CN216454983U

CN216454983U - Nuclear magnetic resonance radio frequency coil heat sink

Info

Publication number: CN216454983U
Application number: CN202122811538.9U
Authority: CN
Inventors: 梅邹
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-05-10
Anticipated expiration: 2031-11-16

Abstract

The utility model belongs to the field of cooling equipment, and particularly relates to a nuclear magnetic resonance radio frequency coil cooling device which comprises a shell, wherein a double-shaft motor is fixedly arranged in the shell, transmission shafts are respectively arranged on two output shafts of the double-shaft motor, two connecting shafts are rotatably arranged on the inner wall of the top of the shell, a transmission mechanism is arranged between each transmission shaft and each connecting shaft, fan blades are fixedly arranged at the top ends of the connecting shafts, a rotating shaft is rotatably arranged on the inner wall of the bottom of the shell, a cam is fixedly arranged at the top end of each rotating shaft, a linkage mechanism is arranged between each transmission shaft and each rotating shaft, a plurality of rotating shafts are rotatably arranged on the inner wall of the front side and the inner wall of the rear side of the shell, a plurality of guide plates are fixedly arranged on the rotating shafts, connecting gears are arranged on the rotating shafts, and rack plates are slidably arranged on the inner wall of the shell. The nuclear magnetic resonance radio frequency coil cooling device is reasonable in design, and can perform comprehensive blast cooling on the nuclear magnetic resonance radio frequency coil through rotation of the fan blades and swing of the guide plate.

Description

Nuclear magnetic resonance radio frequency coil heat sink

Technical Field

The utility model relates to the technical field of cooling equipment, in particular to a nuclear magnetic resonance radio frequency coil cooling device.

Background

Nuclear magnetic resonance radio frequency coil has become the requisite equipment of a common image inspection, nuclear magnetic resonance imaging radio frequency coil is as a neotype image inspection technique, can not influence human health, in-process radio frequency coil can generate heat at nuclear magnetic resonance radio frequency coil's use, consequently need use the heat sink to cool down radio frequency coil, avoid radio frequency coil's high temperature, the cooling of blowing fan through the heat sink carries out the blast air, but the blast air has the dead angle, make nuclear magnetic resonance radio frequency coil cooling abundant, influence nuclear magnetic resonance radio frequency coil cooling efficiency, therefore we have proposed a nuclear magnetic resonance radio frequency coil heat sink and are used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that dead angles exist in air blowing, so that a nuclear magnetic resonance radio frequency coil is fully cooled, and the cooling efficiency of the nuclear magnetic resonance radio frequency coil is affected in the prior art, and provides a nuclear magnetic resonance radio frequency coil cooling device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a nuclear magnetic resonance radio frequency coil heat sink, which comprises a housin, fixed mounting has the biax motor in the casing, all install the transmission shaft on two output shafts of biax motor, rotate on the top inner wall of casing and install two connecting axles, be equipped with drive mechanism between transmission shaft and the connecting axle, the top fixed mounting of connecting axle has the flabellum, it installs the rotation axis to rotate on the bottom inner wall of casing, the top fixed mounting of rotation axis has the cam, be equipped with link gear between transmission shaft and the rotation axis, rotate on the front side inner wall of casing and on the rear side inner wall and install a plurality of axis of rotation, fixed mounting has a plurality of deflectors in the axis of rotation, install the connecting gear in the axis of rotation, slidable mounting has the rack board on the inner wall of casing, the rack is installed at the top of rack board, and the rack meshes with connecting gear mutually, and cam rack board looks adaptation.

Preferably, a return spring is installed at one side of the rack plate, and one end of the return spring is fixedly arranged on the inner wall of the shell.

Preferably, the transmission mechanism comprises two bevel gears, the two bevel gears are respectively and fixedly arranged on the connecting shaft and the output shaft of the double-shaft motor, and the two bevel gears are meshed with each other.

Preferably, the linkage mechanism comprises a worm and a worm wheel, the worm is fixedly arranged on the transmission shaft, the worm wheel is fixedly arranged on the rotating shaft, and the worm is meshed with the worm wheel.

Preferably, a stabilizing seat is installed in the housing, a guide hole is formed in the stabilizing seat, and the rack plate is slidably connected with the guide hole.

Preferably, the other end of the rack plate is fixedly provided with a push plate, and the cam is matched with the push plate.

The utility model has the beneficial effects that:

1. the shell is arranged on the shell of the nuclear magnetic resonance radio frequency coil, and the double-shaft motor can drive the transmission shaft to rotate through the transmission mechanism by starting the double-shaft motor, so that the fan blades can synchronously rotate with the transmission shaft, and the nuclear magnetic resonance radio frequency coil can be cooled by blowing air through the rotation of the fan blades;

2. through the cooperation of transmission shaft, worm and worm wheel, the transmission shaft can drive the rotation axis and rotate for the cam can carry out synchronous rotation with the rotation axis, through cam and reset spring's cooperation, can make rack plate control reciprocating motion, rack plate can drive axis of rotation and deflector through connecting the gear and swing, can lead to the wind of drum, can carry out comprehensive blast air cooling to nuclear magnetic resonance radio frequency coil.

Drawings

Fig. 1 is a schematic perspective view of a nuclear magnetic resonance radio frequency coil cooling device according to the present invention;

FIG. 2 is a schematic diagram of a front view of a nuclear magnetic resonance RF coil cooling device according to the present invention;

FIG. 3 is a schematic structural view of a portion A of a nuclear magnetic resonance RF coil cooling device according to the present invention;

fig. 4 is a schematic structural diagram of a part B of a nuclear magnetic resonance radio frequency coil cooling device according to the present invention.

In the figure: 1. a housing; 2. a double-shaft motor; 3. a drive shaft; 4. a connecting shaft; 5. a fan blade; 6. a transmission mechanism; 7. a rotating shaft; 8. a worm; 9. a worm gear; 10. a cam; 11. a rotating shaft; 12. a guide plate; 13. a connecting gear; 14. a stabilizing base; 15. a rack plate; 16. a rack; 17. a return spring.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present, and the "disposed" refers to an existing connection, whether connected, mounted, secured, or permanently connected. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

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 herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, a nuclear magnetic resonance radio frequency coil cooling device comprises a housing 1, a double-shaft motor 2 is fixedly installed in the housing 1, transmission shafts 3 are installed on two output shafts of the double-shaft motor 2, two connecting shafts 4 are rotatably installed on the inner wall of the top of the housing 1, a transmission mechanism 6 is arranged between the transmission shafts 3 and the connecting shafts 4, fan blades 5 are fixedly installed at the top ends of the connecting shafts 4, a rotating shaft 7 is rotatably installed on the inner wall of the bottom of the housing 1, a cam 10 is fixedly installed at the top end of the rotating shaft 7, a linkage mechanism is arranged between the transmission shafts 3 and the rotating shaft 7, a plurality of rotating shafts 11 are rotatably installed on the inner wall of the front side and the inner wall of the rear side of the housing 1, a plurality of guide plates 12 are fixedly installed on the rotating shafts 11, connecting gears 13 are installed on the rotating shafts 11, rack plates 15 are slidably installed on the inner wall of the housing 1, and racks 16 are installed on the tops of the rack plates 15, and the rack 16 is engaged with the connecting gear 13 and the cam 10 is fitted with the rack plate 15.

In this embodiment, return spring 17 is installed to one side of rack plate 15, and return spring 17's one end is fixed to be set up on the inner wall of casing 1, and through being provided with return spring 17, return spring 17 can promote rack plate 15 and reset.

In this embodiment, drive mechanism 6 includes two bevel gears, and two bevel gears are fixed the setting respectively on connecting axle 4 and two shaft motor 2's output shaft, and two bevel gears mesh mutually, and shaft motor 2 can drive connecting axle 4 through drive mechanism 6 and rotate.

In this embodiment, the link gear includes worm 8 and worm wheel 9, and worm 8 is fixed to be set up on transmission shaft 3, and worm wheel 9 is fixed to be set up on rotation axis 7, and worm 8 meshes with worm wheel 9 mutually, and transmission shaft 3 passes through the link gear and drives rotation axis 7 and rotate.

In this embodiment, the stabilizing base 14 is installed in the housing 1, the guide hole is formed in the stabilizing base 14, and the rack plate 15 is slidably connected to the guide hole, so that the rack plate 15 can be stably moved by the guide hole.

In this embodiment, the other end of the rack plate 15 is fixedly provided with a push plate, and the cam 10 and the push plate are matched, so that the rack plate 15 can move left and right in a reciprocating manner through the matching of the cam 10 and the return spring 17.

According to the utility model, the shell 1 is arranged on the shell of the nuclear magnetic resonance radio frequency coil, the double-shaft motor 2 is started, the double-shaft motor 2 can drive the transmission shaft 3 to rotate through the transmission mechanism 6, so that the fan blades 5 can synchronously rotate with the transmission shaft 3, the nuclear magnetic resonance radio frequency coil can be cooled by blowing air through the rotation of the fan blades 5, the transmission shaft 3 can drive the rotating shaft 7 to rotate through the cooperation of the transmission shaft 3, the worm 8 and the worm wheel 9, so that the cam 10 can synchronously rotate with the rotating shaft 7, the rack plate 15 can reciprocate left and right through the cooperation of the cam 10 and the reset spring 17, the rack plate 15 can drive the rotating shaft 11 and the guide plate 12 to swing through the connecting gear 13, the air of the drum can be guided, and the nuclear magnetic resonance radio frequency coil can be cooled by blowing air comprehensively.

The nuclear magnetic resonance radio frequency coil cooling device provided by the utility model is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are set forth only to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a nuclear magnetic resonance radio frequency coil heat sink, includes casing (1), its characterized in that, fixed mounting has biax motor (2) in casing (1), all install transmission shaft (3) on two output shafts of biax motor (2), rotate on the top inner wall of casing (1) and install two connecting axles (4), be equipped with drive mechanism (6) between transmission shaft (3) and connecting axle (4), the top fixed mounting of connecting axle (4) has flabellum (5), rotate on the bottom inner wall of casing (1) and install rotation axis (7), the top fixed mounting of rotation axis (7) has cam (10), be equipped with link gear between transmission shaft (3) and rotation axis (7), rotate on the front side inner wall of casing (1) and on the rear side inner wall and install a plurality of axis of rotation (11), fixed mounting has a plurality of deflector (12) on axis of rotation (11), install connecting gear (13) on axis of rotation (11), slidable mounting has rack plate (15) on the inner wall of casing (1), rack (16) are installed at the top of rack plate (15), just rack (16) mesh with connecting gear (13) mutually, cam (10) and rack plate (15) looks adaptation.

2. The nuclear magnetic resonance radio frequency coil cooling device according to claim 1, wherein a return spring (17) is installed on one side of the rack plate (15), and one end of the return spring (17) is fixedly arranged on the inner wall of the shell (1).

3. The cooling device for the nuclear magnetic resonance radio frequency coil according to claim 1, wherein the transmission mechanism (6) comprises two bevel gears, the two bevel gears are respectively and fixedly arranged on the connecting shaft (4) and the output shaft of the double-shaft motor (2), and the two bevel gears are meshed with each other.

4. The nuclear magnetic resonance radio frequency coil cooling device according to claim 1, wherein the linkage mechanism comprises a worm (8) and a worm wheel (9), the worm (8) is fixedly arranged on the transmission shaft (3), the worm wheel (9) is fixedly arranged on the rotating shaft (7), and the worm (8) is meshed with the worm wheel (9).

5. The nuclear magnetic resonance radio frequency coil cooling device according to claim 1, wherein a stabilizing base (14) is installed in the housing (1), a guide hole is formed in the stabilizing base (14), and the rack plate (15) is slidably connected with the guide hole.

6. The nuclear magnetic resonance radio frequency coil cooling device according to claim 1, wherein a push plate is fixedly arranged at the other end of the rack plate (15), and the cam (10) is matched with the push plate.