CN216447370U

CN216447370U - Damping mechanism of nuclear magnetic resonance imaging device

Info

Publication number: CN216447370U
Application number: CN202123094712.9U
Authority: CN
Inventors: 毛德茂
Original assignee: First Peoples Hospital of Longquanyi District Chengdu
Current assignee: First Peoples Hospital of Longquanyi District Chengdu
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-05-06
Anticipated expiration: 2031-12-10

Abstract

The utility model discloses a damping mechanism of a nuclear magnetic resonance imaging device, which comprises an imaging device, wherein the imaging device comprises a bed body, a bed seat and a bed hoop; the bed comprises a damping device, a conduction assembly and a tightening assembly, wherein the conduction assembly and the tightening assembly form equipment for adjusting the tightness of a bed body and a bed base by using a bed hoop; in particular to the technical field of damping of nuclear magnetic resonance imaging devices. This magnetic resonance imaging device's damper, owing to be provided with damping device, when the vibrations that the refrigerator produced are conducted to the ground through imaging device, imaging device's shock attenuation operation can be carried out to the effect through damping spring, the former vibrations of ground vibrations interference have been solved, influence the problem of magnetic resonance device's formation of image effect, and simultaneously, because the equipment that utilizes the bed hoop to adjust bed body and bed seat elasticity is constituteed to conduction subassembly and elasticity subassembly, can reduce the space between the bed body and the bed seat, increase damping area, promote damping spring absorbing effect.

Description

Damping mechanism of nuclear magnetic resonance imaging device

Technical Field

The utility model belongs to the technical field of damping of nuclear magnetic resonance imaging devices, and particularly relates to a damping mechanism of a nuclear magnetic resonance imaging device.

Background

The nuclear magnetic resonance imaging, also called spin imaging, also called magnetic resonance imaging, is based on the principle of nuclear magnetic resonance, and based on the different attenuation of the released energy in different structural environments inside the material, the position and kind of the object's nuclei can be known by detecting the emitted electromagnetic waves with an external gradient magnetic field, so that the structural image inside the object can be drawn, and the technology is used for imaging the internal structure of the human body, thus producing a revolutionary medical diagnostic tool.

Because the refrigerator that nuclear magnetic resonance imaging system adopted can shake when working, after vibrations are conducted to ground through the nuclear magnetic resonance device, can guide ground to produce the vibrations of different wavelength and interfere former vibrations activity, influence the formation of image effect of nuclear magnetic resonance device.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a damping mechanism of a magnetic resonance imaging apparatus to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: a damping mechanism of a nuclear magnetic resonance imaging device comprises an imaging device, wherein the imaging device comprises a bed body, a bed seat and a bed hoop; the bed comprises a damping device, a conduction assembly and a tightening assembly, wherein the conduction assembly and the tightening assembly form equipment for adjusting the tightness of a bed body and a bed base by using a bed hoop; the damping device comprises a damping plate arranged inside the bed seat, a connecting plate arranged outside the bed seat and a damping spring, wherein the damping plate and the connecting plate are respectively arranged at two ends of the damping spring.

Preferably, the inside of shock attenuation board and connecting plate all is provided with the pogo pin, the pogo pin is used for fixed damping spring's both ends.

Preferably, the conducting assembly comprises a rocking handle and a gear transmission shaft; the elastic component comprises a turntable, a crankshaft, a crank, a hinge, a piston and a limit cover; the gear transmission shaft is composed of two gear shafts which are vertically meshed, one of the gear shafts is connected with the rocking handle, the other gear shaft is connected with the turntable, the crank shaft is arranged at the eccentric position of the turntable and is movably connected with the crank, and the crank is hinged with the piston through a hinge.

Preferably, the outer side of the gear transmission shaft is sleeved with a protective shell.

Preferably, one side of the damping plate is provided with a connecting plate with a handle.

Preferably, the spring needle is provided with a single-end sharp structure.

Compared with the prior art, the utility model has the following beneficial effects:

(1) this nuclear magnetic resonance imaging device's damper, owing to be provided with damping device, when the vibrations that the refrigerator produced are conducted ground through imaging device, imaging device's shock attenuation operation can be carried out to the effect through damping spring, the former vibrations of ground vibrations interference have been solved, influence the problem of nuclear magnetic resonance device's imaging effect, and simultaneously, because the equipment that utilizes the bed hoop to adjust bed body and bed seat elasticity is constituteed to conduction subassembly and elasticity subassembly, can reduce the space between the bed body and the bed seat, increase shock attenuation area, promote damping spring absorbing effect.

(2) This magnetic resonance imaging device's damper, because be connected through spring pin and damping spring between connecting plate and the spring board, use excessively and when tired when damping spring, can take off damping spring and change through breaking away from damping spring and spring pin, can effectively prolong the holistic life of device.

Drawings

FIG. 1 is an assembly view of the present invention;

FIG. 2 is a schematic structural view of the shock absorbing device of the present invention;

FIG. 3 is a schematic view of the construction of the take-up assembly of the present invention;

FIG. 4 is a schematic structural view of a conductive assembly of the present invention;

FIG. 5 is a schematic view of the pogo pin of the present invention;

in the figure: 1. an imaging device; 11. a bed body; 12. a bed base; 13. a bed hoop; 2. a shock-absorbing device; 21. a damper plate; 22. a spring plate; 23. a damping spring; 24. a connecting plate; 25. a handle; 3. a conductive component; 31. a rocking handle; 32. a gear transmission shaft; 33. a protective shell; 4. a pogo pin; 5. a take-up assembly; 51. a turntable; 52. a crank shaft; 53. a crank; 54. a hinge; 55. a piston; 56. and a limiting cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: a damping mechanism of a nuclear magnetic resonance imaging device comprises an imaging device 1, wherein the imaging device 1 comprises a bed body 11, a bed seat 12 and a bed hoop 13; the bed comprises a damping device 2, a conduction assembly 3 and a tightening assembly 5, wherein the conduction assembly 3 and the tightening assembly 5 form equipment for adjusting the tightness of a bed body 11 and a bed base 12 by using a bed hoop 13; the damping device 2 comprises a damping plate 21 arranged inside the bed base 12, a connecting plate 24 arranged outside the bed base 12 and a damping spring 23, the damping plate 21 and the connecting plate 24 are respectively arranged at two ends of the damping spring 23, spring pins 4 are respectively arranged inside the damping plate 21 and the connecting plate 24, the spring pins 4 are respectively arranged inside the damping plate 21 and the connecting plate 24 at two ends of the spring pins 4 for fixing the damping spring 23, the spring pins 4 are used for fixing two ends of the damping spring 23, and the conduction assembly 3 comprises a rocking handle 31 and a gear transmission shaft 32; the take-up unit 5 comprises a turntable 51, a crankshaft 52, a crank 53, a hinge 54, a piston 55 and a limit cover 56; the gear transmission shaft 32 is composed of two gear shafts which are vertically meshed, one of the gear shafts is connected with the rocking handle 31, the other gear shaft is connected with the rotary table 51, the crank shaft 52 is arranged at the eccentric position of the rotary table 51, the crank shaft 52 is movably connected with the crank 53, the crank 53 is hinged with the piston 55 through the hinge 54, the outer side of the gear transmission shaft 32 is sleeved with the protective shell 33, one side of the damping plate 21 is provided with the connecting plate 24 with the handle 25, the spring needle 4 is in a single-end sharp structure, due to the arrangement of the damping device 2, when the vibration generated by the refrigerator is transmitted to the ground through the imaging device 1, the damping operation of the imaging device 1 can be carried out through the action of the damping spring 23, the problem that the ground vibration interferes with the original vibration and affects the imaging effect of the nuclear magnetic resonance device is solved, meanwhile, the elastic transmission component 3 and the elastic component 5 form a device which utilizes the bed hoop 13 to adjust the tightness of the bed body 11 and the bed base 12, can reduce the gap between the bed body 11 and the bed base 12, increase the damping area and improve the damping effect of the damping spring 23.

The refrigerator can generate vibration when the nuclear magnetic resonance imaging device is driven to work, the vibration can be transmitted to the whole body of the imaging device 1 to cause the vibration of the bed body 11 and the bed seat 12, the vibration can collide with the ground and generate additional vibration when being transmitted to the ground from the bed seat 12, if the vibration of the imaging device 1 interferes with the additional vibration generated by the ground, the amplitude of the imaging device 1 can be possibly increased, at the moment, the vibration transmitted from the imaging device 1 to the ground can be reduced through the damping spring 23 arranged in the bed seat 12, and therefore the influence of the vibration on the work of the imaging device 1 is reduced;

when damping spring 23 uses excessively and tired, can take off damping spring 23 and change through breaking away from damping spring 23 and pogo pin 4, then inside spring both ends after will changing fix to pogo pin 4 again, can effectively prolong the holistic life of device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A damping mechanism of a nuclear magnetic resonance imaging device is characterized in that:

the bed comprises an imaging device (1), wherein the imaging device (1) comprises a bed body (11), a bed base (12) and a bed hoop (13);

the bed comprises a damping device (2), a conduction assembly (3) and a tightening assembly (5), wherein the conduction assembly (3) and the tightening assembly (5) form equipment for adjusting the tightness of a bed body (11) and a bed base (12) by using a bed hoop (13);

damping device (2) are including setting up at inside shock attenuation board (21) of bed seat (12), setting at outside connecting plate (24) and damping spring (23) of bed seat (12), shock attenuation board (21) and connecting plate (24) are established respectively at the both ends of damping spring (23).

2. A vibration reducing mechanism for a magnetic resonance imaging apparatus according to claim 1, characterized in that: the damping plate (21) and the connecting plate (24) are internally provided with spring pins (4), and the spring pins (4) are used for fixing two ends of a damping spring (23).

3. A vibration reducing mechanism for a magnetic resonance imaging apparatus according to claim 1, characterized in that:

the conducting assembly (3) comprises a rocking handle (31) and a gear transmission shaft (32);

the tightening and loosening assembly (5) comprises a rotary disc (51), a crank shaft (52), a crank (53), a hinge (54), a piston (55) and a limit cover (56);

the gear transmission shaft (32) is composed of two gear shafts which are vertically meshed, one of the gear shafts is connected with the rocking handle (31), the other gear shaft is connected with the rotary table (51), the crank shaft (52) is arranged at the eccentric position of the rotary table (51), the crank shaft (52) is movably connected with the crank (53), and the crank (53) is hinged with the piston (55) through a hinge (54).

4. A vibration reducing mechanism for an mri apparatus according to claim 3, wherein: the outside cover of gear drive shaft (32) is equipped with protective housing (33).

5. A vibration reducing mechanism for a magnetic resonance imaging apparatus according to claim 1, characterized in that: one side of the damping plate (21) is provided with a connecting plate (24) with a handle (25).

6. A vibration reducing mechanism for a magnetic resonance imaging apparatus according to claim 2, characterized in that: the spring needle (4) is of a structure with a sharp single end.