Electric scissors

Abstract

The invention discloses an electric scissors, comprising a housing, a first cutting blade, a second cutting blade, a connecting assembly and a driving mechanism; the first cutting blade is rotatably connected to the housing, the first cutting blade is provided with a first connecting portion, and the connection between the first cutting blade and the housing is located between the first connecting portion and the blade body of the first cutting blade; the second cutting blade is hinged to the first cutting blade, the second cutting blade is provided with a second connecting portion, and the connection between the second cutting blade and the first cutting blade is located between the second connecting portion and the blade body of the second cutting blade; the connecting assembly is provided on the housing, and the connecting assembly is respectively connected to the first connecting portion and the second connecting portion; the driving mechanism is connected to the connecting assembly, and the driving mechanism can drive the first connecting portion and the second connecting portion to move away from or close to each other through the connecting assembly. This double-action shearing can make the two cutting blades move relative to each other at the same time, so that the cutting line is located at the midline position, so as to improve the shearing quality and shearing feel.

Description

Technical Field

[0001] The invention relates to the technical field of agricultural and garden pruning tools, in particular to electric scissors. Background Art

[0002] Electric pruning shears are an efficient pruning tool, commonly used for pruning garden branches and leaves. Some common electric pruning shears include a moving blade and a fixed blade. The fixed blade is fixed on the housing, and the moving blade is driven by a push rod or a gear to move up and down at one end, so that the two blades are relatively closed or separated, thereby achieving the effect of automatic pruning. However, since only the moving blade is moving in this type of electric pruning shears, the cutting line is located on the fixed blade, and most people are used to using scissors in which the cutting line is located at the midline position when the two blades are open. Therefore, when using this type of electric pruning shears, some people are used to placing the object to be pruned at the midline when the two blades are open, and only the moving blade is moving during shearing. When the moving blade contacts the object to be pruned, it is still not sheared, and eventually the object to be pruned is offset from its original position, resulting in poor pruning amount and poor shearing feel, which brings inconvenience to the user. Summary of the invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides an electric scissors, which can make two cutting blades move relative to each other at the same time, so that the cutting line is located at the midline position, thereby improving the cutting quality.

[0004] According to an embodiment of the present invention, an electric scissors comprises a shell, a first cutting blade, a second cutting blade, a connecting assembly and a driving mechanism; the first cutting blade is rotatably connected to the shell, the first cutting blade is provided with a first connecting portion, and the connection between the first cutting blade and the shell is located between the first connecting portion and the blade body of the first cutting blade; the second cutting blade is hinged to the first cutting blade, the second cutting blade is provided with a second connecting portion, and the connection between the second cutting blade and the first cutting blade is located between the second connecting portion and the blade body of the second cutting blade; the connecting assembly is provided on the shell, and the connecting assembly is respectively connected to the first connecting portion and the second connecting portion; the driving mechanism is connected to the connecting assembly, and the driving mechanism can drive the connecting assembly to move along the length direction of the shell to make the first connecting portion and the second connecting portion move away from or closer to each other.

[0005] The electric scissors according to the embodiment of the present invention have at least the following beneficial effects: the first connection part and the blade body of the first cutting blade are respectively arranged on both sides of the connection between the first cutting blade and the second cutting blade, and the second connection part and the second cutting blade are respectively arranged on both sides of the connection between the first cutting blade and the second cutting blade. Therefore, when the first connection part and the second connection part are moved closer to or away from each other, the blade body of the first cutting blade and the blade body of the second cutting blade will also perform a shearing or opening action accordingly, and the driving mechanism is moved along the length direction of the shell to drive the first connection part and the second connection part to move closer to or away from each other, thereby realizing automatic shearing of the electric scissors. The movements of the first connecting part and the second connecting part are relative and simultaneous, so the blade body of the first shearing blade and the blade body of the second shearing blade also move relatively to each other at the same time during the shearing process. As a result, this double-action shearing can make the two shearing blades move relative to each other at the same time, so that the shearing line is located at the center line. In actual application, the object to be trimmed is placed at the center line, and the driving mechanism is controlled to bring the first shearing blade and the second shearing blade closer and closed. Since the shearing line of the first shearing blade and the second shearing blade basically coincides with the object to be trimmed, the object to be trimmed is accurately sheared without displacement, thereby improving the shearing feel and shearing quality.

[0006] According to some embodiments of the present invention, the connecting assembly includes a moving part, a first connecting rod and a second connecting rod, and the driving mechanism can drive the moving part to move along the length direction of the shell; one end of the first connecting rod is rotationally connected to one side of the moving part, and the other end of the first connecting rod is rotationally connected to the first connecting part, one end of the second connecting rod is rotationally connected to the other side of the moving part, and the other end of the second connecting rod is rotationally connected to the second connecting part; the moving part is driven to move along the length direction of the shell by the driving mechanism, so that the first connecting rod drives the first connecting part away from or close to the axis of the moving part, and the second connecting rod drives the second connecting part away from or close to the axis of the moving part, and the first connecting rod and the second connecting rod move relative and simultaneously, and finally the first shear blade and the second shear blade double-acting for shearing are achieved, thereby increasing the shear force.

[0007] Or one end of the first connecting rod is rotationally connected to one side of the moving member, the other end of the first connecting rod is rotationally connected to the second connecting part, one end of the second connecting rod is rotationally connected to the other side of the moving member, and the other end of the second connecting rod is rotationally connected to the first connecting part. The moving member is driven to move along the length direction of the shell by the driving mechanism, so that the first connecting rod drives the second connecting part away from or close to the axis of the moving member, and the second connecting rod drives the first connecting part away from or close to the axis of the moving member. The first connecting rod and the second connecting rod move relative and simultaneously, and finally the first shear blade and the second shear blade double-act to shear, thereby increasing the shear force;

[0008] According to some embodiments of the present invention, the moving member is configured as a nut, the driving mechanism includes a motor and a screw threadedly engaged with the nut, the motor is disposed in the housing, the motor is connected to the screw and can drive the screw to rotate. The motor drives the screw to rotate, thereby causing the nut to move along the axial direction of the screw, causing the first connecting rod and the second connecting rod to drive the first connecting part and the second connecting part to move closer to or away from each other, and finally causing the first shear blade and the second shear blade to move relative to each other at the same time, thereby realizing double-action shearing of the first shear blade and the second shear blade.

[0009] According to some embodiments of the present invention, the motor is connected to the screw rod via a reduction transmission mechanism. By providing the reduction transmission mechanism, the rotation speed of the screw rod is appropriately reduced, the output torque of the screw rod is increased, and the shearing force of the first shearing blade and the second shearing blade is further increased.

[0010] According to some embodiments of the present invention, the reduction transmission mechanism is configured as a planetary gear reducer, which has the advantages of high precision, high rigidity and large output torque, and has a low failure rate, a long practical life and is easy to maintain.

[0011] According to some embodiments of the present invention, a third connecting rod is provided between the moving member and the first connecting rod and between the moving member and the second connecting rod, and the third connecting rod can rotate in an up-down direction. By providing the third connecting rod, when the moving member pushes the first connecting rod and the second connecting rod, appropriate relative shaking is allowed between the moving member and the first connecting rod and the second connecting rod, thereby improving the fault tolerance rate and smoothness of the first connecting rod and the second connecting rod, thereby improving the reliability of the transmission of the screw rod and the moving member.

[0012] According to some embodiments of the present invention, a clamping limit sleeve is further included, the clamping limit sleeve is arranged on the housing, the clamping limit sleeve is provided with a clamping groove, the moving part is arranged in the clamping groove, and the outer side of the moving part is provided with a limit plane that cooperates with the side wall of the clamping groove. The circumferential direction of the moving part is limited by the cooperation of the two side walls of the clamping groove with the limit plane, so as to prevent the moving part from rotating during the transmission process between the screw rod and the moving part, so as to ensure the reliability of the movement of the moving part.

[0013] According to some embodiments of the present invention, the nut includes a limiting outer sleeve and a ball inner sleeve, the ball inner sleeve is arranged in the limiting outer sleeve, and the ball inner sleeve cooperates with the screw rod to improve the smoothness of the cooperation between the screw rod and the moving part.

[0014] According to some embodiments of the present invention, the first cutting blade is provided with a first convex curved blade edge, and the second cutting blade is provided with a second concave curved blade edge. During the cutting process, the first curved blade edge and the second curved blade edge cooperate with each other, and can effectively limit the object through their own curved edges to prevent the object from slipping out of the first cutting blade and the second cutting blade.

[0015] According to some embodiments of the present invention, the screw rod is provided with a bearing, the inner ring of the bearing is fixedly connected to the screw rod, and the outer ring of the bearing is fixedly connected to the housing. The bearing provides effective support for the screw rod to prevent the screw rod from shaking significantly during rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 is a schematic diagram of an electric scissors according to an embodiment of the present invention;

[0018] Figure 2 for Figure 1 The internal structure diagram of the electric scissors shown;

[0019] Figure 3 for Figure 1 A schematic cross-sectional view of the electric scissors shown;

[0020] Figure 4 for Figure 1 An exploded schematic diagram of the electric scissors is shown.

[0021] Reference numerals:

[0022] Shell 100, first shearing blade 210, first connecting part 211, second shearing blade 220, second connecting part 221, connecting assembly 300, moving part 310, limiting sleeve 311, ball inner sleeve 312, first connecting rod 320, second connecting rod 330, third connecting rod 340, motor 410, screw 420, reduction transmission mechanism 430, planetary gear assembly 431, fixed sleeve 432, bearing 440, clamping limiting sleeve 500, clamping groove 510. DETAILED DESCRIPTION

[0023] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0024] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] In the description of the present invention, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0026] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0027] like Figure 1 and Figure 2 As shown, an electric scissors according to an embodiment of the present invention includes a shell 100, a first cutting blade 210, a second cutting blade 220, a connecting assembly 300 and a driving mechanism; the first cutting blade 210 is rotatably connected to the shell 100, the first cutting blade 210 is provided with a first connecting portion 211, and the connection between the first cutting blade 210 and the shell 100 is located between the first connecting portion 211 and the blade body of the first cutting blade 210; the second cutting blade 220 is hinged to the first cutting blade 210, the second cutting blade 220 is provided with a second connecting portion 221, and the connection between the second cutting blade 220 and the first cutting blade 210 is located between the second connecting portion 221 and the blade body of the second cutting blade 220; the connecting assembly 300 is provided on the shell 100, and the connecting assembly 300 is respectively connected to the first connecting portion 211 and the second connecting portion 221; the driving mechanism is connected to the connecting assembly 300, and the driving mechanism can drive the first connecting portion 211 and the second connecting portion 221 to move away from or approach each other through the connecting assembly 300.

[0028] Specifically, the first connecting portion 211 and the blade body of the first cutting blade 210 are respectively arranged on both sides of the connection between the first cutting blade 210 and the second cutting blade 220, and the second connecting portion 221 and the second cutting blade 220 are respectively arranged on both sides of the connection between the first cutting blade 210 and the second cutting blade 220. Therefore, when the first connecting portion 211 and the second connecting portion 221 move closer to or away from each other, the blade body of the first cutting blade 210 and the blade body of the second cutting blade 220 will also perform a shearing or opening action accordingly, and the driving mechanism moves along the length direction of the shell 100, driving the first connecting portion 211 and the second connecting portion 221 to move closer to or away from each other, thereby realizing automatic shearing of the electric scissors. Since the movements of the first connecting portion 211 and the second connecting portion 221 are relative and simultaneous, the blades of the first cutting blade 210 and the second cutting blade 220 also move relative to each other simultaneously during the cutting process. Therefore, this double-action shearing can make the two cutting blades move relative to each other at the same time, so that the cutting line is located at the center line. In actual application, the object to be trimmed is placed at the center line, and the switch is started to close the first cutting blade 210 and the second cutting blade 220. The cutting lines of the first cutting blade 210 and the second cutting blade 220 basically coincide with the object to be trimmed, so that the object to be trimmed can be accurately cut without displacement, thereby improving the cutting feel and cutting quality.

[0029] In some embodiments of the present invention, Figure 2 and Figure 3 As shown, the connecting assembly 300 includes a moving member 310, a first connecting rod 320 and a second connecting rod 330, and the driving mechanism can drive the moving member 310 to move along the length direction of the housing 100;

[0030] Among them, one end of the first connecting rod 320 is rotationally connected to one side of the moving member 310, the other end of the first connecting rod 320 is rotationally connected to the first connecting portion 211, one end of the second connecting rod 330 is rotationally connected to the other side of the moving member 310, and the other end of the second connecting rod 330 is rotationally connected to the second connecting portion 221; the moving member 310 is driven to move along the length direction of the shell 100 by the driving mechanism, so that the first connecting rod 320 drives the first connecting portion 211 away from or close to the axis of the moving member 310, and the second connecting rod 330 drives the second connecting portion 221 away from or close to the axis of the moving member 310, and the first connecting rod 320 and the second connecting rod 330 move relative and simultaneously, and finally the first shear blade 210 and the second shear blade 220 double-acting shearing are performed, thereby increasing the shearing force; specifically, Figure 2 and Figure 3As shown, the first connection part 211 is located obliquely above the connection between the first shearing blade 210 and the second shearing blade 220, the first connection part 211 is provided with a first hinge hole, and the first connecting rod 320 is provided with a first hinge column corresponding to the first hinge hole. Similarly, the second connection part 221 is located obliquely below the connection between the first shearing blade 210 and the second shearing blade 220, the second connection part 221 is provided with a second hinge hole, and the second connecting rod 330 is provided with a second hinge column corresponding to the second hinge hole. Based on this arrangement, the first connection part 211 and the second connection part 221 move away from each other, which will drive the blade body of the first shearing blade 210 and the blade body of the second shearing blade 220 to close and shear each other.

[0031] Alternatively, in other embodiments, one end of the first connecting rod 320 is rotationally connected to one side of the moving member 310, the other end of the first connecting rod 320 is rotationally connected to the second connecting portion 221, one end of the second connecting rod 330 is rotationally connected to the other side of the moving member 310, and the other end of the second connecting rod 330 is rotationally connected to the first connecting portion 211. The moving member 310 is driven to move along the length direction of the housing 100 by the driving mechanism, so that the first connecting rod 320 drives the second connecting portion 221 away from or close to the axis of the moving member 310, and the second connecting rod 330 drives the first connecting portion 211 away from or close to the axis of the moving member 310. The first connecting rod 320 and the second connecting rod 330 move relative and simultaneously, and finally the first shear blade 210 and the second shear blade 220 perform double-action shearing, thereby increasing the shearing force. Specifically, the first connecting portion 211 is located obliquely below the connection between the first shear blade 210 and the second shear blade 220. The first connecting part 211 is provided with a first hinge hole, and the second connecting rod 330 is provided with a first hinge column corresponding to the first hinge hole. Similarly, the second connecting part 221 is located obliquely above the connection between the first shearing blade 210 and the second shearing blade 220, and the second connecting part 221 is provided with a second hinge hole, and the first connecting rod 320 is provided with a second hinge column corresponding to the second hinge hole. Based on this arrangement, when the first connecting part 211 and the second connecting part 221 are close to each other, the blade body of the first shearing blade 210 and the blade body of the second shearing blade 220 will be closed and sheared against each other.

[0032] Further, in some embodiments of the present invention, Figure 2 and Figure 3As shown, the moving member 310 is configured as a nut, and the driving mechanism includes a motor 410 and a screw rod 420 threadedly engaged with the nut. The motor 410 is disposed in the housing 100, and the motor 410 is connected to the screw rod 420 and can drive the screw rod 420 to rotate. The motor 410 drives the screw rod 420 to rotate, thereby causing the nut to move along the axial direction of the screw rod 420, so that the first connecting rod 320 and the second connecting rod 330 drive the first connecting portion 211 and the second connecting portion 221 to move closer to or away from each other, and finally the first shearing blade 210 and the second shearing blade 220 move relative to each other at the same time, thereby realizing the double-action shearing of the first shearing blade 210 and the second shearing blade 220.

[0033] Of course, in some other embodiments of the present invention, the driving mechanism can also be configured as an electric push rod, and the movable part 310 can be configured as a regular block. The rod portion of the electric push rod is fixedly connected to the movable part 310, and the movable part 310 is driven to move along the length direction of the shell 100 by extending or retracting the electric push rod, thereby controlling the opening or closing of the first shearing blade 210 and the second shearing blade 220, thereby realizing double-action shearing of the first shearing blade 210 and the second shearing blade 220.

[0034] In some embodiments of the present invention, Figure 2 and Figure 3 As shown, the motor 410 is connected to the screw rod 420 via a reduction transmission mechanism 430. By setting the reduction transmission mechanism 430, the rotation speed of the screw rod 420 is appropriately reduced, the output torque of the screw rod 420 is increased, and the shearing force of the first shearing blade 210 and the second shearing blade 220 is further increased.

[0035] Further, in some embodiments of the present invention, the reduction transmission mechanism 430 is configured as a planetary gear reducer, which has the advantages of high precision, high rigidity and large output torque, and has a low failure rate, a long practical life and is easy to maintain; specifically, as Figure 4As shown, the planetary gear reducer is a common reducer, including three groups of planetary gear assemblies 431 arranged in sequence along the axial direction of the screw rod 420, wherein each planetary gear assembly 431 includes a sun gear, a planetary gear and a planet carrier, one end face of the planet carrier is provided with a rotating shaft that cooperates with the planetary gear insertion, and the sun gear is fixed on the other end face of the planet carrier, and the output shaft of the motor 410 is fixed with a driving gear, which drives the planetary gears of the first group of planetary gear assemblies 431 to rotate through the driving gear, and the planet carrier drives the sun gear of the first group of planetary gear assemblies 431 to rotate, and the sun gear of the first group of planetary gear assemblies 431 meshes with the planetary gears of the second group of planetary gear assemblies 431 and rotates the planet carrier of the second group of planetary gear assemblies, and so on, according to the transmission ratio of the sun gear and the planetary gear, the effect of hierarchical deceleration is achieved, and finally, the inner gear ring of the planet carrier of the third group of planetary gear assemblies 431 meshes with the gear set on the screw rod 420 to rotate the screw rod 420. In addition, a fixed sleeve 432 is sleeved on the outer side of the planetary gear, and an inner gear ring meshing with the planetary gear is arranged inside the fixed sleeve 432. The fixed sleeve 432 protects the gears in the planetary gear reducer and ensures that the planetary gear can rotate smoothly.

[0036] Of course, in some embodiments, the number of sets of the planetary gear assembly 431 can also be one set, two sets, or more than three sets, which can be set accordingly according to actual application requirements and are not limited here.

[0037] In some embodiments of the present invention, Figure 2 , Figure 3 and Figure 4 As shown, a third connecting rod 340 is provided between the moving member 310 and the first connecting rod 320 and between the moving member 310 and the second connecting rod 330, and the third connecting rod 340 can rotate about the up and down direction. By providing the third connecting rod 340, when the moving member 310 pushes the first connecting rod 320 and the second connecting rod 330, appropriate relative shaking is allowed between the moving member 310 and the first connecting rod 320 and the second connecting rod 330, thereby improving the action tolerance rate and action smoothness of the first connecting rod 320 and the second connecting rod 330, thereby improving the action reliability of the screw rod 420 and the moving member 310 transmission. Among them, hinge shafts are arranged on the upper and lower sides of the nut, and one end of the third connecting rod 340 is provided with a hinge hole which cooperates with the hinge shaft of the nut to realize the third connecting rod 340 to rotate in the up and down directions. The other end of the third connecting rod 340 above the nut is rotatably connected to the first connecting rod 320, and the other end of the third connecting rod 340 below the nut is rotatably connected to the second connecting rod 330, so that the first connecting rod 320 and the second connecting rod 330 can adapt to the approach and distance of the first connecting part 211 and the second connecting part 221.

[0038] In some embodiments of the present invention, Figure 1 and Figure 4As shown, the housing 100 further includes a clamping and limiting sleeve 500, which is disposed on the housing 100. The clamping and limiting sleeve 500 is provided with a clamping groove 510, and the moving member 310 is disposed in the clamping groove 510. The outer side of the moving member 310 is provided with a limiting plane that cooperates with the side wall of the clamping groove 510. The circumferential direction of the moving member 310 is limited by the cooperation of the two side walls of the clamping groove 510 with the limiting plane, so as to prevent the moving member 310 from rotating during the transmission process between the screw rod 420 and the moving member 310, so as to ensure the reliability of the movement of the moving member 310.

[0039] In some embodiments of the present invention, Figure 4 As shown, the nut includes a limiting outer sleeve 311 and a ball inner sleeve 312. The ball inner sleeve 312 is arranged in the limiting outer sleeve 311. The ball inner sleeve 312 cooperates with the screw rod 420 to improve the smoothness of the cooperation between the screw rod 420 and the moving member 310. The limiting outer sleeve 311 limits the ball inner sleeve 312 so that the ball inner sleeve 312 cannot be separated from the limiting outer sleeve 311. The ball inner sleeve 312 is embedded with a plurality of balls that cooperate with the spiral track of the screw rod 420, so that the screw rod 420 rotates and drives the nut to move axially along the screw rod 420.

[0040] In some embodiments of the present invention, the first cutting blade 210 is provided with a first curved blade edge that is convex, and the second cutting blade 220 is provided with a second curved blade edge that is concave. In the process of cutting an object, the first curved blade edge and the second curved blade edge cooperate with each other, and can effectively limit the object through their own curved edges to prevent the object from slipping out of the first cutting blade 210 and the second cutting blade 220.

[0041] In some embodiments of the present invention, Figure 2 and Figure 3 As shown, the screw rod 420 is provided with a bearing 440, the inner ring of the bearing 440 is fixedly connected to the screw rod 420, and the outer ring of the bearing 440 is fixedly connected to the housing 100. The bearing 440 provides effective support for the screw rod 420 to prevent the screw rod 420 from shaking significantly during rotation.

[0042] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0043] The present embodiment has been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiment, and various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the present purpose.

Claims

1. An electric scissors, characterized in that: include: Housing (100); a first shearing blade (210), the first shearing blade (210) being rotatably connected to the housing (100), the first shearing blade (210) being provided with a first connecting portion (211), the connecting portion between the first shearing blade (210) and the housing (100) being located between the first connecting portion (211) and the blade body of the first shearing blade (210); a second shearing blade (220), wherein the second shearing blade (220) is hingedly connected to the first shearing blade (210), the second shearing blade (220) is provided with a second connecting portion (221), and the connecting portion between the second shearing blade (220) and the first shearing blade (210) is located between the second connecting portion (221) and the blade body of the second shearing blade (220); A connecting component (300), the connecting component (300) being disposed on the housing (100), and the connecting component (300) being connected to the first connecting portion (211) and the second connecting portion (221) respectively; a driving mechanism, the driving mechanism being connected to the connecting assembly (300), and the driving mechanism being capable of driving the first connecting portion (211) and the second connecting portion (221) to move away from or toward each other through the connecting assembly (300); The connecting assembly (300) comprises a moving member (310), a first connecting rod (320) and a second connecting rod (330), and the driving mechanism is capable of driving the moving member (310) to move along the length direction of the housing (100); One end of the first connecting rod (320) is rotatably connected to one side of the moving member (310), the other end of the first connecting rod (320) is rotatably connected to the first connecting portion (211), one end of the second connecting rod (330) is rotatably connected to the other side of the moving member (310), and the other end of the second connecting rod (330) is rotatably connected to the second connecting portion (221); or One end of the first connecting rod (320) is rotatably connected to one side of the moving member (310), the other end of the first connecting rod (320) is rotatably connected to the second connecting portion (221), one end of the second connecting rod (330) is rotatably connected to the other side of the moving member (310), and the other end of the second connecting rod (330) is rotatably connected to the first connecting portion (211); A third connecting rod (340) is provided between the movable member (310) and the first connecting rod (320) and between the movable member (310) and the second connecting rod (330), and the third connecting rod (340) can rotate in an up-down direction; the rotation axis of the first connecting rod (320) relative to the movable member (310) is not parallel to the rotation axis of the third connecting rod (340) relative to the movable member (310), and the rotation axis of the second connecting rod (330) relative to the movable member (310) is not parallel to the rotation axis of the third connecting rod (340) relative to the movable member (310).

2. The electric scissors according to claim 1, characterized in that: The moving member (310) is configured as a nut, and the driving mechanism comprises a motor (410) and a screw rod (420) threadedly engaged with the nut, wherein the motor (410) is disposed in the housing (100), and the motor (410) is connected to the screw rod (420) and can drive the screw rod (420) to rotate.

3. The electric scissors according to claim 2, characterized in that: The motor (410) is connected to the screw rod (420) via a reduction transmission mechanism (430).

4. The electric scissors according to claim 3, characterized in that: The reduction transmission mechanism (430) is configured as a planetary gear reducer.

5. The electric scissors according to claim 1, characterized in that: The invention also comprises a clamping and limiting sleeve (500), wherein the clamping and limiting sleeve (500) is arranged on the housing (100), the clamping and limiting sleeve (500) is provided with a clamping groove (510), the movable member (310) is arranged in the clamping groove (510), and the outer side of the movable member (310) is provided with a limiting plane that cooperates with the side wall of the clamping groove (510).

6. The electric scissors according to claim 2, characterized in that: The nut comprises a limiting outer sleeve (311) and a ball inner sleeve (312), wherein the ball inner sleeve (312) is arranged in the limiting outer sleeve (311), and the ball inner sleeve (312) cooperates with the screw rod (420).

7. The electric scissors according to claim 6, characterized in that: The screw rod (420) is provided with a bearing (440), the inner ring of the bearing (440) is fixedly connected to the screw rod (420), and the outer ring of the bearing (440) is fixedly connected to the housing (100).

8. The electric scissors according to claim 1, characterized in that: The first cutting blade (210) is provided with a first arc-shaped cutting edge that is convex outwards, and the second cutting blade (220) is provided with a second arc-shaped cutting edge that is concave inwards.

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