Damping type universal and directional dual-purpose quick-release roller

Abstract

The utility model discloses a shock absorption type universal directional dual-purpose quick release roller, which comprises a wheel fork, a wheel, a rotating shaft, a shock absorption device and a quick release device, the shock absorption device comprises a movable shaft sleeve, an upper connecting seat, a shock absorption spring and a lower connecting seat, the movable shaft sleeve is arranged on the upper connecting seat in a sliding manner, and the movable shaft sleeve, the shock absorption spring and the lower connecting seat are mounted on the rotating shaft together; the lower end of the movable shaft sleeve is in butt joint with the positioning notch of the lower connecting seat; an anti-falling limiting piece is mounted on the rotating shaft; the quick release device comprises a fixing shaft sleeve, a locking clamping piece and a first locking knob, and the fixing shaft sleeve is arranged on the locking hole of the upper connecting base in a sleeving mode and is matched with a locking notch in the locking clamping piece through a screw rod of the first locking knob to be locked and fixed. After the structure is adopted, the steering device has the advantages of reasonable structural design, simplicity and convenience in disassembly and assembly, flexibility and portability in steering, good damping effect, rapidness in steering function conversion, stability and reliability in use and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to a gyro wheel technology field, especially a shock-absorbing type gyro wheel which can be converted to each other and is convenient to disassemble and assemble. BACKGROUND

[0002] With the rise of field camping, field camping has become the best travel project for most families and friends to play together, and also has given birth to the folding carrier industry for carrying goods in field camping activities. However, the gyro wheel used in the existing folding carrier has the following problems: first, the four gyro wheels used at present include gyro wheels and directional gyro wheels, the steering functions of the gyro wheels and the directional gyro wheels cannot be converted to each other, and two gyro wheels of different specifications need to be used. Second, in order to improve the stability of the table when the table board on the existing hand-pulled carrier is used as a table, many users require that the gyro wheel can be quickly disassembled and assembled, but the gyro wheel and the frame are generally connected by screw fastening, and special tools must be used when disassembling or replacing, which is not convenient for on-site disassembly and assembly, and the gyro wheel and the directional gyro wheel are also prone to incorrect installation. Third, the existing gyro wheel generally does not have a shock-absorbing device, the field camping activity site is generally a natural environment, and the road environment is extremely poor. When the carrier is pulled, there is no protection, the vibration amplitude is large, the bumping is serious, and the equipment or food is easily broken or damaged, causing unnecessary loss. In view of the above problems, many manufacturers and research institutes have developed and trial-produced, but so far no ideal product has been put on the market. SUMMARY

[0003] In order to overcome the above-mentioned deficiencies in the prior art, the utility model aims to provide a shock-absorbing type gyro wheel with a reasonable structure design, simple and convenient disassembly and assembly, flexible and light steering, good shock-absorbing effect, quick steering function conversion, and stable and reliable use.

[0004] The utility model solves the above-mentioned technical problems by adopting the technical scheme, which comprises a wheel fork, a wheel, a rotating shaft fixed on the wheel fork, a shock-absorbing device, and a quick-release device. The shock-absorbing device comprises a movable shaft sleeve, an upper connecting seat, a shock-absorbing spring, and a lower connecting seat. The movable shaft sleeve is slidably arranged on the upper connecting seat and is installed on the rotating shaft together with the shock-absorbing spring and the lower connecting seat. The lower end of the movable shaft sleeve is connected to the positioning slot of the lower connecting seat, and the upper part of the rotating shaft is provided with an anti-dropping limiting piece. The quick-release device comprises a fixed shaft sleeve fixed to the frame, a locking piece arranged on the fixed shaft sleeve, and a first locking knob hingedly arranged on the locking port of the upper connecting seat. The fixed shaft sleeve is sleeved on the locking hole of the upper connecting seat and is locked and fixed by the cooperation of the screw rod of the first locking knob and the locking slot of the locking piece.

[0005] The further scheme of the utility model discloses a positioning sliding groove is equipped on the movable shaft sleeve, a positioning sliding hole matched with the positioning sliding groove is equipped in the upper connecting seat, and the movable shaft sleeve is arranged on the upper connecting seat through the cooperation of the positioning sliding groove and the positioning sliding hole.

[0006] The further scheme of the utility model discloses that the lower connecting seat is equipped with a plane bearing.

[0007] The further scheme of the utility model discloses that the lower connecting seat is equipped with a steering conversion device, the steering conversion device comprises a hinged seat arranged on the lower connecting seat, a second locking knob hinged on the hinged seat, a locking notch arranged on the wheel fork, and a locking slope or plane is arranged on the hinged seat, when the second locking knob is locked on the locking slope or plane, it is a shock-absorbing type universal roller, and when the second locking knob is locked on the locking notch on the wheel fork, it is a shock-absorbing type directional roller.

[0008] Compared with the prior art, the utility model has the following advantages and effects: first, the movable shaft sleeve is arranged on the upper connecting seat and is installed on the rotating shaft together with the shock-absorbing spring and the lower connecting seat, the upper part of the rotating shaft is provided with an anti-dropping limiting piece, the movable shaft sleeve, the shock-absorbing spring and the upper and lower connecting seats form a shock-absorbing structure, the roller steering rotation is flexible, light, shock-absorbing effect is good, and stable and reliable in use, thereby solving the problem of no shock absorption. Second, the fixed shaft sleeve is sleeved on the locking hole of the upper connecting seat and is locked and fixed through the cooperation of the screw rod of the first locking knob and the locking notch on the locking piece, the roller can be quickly disassembled and installed by locking or opening the first locking knob, the roller is simple and convenient to disassemble and assemble, and the problem that special tools are needed to disassemble and assemble the roller is solved. Third, the second locking knob is hinged on the hinged seat of the lower connecting seat, the locking notch is arranged on the wheel fork, the locking slope or plane is arranged on the hinged seat, the universal function can be realized by locking the roller through the second locking knob and the locking slope or plane, the directional function can be realized by locking the roller through the second locking knob and the locking notch, and the steering function conversion is quick and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is the three-dimensional structure schematic view when the utility model is oriented.

[0010] Figure 2 It is the exploded view schematic view of the utility model.

[0011] Figure 3 It is the cooperation structure schematic view when the utility model is oriented.

[0012] Figure 4 It is the shock-absorbing spring compression structure schematic view when the utility model is oriented.

[0013] Figure 5 It is the three-dimensional structure schematic view when the utility model is oriented.

[0014] Wherein 1 fixed axle sleeve, 2 locking card, 3 anti-off limiting piece, 4 movable axle sleeve, 5 positioning sliding groove, 6 upper connecting seat, 7 positioning sliding hole, 8 first locking knob, 9 shock absorbing spring, 10 lower connecting seat, 11 locking slope or plane, 12 second locking knob, 13 plane bearing, 14 rotating shaft, 15 yoke, 16 locking notch, 17 wheel. DETAILED DESCRIPTION

[0015] Figures 1 to 5 As shown in the specific embodiment of the directional dual-purpose quick-release shock-absorbing roller of the utility model, it comprises a yoke 15, a wheel 17, a rotating shaft 14 fixed on the yoke 15, a shock-absorbing device and a quick-release device. The shock-absorbing device comprises a movable axle sleeve 4, an upper connecting seat 6, a shock-absorbing spring 9 and a lower connecting seat 10. The movable axle sleeve 4 is arranged on the upper connecting seat 6 in a slideable manner and is installed on the rotating shaft 14 together with the shock-absorbing spring 9 and the lower connecting seat 10. The lower end of the movable axle sleeve 4 is connected to the positioning notch of the lower connecting seat 10. The upper part of the rotating shaft 14 is provided with an anti-off limiting piece 3. The movable axle sleeve 4, the shock-absorbing spring 9 and the upper and lower connecting seats 6 and 10 form a shock-absorbing structure, thereby ensuring that the roller is flexible and light in rotation, has a good shock-absorbing effect and is stable and reliable in use. The quick-release device comprises a fixed axle sleeve 1 fixed to a vehicle frame, a locking card 2 arranged on the fixed axle sleeve 1 and a first locking knob 8 hingedly connected to the locking port of the upper connecting seat 6. The fixed axle sleeve 1 is arranged on the locking hole of the upper connecting seat 6 and is locked and fixed by cooperation of the screw rod of the first locking knob 8 and the locking notch of the locking card 2. By locking or opening the first locking knob 8, the roller can be quickly disassembled and assembled, and the roller is simple and convenient to disassemble and assemble.

[0016] In order to facilitate the installation of the movable axle sleeve 4 and improve the shock-absorbing effect, the movable axle sleeve 4 is provided with a positioning sliding groove 5, and the upper connecting seat 6 is provided with a positioning sliding hole 7 matched with the positioning sliding groove 5. The movable axle sleeve 4 is arranged on the upper connecting seat 6 by cooperation of the positioning sliding groove 5 and the positioning sliding hole 7.

[0017] In order to ensure that the roller of the utility model is flexible and light in rotation, the lower connecting seat 10 is provided with a plane bearing 13.

[0018] In order to facilitate the function conversion between the universal roller and the directional roller, the lower connecting seat 10 is provided with a steering conversion device. The steering conversion device comprises a hinged seat arranged on the lower connecting seat 10, a second locking knob 12 hingedly connected to the hinged seat and a locking notch 16 arranged on the yoke 15. The hinged seat is provided with a locking slope or plane 11. When the second locking knob 12 is locked on the locking notch 16 of the yoke 15, it is a shock-absorbing directional roller, as shown in Figure 1 and Figure 3 When the second locking knob 12 is unlocked from the locking notch 16 of the yoke 15, it is a universal roller, as shown in Figure 4When the second locking knob 12 is locked on the locking slope or plane 11, it is a shock-absorbing universal roller, as shown in Figure 5 as shown.

[0019] The above is only a specific embodiment of the present application, and does not limit the present application in any form. Simple modifications, equivalent changes or modifications made without departing from the technical solutions of the present application all fall within the protection scope of the present application.

Claims

1. A shock-absorbing universal directional dual-purpose quick-release roller, comprising a fork (15), a wheel (17), a rotating shaft (14) fixed to the fork (15), a shock-absorbing device, and a quick-release device, characterized in that: The shock absorbing device comprises a movable shaft sleeve (4), an upper connecting seat (6), a shock absorbing spring (9), and a lower connecting seat (10); the movable shaft sleeve (4) can be slidably arranged on the upper connecting seat (6) and is installed on the rotating shaft (14) together with the shock absorbing spring (9) and the lower connecting seat (10); the lower end of the movable shaft sleeve (4) is docked with the positioning notch of the lower connecting seat (10); and the upper part of the rotating shaft (14) is installed with an anti-slip limiter (3); the quick-release device comprises a fixed shaft sleeve (1) fixed to the frame, a locking clamp (2) arranged on the fixed shaft sleeve (1), and a first locking knob (8) hinged on the locking mouth of the upper connecting seat (6); the fixed shaft sleeve (1) is sleeved on the locking hole of the upper connecting seat (6) and is locked and fixed by the screw of the first locking knob (8) and the locking notch on the locking clamp (2).

2. The shock-absorbing universal directional dual-purpose quick-release roller according to claim 1, characterized in that: The movable shaft sleeve (4) is provided with a positioning slide groove (5), and the upper connecting seat (6) is provided with a positioning slide hole (7) that cooperates with the positioning slide groove (5). The movable shaft sleeve (4) is arranged on the upper connecting seat (6) through the positioning slide groove (5) and the positioning slide hole (7).

3. The shock-absorbing universal directional dual-purpose quick-release roller according to claim 1, characterized in that: A plane bearing (13) is installed on the lower connecting seat (10).

4. The shock-absorbing universal directional dual-purpose quick-release roller according to claim 1, 2 or 3, characterized in that: The lower connecting seat (10) is provided with a steering conversion device, which includes an articulated seat arranged on the lower connecting seat (10), a second locking knob (12) hinged on the articulated seat, and a locking notch (16) arranged on the wheel fork (15). The articulated seat is provided with a locking inclined surface or plane (11); when the second locking knob (12) is locked on the locking inclined surface or plane (11), it is a shock-absorbing universal roller; when the second locking knob (12) is locked on the locking notch (16) on the wheel fork (15), it is a shock-absorbing directional roller.

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