trapezoidal block overlap each other.

[0011] In a preferred embodiment, a rubber brake pad is installed on the inner surface of the arc-shaped brake plate, a strip groove is opened on the surface of the rubber brake pad, and a strip plug is fixedly connected to the inner side of the arc-shaped brake plate, and the size of the strip groove matches the strip plug.

[0012] In a preferred embodiment, the arc-shaped brake plate is fixedly connected to a positioning block at one end away from the strip-shaped plug-in block, a bolt hole is provided on the surface of the positioning block, a positioning bolt is threadedly connected to the inner wall of the bolt hole, and the surface of the rubber brake pad is fixedly connected to a limiting block, and a threaded hole matching the positioning bolt is provided on the surface of the limiting block.

[0013] In a preferred solution, a liquid guide hole is provided on the surface of the partition, and the liquid guide hole is close to the bottom of the oil box.

[0014] In a preferred embodiment, two limit rods are fixedly connected to the upper surface of the scooter body, two sliding holes matching the limit rods are provided on the surface of the linkage plate, and the linkage plate is slidably connected to the surface of the limit rods through the sliding holes.

[0015] As can be seen from the above, the scooter with friction braking speed limit provided by the present invention has the following technical effects.

[0016] First, by arranging a brake assembly at the rear wheel position of the rear end of the scooter, you can press the arc-shaped brake plate with your foot to perform friction braking on the rear wheel of the skateboard, while driving the linkage plate and the linkage column to move downward, thereby driving the piston push block to squeeze the oil inside the oil box, thereby pushing the first trapezoidal blocks on both sides of the oil box to move, and then driving the two second trapezoidal blocks to drive the limit guide rod to move, and then using the limit guide rod to drive the brake block to clamp and limit the rubber round block at the end of the rear wheel fixed shaft, thereby limiting the speed and braking the rear wheel fixed shaft, achieving dual braking of the rear wheel of the skateboard and the rear wheel fixed shaft, and improving the braking and speed limiting effects.

[0017] Secondly, by providing a strip-shaped insert on the inner side of the arc-shaped brake plate, the rubber brake pad can be installed on the inner side of the arc-shaped brake plate through the strip-shaped slot and the strip-shaped insert, and the rubber brake pad can be positioned using the positioning bolt and the positioning block, thereby facilitating the installation and removal of the rubber brake pad without disassembling the entire arc-shaped brake plate, thereby achieving the purpose of facilitating the maintenance of the arc-shaped brake plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The figure is a schematic diagram of the overall structure of a scooter with friction braking speed limit proposed by the utility model.

[0019] Figure 2 The utility model is a schematic diagram of the internal structure of the limit groove of a scooter with friction braking speed limit.

[0020] Figure 3 for Figure 1 Enlarged structural diagram at point A in the middle.

[0021] Figure 4 This is a schematic diagram of the front cross-section structure of an oil box of a scooter with friction braking speed limit proposed by the utility model.

[0022] Figure 5 The utility model is a schematic diagram of the structure of a curved brake plate of a scooter with friction braking speed limit.

[0023] Figure 6 The utility model is a schematic diagram of the installation structure of a rubber brake pad of a scooter with friction braking speed limit.

[0024] In the accompanying drawings: 1. scooter body; 2. mounting slot; 3. rear wheel fixing shaft; 4. scooter rear wheel; 5. brake assembly; 6. limit slot; 7. oil box; 8. partition; 9. piston push block; 10. movable plate; 11. movable push rod; 12. first trapezoidal block; 13. rubber brake pad; 14. strip slot; 15. strip insert; 16. positioning block; 17. positioning bolt; 18. limit block; 19. fluid guide hole; 20. limit rod;

[0025] 501, arc-shaped brake plate; 502, linkage plate; 503, linkage column; 504, brake block; 505, limit guide rod; 506, second trapezoidal block; 507, arc-shaped slot; 508, rubber round block; 509, stop block; 510, return spring. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0027] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0028] Reference Figures 1 to 6 A scooter with friction braking speed limit includes a scooter body 1, a mounting groove 2 is opened at the tail of the scooter body 1, a rear wheel fixing shaft 3 is rotatably connected to the inner wall of the mounting groove 2, a rear wheel 4 of the skateboard is fixedly mounted on the surface of the rear wheel fixing shaft 3, and a brake assembly 5 is provided on the surface of the scooter body 1, and the position of the brake assembly 5 corresponds to the rear wheel 4 of the skateboard.

[0029] It should be noted that the brake assembly 5 includes an arc-shaped brake plate 501, and a rubber brake pad 13 is installed on the inner surface of the arc-shaped brake plate 501. A strip groove 14 is opened on the surface of the rubber brake pad 13, and a strip plug 15 is fixedly connected to the inner side of the arc-shaped brake plate 501. The size of the strip groove 14 matches the strip plug 15.

[0030] The end of the arc-shaped brake plate 501 away from the strip-shaped plug-in block 15 is fixedly connected to a positioning block 16, the surface of the positioning block 16 is provided with a bolt hole, the inner wall of the bolt hole is threadedly connected with a positioning bolt 17, and the surface of the rubber brake pad 13 is fixedly connected to a limiting block 18, and the surface of the limiting block 18 is provided with a threaded hole matching the positioning bolt 17.

[0031] It is worth noting that by providing a strip plug 15 on the inner side of the arc-shaped brake plate 501, the rubber brake pad 13 can be installed on the inner side of the arc-shaped brake plate 501 through the strip slot 14 and the strip plug 15, and then the positioning bolt 17 is screwed into the threaded hole on the surface of the limit block 18, so that the rubber brake pad 13 can be positioned by using the positioning bolt 17 and the limit block 18, thereby facilitating the installation and disassembly of the rubber brake pad 13 without disassembling the arc-shaped brake plate 501 as a whole, thereby achieving the purpose of facilitating the maintenance of the arc-shaped brake plate 501.

[0032] It should be noted that two limit rods 20 are fixedly connected to the upper surface of the scooter body 1, and two sliding holes matching the limit rods 20 are opened on the surface of the linkage plate 502, and the linkage plate 502 is slidably connected to the surface of the limit rods 20 through the sliding holes.

[0033] One end of the arc-shaped brake plate 501 is fixedly connected to a linkage plate 502, and a linkage column 503 is fixedly connected to the lower surface of the linkage plate 502. A U-shaped limit groove 6 is provided inside the scooter body 1, and an oil box 7 is fixedly connected to the inner wall of the limit groove 6. Two partitions 8 are fixedly connected between the inner top wall and the inner bottom wall of the oil box 7. A liquid guide hole 19 is provided on the surface of the partition 8, and the liquid guide hole 19 is close to the bottom of the oil box 7.

[0034] It should be noted that a piston push block 9 is slidably connected between the two partitions 8, the bottom end of the linkage column 503 extends to the interior of the oil box 7, and is fixedly connected to the upper surface of the piston push block 9, a movable plate 10 is slidably arranged between the partition 8 and the inner wall of the oil box 7, and the two movable plates 10 are fixedly connected to a movable push rod 11 on the side surface away from each other, and the two movable push rods 11 are fixedly connected to a first trapezoidal block 12 on one end away from each other, and two brake blocks 504 are slidably arranged on the inner wall of the limiting groove 6, and the surface of the brake block 504 is fixedly connected to the limiting guide rod 505, and the end of the limiting guide rod 505 away from the brake block 504 is fixedly connected to the second trapezoidal block 506.

[0035] It should be noted that the position of the first trapezoidal block 12 corresponds to the second trapezoidal block 506 , and the inclined surfaces of the first trapezoidal block 12 and the second trapezoidal block 506 overlap each other.

[0036] A stopper 509 is fixedly connected to the inner wall of the limiting groove 6, and a limiting through hole matching the limiting guide rod 505 is opened on the surface of the stopper 509. The limiting guide rod 505 is slidingly connected to the inner wall of the limiting through hole, and a return spring 510 is sleeved on the surface of the limiting guide rod 505. One end of the return spring 510 is fixedly connected to the surface of the stopper 509, and the other end of the return spring 510 is fixedly connected to the surface of the second trapezoidal block 506.

[0037] In a preferred embodiment, an arc-shaped groove 507 is opened on the surface of the brake block 504, both ends of the rear wheel fixed shaft 3 extend to the inside of the limiting groove 6, and are fixedly connected with a rubber round block 508, the position of the rubber round block 508 corresponds to the brake block 504, and the size of the arc-shaped groove 507 matches the rubber round block 508.

[0038] It is worth noting that, by providing a brake assembly 5 at the rear wheel position of the rear end of the scooter, the user can press the arc-shaped brake plate 501 with his foot to frictionally brake the rear wheel 4 of the skateboard, thereby driving the linkage plate 502 and the linkage column 503 to move downward, thereby driving the piston push block 9 to squeeze the oil inside the oil box 7, thereby pushing the movable plate 10 to drive the movable push rod 11 to move in the oil box 7, thereby driving the first trapezoidal blocks 12 on both sides of the oil box 7 to move, and utilizing the first trapezoidal blocks 12 to push the second trapezoidal blocks 506 to move, thereby driving the limiting guide rod 505 to move, and then utilizing the limiting guide rod 505 to drive the brake block 504 to move toward the rubber round block 508 at the end of the rear wheel fixed shaft 3, and utilizing the arc-shaped groove 507 on the surface of the brake block 504 to press the rubber round block 508 to limit its position, thereby limiting the speed and braking the rear wheel fixed shaft 3, thereby achieving dual braking of the rear wheel 4 and the rear wheel fixed shaft 3 of the skateboard, and improving the braking and speed limiting effects.

[0039] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. The replacements described may be partial structures, devices, or method steps, or they may be complete technical solutions. Any equivalent replacements or modifications based on the technical solution and the concept of the present invention shall be covered by the scope of protection of the present invention.

Claims

1. A scooter with friction brake speed limit, comprising a scooter body (1), characterized in that: An installation groove (2) is formed at the tail of the scooter body (1). The inner wall of the installation groove (2) is rotatably connected to a rear-wheel fixed shaft (3). The surface of the rear-wheel fixed shaft (3) is fixedly installed with a scooter rear wheel (4). A braking component (5) is arranged on the surface of the scooter body (1), and the position of the braking component (5) corresponds to that of the scooter rear wheel (4). The braking component (5) includes an arc-shaped braking plate (501). One end of the arc-shaped braking plate (501) is fixedly connected to a linkage plate (502). The lower surface of the linkage plate (502) is fixedly connected to a linkage column (503). A U-shaped limiting groove (6) is formed inside the scooter body (1). The inner wall of the limiting groove (6) is fixedly connected to an oil box (7). Two partition plates (8) are fixedly connected between the inner top wall and the inner bottom wall of the oil box (7). A piston push block (9) is slidably connected between the two partition plates (8). The bottom end of the linkage column (503) extends into the oil box (7) and is fixedly connected to the upper surface of the piston push block (9). An activity plate (10) is slidably arranged between the partition plate (8) and the inner wall of the oil box (7). Activity push rods (11) are fixedly connected to the surfaces of the two activity plates (10) away from each other. First trapezoidal blocks (12) are fixedly connected to the ends of the two activity push rods (11) away from each other. Two braking blocks (504) are slidably arranged on the inner wall of the limiting groove (6). A limiting guide rod (505) is fixedly connected to the surface of the braking block (504). A second trapezoidal block (506) is fixedly connected to the end of the limiting guide rod (505) away from the braking block (504).

2. A scooter with friction brake speed limit according to claim 1, characterized in that: An arc-shaped card slot (507) is formed on the surface of the braking block (504). Both ends of the rear-wheel fixed shaft (3) extend into the limiting groove (6) and are fixedly connected with rubber round blocks (508). The position of the rubber round blocks (508) corresponds to that of the braking blocks (504), and the size of the arc-shaped card slot (507) matches that of the rubber round blocks (508).

3. A scooter with friction brake speed limit according to claim 1, characterized in that: A stop block (509) is fixedly connected to the inner wall of the limiting groove (6). A limiting through hole matching the limiting guide rod (505) is formed on the surface of the stop block (509). The limiting guide rod (505) is slidably connected to the inner wall of the limiting through hole. A return spring (510) is sleeved on the surface of the limiting guide rod (505). One end of the return spring (510) is fixedly connected to the surface of the stop block (509), and the other end of the return spring (510) is fixedly connected to the surface of the second trapezoidal block (506).

4. A scooter with friction brake speed limit according to claim 1, characterized in that: The position of the first trapezoidal block (12) corresponds to that of the second trapezoidal block (506), and the inclined surfaces of the first trapezoidal block (12) and the second trapezoidal block (506) are mutually lapped.

5. The scooter with friction brake speed limit according to claim 1, characterized in that: A rubber brake pad (13) is installed on the inner surface of the arc-shaped brake plate (501), and a strip-shaped slot (14) is opened on the surface of the rubber brake pad (13). A strip-shaped plug-in block (15) is fixedly connected to the inner side of the arc-shaped brake plate (501), and the size of the strip-shaped slot (14) matches the size of the strip-shaped plug-in block (15).

6. A scooter with friction brake speed limit according to claim 5, characterized in that: The arc-shaped brake plate (501) is fixedly connected to a positioning block (16) at one end away from the strip-shaped plug-in block (15); a bolt hole is provided on the surface of the positioning block (16); a positioning bolt (17) is threadedly connected to the inner wall of the bolt hole; a limiting block (18) is fixedly connected to the surface of the rubber brake pad (13); a threaded hole matching the positioning bolt (17) is provided on the surface of the limiting block (18).

7. The scooter with friction brake speed limit according to claim 1, characterized in that: A liquid guide hole (19) is provided on the surface of the partition plate (8), and the liquid guide hole (19) is close to the bottom of the oil box (7).

8. The scooter with friction brake speed limit according to claim 1, characterized in that: Two limiting rods (20) are fixedly connected to the upper surface of the scooter body (1); two sliding through holes matching the limiting rods (20) are provided on the surface of the linkage plate (502); and the linkage plate (502) is slidably connected to the surface of the limiting rods (20) via the sliding through holes.

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