Electric scissors

By incorporating a hand-protection structure and a blade support on the electric shears, the problems of material swaying and left-hand injury during electric shear cutting are solved, achieving greater safety and stability.

CN223626482UActive Publication Date: 2025-12-05宾川县农业绿色发展服务中心
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Patent Information

Application Number
CN202520243421.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2025-12-05
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

Existing electric shears lack support and restraint for the material underneath during the cutting process, making them prone to shaking or shifting, and can easily cut the left hand when operated with the right hand, causing injury.

Method used

A hand-protection structure was designed, including a signal receiver and an ultrasonic distance sensor. The electric shears are controlled to stop working by detecting the distance to the hand through an auxiliary glove. A blade support and an auxiliary support plate are set to provide material support, and the material stability is increased by combining a limit spring and a rubber friction strip.

Benefits of technology

It effectively prevents left-hand injuries, improves the stability and safety of material cutting, and enhances the practicality of electric shears.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of electric shears, and particularly discloses an electric shear which comprises an electric shear shell, a charging circulating battery is installed at the lower end of the electric shear shell, a trigger retainer is fixedly connected to the side surface of the upper end of the electric shear shell, a trigger body is installed on the inner wall of the trigger retainer, and a cutting knife assembly is installed on the upper surface of the electric shear shell. A hand injury prevention structure is arranged on the surface of the electric shear shell and is controlled by receiving signals sent by the ultrasonic distance sensors on the surfaces of the auxiliary gloves through the signal receivers. The electric scissors are provided with a signal receiver and an ultrasonic distance sensor, so that when the electric scissors work, the left hand wears an auxiliary glove, and when the hand is close to the cutting knife assembly, the signal receiver is alarmed through the ultrasonic distance sensor; the signal receiver can conveniently control the circuit board of the electric shear shell so as to stop working of the cutting knife assembly, and therefore the purpose of preventing the holding hand from being injured is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electric scissors technical field, concretely is a kind of electric scissors. BACKGROUND

[0002] Electric scissors are a kind of power-driven tools, widely used in hairdressing, gardening, cutting and other fields, and the electric pruning shears for gardening are generally driven by electricity, which is more efficient and labor-saving than traditional manual pruning shears, and can easily cut off hard branches with a diameter of 25 mm and soft branches with a diameter of 30 mm, suitable for pruning fruit trees, garden trees and shrubs. Electric scissors are driven by motors, with large output power. For example, some high-end electric pruning shears for gardening use copper-core brushless motors, which are powerful and can easily cut off thicker branches. Cordless electric scissors are more flexible to use and easy to operate, and some also have fast charging function to shorten charging time and improve work efficiency.

[0003] The existing electric scissors convert the rotary motion of the motor into the opening and closing motion of the blade through the transmission mechanism when in use, but generally only the upper blade cuts, resulting in a lack of corresponding support and constraint for the lower material, which is prone to shaking or displacement during cutting. And generally, the right hand is used to operate the scissors, and the left hand is used to hold the branches, which is easy to accidentally cut the fingers of the left hand. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing an electric scissors to solve the problem of general only upper blade cutting in the background art, resulting in a lack of corresponding support and constraint for the lower material, which is prone to shaking or displacement during cutting. And generally, the right hand is used to operate the scissors, and the left hand is used to hold the branches, which is easy to accidentally cut the fingers of the left hand.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an electric scissors, comprising an electric scissors shell, a charging cycle battery is installed at the lower end of the electric scissors shell, a trigger guard ring is fixedly connected to the upper end side surface of the electric scissors shell, a trigger body is installed on the inner wall of the trigger guard ring, a cutting knife assembly is installed on the upper surface of the electric scissors shell, a hand injury prevention structure is provided on the surface of the electric scissors shell, which is controlled by receiving the signal emitted by the ultrasonic distance sensor on the surface of the auxiliary glove through the signal receiver, two supporting knife holders are fixedly connected to the upper surface of the electric scissors shell, an auxiliary supporting plate is fixedly connected to the surface of the supporting knife holder, a groove is formed on the outer surface of the auxiliary supporting plate, and an anti-skid clamping plate is installed on the inner wall of the groove of the auxiliary supporting plate.

[0006] Preferably, the outer surface of the electric shear shell is fixed with a reflection plate, the hand injury prevention structure comprises a signal receiver fixedly connected to the surface of the electric shear shell, and the side surface of the electric shear shell is provided with an auxiliary glove, and the back of the hand of the auxiliary glove is fixedly connected with an ultrasonic distance sensor.

[0007] The signal receiver of the hand injury prevention structure can effectively collect and process signals, and the auxiliary glove can facilitate signal transmission during use.

[0008] Preferably, the signal receiver is connected to the circuit board inside the electric shear shell through a wire, the surface of the auxiliary glove is provided with a storage battery, and the storage battery of the auxiliary glove is connected to the ultrasonic distance sensor through a wire.

[0009] The storage battery of the auxiliary glove supplies power to the ultrasonic distance sensor, so that the signal emitted by the ultrasonic distance sensor is collected by the signal receiver, and the circuit board inside the electric shear shell is controlled by the signal receiver to stop working to prevent injury.

[0010] Preferably, a knife groove is arranged between the two supporting knife holders, the supporting knife holder is arc-shaped, and the supporting knife holder and the auxiliary supporting plate are integrally formed and arc-shaped.

[0011] The knife groove arranged between the two supporting knife holders facilitates the rotation and cutting of the cutting knife assembly, and the arc-shaped design of the supporting knife holder and the auxiliary supporting plate facilitates the supporting and cutting of the material.

[0012] Preferably, the auxiliary supporting plate is rotatably connected with the anti-skid clamping plate, and the upper end of the anti-skid clamping plate is arc-shaped.

[0013] The rotatable connection between the auxiliary supporting plate and the anti-skid clamping plate facilitates clamping of the material after the rotation of the anti-skid clamping plate.

[0014] Preferably, a limiting spring is fixedly connected between the side surface of the anti-skid clamping plate and the lower surface of the electric shear shell.

[0015] The limiting spring between the side surface of the anti-skid clamping plate and the lower surface of the electric shear shell facilitates the rotation of the anti-skid clamping plate pushed by the limiting spring, thereby increasing the stability of clamping the material.

[0016] Preferably, a rubber friction strip is fixedly connected to the surface of the anti-skid clamping plate facing the auxiliary supporting plate, the rubber friction strips are vertically and uniformly distributed, the rubber friction strips are long strip-shaped, and the vertical cross section of the rubber friction strips is arc-shaped.

[0017] Adopting the technical scheme, the rubber friction strip on the surface of the anti-skid clamping plate is convenient for sticking to the outer surface of the material, thereby increasing the friction force on the material, and the practicality is improved.

[0018] Compared with the prior art, the electric scissors have the advantages that:

[0019] 1. The signal receiver and the ultrasonic distance sensor are arranged, so that when the device works, the auxiliary glove is worn on the left hand, the ultrasonic distance sensor detects the reflection plate of the electric scissors shell when the hand is close to the cutting knife assembly, then the signal is transmitted to the signal receiver for alarm, the signal receiver controls the circuit board of the electric scissors shell to stop the work of the cutting knife assembly, and the purpose of preventing the supporting hand from being injured is achieved;

[0020] 2. The supporting knife holder and the auxiliary supporting plate are arranged, so that when the device works, the arc-shaped design of the supporting knife holder and the auxiliary supporting plate facilitates the supporting knife holder and the auxiliary supporting plate to support the cut material, the stability of the material is increased, the practicality of the device when working is improved, and the auxiliary supporting plate prolongs the supporting range, so that the material of different lengths can be limited.

[0021] 3. The limiting spring and the rubber friction strip are arranged, so that when the device works, the material is clamped between the auxiliary supporting plate and the anti-skid clamping plate, the material drives the anti-skid clamping plate to rotate, then the limiting spring drives the anti-skid clamping plate to clamp the material, the stability of the device in limiting the material is increased, the rubber friction strip on the surface of the anti-skid clamping plate increases the braking force, the fastening of the material is further improved, and the stability of subsequent cutting is increased. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a three-dimensional structure schematic view of the electric scissors shell and the charging cycle battery connection of the utility model;

[0023] Figure 2 It is a three-dimensional structure schematic view of the electric scissors shell and the trigger guard connection of the utility model;

[0024] Figure 3 It is a three-dimensional structure schematic view of the electric scissors shell and the cutting knife assembly connection of the utility model;

[0025] Figure 4 It is a three-dimensional structure schematic view of the supporting knife holder and the auxiliary supporting plate connection of the utility model;

[0026] Figure 5 It is a three-dimensional structure schematic view of the anti-skid clamping plate and the limiting spring connection of the utility model;

[0027] Figure 6 It is a three-dimensional structure schematic view of the anti-skid clamping plate and the rubber friction strip connection of the utility model.

[0028] In the figure: 1, electric shears shell; 2, charge cycle battery; 3, trigger guard; 4, trigger body; 5, cutting knife assembly; 6, signal receiver; 7, auxiliary glove; 8, ultrasonic distance sensor; 9, support knife holder; 10, auxiliary support plate; 11, anti-skid clamping plate; 12, limit spring; 13, rubber friction strip. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] Please refer to Figures 1-6The utility model provides a technical scheme: an electric shear, including electric shear shell 1, charge circulation battery 2, trigger guard ring 3, trigger body 4, cutting knife subassembly 5, signal receiver 6, auxiliary gloves 7, ultrasonic distance sensor 8, support tool rest 9, auxiliary support plate 10, antiskid clamping plate 11, limiting spring 12 and rubber friction strip 13, electric shear shell 1, its lower end is installed with charge circulation battery 2, electric shear shell 1 upper end side surface fixedly connected with trigger guard ring 3, the inner wall of trigger guard ring 3 is installed with trigger body 4, the upper surface of electric shear shell 1 is installed with cutting knife subassembly 5, the outer surface of electric shear shell 1 is fixed with reflector, the hand injury prevention structure includes signal receiver 6, this signal receiver 6 is fixedly connected on the surface of electric shear shell 1, and electric shear shell 1 side is provided with auxiliary gloves 7, and the back of hand of auxiliary gloves 7 is fixedly connected with ultrasonic distance sensor 8, and signal receiver 6 is connected with the circuit board in the inside of electric shear shell 1 through wire, and the surface of auxiliary gloves 7 is provided with battery, and the battery of auxiliary gloves 7 is connected with ultrasonic distance sensor 8 through wire, when using the device, first through left hand wearing auxiliary gloves 7, make in left hand support material, through the ultrasonic transducer in the inside of ultrasonic distance sensor 8 on the surface of auxiliary gloves 7 under the action of drive circuit, convert electric signal into mechanical vibration, thereby generating ultrasonic wave, subsequently, after the reflection of ultrasonic wave by the reflector on the surface of electric shear shell 1, the receiving transducer in ultrasonic distance sensor 8 receives the ultrasonic wave signal reflected back and converts it into electric signal, thereby transmitting to signal receiver 6 and identifying, when the left hand wearing auxiliary gloves 7 is close, signal receiver 6 issues an alarm, the circuit board of electric shear shell 1 is controlled by signal receiver 6 to stop working, the left hand of user is protected, through the reflector on the outer surface of electric shear shell 1, it has good ultrasonic reflection performance, can clearly reflect ultrasonic signal back to ultrasonic distance sensor 8, increases the detection accuracy of ultrasonic distance sensor 8, and then reaches the effect of accurately controlling sensing distance.

[0031] The hand injury prevention structure is arranged on the surface of electric shear shell 1, and the signal receiver 6 receives the signal emitted by the ultrasonic distance sensor 8 on the surface of the auxiliary gloves 7 to control, the knife groove is arranged between the two support tool rests 9, the support tool rest 9 is designed in an arc shape, the support tool rest 9 and the auxiliary support plate 10 are designed in an integral molding mode, the auxiliary support plate 10 is designed in an arc shape, the auxiliary support plate 10 is rotationally connected with the antiskid clamping plate 11, and the upper end of the antiskid clamping plate 11 is designed in an arc shape; when working, the material is inserted between the support tool rest 9, the auxiliary support plate 10 and the antiskid clamping plate 11, so that the material drives the antiskid clamping plate 11 to rotate, and the arc-shaped design of the support tool rest 9 and the auxiliary support plate 10 facilitates the support of the material and the increase of the stability of the material.

[0032] The upper surface of the electric shears shell 1 is fixedly connected with two supporting knife holders 9, the surface of the supporting knife holder 9 is fixedly connected with an auxiliary supporting plate 10, the side surface of the anti-skid clamping plate 11 and the lower surface of the electric shears shell 1 are fixedly connected with a limiting spring 12, after the anti-skid clamping plate 11 is pushed and rotated by the material, the limiting spring 12 pushes the anti-skid clamping plate 11, the pressure of the anti-skid clamping plate 11 on the material is increased, thereby the stability of the device for limiting the material is improved, which is beneficial to subsequent cutting processing.

[0033] The outer surface of the auxiliary supporting plate 10 is provided with a groove, the inner wall of the auxiliary supporting plate 10 groove is installed with an anti-skid clamping plate 11, the surface of the anti-skid clamping plate 11 is fixedly connected with a rubber friction strip 13, the rubber friction strip 13 is vertically and uniformly distributed, and the rubber friction strip 13 is designed in a strip shape, and the vertical cross section of the rubber friction strip 13 is designed in an arc shape, when the anti-skid clamping plate 11 clamps the material, the friction force is increased through the rubber friction strip 13 on the surface of the anti-skid clamping plate 11, thereby the material is prevented from sliding and deviating, and the effect of the device for limiting the material is further improved.

[0034] Working principle: when the electric shears are used, the left hand wears the auxiliary glove 7, when the left hand is too close to the cutting knife assembly 5, the ultrasonic distance sensor 8 sends an alarm to the signal receiver 6 to control the circuit board of the electric shears shell 1, thereby stopping working to prevent injury, when working, the material is inserted between the auxiliary supporting plate 10 and the anti-skid clamping plate 11, the anti-skid clamping plate 11 is pushed by the limiting spring 12 to clamp, thereby the stability is increased, at the same time, the arc design of the supporting knife holder 9 and the auxiliary supporting plate 10 is convenient for limiting the material, finally, the rubber friction strip 13 is attached to the surface of the material, thereby the anti-skid effect is increased to prevent slipping, and the practicability of the whole is increased.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An electric shear, comprising an electric shear housing (1) with a rechargeable battery (2) mounted at its lower end, a trigger guard (3) fixedly connected to the upper side surface of the electric shear housing (1), a trigger body (4) mounted on the inner wall of the trigger guard (3), and a cutting blade assembly (5) mounted on the upper surface of the electric shear housing (1), characterized in that: The electric shear shell (1) surface is provided with the anti-injury hand structure, which is controlled by receiving the signal of the ultrasonic distance sensor (8) on the surface of the auxiliary glove (7) through the signal receiver (6), the upper surface of the electric shear shell (1) is fixedly connected with two supporting knife racks (9), the surface of the supporting knife rack (9) is fixedly connected with an auxiliary supporting plate (10), the outer surface of the auxiliary supporting plate (10) is provided with a groove, and the anti-skid clamping plate (11) is installed on the inner wall of the groove of the auxiliary supporting plate (10).

2. An electric clipper according to claim 1, characterized in that: The outer surface of the electric shear shell (1) is fixed with a reflecting plate, the anti-injury hand structure comprises a signal receiver (6) fixedly connected on the surface of the electric shear shell (1), the side surface of the electric shear shell (1) is provided with an auxiliary glove (7), and the back of the hand of the auxiliary glove (7) is fixedly connected with an ultrasonic distance sensor (8).

3. An electric clipper according to claim 2, wherein: The signal receiver (6) is connected with the circuit board in the electric shear shell (1) through wires, the surface of the auxiliary glove (7) is provided with a storage battery, and the storage battery of the auxiliary glove (7) is connected with the ultrasonic distance sensor (8) through wires.

4. The electric shears of claim 1 wherein: Two supporting knife racks (9) are provided between the supporting knife racks (9), the supporting knife racks (9) are arc-shaped, the supporting knife racks (9) and the auxiliary supporting plate (10) are integrally formed, and the auxiliary supporting plate (10) is arc-shaped.

5. The electric shears of claim 1 wherein: The auxiliary supporting plate (10) and the anti-skid clamping plate (11) are rotatably connected, and the upper end of the anti-skid clamping plate (11) is arc-shaped.

6. The electric shears of claim 1 wherein: The side surface of the anti-skid clamping plate (11) and the lower surface of the electric shear shell (1) are fixedly connected with a limiting spring (12).

7. The electric shears of claim 1 wherein: The surface of the anti-skid clamping plate (11) facing the auxiliary supporting plate (10) is fixedly connected with a rubber friction strip (13), the rubber friction strips (13) are vertically and uniformly distributed, and the rubber friction strips (13) are long strip-shaped, the vertical cross section of the rubber friction strip (13) is arc-shaped.