Electric knife for sampling pathological samples

Abstract

An electric knife for sampling pathological samples relates to the technical field of pathological tools and is mainly structurally characterized in that a motor is mounted in a handle shell; the front end of an output shaft of the motor is fixedly connected with a first bevel gear with a vertical end face, and a second bevel gear with a horizontal end face is arranged on the upper left portion of the first bevel gear and meshed with the first bevel gear; the right end of a connecting rod is hinged to the upper end face of the second bevel gear, the left end of the connecting rod is hinged to the right end of a horizontally-arranged sliding rod, two sliding rod supporting columns are arranged below the sliding rod, guide grooves are fixedly connected to the tops of the sliding rod supporting columns, and the sliding rod is arranged in the two guide grooves in a sliding and penetrating mode; the sliding rod penetrates out of the left end of the handle shell and then is connected with a clamp, and the blade is detachably installed on the clamp in a clamped mode. A power supply unit is further installed in the handle shell, a control button is further installed on the handle shell, and the motor and the control button are electrically connected with the power supply unit. The pathological sample cutting device can realize electric pathological sample cutting, and is labor-saving and safe to operate and smooth in section.

Description

Technical Field

[0001] The utility model relates to the technical field of pathology tools, in particular to an electric knife for taking pathology samples. Background Art

[0002] The cutting method for pathological specimens has always been the most primitive manual cutting method. The current sampling knife adopts a simple structure of a solid handle, a clamp and a blade, that is, one end of the clamp is connected to the handle, and the blade is installed on the clamp. The handle is generally made of solid wood. The cutting of the pathological sample is completed by holding the handle, pressing it down and pulling it left and right.

[0003] The disadvantages of existing cutting knives are: it takes a long time to cut a large amount of raw materials; the slices are not smooth due to manual cutting; it is not strong enough to cut hard specimens, which makes it very difficult; when cutting with great force, it is easy to slip accidentally and cause accidents; the cutting knife is easily damaged and can only be thrown away and replaced with a new one. Utility Model Content

[0004] The utility model aims to provide an electric knife for taking pathological samples, which can realize electric cutting of pathological samples, and has labor-saving and safe operation, smooth slices and improved efficiency.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is: an electric knife for taking pathological samples, comprising a handle shell and a motor fixedly installed inside the handle shell;

[0006] The front end of the output shaft of the motor is fixedly connected with a first bevel gear with an end face in a vertical direction, and the fixed connection method can be a common technical means such as a key connection or a pin connection. A second bevel gear with an end face in a horizontal direction is arranged on the upper left of the first bevel gear, and the first bevel gear and the second bevel gear are meshed with each other to form an orthogonal bevel gear transmission mechanism; the second bevel gear is installed on a gear support through a bearing, and the gear support is located below the second bevel gear and is fixedly installed on the inner wall of the handle shell;

[0007] The right end of the connecting rod is hinged to the upper end surface of the second bevel gear, and the left end of the connecting rod is hinged to the right end of the horizontally arranged sliding rod. Two sliding rod pillars fixedly installed on the inner wall of the handle shell are arranged below the sliding rod. The top of the sliding rod pillar is fixedly connected with a guide groove, and the sliding rod slides through the two guide grooves.

[0008] The slide rod is connected to a clamp after passing through the left end of the handle shell, and the blade is detachably mounted on the clamp; in this way, only the damaged and worn blade can be replaced, thereby reducing the use cost;

[0009] A power supply unit is also installed in the handle shell, and a control button is also installed on the handle shell. The motor, the control button and the power supply unit are electrically connected.

[0010] The working principle of the utility model is:

[0011] After pressing the control button, the motor is energized to drive the first bevel gear. The first bevel gear and the second bevel gear mesh with each other to form an orthogonal bevel gear transmission mechanism. Since the intersection angle of the rotation axes of the two bevel gears is 90 degrees, the rotation of the motor output shaft is converted into gear rotation in the horizontal direction.

[0012] Since the right end of the connecting rod is hinged to the upper end face of the second bevel gear, specifically, it is hinged to a point on the radius of the upper end face of the second bevel gear at a set distance from the axis center, the second bevel gear, the connecting rod, the sliding rod hinged to the connecting rod, and the guide groove guiding the sliding rod together constitute a crank-connecting rod mechanism, which converts the horizontal rotation of the second bevel gear into the left and right reciprocating motion of the sliding rod in the horizontal direction, and finally the sliding rod drives the blade installed on the fixture to achieve cutting of the pathological sample.

[0013] Furthermore, the guide path center line of the slide rod passes through the center of the upper end surface of the second bevel gear.

[0014] Furthermore, the power supply unit is a rechargeable battery with a battery management module, and the battery management module is used to implement a charging control function and a power supply voltage conversion function to provide a suitable voltage to the motor. In this case, a charging port is provided on the handle shell.

[0015] Furthermore, a motor speed control unit is fixedly installed in the handle shell, and the motor speed control unit is electrically connected to the motor, the control button, and the power supply unit, so that the motor speed can be adjusted through the motor speed control unit, thereby adjusting the blade cutting speed. In a specific implementation, it can be set to switch between low speed, medium speed, high speed, and shutdown states each time the control button is pressed.

[0016] Furthermore, the sliding rod and the clamp are detachably connected.

[0017] Furthermore, the detachable connection between the slide bar and the clamp is a bolt connection.

[0018] Furthermore, the fixture is also provided with scale lines.

[0019] The beneficial effects of the utility model are:

[0020] Using electric cutting for pathology samples saves effort, is fast and efficient. It is safer to use because it is less likely to slip when cutting vigorously. It can also ensure smooth slices and the blades are replaceable, which reduces the cost of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a longitudinal cross-sectional view of an embodiment of the utility model;

[0022] Figure 2 A longitudinal cross-sectional view of an orthogonal bevel gear transmission mechanism according to an embodiment of the utility model;

[0023] Figure 3 A top view of a crank-connecting rod mechanism according to an embodiment of the utility model;

[0024] Figure 4 This is a left view of the slide bar and guide groove of the embodiment of the utility model;

[0025] Figure 5 It is a schematic diagram of the three-dimensional structure of the clamp according to an embodiment of the utility model. DETAILED DESCRIPTION

[0026] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0027] Figures 1 to 5 A specific embodiment of the utility model is shown, which is an electric knife for collecting pathological samples, comprising a handle shell 1 and a motor 2 fixedly installed inside the handle shell 1;

[0028] The front end of the output shaft of the motor 2 is fixedly connected with a first bevel gear 3 with a vertical end face by a key connection, and a second bevel gear 4 with a horizontal end face is arranged on the upper left of the first bevel gear 3, and the first bevel gear 3 and the second bevel gear 4 are meshed with each other to form an orthogonal bevel gear transmission mechanism; the second bevel gear 4 is installed on a gear support 6 through a bearing 5, and the gear support 6 is located below the second bevel gear 4 and fixedly installed on the inner wall of the handle shell 1;

[0029] The right end of the connecting rod 7 is hinged to the upper end surface of the second bevel gear 4, and the left end of the connecting rod 7 is hinged to the right end of the horizontally arranged sliding rod 8. Two sliding rod pillars 9 fixedly installed on the inner wall of the handle shell 1 are arranged below the sliding rod 8. The top of the sliding rod pillar 9 is fixedly connected with a guide groove 10, and the sliding rod 8 slides through the two guide grooves 10; the guide path center line of the sliding rod 8 passes through the center of the upper end surface of the second bevel gear 4; in this embodiment, the guide groove 10 is a square frame structure, and the cross section of the sliding rod 8 is square; the second bevel gear 4, the connecting rod 7, the sliding rod 8, and the guide groove 10 together constitute a crank connecting rod mechanism;

[0030] The slide bar 8 is connected to a clamp 11 after passing through the left end of the handle shell 1. Scale lines are provided on the front and rear surfaces of the clamp 11. The blade 14 is detachably mounted on the clamp 11. Specifically:

[0031] The right end of the clamp 11 is connected to the slide bar 8 by bolts. The clamp 11 has a front clamping part 1101 and a rear clamping part 1102. The upper parts of the front clamping part 1101 and the rear clamping part 1102 are connected, there is a certain gap between the middle parts, and the lower parts are in contact with each other but not connected. The blade 14 can be inserted into the above gap from the left end of the clamp 11 and continue to be pushed to the right. Since the structure of the clamp 11 is elastic, the blade 14 spreads the middle and lower parts of the front clamping part 1101 and the rear clamping part 1102, so that the upper part of the blade 14 is clamped between the middle and lower parts of the front clamping part 1101 and the rear clamping part 1102, and the blade is installed by the clamping force between the front clamping part 1101 and the rear clamping part 1102.

[0032] A power supply unit 12 is also installed in the handle shell 1, and the power supply unit 12 is a rechargeable battery with a battery management module; a control button 13 is also installed on the handle shell 1, and the motor 2 and the control button 13 are electrically connected to the power supply unit 12.

[0033] In this embodiment, a motor speed control unit 15 is fixedly installed in the handle shell 1 , and the motor speed control unit 15 is electrically connected to the motor 2 , the control button 13 , and the power supply unit 12 .

[0034] The above embodiments of the utility model are merely examples for explaining the utility model, and are not intended to limit the implementation methods of the utility model. For ordinary technicians in the relevant field, other different forms of changes and modifications can be made based on the above description. It is impossible to list all the implementation methods here. All obvious changes or modifications derived from the technical solution of the utility model are still within the scope of protection of the utility model.

Claims

1. An electric knife for collecting pathological samples, characterized in that: It comprises a handle shell (1) and a motor (2) fixedly installed inside the handle shell (1); The front end of the output shaft of the motor (2) is fixedly connected to a first bevel gear (3) with an end face in a vertical direction, and a second bevel gear (4) with an end face in a horizontal direction is arranged on the upper left of the first bevel gear (3), and the first bevel gear (3) and the second bevel gear (4) are meshed with each other to form an orthogonal bevel gear transmission mechanism; the second bevel gear (4) is mounted on a gear support (6) through a bearing (5), and the gear support (6) is located below the second bevel gear (4) and is fixedly mounted on the inner wall of the handle shell (1); The right end of the connecting rod (7) is hinged to the upper end surface of the second bevel gear (4), and the left end of the connecting rod (7) is hinged to the right end of a horizontally arranged sliding rod (8). Two sliding rod pillars (9) fixedly mounted on the inner wall of the handle shell (1) are arranged below the sliding rod (8). The top of the sliding rod pillar (9) is fixedly connected with a guide groove (10), and the sliding rod (8) is slidably inserted into the two guide grooves (10); The slide rod (8) is connected to a clamp (11) after passing through the left end of the handle shell (1), and the blade (14) is detachably mounted on the clamp (11); A power supply unit (12) is also installed in the handle shell (1), and a control button (13) is also installed on the handle shell (1); the motor (2), the control button (13) and the power supply unit (12) are electrically connected.

2. The electric knife for collecting pathological samples according to claim 1, characterized in that: The guide path center line of the slide rod (8) passes through the center of the upper end surface of the second bevel gear (4).

3. The electric knife for collecting pathological samples according to claim 1, characterized in that: The power supply unit (12) is a rechargeable battery with a battery management module.

4. The electric knife for collecting pathological samples according to claim 1, characterized in that: A motor speed control unit (15) is also fixedly installed in the handle shell (1), and the motor speed control unit (15) is electrically connected to the motor (2), the control button (13), and the power supply unit (12).

5. The electric knife for collecting pathological samples according to claim 1, characterized in that: The sliding rod (8) and the clamp (11) are detachably connected.

6. The electric knife for collecting pathological samples according to claim 5, characterized in that: The detachable connection between the slide bar (8) and the clamp (11) is a bolt connection.

7. The electric knife for collecting pathological samples according to claim 1, characterized in that: The clamp (11) is also provided with scale lines.

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