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CN-122026189-A - Medical conductive wheel

CN122026189ACN 122026189 ACN122026189 ACN 122026189ACN-122026189-A

Abstract

The invention discloses a medical conductive wheel, which comprises a wheel carrier, wherein a steering shaft and a wheel shaft are rotatably connected to the wheel carrier, two wheels are rotatably connected to the wheel shaft, a brake arm is rotatably connected to the wheel shaft, a brake pedal is arranged on the brake arm, a movable block is slidably connected to the wheel carrier, an elastic piece is arranged at the top of the movable block, movable protrusions and fixed protrusions are distributed on the periphery of the wheel shaft, the movable protrusions are arranged at the bottom of the movable block and abut against the brake arm, the movable protrusions are arranged at the top of the brake arm and abut against the movable block, a brake retainer ring is arranged on the inner side of each wheel, a rolling brake block is arranged in the brake retainer ring and fixed on the movable block, a brake disc is arranged on the steering shaft, a rotary brake slot is distributed on the periphery of the side surface of the brake disc, and a rotary brake plug pin which can be inserted into the slot is arranged under at least one rotary brake slot and is fixed on the movable block. The conductive wheel has the characteristics of safety, stability and high efficiency in conductivity.

Inventors

  • ZHOU HAIJIAN

Assignees

  • 圣路机械(嘉兴)制造有限公司

Dates

Publication Date
20260512
Application Date
20260305

Claims (6)

  1. 1. The medical conductive wheel comprises a wheel carrier, a steering shaft with an axis extending vertically up and down is rotationally connected to the wheel carrier, a wheel shaft with an axis extending horizontally left and right is rotationally connected to the wheel shaft, and two wheels which are symmetrically arranged left and right are rotationally connected to the wheel shaft, the medical conductive wheel is characterized in that a brake arm extending along the radial direction is rotationally connected to the wheel shaft, a brake pedal extending out of the wheel carrier is arranged on the brake arm, a movable block which moves up and down relatively is slidingly connected to the wheel carrier, an elastic piece is arranged at the top of the movable block, one end of the elastic piece abuts against the wheel carrier, the other end of the elastic piece abuts against the movable block, movable bulges and fixing bulges which are adjacently arranged are distributed on the periphery of the wheel shaft, the fixing bulges are arranged at the bottom of the movable block and abut against the brake arm, and the movable bulges are arranged at the top of the brake arm and abut against the movable block; A braking check ring is arranged on the inner side of the wheel, a rolling brake block is arranged in the braking check ring, and the rolling brake block is fixed on the movable block; The steering shaft is provided with a brake disc, the side surface of the brake disc is circumferentially provided with rotary brake slots, and a rotary brake plug pin which can be inserted into the slots is arranged right below at least one rotary brake slot and is fixed on the movable block.
  2. 2. The medical conductive wheel according to claim 1, wherein the wheel is a conductive wheel, the steering shaft and the wheel shaft are conductive, the wheel shaft is electrically connected with the wheel, and the wheel frame is embedded with a conductive wire with one end electrically connected with the steering shaft and the other end electrically connected with the wheel shaft.
  3. 3. The medical conductive wheel of claim 2, wherein the conductive wire comprises a bent and shaped metal wire, and the wheel frame is provided with a simulated groove for embedding the conductive wire.
  4. 4. The medical conductive wheel according to claim 3, wherein the wheel frame is connected with a set screw with an end part against the metal wire in a threaded manner.
  5. 5. The medical conductive wheel according to any one of claims 1-4, wherein the inner circumference of the brake retainer ring is provided with a toothed groove, and the rolling brake block is provided with at least one toothed protrusion matched with the toothed groove.
  6. 6. The medical conduction wheel according to claim 1, wherein the elastic member includes a compression spring.

Description

Medical conductive wheel Technical Field The invention relates to the technical field of mechanical engineering, in particular to a medical conductive wheel. Background Medical beds, mobile diagnosis and treatment equipment and the like often need movable wheel sets, the existing wheel sets only have basic rolling steering functions, part of brake wheel sets are of a single brake design, rolling and steering cannot be locked synchronously, unexpected sliding or steering of an instrument is easy to cause, and potential safety hazards exist. Meanwhile, the metal parts of the medical apparatus are easy to generate static electricity, the existing wheel sets are not provided with conductive functions, static electricity accumulation can interfere equipment operation, influence diagnosis and treatment precision and even cause safety accidents, and the existing brake wheel sets are complex in structure and poor in stability, are difficult to meet the severe requirements in the medical field, and are poor in overall effect. Accordingly, the invention provides a medical conductive wheel. Disclosure of Invention The invention aims to overcome the defects in the prior art and provide the medical conductive wheel which has the characteristics of safety, stability and high-efficiency conductivity. The medical conductive wheel comprises a wheel frame, wherein a steering shaft with an axis extending vertically is rotatably connected to the wheel frame, a wheel shaft with an axis extending horizontally and leftwards is rotatably connected to the wheel frame, two wheels which are symmetrically arranged left and right are rotatably connected to the wheel shaft, a brake arm extending along the radial direction is rotatably connected to the wheel shaft, a brake pedal extending out of the wheel frame is arranged on the brake arm, a movable block which moves up and down relatively is slidably connected to the wheel frame, an elastic piece is arranged at the top of the movable block, one end of the elastic piece abuts against the wheel frame, the other end abuts against the movable block, movable bulges and fixed bulges which are adjacently arranged are distributed on the periphery of the wheel shaft, the fixed bulges are arranged at the bottom of the movable block and abut against the brake arm, and the movable bulges are arranged at the top of the brake arm and abut against the movable block; A braking check ring is arranged on the inner side of the wheel, a rolling brake block is arranged in the braking check ring, and the rolling brake block is fixed on the movable block; The steering shaft is provided with a brake disc, the side surface of the brake disc is circumferentially provided with rotary brake slots, and a rotary brake plug pin which can be inserted into the slots is arranged right below at least one rotary brake slot and is fixed on the movable block. The invention is further provided that the wheels are conductive wheels, the steering shaft and the wheel axle can be conductive, the wheel axle is electrically connected with the wheels, and the wheel frame is embedded with a conductive wire, one end of which is electrically connected with the steering shaft, and the other end of which is electrically connected with the wheel axle. The invention is further characterized in that the conductive wire comprises a bent and shaped metal wire, and the wheel frame is provided with a simulated groove for embedding the conductive wire. The invention is further provided with a set screw with an end part propped against the metal wire in a threaded connection manner on the wheel frame. The invention is further characterized in that the inner side circumference of the braking retainer ring is provided with a toothed groove, and the rolling braking block is provided with at least one toothed protrusion matched with the toothed groove. The invention is further arranged that the resilient member comprises a compression spring. In summary, the invention has the following beneficial effects: 1. And the rolling and steering are synchronously locked, so that the safety is improved. Through structures such as a brake arm and a movable block, the rolling brake block can be synchronously driven to lock wheels by pressing down the brake pedal, and the rotating brake bolt is used for limiting steering, so that accidental sliding or steering is avoided, and the medical high-safety requirement is met. 2. The high-efficiency conductive function is achieved, static electricity of the metal lathe bed of the medical instrument can be timely guided into the ground, the static electricity is prevented from interfering with operation of equipment, safety accidents are caused, and diagnosis and treatment safety and equipment stability are guaranteed. Drawings FIG. 1 is a schematic view of the overall structure of the present invention; FIG. 2 is a schematic view of a portion of the structure of the present invention; FIG. 3 is a schematic view of a pa