CN210173625U

CN210173625U - Electric scissors

Info

Publication number: CN210173625U
Application number: CN201920994841.7U
Authority: CN
Inventors: Junhua Bao; 包军华
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-03-24
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses an electric scissors, which comprises a device shell, a scissors mechanism, a driving mechanism, a battery mechanism, a micro-gap switch, a switch button and a push button; the utility model has the advantages that: 1. the push button can separate the switch button and the microswitch to realize the safety function; no separation exists between the switch button and the microswitch, and whether the manual control circuit is conducted or not is judged; the push button props against the contact protrusion of the microswitch, so that the purpose of normally opening the microswitch is achieved, the current is conducted for a long time, the continuous work 2 is realized, the driving motor controls the driving parts in the limiting grooves to rotate, the driving parts are driven to move between the two limiting grooves, and the normal work of the scissor mechanism is realized; 3. the device shell is provided with an interface for charging a rechargeable battery, so that the device can be charged on the machine body and can also be charged by taking out the battery, and a user can select two charging modes, so that the device is more convenient to coordinate; 4. the utility model discloses a micro-gap switch effectively avoids button switch to generate heat, the problem of easy book loss.

Description

Electric scissors

Technical Field

The utility model relates to a shearing tool field, concretely relates to electric shears.

Background

At present, the scissors with large knife edge sold in the market are all manually used, namely, the pair of blades are intersected to form X-shaped scissors which are manually held, opened and closed to cut and match with each other, the scissors are very labor-consuming in cutting harder materials, and the tiger edge of the palm can be very sore after long-time use. The structure of the electric scissors also comprises a handle, a rocker arm on the handle, a blade assembly at the front part of the handle, a control circuit board, a microswitch and a motor which are positioned in the handle and are in circuit connection, wherein a motor shaft of the motor is provided with a reduction gear box; the blade assembly is provided with a fixed blade and a movable blade, a pull rod assembly is arranged between the reduction gear box and the movable blade, and the reduction gear box drives the pull rod assembly to axially reciprocate during use, so that the movable blade and the fixed blade are driven to form opening, closing and shearing matching, and harder paper and shrub branches can be easily sheared. Although the electric scissors can better solve the use defects of manual scissors, the problems that the switch is easy to break and the switch is heated when the switch is pressed for a long time when the electric scissors are used are solved.

Therefore, the electric scissors which can avoid the switch from generating heat and are easy to break and damage are very valuable.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, provide an electric scissors that can avoid the switch to generate heat, easily roll over and decrease.

The utility model provides an electric scissors, includes device shell, sets up the scissors mechanism, the actuating mechanism of drive scissors mechanism work, for actuating mechanism provides the battery mechanism of power, its characterized in that carry out scissors work in the device shell: the device is characterized by further comprising a control mechanism arranged on the device shell and used for controlling whether the battery mechanism and the driving mechanism are conducted or not, wherein the control mechanism comprises a microswitch arranged in the device shell and used for connecting the battery mechanism and the driving mechanism, a switch button arranged on the device shell and used for controlling whether the microswitch works or not, and a safety mechanism used for limiting the operation of the switch button.

As one preferable mode, the safety mechanism includes a push button provided on the device case, a first projection and a second projection provided at the bottom of the switch, and the push button moves back and forth through a through hole provided on the device case to control the contact between the switch button and the micro switch. The microswitch is provided with a contact protrusion which is positioned below the second bump, and when the switch button is pressed down, the contact protrusion is contacted with the second bump. The push button comprises a convex block which is formed by a through groove arranged on the working surface of the push button and used for moving the gear buckle, and a guide block which is used for sliding matching with the through hole and extends towards the moving direction of the through groove, and the through groove is C-shaped.

Through the technical scheme, the push button realizes three functions, namely, the switch button and the microswitch are separated, so that the safety function is realized; whether the manual control circuit is conducted or not is achieved without separation between the switch button and the microswitch; the push button props against the contact protrusion of the microswitch, so that the long-time conduction of current is realized, and the continuous work is realized; the problems of heating and easy breakage of the button switch can be effectively avoided by adopting the micro switch. The push button is provided with a convex block formed by the through groove which is beneficial to gear adjustment, and the through groove is C-shaped, so that the convex block has enough elasticity, and the sliding is smooth left and right.

As the above preferred mode, actuating mechanism includes driving motor, the drive mechanism who is controlled by driving motor, and drive mechanism controls scissors mechanism's work, and drive mechanism is including fixing the spacing groove on the device shell, setting up the moving member between two spacing grooves, has seted up the transmission groove on the moving member and has set up the driving medium that makes the moving member can remove between the spacing groove at the transmission inslot and driving motor output shaft.

Through above-mentioned technical scheme, driving motor control limiting groove's driving medium rotates to drive the moving member and remove between two limiting groove, realize scissors mechanism's normal work.

Preferably, the scissors mechanism includes a fixed blade fixed in the device housing and having a working portion located outside the device housing, and a cutting blade fixedly connected to the driving mechanism and having a working portion located outside the device housing.

Through above-mentioned technical scheme, shear blade and driving medium carry out fixed connection, and fixed blade is fixed, realizes scissors mechanism's normal work.

In a preferred embodiment, the battery mechanism is a rechargeable battery, the device housing is provided with an interface for charging the rechargeable battery, and the switch button is provided with a return spring inside the pressed portion.

Through above-mentioned technical scheme, be provided with the interface that is used for rechargeable battery to charge on the device shell, can also take out the battery and charge, the user has two kinds of charging methods to select, more convenient coordination.

Compared with the prior art, the utility model has the advantages of: 1. the arrangement of the push button realizes three functions, namely, the switch button and the microswitch are separated, so that the safety function is realized; whether the manual control circuit is conducted or not is achieved without separation between the switch button and the microswitch; the push button props against the contact protrusion of the microswitch, so that the current is conducted for a long time, the continuous work 2 is realized, and the driving motor controls the driving parts in the limiting grooves to rotate, so that the moving parts are driven to move between the two limiting grooves, and the normal work of the scissor mechanism is realized; 3. the device shell is provided with an interface for charging a rechargeable battery, so that the device can be charged on the machine body and can also be taken out for charging, and a user can select two charging modes, so that the device is more convenient to coordinate; 4. the utility model discloses a micro-gap switch effectively avoids button switch to generate heat, the problem of easy book loss.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic structural view of the control mechanism of the present invention;

FIG. 3 is a perspective view of the transmission mechanism of the present invention;

FIG. 4 is a schematic view of the push button structure of the present invention;

FIG. 5 is a perspective view of the limiting groove of the present invention;

fig. 6 is an enlarged view of fig. 1A.

Reference numerals: reference numerals: 1-a device housing; 2-a microswitch; 3-switch button; 4-push button; 5-a first bump; 6-a second bump; 7-contact bumps; 8-perforating; 9-a slideway; 10-a slide block; 11-a guide block; 12-a drive motor; 13-a limiting groove; 14-a moving member; 15-a transmission groove; 16-a transmission member; 17-fixing the blade; 18-a shearing blade; 19-a fixed pin; 20-a positioning pin; 21-a limit pin; 22-limiting through grooves; 23-an interface; 24-a return spring; 25-a rechargeable battery; 26-penetrating a groove; 27-a bump; 28-gear.

Detailed Description

Referring to the drawings, the utility model discloses a following technical scheme, an electric scissors, including device shell 1, set up in device shell 1 carry out scissors mechanism, the actuating mechanism of actuating scissors mechanism work, for actuating mechanism provides the battery mechanism of power, its characterized in that of scissors work: still including setting up the control mechanism who is used for controlling whether battery mechanism and actuating mechanism switch on device shell 1, control mechanism is including setting up be used for connecting battery mechanism and actuating mechanism's micro-gap switch 2 in the device shell, set up be used for controlling whether the micro-gap switch 2 works on device shell 1 shift knob 3, be used for restricting the insurance mechanism of shift knob 3 work.

Safety mechanism is including setting up push button 4 on device shell 1, setting up first lug 5 and the second lug 6 in shift knob 3 bottom, push button 4 and carry out the contact of back-and-forth movement control shift knob 3 and micro-gap switch 2 through seting up the perforation 8 on the device shell, be provided with the protruding 7 of contact on micro-gap switch 2, the protruding 7 of contact is located 6 below of second lug, when shift knob 3 pressed, the protruding 7 of contact and the contact of second lug 6.

The first lug 5 and the second lug 6 are integrally formed with the switch button 3, the pushing force application part of the push button 4 is positioned outside the device shell, the working part of the push button is positioned in the device shell 1, a slide way 9 for pushing the push button 4 is integrally formed in the device shell positioned on the upper side and the lower side of the perforation 8, a gear 28 for clamping the lug is arranged on the slide way, the push button 4 comprises a lug 27 which is formed by a through groove 26 arranged on the working surface of the push button 4 and is used for clamping the gear during moving, and a guide block 11 which is used for sliding matching with the perforation 8 and extends towards the moving direction of the push button 4, a slide block 10 which can move on the slide way 9 is integrally formed on the push button 4, so that the push button 4 can be stably pushed, all parts on the push button are integrally formed, and the guide block 11 is used for guiding the push button 4 to move on the path of the slide way 9; the through groove 26 is C-shaped. The push button 4, when pushed in the direction of the through-opening 8, is moved into the next shift position 28 by the cam 27 for a shift change.

The micro switch 2 is connected with the battery and the driving motor in the existing connection mode, the contact point bulge 7 is a contact point of the micro switch 2, and conducting work is carried out when the contact point bulge is touched. The push button 4 is provided with a convex block 27 formed by the through groove 26, which is beneficial to the gear adjustment, and the convex block 27 has enough elasticity because the through groove 26 is C-shaped, so that the sliding is smooth.

Wherein the push button 4 has three gears, a first gear: the push button 4 is pushed in, so that the working part of the push button 4 props against the first bump 5, the working part of the push button props the switch button 3, the switch button 3 cannot be pressed down and cannot contact the contact bulge 7, the purpose of separating the switch button 3 from the microswitch 2 is achieved, and the safety function is achieved;

a second gear: the push button 4 is pushed into a manual gear, so that the working position of the push button 4 is positioned between the first lug 5 and the second lug 6, and the switch button 3 and the microswitch 2 are not blocked, so that the switch button 3 can be manually pressed to be freely controlled;

a third gear: the push button 4 is pushed continuously, so that the working part of the push button 4 is always in contact with the contact protrusion 7 of the micro switch 2, and the micro switch is in a contact state for a long time, and the product can work continuously.

The driving mechanism comprises a driving motor 12 and a transmission mechanism controlled by the driving motor 12, the transmission mechanism controls the operation of the scissors mechanism, the transmission mechanism comprises limiting grooves 13 fixed on the device shell 1 and a moving part 14 arranged between the two limiting grooves 13, the moving part 14 is provided with a transmission groove 15 and a transmission part 16 arranged in the transmission groove 15 and connected with an output shaft of the driving motor 12 so that the moving part 14 can move between the limiting grooves 13; the driving part in the driving motor control limiting groove 15 rotates to drive the moving part to move between the two limiting grooves 13, and normal work of the scissors mechanism is achieved.

The distance that forms between two spacing inslots 13 makes the moving member can remove between the distance that two spacing groove cavity forms, and moving member length satisfies that non-slip out spacing groove 13 is outer, the driving medium is including the big disk that is located driving groove 13 and the little disk that is located driving groove 13 outer, little disk and big disk integrated into one piece, little disk adopts current connected mode fixed connection with driving motor 12's output shaft, the rotation of little disk, then the removal of big disk in driving groove 15 has been driven, and then the removal of moving member 14 has been promoted, thereby the work of shearing blade 18 has been driven.

The scissors mechanism comprises a fixed blade 17 and a shearing blade 18, the fixed blade 17 is fixed in the device shell 1, the working part of the fixed blade 17 is positioned outside the device shell 1, the shearing blade 18 is fixedly connected with the driving mechanism, and the working part of the shearing blade 18 is positioned outside the device shell 1; the shearing blade 18 is fixedly connected with the transmission piece 16, so that the normal work of the shearing mechanism is realized.

The fixed blade 17 is fixed in the device shell 1 through a fixing pin 19, the intersection point of the shearing blade 18 and the fixed blade 17 is hinged with the device shell 1 through a positioning pin 20, a limiting pin 21 is integrally formed on the fixed blade 17, a limiting through groove 22 is formed in the shearing blade 18, and the limiting pin 21 is located in the limiting through groove 22, so that the shearing mechanism can carry out shearing work under the action of the movement of the moving piece 14. The shear blade 18 and the moving member 14 are connected in a conventional fixed manner.

The battery mechanism is a rechargeable battery 25, an interface 23 for charging the rechargeable battery is arranged on the device shell 1, a reset spring 24 is arranged on the inner side of the pressing part of the switch button 4, the device can be charged on the machine body, and a user has two charging modes which can be selected, so that the device is more convenient to coordinate. The charging circuit for charging the body is the charging circuit and the charging interface of the existing rechargeable battery. The return spring 24 is fixed on the switch button 3 by plastic or adhesive bonding.

The rechargeable battery 25, the microswitch 2, the driving motor 12 and the limiting groove 13 are fixed in the device shell through fixed clamping connection or through bolts.

In order to better understand the invention for those skilled in the art and to define the claimed scope more clearly, the invention will be described in detail below with respect to certain specific embodiments of the invention. It should be noted that the following description is only a few examples of the present invention, and the specific and direct descriptions of the related structures are only for the convenience of understanding the present invention, and the specific features do not naturally and directly limit the scope of the present invention. Conventional alternatives and substitutions made by those skilled in the art in light of the teachings of the present disclosure should be considered as within the scope of the present disclosure.

Claims

1. An electric scissors comprises a device shell (1), a scissors mechanism which is arranged in the device shell (1) and used for scissors work, a driving mechanism which drives the scissors mechanism to work, and a battery mechanism which provides power for the driving mechanism,

the method is characterized in that: still including setting up the control mechanism who is used for controlling whether battery mechanism and actuating mechanism switch on device shell (1), control mechanism is including setting up micro-gap switch (2) that are used for connecting battery mechanism and actuating mechanism in device shell (1), seting up on device shell (1) and be used for controlling whether shift knob (3) that micro-gap switch (2) worked, be used for restricting the insurance mechanism of shift knob (3) work.

2. An electric shears according to claim 1 wherein: the safety mechanism comprises a push button (4) arranged on the device shell (1), a first bump (5) and a second bump (6) which are arranged at the bottom of the switch button (3), and the push button (4) is in contact with the microswitch (2) through a through hole (8) formed in the device shell (1) to move the switch button (3) back and forth.

3. An electric shears according to claim 2 wherein: the microswitch (2) is provided with a contact protrusion (7), the contact protrusion (7) is positioned below the second bump (6), and when the switch button (3) is pressed down, the contact protrusion (7) is contacted with the second bump (6).

4. An electric shears according to claim 2 or 3 wherein: the push button (4) comprises a convex block (27) which is formed by a through groove (26) arranged on the working surface of the push button (4) and used for buckling when moving, and a guide block (11) which is used for being in sliding fit with the through hole (8) and extends towards the moving direction of the through hole.

5. An electric shears according to claim 1 wherein: the driving mechanism comprises a driving motor (12) and a transmission mechanism controlled by the driving motor (12), and the transmission mechanism controls the scissors mechanism to work.

6. An electric shears according to claim 5 wherein: the transmission mechanism comprises limiting grooves (13) fixed on the device shell (1) and a moving piece (14) arranged between the two limiting grooves (13), wherein the moving piece (14) is provided with a transmission groove (15) and a transmission piece (16) which is arranged in the transmission groove (15) and connected with an output shaft of the driving motor (12) so that the moving piece (14) can move between the limiting grooves (13).

7. An electric shears according to claim 1 wherein: the scissors mechanism comprises a fixed blade (17) and a cutting blade (18).

8. An electric shears according to claim 7 wherein: the fixed blade (17) is fixed in the device shell (1), the working part of the fixed blade is positioned outside the device shell (1), the shearing blade (18) is fixedly connected with the driving mechanism, and the working part of the shearing blade is positioned outside the device shell (1).

9. An electric shears according to claim 1 wherein: the battery mechanism is a rechargeable battery (25), and an interface (23) for charging the rechargeable battery (25) is arranged on the device shell (1).

10. An electric shears according to claim 1 or 2 wherein: and a return spring (24) is arranged on the inner side of the pressing part of the switch button (3).