CN111788953A - Electric scissors - Google Patents
Electric scissors Download PDFInfo
- Publication number
- CN111788953A CN111788953A CN202010730153.7A CN202010730153A CN111788953A CN 111788953 A CN111788953 A CN 111788953A CN 202010730153 A CN202010730153 A CN 202010730153A CN 111788953 A CN111788953 A CN 111788953A
- Authority
- CN
- China
- Prior art keywords
- shear blade
- connecting rod
- cutting edge
- rotatably connected
- connecting part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000005520 cutting process Methods 0.000 claims description 79
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 9
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 238000010008 shearing Methods 0.000 abstract description 41
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 230000009471 action Effects 0.000 description 11
- 238000013138 pruning Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 238000009966 trimming Methods 0.000 description 5
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/02—Secateurs; Flower or fruit shears
- A01G3/033—Secateurs; Flower or fruit shears having motor-driven blades
- A01G3/037—Secateurs; Flower or fruit shears having motor-driven blades the driving means being an electric motor
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Scissors And Nippers (AREA)
Abstract
The invention discloses electric scissors which comprise a shell, a first shear blade, a second shear blade, a connecting assembly and a driving mechanism, wherein the first shear blade is connected with the second shear blade through a connecting rod; the first shear blade is rotatably connected with the shell and provided with a first connecting part, and the connecting part of the first shear blade and the shell is positioned between the first connecting part and the blade body of the first shear blade; the second shear blade is hinged with the first shear blade and provided with a second connecting part, and the connecting part of the second shear blade and the first shear blade is positioned between the second connecting part and the blade body of the second shear blade; the connecting assembly is arranged on the shell and is respectively connected with the first connecting part and the second connecting part; actuating mechanism is connected with coupling assembling, and actuating mechanism can drive first connecting portion and second connecting portion and keep away from each other or draw close through coupling assembling. The double-acting shearing can enable the two shearing blades to simultaneously and oppositely act, so that the shearing line is positioned at the center line position, and the shearing quality and the shearing hand feeling are improved.
Description
Technical Field
The invention relates to the technical field of agricultural garden pruning tools, in particular to electric scissors.
Background
Electric pruning shears are a highly efficient pruning tool and are commonly used for pruning garden branches and leaves. Some common electronic pruning scissors include and move the cutting edge and decide the cutting edge, decide the cutting edge and be fixed in on the casing, move the cutting edge and drive its one end by push rod or gear and reciprocate, make two relative closed or keep away from of cutting edge to realize the effect of automatic pruning. However, since only the movable cutting edge of the electric pruning shears moves, the cutting line is located on the fixed cutting edge, and most people have a habit of using the electric pruning shears that the cutting line is located at the center line position when the two cutting edges are opened, when the electric pruning shears are used, some people can be used to place an object to be pruned at the center line position when the two cutting edges are opened, and only the movable cutting edge moves during shearing, the movable cutting edge is still not sheared when contacting the object to be pruned, and finally the object to be pruned deviates from the original position, so that the situations of poor pruning quantity and poor shearing hand feeling are caused, and the user is brought with the problems.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the electric scissors which can enable the two cutting edges to simultaneously and oppositely act, enable the cutting line to be located at the center line position and improve the cutting quality.
The electric scissors comprise a shell, a first cutting edge, a second cutting edge, a connecting assembly and a driving mechanism; the first shear blade is rotatably connected with the shell and provided with a first connecting part, and the connecting part of the first shear blade and the shell is positioned between the first connecting part and the blade body of the first shear blade; the second shear blade is hinged with the first shear blade, a second connecting part is arranged on the second shear blade, and the connecting part of the second shear blade and the first shear blade is positioned between the second connecting part and the blade body of the second shear blade; the connecting assembly is arranged on the shell and is respectively connected with the first connecting part and the second connecting part; the driving mechanism is connected with the connecting assembly, and the driving mechanism can drive the connecting assembly to move along the length direction of the shell so as to enable the first connecting portion and the second connecting portion to be away from or close to each other.
The electric scissors according to the embodiment of the invention have at least the following beneficial effects: the blade bodies of the first and second shearing blades are respectively arranged at two sides of the joint of the first and second shearing blades, and the second connecting part and the second shearing blade are respectively arranged at two sides of the joint of the first and second shearing blades, so that when the first and second connecting parts are close to each other or far away from each other, the blade bodies of the first and second shearing blades can perform shearing or opening actions along with the first and second shearing blades, and the first and second connecting parts are driven to mutually close to or far away from each other by the driving mechanism to realize automatic shearing of the electric shears, and because the actions of the first and second connecting parts are performed relatively and simultaneously, the blade bodies of the first and second shearing blades also simultaneously and relatively move in the shearing process, therefore, the double-acting shearing can enable the two shearing blades to simultaneously and relatively move, so that the shearing line is positioned at the central line, the object to be trimmed is placed at the center line, the driving mechanism is controlled to enable the first cutting edge and the second cutting edge to be closed, and the object to be trimmed is accurately trimmed without displacement due to the fact that the cutting lines of the first cutting edge and the second cutting edge are basically overlapped with the object to be trimmed, and therefore the trimming hand feeling and the trimming quality are improved.
According to some embodiments of the invention, the connecting assembly comprises a moving member, a first connecting rod and a second connecting rod, and the driving mechanism can drive the moving member to move along the length direction of the shell; one end of the first connecting rod is rotatably connected with one side of the moving piece, the other end of the first connecting rod is rotatably connected with the first connecting part, one end of the second connecting rod is rotatably connected with the other side of the moving piece, and the other end of the second connecting rod is rotatably connected with the second connecting part; the driving mechanism drives the moving piece to move along the length direction of the shell, the first connecting rod drives the first connecting part to be far away from or close to the axis of the moving piece, the second connecting rod drives the second connecting part to be far away from or close to the axis of the moving piece, the first connecting rod and the second connecting rod act oppositely and simultaneously, and finally the first shear blade and the second shear blade shear in a double-acting mode, so that the shearing force is improved.
Or one end of the first connecting rod is rotatably connected with one side of the moving part, the other end of the first connecting rod is rotatably connected with the second connecting part, one end of the second connecting rod is rotatably connected with the other side of the moving part, and the other end of the second connecting rod is rotatably connected with the first connecting part. The driving mechanism drives the moving piece to move along the length direction of the shell, the first connecting rod drives the second connecting part to be far away from or close to the axis of the moving piece, the second connecting rod drives the first connecting part to be far away from or close to the axis of the moving piece, the first connecting rod and the second connecting rod act oppositely and simultaneously, and finally the first shear blade and the second shear blade perform double-acting shearing to improve shearing force;
according to some embodiments of the invention, the moving member is a nut, the driving mechanism includes a motor and a screw rod in threaded fit with the nut, the motor is disposed on the housing, and the motor is connected with the screw rod and can drive the screw rod to rotate. The motor drives the screw rod to rotate, so that the nut moves axially along the screw rod, the first connecting rod and the second connecting rod drive the first connecting part and the second connecting part to be close to or away from each other, and finally the first shearing edge and the second shearing edge move relatively at the same time, so that double-acting shearing of the first shearing edge and the second shearing edge is realized.
According to some embodiments of the invention, the motor is connected to the lead screw through a reduction gear. Through setting up speed reduction drive mechanism, suitably reduce the rotational speed that reduces the lead screw, improve the output torque of lead screw to further improve the shearing force of first shear blade and second shear blade.
According to some embodiments of the 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 low failure rate, long service life and easy maintenance.
According to some embodiments of the present invention, a third link is provided between the moving member and the first link and between the moving member and the second link, and the third link is rotatable in an up-down direction. Through setting up the third connecting rod, make the moving member promote the in-process of first connecting rod and second connecting rod, allow appropriate relative rocking between moving member and first connecting rod and the second connecting rod, improve first connecting rod and second connecting rod action fault-tolerant rate and action smooth and easy degree to improve the driven action reliability of lead screw and moving member.
According to some embodiments of the invention, the clamping device further comprises a clamping limiting sleeve, the clamping limiting sleeve is arranged on the shell, the clamping limiting sleeve is provided with a clamping groove, the moving member is arranged in the clamping groove, and the outer side part of the moving member is provided with a limiting plane matched with the side wall of the clamping groove. The two side walls of the clamping groove are matched with the limiting plane, so that the circumferential direction of the moving member is limited, the moving member is prevented from rotating in the process of transmission of the screw rod and the moving member, and the action reliability of the moving member is guaranteed.
According to some embodiments of the invention, the nut comprises 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 is matched with the screw rod to improve the smoothness of the action of matching the screw rod with the moving member.
According to some embodiments of the invention, the first cutting edge is provided with a convex first curved edge and the second cutting edge is provided with a concave second curved edge. In the process of shearing the object, the first arc-shaped edge and the second arc-shaped edge are matched with each other, so that the object can be effectively limited through the arc-shaped edge of the object, and the object is prevented from sliding out of the first shearing edge and the second shearing edge.
According to some embodiments of the invention, the screw rod is provided with a bearing, an inner ring of the bearing is fixedly connected with the screw rod, and an outer ring of the bearing is fixedly connected with the housing. The bearing provides effective support to the lead screw, prevents that the pivoted in-process of lead screw from taking place to rock by a wide margin.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of electric shears according to embodiments of the present invention;
FIG. 2 is a schematic view of the internal structure of the electric shears shown in FIG. 1;
FIG. 3 is a cut-away schematic view of the electric shears shown in FIG. 1;
fig. 4 is an exploded schematic view of the electric scissors shown in fig. 1.
Reference numerals:
the clamping device comprises a shell 100, a first shear blade 210, a first connecting part 211, a second shear blade 220, a second connecting part 221, a connecting assembly 300, a moving member 310, a limiting outer sleeve 311, a ball inner sleeve 312, a first connecting rod 320, a second connecting rod 330, a third connecting rod 340, a motor 410, a screw rod 420, a speed reduction transmission mechanism 430, a planetary gear assembly 431, a fixing sleeve 432, a bearing 440, a clamping limiting sleeve 500 and a clamping groove 510.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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 thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
As shown in fig. 1 and 2, an electric shears according to an embodiment of the present invention includes a housing 100, a first cutting edge 210, a second cutting edge 220, a connecting assembly 300, and a driving mechanism; the first cutting edge 210 is rotatably connected with the housing 100, the first cutting edge 210 is provided with a first connecting portion 211, and the connecting position of the first cutting edge 210 and the housing 100 is located between the first connecting portion 211 and the edge body of the first cutting edge 210; the second cutting edge 220 is hinged to the first cutting edge 210, the second cutting edge 220 is provided with a second connecting part 221, and the connecting part of the second cutting edge 220 and the first cutting edge 210 is located between the second connecting part 221 and the edge body of the second cutting edge 220; the connecting assembly 300 is disposed on the housing 100, and the connecting assembly 300 is connected to the first connecting portion 211 and the second connecting portion 221 respectively; the driving mechanism is connected with the connecting assembly 300, and the driving mechanism can drive the first connecting portion 211 and the second connecting portion 221 to be away from or close to each other through the connecting assembly 300.
Specifically, the blade bodies of the first connecting portion 211 and the first cutting edge 210 are respectively disposed at two sides of a joint of the first cutting edge 210 and the second cutting edge 220, and the second connecting portion 221 and the second cutting edge 220 are respectively disposed at two sides of a joint of the first cutting edge 210 and the second cutting edge 220, so that when the first connecting portion 211 and the second connecting portion 221 are close to or away from each other, the blade bodies of the first cutting edge 210 and the second cutting edge 220 are also cut or opened along with the first connecting portion, and the first connecting portion 211 and the second connecting portion 221 are driven to close to or away from each other by moving the driving mechanism along the length direction of the housing 100, so as to achieve automatic cutting of the electric shears, and since the first connecting portion 211 and the second connecting portion 221 are moved relatively and simultaneously, the blade bodies of the first cutting edge 210 and the second cutting edge 220 are also moved relatively and simultaneously during the cutting process, thereby, the double-action can enable two cutting edges to move relatively and simultaneously, in practical application, an object to be trimmed is placed at the center line, the first cutting edge 210 and the second cutting edge 220 are closed by starting the switch, and the trimming lines of the first cutting edge 210 and the second cutting edge 220 are basically overlapped with the object to be trimmed, so that the object to be trimmed is accurately trimmed without displacement, and the trimming hand feeling and the trimming quality are improved.
In some embodiments of the present invention, as shown in fig. 2 and 3, 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 casing 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; the driving mechanism drives the moving member 310 to move along the length direction of the housing 100, so that the first connecting rod 320 drives the first connecting portion 211 to be far away from or close to the axis of the moving member 310, the second connecting rod 330 drives the second connecting portion 221 to be far away from or close to the axis of the moving member 310, the first connecting rod 320 and the second connecting rod 330 act oppositely and simultaneously, and finally the first cutting edge 210 and the second cutting edge 220 perform double-acting shearing to improve shearing force; specifically, as shown in fig. 2 and 3, the first connecting portion 211 is located obliquely above a connection portion of the first cutting edge 210 and the second cutting edge 220, the first connecting portion 211 is provided with a first hinge hole, the first connecting rod 320 is provided with a first hinge post correspondingly matched with the first hinge hole, and similarly, the second connecting portion 221 is located obliquely below a connection portion of the first cutting edge 210 and the second cutting edge 220, the second connecting portion 221 is provided with a second hinge hole, and the second connecting rod 330 is provided with a second hinge post correspondingly matched with the second hinge hole.
Alternatively, in other embodiments, one end of the first link 320 is rotatably connected to one side of the moving member 310, the other end of the first link 320 is rotatably connected to the second connection portion 221, one end of the second link 330 is rotatably connected to the other side of the moving member 310, and the other end of the second link 330 is rotatably connected to the first connection portion 211. The driving mechanism drives the moving member 310 to move along the length direction of the housing 100, so that the first connecting rod 320 drives the second connecting portion 221 to move away from or close to the axis of the moving member 310, the second connecting rod 330 drives the first connecting portion 211 to move away from or close to the axis of the moving member 310, the first connecting rod 320 and the second connecting rod 330 move relatively and simultaneously, and finally the first cutting edge 210 and the second cutting edge 220 perform double-acting shearing to improve shearing force; specifically, the first connecting portion 211 is located obliquely below a joint of the first shear blade 210 and the second shear blade 220, the first connecting portion 211 is provided with a first hinge hole, the second connecting rod 330 is provided with a first hinge post correspondingly matched with the first hinge hole, and similarly, the second connecting portion 221 is located obliquely above a joint of the first shear blade 210 and the second shear blade 220, the second connecting portion 221 is provided with a second hinge hole, the first connecting rod 320 is provided with a second hinge post correspondingly matched with the second hinge hole, and based on the arrangement, the first connecting portion 211 and the second connecting portion 221 are close to each other, so that the blade body of the first shear blade 210 and the blade body of the second shear blade 220 are driven to be closed to cut.
Further, in some embodiments of the present invention, as shown in fig. 2 and fig. 3, the moving member 310 is configured as a nut, the driving mechanism includes a motor 410 and a screw rod 420 threadedly engaged with the nut, the motor 410 is disposed on 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, so that the nut moves along the axial direction of the screw rod 420, the first connecting rod 320 and the second connecting rod 330 drive the first connecting portion 211 and the second connecting portion 221 to approach or move away from each other, and finally the first cutting edge 210 and the second cutting edge 220 move relatively at the same time, thereby realizing double-acting shearing of the first cutting edge 210 and the second cutting edge 220.
Of course, in other embodiments of the present invention, the driving mechanism may also be configured as an electric push rod, the moving member 310 may be configured as a regular block, a rod portion of the electric push rod is fixedly connected to the moving member 310, and the moving member 310 is driven to move along the length direction of the housing 100 by extending or retracting the electric push rod, so as to control the opening or closing of the first cutting edge 210 and the second cutting edge 220, thereby realizing double-acting cutting of the first cutting edge 210 and the second cutting edge 220.
In some embodiments of the present invention, as shown in fig. 2 and 3, the motor 410 is coupled to the lead screw 420 through a reduction gear 430. By providing the reduction gear 430, the rotation speed of the screw 420 is appropriately reduced and reduced, and the output torque of the screw 420 is increased, thereby further increasing the shearing force of the first cutting edge 210 and the second cutting edge 220.
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, large output torque, low failure rate, long service life and easy maintenance; specifically, as shown in fig. 4, the planetary gear reducer is a common reducer, and includes three planetary gear assemblies 431 sequentially arranged along the axial direction of the screw 420, wherein each planetary gear assembly 431 includes a sun gear, a planetary gear and a planet carrier, one end surface of the planet carrier is provided with a rotating shaft in which the planetary gear is inserted and matched, the sun gear is fixed on the other end surface of the planet carrier, an output shaft of the motor 410 is fixed with a driving gear, the planetary gear of the first planetary gear assembly 431 is driven to rotate by the driving gear, and the planet carrier of the first planetary gear assembly 431 is driven to rotate by the planet carrier, while the sun gear of the first planetary gear assembly 431 is meshed with the planetary gear of the second planetary gear assembly 431 and the planet carrier of the second planetary gear assembly is driven to rotate, and so on, according to the transmission ratio of the sun gear and the planetary gear, finally, the ring gear of the planet carrier of the third planetary gear assembly 431 is engaged with the gear of the lead screw 420, so that the lead screw 420 rotates. In addition, the outer side of the planet gear is also sleeved with a fixed sleeve 432, the inner side of the fixed sleeve 432 is provided with an inner gear ring meshed with the planet gear, and the fixed sleeve 432 plays a role in protecting the gear in the planet gear reducer and ensures that the planet gear can smoothly rotate.
Of course, in some embodiments, the number of sets of the planetary gear assemblies 431 may be one, two, or more than three, and may be set according to the actual application requirement, which is not limited herein.
In some embodiments of the present invention, as shown in fig. 2, 3 and 4, a third link 340 is disposed between the moving member 310 and the first link 320 and between the moving member 310 and the second link 330, and the third link 340 can rotate in an up-and-down direction. Through the third connecting rod 340, in the process that the moving member 310 pushes the first connecting rod 320 and the second connecting rod 330, the moving member 310, the first connecting rod 320 and the second connecting rod 330 are allowed to properly shake relatively, so that the action fault tolerance rate and the action smoothness of the first connecting rod 320 and the second connecting rod 330 are improved, and the transmission action reliability of the screw rod 420 and the moving member 310 is improved. Wherein, the upper and lower both sides of nut are provided with the articulated shaft, the one end of third connecting rod 340 is equipped with and inserts with the articulated shaft of nut and establish the complex hinge hole to realize that third connecting rod 340 rotates around upper and lower direction, the other end and the first connecting rod 320 of the third connecting rod 340 of nut top rotate to be connected, the other end and the second connecting rod 330 of the third connecting rod 340 of nut below rotate to be connected, make first connecting rod 320 and second connecting rod 330 can adapt to being close to and keeping away from of first connecting portion 211 and second connecting portion 221.
In some embodiments of the present invention, as shown in fig. 1 and 4, a clamping position-limiting sleeve 500 is further included, the clamping position-limiting sleeve 500 is disposed on the housing 100, the clamping position-limiting sleeve 500 is provided with a clamping groove 510, the moving member 310 is disposed in the clamping groove 510, and an outer side portion of the moving member 310 is provided with a position-limiting plane engaged with a sidewall of the clamping groove 510. Through the cooperation of the two side walls of the clamping groove 510 to the limiting plane, the circumferential direction of the moving member 310 is limited, and the moving member 310 is prevented from rotating in the transmission process of the screw rod 420 and the moving member 310, so that the action reliability of the moving member 310 is ensured.
In some embodiments of the present invention, as shown in fig. 4, the nut includes a position-limiting outer sleeve 311 and a ball inner sleeve 312, the ball inner sleeve 312 is disposed in the position-limiting outer sleeve 311, and the ball inner sleeve 312 is engaged with the screw rod 420, so as to improve the smoothness of the engagement between the screw rod 420 and the moving member 310. The outer limiting sleeve 311 limits the inner ball sleeve 312, so that the inner ball sleeve 312 cannot be separated from the outer limiting sleeve 311, and a plurality of balls matched with the spiral track of the screw rod 420 are embedded in the inner ball sleeve 312, so that the screw rod 420 rotates to drive the nut to move axially along the screw rod 420.
In some embodiments of the present invention, the first cutting edge 210 is provided with a convex first curved edge and the second cutting edge 220 is provided with a concave second curved edge. In the process of shearing the object, the first arc-shaped edge and the second arc-shaped edge are matched with each other, so that the object can be effectively limited through the arc-shaped edge of the object, and the object is prevented from sliding out of the first shearing edge 210 and the second shearing edge 220.
In some embodiments of the present invention, as shown in fig. 2 and 3, the screw 420 is provided with a bearing 440, an inner ring of the bearing 440 is fixedly connected with the screw 420, and an outer ring of the bearing 440 is fixedly connected with the housing 100. The bearing 440 provides effective support for the screw rod 420, and prevents the screw rod 420 from shaking greatly in the rotating process.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The present embodiment has been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the present invention.
Claims (10)
1. Electric shears, characterized in that it comprises:
a housing (100);
the first cutting edge (210) is rotatably connected with the shell (100), the first cutting edge (210) is provided with a first connecting part (211), and the connecting part of the first cutting edge (210) and the shell (100) is positioned between the first connecting part (211) and the edge body of the first cutting edge (210);
the second shear blade (220) is hinged to the first shear blade (210), a second connecting portion (221) is arranged on the second shear blade (220), and the connecting position of the second shear blade (220) and the first shear blade (210) is located between the second connecting portion (221) and the blade body of the second shear blade (220);
the connecting assembly (300) is arranged on the shell (100), and the connecting assembly (300) is respectively connected with the first connecting part (211) and the second connecting part (221);
the driving mechanism is connected with the connecting assembly (300), and the driving mechanism can drive the first connecting portion (211) and the second connecting portion (221) to be away from or close to each other through the connecting assembly (300).
2. Electric shears according to claim 1,
the connecting assembly (300) comprises a moving part (310), a first connecting rod (320) and a second connecting rod (330), and the driving mechanism can drive the moving part (310) to move along the length direction of the shell (100);
one end of the first connecting rod (320) is rotatably connected with one side of the moving part (310), the other end of the first connecting rod (320) is rotatably connected with the first connecting part (211), one end of the second connecting rod (330) is rotatably connected with the other side of the moving part (310), and the other end of the second connecting rod (330) is rotatably connected with the second connecting part (221); or
One end of the first connecting rod (320) is rotatably connected with one side of the moving part (310), the other end of the first connecting rod (320) is rotatably connected with the second connecting part (221), one end of the second connecting rod (330) is rotatably connected with the other side of the moving part (310), and the other end of the second connecting rod (330) is rotatably connected with the first connecting part (211).
3. Electric shears according to claim 2,
the moving part (310) is arranged as a nut, the driving mechanism comprises a motor (410) and a screw rod (420) matched with the nut in a threaded mode, the motor (410) is arranged on the shell (100), and the motor (410) is connected with the screw rod (420) and can drive the screw rod (420) to rotate.
4. Electric shears according to claim 3,
the motor (410) is connected with the screw rod (420) through a speed reduction transmission mechanism (430).
5. Electric shears according to claim 4,
the reduction transmission mechanism (430) is arranged as a planetary gear reducer.
6. Electric shears according to claim 2,
third connecting rods (340) are arranged 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 rods (340) can rotate in the vertical direction.
7. Electric shears according to claim 2,
still include centre gripping stop collar (500), centre gripping stop collar (500) are located casing (100), centre gripping stop collar (500) are provided with centre gripping groove (510), moving member (310) are located in centre gripping groove (510), the outside portion of moving member (310) be equipped with centre gripping groove (510) lateral wall complex spacing plane.
8. Electric shears according to claim 3,
the nut comprises a limiting outer sleeve (311) and a ball inner sleeve (312), the ball inner sleeve (312) is arranged in the limiting outer sleeve (311), and the ball inner sleeve (312) is matched with the screw rod (420).
9. Electric shears according to claim 8,
the screw rod (420) is provided with a bearing (440), the inner ring of the bearing (440) is fixedly connected with the screw rod (420), and the outer ring of the bearing (440) is fixedly connected with the shell (100).
10. Electric shears according to claim 1,
the first shear blade (210) is provided with a convex first arc-shaped blade edge, and the second shear blade (220) is provided with a concave second arc-shaped blade edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010730153.7A CN111788953A (en) | 2020-07-27 | 2020-07-27 | Electric scissors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010730153.7A CN111788953A (en) | 2020-07-27 | 2020-07-27 | Electric scissors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111788953A true CN111788953A (en) | 2020-10-20 |
Family
ID=72827295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010730153.7A Pending CN111788953A (en) | 2020-07-27 | 2020-07-27 | Electric scissors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111788953A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101790941A (en) * | 2009-01-30 | 2010-08-04 | 美克司株式会社 | Electric shear |
| CN210157697U (en) * | 2019-06-26 | 2020-03-20 | 胡文进 | Large-torque electric scissors |
| CN211020137U (en) * | 2019-11-26 | 2020-07-17 | 甘肃机电职业技术学院（甘肃省机械工业学校、甘肃省机械高级技工学校） | Electric scissors |
| CN212436485U (en) * | 2020-07-27 | 2021-02-02 | 中山庆琏金属制品有限公司 | Electric scissors |
-
2020
- 2020-07-27 CN CN202010730153.7A patent/CN111788953A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101790941A (en) * | 2009-01-30 | 2010-08-04 | 美克司株式会社 | Electric shear |
| US20100192383A1 (en) * | 2009-01-30 | 2010-08-05 | Max Co. Ltd. | Electric scissors |
| CN210157697U (en) * | 2019-06-26 | 2020-03-20 | 胡文进 | Large-torque electric scissors |
| CN211020137U (en) * | 2019-11-26 | 2020-07-17 | 甘肃机电职业技术学院（甘肃省机械工业学校、甘肃省机械高级技工学校） | Electric scissors |
| CN212436485U (en) * | 2020-07-27 | 2021-02-02 | 中山庆琏金属制品有限公司 | Electric scissors |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5332662B2 (en) | Electric scissors | |
| CN201563409U (en) | Electric scissors | |
| US7743510B2 (en) | Powered tool for tube cutting and treating | |
| US5867909A (en) | Branch shears tool | |
| CN103314794A (en) | Power tool | |
| CN212436485U (en) | Electric scissors | |
| EP4019214A1 (en) | Bidirectional driving mechanism for electric scissors blades and electric scissors blades | |
| DE602004012977T2 (en) | Power tool with a mode selection mechanism | |
| JPS62166748A (en) | Wiper motor | |
| CN111788953A (en) | Electric scissors | |
| CN112492998A (en) | Shearing tool | |
| CN210298606U (en) | Picking unmanned aerial vehicle | |
| CN205511051U (en) | Adopt ball screw transmission structure's electric scissors | |
| CN111658062A (en) | Elbow pipe grinding tool with angle-adjustable tool bit | |
| CN111151686B (en) | Multifunctional electric wire cutting and bending tool | |
| CN209914514U (en) | Speed change mechanism of electric tool | |
| JP2000176584A (en) | Slide device, and spring manufacturing device using it | |
| CN208812204U (en) | Plastic tube girdling machine | |
| CN112514674B (en) | Double-connecting-rod double-cutter driving mechanism of electric shears and electric shears thereof | |
| CN220347309U (en) | Steel wire scissors | |
| CN220211108U (en) | Electric scissors | |
| CN109937727A (en) | A kind of high cutting force electric shear | |
| US20020095794A1 (en) | Motorized grass shear device | |
| US20240090384A1 (en) | Garden tool and parallel position sensing system | |
| CN117796882B (en) | Transmission portable ultrasonic knife |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |