CN106955119B - Mobile X-ray machine - Google Patents

Abstract

The invention discloses a mobile X-ray machine, which belongs to the field of medical equipment, and includes a fuselage and wheels, and is characterized in that it also includes a wheel frame, a water tank, a float, a vertical shaft and a gear cylinder; Installed at the lower end of a wheel frame; the inner side of each wheel frame is respectively provided with a vertical shaft, and the wheel frame is provided with a fixed block connected with the vertical shaft; the upper end of the vertical shaft is located in the threaded hole of the fuselage; the said The position below the fixed block on the vertical shaft is provided with a gear cylinder; the gear cylinder is provided with two vertical bevel gears up and down; the inner end of the axle is provided with a horizontal bevel gear; There is a cylinder; each vertical shaft is provided with a water tank in the inner direction, the water tank is fixed on the fuselage, and a float is arranged in the water tank, between the connecting plate of the fixed block and the connecting plate of the water tank, and the connection between the connecting plate of the cylinder and the float Each plate is connected with a connecting rod. Compared with the prior art, the utility model has the characteristics of smooth walking.

Description

A mobile X-ray machine

technical field

The invention relates to a medical device, in particular to a mobile X-ray machine suitable for walking smoothly.

Background technique

X-ray machine is a device that produces X-rays. According to the penetration, differential absorption, photosensitivity and fluorescence of X-rays, X-rays are often used in medical diagnosis and are one of the commonly used medical examination instruments in hospitals. In the hospital, in addition to the radiology department, bedside examinations in the ward are often required. Therefore, the imaging department often needs to be equipped with a mobile X-ray machine. The bottom of the mobile X-ray machine is equipped with wheels, which can be easily transferred. However, in practical applications, slopes are often built on both sides of the steps at the entrance of some hospital buildings or where buildings are directly connected to buildings. When the mobile X-ray machine is pushed on the slope, it will tilt accordingly, and there will be a danger of toppling. There is a certain degree of safety. Hidden danger.

Contents of the invention

The technical task of the present invention is to provide a mobile X-ray machine that runs smoothly, aiming at the above deficiencies in the prior art.

The technical solution of the present invention to solve its technical problems is: a mobile X-ray machine, including a fuselage and wheels, characterized in that: it also includes a wheel frame, a water tank, a float, a vertical shaft and a gear cylinder; The wheel shafts are respectively installed at the lower end of a wheel frame; the wheel frame is vertically installed on the fuselage, and the body is provided with a limit mechanism to limit the movement of the wheel frame; the inner side of each wheel frame is respectively provided with a vertical shaft, and the wheel frame There is a fixed block connected with the vertical shaft, the fixed block is fixedly connected with the wheel frame, the fixed block is provided with a vertical hole, the vertical shaft passes through the vertical hole, and the vertical shaft is located on the The two ends of the fixed block are respectively provided with flanges; the upper end of the vertical shaft is provided with threads, and this section forms a lead screw structure, and the upper end of the vertical shaft is provided with a threaded hole matching the upper end of the vertical shaft on the fuselage. The upper end of the vertical shaft is located in the threaded hole; the position below the fixed block on the vertical shaft is provided with a gear cylinder, and the middle of the gear cylinder is provided with a vertical hole, through which the gear cylinder is sleeved on the vertical shaft On the vertical axis, a vertical bar is provided at the position of the gear cylinder, and the inner wall of the vertical hole of the gear cylinder is provided with a vertical groove suitable for the vertical bar; the gear cylinder is provided with an upper and lower Two vertical bevel gears, the specifications of the two bevel gears are the same, the axes of the two vertical bevel gears coincide with the axis of the vertical shaft, and the upper bevel gear tooth surface of the two vertical bevel gears Downward, the tooth surface of the lower bevel gear faces up; the inner end of the axle is provided with a horizontal bevel gear, the axis of the horizontal bevel gear coincides with the axis of the axle, and the horizontal bevel gear is located between the two vertical bevel gears. In the middle of the gear, and can mesh with a vertical bevel gear; the gear cylinder is provided with a cylinder, and the cylinder is set on the outside of a certain section of the gear cylinder, and the gear cylinder is located at the two ends of the cylinder. There is a flange; there is a water tank on the inner side of each vertical axis, and the water tank is fixed on the fuselage. There is a float in the water tank. The upper end of the float protrudes from the water tank. The water or other liquid is filled in the water tank. The buoyancy force floats the float, and the water tanks are connected to each other through water pipes; the fixed block, the cylinder, the float and the water tank are each fixed with a connecting plate, and the connecting plate is provided with a horizontal strip holes, wherein the connecting plate of the fixed block and the connecting plate of the tank, the connecting plate of the cylinder and the connecting plate of the float are respectively connected with a connecting rod, and a sliding block is provided at both ends of each connecting rod. The block passes through the bar-shaped hole on the connecting plate, and can freely move horizontally along the bar-shaped hole. The two connecting rods are hinged to each other through the middle position to form a pair of X-shaped connecting rod groups; the vertical axis is located at The position below the gear barrel is provided with a flange, and a spring is arranged between the flange and the gear barrel, and the spring is sleeved on the vertical shaft; a vertical hole is arranged at the lower end of the vertical shaft on the fuselage, and the vertical The lower end of the straight shaft is located in the vertical hole.

Compared with the prior art, the present invention can keep the balance without tilting when walking on the slope, and prevent falling down.

Description of drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a sectional view along line A-A in Fig. 1 .

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. For ease of description, "inner" and "outer" hereinafter refer to the middle direction and the outer direction of the entire device.

As shown in Fig. 1, 2, the present invention comprises fuselage 11, wheel 3, wheel frame 7, water tank 17, float 15, vertical shaft 20 and bevel gear. The fuselage 11 is the prior art, and the structure of the fuselage 11 itself related to the radiation function is not limited to this application, and it can be various types of existing mobile X-ray machines, so its internal structure will not be described here.

The wheel shaft 2 where each wheel 3 is located is respectively installed on the lower end of a wheel frame 7, and is rotatably connected between the wheel shaft 2 and the wheel frame 7. The wheel frame 7 is vertically installed on the fuselage 11, and the body 11 is provided with a limit mechanism that limits the movement of the wheel frame 7, and the wheel frame 7 can only be moved in the up and down direction by the limit mechanism. This limit mechanism can be the structure that surrounds wheel frame 7 around, to prevent wheel frame 7 from moving and rotating in the horizontal direction; directional movement; the limiting mechanism can also be other structures in the prior art that can realize this function.

The inner side of each wheel frame 7 is respectively provided with a vertical shaft 20, and the wheel frame 7 is provided with a fixed block 8 connected with the vertical shaft 20, and the fixed block 8 is fixedly connected with the wheel frame 7, and on the fixed block 8 A vertical hole is provided, the vertical shaft 20 passes through the vertical hole, flanges are respectively provided at the two ends of the fixed block 8 on the vertical shaft 20, so that the fixed block 8 is positioned at the position of the vertical shaft 20 fix.

The upper end of the vertical shaft 20 is provided with a screw thread 9, and this section forms a lead screw structure. The position of the upper end of the vertical shaft 20 on the fuselage 11 is provided with a threaded hole 10 matching the upper end of the vertical shaft 20, and the upper end of the vertical shaft 20 is Located in the threaded hole 10. When the vertical shaft 20 rotates, the vertical shaft 20 can be moved up and down by the action of the screw thread 9 .

The position below the fixed block 8 on the vertical shaft 20 is provided with a gear cylinder 4, and the middle of the gear cylinder 4 is provided with a vertical hole, through which the gear cylinder 4 is sleeved on the vertical shaft 20, vertically The shaft 20 is provided with a vertical bar 18 at the position of the gear barrel 4, and the inner wall of the vertical hole of the gear barrel 4 is provided with a vertical groove suitable for the vertical bar 18, and the vertical bar 18 is connected with the vertical bar 18. The function of the slot can make the gear cylinder 4 and the vertical shaft 20 freely move relative to each other in the up and down direction, but not rotate relative to each other.

The gear barrel 4 is provided with two vertical bevel gears 5 up and down, the two vertical bevel gears 5 have the same specifications, and the axis centers of the two vertical bevel gears 5 and the axis centers of the vertical shaft 20 are aligned. Coincidentally, in the two vertical bevel gears 5, the upper bevel gear tooth face is downward, and the lower bevel gear tooth face is upward. Described axle 2 inner end is provided with horizontal bevel gear 1, and the axle center of described horizontal bevel gear 1 coincides with the axle center of axle 2, and horizontal bevel gear 1 is positioned at the middle of two vertical bevel gears 5, and can be connected with A vertical bevel gear 5 meshes.

The gear cylinder 4 is provided with a cylinder 6, and the cylinder 6 is set on the outside of a certain section of the gear cylinder 4. The gear cylinder 4 is respectively provided with a flange at the two ends of the cylinder 6, and the flange limits The cylinder 6 can only rotate and cannot move up and down relative to the gear cylinder 4 . The inboard direction of each vertical shaft 20 is respectively provided with a tank 17, and the tank 17 is fixed on the fuselage 11, and is provided with a float 15 in the tank 17, and the upper end of the float 15 stretches out from the tank 17, and the tank 17 is filled with water or For other liquids, the float 15 is floated by the buoyancy of water, and the water tanks 17 are respectively connected to each other through water pipes. The fixed block 8, the cylinder 6, the float 15 and the water tank 17 are each fixed with a connecting plate 13, and the connecting plate 13 is provided with a horizontal strip hole 16, wherein the connecting plate 13 of the fixed block 8 Between the connecting plate 13 of the water tank 17, between the connecting plate 13 of the cylinder 6 and the connecting plate 13 of the float 15 are respectively connected by a connecting rod 12, and a slider 14 is provided at both ends of each connecting rod 12 , the slider 14 passes through the bar-shaped hole 16 on the connecting plate 13, and can move freely horizontally along the bar-shaped hole 16, and the two connecting rods 12 are hinged to each other through the middle position to form a pair of X Shaped connecting rod group, the distance between the fixed block 8 and the cylinder 6 can always be changed along with the distance between the float 15 and the water tank 17 through the effect of the connecting rod group. Since the water tank 17 is fixed on the fuselage 11, the relative position between the fixed block 8 and the vertical shaft 20 remains unchanged, and the vertical shaft 20 will move vertically during the whole process. The position change of the float 15 drives the gear cylinder 4 to move up and down relative to the vertical shaft 20 , and is not disturbed by the vertical shaft 20 during the whole process. When the gear cylinder 4 moves upward, the horizontal bevel gear 1 meshes with the vertical bevel gear 5 below; when the gear cylinder 4 moves downward, the horizontal bevel gear 1 meshes with the vertical bevel gear 5 above; when the gear cylinder 4 When in the middle position, the horizontal bevel gear 1 does not mesh with any vertical bevel gear 5 .

A flange 22 is provided on the vertical shaft 20 below the gear barrel 4 , a spring 19 is arranged between the flange 22 and the gear barrel 4 , and the spring 19 is sleeved on the vertical shaft 20 . The gear cylinder 4 is lifted up by the action of the spring 19 to offset the weight of the gear cylinder 4, so that the float 15 can more easily drive the gear cylinder 4 to move up and down.

A vertical hole 21 is provided at the lower end of the vertical shaft 20 on the fuselage 11 , and the lower end of the vertical shaft 20 is located in the vertical hole 21 .

When the X-ray machine is pushed on the slope, the water in the water tank 17 in the direction of one end above the slope flows through the water pipe to the water tank 17 in the lower direction, and the water level in the water tank 17 in the lower direction rises, and the float 15 is moved by buoyancy. Lifting up, the float 15 drives the gear cylinder 4 to move down relative to the vertical shaft 20 through the connecting rod group, the horizontal bevel gear 1 meshes with the vertical bevel gear 5 above, and the wheel 3 drives the horizontal bevel gear 1 to rotate through the axle 2. The horizontal bevel gear 1 and the vertical bevel gear 5 above drive the vertical shaft 20 to rotate forward, and the vertical shaft 20 is driven to move downward through the action of the upper end of the vertical shaft 20 and the threaded hole 10, and the vertical shaft 20 passes through the fixed block 8 Drive the wheel frame 7 to move downward, thereby pushing the wheel 3 to move downward, thereby lifting the side fuselage 11 upward; at the same time, the water level in the water tank 17 on the upper side of the slope drops, and the float 15 descends accordingly, through the connecting rod group, the driving gear moves upward relative to the vertical bevel gear 5, the horizontal bevel gear 1 meshes with the vertical bevel gear 5 below, and the horizontal bevel gear 1 and the vertical bevel gear 5 below drive the vertical shaft 20 to rotate in reverse, and the vertical The straight shaft 20 moves upwards, and the vertical shaft 20 pushes the wheels 3 to move upwards through the wheel frame 7, so that the side body 11 is correspondingly lowered, so that the tilted body 11 is restored to balance, and the danger of the X-ray machine from toppling over is avoided.

It should be noted that the specific embodiments of the present invention have described the present invention in detail, and for those skilled in the art, it is possible to make various obvious changes to it without departing from the spirit and scope of the present invention. Within the protection scope of the present invention.

Claims (1)

1. A mobile X-ray machine comprising a body and wheels, characterized in that: the device also comprises a wheel frame, a water tank, a floater, a vertical shaft and a gear cylinder; the wheel axle where each wheel is positioned is respectively arranged at the lower end of one wheel frame; the wheel frame is vertically arranged on the machine body, and a limiting mechanism for limiting the movement of the wheel frame is arranged on the machine body and is a guide rail along the vertical direction; the inner side of each wheel frame is respectively provided with a vertical shaft, the wheel frames are provided with fixed blocks connected with the vertical shafts, the fixed blocks are fixedly connected with the wheel frames, the fixed blocks are provided with vertical holes, the vertical shafts penetrate through the vertical holes, and flanges are respectively arranged at the positions, located at the two ends of the fixed blocks, of the vertical shafts; the upper end of the vertical shaft is provided with a thread, the upper end of the vertical shaft forms a screw rod structure, a threaded hole matched with the upper end of the vertical shaft is arranged on the machine body at the position of the upper end of the vertical shaft, and the upper end of the vertical shaft is positioned in the threaded hole; a gear cylinder is arranged at the position, below the fixed block, on the vertical shaft, a vertical hole is formed in the middle of the gear cylinder, the gear cylinder is sleeved on the vertical shaft through the vertical hole, a vertical bar is arranged at the position, located on the gear cylinder, on the vertical shaft, and a vertical groove matched with the vertical bar is formed in the inner wall of the vertical hole of the gear cylinder; an upper vertical bevel gear and a lower vertical bevel gear are arranged on the gear barrel, the specifications of the two vertical bevel gears are the same, the axes of the two vertical bevel gears are coincident with the axes of the vertical shafts, the tooth surfaces of the upper bevel gears in the two vertical bevel gears face downwards, and the tooth surfaces of the lower bevel gears face upwards; the inner end of the wheel shaft is provided with a horizontal bevel gear, the axis of the horizontal bevel gear coincides with the axis of the wheel shaft, and the horizontal bevel gear is positioned between the two vertical bevel gears and can be meshed with one vertical bevel gear; the gear cylinder is provided with a cylinder, the cylinder is sleeved outside a certain section of the gear cylinder, and flanges are respectively arranged at the positions, located at the two ends of the cylinder, of the gear cylinder; a water tank is arranged in the inner side direction of each vertical shaft, the water tank is fixed on the machine body, a floater is arranged in the water tank, the upper end of the floater extends out of the water tank, water is contained in the water tank, the floater floats up through the buoyancy of the water, and the water tanks are communicated with each other through water pipes; the fixed block, the cylinder, the floater and the water tank are respectively fixedly provided with a connecting plate, the connecting plates are provided with strip-shaped holes in a horizontal trend, the connecting plates of the fixed block are respectively connected with the connecting plates of the water tank and the connecting plates of the cylinder and the connecting plates of the floater through a connecting rod, two ends of each connecting rod are respectively provided with a sliding block, and the sliding blocks penetrate through the strip-shaped holes in the connecting plates and can freely and horizontally move along the strip-shaped holes, and the two connecting rods are mutually hinged through the middle positions to form a pair of X-shaped connecting rod groups; a flange is arranged at a position below the gear cylinder on the vertical shaft, a spring is arranged between the flange and the gear cylinder, and the spring is sleeved on the vertical shaft; the lower end of the vertical shaft is positioned in the vertical hole.

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