CN218607215U

CN218607215U - Eccentric compensation mechanism and spinal operating table

Info

Publication number: CN218607215U
Application number: CN202222608268.6U
Authority: CN
Inventors: 张建国; 文飞; 杨进福; 张人云; 李享福
Original assignee: Hotborn Medical Equipment Co ltd
Current assignee: Hotborn Medical Equipment Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-03-14
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses an eccentric compensation mechanism and spinal operation table, which comprises a rotating shaft, it is equipped with the eccentric wheel to rotate the cover in the pivot, be provided with the mount pad on the biggest one side of eccentric wheel eccentricity, rotate on the mount pad and install the installation piece. The utility model discloses a compensation function of length or height is realized to the eccentric wheel structure to solve the length compensation problem when the bed roof beam of spinal operation table is high-adjusted in the front and back.

Description

Eccentric compensation mechanism and spinal operating table

Technical Field

The utility model relates to the field of medical equipment, especially, relate to an eccentric compensation mechanism and backbone operation table.

Background

Because contain human many nerves on the backbone, so the spinal surgery has higher requirement to the structure of operation table, need ensure not to shelter from in patient's backbone below to the at utmost, ensure that imaging equipment's formation of image is clear, the medical personnel of being convenient for carry out the operation, the upset of angle is adjusted etc. around needing to carry out simultaneously to adjustment patient's operation position, just can reduce the operation as far as possible and to patient's damage, accelerate patient's recovered speed. A spinal surgical operating bed with publication number CN105455995A discloses a structure with a hollow frame in the middle, and the inclination angle of the spinal surgical operating bed can be adjusted. But when the angle of bed board slope about adjusting, the height difference of two lift posts, and the highly fixed of bed beam, the structure among the comparison file can lead to connecting the bed beam of two lift posts and the circumstances that the lift post appears mutual tractive dislocation and length is not enough, appears moving the card stagnation at last and makes and incline about unable and adjust, above-mentioned comparison file does not solve this structural problem.

Disclosure of Invention

The utility model discloses aim at solving one of the above-mentioned technical problem at least, provide an eccentric compensation mechanism and spinal operation table, realize length or high compensation function through the eccentric wheel structure, solve the length compensation problem of spinal operation table's bed roof beam when height-adjusting in the front and back.

In order to realize the purpose, the utility model discloses a technical scheme be:

the eccentric compensation mechanism comprises a rotating shaft, wherein an eccentric wheel is rotatably sleeved on the rotating shaft, a mounting seat is arranged on the side face of the side with the largest eccentric distance of the eccentric wheel, and a mounting block is rotatably mounted on the mounting seat.

As an improvement of the above technical scheme, a central shaft hole is formed in the rotation center of the eccentric wheel, the rotating shaft is rotatably inserted into the central shaft hole, an eccentric shaft is arranged at the position where the eccentric distance of the eccentric wheel is the largest, and the mounting base is hinged to the eccentric shaft.

As an improvement of the technical scheme, the eccentric wheels are provided with two groups, the two groups of eccentric wheels are rotatably sleeved on the rotating shaft, and the mounting seat is connected between the side faces of the two groups of eccentric wheels with the largest eccentric distance.

As an improvement of the technical scheme, one side of the mounting seat is provided with an avoiding groove capable of accommodating the rotating shaft.

As an improvement of the technical scheme, the eccentric shaft is sleeved with a rolling bearing, an eccentric shaft hole is formed in the hinged end of the mounting seat, and the outer ring of the rolling bearing is clamped on the inner ring of the eccentric shaft hole.

As an improvement of the technical scheme, the mounting block is provided with a plurality of mounting holes.

The utility model provides a spinal column operation table, includes base, bed plate frame and eccentric compensation mechanism, all be equipped with the lift support column on the both ends of base, it is two sets of all be equipped with swing tilt mechanism on the upper end of lift support column, it is two sets of swing tilt mechanism's output all connects pivot in the eccentric compensation mechanism, the both ends of bed plate frame are installed respectively two sets of on the installation piece in the eccentric compensation mechanism.

As an improvement of the technical scheme, the two groups of lifting support columns comprise lifting columns and lifting electric cylinders, the two groups of lifting columns are respectively installed at two ends of the base, two ends of the lifting electric cylinders are respectively connected with two ends of the lifting columns, and the swing tilting mechanisms are arranged at the upper ends of the lifting columns.

As the improvement of above-mentioned technical scheme, swing tilt mechanism includes turbine, worm and transmission shaft, the inside installation cavity that is equipped with in upper end of lift support column, the worm rotates and installs in the installation cavity, the one end of worm is connected with the output of rotating electrical machines, all be equipped with on the both sides of lift support column upper end and found the seat, the transmission shaft rotates and installs two sets ofly between the seat found, the one end suit of turbine is on the transmission shaft and the other end extends and meshes the butt with the worm to the inside of installation cavity, the pivot is installed on the radial direction of transmission shaft one end, the worm can drive the turbine swing and drive eccentric compensation mechanism through the transmission shaft and carry out the tilt motion.

As an improvement of the technical scheme, the two groups of vertical seats comprise bearing seats, and two ends of the transmission shaft are respectively installed in the two groups of bearing seats through bearings.

Compared with the prior art, the beneficial effects of this application are:

the utility model discloses an eccentric compensation mechanism and backbone operation table, solve length or the compensation problem of height through adopting the eccentric wheel, this eccentric compensation mechanism can use on backbone operation table, it is different when the lift height of two lift support columns, bed grillage will take place the slope thereupon, and drive the eccentric wheel and rotate, its eccentric position can compensate the length of bed grillage after the eccentric wheel rotates, and the pivoted position of eccentric wheel can carry out the adjustment of adaptability according to the elevating state of operation table, ensure that bed grillage stable connection is between two lift support columns.

Drawings

The following detailed description of embodiments of the invention is provided in connection with the accompanying drawings, in which:

fig. 1 is a first schematic structural diagram of an eccentric compensation mechanism according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an eccentric compensation mechanism according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a spinal surgical bed according to an embodiment of the present invention;

fig. 4 is a first front view of the spinal surgical bed in the embodiment of the present invention;

fig. 5 is a second front view of the spinal surgical bed in the embodiment of the present invention;

fig. 6 is a schematic view of the internal structure of the spinal surgical bed in the embodiment of the present invention;

FIG. 7 is an enlarged view of portion A of FIG. 4;

FIG. 8 is an enlarged view of portion B of FIG. 5;

fig. 9 is an enlarged view of portion C of fig. 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or there can be intervening components, and when a component is referred to as being "disposed in the middle," it is not just disposed in the middle, so long as it is not disposed at both ends, but rather is within the scope of the middle. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 9, the utility model provides an eccentric compensation mechanism, including pivot 10, it is equipped with eccentric wheel 11 to rotate the cover in the pivot 10, be provided with mount pad 12 on the one side that eccentric wheel 11 eccentricity is the biggest, rotate on the mount pad 12 and install installation piece 13.

Preferably, two groups of the eccentric wheels 11 are provided, the two groups of the eccentric wheels 11 are rotatably sleeved on the rotating shaft 10, and the mounting seat 12 is connected between the side surfaces of the two groups of the eccentric wheels 11 with the largest eccentric distance. The mounting block 13 may be connected to an external structure, that is, a structure in which a length, a height, or the like is compensated according to a use state. In order to facilitate the fixing and installation, a plurality of installation holes are formed in the installation block 13, and the installation block can be connected and fixed with an external structure through fasteners such as bolts screwed into the installation holes.

Referring specifically to fig. 1, in one embodiment of the present application, the mounting seat 12 is directly and fixedly mounted on a side surface of the eccentric wheel 11 having the largest eccentricity. At this point, the distance of the mounting piece 13 from the center of rotation of the eccentric 11 is fixed, i.e., the compensation length of the eccentric 11 for the external structure to which it is connected is fixed.

Referring to fig. 2, in another embodiment of the present application, a central shaft hole 14 is formed in a rotation center of the eccentric wheel 11, the rotating shaft 10 is rotatably inserted into the central shaft hole 14, an eccentric shaft 15 is disposed at a position where an eccentric distance of the eccentric wheel 11 is the largest, and the mounting base 12 is hinged to the eccentric shaft 15. In this case, the distance of the mounting block 13 from the center of rotation of the eccentric 11, i.e. the length of the eccentric 11 to compensate for the external structure to which it is connected, is variable, due to the articulated connection of the mounting base 12.

Specifically, an avoiding groove 16 capable of accommodating the rotating shaft 10 is formed in one side of the mounting seat 12, and when the distance from the mounting block 13 to the rotation center of the eccentric wheel 11 is the minimum, the rotating shaft 10 is located in the avoiding groove 16; namely, the mounting member 12 may be a C-shaped structure, one end of the opening of the C-shaped structure is hinged to the eccentric shaft 15, and the mounting block 13 is arranged above the other end. Further, in order to further ensure the rotational flexibility of the hinged part of the mounting seat 12, a rolling bearing 17 is sleeved on the eccentric shaft 15, an eccentric shaft hole 18 is formed in the hinged end of the mounting seat 12, and an outer ring of the rolling bearing 17 is clamped on an inner ring of the eccentric shaft hole 18.

The utility model provides a spinal column operation table, including base 20, bed plate frame 50 and eccentric compensation mechanism, all be equipped with lift support column 30 on base 20's the both ends, it is two sets of all be equipped with swing tilt mechanism 40 on lift support column 30's the upper end, it is two sets of swing tilt mechanism 40's output is all connected pivot 10 in the eccentric compensation mechanism, bed plate frame 50's both ends are installed respectively two sets of on the last installation piece 13 of eccentric compensation mechanism. The two groups of lifting support columns 30 are used for adjusting the front and back heights of the operating bed, namely, the bed head and the bed can be inclined at an angle; the swing tilting mechanism 40 is used for adjusting the bed body to tilt left and right so as to meet the requirements of different operative body positions of patients.

With specific reference to fig. 4 and 5, the principle of cooperation of the eccentricity compensation mechanism and the operating bed is as follows: when the heights of the two sets of lifting support columns 30 are the same, the eccentric wheel 11 is in the original state, and the mounting block 13 is horizontal, as shown in fig. 7, and the distance from the mounting block 13 to the rotation center of the eccentric wheel 11 is the smallest. When the height of the lifting support column 30 is higher in one set than in the other set, the bed plate frame 50 will tilt accordingly, and the eccentricity compensation mechanism will rotate along with the tilting of the bed plate frame 50, as shown in fig. 8, at this time, the distance from the mounting block 13 to the rotation center of the eccentric 11 is increased, so as to realize the length compensation of the bed plate frame 50, and meanwhile, the mounting block 13 is tilted to adapt to the tilting of the bed plate frame 50.

The utility model discloses an eccentric compensation mechanism and backbone operation table, solve length or the compensation problem of height through adopting eccentric wheel 11, this eccentric compensation mechanism can use on backbone operation table, it is different when two lift support column 30's lift height, bed grillage will take place the slope thereupon, and drive eccentric wheel 11 and rotate, its eccentric position can compensate bed grillage 50's length after eccentric wheel 11 rotates, and eccentric wheel 11's rotational position can carry out the adjustment of adaptability according to the elevating condition of operation table, ensure bed grillage 50 stable connection between two lift support column 30.

Referring to fig. 6, each of the two sets of lifting support columns 30 includes a lifting column 31 and a lifting electric cylinder 32, the two sets of lifting columns 31 are respectively installed on two ends of the base 20, two ends of the lifting electric cylinder 32 are respectively connected with two ends of the lifting column 31, and the swing tilting mechanism 40 is disposed on an upper end of the lifting column 31. Wherein, the lifting column 31 is a multi-section telescopic structure, and is prior art, and the detailed description is omitted in this application. The lifting electric cylinder 32 can synchronously drive the lifting column 31 to lift.

Referring to fig. 9, in order to realize the function of the left-right inclination of the bed body, the swing inclination mechanism 40 includes a worm wheel 41, a worm and a transmission shaft 42, an installation cavity is arranged inside the upper end of the lifting support column 30, the worm is rotatably installed in the installation cavity, one end of the worm is connected with the output end of the rotating motor, vertical seats 33 are respectively arranged on two sides of the upper end of the lifting support column 30, the transmission shaft 42 is rotatably installed between two sets of the vertical seats 33, one end of the worm wheel 41 is sleeved on the transmission shaft 42, the other end of the worm wheel extends towards the inside of the installation cavity and is meshed and abutted with the worm, the rotating shaft 10 is installed on the radial direction of one end of the transmission shaft 42, and the worm wheel can drive the worm wheel 41 to swing and drive the eccentric compensation mechanism to perform inclination motion through the transmission shaft 42. Wherein, the turbine can adopt fan-shaped structure, establishes the meshing tooth on its arc surface and the surface of worm, drives turbine 41 when the worm rotates and swings. The working principle of the swing tilting mechanism 40 can refer to a swing mechanism disclosed in a spinal surgical operating bed with a publication number CN105455995a, and detailed description thereof is omitted in this application. Further, two sets of the vertical seats 33 include bearing seats, and two ends of the transmission shaft 42 are respectively installed in the two sets of the bearing seats through bearings.

The above embodiments are only used for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered by the scope of the technical solutions of the present invention.

Claims

1. The eccentric compensation mechanism is characterized by comprising a rotating shaft, wherein an eccentric wheel is sleeved on the rotating shaft in a rotating mode, a mounting seat is arranged on the side face of the side with the largest eccentric distance of the eccentric wheel, a mounting block is mounted on the mounting seat in a rotating mode, a center shaft hole is formed in the rotating center of the eccentric wheel, the rotating shaft is inserted into the center shaft hole in a rotating mode, an eccentric shaft is arranged at the position with the largest eccentric distance of the eccentric wheel, and the mounting seat is hinged to the eccentric shaft.

2. An eccentricity compensation mechanism as claimed in claim 1, wherein there are two sets of said eccentrics, two sets of said eccentrics are rotatably mounted on the rotating shaft, and said mounting seat is connected between the side surfaces of the two sets of said eccentrics with the largest eccentricity.

3. The eccentricity compensation mechanism of claim 1, wherein an avoiding slot is formed on one side of the mounting base for accommodating the rotating shaft.

4. The eccentric compensation mechanism of claim 1, wherein the eccentric shaft is sleeved with a rolling bearing, the hinge end of the mounting seat is provided with an eccentric shaft hole, and an outer ring of the rolling bearing is clamped on an inner ring of the eccentric shaft hole.

5. The eccentricity compensation mechanism of claim 1, wherein the mounting block defines a plurality of mounting holes.

6. A spinal operating table, comprising a base, a bed board frame and the eccentric compensation mechanism of any one of claims 1-5, wherein the two ends of the base are respectively provided with a lifting support column, the upper ends of the two groups of lifting support columns are respectively provided with a swing tilting mechanism, the output ends of the two groups of swing tilting mechanisms are respectively connected with a rotating shaft on the eccentric compensation mechanism, and the two ends of the bed board frame are respectively arranged on the installation blocks on the two groups of eccentric compensation mechanisms.

7. The spinal surgical bed according to claim 6, wherein the two sets of lifting support columns each comprise a lifting column and a lifting electric cylinder, the two sets of lifting columns are respectively installed on two ends of the base, two ends of the lifting electric cylinder are respectively connected with two ends of the lifting column, and the swing tilting mechanism is disposed on an upper end of the lifting column.

8. The spinal operating table according to claim 6, wherein the tilting mechanism comprises a turbine, a worm and a transmission shaft, an installation cavity is arranged inside the upper end of the lifting support column, the worm is rotatably installed in the installation cavity, one end of the worm is connected with the output end of the rotating motor, vertical seats are arranged on two sides of the upper end of the lifting support column, the transmission shaft is rotatably installed between the vertical seats, one end of the turbine is sleeved on the transmission shaft, the other end of the turbine extends towards the inside of the installation cavity and is abutted to the worm in a meshed mode, the rotating shaft is installed on the radial direction of one end of the transmission shaft, and the worm can drive the turbine to swing and drive the eccentric compensation mechanism to perform tilting motion through the transmission shaft.

9. The spinal surgical bed according to claim 8, wherein each of the two sets of vertical seats comprises a bearing seat, and two ends of the transmission shaft are respectively mounted in the two sets of bearing seats through bearings.