CN217827845U

CN217827845U - Lifting connection structure of scanning bed of magnetic resonance imaging equipment

Info

Publication number: CN217827845U
Application number: CN202221046210.0U
Authority: CN
Inventors: 刘聪; 黄伟华
Original assignee: SHENZHEN RF TECH CO LTD
Current assignee: SHENZHEN RF TECH CO LTD
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-11-18
Anticipated expiration: 2032-04-29

Abstract

The utility model relates to a magnetic resonance imaging technical field specifically is a lift connection structure of scanning bed of magnetic resonance imaging equipment, including two bed boards, first support frame, second support frame, two first elevating gear and second elevating gear, bed board and first support frame fixed connection, first support frame and second support frame sliding connection, first elevating gear and first support frame fixed connection, first elevating gear and second support frame fixed connection, first elevating gear includes the first motor, second elevating gear and bed board swing joint, second elevating gear and first support frame fixed connection; the utility model discloses a screw drive is equipped with the elastic block at first threaded rod top, and the terminal card of elastic block can alleviate the friction between the screw thread on first screw thread cask internal thread or in the draw-in groove, has increased the life-span of using, and a bed board below has increased second elevating gear, can raise user of service's back, increases user of service's experience and feels.

Description

Lifting connection structure of scanning bed of magnetic resonance imaging equipment

Technical Field

The utility model relates to a magnetic resonance imaging technical field specifically is a magnetic resonance imaging device's scanning bed's lift connection structure.

Background

Magnetic resonance imaging systems are devices that generate two-dimensional or three-dimensional images of samples according to the magnetic resonance imaging principle, and are increasingly used in the field of medical diagnosis, magnetic resonance imaging is a type of tomographic imaging, and magnetic resonance imaging is used to obtain electromagnetic signals from a human body and reconstruct human body information. The drive mode of the scanning bed of the existing magnetic resonance imaging equipment mostly adopts the lifting of the scissor arms at two sides, the scissor arms at two sides are connected through a rotatable long shaft, the structure is installed and used, because the scissor arms at two sides are mutually pulled, the friction force between the long shaft and the scissor arms is large, the long shaft of the scissor arms and the inner lining of the long shaft are easily abraded, the single-side track single-side inclination of the up-and-down walking wheels of the scissor arms is caused, the scanning bed of the magnetic resonance imaging equipment is caused to generate the single-side offset, the service cycle of the whole equipment is short, and the patient of the scanning bed of the general magnetic resonance imaging equipment can only lie horizontally and can not be lifted up at the backrest. In view of this, we propose a lifting connection structure of a scanning bed of a magnetic resonance imaging apparatus.

SUMMERY OF THE UTILITY MODEL

In order to make up for the above deficiency, the utility model provides a lifting connection structure of a scanning bed of a magnetic resonance imaging device.

The technical scheme of the utility model is that:

the utility model provides a lift connection structure of magnetic resonance imaging equipment's scanning bed, includes two bed boards, first support frame, second support frame, two first elevating gear and second elevating gear, bed board and first support frame fixed connection, first support frame and second support frame sliding connection, first elevating gear and first support frame fixed connection, first elevating gear and second support frame fixed connection, first elevating gear includes first motor, first motor and second support frame fixed connection, first motor output fixedly connected with telescopic link, second elevating gear and bed board swing joint, second elevating gear and first support frame fixed connection, second elevating gear includes the third motor.

Preferably, the two bed boards are movably connected, and lifting grooves are formed in two sides of the first support frame.

Preferably, a first fixing plate is fixedly connected to the top end of the telescopic rod, and the first fixing plate is fixedly connected with the first support frame.

Preferably, the telescopic link includes first threaded rod, first threaded rod lower extreme side-mounting has the second motor, the peripheral threaded connection of first threaded rod has first screw cask, swing joint has the connecting rod on the first threaded rod top, connecting rod both sides movable mounting has the elastic block.

Preferably, a spring is fixedly installed between the connecting rod and the elastic block, a rope penetrating hole is formed in the connecting rod and the first threaded rod, a steel wire rope is arranged in the rope penetrating hole, the head end of the steel wire rope is fixedly connected with the elastic block, and the tail end of the steel wire rope is fixedly connected with the output end of the second motor.

Preferably, a second fixing plate is fixedly connected to the third motor, the second fixing plate is movably connected with the bed board, and a second threaded rod is fixedly connected to the output end of the third motor.

Preferably, the outer side of the second threaded rod is in threaded connection with a second threaded barrel, the outer side of the second threaded barrel is movably connected with two connecting blocks, and the tail ends of the connecting blocks are fixedly connected with the inner wall of the lifting groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a screw drive, the height of accurate control magnetic resonance imaging device's that can be fine scanning bed, be equipped with the elastic block at first threaded rod top in addition, the terminal card of elastic block is on first screw thread cask internal thread or in the draw-in groove, can alleviate the friction between the screw thread, the life-span of using has been increased, secondly the bed board of magnetic resonance imaging device's scanning bed falls into two, swing joint between the bed board, a bed board below has increased second elevating gear, user of service's back can be raised, increase user of service's experience and feel.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the whole structure of the utility model when the backrest is raised;

fig. 3 is a schematic structural view of the first lifting device of the present invention;

FIG. 4 is a schematic view of the structure of the retractable rod of the present invention;

fig. 5 is a schematic structural view of the second lifting device of the present invention.

In the figure:

1. a bed board;

2. a first support frame;

3. a second support frame;

4. a first lifting device; 41. a first fixing plate; 42. a first motor; 43. a telescopic rod; 431. a first threaded rod; 432. a second motor; 433. a stringing hole; 434. a connecting rod; 435. an elastic block; 436. a spring; 437. a wire rope; 438. a first threaded barrel; 439. a card slot;

5. a second lifting device; 51. a second fixing plate; 52. a third motor; 53. a second threaded rod; 54. a second threaded barrel; 55. connecting blocks;

6. a lifting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "item", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplified description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model provides a swing joint is equipped with lift groove 6 between two

bed boards

1, 2 both sides of first support frame, the first support frame 2 of fixedly connected with on the

bed board

1, 2 sliding connection of first support frame have second support frame 3, swing joint is the back height that makes things convenient for adjustment scanning bed user between the bed board 1, and first support frame 2 and second support frame 3 mainly are the stability of guaranteeing the scanning bed.

In this embodiment, first elevating gear 4 of fixedly connected with on the first support frame 2, first

elevating gear

4 and 3 fixed connection of second support frame, first elevating gear 4 includes first motor 42,

first motor

42 and 3 fixed connection of second support frame, first motor 42 output end fixedly connected with telescopic link 43, fixedly connected with first fixed plate 41 on the telescopic link 43 top, first

fixed plate

41 and 2 fixed connection of first support frame, the height of telescopic link 43 has decided the holistic height of scanning bed, first motor 42 gives first threaded rod 431 a rotatory power.

In this embodiment, the telescopic rod 43 includes a first threaded rod 431, the end of the first threaded rod 431 is fixedly connected with the output end of the first motor 42, a second motor 432 is installed on the side surface of the lower end of the first threaded rod 431, a first threaded barrel 438 is connected to the periphery of the first threaded rod 431 in a threaded manner, a connecting rod 434 is movably connected to the top end of the first threaded rod 431, elastic blocks 435 are movably installed on two sides of the connecting rod 434, springs 436 are fixedly installed between the connecting rod 434 and the elastic blocks 435, threading holes 433 are formed in the connecting rod 434 and the first threaded rod 431, a steel wire rope 437 is arranged in the threading holes 433, the head end of the steel wire rope 437 is fixedly connected with the elastic blocks 435, the end of the steel wire rope 437 is fixedly connected with the output end of the second motor 432, the springs 436 on the side surface of the connecting rod 434 can always give an elastic force to the elastic blocks 43, the elastic blocks 435 can be bounced off in the first threaded barrel 438, the end of the elastic blocks 435 can be clamped in the clamping groove 439, when the second motor 432 is started, the second motor 432 rotates, the steel wire rope 437 is driven to drive the steel wire rope 437, and the elastic blocks 437 fixed to the other end of the steel wire rope 437 can be tightly attached to the surface of the connecting rod 435, and tightly attached to the surface of the connecting rod 434, and away from the clamping groove 439.

In this embodiment, the second lifting device 5 is movably connected to the bed plate 1, the second lifting device 5 is fixedly connected to the first support frame 2, the second lifting device 5 includes a third motor 52, a second fixing plate 51 is fixedly connected to the third motor 52, the second fixing plate 51 is movably connected to the bed plate 1, a second threaded rod 53 is fixedly connected to the output end of the third motor 52, a second threaded barrel 54 is connected to the outer side of the second threaded rod 53 through a thread, two connecting blocks 55 are movably connected to the outer side of the second threaded barrel 54, the end of each connecting block 55 is fixedly connected to the inner wall of the lifting groove 6, the third motor 52 is started, the third motor 52 drives the second threaded rod 53 to synchronously rotate, the second threaded barrel 54 can only horizontally rotate under the action of the connecting block 55, and the second threaded rod 53 can move upwards in an arc shape along the thread in the second threaded barrel 54.

In this embodiment, when the scanning bed needs to ascend, a user first starts the first motor 42, the first threaded rod 431 connected to the output end of the first motor 42 rotates synchronously, the first threaded barrel 438 moves upwards along the threads on the first threaded rod 431, so that the first fixing plate 41 fixed on the upper surface, the first support frame 2 and the bed plate 1 move upwards synchronously, and stop when reaching a required height, in the process of moving upwards, the spring 436 fixed on the back of the elastic block 435 always gives an elastic force, when the first threaded barrel 438 stops ascending, the elastic block 435 springs open, the tail end of the elastic block is clamped in the clamping groove 439, so that the stability of the scanning bed is ensured, and when the first threaded rod 43 and the connecting rod 434 are movably connected and have a limiting effect of the clamping groove 439, the position of the elastic block 435 is basically not changed; when the scanning bed needs to descend, the first motor 42 and the second motor 432 need to be started simultaneously, the second motor 432 rotates to drive the steel wire rope 437 fixed on the output end, the elastic block 435 fixed at the other end of the steel wire rope 437 is attached to the surface of the connecting rod 434 and is far away from the clamping groove 439, and the first threaded barrel 438 also moves downwards along the threads on the first threaded rod 431; when a scanning bed person needs to raise the backrest, the third motor 52 is started, the third motor 52 drives the second threaded rod 53 to synchronously rotate, the second threaded barrel 54 can only do horizontal rotation movement under the action of the connecting block 55, and the second threaded rod 53 can do arc-shaped upward movement along the threads in the second threaded barrel 54; when the scanning bed staff needs to lower the backrest, the third motor 52 will rotate in the opposite direction and the second threaded rod 53 will move downwards in an arc.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only the preferred embodiments of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a lift connection structure of magnetic resonance imaging equipment's scanning bed, includes two bed boards (1), first support frame (2), second support frame (3), two first elevating gear (4) and second elevating gear (5), its characterized in that: bed board (1) and first support frame (2) fixed connection, first support frame (2) and second support frame (3) sliding connection, first elevating gear (4) and first support frame (2) fixed connection, first elevating gear (4) and second support frame (3) fixed connection, first elevating gear (4) include first motor (42), first motor (42) and second support frame (3) fixed connection, first motor (42) output end fixed connection has telescopic link (43), second elevating gear (5) and bed board (1) swing joint, second elevating gear (5) and first support frame (2) fixed connection, second elevating gear (5) include third motor (52).

2. The elevating coupling structure of the scanning bed of the magnetic resonance imaging apparatus as set forth in claim 1, wherein: two the bed boards (1) are movably connected, and lifting grooves (6) are arranged on two sides of the first support frame (2).

3. The elevating and lowering connecting structure of the scanning bed of the magnetic resonance imaging apparatus as set forth in claim 1, characterized in that: the telescopic rod (43) is fixedly connected with a first fixing plate (41) on the top end, and the first fixing plate (41) is fixedly connected with the first support frame (2).

4. The elevating coupling structure of the scanning bed of the magnetic resonance imaging apparatus as set forth in claim 3, wherein: telescopic link (43) include first threaded rod (431), the terminal output fixed connection of first motor (42) of first threaded rod (431), first threaded rod (431) lower extreme side-mounting has second motor (432), the peripheral threaded connection of first threaded rod (431) has first screw cask (438), swing joint has connecting rod (434) on first threaded rod (431) top, connecting rod (434) both sides movable mounting has elasticity piece (435).

5. The elevating and lowering connecting structure of the scanning bed of the magnetic resonance imaging apparatus as set forth in claim 4, characterized in that: fixed mounting has spring (436) between connecting rod (434) and elastic block (435), connecting rod (434) inside and first threaded rod (431) inside are equipped with wire rope handling hole (433), be equipped with wire rope (437) in wire rope handling hole (433), wire rope (437) head end and elastic block (435) fixed connection, the output fixed connection of wire rope (437) end and second motor (432).

6. The elevating and lowering connecting structure of the scanning bed of the magnetic resonance imaging apparatus as set forth in claim 1, characterized in that: fixedly connected with second fixed plate (51) on third motor (52), second fixed plate (51) and bed board (1) swing joint, fixedly connected with second threaded rod (53) on third motor (52) output.

7. The elevating coupling structure of the scanning bed of the magnetic resonance imaging apparatus as set forth in claim 6, wherein: the outer side of the second threaded rod (53) is in threaded connection with a second threaded barrel (54), the outer side of the second threaded barrel (54) is movably connected with two connecting blocks (55), and the tail ends of the connecting blocks (55) are fixedly connected with the inner wall of the lifting groove (6).