Small cutting tool with protection function

Abstract

The utility model discloses a small cutting tool with a protection function. The small cutting tool comprises a rack and an electric unit. The middle of the rack is slidably connected with a cutter seat, the lower end of the cutter seat is provided with a cutter, the right end of the rack is provided with a V-shaped seat, the middle of the rack is provided with a protective shell, the right side face of the protective shell is rotatably connected with a protective cover, the lower end of the protective cover is provided with an overturning detection assembly, and the lower end of the protective cover is slidably connected with a guide plate moving vertically. The guide plate is positioned above the V-shaped seat; and the electric unit is used for driving the cutter base to move up and down, a control switch is arranged on the upper surface of the rack, and the input end of the control switch is electrically connected with an external power source. According to the small cutting tool with the protection function, an electric structure can be used for driving the cutter to move up and down in a reciprocating mode, and a turnover protective cover is arranged on the feeding side of the cutter for protection; and the opening state can be detected, the protection performance is good, overhauling is convenient, use is convenient, and safety is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to cut off tool technical field, concretely is a small cutting tool with protection. BACKGROUND

[0002] It is known that it is crucial for medical apparatus to avoid repeated use, which can prevent cross infection and guarantee patient safety, for example, repeated use of disposable infusion apparatus and blood transfusion apparatus can lead to disease transmission, and when discarded after use, it needs to be cut into several sections, and currently, scissors are used to cut, which has simple structure and low use cost, but the section of infusion apparatus and blood transfusion apparatus is hard and relatively sharp, and thus cutting is laborious, and lacks a protective structure, and thus the convenience in use is affected when cutting is laborious, and the use safety is low. UTILITY MODEL CONTENT

[0003] The utility model solves the technical problem of overcoming the defects of the prior art, and provides a small cutting tool with protection, which can drive the cutting knife to reciprocatingly move up and down by using an electric structure, a reversible protective cover is arranged on the feeding side of the cutting knife for protection, and the opened state can be detected, so that the protection is good and convenient for maintenance, the use is convenient and safe, and the problems in the background art can be effectively solved.

[0004] To achieve the above object, the utility model provides the following technical scheme: a small cutting tool with protection, comprising a rack and an electric unit;

[0005] The rack: the middle part is slidably connected with a cutting knife seat, the lower end of the cutting knife seat is provided with a cutting knife, the right end of the rack is provided with a V-shaped seat, the middle part of the rack is provided with a protective shell, the right side surface of the protective shell is rotatably connected with a protective cover, the lower end of the protective cover is provided with a turnover detection assembly, the lower end of the protective cover is slidably connected with a vertically moving guide plate, and the guide plate is located above the V-shaped seat;

[0006] The electric unit: used for driving the up and down movement of the cutting knife seat, the cutting knife can reciprocatingly move up and down by using an electric structure, and a reversible protective cover is arranged on the feeding side of the cutting knife, which is simple to open and convenient for maintenance, and the opened state can be detected, so that the small cutting tool with protection is convenient and safe to use.

[0007] Further, the upper surface of the rack is provided with a control switch, and the input end of the control switch is electrically connected with an external power supply, so that the control of the electric appliance is facilitated.

[0008] Further, the electric unit comprises a worm wheel, a worm, a motor, a rotating shaft and a slide post, the rotating shaft is rotationally connected to the middle part of the frame, the slide post is arranged at the edge of the right side surface of the rotating shaft, the slide post is in sliding connection with the long slide connection in the middle part of the cutter seat, the worm wheel is arranged at the left end of the outer arc surface of the rotating shaft, the motor is arranged on the upper surface of the frame, the worm is rotationally connected to the left end of the frame, the worm is in meshing connection with the worm wheel, the output shaft of the motor is fixedly connected to the upper end of the worm, the input end of the motor is electrically connected to the output end of the control switch, and the reciprocating up-down movement of the cutter can be controlled.

[0009] Further, the turnover detection assembly is a micro switch, the micro switch is arranged at the lower end of the protective shell, the micro switch is arranged in cooperation with the protective cover, the micro switch is connected in series between the input end of the motor and the output end of the control switch, and the position of the protective cover is conveniently detected.

[0010] Further, the front end and the rear end of the protective cover are both provided with magnets, and the frame and the protective shell are both arranged in cooperation with the magnets, so that the positioning of the protective cover is facilitated.

[0011] Further, the upper surface of the guide plate is provided with two guide rods, both of which are in sliding connection with the right end of the protective cover, the lower end of the outer arc surface of each of the two guide rods is movably sleeved with a spring, and both of the springs are located between the guide plate and the upper side wall of the protective cover, so that the guide plate is provided with movement guidance.

[0012] Further, the middle part of the protective cover is provided with an observation window, so that the state of the cutter can be observed.

[0013] Compared with the prior art, the small cutting tool with protection has the following advantages.

[0014] The cutter can be driven to move up and down reciprocatingly by using the electric structure, the protective cover which can be turned over is arranged at the feeding side of the cutter, the protective cover is simple to open and convenient to maintain, the opened state can be detected, the small cutting tool with protection is convenient to use and has high use safety. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structural schematic view of the utility model;

[0016] Fig. 2 It is a sectional structural schematic view of the protective cover of the utility model;

[0017] Fig. 3 It is a sectional structural schematic view of the left side of the electric unit of the utility model.

[0018] In the figure: 1 frame, 2 V-shaped seat, 3 cutter seat, 4 cutter, 5 guide plate, 6 electric unit, 61 worm wheel, 62 worm, 63 motor, 64 rotating shaft, 65 slide column, 7 protective shell, 8 protective cover, 9 guide rod, 10 spring, 11 observation window, 12 control switch, 13 magnet, 14 micro switch. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] Please refer to Figs. 1-3 The embodiment provides a technical scheme: a small cutting tool with protection, comprising a frame 1 and an electric unit 6.

[0021] The rack 1 is slidably connected with the cutter seat 3 in the middle, the rack 1 provides support for other components, the lower end of the cutter seat 3 is provided with the cutter 4, the right end of the rack 1 is provided with the V-shaped seat 2, the cutter seat 3 slides up and down along the rack 1, the cutter seat 3 drives the cutter 4 to move synchronously, then the infusion tube to be cut off is inserted along the V-shaped seat 2 to the left, the middle of the rack 1 is provided with the protective shell 7, the right side of the protective shell 7 is rotatably connected with the protective cover 8, the cutter 4 is connected with the cutter seat 3 through screws, when the cutter 4 needs to be maintained and replaced, the protective cover 8 can be pulled upwards, the protective cover 8 rotates around the rotating shaft at the upper end of the protective cover 8, the guide plate 5 can be retracted into the protective cover 8 and does not interfere with the rotation of the protective cover 8, the lower end of the protective cover 8 is provided with the turnover detection assembly, the lower end of the protective cover 8 is slidably connected with the vertically moving guide plate 5, the guide plate 5 is located above the V-shaped seat 2, the infusion tube moves to the left along the guide plate 5 and below the cutter 4, the right side of the cutter 4 contacts the left side of the V-shaped seat 2, the cutter 4 cuts off the infusion tube, the upper surface of the rack 1 is provided with the control switch 12, the input end of the control switch 12 is electrically connected with an external power supply, the front and rear ends of the protective cover 8 are provided with the magnets 13, the rack 1 and the protective shell 7 are matched with the magnets 13, the protective cover 8 drives the magnets 13 to rotate and separate from the protective shell 7, then the magnets 13 are magnetically attracted and adsorbed to the right side of the upper end of the rack 1 to position the protective shell 7, the upper surface of the guide plate 5 is provided with two guide rods 9, the two guide rods 9 are slidably connected with the right end of the protective cover 8, the guide rods 9 provide movement guidance for the guide plate 5, the lower end of the outer arc surface of the two guide rods 9 is movably sleeved with the springs 10, the two springs 10 are located between the guide plate 5 and the upper side wall of the protective cover 8, the springs 10 provide downward pressure for the guide plate 5, facilitate the downward pressing and guiding of the infusion tube, the accessories on the infusion tube push the guide plate 5 upwards, facilitate the passing of the infusion tube, the middle of the protective cover 8 is provided with the observation window 11, the observation window 11 is a plexiglass observation window, the user can observe the up-down position of the cutter 4 through the observation window 11 during cutting, facilitate the user to determine the timing of the infusion tube;

[0022] The electric unit 6 is used for driving the up and down movement of the cutter seat 3, and comprises a worm wheel 61, a worm 62, a motor 63, a rotating shaft 64 and a slide column 65. The rotating shaft 64 is rotationally connected to the middle part of the frame 1, and the slide column 65 is arranged at the edge of the right side surface of the rotating shaft 64. The slide column 65 is in sliding connection with the long sliding hole in the middle part of the cutter seat 3. The worm wheel 61 is arranged at the left end of the outer arc surface of the rotating shaft 64. The motor 63 is arranged on the upper surface of the frame 1. The worm 62 is rotationally connected to the left end of the frame 1 and is in meshing connection with the worm wheel 61. The output shaft of the motor 63 is fixedly connected to the upper end of the worm 62. The input end of the motor 63 is electrically connected to the output end of the control switch 12. When the motor 63 is operated, the output shaft of the motor 63 drives the rotating shaft 64 to rotate through the worm 62 and the worm wheel 61. The rotating shaft 64 drives the slide column 65 to move in a circular manner. The axis of the slide column 65 is not coincident with the axis of the rotating shaft 64. The slide column 65 is in transverse sliding connection with the long sliding hole in the middle part of the cutter seat 3. The micro switch 14 is arranged at the lower end of the protective shell 7 and is arranged in cooperation with the protective cover 8. The micro switch 14 is connected in series between the input end of the motor 63 and the output end of the control switch 12. When the protective shell 7 no longer presses the micro switch 14, the normally open contact in the micro switch 14 is reset, the input end of the motor 63 is disconnected from the output end of the control switch 12, and the motor 63 can be prevented from being accidentally opened for work, thereby ensuring the safety during maintenance.

[0023] The working principle of the small cutting tool with protection provided by the utility model is as follows: when in use, the control switch 12 is regulated and controlled, the motor 63 is operated, the output shaft of the motor 63 drives the rotating shaft 64 to rotate through the worm 62 and the worm wheel 61, the rotating shaft 64 drives the slide column 65 to move in a circular path, the axis of the slide column 65 is not coincident with the axis of the rotating shaft 64, the slide column 65 slides transversely in the long slide hole in the middle of the cutter holder 3, simultaneously driving the cutter holder 3 to slide up and down along the rack 1, the cutter holder 3 drives the cutter 4 to move synchronously, then the infusion tube to be cut off is inserted into the V-shaped seat 2 to the left and moved to the lower side of the cutter 4 along the guide plate 5, the right side surface of the cutter 4 contacts the left side surface of the V-shaped seat 2, the cutter 4 moving downward cuts off the infusion tube, the position of the cutter 4 can be observed through the observation window 11 during the cutting process, the user can determine the timing of the infusion tube being inserted, the cutter 4 is connected with the cutter holder 3 through the screw, when the cutter 4 needs to be maintained and replaced, the protective cover 8 can be pulled upward, the protective cover 8 rotates around the rotating shaft at the upper end of the protective cover 8, the guide plate 5 can be retracted into the interior of the protective cover 8 and does not interfere with the rotation of the protective cover 8, the protective cover 8 drives the magnet 13 to rotate and separate from the protective shell 7, then the magnet 13 is magnetically attracted and adsorbed to the right side surface at the upper end of the rack 1 to position the protective shell 7, then the cutter 4 is exposed for maintenance, meanwhile the protective shell 7 no longer presses the micro switch 14, the normally open contact in the micro switch 14 resets, the input end of the motor 63 is disconnected with the output end of the control switch 12, thereby the motor 63 can be prevented from being accidentally turned on to work, ensuring the safety during maintenance.

[0024] It is worth noting that the motor 63 and the micro switch 14 disclosed in the above embodiment can be freely configured according to the actual application scene, the motor 63 can be a brushless motor with a model number of 63BLS, the micro switch 14 can be a micro switch with a model number of DB3C-A1 LB, and the control switch 12 is provided with a switch button corresponding to the motor 63 for controlling the switch work of the motor 63.

[0025] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion by using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A small cutting tool with protection, characterized by: The utility model relates to a cutting machine, including frame (1) and electric unit (6). Frame (1): the lower end of cutting knife seat (3) is equipped with cutting knife (4), the right end of frame (1) is equipped with V type seat (2), the middle part of frame (1) is equipped with protective shell (7), the right side surface of protective shell (7) is rotatably connected with protective cover (8), the lower end of protective cover (8) is equipped with turnover detection assembly, the lower end of protective cover (8) is slidably connected with vertical moving guide plate (5), and guide plate (5) is located above V type seat (2). Electric unit (6): be used to drive the up-down movement of cutting knife seat (3).

2. A small cutting tool with a guard according to claim 1, characterized in that: The upper surface of the frame (1) is provided with a control switch (12), and the input end of the control switch (12) is electrically connected with an external power supply.

3. A small cutting tool with a guard according to claim 2, characterized in that: The electric unit (6) includes a worm gear (61), a worm (62), a motor (63), a rotating shaft (64) and a slide column (65), the rotating shaft (64) is rotatably connected to the middle part of the frame (1), the edge of the right side surface of the rotating shaft (64) is provided with the slide column (65), the slide column (65) is slidably connected with the middle part of the cutting knife seat (3), the left end of the outer arc surface of the rotating shaft (64) is provided with the worm gear (61), the upper surface of the frame (1) is provided with the motor (63), the left end of the frame (1) is rotatably connected with the worm (62), the worm (62) is meshingly connected with the worm gear (61), the output shaft of the motor (63) is fixedly connected with the upper end of the worm (62), and the input end of the motor (63) is electrically connected with the output end of the control switch (12).

4. A small cutting tool with a guard according to claim 3, characterized in that: The turnover detection assembly is a micro switch (14), which is arranged at the lower end of the protective shell (7) and cooperates with the protective cover (8), and the micro switch (14) is connected in series between the input end of the motor (63) and the output end of the control switch (12).

5. The small cutting tool with a guard according to claim 1, characterized in that: The front and rear ends of the protective cover (8) are provided with magnets (13), and the frame (1) and the protective shell (7) are arranged in cooperation with the magnets (13).

6. The small cutting tool with a guard according to claim 1, characterized in that: The upper surface of the guide plate (5) is provided with two guide rods (9), both of which are slidably connected with the right end of the protective cover (8), and the lower end of the outer arc surface of each guide rod (9) is movably sleeved with a spring (10), both of which are located between the guide plate (5) and the upper side wall of the protective cover (8).

7. The small cutting tool with a guard according to claim 1, characterized in that: The middle part of the protective cover (8) is provided with an observation window (11). The utility model relates to a cutting machine, including frame (1) and electric unit (6).

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