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CN-122005256-A - Waist bridge structure and operating table

CN122005256ACN 122005256 ACN122005256 ACN 122005256ACN-122005256-A

Abstract

The application relates to a waist bridge structure and an operating table. The waist bridge structure comprises a frame, a driving assembly, a transmission assembly and a waist bridge plate, wherein the driving assembly is arranged on the frame, the transmission assembly is rotatably arranged on the frame and is in transmission connection with the output end of the driving assembly, the output assembly comprises an arc-shaped rack, the arc-shaped rack is movably arranged on the frame and is in meshed connection with the transmission assembly, one end of the arc-shaped rack can be driven to extend out of or move into the frame by the transmission assembly, and the waist bridge plate is connected to one end of the arc-shaped rack and moves along with the arc-shaped rack. Therefore, the transmission assembly and the annular rack are matched to provide enough thrust and movement stroke for the movement of the waist bridge plate, so that the accurate adjustment of the waist bridge plate position is realized, and the body position requirement of a specific operation is met. Meanwhile, the transmission assembly and the arc-shaped rack are small in size, the overall size of the waist bridge structure can be reduced, the space occupied by the waist bridge structure on an operating table is reduced, interference between the waist bridge structure and other parts is avoided, and the usability is guaranteed.

Inventors

  • Huang Zishuai
  • ZHANG HAINAN
  • ZHOU RENBIN

Assignees

  • 核动医疗机器人(深圳)有限公司

Dates

Publication Date
20260512
Application Date
20251231

Claims (13)

  1. 1. A lumbar bridge structure, comprising: A frame; the driving assembly is arranged on the frame; The transmission assembly is rotatably arranged on the frame and is in transmission connection with the output end of the driving assembly; The output assembly comprises an arc-shaped rack which is movably arranged on the frame and is in meshed connection with the transmission assembly, the transmission assembly can drive one end of the arc-shaped rack to extend out of or move into the frame, and The waist bridge plate is connected to one end of the arc-shaped rack and moves along with the arc-shaped rack.
  2. 2. The lumbar bridge structure of claim 1, further comprising a guide assembly, wherein the arcuate rack comprises an arcuate mounting body and an arcuate rack portion disposed on a side of the mounting body and extending in a direction toward the drive assembly; The guide component is rotatably arranged on the frame and positioned on the periphery side of the installation main body, and the guide component is movably abutted against the installation main body so as to guide and limit the movement of the arc-shaped rack.
  3. 3. The lumbar bridge according to claim 2, wherein the guide assembly includes a first guide member and a second guide member provided to the frame, the first guide member and the second guide member being provided to both sides of the mounting body along an axial direction of the arc-shaped rack and rotatably abutting against a side surface of the mounting body.
  4. 4. The lumbar bridge of claim 3, wherein the guide assembly includes a third guide member and a fourth guide member disposed on the frame, the third guide member being disposed on a side of the arcuate rack facing away from the transmission assembly and rotatably abutting the mounting body, the fourth guide member being disposed on a side of the arcuate rack facing the transmission assembly and rotatably abutting the mounting body, the fourth guide member being circumferentially spaced from the transmission assembly by a predetermined distance.
  5. 5. The lumbar bridge according to claim 4, wherein the first, second, third and fourth guides are support bearings having support shafts, an inner ring of the support bearings being fixed to the frame by the support shafts, an outer ring of the support bearings abutting the mounting body; Or the first guide piece, the second guide piece, the third guide piece and the fourth guide piece are rollers with fixed shafts, the fixed shafts are fixed on the frame, and the rollers are rotatably arranged on the fixed shafts and abut against the mounting main body.
  6. 6. The waist bridge construction according to claim 4, wherein the frame is provided with a receiving slot and a movement opening, the movement opening communicates with the receiving slot and the external environment, the receiving slot is used for receiving the arc-shaped rack, and the arc-shaped rack extends out of or moves into the receiving slot through the movement opening; The first guide member, the second guide member, the third guide member, and the fourth guide member are at least partially located in the receiving groove.
  7. 7. The lumbar bridge structure of claim 6, wherein the first guide, the second guide, the third guide, and the fourth guide are disposed proximate the movement opening; And/or the number of the first guide piece, the second guide piece, the third guide piece and the fourth guide piece is at least two, and the first guide piece, the second guide piece, the third guide piece and the fourth guide piece are arranged at intervals along the circumferential direction of the arc-shaped rack.
  8. 8. The lumbar bridge according to any one of claims 1-7, wherein the transmission assembly includes a first transmission gear, a second transmission gear and a third transmission gear, the first transmission gear is disposed at an output end of the driving assembly, the second transmission gear is rotatably disposed at a side of the first transmission gear facing the arc-shaped rack and is engaged with the first transmission gear, and the third transmission gear is disposed coaxially with the second transmission gear and rotates with the second transmission gear, and the third transmission gear is engaged with the arc-shaped rack.
  9. 9. The lumbar bridge structure of claim 8, wherein the first and second transfer gears are 45 ° helical involute gears; the third transmission gear is a straight gear, and the tooth part on the arc-shaped rack is a straight tooth and is meshed with the third transmission gear.
  10. 10. The lumbar bridge according to claim 8, wherein the first and second drive gears are bevel gears, the third drive gear is a spur gear, and the teeth on the arcuate rack are spur teeth and are meshed with the third drive gear; or the first transmission gear is a worm, the second transmission gear is a worm wheel meshed with the worm, the third transmission gear is a straight gear, and the tooth part on the arc-shaped rack is a straight tooth and meshed with the third transmission gear.
  11. 11. The lumbar bridge structure of claim 8, wherein the radius of the base circle of the arcuate rack is 5-10 times the radius of the base circle of the third drive gear.
  12. 12. The lumbar bridge according to any one of claims 1-7, wherein the transmission assembly includes a first transmission gear and a second transmission gear, the first transmission gear being disposed at an output end of the drive assembly, the second transmission gear being rotatably disposed on a side of the first transmission gear facing the arc-shaped rack and in meshed connection with the first transmission gear and the arc-shaped rack; The first transmission gear and the second transmission gear are 45-degree involute gears, and the tooth parts of the arc racks are 45-degree involute helical gears.
  13. 13. An operating table, characterized by comprising a table body and a waist bridge structure as claimed in any one of claims 1 to 12, wherein the waist bridge structure is positioned in the middle area of the table body, the frame is mounted on the table body, and the driving assembly drives the arc-shaped rack to drive the waist bridge plate to extend out of or retract into the table body through the transmission assembly.

Description

Waist bridge structure and operating table Technical Field The application relates to the technical field of medical equipment, in particular to a waist bridge structure and an operating table. Background The operation table waist bridge is a very specialized and important structure on the operation table, and is mainly used for providing local elevation of the waist area so as to accurately adjust the waist position of a patient, thereby meeting the body position requirement of specific operations (particularly spinal and kidney operations) and creating more ideal conditions for the operations. The prior operation bed waist bridge ensures enough thrust and enough travel, wherein the size of the transmission structure is larger, thereby increasing the required volume of the whole operation bed. Generally, the size of the operation table is fixed, the volume of the operation table waist bridge is too large, the operation table waist bridge occupies too much space, and the operation table waist bridge can interfere with other parts on the operation table such as an operation robot and the like, so that the operation table waist bridge and other parts are not beneficial to being used together. Disclosure of Invention Based on this, it is necessary to provide a lumbar bridge structure and an operation table, which can provide enough thrust and movement travel for the movement of the lumbar bridge plate and reduce the overall size of the lumbar bridge structure so as to reduce the space occupied by the lumbar bridge structure on the operation table, aiming at the problems that the volume of the lumbar bridge of the current operation table is large, which causes excessive occupation of the operation table space and interference with other components. In a first aspect, the present application provides a lumbar bridge structure comprising: A frame; the driving assembly is arranged on the frame; The transmission assembly is rotatably arranged on the frame and is in transmission connection with the output end of the driving assembly; The output assembly comprises an arc-shaped rack which is movably arranged on the frame and is in meshed connection with the transmission assembly, the transmission assembly can drive one end of the arc-shaped rack to extend out of or move into the frame, and The waist bridge plate is connected to one end of the arc-shaped rack and moves along with the arc-shaped rack. In an embodiment of the present application, the waist bridge structure further includes a guide assembly, the arc-shaped rack includes an arc-shaped mounting main body and an arc-shaped rack portion, and the rack portion is disposed on a side surface of the mounting main body and extends toward the transmission assembly; The guide component is rotatably arranged on the frame and positioned on the periphery side of the installation main body, and the guide component is movably abutted against the installation main body so as to guide and limit the movement of the arc-shaped rack. In an embodiment of the application, the guide assembly includes a first guide member and a second guide member disposed on the frame, where the first guide member and the second guide member are disposed on two sides of the mounting body along an axial direction of the arc-shaped rack, and rotatably abut against a side surface of the mounting body. In an embodiment of the application, the guide assembly includes a third guide member and a fourth guide member, the third guide member is located at a side of the arc-shaped rack away from the transmission assembly and rotatably abuts against the mounting main body, the fourth guide member is located at a side of the arc-shaped rack facing the transmission assembly and rotatably abuts against the mounting main body, and a preset interval exists between the fourth guide member and the transmission assembly along a circumferential direction. In an embodiment of the present application, the first guide member, the second guide member, the third guide member and the fourth guide member are support bearings having support shafts, inner rings of the support bearings are fixed to the frame by the support shafts, and outer rings of the support bearings abut against the mounting body; Or the first guide piece, the second guide piece, the third guide piece and the fourth guide piece are rollers with fixed shafts, the fixed shafts are fixed on the frame, and the rollers are rotatably arranged on the fixed shafts and abut against the mounting main body. In an embodiment of the present application, the rack is provided with a containing groove and a movement opening, the movement opening is communicated with the containing groove and the external environment, the containing groove is used for containing the arc-shaped rack, and the arc-shaped rack extends out of or moves into the containing groove through the movement opening; The first guide member, the second guide member, the third guide member, and the fourth