Search

CN-224224835-U - High-bearing stable anti-falling universal wheel device

CN224224835UCN 224224835 UCN224224835 UCN 224224835UCN-224224835-U

Abstract

The utility model relates to the technical field of casters, and discloses a high-bearing stable and drop-resistant universal wheel device which comprises a base, a rotating shaft and an installation seat, wherein a buffer component is arranged at the bottom of the installation seat, a reinforcing component is arranged at the bottom of the installation seat, the buffer component comprises an installation plate, the bottom of the installation plate is fixedly connected with a circular pipe, and a piston is connected inside the circular pipe in a sliding manner. This high bearing is firm resistant universal wheel device that falls when the movable wheel received ground impact, impact force passed through the installing frame and transmitted to the piston rod, promotes the piston and upwards slides in the pipe of oiling, and the fluid produces damping effect through the oilhole on piston and consumes kinetic energy this moment, simultaneously, the spring of cover establishing in the pipe and the piston rod outside is compressed energy storage, further absorbs impact energy through elastic deformation, when impact disappears, spring release energy storage promotes the piston to reset, and the fluid flows back through the oilhole, realizes steady reciprocal buffer motion, has reached the resistant benefit that falls of whole universal wheel device.

Inventors

  • ZHU DALI
  • LI FENGPING
  • ZHU YIPING

Assignees

  • 杭州富阳钇龙塑胶制品有限公司

Dates

Publication Date
20260512
Application Date
20250729

Claims (7)

  1. 1. The high-bearing stable anti-falling universal wheel device comprises a base (1), a rotating shaft (2) and an installation seat (3), and is characterized in that a buffer component (4) is arranged at the bottom of the installation seat (3), and a reinforcing component (5) is arranged at the bottom of the installation seat (3); the buffer assembly (4) comprises a mounting plate (401), a circular tube (402) is fixedly connected to the bottom of the mounting plate (401), a piston (403) is connected to the inside of the circular tube (402) in a sliding mode, a piston rod (404) is fixedly connected to the bottom of the piston (403), a mounting frame (405) is fixedly connected to the bottom of the piston rod (404), a spring (406) is fixedly connected between the mounting plate (401) and the mounting frame (405), and a movable wheel (407) is connected to the inner side of the mounting frame (405) in a rotating mode.
  2. 2. The high-bearing stable and drop-resistant universal wheel device according to claim 1, wherein the rotating shaft (2) is rotatably connected to the bottom of the base (1), the mounting seat (3) is fixedly connected to the bottom of the rotating shaft (2), and the mounting plate (401) is fixedly connected to the bottom of the mounting seat (3).
  3. 3. The high-bearing stable and anti-falling universal wheel device according to claim 1, wherein oil is filled in the round tube (402), the diameter of the piston (403) is equal to the inner diameter of the round tube (402), and an oil hole (4031) is formed in the piston (403).
  4. 4. The high load-bearing stable and drop-resistant universal wheel device according to claim 1, wherein the piston rod (404) penetrates through the circular tube (402) and extends to the bottom of the circular tube, and the spring (406) is sleeved outside the circular tube (402) and the piston rod (404).
  5. 5. The high-load-bearing stable and drop-resistant universal wheel device according to claim 1, wherein the installation frame (405) is rotatably connected with a rotating shaft, the movable wheel (407) is fixedly connected with the rotating shaft, and the movable wheel (407) is supported by metal and is wrapped with rubber.
  6. 6. The high-load-bearing stable and drop-resistant universal wheel device according to claim 5, wherein the reinforcing component (5) comprises a first connecting plate (501), a second connecting plate (502) is fixedly connected to the bottom of the first connecting plate (501), and a reinforcing plate (503) is fixedly connected between the first connecting plate (501) and the second connecting plate (502).
  7. 7. The high-bearing stable and drop-resistant universal wheel device according to claim 6, wherein the first connecting plates (501) are fixedly connected to the bottom of the mounting seat (3), the first connecting plates (501) are two in number and symmetrically distributed on two sides of the mounting plate (401), the second connecting plates (502) are sleeved on the outer side of the rotating shaft, the reinforcing plates (503) are in forty-five-degree inclined design, and the first connecting plates (501), the second connecting plates (502) and the reinforcing plates (503) form a triangular structure.

Description

High-bearing stable anti-falling universal wheel device Technical Field The utility model relates to the technical field of casters, in particular to a high-bearing stable anti-falling universal wheel device. Background The casters comprise movable casters and fixed casters, the fixed casters have no rotating structure, can not rotate horizontally and can only rotate vertically, and the universal wheels are the movable casters, so that the brackets arranged on the casters can rotate horizontally by 360 degrees in dynamic or static load. Most of the conventional universal wheels are directly connected with the frame, and a buffer structure is lacked, so that the universal wheel device is easy to deform when being impacted. Therefore, a high-load-bearing stable anti-drop universal wheel device is provided to solve the above-mentioned problems. Disclosure of utility model The utility model aims to provide a high-bearing stable anti-falling universal wheel device so as to solve the problems in the background technology. In order to solve the technical problems, the utility model provides the technical scheme that the high-bearing stable anti-falling universal wheel device comprises a base, a rotating shaft and an installation seat, wherein a buffer component is arranged at the bottom of the installation seat, and a reinforcing component is arranged at the bottom of the installation seat; The buffer assembly comprises a mounting plate, the bottom fixedly connected with pipe of mounting plate, the inside sliding connection of pipe has the piston, the bottom fixedly connected with piston rod of piston, the bottom fixedly connected with mounting frame of piston rod, fixedly connected with spring between mounting plate and the mounting frame, the inboard rotation of mounting frame is connected with removes the wheel. Preferably, the rotation shaft is rotatably connected to the bottom of the base, the mounting seat is fixedly connected to the bottom of the rotation shaft, and the mounting plate is fixedly connected to the bottom of the mounting seat. Preferably, the inside of the round tube is filled with oil, the diameter of the piston is equal to the inner diameter of the round tube, and the piston is provided with an oil hole. Preferably, the piston rod passes through the circular tube and extends to the bottom of the circular tube, and the spring is sleeved outside the circular tube and the piston rod. Preferably, the installation frame is rotatably connected with a rotating shaft, the movable wheel is fixedly connected with the rotating shaft, the movable wheel is supported by metal, and rubber is wrapped on the outer side of the movable wheel. Preferably, the reinforcing component comprises a first connecting plate, a second connecting plate is fixedly connected to the bottom of the first connecting plate, and a reinforcing plate is fixedly connected between the first connecting plate and the second connecting plate. Preferably, the first connecting plate fixed connection is in the bottom of mount pad, the quantity of first connecting plate is two and is the both sides of symmetric distribution at the mounting panel, the second connecting plate cover is in the pivot outside, the reinforcing plate is forty-five degree slope designs, first connecting plate, second connecting plate and reinforcing plate constitute triangular structure. Compared with the prior art, the utility model has the following beneficial effects: When the movable wheel is impacted by the ground, the impact force is transmitted to the piston rod through the mounting frame, the piston is pushed to slide upwards in the oil injection circular tube, at the moment, the oil liquid generates damping effect through the oil hole on the piston to consume kinetic energy, meanwhile, the spring sleeved on the outer sides of the circular tube and the piston rod is compressed and stores energy, the impact energy is further absorbed through elastic deformation, when the impact disappears, the spring releases the stored energy to push the piston to reset, the oil liquid flows back through the oil hole, stable reciprocating buffer motion is realized, and the anti-falling benefit of the whole universal wheel device is achieved. The design of the second connecting plate sleeved with the rotating shaft can prevent the rotating shaft from deforming, ensure the rotation stability of the movable wheel, and simultaneously improve the integral structural strength of the movable wheel under heavy load and impact working conditions through a triangular three-dimensional support system formed by the first connecting plate, the second connecting plate and the reinforcing plate. Drawings FIG. 1 is a schematic diagram of the overall structure of the present utility model; FIG. 2 is a schematic view of the structure of the rotating shaft and its related parts according to the present utility model; FIG. 3 is a schematic view of a portion of a cushioning assembly according to