CN217886468U - Rotatable diagnostic bed - Google Patents

Abstract

The application provides a rotatable diagnostic bed, relates to the medical instrument field. The rotatable diagnostic bed comprises: the device comprises a connecting piece, a seat body, a lathe bed and a swing mechanism; the slewing mechanism comprises a slewing reducer and a first driving mechanism, the slewing reducer comprises a slewing bearing and a worm, the slewing bearing comprises an inner ring and an outer ring which is rotatably sleeved on the inner ring, the worm is meshed with the outer ring, the inner ring is connected with the base body through a connecting piece, the outer ring is connected with the lathe bed, and the first driving mechanism is in transmission connection with the worm so as to drive the lathe bed to rotate forwards and backwards relative to the base body. The rotatable diagnostic bed adopts a rotary driving mode to rotate the bed body, so that the return clearance of the rotatable diagnostic bed is small, the rotation precision is high, the rotation angle is large, and the requirements of doctors on different positions and different angles of the bed body are met.

Description

Rotatable diagnostic bed

Technical Field

The application relates to the field of medical equipment, in particular to a rotatable diagnostic bed.

Background

At present, the gastrointestinal diagnostic bed is not only used for fluoroscopy and photography of gastrointestinal tract, breast, esophagus, spinal cord and the like, but also used for skull and whole body skeleton photography, urinary system radiography, uterus oviduct radiography, bronchus radiography, vein radiography, pediatric image examination and the like, and along with the wider application range of the gastrointestinal diagnostic bed, the functional requirements on the diagnostic bed are higher and higher.

Therefore, many gastrointestinal diagnostic beds all have the bed body rotation function, and then realize multi-angle, diversified diagnosis. However, the existing diagnostic bed with the bed body rotating function has the problem of small rotating range, and the rotatable diagnostic bed has high manufacturing cost and large installation and maintenance difficulty due to the complicated structure.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the present application is to provide a rotatable diagnostic bed, which can solve the technical problems of small rotation angle and complex structure of the existing rotatable diagnostic bed.

In a first aspect, an embodiment of the present application provides a rotatable diagnostic bed, which includes: connecting piece, pedestal, lathe bed and rotation mechanism.

The slewing mechanism comprises a slewing reducer and a first driving mechanism, the slewing reducer comprises a slewing bearing and a worm, the slewing bearing comprises an inner ring and an outer ring which is rotatably sleeved on the inner ring, the worm is meshed with the outer ring, the inner ring is connected with the base body through a connecting piece, the outer ring is connected with the lathe bed, and the first driving mechanism is in transmission connection with the worm so as to drive the lathe bed to rotate forwards and backwards relative to the base body.

In the implementation process, the bed body is connected with the base body through the rotating mechanism, so that the bed body connecting arm rotates relative to the base body, the rotating angle is large, the requirements of doctors on different positions and different angles of the bed body are met, meanwhile, the structure of the rotating mechanism is effectively simplified by adopting the rotating speed reducer, the occupied space volume is reduced, and the rotating speed reducer can be directly purchased as a standard body, so that the installation and maintenance are simple, and the manufacturing cost of the rotatable diagnosis bed is reduced. In addition, the rotary driving mode is adopted, so that the return clearance of the rotatable diagnostic bed is small, the rotation precision is high, the occupied space is small, the operation is stable and free of noise during the rotation, the rotary speed reducer can be self-locked when the first driving mechanism stops operating, and the lathe bed is maintained at a preset angle safely and reliably.

In a possible embodiment, the angle of the positive rotation of the bed with respect to the seat is between 0 and 90 ° and the angle of the negative rotation of the bed with respect to the seat is between 0 and-90 °.

The rotary structure of most of the existing rotatable diagnostic beds consists of a motor, a speed reducer and a plurality of sets of gears (or a plurality of sets of sprockets), the rotating angle of the bed body is generally + 90-0 to-25 degrees, the rotating angle of the bed body is + 90-0 to-90 degrees in the rotary rotating mode adopted by the application, the rotating angle is large, and the requirements of doctors on different positions and angles of the bed body can be met.

In a possible embodiment, the diagnostic bed further comprises a bed connecting arm, the bed connecting arm comprises a first connecting arm and a second connecting arm which are connected with each other in an L shape, the first connecting arm is connected with the outer ring, and the second connecting arm is used for connecting the bed.

In the implementation process, the machine body connecting arm is simple in structure, and smoothness of forward rotation and reverse rotation of the machine body is guaranteed.

In a possible embodiment, the bed connecting arm further includes a first arm and at least two second arms, the first arm is disposed along the width direction of the bed, the first arm is connected to the second connecting arm, one end of each second arm is connected to the first arm, the other end of each second arm extends toward a side away from the first arm along the length direction of the bed, and the at least two second arms are disposed at intervals on the first arm.

In the implementation process, the contact area of the two is effectively increased by the arrangement of the at least two second support arms, and meanwhile, the pressure of the lathe bed on the second support arms is dispersed, so that the stability of connection of the second connecting arm and the lathe bed is ensured.

In a possible embodiment, the first driving mechanism includes a motor and a speed reducer, the motor is disposed on the connecting member, and the motor is in transmission connection with the worm through the speed reducer.

In the implementation process, the driving force provided by the motor is amplified by the speed reducer and then transmitted to the worm so as to drive the connecting arm of the lathe bed to rotate forwards and backwards, and the stability of rotation is ensured.

Wherein, the transmission mode of speed reducer and worm has the multiple, for example:

in one possible embodiment, the reduction gear is in drive with a worm belt.

Optionally, the first driving mechanism includes a driving wheel, a driven wheel and a conveying belt, the driving wheel is arranged on an output shaft of the speed reducer, the driven wheel is arranged on the worm, and the conveying belt is sleeved on the driving wheel and the driven wheel.

Optionally, the driving wheel and the driven wheel are chain wheels, and the conveying belt is meshed with the driving wheel and the driven wheel respectively.

In the implementation process, the conveying belt is respectively meshed with the driving wheel and the driven wheel, so that the conveying belt can be prevented from slipping at the driving wheel or the driven wheel, and the stability of belt transmission is ensured.

In a possible embodiment, the output shaft of the speed reducer is provided with a first gear, the worm is provided with a second gear, and the first gear is in meshed connection with the second gear.

The transmission connection is convenient to mount and dismount on the premise of realizing the transmission connection of the speed reducer and the worm.

In a possible embodiment, the rotatable diagnostic bed includes a second driving mechanism, the second driving mechanism is disposed on the base, and the second driving mechanism is in transmission connection with the connecting member to drive the connecting member to move up and down.

In the implementation process, the second driving mechanism is arranged, so that the lifting of the rotatable diagnosis bed is realized, and the requirements of doctors on different heights of the bed body are met.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a first perspective view of the assembly of the swing mechanism and the connecting member;

FIG. 2 is a second perspective view of the assembly of the swing mechanism and the connecting member;

FIG. 3 is a schematic view of the assembly of the connecting arm, swivel mechanism and link;

FIG. 4 is a schematic view of a connecting arm of the lathe bed and a connecting piece rotating at an angle of 0 degree;

FIG. 5 is a schematic view of a connecting arm of the lathe bed and a connecting piece rotating at an angle of 90 degrees;

fig. 6 is a schematic diagram of the rotation angle of the connecting arm of the bed and the connecting piece being-90 °.

An icon: 10-a slewing mechanism; 101-a base; 103-slewing bearing; 1031-inner ring; 1033-outer lane; 105-a worm input shaft; 110 — a first drive mechanism; 111-a motor; 113-a speed reducer; 115-driving wheel; 116-a driven wheel; 117-a conveyor belt; 20-a bed connecting arm; 210-a first connecting arm; 220-a second connecting arm; 230-a first arm; 240-a second support arm; 30-a connector; 301-a first side; 303-second side.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The rotating structure of the existing rotatable diagnostic bed mainly realizes the angle adjustment of the bed body by matching a plurality of groups of gears driven by a motor and the like, the structure is complex, the precision requirement is high, and in the actual use process, because no standard part is used as the rotating structure, the difficulty is high and the operation is more complicated during the installation and maintenance, and meanwhile, the rotating angle of the rotating structure is generally small.

In view of the above, the present application is hereby presented.

A rotatable diagnostic bed can be applied to gastrointestinal tract department as a rotatable diagnostic bed for gastrointestinal tract.

The rotatable diagnostic bed comprises a connecting piece, a seat body, a bed body and a rotating mechanism, wherein the connecting piece 30 is connected with the seat body, the bed body is connected with the connecting piece through the rotating mechanism, further the forward rotation and the reverse rotation of the bed body relative to the seat body are realized, and the angle of the bed body is adjusted according to actual requirements.

Referring to fig. 1 and 2, the turning mechanism 10 includes a turning reducer and a first driving mechanism 110.

The slewing gear comprises a base 101, a slewing bearing 103 and a worm.

The slewing bearing 103 and the worm are arranged in the base 101, the worm is provided with a worm input shaft 105 extending out of the base 101, the slewing bearing 103 comprises an inner ring 1031 and an outer ring 1033, the inner ring 1031 is fixedly connected with the base 101, the outer ring 1033 is rotatably sleeved on the outer wall of the inner ring 1031, the worm is meshed with the outer ring 1033, the axis of the worm is perpendicular to the axis of the slewing bearing 103, the first driving mechanism 110 is in transmission connection with the worm to drive the outer ring 1033 to rotate forwards and backwards relative to the inner ring 1031, the slewing reducer can bear larger axial force, radial force and overturning force, the bearing capacity of the reducer is large, and the stable rotation of a bed body bearing a patient can be ensured.

In practical application, outer lane 1033 is connected with the lathe bed in this application, and accessible base 101 is connected with connecting piece 30 simultaneously and is realized that inner circle 1031 is connected with the pedestal, and then according to actual conditions, first actuating mechanism 110 drive worm rotates, and pivoted worm drives outer lane 1033 and rotates for inner circle 1031 to realize that the lathe bed rotates for the pedestal. It should be noted that the slewing gear reducer can be purchased directly from the market, and the specific structure thereof can be referred to the related art, and will not be described herein.

In this embodiment, the first driving mechanism 110 includes a motor 111 and a speed reducer 113, the motor 111 is disposed on the connecting member 30, and the motor 111 is in transmission connection with the worm input shaft 105 through the speed reducer 113. That is, the driving force provided by the motor 111 is amplified by the speed reducer 113 and transmitted to the worm to drive the bed to rotate forward and backward, thereby ensuring the stability of rotation.

Alternatively, the motor 111 is a servo motor 111, which can precisely control the bed rotation angle.

The motor 111 and the speed reducer 113 may be separate bodies, and may be assembled by itself when used, or the motor 111 integrated with the speed reducer 113 may be used, and is not limited thereto.

The reduction gear 113 and the worm input shaft 105 are driven in various ways.

For example, in one embodiment provided herein, the speed reducer 113 is coaxially connected to the worm input shaft 105 through a coupling (not shown).

In addition, the transmission of the driving force from the speed reducer 113 to the worm may be achieved by two wheels, where the two wheels may be two gears engaged with each other, or two pulleys or sprockets engaged with each other.

In another embodiment provided by the present application, the output shaft of the speed reducer 113 is provided with a first gear (not shown), the worm input shaft 105 is provided with a second gear (not shown), and the first gear is in meshed connection with the second gear, wherein the first gear and the second gear are both common gears, that is, the speed reducer 113 and the worm are in gear transmission connection at this time.

In the present embodiment, the speed reducer 113 is driven by a worm belt.

With reference to fig. 1 and fig. 2, optionally, the first driving mechanism 110 further includes a driving wheel 115, a driven wheel 116 and a transmission belt 117, wherein the driving wheel 115 is disposed on the output shaft of the speed reducer 113, the driven wheel 116 is disposed on the worm input shaft 105, the transmission belt 117 is sleeved on the driving wheel 115 and the driven wheel 116, and when the motor 111 drives the driving wheel 115 to rotate, the driving wheel 115 drives the driven wheel 116 disposed on the worm to rotate synchronously through the transmission belt 117.

Wherein, action wheel 115 and follow driving wheel 116 can be the band pulley, and in this embodiment, action wheel 115 is the sprocket with follow driving wheel 116, and conveyer belt 117 is connected with action wheel 115 and follow driving wheel 116 meshing respectively, promptly, and the drive belt is the chain, and above-mentioned setting can avoid transmission in-process conveyer belt 117 to skid at action wheel 115 or follow driving wheel 116, guarantees the driven stability of belt.

As shown in fig. 1 and 2, the connecting member 30 has a first surface 301 and a second surface 303 opposite to each other, the rotation reducer is connected to the connecting member 30, the inner ring 1031 protrudes from the first surface 301, the first driving mechanism 110 is disposed on the second surface 303, and the connecting member 30 is provided with a through hole for the belt 117 to run. With the above arrangement, the mechanism compactness of the swing mechanism 10 is ensured.

The number of the swing mechanisms 10 may be one or two, and it should be noted that, when the number of the swing mechanisms 10 is two, the two swing mechanisms 10 are symmetrically arranged at two ends of the bed body in the length direction, and the axes of the inner rings 1031 of the two swing mechanisms 10 coincide.

Referring to fig. 1 and 2, in the present embodiment, the number of the turning mechanisms 10 is one, and the turning mechanism is disposed at any end of the bed in the length direction, and the bed can be smoothly rotated only by one turning mechanism 10.

In order to ensure the stability of the connection, referring to fig. 3, optionally, the rotatable diagnostic bed further comprises a bed connecting arm 20, the bed connecting arm 20 comprises a first connecting arm 210 and a second connecting arm 220 which are connected with each other in an L shape, the first connecting arm 210 is connected with the outer ring 1033, and the second connecting arm 220 is used for connecting with the bed.

The second connecting arm 220 is plate-shaped, and the second connecting arm 220 and the first connecting arm 210 are integrally formed.

In this embodiment, the bed connecting arm 20 further includes a first arm 230 and at least two second arms 240, the first arm 230 is disposed along the width direction of the bed, the first arm 230 is connected to the second connecting arm 220, and optionally, the connection point of the second connecting arm 220 and the first arm 230 is located at the midpoint of the first arm 230. One end of each second arm 240 is connected to the first arm 230, and the other end extends along the length direction of the bed toward the side far away from the first arm 230, and all the second arms 240 are arranged at intervals on the first arm 230. Through the arrangement, the contact area between the bed connecting arm 20 and the bed is increased, and meanwhile, because the first support arm 230 and the first connecting arm 210 are spaced by the second connecting arm 220, friction between the bed and the first connecting arm 210 during rotation is avoided, and the smoothness of rotation is ensured.

Alternatively, all of second arms 240 are equally spaced apart from first arm 230.

As shown in fig. 3, the number of the second arms 240 is two.

The two second connecting arms 220 can be connected with two end faces of the bed in the width direction, or connected with the bottom wall of the bed by clamping, screwing or welding, for example. For example, the bed may have a limiting groove at two ends in the width direction, the second support arm 240 is embedded in the limiting groove, and the second support arm 240 and the bed may be further fixed by screws, which is not limited herein.

Referring to fig. 4, when the first support arm 230 is kept horizontal, the rotation angle of the bed connecting arm 20 relative to the connecting element 30 is 0 °, and with the above arrangement, referring to fig. 5, the bed connecting arm 20 can rotate within 90 ° in the forward direction from 0 ° relative to the connecting element 30, that is, the angle of the bed in the forward direction relative to the base is 0 to 90 °, referring to fig. 6, the bed connecting arm 20 can also rotate within 90 ° in the reverse direction from 0 ° relative to the connecting element 30, that is, the angle of the bed in the reverse direction relative to the base is 0 to-90 °, and the rotation angle range is large.

Since the doctor has a requirement on the height of the bed during the actual diagnostic procedure, the rotatable diagnostic bed optionally also comprises a second drive mechanism.

The second driving mechanism is arranged on the base body and is in transmission connection with the connecting piece 30 to drive the connecting piece 30 to ascend and descend, so that the rotatable diagnostic bed can ascend and descend, and the requirements of doctors on different heights of the bed body are met.

In order to ensure that the bed body can stably lift and does not shake, optionally, the base body is provided with a guide groove for guiding the lifting of the connecting piece 30, and the connecting piece 30 is slidably embedded in the guide groove.

In conclusion, the rotatable diagnostic bed provided by the application adopts the rotation driving mode to rotate the bed body, so that the return clearance of the rotatable diagnostic bed is small, the rotation precision is high, the rotation angle is large, and the requirements of doctors on different positions and different angles of the bed body are met.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A rotatable diagnostic bed, comprising: the device comprises a connecting piece, a seat body, a lathe bed and a swing mechanism;

the slewing mechanism comprises a slewing reducer and a first driving mechanism, the slewing reducer comprises a slewing bearing and a worm, the slewing bearing comprises an inner ring and an outer ring which is rotatably sleeved on the inner ring, the worm is meshed with the outer ring and connected with the outer ring, the inner ring passes through the connecting piece and is connected with the base, the outer ring is connected with the lathe bed, and the first driving mechanism is connected with the worm in a transmission manner so as to drive the lathe bed to rotate forwards and backwards relative to the base.

2. The rotatable diagnostic bed of claim 1, wherein the angle of the bed in the forward direction relative to the housing is 0 to 90 ° and the angle of the bed in the reverse direction relative to the housing is 0 to-90 °.

3. The rotatable diagnostic bed of claim 1, further comprising a bed connecting arm, wherein the bed connecting arm comprises a first connecting arm and a second connecting arm connected to each other in an L-shape, the first connecting arm is connected to the outer ring, and the second connecting arm is used for connecting to the bed.

4. The rotatable diagnostic bed of claim 3, wherein the bed connecting arm further comprises a first arm and at least two second arms, the first arm is arranged along the width direction of the bed, the first arm is connected with the second connecting arm, one end of each second arm is connected with the first arm, the other end of each second arm extends towards the side away from the first arm along the length direction of the bed, and the at least two second arms are arranged on the first arm at intervals.

5. The rotatable diagnostic couch of claim 1 wherein the first drive mechanism comprises a motor and a speed reducer, the motor being disposed on the connecting member and the motor being drivingly connected to the worm via the speed reducer.

6. The rotatable diagnostic bed of claim 5, wherein the speed reducer is in belt drive with the worm.

7. The rotatable diagnostic couch of claim 6 wherein the first drive mechanism comprises a drive wheel, a driven wheel and a belt, the drive wheel is disposed on the output shaft of the reducer, the driven wheel is disposed on the worm, and the belt is disposed over the drive wheel and the driven wheel.

8. The rotatable diagnostic couch of claim 7 wherein the drive pulley and the driven pulley are sprockets, and the conveyor belt is in meshing engagement with the drive pulley and the driven pulley, respectively.

9. The rotatable diagnostic bed of claim 5, wherein the output shaft of the reducer is provided with a first gear, the worm is provided with a second gear, and the first gear is in meshing connection with the second gear.

10. The rotatable diagnostic bed of any one of claims 1 to 9, comprising a second driving mechanism, wherein the second driving mechanism is disposed on the base, and the second driving mechanism is in transmission connection with the connecting member to drive the connecting member to ascend and descend.

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