CN217907759U

CN217907759U - Bed body lifting mechanism for nuclear magnetic resonance apparatus

Info

Publication number: CN217907759U
Application number: CN202221676532.3U
Authority: CN
Inventors: 陈博; 赵广明; 祁建军; 祁长银; 李明闯
Original assignee: Shandong Aoluorui Medical Technology Co ltd
Current assignee: Shandong Aoluorui Medical Technology Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-11-29
Anticipated expiration: 2032-06-30

Abstract

The utility model belongs to the technical field of nuclear magnetic resonance equipment, a bed body elevating system for nuclear magnetic resonance appearance is provided, which comprises a base, be provided with a pair of fixed case and the movable box that is wedge complex on the base, the both sides of fixed case and movable box are provided with a pair of sliding fit's director, the centre of movable box is provided with the enhancement baffle, the bottom both sides of strengthening the baffle are provided with two racks, the top of fixed case is provided with the open slot that is used for holding the bottom of strengthening the baffle, the both sides of open slot be provided with the driven tooth axle of rack toothing, the transmission end of tooth axle is provided with the drive belt, take-up pulley and gear motor, the position that the fixed case is close to its side is provided with stop device, stop device includes the cylinder, the driving lever, ratchet and pinion rack, the top of fixed case is provided with the bar mouth relative with the home range of ratchet, pinion rack and ratchet cooperation. This device reasonable in design, simple structure, the better just security of lift stability are higher, are fit for extensive the popularization.

Description

Bed body lifting mechanism for nuclear magnetic resonance apparatus

Technical Field

The utility model belongs to the technical field of nuclear magnetic resonance equipment, especially, relate to a bed body elevating system for nuclear magnetic resonance appearance.

Background

A nuclear magnetic resonance apparatus is an apparatus for performing medical examination using the principle of nuclear magnetic resonance. The nuclear magnetic resonance imaging is a latest medical influence new technology utilizing the nuclear magnetic resonance principle, and has excellent diagnosis functions on organs such as brain, thyroid, liver, gallbladder, spleen, kidney, pancreas, adrenal gland, uterus, ovary, prostate and the like, as well as heart and great vessels. Compared with other auxiliary examination means, the nuclear magnetic resonance imaging system has the advantages of multiple imaging parameters, high scanning speed, high tissue resolution, clearer images and the like, and can help one-click understanding of the early lesions which are not easy to perceive. The examining table of the nuclear magnetic resonance machine comprises a lifting mechanism and a translation mechanism, wherein the lifting mechanism is arranged on the ground and can drive the translation mechanism up and down, and the translation mechanism mainly bears a human body and extends or extracts the human body towards the inside of the nuclear magnetic resonance machine.

The lifting mechanism of the examination bed for the existing nuclear magnetic resonance machine mainly aims to provide convenience for a patient who is inconvenient to lie down on the translation mechanism. However, most lifting mechanisms are in a vertical ascending or descending manner, and for some patients, dizziness and vomiting are easily caused in a moment, so that the sanitation of the nuclear magnetic resonance examination room is polluted, and other problems about the safety of the patient are caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem that foretell inspection bed exists, provide a reasonable in design, simple structure, the better and higher nuclear magnetic resonance appearance of lift stability with bed body elevating system of security.

In order to achieve the above purpose, the utility model discloses a technical scheme do, the utility model provides a nuclear magnetic resonance appearance is with bed body elevating system, the on-line screen storage device comprises a base, be provided with a pair of fixed case and the movable box that is wedge complex on the base, the bottom surface of fixed case and the top surface of movable box are the horizontal plane, the both sides of fixed case and movable box are provided with a pair of sliding fit's director, the centre of movable box is provided with the enhancement baffle, the bottom surface that the bottom of enhancement baffle runs through the movable box and its both sides are provided with two racks, and the flank of tooth back of two racks is mutually carried on, the top of fixed case is provided with the open slot that is used for holding the bottom of enhancement baffle, the both sides of open slot are provided with many pairs of tooth axle with two rack toothing driven, the transmission end of tooth axle is provided with the drive belt, the transmission face dorsal part of drive belt is provided with the take-up pulley, the power input end of drive belt is provided with gear motor, the position that fixed case is close to its side is provided with stop device, stop device includes the cylinder, the power take off end of cylinder is provided with the driving lever, the tip of driving lever is provided with the bar ratchet, the bar-shaped opening relative with the bar ratchet with the pinion rack with the movable box, the bottom of movable box, the opposite ratchet, the pinion rack of bar ratchet, the opposite ratchet.

Preferably, the tail of the shifting lever is hinged with the power output end of the air cylinder, a transfer shaft connected with the fixing box is arranged on the shifting lever, and the ratchet is arranged at one end, far away from the transfer shaft, of the shifting lever.

Preferably, a pair of supporting frames symmetrically distributed about the open slot is arranged inside the fixed box, and the top of each supporting frame is an inclined plane and is used for supporting the gear shaft.

Preferably, shoulders are arranged on two sides of the top of the movable box and used for being matched with a bed body translation mechanism for the nuclear magnetic resonance instrument, and the bed body translation mechanism for the nuclear magnetic resonance instrument comprises a bed tail support matched with the shoulders and a buffer support matched with the shoulders.

Preferably, the guider comprises a C-shaped plate connected with the movable box, and a guide block connected with the movable box is arranged on the inner side of the C-shaped plate.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

1. the utility model provides a bed body elevating system for nuclear magnetic resonance apparatus, through adopting fixed case and movable box that the wedge-shaped cooperatees can make the translation mechanism for nuclear magnetic resonance apparatus do the plane with the movable box and rise and descend the action to avoid the physiological condition that the elevating action influences the patient; the position of the movable box on the fixed box can be limited by the limiting device, so that the support stability of the translation mechanism for the nuclear magnetic resonance spectrometer is ensured, and the accuracy of an inspection result is ensured. This device reasonable in design, simple structure, the better just security of lift stability are higher, are fit for extensive the popularization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an isometric view of a bed lifting mechanism for a nuclear magnetic resonance apparatus according to an embodiment;

FIG. 2 is a side view of a bed lifting mechanism for an NMR spectrometer provided in an embodiment;

FIG. 3 is a front view of the bed lifting mechanism for NMR spectrometer provided in the embodiment;

FIG. 4 is a schematic structural diagram of a rack, a gear shaft, a transmission belt and a tension wheel provided by an embodiment;

in the above figures, 1, a base; 2. a stationary box; 21. an open slot; 3. a movable box; 31. a shoulder; 4. a guide; 41. a C-shaped plate; 42. a guide block; 5. a reinforcing spacer; 6. a rack; 7. a gear shaft; 8. a transmission belt; 9. a tension wheel; 10. a reduction motor; 11. a limiting device; 111. a cylinder; 112. a deflector rod; 113. a ratchet; 114. a toothed plate; 115. a transfer shaft; 12. a support frame; 13. a bed body translation mechanism for the nuclear magnetic resonance apparatus; 131. supporting the bed tail; 132. and (7) buffering and supporting.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" used herein refer to the same directions as the drawings, and do not limit the structure.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

An embodiment, as shown in fig. 1-4, the utility model provides a bed body elevating system for nuclear magnetic resonance apparatus, which comprises a base 1, be provided with a pair of fixed case 2 and the movable box 3 that are wedge fit on the base 1, the bottom surface of fixed case 2 and the top surface of movable box 3 are the horizontal plane, the both sides of fixed case 2 and movable box 3 are provided with a pair of sliding fit's director 4, the centre of movable box 3 is provided with reinforcing baffle 5, reinforcing baffle 5's top is connected and its bottom runs through the bottom surface of movable box 3 with the top of movable box, reinforcing baffle 5's both sides are provided with two racks 6, the flank of tooth of two racks 6 back of the body mutually carries on, the top of fixed case 2 is provided with the open slot 21 that is used for holding reinforcing baffle 5's bottom, the both sides of open slot 21 are provided with many pairs of open slot 7 with two rack 6 meshing transmission, the transmission end of ratchet 7 is provided with drive belt 8, the transmission face of drive belt 8 is provided with reverse side 9, the power input end of drive belt 8 is provided with gear reduction motor 10, the position that fixed case 2 is close to its side is provided with stop device 11, stop device 11 is included cylinder 111, the power output 111, the output is provided with movable box 112, the movable box's 113 and the relative dog-tooth's top is provided with movable box's 113 scope of movable box's top is provided with the bar 114 with the dog-bar 114.

In the device, a gear shaft 7 is driven by a speed reducing motor 10, the gear shaft 7 comprises a large gear matched with a rack 6 and a small gear matched with a transmission belt 8, the transmission belt 8 is a toothed belt and can drive the gear shaft 7 on the same side to transmit through transmitting all the small gears, so that the rack 6 and the movable box 3 are driven to do plane motion along the wedge-shaped matching surface of the movable box 3 and the fixed box 2. Meanwhile, the guide 4 prevents the movable box 3 from turning over, and ensures the stability of the movable box 3 moving along the surface of the fixed box 2. Therefore, the movable box 3 can make the nuclear magnetic resonance apparatus supported by the movable box perform plane ascending and descending actions by the translation mechanism, so that the physiological condition of a patient is prevented from being influenced by the vertical ascending and descending actions, and the effect of protecting the patient is achieved. Regarding the limiting device 11, after the cylinder 111 drives the dial plate to rotate, the ratchet 113 can be clamped on the tooth surface of the toothed plate 114 to play a role of stopping the rotation, so that the position of the movable box 3 on the fixed box 2 is limited, the support stability of the device on the translation mechanism for the nuclear magnetic resonance apparatus is further ensured, and the accuracy of the inspection result is favorably ensured.

In order to improve stop device 11's action flexibility, the utility model provides a driving lever 112 afterbody is articulated with the power take off end of cylinder 111, is provided with the switching axle 115 of being connected with fixed case 2 on the driving lever 112, and ratchet 113 sets up the one end of keeping away from switching axle 115 on driving lever 112, and the one end that driving lever 112 was kept away from to cylinder 111 articulates on fixed case 2's interior bottom or lateral wall. In this way, while the cylinder 111 drives the tail of the shift lever 112, the head of the shift lever 112, i.e., the ratchet 113, rotates around the rotation shaft 115, so as to be clamped with the toothed plate 114, thereby achieving the purpose of limiting, and as long as the piston rod of the cylinder 111 is withdrawn, the movable box 3 can be released, and the movable box 3 can continuously and automatically lift under the action of the rack 6, the toothed shaft 7, the transmission belt 8 and the speed reduction motor 10.

In order to improve the job stabilization nature of pinion 7, the utility model discloses be provided with a pair of support frame 12 about the 21 symmetric distributions of open slot in the inside of fixed case 2, with the installation characteristics looks adaptation of pinion 7 moreover, the top of support frame is the inclined plane and is provided with the shaft hole that is used for supporting pinion 7, still is provided with the axle head complex bearing with the pinion in the shaft hole.

In order to improve this device to 3 nuclear magnetic resonance appearance bed body translation mechanism 13's for movable box support stability, the utility model discloses the top both sides of movable box 3 be provided with circular bead 31, circular bead 31 be used for with the nuclear magnetic resonance appearance with the cooperation of bed body translation mechanism 13, nuclear magnetic resonance appearance for the bed body translation mechanism 13 include with circular bead complex tailstock support 131 and with circular bead complex buffering support 132. The bed tail support 131 is connected with the shoulder through screws to ensure the synchronization performance of the bed body translation mechanism 13 and the movable box 3 for the nuclear magnetic resonance apparatus, and the buffer support 132 can absorb and release some vibration potential energy, which is beneficial to improving the assembly stability of the bed body translation mechanism 13 for the nuclear magnetic resonance apparatus.

In order to improve the utilization rate of the guider 4, the guider 4 comprises a C-shaped plate connected with the movable box 3, and a guide block connected with the movable box 3 is arranged on the inner side of the C-shaped plate. The guider 4 has reasonable design and simple structure, can effectively avoid the situation that the movable box 3 is turned over, and ensures the stability of the movable box 3 moving along the surface of the fixed box 2; and the working length can be processed and manufactured according to the actual length requirement condition so as to meet the requirements of the lifting action and the horizontal extension distance of the movable box 3.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a bed body elevating system for nuclear magnetic resonance spectrometer, includes the base, its characterized in that, be provided with a pair of fixed case and the movable box that is wedge complex on the base, the bottom surface of fixed case and the top surface of movable box are the horizontal plane, the both sides of fixed case and movable box are provided with a pair of sliding fit's director, the centre of movable box is provided with the enhancement baffle, the bottom of strengthening the baffle is run through the bottom surface of movable box and its both sides is provided with two racks, and the flank of tooth of two racks is carried on the back mutually, the top of fixed case is provided with the open slot that is used for holding the bottom of strengthening the baffle, the both sides of open slot are provided with many pairs and two driven shafts of teeth of rack toothing, the drive end of shaft is provided with the ratchet, the drive face dorsal part of drive belt is provided with the take-up pulley, the power input end of drive belt is provided with gear motor, the position that fixed case is close to its side is provided with stop gear, stop gear includes the cylinder, the power take off end of cylinder is provided with the driving lever, the tip of driving lever is provided with the bar ratchet, the top of fixed case is provided with the bar mouth relative with the activity range with the bar ratchet mouth, the pinion rack cooperation.

2. The bed body lifting mechanism for the nuclear magnetic resonance apparatus as claimed in claim 1, wherein the tail of the shift lever is hinged to the power output end of the cylinder, the shift lever is provided with an adapter shaft connected to the fixing box, and the ratchet is arranged at one end of the shift lever far away from the adapter shaft.

3. The bed lifting mechanism for nuclear magnetic resonance apparatus of claim 2, wherein a pair of supports is disposed inside the fixing box and symmetrically distributed about the open slot, and the top of the supports is an inclined plane and is used for supporting the gear shaft.

4. The bed lifting mechanism for nuclear magnetic resonance apparatus of claim 1, wherein shoulders are provided on both sides of the top of the movable box, the shoulders are used for matching with the bed translation mechanism for nuclear magnetic resonance apparatus, and the bed translation mechanism for nuclear magnetic resonance apparatus comprises a bed tail support matching with the shoulders and a buffer support matching with the shoulders.

5. The bed lifting mechanism for nuclear magnetic resonance apparatus of claim 1, wherein the guide comprises a C-shaped plate connected to the movable box, and a guide block connected to the movable box is disposed inside the C-shaped plate.