High-pressure radiography syringe pipeline fixing mechanism

Abstract

The utility model discloses a high-pressure radiography injector pipeline fixing mechanism which comprises a pipeline panel, a pipe groove is formed in the pipeline panel, a pipeline is installed in the pipe groove, a pipe pressing base with the inner side face being a cylindrical face is arranged on the pipeline panel, and a rotating disc rotating relative to the pipeline panel is arranged on the inner side of the pipe pressing base. A plurality of pressing wheels and guide wheels are arranged on the turntable close to the outer edge, and a telescopic mechanism capable of driving the guide wheels to move along the radial direction of the turntable is connected between the guide wheels and the turntable. The high-pressure radiography injector pipeline fixing mechanism is beneficial to improving the convenience of pipeline replacement.

Description

TECHNICAL FIELD

[0001] The utility model relates to high pressure injector field especially relates to a high pressure contrast injector pipeline fixing mechanism. BACKGROUND

[0002] High pressure injectors are widely used in clinical cardiovascular angiography examination, CT enhanced contrast scanning and MR enhanced scanning examination and treatment, and its main role is to inject contrast medium or physiological saline into the human body.

[0003] Most high pressure injectors mainly provide power for pipeline conveying contrast medium or physiological saline through peristaltic pumps. The peristaltic pump presses the pipeline in the middle through the pressing wheel and the pipe pressing base, and the active rotation of the pressing wheel can drive the liquid in the pipeline to flow. Since the pressing wheel and the guide wheel form a large pressure on the pipeline outward, when a new pipeline needs to be replaced, the old pipeline is difficult to disassemble, and the new pipeline is also difficult to be inserted between the pressing wheel, the guide wheel and the pipe pressing base, causing that the equipment maintenance operation is difficult. SUMMARY

[0004] The utility model discloses a kind of high pressure contrast injector pipeline fixing mechanism, which is beneficial to improve the convenience of pipeline replacement.

[0005] To achieve the above object, the utility model provides a kind of high pressure contrast injector pipeline fixing mechanism, including pipeline panel, pipeline panel is equipped with pipe groove, pipe groove is installed with pipeline, pipeline panel is equipped with the pipe pressing base with the cylindrical surface of inner side, the inner side of pipe pressing base is equipped with the rotating disc that is opposite with pipeline panel rotation, rotating disc is equipped with multiple pressing wheels and guide wheels near outer edge, and the telescopic mechanism that can drive guide wheel moves along the radial direction of rotating disc is connected between guide wheel and rotating disc.

[0006] As a further improvement of the utility model, the telescopic mechanism includes rotating block, connecting rod and slide bar, rotating block and rotating disc are coaxial arrangement and rotationally connected, the outer side of rotating block is hinged with one end of connecting rod, the other end of connecting rod is hinged with one end of slide bar, the other end of slide bar is connected with guide wheel seat, and the guide wheel is rotationally connected on guide wheel seat;Rotating disc is also equipped with guide sleeve, and slide bar passes through guide sleeve and is slidingly matched.

[0007] As a further improvement of the utility model, the rotating block is linked with the first rotary drive mechanism.

[0008] As a further improvement of the utility model, the first rotary drive mechanism is telescopic drive device, one end of telescopic drive device is hinged with rotating disc, and the other end of telescopic drive device is hinged with the outer side of rotating block.

[0009] As a further improvement of the utility model, the wheel surface of the guide wheel is provided with an annularly arranged inner groove, the profile of the inner groove is matched with the outer side wall of the pipeline; the inner groove of the guide wheel and the inner side surface of the pipe pressing base jointly clamp the pipeline in the middle.

[0010] As a further improvement of the utility model, the rotating disc is linked with a second rotary driving mechanism.

[0011] As a further improvement of the utility model, the pipe pressing base comprises a sunken groove arranged on the pipeline panel, and the side wall of the sunken groove is the inner side surface of the pipe pressing base.

[0012] As a further improvement of the utility model, the pressing wheel is rotatably connected with the rotating disc, and the pressing wheel is linked with a third rotary driving mechanism; the pressing wheel and the inner side surface of the pipe pressing base jointly clamp the pipeline in the middle.

[0013] Advantages

[0014] Compared with the prior art, the high-pressure contrast injection device pipeline fixing mechanism has the following advantages:

[0015] 1. The telescopic mechanism can drive the guide wheels to move away from or close to the cylindrical surface of the pipe pressing base. When the guide wheels move away from the cylindrical surface of the pipe pressing base, the guide wheels do not exert pressure on the pipeline, and the guide wheels lose the limiting effect on the pipeline, so that the personnel can conveniently pull out the pipeline for replacement. When a new pipeline is replaced, the part of the pipeline close to the pipeline groove of the pipeline panel is moved to the space between the guide wheels and the cylindrical surface of the pipe pressing base, and the telescopic mechanism is used to make the guide wheels and the cylindrical surface of the pipe pressing base jointly clamp the pipeline. Then, the rotating disc is started, and the rotating disc drives the guide wheels to rotate. At this time, the new pipeline is gradually embedded between the guide wheels and the cylindrical surface of the pipe pressing base and between the pressing wheel and the cylindrical surface of the pipe pressing base under the action of the guide wheels. This mode does not need to pull the pipeline by hand with great force, is convenient to operate, reduces the difficulty of pipeline replacement, saves equipment maintenance time, and is not easy to damage the pipeline.

[0016] 2. The telescopic mechanism adopts the structure matched by the rotating block, the connecting rod and the slide rod, and only one first rotary driving mechanism can drive multiple guide wheels to perform telescopic action, so that the structure is simple.

[0017] 3. Compared with the rotary motor, the first rotary driving mechanism adopts the telescopic driving device, which can provide a large rotary torque for the rotating block even if the size is small, and is conducive to the miniaturization and light weight of the structure.

[0018] The utility model will become more clear through the following description and in conjunction with the drawings, which are used to explain the embodiments of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0020] Fig. 1 A top view of the high-pressure contrast medium injector pipeline fixing mechanism;

[0021] Fig. 2 A schematic view of loosening the pipeline by the guide wheel;

[0022] Fig. 3 A schematic view of the pipeline after installation;

[0023] Fig. 4 A schematic view of the guide wheel and the cylindrical surface of the pipe pressing seat clamping the pipeline in the middle. DETAILED DESCRIPTION

[0024] The embodiments of the present application will now be described with reference to the drawings.

[0025] EMBODIMENT

[0026] As shown in the specific embodiment of the present application, Figs. 1 to 4 A high-pressure contrast medium injector pipeline fixing mechanism comprises a pipeline panel 1, a pipeline groove 8 is arranged on the pipeline panel 1, a pipeline 7 is installed in the pipeline groove 8, a pipe pressing seat 9 with a cylindrical inner side surface is arranged on the pipeline panel 1, a rotating disc 2 is arranged on the inner side of the pipe pressing seat 9 and can rotate relative to the pipeline panel 1, a plurality of pressing wheels 3 and guide wheels 4 are arranged on the rotating disc 2 close to the outer edge, and an extension mechanism 5 that can drive the guide wheels 4 to move along the radial direction of the rotating disc 2 is connected between the guide wheels 4 and the rotating disc 2.

[0027] The extension mechanism 5 comprises a rotating block 51, a connecting rod 52 and a sliding rod 53, the rotating block 51 and the rotating disc 2 are coaxially arranged and are rotationally connected, the outer side of the rotating block 51 is hingedly connected to one end of the connecting rod 52, the other end of the connecting rod 52 is hingedly connected to one end of the sliding rod 53, the other end of the sliding rod 53 is connected to a guide wheel seat 54, and the guide wheels 4 are rotationally connected to the guide wheel seat 54. A guide sleeve 55 is further connected to the rotating disc 2, the sliding rod 53 passes through the guide sleeve 55 and is slidingly matched with the guide sleeve 55, and the length direction of the sliding rod 53 is parallel to the radial direction of the rotating disc 2.

[0028] In the embodiment, the number of the pressing wheels 3 and the guide wheels 4 is three, and the pressing wheels 3 and the guide wheels 4 are alternately arranged around the axis of the rotating disc 2. The rotating block 51 is triangular, and each corner of the rotating block 51 is hingedly connected to one end of one connecting rod 52. The outer peripheral surface of the pressing wheel 3 is a cylindrical surface.

[0029] The rotating block 51 is linked with a first rotating driving mechanism. In the embodiment, the first rotating driving mechanism is the telescopic driving device 6, which can be a linear motor or a hydraulic telescopic cylinder. One end of the telescopic driving device 6 is hinged to the rotating disc 2, and the other end of the telescopic driving device 6 is hinged to the outer side of the rotating block 51. When the telescopic driving device 6 telescopes, it can drive the rotating block 51 to rotate, and further drive the slide rod 53 to slide along the guide sleeve 55, so as to drive each guide wheel 4 to telescope along the radial direction of the rotating disc 2. Since the gravity center of the telescopic driving device 6 is not on the rotation center of the rotating disc 2, in order to balance the rotating disc 2, a counterweight can be arranged on the rotating disc 2, so as to avoid the problem that the rotating disc 2 shakes when rotating due to the eccentric position of the telescopic driving device 6. Since each guide wheel 4 is unfolded and the rotating disc 2 rotates, the telescopic driving device 6 is in the state of elongation, at this time, the gravity center position of the telescopic driving device 6 is unique, and the counterweight only needs to be counterweighted according to the gravity center position of the telescopic driving device 6 at this time. In addition, the first rotating driving mechanism can also be an electric motor, which is arranged on the rotation center of the top of the rotating disc 2, and the rotating shaft of the electric motor is connected with the middle part of the rotating block 51, so that the electric motor can drive the rotating block 51 to rotate, thereby driving the guide wheel 4 to move.

[0030] The wheel surface of the guide wheel 4 is provided with an annularly arranged inner groove 41, and the profile of the inner groove 41 is matched with the outer side wall of the pipeline 7. The inner groove 41 of the guide wheel 4 and the inner side surface of the pipe pressing base 9 jointly clamp the pipeline 7 in the middle.

[0031] The rotating disc 2 is linked with a second rotating driving mechanism. The second rotating driving mechanism is an electric motor, which is installed below the pipeline panel 1.

[0032] The pipe pressing base 9 includes a sunken groove 91 arranged on the pipeline panel 1, and the side wall of the sunken groove 91 is the inner side surface of the pipe pressing base 9.

[0033] The pressing wheel 3 is rotationally connected with the rotating disc 2, and the pressing wheel 3 is linked with a third rotating driving mechanism, which is an electric motor and is installed on the rotating disc 2. The pressing wheel 3 and the inner side surface of the pipe pressing base 9 jointly clamp the pipeline 7 in the middle.

[0034] The telescopic mechanism 5 can drive the guide wheels 4 to move away from or close to the cylindrical surface of the pipe pressing base 9. When the guide wheels 4 move away from the cylindrical surface of the pipe pressing base 9, the guide wheels 4 do not press the pipe 7, and the guide wheels 4 lose the limiting effect on the pipe 7, so that the pipe 7 is in a relaxed state, facilitating personnel to pull out the pipe 7 upward and replace it. When replacing the new pipe, a section of the pipe 7 close to the pipe groove 8 of the pipe panel 1 is moved to the space between the guide wheels 4 and the cylindrical surface of the pipe pressing base 9, and the telescopic mechanism 5 is used to drive the guide wheels 4 to be stretched outward, so that the guide wheels 4 and the cylindrical surface of the pipe pressing base 9 jointly clamp the section of the pipe 7. Then, the rotating disc 2 is started to rotate, and the rotating disc 2 drives the guide wheels 4 to rotate, so that the new pipe 7 is gradually embedded between the guide wheels 4 and the cylindrical surface of the pipe pressing base 9 and between the pressing wheels 3 and the cylindrical surface of the pipe pressing base 9 under the action of the guide wheels 4. This mode does not need to pull the pipe by hand, is convenient to operate, reduces the difficulty of replacing the pipe, saves the equipment maintenance time, and is not easy to damage the pipe.

[0035] The utility model has been described above in combination with the best embodiment, but the utility model is not limited to the above disclosed embodiments, and should cover various modifications, equivalent combinations according to the essence of the utility model.

Claims

1. A high pressure contrast injector tubing fixing mechanism comprising a tubing panel (1) provided with a tubing groove (8) in which a tubing (7) is installed, characterized in that, The pipeline panel (1) is provided with a pressing pipe seat (9) with a cylindrical inner side surface, the inner side of the pressing pipe seat (9) is provided with a rotating disc (2) which rotates relative to the pipeline panel (1), a plurality of pressing wheels (3) and guide wheels (4) are arranged on the rotating disc (2) close to the outer edge, and the guide wheels (4) are connected with the rotating disc (2) through an extension mechanism (5) which drives the guide wheels (4) to move radially along the rotating disc (2).

2. A high pressure contrast injector tubing securement mechanism as defined in claim 1, wherein, The extension mechanism (5) comprises a rotating block (51), a connecting rod (52) and a sliding rod (53), the rotating block (51) is coaxially arranged with the rotating disc (2) and is rotationally connected, the outer side of the rotating block (51) is hingedly connected with one end of the connecting rod (52), the other end of the connecting rod (52) is hingedly connected with one end of the sliding rod (53), the other end of the sliding rod (53) is connected with a guide wheel seat (54), and the guide wheel (4) is rotationally connected on the guide wheel seat (54); the rotating disc (2) is further provided with a guide sleeve (55), and the sliding rod (53) passes through the guide sleeve (55) and is slidingly connected with the guide sleeve (55).

3. A high pressure contrast injector tubing securement mechanism as defined in claim 2, wherein, The rotating block (51) is connected with a first rotation driving mechanism.

4. The high pressure contrast injector tubing securement mechanism of claim 3, wherein, The first rotation driving mechanism is an extension driving device (6), one end of the extension driving device (6) is hingedly connected with the rotating disc (2), and the other end of the extension driving device (6) is hingedly connected with the outer side of the rotating block (51).

5. The high pressure contrast injector tubing securement mechanism of claim 3, wherein, The wheel surface of the guide wheel (4) is provided with an annularly arranged inner groove (41), the profile of the inner groove (41) is matched with the outer side wall of the pipeline (7), and the inner groove (41) of the guide wheel (4) and the inner side surface of the pressing pipe seat (9) jointly clamp the pipeline (7) in the middle.

6. A high pressure contrast injector tubing securement mechanism as defined in claim 1, wherein, The rotating disc (2) is connected with a second rotation driving mechanism.

7. The high pressure contrast injector line securement mechanism of claim 1, wherein, The pressing pipe seat (9) comprises a sunken groove (91) arranged on the pipeline panel (1), and the side wall of the sunken groove (91) is the inner side surface of the pressing pipe seat (9).

8. The pipeline fixing mechanism of the high-pressure contrast injection device according to claim 1, wherein, The pressing wheel (3) is rotationally connected with the rotating disc (2), and the pressing wheel (3) is connected with a third rotation driving mechanism; The pressing wheel (3) and the inner side surface of the pressing pipe seat (9) jointly clamp the pipeline (7) in the middle.

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