CN218483298U

CN218483298U - Electric scissors

Info

Publication number: CN218483298U
Application number: CN202222970147.6U
Authority: CN
Inventors: 詹祥感; 詹祥军; 易威; 易秤全
Original assignee: Wuxi Bocon Electric Tool Manufacturing Co ltd
Current assignee: Wuxi Bocon Electric Tool Manufacturing Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-02-17
Anticipated expiration: 2032-11-08

Abstract

The utility model discloses an electric scissors, the on-line screen storage device comprises a base, a power supply, a control circuit board, handheld frame, switch, aircraft nose and knife rest, be connected with 1 on the knife rest to being used for sheared fixed blade and movable blade, be equipped with electric motor and gear assembly in the aircraft nose, the other end that fixed blade and movable blade kept away from the cutting edge all is provided with the pitman arm, pitman arm tip on the movable blade is provided with 1 pair of shift fork, is provided with the output gear who is connected with the gear assembly in the knife rest, is close to thumb wheel I and thumb wheel II that the edge set up symmetrically that is provided with on the lateral wall of output gear both ends, the utility model discloses a be provided with the shift fork, utilize output gear to rotate and drive thumb wheel along axis of rotation circumferential direction, through thumb wheel and shift fork cooperation, make the shift fork swing back and forth from top to bottom to realize the blade and make a round cut, this structure is at output gear rotation round, makes the blade can accomplish 2 shearing actions, is favorable to improving shear frequency and is up to 2800/min, improves electric scissors's work efficiency.

Description

Electric scissors

Technical Field

The utility model belongs to a pair of trimming shears; the technical field of trimming scissors for flowers or fruit trees, in particular to an electric scissors.

Background

The electric scissors are a hand-held tool which takes a motor as power and drives a working head to carry out shearing operation through a transmission mechanism, the electric scissors comprise the motor, a reduction box, an eccentric shaft-connecting rod mechanism, a switch, a non-reconnectable plug, a cutter and the like, when the electric scissors are disassembled and assembled, the internal planetary gear box is fixed and installed more complexly, so the planetary gear box of the electric scissors which is convenient to fix is particularly needed.

The Chinese patent application numbers are: 202221041962.8, discloses a variety of electric shears comprising a first housing; the second shell is rotatably arranged at the end part of the first shell and used for enabling the second shell to adjust the angle between the second shell and the first shell; the first movable blade and the second movable blade are hinged on the second shell; the driving assembly is located in the second shell and used for driving the first movable blade and the second movable blade to be opened or closed relatively, the first bevel gear is connected to an output shaft of the motor and located in the second shell, a first tooth portion is arranged at the end portion of the first movable blade, the first tooth portion is meshed with the first bevel gear, a second tooth portion is arranged at the end portion of the second movable blade in the second shell and meshed with the first bevel gear, the end portion of the blade is meshed with the transmission gear, the blade needs to be hinged back and forth to move in the using process of the scissors, the tooth portion structure is adopted to lead the motor to rotate back and forth, the impact is large in the using process of the motor, and the motor is easy to damage.

Disclosure of Invention

In view of this, the utility model aims at providing an electric scissors, this electric scissors is through all being provided with 1 thumb wheel to the symmetry setting at output gear both ends tip, through be provided with the shift fork at the movable blade afterbody, utilize output gear to rotate and drive the thumb wheel along axis of rotation circumferential movement, through thumb wheel and shift fork cooperation, make the shift fork swing back and forth from top to bottom, thereby realize the blade and make a round trip to cut, this structure is at output gear rotation round, make the blade can accomplish 2 times shearing action, be favorable to improving shearing frequency and reach 2800 times/min, improve electric scissors's work efficiency.

In order to achieve the above object, the utility model relates to an electric scissors, including base, power, control circuit board, the handheld frame of setting on the base, set up switch on handheld frame, set up at the aircraft nose at handheld frame top and set up the knife rest at the aircraft nose front end, be provided with 1 pair of blade that is used for the shearing on the knife rest, be provided with electric motor and gear assembly in the aircraft nose, 1 pair the blade sets up respectively to blade and movable blade, fixed blade and movable blade all connect at the knife rest tip through the articulated shaft, the other end that fixed blade and movable blade kept away from the cutting edge all is provided with the pitman arm, pitman arm on the fixed blade is installed on the knife rest through 1 pair fixing bolt, pitman arm tip on the movable blade is provided with 1 pair of shift fork, is provided with the output gear who is connected with the gear assembly in the knife rest, it is provided with thumb wheel I and the thumb wheel II that the symmetry set up, 1 pair to be close to the edge on the lateral wall of output gear both ends thumb wheel I and thumb wheel II adaptation arc groove.

Further, 1 is right be provided with the holding tank that holds the output gear between the shift fork.

Further, 1 pair of thumb wheel I and 1 pair of thumb wheel II install respectively on output gear both sides lateral wall through the installation axle.

Further, the gear assembly further comprises a driving bevel gear connected with the electric motor, 1 pair of driven bevel gears symmetrically arranged and meshed at two sides of the driving bevel gear, and an intermediate gear arranged between the 1 pair of driven bevel gears and arranged on the same rotating shaft I with the driven bevel gears, wherein the output gear is meshed with the intermediate gear.

Further, the gear ratio of the gear assembly is set to 1-2.8.

Further, a cutter frame seat is arranged at the position, close to the machine head, of the cutter frame, the cutter frame seat is detachably connected to the machine head, and the output gear is arranged in the cutter frame seat.

Further, the handheld frame top is provided with the installation storehouse that holds control circuit board, the power setting is in the base, the power is provided with charging source, be provided with the socket that is used for charging on the base.

Further, the knife rest is made of stainless steel alloy materials, and the machine head shell, the handheld frame and the base are made of hard plastics.

The beneficial effects of the utility model reside in that:

the utility model discloses electric scissors is through all being provided with 1 thumb wheel to the symmetrical setting at output gear both ends tip, through be provided with the shift fork at the movable blade afterbody, utilize output gear to rotate and drive the thumb wheel along axis of rotation circumferential movement, through thumb wheel and shift fork cooperation, make the shift fork swing back and forth from top to bottom, thereby realize that the blade makes a round trip to cut, this structure is at output gear rotation round, make the blade can accomplish 2 times shearing action, be favorable to improving shear frequency and reach 2800/min, improve electric scissors's work efficiency.

Drawings

FIG. 1 is a schematic structural view of the electric scissors of the present invention;

FIG. 2 is a schematic structural view of the blade transmission mechanism of the electric scissors of the present invention;

fig. 3 is a cross-sectional view of the gear box driving structure in the electric scissors of the present invention.

Reference numerals are as follows: 1-a base; 2-a handheld frame; 3, a machine head; 4-a switch; 5-a tool rest base; 6, a tool rest; 7-fixing the blade; 8-movable blade; 9-link arm; 10-a shifting fork; 11-thumb wheel I; 12-a rotating shaft; 13-an output gear; 14-thumb wheel II; 15-a hinged axis; 16-a fixing bolt; 17-an electric motor; 18-a drive bevel gear; 19-driven bevel gear; 20-intermediate gear.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Fig. 1-3 are schematic structural views of the electric scissors of the utility model; the utility model relates to an electric scissors, including base 1, power, control circuit board, the handheld 2 of setting on the base, set up switch 4 on handheld 2, set up the aircraft nose 3 at handheld 2 tops and set up the knife rest 6 at aircraft nose 3 front ends, be provided with 1 pair of blade that is used for the shearing on the knife rest 6, be provided with electric motor 17 and gear assembly in the

aircraft nose

3, 1 pair the blade sets up respectively to fixed blade 7 and movable blade 8, fixed blade 7 and movable blade 8 all connect at the knife rest 6 tip through articulated shaft 15, the other end that fixed blade 7 and movable blade 8 kept away from the cutting edge all is provided with pitman arm 9, pitman arm 9 on the fixed blade 7 installs on knife rest 6 through 1 pair fixing bolt 16, pitman arm 9 tip on the movable blade 8 is provided with 1 pair shift fork 10, is provided with the output gear 13 of being connected with the gear assembly in the knife rest 6, it is provided with thumb wheel I11 and the thumb wheel II14 that the symmetry set up to be close to thumb wheel edge on the lateral wall of output gear 13 both ends, 1 right thumb wheel I11 and thumb wheel II14 adaptation arc groove are provided with thumb wheel.

In the embodiment, 1 pair of symmetrically arranged shifting wheels are arranged at the end parts of two ends of an output gear 13, a shifting fork 10 is arranged at the tail part of a movable blade, the shifting wheels are driven by the rotation of the output gear 13 to move along the circumferential direction of a rotating shaft, the shifting wheels are matched with the shifting fork 10, the tail part of the movable blade 8 is lifted by the upward movement of a left shifting wheel I11, the cutting edge at the position of the movable blade 8 is cut downwards, the right shifting wheel II14 moves downwards, when the left shifting wheel I11 leaves the top of an arc-shaped groove of the shifting fork 10, the right shifting wheel II14 enters the bottom of the arc-shaped groove of the shifting fork 10, the right shifting wheel II14 slides leftwards in the arc-shaped groove, the tail part of the movable blade 8 is lowered, the cutting edge at the position of the movable blade 8 opens upwards, one cutting cycle of cutting is completed, the next cutting is waited, when the left shifting wheel I11 rotates for one cycle, the movable blade 8 completes 2 times of cutting, the shifting fork swings up and down, so as to realize the back and forth cutting of the blade, the structure rotates for one circle at the output gear, the blade, so that the blade can complete 2 times of cutting actions, the cutting, which is beneficial to improve the cutting frequency up to and forth, and back of the work efficiency of 2800/min of the electric scissors.

Preferred embodiment, 1 right be provided with the holding tank that holds output gear 13 between the shift fork 10, this structure of this embodiment is favorable to making movable blade 8 atress when shearing the work even through 1 to shift fork 10 atress, avoids producing the slant atress, avoids leading to the clearance wearing and tearing between articulated shaft and the movable blade 8 serious.

In a preferred embodiment, 1 pair of the thumb wheel I11 and 1 pair of the thumb wheel II14 are respectively mounted on the side walls of the two sides of the output gear 13 through mounting shafts, and the structure of the embodiment enables the 1 pair of the thumb wheel I11 and the 1 pair of the thumb wheel II14 to be compact in structure and uniform in stress, and is beneficial to improving the transmission efficiency.

In a preferred embodiment, the gear assembly further includes a drive bevel gear 18 connected to the

electric motor

17, 1 pair of driven bevel gears 19 symmetrically disposed and engaged with both sides of the drive bevel gear, and an intermediate gear 20 disposed between the 1 pair of driven bevel gears 19 and disposed on the same rotation axis I as the driven bevel gears, and the output gear 13 is engaged with the intermediate gear 20.

In a preferred embodiment, the gear ratio of the gear assembly is set to 1-2.8, and the structure of the embodiment is beneficial to improving the transmission efficiency.

In a preferred embodiment, the tool rest 6 is provided with a tool rest base 5 near the handpiece 3, the tool rest base 5 is detachably connected to the handpiece 3, and the output gear 13 is arranged in the tool rest base 5.

In a preferred embodiment, the top of the handheld frame 2 is provided with an installation bin for accommodating the control circuit board, the power supply is arranged in the base 1, the power supply is provided with a charging power supply, and the base is provided with a socket for charging.

In a preferred embodiment, the knife rest is made of stainless steel alloy materials, and the handpiece shell, the handheld frame and the base are made of hard plastics.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. The utility model provides an electric scissors, includes base, power, control circuit board, sets up the handheld frame on the base, sets up switch on handheld frame, sets up at the aircraft nose at handheld frame top and sets up the knife rest at the aircraft nose front end, be provided with 1 on the knife rest to the blade that is used for the shearing, be provided with electric motor and gear assembly, its characterized in that in the aircraft nose: 1 right the blade sets up to fixed blade and movable blade respectively, fixed blade and movable blade all connect at the knife rest tip through the articulated shaft, the other end that the cutting edge was kept away from to fixed blade and movable blade all is provided with the pitman arm, pitman arm on the fixed blade is installed on the knife rest through 1 pair fixing bolt, pitman arm tip on the movable blade is provided with 1 pair shift fork, is provided with the output gear who is connected with the gear assembly in the knife rest, it is provided with thumb wheel I and thumb wheel II that the symmetry set up to be close to the edge on the lateral wall of output gear both ends, 1 is right the fork tip is provided with the arc wall with thumb wheel I and thumb wheel II adaptation.

2. The electric shears of claim 1 wherein: 1 pair be provided with the holding tank that holds output gear between the shift fork.

3. Electric shears according to claim 2, wherein: 1 pair of thumb wheel I and 1 pair of thumb wheel II install on output gear both sides lateral wall through the installation axle respectively.

4. Electric shears according to any one of claims 1 to 3, wherein: the gear assembly further comprises a driving bevel gear connected with the electric motor, 1 pair of driven bevel gears symmetrically arranged and meshed on two sides of the driving bevel gear, and an intermediate gear arranged between the 1 pair of driven bevel gears and arranged on the same rotating shaft I with the driven bevel gears, wherein the output gear is meshed with the intermediate gear.

5. Electric shears according to claim 1, wherein: the gear ratio of the gear assembly is set to 1-2.8.

6. Electric shears according to claim 5, wherein: the cutter frame is provided with a cutter frame seat close to the machine head, the cutter frame seat is detachably connected to the machine head, and the output gear is arranged in the cutter frame seat.

7. Electric shears according to claim 2, wherein: the handheld frame top is provided with the installation storehouse that holds control circuit board, the power setting is in the base, the power is provided with charging source, be provided with the socket that is used for charging on the base.

8. The electric shears of claim 2 wherein: the knife rest is made of stainless steel alloy materials, and the handpiece shell, the handheld frame and the base are made of hard plastics.