Simple ultrasonic trackball extractor

Abstract

The utility model discloses a simple ultrasonic trackball extractor which comprises an extracting cylinder, a piston rod is connected to the inner surface of the extracting cylinder in a sliding mode, a piston block is fixedly connected to the lower end of the piston rod, a connecting block is fixedly connected to the upper end of the piston rod, and a through hole is formed in the lower end of the extracting cylinder. A connecting air pipe is arranged on the inner surface of the through hole, a first connecting seat is fixedly connected to the lower end of the connecting air pipe, a second connecting seat is arranged on the lower surface of the first connecting seat, a suction cup is fixedly connected to the lower surface of the second connecting seat, and a first opening groove is formed in the upper surface of the second connecting seat. The trackballs can be quickly and stably taken out through the arrangement of the taking-out barrel, the piston rod, the piston block, the suction cups, the sealing gasket and other structures, damage to the surfaces of the trackballs can be avoided, and therefore practicability is improved, the suction cups of different models can be quickly replaced through the arrangement of the buckle base and the fixing device, and therefore the trackballs of different models can be conveniently taken down.

Description

Technical Field

[0001] The utility model relates to the technical field of ultrasonic trackballs, in particular to a simple ultrasonic trackball extractor. Background Art

[0002] An ultrasound trackball is an input device used to control ultrasound diagnostic equipment. It allows the user to control the cursor position on the screen by physically moving the trackball. This device is very common in medical ultrasound imaging, especially when performing an ultrasound examination, where doctors or technicians need to accurately locate and measure specific areas on the image.

[0003] However, due to the frequent operation of the trackball during use, it may be worn or malfunction. At this time, the trackball needs to be disassembled. The disassembly of the trackball usually requires the use of hard tools such as tweezers, which may damage the surface of the trackball and affect normal use. Secondly, since the trackball is spherical, using tweezers to clamp it may easily cause the trackball to fall off, which lacks practicality. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a simple ultrasonic trackball extractor. The trackball can be quickly and stably removed by arranging structures such as an extraction cylinder, a piston rod, a piston block, a suction cup, and a sealing pad, and damage to the surface of the trackball can be avoided, thereby improving practicality. Different types of suction cups can be quickly replaced by arranging a snap seat and a fixing device, thereby facilitating the removal of trackballs of different types.

[0005] The utility model also provides the above-mentioned simplified ultrasonic trackball extractor, comprising:

[0006] A take-out cylinder, the inner surface of which is slidably connected with a piston rod, the lower end of the piston rod is fixedly connected with a piston block, the upper end of the piston rod is fixedly connected with a connecting block, a through hole is provided at the lower end of the take-out cylinder, a connecting air pipe is provided on the inner surface of the through hole, the lower end of the connecting air pipe is fixedly connected with a first connecting seat, the lower surface of the first connecting seat is provided with a second connecting seat, the lower surface of the second connecting seat is fixedly connected with a suction cup, the upper surface of the second connecting seat is provided with a first opening groove, the inner surface of the first opening groove is provided with a sealing gasket, the side surface of the second connecting seat is fixedly connected with a snap seat, and an air hole is provided on the upper surface of the take-out cylinder.

[0007] A fixing device, the fixing device includes a fixing block, a sliding rod, a slider, a moving seat, a handle, a fixing column, a U-shaped buckle and a spring, the inner surface of the fixing block is fixedly connected to the sliding rod, the side surface of the slider is fixedly connected to the moving seat, the side surface of the moving seat is fixedly connected to the handle, the outer surface of the fixing column is rotatably connected to the U-shaped buckle, and the lower surface of the moving seat is fixedly connected to the spring.

[0008] According to the simplified ultrasonic trackball extractor, a buckle groove is provided on the outer surface of the buckle seat, and the inner surface of the buckle groove is matched with the U-shaped buckle, so as to facilitate the installation of the suction cup.

[0009] According to the simplified ultrasonic trackball extractor, a limiting groove is provided on the side surface of the fixed block, and the inner surface of the limiting groove is matched with the slider to limit the slider when it moves.

[0010] According to the simplified ultrasonic trackball extractor, a second opening groove is provided on the lower surface of the first connecting seat, and the inner surface of the second opening groove is adapted to the sealing gasket, which facilitates the installation of the sealing gasket and improves the stability of the suction cup in absorbing the trackball.

[0011] According to the simplified ultrasonic trackball extractor, the outer surface of the piston block is in contact with the extraction cylinder, and the number of the fixing devices is two and they are distributed on the left and right.

[0012] According to the simplified ultrasonic trackball extractor, the side surface of the first connecting seat is fixedly connected to the fixing block, and the lower surface of the fixing block is in contact with the buckle seat.

[0013] According to the simplified ultrasonic trackball extractor, the outer surface of the slide rod is slidably connected to the slider, and the outer surface of the movable seat is fixedly connected to the fixed column.

[0014] According to the simplified ultrasonic trackball extractor, one end of the spring away from the movable seat is fixedly connected to the fixed block, and the outer surface of the fixed block is in contact with the movable seat.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is a schematic diagram of the overall structure of a simple ultrasonic trackball extractor of the utility model;

[0018] Figure 2 for Figure 1 A schematic diagram of the structure enlargement at the center A;

[0019] Figure 3 This is a cross-sectional view of the overall structure of a simple ultrasonic trackball extractor of the utility model;

[0020] Figure 4 This is a partial structural exploded schematic diagram of a simple ultrasonic trackball extractor of the utility model;

[0021] Figure 5 The utility model is a schematic diagram of the suction cup structure of a simple ultrasonic trackball extractor.

[0022] Legend:

[0023] 1. Take-out tube; 2. Piston rod; 3. Piston block; 4. Connecting block; 5. Through hole; 6. Connecting air pipe; 7. First connecting seat; 8. Second connecting seat; 9. Suction cup; 10. First opening groove; 11. Sealing pad; 12. Buckle seat; 13. Fixing device; 14. Fixing block; 15. Slide bar; 16. Sliding block; 17. Moving seat; 18. Handle; 19. Fixing column; 20. U-shaped buckle; 21. Spring; 22. Buckle groove; 23. Limiting groove; 24. Second opening groove; 25. Air hole. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] Reference Figure 1-5 The utility model embodiment is a simple ultrasonic trackball extractor, which includes: an extracting tube 1, the inner surface of the extracting tube 1 is slidably connected with a piston rod 2, the lower end of the piston rod 2 is fixedly connected with a piston block 3, the upper end of the piston rod 2 is fixedly connected with a connecting block 4, the lower end of the extracting tube 1 is provided with a through hole 5, the inner surface of the through hole 5 is provided with a connecting air pipe 6, the lower end of the connecting air pipe 6 is fixedly connected with a first connecting seat 7, the lower surface of the first connecting seat 7 is provided with a second connecting seat 8, and the lower surface of the second connecting seat 8 A suction cup 9 is fixedly connected, a first opening groove 10 is provided on the upper surface of the second connecting seat 8, a sealing gasket 11 is provided on the inner surface of the first opening groove 10, a buckle seat 12 is fixedly connected to the side surface of the second connecting seat 8, an air hole 25 is provided on the upper surface of the removal tube 1, a buckle groove 22 is provided on the outer surface of the buckle seat 12, a second opening groove 24 is provided on the lower surface of the first connecting seat 7, the inner surface of the second opening groove 24 is adapted to the sealing gasket 11, and the outer surface of the piston block 3 is in contact with the removal tube 1.

[0026] The fixing device 13 includes a fixing block 14, a sliding rod 15, a slider 16, a movable seat 17, a handle 18, a fixing column 19, a U-shaped buckle 20 and a spring 21. The inner surface of the fixing block 14 is fixedly connected to the sliding rod 15, the side surface of the slider 16 is fixedly connected to the movable seat 17, the side surface of the movable seat 17 is fixedly connected to the handle 18, the outer surface of the fixing column 19 is rotatably connected to the U-shaped buckle 20, the lower surface of the movable seat 17 is fixedly connected to the spring 21, and the inner surface of the buckle groove 22 is adapted to the U-shaped buckle 20. A limiting groove 23 is provided on the side surface of the fixed block 14, the inner surface of the limiting groove 23 is adapted to the slider 16, the number of the fixing devices 13 is two and they are distributed on the left and right, the side surface of the first connecting seat 7 is fixedly connected to the fixed block 14, the lower surface of the fixed block 14 is in contact with the buckle seat 12, the outer surface of the slide rod 15 is slidably connected to the slider 16, the outer surface of the movable seat 17 is fixedly connected to the fixed column 19, the end of the spring 21 away from the movable seat 17 is fixedly connected to the fixed block 14, and the outer surface of the fixed block 14 is in contact with the movable seat 17.

[0027] Working principle: When the trackball on the ultrasound device needs to be removed, the handles 18 on the fixing devices 13 on both sides are pushed downward, and the movable seat 17 drives the U-shaped buckle 20 to move downward along the slide bar 15 under the action of the slider 16, and the spring 21 is compressed, so that the U-shaped buckle 20 can be separated from the inside of the buckle groove 22, and then the U-shaped buckle 20 is turned around the fixing column 19 to release the restriction on the fixing column 19 as a whole, and then according to the size of the trackball to be removed, the buckle seat 12 on the new fixing column 19 is fitted with the fixing block 14, and then the trackball is removed. Then push the handle 18 again and flip the fixing column 19 around the U-shaped buckle 20. When the U-shaped buckle 20 corresponds to the buckle groove 22 on the new fixing column 19, release the handle 18. Under the restoring force of the spring 21, the U-shaped buckle 20 will automatically snap into the buckle groove 22 to complete the limited fixation of the fixing column 19. At the same time, by putting the sealing gasket 11 into the first opening groove 10 and snapping the sealing gasket 11 into the second opening groove 24 at the lower part of the first connecting seat 7 during installation, the air tightness of the suction cup 9 when sucking the trackball can be improved to prevent the trackball from falling off.

[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A simple ultrasonic trackball extractor, characterized in that: include: A take-out cylinder (1), wherein the inner surface of the take-out cylinder (1) is slidably connected with a piston rod (2), the lower end of the piston rod (2) is fixedly connected with a piston block (3), the upper end of the piston rod (2) is fixedly connected with a connecting block (4), the lower end of the take-out cylinder (1) is provided with a through hole (5), the inner surface of the through hole (5) is provided with a connecting air pipe (6), the lower end of the connecting air pipe (6) is fixedly connected with a first connecting seat (7), the lower surface of the first connecting seat (7) is provided with a second connecting seat (8), the lower surface of the second connecting seat (8) is fixedly connected with a suction cup (9), the upper surface of the second connecting seat (8) is provided with a first opening groove (10), the inner surface of the first opening groove (10) is provided with a sealing gasket (11), the side surface of the second connecting seat (8) is fixedly connected with a buckle seat (12), and the upper surface of the take-out cylinder (1) is provided with an air hole (25); A fixing device (13), the fixing device (13) comprising a fixing block (14), a sliding rod (15), a slider (16), a movable seat (17), a handle (18), a fixing column (19), a U-shaped buckle (20) and a spring (21), the inner surface of the fixing block (14) being fixedly connected to the sliding rod (15), the side surface of the slider (16) being fixedly connected to the movable seat (17), the side surface of the movable seat (17) being fixedly connected to the handle (18), the outer surface of the fixing column (19) being rotatably connected to the U-shaped buckle (20), and the lower surface of the movable seat (17) being fixedly connected to the spring (21).

2. A simplified ultrasonic trackball extractor according to claim 1, characterized in that: The outer surface of the buckle seat (12) is provided with a buckle groove (22), and the inner surface of the buckle groove (22) is adapted to the U-shaped buckle (20).

3. The simplified ultrasonic trackball extractor according to claim 1, characterized in that: A limiting groove (23) is provided on the side surface of the fixed block (14), and the inner surface of the limiting groove (23) is adapted to the sliding block (16).

4. The simplified ultrasonic trackball extractor according to claim 1, characterized in that: The lower surface of the first connecting seat (7) is provided with a second opening groove (24), and the inner surface of the second opening groove (24) is adapted to the sealing gasket (11).

5. The simplified ultrasonic trackball extractor according to claim 1, characterized in that: The outer surface of the piston block (3) is in contact with the removal cylinder (1), and the number of the fixing devices (13) is two and they are distributed on the left and right.

6. The simplified ultrasonic trackball extractor according to claim 1, characterized in that: The side surface of the first connecting seat (7) is fixedly connected to the fixing block (14), and the lower surface of the fixing block (14) is in contact with the buckle seat (12).

7. The simplified ultrasonic trackball extractor according to claim 1, characterized in that: The outer surface of the sliding rod (15) is slidably connected to the sliding block (16), and the outer surface of the moving seat (17) is fixedly connected to the fixing column (19).

8. The simplified ultrasonic trackball extractor according to claim 1, characterized in that: One end of the spring (21) away from the movable seat (17) is fixedly connected to the fixed block (14), and the outer surface of the fixed block (14) is in contact with the movable seat (17).

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