CN217852964U - External winding coil support for medical nuclear magnetic resonance machine - Google Patents

Abstract

The utility model belongs to the field of nuclear magnetic resonance machines, in particular to an externally wound coil support for a medical nuclear magnetic resonance machine, which comprises a fixing ring, a cylinder body, a coil framework, a shielding ring framework, a screw and a connecting rod; the side surface of the fixing ring is provided with an annular groove; it is a pair of gu fixed ring is the symmetry and establishes at the both ends of barrel, through setting up the screw rod, the inserted bar, the connecting rod, connecting rod and inserted block, when the installation, the staff is through rotatory screw rod, it removes to drive the connecting rod with this, thereby it removes to drive the inserted block through the connecting rod, later the inserted block inserts in the slot of inserted bar, with this fixed to accomplish coil skeleton and shield ring skeleton, rely on above-mentioned setting to accomplish solid fixed ring and barrel, coil skeleton and shield ring skeleton's fixed, it is connected comparatively portably, consequently, the staff of being convenient for installs and dismantles, thereby can be convenient for maintain and overhaul in the later stage.

Description

External winding coil support for medical nuclear magnetic resonance machine

Technical Field

The utility model relates to a nuclear magnetic resonance machine field specifically is a medical treatment nuclear magnetic resonance machine is with outer coil winding support.

Background

Nuclear magnetic resonance machines are medical devices that are used in nuclear magnetic resonance imaging techniques to provide a greater amount of information than many other imaging techniques in medical imaging.

In the prior art, a coil support mainly comprises a coil framework and a shielding ring framework, fixing rings are arranged at two ends of the coil framework and the shielding ring framework, and the fixing rings are fixed with the coil framework and the shielding ring framework through fixing mechanisms.

However, the existing fixing mechanism is complex to install and disassemble, and is not beneficial to disassembly by workers, so that the later maintenance and overhaul of the workers are inconvenient; therefore, an outer winding coil bracket for a medical nuclear magnetic resonance machine is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to compensate prior art's not enough, it is comparatively loaded down with trivial details to solve current fixed establishment installation dismantlement, is unfavorable for the staff to dismantle to the staff later stage of being not convenient for maintains and overhauls the problem, the utility model provides a medical treatment nuclear magnetic resonance machine is with outer winding coil support.

The utility model provides a technical scheme that its technical problem adopted is: the externally wound coil bracket for the medical nuclear magnetic resonance machine comprises a fixing ring, a barrel, a coil framework, a shielding ring framework, a screw and a connecting rod; the side surface of the fixing ring is provided with an annular groove; the pair of fixing rings are symmetrically arranged at two ends of the barrel body; the cylinder body is inserted into the annular groove and is in sliding connection with the annular groove; the coil framework is sleeved on the cylinder body; the shielding ring framework is sleeved on the coil framework; two groups of inserted rods are symmetrically and fixedly connected to the two sides of the coil framework and the two sides of the shielding ring framework; the fixing ring is provided with a plurality of insertion holes at positions corresponding to the insertion rods; a groove is formed in one side, away from the coil framework, of the fixing ring; the inserting rod is provided with an inserting groove; the screw is rotationally connected to the side wall of the groove; the screw rod penetrates through the connecting rod and is connected with the connecting rod through threads; two ends of the connecting rod are symmetrically hinged with a pair of connecting rods; the end part of the connecting rod is hinged with an inserting block; the inserted block is a trapezoidal block, the fixing of the fixing ring, the barrel, the coil framework and the shielding ring framework is completed by means of the arrangement, the connection is simple and convenient, and therefore workers can install and detach conveniently, and the later maintenance and overhaul can be facilitated.

Preferably, the end part of the screw rod is fixedly connected with a gear; a chain is sleeved on the gear; one of the group of screw rods is fixedly connected with a worm wheel; a worm is rotatably connected to the side wall of the groove; the worm is intermeshing with the worm wheel to this drives a plurality of gears through the chain and rotates, thereby accomplishes a plurality of screws and rotates, with this can be convenient for the staff and install, work load when reducing the installation.

Preferably, a sliding groove is formed in one side, close to the shielding ring framework, of the groove; the sliding chute is connected with a sliding block in a sliding manner; the sliding block is a T-shaped block; the slider is fixedly connected with the side wall of the insertion block, and the insertion block is positioned and guided through the slider, so that the insertion block can move more stably.

Preferably, a clamping groove is formed in the side surface of the inserted link; a sliding hole is formed in the position, corresponding to the clamping groove, of the inserted bar; a clamping block is connected in the sliding hole in a sliding manner; a spring is fixedly connected between the top side of the fixture block and the top side of the sliding hole; the clamping block is inserted into the clamping groove and is in sliding connection with the clamping groove, so that the inserted rod and the fixing ring can be simply fixed, and a worker does not need to hold the supporting fixing ring all the time, so that the installation of the worker can be facilitated.

Preferably, one side of the annular groove, which is far away from the groove, is provided with a limiting groove; the inner side walls at the two ends of the cylinder body are fixedly connected with lugs at positions corresponding to the limiting grooves; the lug is connected with the limiting groove in a sliding mode, so that the barrel can be fixed and is not prone to rotating.

Preferably, a rotating disc is fixedly connected to the worm; a group of handles are arranged on the rotating disc in a surrounding array mode; the handle is hinged on the rotating disc, so that the worm can be conveniently rotated by a worker.

The utility model discloses an useful part lies in:

1. the utility model discloses a set up the screw rod, the inserted bar, the connecting rod, connecting rod and inserted block, when the installation, the staff is through rotatory screw rod, with this drive connecting rod remove, thereby it removes to drive the inserted block through the connecting rod, later the inserted block inserts in the slot of inserted bar, with this completion to coil skeleton and shield circle skeleton fixed, rely on above-mentioned setting to accomplish solid fixed ring and barrel, coil skeleton and shield circle skeleton fixed, it is connected comparatively portably, consequently, the staff of can being convenient for installs and dismantles, thereby can be convenient for the later stage maintain and overhaul.

2. The utility model discloses a set up the gear, the chain, worm wheel and worm, when the installation, the rotatory worm of staff, then the worm drives the worm wheel and rotates, the worm wheel drives the screw rod and rotates, it rotates to drive the gear through the screw rod, drive a plurality of gears through the chain with this and rotate, thereby accomplish a plurality of screw rods and rotate, with this can be convenient for the staff and install, reduce the work load when installing, through setting up worm wheel and worm, with this can fix the screw rod, make its screw rod difficult reverse the rotation, thereby make it difficult to cause the influence to fixed effect.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly introduced, obviously, the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a retaining ring according to an embodiment I;

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the first embodiment;

FIG. 3 is a partially enlarged view of the first embodiment at B in FIG. 2;

FIG. 4 is a schematic view of the worm according to the first embodiment;

fig. 5 is a schematic view of a framework structure of a shielding ring according to the first embodiment;

fig. 6 is a schematic structural view of the rubber boot in the second embodiment.

In the figure: 11. a fixing ring; 12. a groove; 13. a barrel; 14. a coil former; 15. a shielding ring framework; 16. inserting a rod; 17. a screw; 18. a connecting rod; 19. a connecting rod; 191. inserting a block; 21. a gear; 22. a chain; 23. a worm gear; 24. a worm; 31. a chute; 32. a slider; 41. a bump; 42. a limiting groove; 51. a slide hole; 52. a clamping block; 53. a card slot; 61. rotating the disc; 62. a grip; 7. a rubber sleeve.

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 efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-5, an externally wound coil support for a medical nuclear magnetic resonance machine includes a fixing ring 11, a cylinder 13, a coil frame 14, a shielding ring frame 15, a screw 17 and a connecting rod 18; an annular groove is formed in the side face of the fixing ring 11; the pair of fixing rings 11 are symmetrically arranged at two ends of the barrel body 13; the cylinder body 13 is inserted into the annular groove and is in sliding connection with the annular groove; the coil framework 14 is sleeved on the cylinder body 13; the shielding ring framework 15 is sleeved on the coil framework 14; two groups of inserted rods 16 are symmetrically and fixedly connected to two sides of the coil framework 14 and the shielding coil framework 15; the fixing ring 11 is provided with a jack at the position corresponding to the inserted link 16; a groove 12 is formed in one side, away from the coil framework 14, of the fixing ring 11; the inserting rod 16 is provided with a slot; the screw 17 is rotationally connected to the side wall of the groove 12; the screw 17 penetrates through the connecting rod 18 and is connected with the connecting rod through threads; a pair of connecting rods 19 are symmetrically hinged to two ends of the connecting rod 18; the end part of the connecting rod 19 is hinged with an inserting block 191; the inserting block 191 is a trapezoidal block; when the fixing device is installed, a worker inserts the cylinder 13 into an annular groove of the fixing ring 11, penetrates the insertion holes through the insertion rods 16 on the side faces of the coil framework 14 and the shielding ring framework 15, then inserts another fixing ring 11 into the cylinder 13 after the insertion is completed, then rotates the screw 17, drives the connecting rod 18 to move, then moves the connecting rod 18 to drive the insertion block 191 to move, then moves the insertion block 191 to insert the insertion block 191 into the insertion groove to fix the insertion rod 16, so that the shielding ring framework 15 and the coil framework 14 are fixed, then continues to rotate the screw 17, then pulls the insertion rod 16 to move under the inclined surface effect of the insertion block 191, so that the fixing ring 11 is tightly attached to the side faces of the coil framework 14 and the shielding ring framework 15, the fixing is completed, the screw 17 is rotated reversely, drives the insertion block 191 to move and reset under the inclined surface effect, then the fixing of the insertion rod 16 is released, then the fixing ring 11 is pulled out, the coil framework 11 is connected with the shielding ring framework 13, the shielding ring framework 15 is connected with the fixing ring framework, the fixing ring framework 15, and the barrel is convenient to maintain, and the barrel 15, and the fixing ring can be conveniently installed and repaired and conveniently by the worker at the later period.

A gear 21 is fixedly connected to the end part of the screw 17; a chain 22 is sleeved on the gear 21; one of the set of screw rods 17 is fixedly connected with a worm wheel 23; a worm 24 is rotatably connected to the side wall of the groove 12; the worm 24 is meshed with the worm wheel 23; when the installation, the rotatory worm 24 of staff, then worm 24 drives worm wheel 23 and rotates, worm wheel 23 drives screw rod 17 and rotates, it rotates to drive gear 21 through screw rod 17, it is rotatory to drive a plurality of gears 21 through chain 22 with this, thereby it rotates to accomplish a plurality of screw rods 17, with this can be convenient for the staff to install, reduce the work load during installation, through setting up worm wheel 23 and worm 24, with this can fix screw rod 17, make its screw rod 17 difficult reverse rotation, thereby make it difficult to cause the influence to fixed effect.

One side of the groove 12 close to the shielding ring framework 15 is provided with a sliding groove 31; the sliding chute 31 is internally and slidably connected with a sliding block 32; the slide block 32 is a T-shaped block; the sliding block 32 is fixedly connected with the side wall of the insertion block 191; a clamping groove 53 is formed in the side surface of the inserted link 16; a slide hole 51 is formed at the position of the inserted link 16 corresponding to the clamping groove 53; a clamping block 52 is slidably connected in the sliding hole 51; a spring is fixedly connected between the top side of the clamping block 52 and the top side of the sliding hole 51; the clamping block 52 is inserted into the clamping groove 53 and is connected with the clamping groove in a sliding mode; when the plug block 191 moves, the sliding block 32 can slide in the sliding groove 31, the plug block 191 is positioned and guided through the sliding block 32, so that the plug block 191 moves more stably, in the process that the plug rod 16 penetrates through the jack, the clamping block 52 can slide into the sliding hole 51 under the action of the hemispherical end portion of the clamping block 52, the spring is compressed, after the plug rod 16 is inserted to a certain distance, the clamping block 52 is aligned with the sliding hole 51, and then the spring extends, so that the clamping block 52 extends out of the clamping groove 53 and is inserted into the clamping groove 53, the plug rod 16 and the fixing ring 11 can be simply fixed, and a worker does not need to support the fixing ring 11 all the time, so that the installation by the worker can be facilitated.

A limiting groove 42 is formed in one side, away from the groove 12, of the annular groove; the inner side walls at the two ends of the cylinder body 13 are fixedly connected with the lugs 41 at the positions corresponding to the limiting grooves 42; the lug 41 is connected with the limiting groove 42 in a sliding manner; a rotating disc 61 is fixedly connected to the worm 24; a group of handles 62 are arranged on the rotating disc 61 in a surrounding array; the handle 62 is hinged on the rotating disc 61; when the worm 24 is installed, a worker inserts the cylinder body 13 into the annular groove, and when the worm 24 is inserted into the annular groove, the lug 41 on the cylinder body 13 is inserted into the limiting groove 42, so that the cylinder body 13 can be fixed and is not easy to rotate, and when the worm 24 is installed, the worm can be conveniently rotated by the worker through the handle 62.

Example two

Referring to fig. 6, as another embodiment of the present invention, in the first comparative example, a rubber sleeve 7 is fixedly connected to the surface of the handle 62, and when the hand grip is installed, the rubber sleeve 7 is disposed, so that the friction between the palm and the handle 62 can be increased, thereby achieving the anti-slip effect and facilitating the rotation of the handle 62 by the operator.

In the working principle, when the fixing device is installed, a worker inserts a cylinder body 13 into an annular groove of a fixing ring 11, simultaneously inserts insertion rods 16 on the side surfaces of a coil frame 14 and a shielding ring frame 15 through insertion holes, then after the insertion is finished, the worker sleeves another fixing ring 11 on the cylinder body 13, then rotates a screw rod 17, then the screw rod 17 drives a connecting rod 18 to move, then the connecting rod 18 moves to drive an insertion block 191 to move, then the insertion block 191 moves to be inserted into the insertion groove to fix the insertion rod 16, so that the shielding ring frame 15 and the coil frame 14 are fixed, then the screw rod 17 continues to rotate, then under the inclined surface effect of the insertion block 191, the insertion rod 16 is pulled to move, so that the fixing ring 11 is tightly attached to the side surfaces of the coil frame 14 and the shielding ring frame 15, the fixing is finished, and by arranging a plurality of insertion rods 16, therefore, the fixing effect can be improved, when the fixing is needed, the screw 17 is rotated reversely, then the screw 17 drives the insert block 191 to move and reset, then the fixing of the insert rod 16 is released, then the fixing ring 11 is drawn out, the fixing of the fixing ring 11, the cylinder 13, the coil framework 14 and the shielding ring framework 15 is completed by the arrangement, the connection is simple and convenient, so that the fixing and the dismounting can be conveniently carried out by workers, the later maintenance and the overhaul can be conveniently carried out, when the fixing is carried out, the workers rotate the worm 24, then the worm 24 drives the worm wheel 23 to rotate, the worm wheel 23 drives the screw 17 to rotate, the gear 21 is driven by the screw 17 to rotate, the plurality of gears 21 are driven by the chain 22 to rotate, the rotation of the plurality of screws 17 is completed, the installation by the workers can be conveniently carried out, the workload during the installation is reduced, the worm wheel 23 and the worm 24 are arranged, so that the screw 17 can be fixed, the screw 17 is not easy to rotate reversely, the fixing effect is not easy to be affected, the insert 191 moves, the slide block 32 slides in the slide groove 31, the insert 191 is positioned and guided through the slide block 32, the insert moves more stably, the insert 52 slides into the slide hole 51 under the action of the hemispherical end of the insert 52 in the process that the insert 16 penetrates through the jack, the spring is compressed, the insert 52 is aligned with the slide hole 51 after the insert 16 is inserted for a certain distance, the spring extends, the insert 52 extends into the clamp groove 53, so that the insert 16 and the fixing ring 11 can be fixed simply, a worker does not need to support the fixing ring 11 all the time, so that the worker can conveniently install the worm, when the worker installs the cylinder 13 is inserted into the annular groove, the projection 41 on the cylinder 13 is inserted into the limiting groove 42 while the insert the cylinder 13 into the limiting groove 42, so that the cylinder 13 can be fixed, so that the worm is not easy to rotate, the worm 24 can be arranged, and the worker can conveniently rotate the worm when the worm 24 is installed.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims (6)

1. The utility model provides a medical treatment is outer coil support of winding for nuclear magnetic resonance machine which characterized in that: comprises a fixed ring (11), a cylinder body (13), a coil framework (14), a shielding ring framework (15), a screw (17) and a connecting rod (18); an annular groove is formed in the side surface of the fixing ring (11); the pair of fixing rings (11) are symmetrically arranged at two ends of the cylinder body (13); the cylinder body (13) is inserted into the annular groove and is connected with the annular groove in a sliding way; the coil framework (14) is sleeved on the barrel body (13); the shielding ring framework (15) is sleeved on the coil framework (14); two sides of the coil framework (14) and the shielding ring framework (15) are symmetrically and fixedly connected with two groups of inserted rods (16); the fixing ring (11) is provided with a jack at the position corresponding to the inserted rod (16); a groove (12) is formed in one side, away from the coil framework (14), of the fixing ring (11); the inserting rod (16) is provided with a slot; the screw (17) is rotationally connected to the side wall of the groove (12); the screw (17) penetrates through the connecting rod (18) and is connected with the connecting rod through threads; two ends of the connecting rod (18) are symmetrically hinged with a pair of connecting rods (19); the end part of the connecting rod (19) is hinged with an inserting block (191); the inserting block (191) is a trapezoidal block.

2. The externally wound coil support for a medical nuclear magnetic resonance machine according to claim 1, characterized in that: a gear (21) is fixedly connected to the end part of the screw rod (17); a chain (22) is sleeved on the gear (21); one of the group of screw rods (17) is fixedly connected with a worm wheel (23); a worm (24) is rotatably connected to the side wall of the groove (12); the worm (24) is meshed with the worm wheel (23).

3. The externally wound coil support for a medical nuclear magnetic resonance machine according to claim 2, characterized in that: one side of the groove (12) close to the shielding ring framework (15) is provided with a sliding groove (31); the sliding chute (31) is connected with a sliding block (32) in a sliding way; the sliding block (32) is a T-shaped block; the sliding block (32) is fixedly connected with the side wall of the insertion block (191).

4. The externally wound coil support for the medical nuclear magnetic resonance machine according to claim 3, characterized in that: a clamping groove (53) is formed in the side surface of the inserted link (16); a sliding hole (51) is formed in the position, corresponding to the clamping groove (53), of the inserted link (16); a clamping block (52) is connected in the sliding hole (51) in a sliding manner; a spring is fixedly connected between the top side of the clamping block (52) and the top side of the sliding hole (51); the clamping block (52) is inserted into the clamping groove (53) and is connected with the clamping groove in a sliding mode.

5. The externally wound coil support for the medical nuclear magnetic resonance machine according to claim 4, characterized in that: a limiting groove (42) is formed in one side, away from the groove (12), of the annular groove; the inner side walls at the two ends of the cylinder body (13) are fixedly connected with a lug (41) at the position corresponding to the limiting groove (42); the lug (41) is connected with the limiting groove (42) in a sliding mode.

6. The externally wound coil support for the medical nuclear magnetic resonance machine according to claim 5, characterized in that: a rotating disc (61) is fixedly connected to the worm (24); a group of handles (62) are arranged on the rotating disc (61) in a surrounding array; the handle (62) is hinged on the rotating disc (61).

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