CN111184334A

CN111184334A - Toenail trimmer and device

Info

Publication number: CN111184334A
Application number: CN202010217780.0A
Authority: CN
Inventors: 路玉峰; 许树辉; 许宽; 闫鹏
Original assignee: Qilu University of Technology
Current assignee: Qilu University of Technology
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-05-22
Anticipated expiration: 2040-03-25
Also published as: CN111184334B

Abstract

The invention discloses a toenail trimmer and a device, relating to the field of articles for daily use, wherein the toenail trimmer comprises an air bag, a sensor, a controller, a first motor, a reciprocating mechanism and a toenail trimmer, the sensor is arranged in the air bag and connected with the controller, the controller is connected with the first motor, and an electric signal output by the controller is used for adjusting the rotating direction of the first motor; the output end of the first motor is connected with the reciprocating mechanism, and the first motor can drive the reciprocating mechanism to approach or be far away from the blade; when the reciprocating mechanism approaches the blade, the blade can be pressed downwards, so that the front end of the blade approaches the bracket. The invention is convenient for independent use by various crowds, has simple structure and is convenient for rapid mass production.

Description

Toenail trimmer and device

Technical Field

The invention relates to the field of daily supplies, in particular to a toenail trimmer and a toenail trimmer device.

Background

The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.

The manicure of toenail is the operation that people often need to carry out, generally uses the toenail to cut up the toenail at present, and current toenail is cut more dexterously, but the inventor thinks, when cutting the toenail, needs people to push down, bow, therefore it has following not enough, to the crowd that the health is fatter or the crowd of older age, has a lot of inconveniences, and the main reason is that the handle of toenail is shorter, needs the people's hand to lean on the toenail more closely just can realize the pruning.

In addition, for the trimming of the toenail, since the area of a part of the toenail is large, it is necessary to move the nail clipper many times to completely trim the toenail, and this operation process is troublesome.

There is a toenail clipper of foot control at present, which can solve the problem of difficult stooping of people, but the result is relatively complicated, and in addition, the foot control is still not flexible enough.

Disclosure of Invention

Aiming at the defects that the toenail scissors need to be stooped for use, are not flexible enough to control, have a complex structure and are inconvenient for quick mass production in the prior art, the invention aims to provide the toenail trimmer and the device, which can trim toenails through a trigger mechanism, are convenient for various crowds to use independently, have a simple structure and are convenient for quick mass production.

In order to achieve the purpose, the invention is realized by the following technical scheme:

in a first aspect, the present invention provides a toenail trimmer comprising a blade and a blade holder, wherein the blade is embedded in a T-shaped groove of the blade holder through a T-shaped protrusion, and the blade can rotate around the T-shaped groove of the blade holder; the front end of the blade tilts relative to the blade bracket, and the front end of the blade can approach the bracket; the front end of the blade support is provided with an arc groove, and the arc groove can be concentric with the arc groove at the front end of the limb fitting blade support and the arc of the T-shaped groove.

As a further technical scheme, the tail end of the blade is connected with a second motor through a gear transmission piece, the second motor is connected with a controller, and the blade can be controlled to rotate around a T-shaped groove of the blade support through rotation of the second motor.

As a further technical scheme, a plurality of teeth are arranged at the tail of the blade, a rack is formed at the bottom of the blade by the arc array of the teeth, the rack is meshed with a gear, and the gear and the rack form a gear transmission part.

In a second aspect, the present invention provides a toenail trimmer comprising an air bag, a sensor, a controller, a first motor, a reciprocating mechanism and the toenail trimmer according to the first aspect, wherein the sensor is arranged in the air bag, the sensor is connected with the controller, the controller is connected with the first motor, and an electric signal output by the controller is used for adjusting the rotation direction of the first motor; the output end of the first motor is connected with the reciprocating mechanism, and the first motor can drive the reciprocating mechanism to approach or be far away from the blade; when the reciprocating mechanism approaches the blade, the blade can be pressed downwards, so that the front end of the blade approaches the bracket.

As a further technical solution, the sensor is a pressure sensor, and the pressure sensor is disposed in the air bag for measuring an air pressure value in the air bag.

As a further technical scheme, the cutting tool also comprises a pedal, and the pedal is positioned on the front side of the blade.

The operation principle of the technical scheme disclosed by the invention is as follows: when the pair of toe nail scissors is used, a user can sit on a stool with a proper height, one foot is placed on the pedal, the height is adjusted by rotating the pedal to enable the foot to be matched with the blade, then the front, the back, the left and the right of the foot are adjusted to enable toes to be matched with the arc groove, the toe nails are embedded between the blade and the blade support, and when the user observes that the scissors can just trim the toe nails, the user can slowly press the air bag to finish the trimming of the toe nails; after one cut is performed, the blade is adjusted using the first and second controller buttons to perform the subsequent cut.

The beneficial effects of the above-mentioned embodiment of the present invention are as follows:

1. according to the technical scheme, the control method of holding the air bag by hands is adopted, the sensor in the control method can sense the action of a hand on the air bag, and then the motor is controlled to drive the blade, so that the operation mode avoids bending down, is safe and reliable for people who are inconvenient to bend down, and can help a user to trim toenails when sitting and standing.

2. According to the technical scheme, the front end of the blade is provided with the blade part, and the blade can rotate around the T-shaped protrusion under the driving of the second motor, so that the toenails can be completely cut, the toenails do not need to be bent to adjust in the process, and the use experience can be improved.

3. According to the technical scheme, the blade and the second motor are driven through the gear transmission piece, the gear transmission piece is meshed with each other to ensure the transmission stability, the second motor can better control the blade, and safety accidents of the blade are avoided.

4. In the technical scheme of the invention, the magnifying glass is also arranged, so that the specific condition of toenails can be observed, and injuries can be avoided.

5. In the technical scheme of the invention, the arc groove not only can be attached to the front end of the toe, but also can assist the toe in positioning and fixing the toe; the combination of the blade and the blade support is used, so that the rapid positioning of the toenails can be realized, and the defect that the traditional toenail scissors need to be operated repeatedly in the positioning process is avoided.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

Figure 1 is a schematic side view of the general structure of one or more embodiments of the present invention,

figure 2 is an enlarged view of portion a of figure 1 showing the relationship of the blade and blade holder in position according to one or more embodiments of the present invention,

fig. 3 is a top view of a blade and blade holder according to one or more embodiments of the present invention.

In the figure: 1. a base plate; 2. a controller button; 3. an air bag; 4. a controller; 5. a support plate; 6. a first motor; 7. a cam; 8. a spring; 9. a guide groove; 10. a magnifying glass; 11. a pressure lever; 12. a blade; 121. a blade part 122, a T-shaped protrusion; 13. a rack; 14. a T-shaped groove; 15. a second motor; 16. a sponge cushion; 17. a plate member; 18. a screw; 19. a pedal bracket; 20. a gear shaft; 21. a gear; 22. blade support 221, circular arc recess.

The spacing or dimensions between each other are exaggerated to show the location of the various parts, and the illustration is for illustrative purposes only.

Detailed Description

It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;

for convenience of description, the words "up", "down", "left" and "right" in the present invention, if any, merely indicate correspondence with up, down, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

The terms "mounted", "connected", "fixed", and the like in the present invention are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and the terms used in the present invention should be understood as having specific meanings to those skilled in the art.

As described in the background art, in view of the disadvantages of the related art that the nail clipper needs to be stood down for use, is not flexible enough to control, has a complicated structure and is not convenient for rapid mass production, an object of the present invention is to provide a nail clipper and a device thereof, which can clip nails through a trigger mechanism, facilitate autonomous use by various crowds, and at the same time, have a simple structure and are convenient for rapid mass production, and will be described below with reference to the following embodiments and accompanying drawings.

Example 1

In an exemplary embodiment of the present invention, referring to fig. 2 and 3, a toenail trimmer includes a blade 12 and a blade support 22, the blade 12 being pivotally connected to the blade support 22, the blade 12 being capable of pivoting about its pivotal connection to the blade support 22; the front end of the blade 12 tilts relative to the blade holder 22, and the front end of the blade 12 can approach the holder; the front end of the blade support 22 is provided with a circular arc groove 221, and the circular arc groove 221 can be attached to the limb.

The end of the blade 12 is connected with a second motor 15 through a gear transmission piece, the second motor 15 is connected with the controller 4, and the rotation of the second motor 15 can control the blade 12 to rotate around the hinged position of the blade 12 and the blade support 22.

The bottom side of the blade 12 is connected with a T-shaped protrusion 122, the blade support 22 is provided with a T-shaped groove 14, and the T-shaped protrusion 122 is matched and connected with the T-shaped groove 14; the tail of the blade 12 is provided with a plurality of teeth, the teeth are arrayed in an arc shape to form a rack 13 at the bottom of the blade 12, the rack 13 is meshed with a gear, and the gear and the rack 13 form a gear transmission part.

In this embodiment, according to the physiological characteristics of human beings, the blade 12 can adopt the shape of the commonly used nail scissors, that is, the front end of a steel sheet is bent and sharpened by punching or forging, and the blade portion 121 of the blade is arc-shaped to conform to the shape of the nail. As will be understood by those skilled in the art, the present embodiment actually adopts a different cutting principle from the conventional nail clipper, in which two blades 121 are generally used for cutting work, which cut the toenail from the upper and lower sides, respectively, thereby cutting the toenail; in the present embodiment, however, only one blade 121 is used to cut the toenail, the lower side of the toenail directly contacts the blade holder 22, and the blade 12 is directly cut into the toenail from the upper side thereof, penetrates the toenail, and contacts the blade holder 22 during cutting, and the circular arc groove 221 serves not only to conform to the shape of the front end of the toe, but also to assist the toe in positioning and fixing the toe; with the combination of the blade 12 and the blade holder 22, rapid positioning of the toenail can be achieved, avoiding the disadvantage that conventional toenail scissors need to be operated repeatedly during the positioning process.

Example 2

In a typical embodiment of the present invention, referring to fig. 1, a toenail trimming device includes an air bag 3, a pressure sensor, a controller 4, a first motor 6, a cam 7, a pressure lever 11 and a blade 12, wherein the pressure sensor is disposed in the air bag 3, the pressure sensor is disposed in the air bag 3 for measuring an air pressure value in the air bag 3, the pressure sensor is connected to the controller 4, the controller 4 is connected to the first motor 6, a cam 7 is connected to a terminal of the first motor 6, one end of the pressure lever 11 contacting the cam 7 is sleeved with a spring 8, the pressure lever 11 is inserted into a guide groove 9, the other end of the spring 8 is connected to the guide groove 9, and the spring 8 can keep contacting the cam 7 so that the pressure lever 11 can reciprocate periodically. The cam 7 can touch the pressing rod 11 to enable the pressing rod 11 to reciprocate periodically, the blade 12 is located below the pressing rod 11, and the pressing rod 11 can press the blade 12 downwards when moving towards the blade 12. It is understood that the cam 7, the pressing rod 11, the spring 8 and the guide groove 9 in the present embodiment constitute a reciprocating mechanism, and the direction of movement thereof is up and down reciprocating in the drawing.

In other embodiments, the reciprocating mechanism may also adopt other forms of reciprocating mechanisms, such as a four-bar mechanism, a rack and pinion mechanism, and the like, and detailed descriptions thereof are omitted here.

It can be understood that, in the present embodiment, the air bag 3 is used as a control means, the air bag 3 and the pressure sensor therein only undertake the function of detecting the movement of the hand in the present embodiment, when the hand applies pressure to the air bag 3, the pressure sensor sends a first signal to the controller 4, after receiving the first signal, the controller 4 sends a second signal to the first motor 6, and the second signal is used for adjusting the rotation angle of the output end of the first motor 6, so that the precisely adjusted cam 7 operates, and the pressing rod 11 is driven to move upwards or downwards. It will be understood by those skilled in the art that the first motor 6 in this embodiment is a stepping motor, and the control circuit of the first motor 6 is connected to the pressure sensor. The data output by the pressure sensor can be converted into the rotation angle of the first motor 6. Through the mode that changes the size of holding gasbag pressure, adjust the direction of rotation of first motor, the rotatory reciprocating motion mechanism that pushes down of first motor forward of pressure increase control, the first motor antiport of pressure decrease control, reciprocating motion mechanism rises under the effect of spring force.

Regarding the bracket, the first motor 6 is fixed on the bracket, the bracket is also connected with a guide groove 9, and a pressure rod 11 passes through the guide groove 9 and can move in the guide groove 9; the bracket is also connected with a magnifying glass 10; more specifically, the support comprises a bottom plate 1, a supporting plate 5 and a blade support 22, wherein the supporting plate 5 is vertically connected with the bottom plate 1, the blade support 22 is vertically connected with the supporting plate 5, and the bottom plate 1 serves as a base of the whole device and plays a role in stabilizing the whole mechanism; the first motor 6 is fixed to the top side of the support plate 5 and the second motor 15 is fixed to the bottom side of the blade holder 22.

The guide groove 9 has a through hole for accommodating the pressing rod 11, and in the embodiment, the pressing rod 11 is a cylindrical body, so the through hole of the guide groove 9 is a circular hole.

The middle end of the blade 12 is hinged with a blade bracket 22, and the pressure lever 11 can press the front end of the blade 12; more specifically, the blade holder 22 has a T-shaped slot 14 in the middle thereof, and the blade 12 is inserted into the T-shaped slot 14 of the blade holder 22 through the T-shaped protrusion 122.

It will be appreciated by those skilled in the art that, after adopting the structure of the existing toenail clipper, in the present embodiment, spot welding or argon arc welding may be adopted to connect the toenail clipper and the T-shaped protrusion 122; the direct casting by using the mold can also be used, and the description is omitted.

The front end of the blade support 22 is provided with an arc-shaped groove which is concentric with the T-shaped groove 14 and is used for fitting the front end of the toes. In the usual manufacturing and use process, the blade holder 22 is machined from a rectangular plate, on which a straight groove is first machined using a drill, and then the bottom end of the straight groove is reamed to form the T-shaped groove 14; t-shaped slot 14 can be used for mounting T-shaped protrusion 122; it can be understood by those skilled in the art that the T-shaped groove 14 in the present embodiment may be a closed groove, or a groove with one or two open ends, when one or two open ends of the T-shaped groove 14 are opened, the T-shaped protrusion 122 may be directly inserted into the T-shaped groove 14, when the T-shaped groove 14 is closed, the T-shaped groove 14 may be first cut open, then the T-shaped protrusion 122 may be inserted into the cut open position, and then the cut open position may be welded.

4 electric connection director 4 buttons 2 of controller in this embodiment, when needing the adjustment to prune the angle, press 4 buttons 2 of first controller, second motor 15 drives the angle of 21 rotatory teeth of gear group, drives blade 12 clockwise rotation to change blade 12, press 4 buttons 2 of second controller, second motor 15 drives the angle of 21 rotatory teeth of gear group, and blade 12 anticlockwise rotation once in the drive can adjust repeatedly. It can be understood by those skilled in the art that the controller 4 button 2 in this embodiment includes two normally open switches, which are a first normally open switch and a second normally open switch respectively, where the first normally open switch is the first controller 4 button 2, and the second normally open switch is the second controller 4 button 2, in this embodiment, under the condition of the step motor selected by the second motor 15, the first normally open switch and the second normally open switch are both connected to the control board of the step motor, and the function of the first normally open switch and the function of the second normally open switch are respectively for controlling the forward rotation and the reverse rotation of the second motor 15, and when the first normally open switch and the second normally open switch are set to be triggered simultaneously, the rotation angle of the second motor 15 corresponds to the rotation angle of one tooth of the gear 21.

And a pedal positioned at the front side of the blade 12, the height of the pedal being not greater than the height of the blade holder 22. It will be appreciated by those skilled in the art that in this embodiment the height of the foot plate is 2cm below the height of the blade support 22 so that the underside of the toenail can fit against the blade support 22.

The surface of the pedal is covered with a spongy cushion 16, the pedal comprises a plate 17, a screw rod 18 and a pedal bracket 19, the plate 17 is fixedly connected with one end of the screw rod 18, and the other end of the screw rod 18 is in threaded connection with the pedal bracket 19. The pedal bracket 19 is fixed to the base plate 1.

It is understood that the plate 17 in this embodiment is a circular plate 17, and the surface of the circular plate 17 is covered with the anti-skid thermal sponge pad 16; the height of the circular plate 17 from the bottom plate 1 can be adjusted by rotating the circular plate, so that the circular plate can be matched with the height of the scissors.

The magnifier 10 with adjustable direction is hinged on the guide groove 9, which is convenient for seeing the toe part clearly.

The operation principle of the embodiment is as follows: when the pair of toe nail scissors is used, a user can sit on a stool with a proper height, one foot is placed on the pedal, the height is adjusted by rotating the pedal to enable the foot to be matched with the blade, then the front, the back, the left and the right of the foot are adjusted to enable toes to be matched with the arc groove, the toe nails are embedded between the blade and the blade support, and when the user observes that the scissors can just trim the toe nails, the user can slowly press the air bag to finish the trimming of the toe nails; after one cut is performed, the blade is adjusted using the first and second controller buttons to perform the subsequent cut.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A toenail trimmer is characterized by comprising a blade and a blade support, wherein the blade is embedded in a T-shaped groove of the blade support through a T-shaped protrusion and can rotate around the T-shaped groove of the blade support; the front end of the blade tilts relative to the blade bracket, and the front end of the blade can approach the bracket; the front end of the blade support is provided with an arc groove, and the arc groove can be concentric with the arc groove at the front end of the limb fitting blade support and the arc of the T-shaped groove.

2. The toenail trimmer of claim 1, wherein the distal end of the blade is connected to a second motor through a gear drive, the second motor being connected to the controller, the rotation of the second motor controlling the rotation of the blade about the T-slot of the blade support.

3. The toenail trimmer of claim 1, wherein the tail of the blade is provided with a plurality of teeth, the arcuate array of the plurality of teeth forming a rack at the bottom of the blade, the rack engaging a gear, the gear and rack forming a gear drive.

4. A toenail trimmer according to any one of claims 1 to 3, comprising an air bag, a sensor disposed in the air bag, a controller, a first motor, a reciprocating mechanism, and the toenail trimmer according to any one of claims 1 to 3, wherein the sensor is connected to the controller, the controller is connected to the first motor, and an electric signal output from the controller is used to adjust the rotational direction of the first motor; the output end of the first motor is connected with the reciprocating mechanism, and the first motor can drive the reciprocating mechanism to approach or be far away from the blade; when the reciprocating mechanism approaches the blade, the blade can be pressed downwards, so that the front end of the blade approaches the bracket.

5. The toenail trimming apparatus of claim 4, wherein the reciprocating mechanism comprises a cam, a lever and a spring, the output end of the first motor is connected to the cam, the top end of the lever is sleeved with the spring, the spring is further connected to a bracket so that the lever is kept in contact with the cam, the bracket is provided with a guide slot, and the lever is connected to pass through the guide slot; when the cam moves, the cam drives the pressing rod to reciprocate.

6. The toenail trimming apparatus of claim 4, wherein the sensor is a pressure sensor disposed within the bladder for measuring a pressure value within the bladder.

7. The toenail trimming apparatus of claim 4, further comprising a body holder, the blade holder further connected to the body holder, the first motor being fixed to a top side of the body holder; the support is further connected with a magnifier, and the magnifier is used for magnifying the front end of the blade.

8. The toenail trimming apparatus of claim 7, wherein the body support includes a base plate and a support plate, the support plate being vertically connected to the base plate, and the blade support being vertically connected to the support plate.

9. The toenail trimming apparatus of claim 1, further comprising a pedal positioned on a front side of the blade.

10. The toenail trimming apparatus of claim 9, wherein the surface of the step plate is covered with a sponge pad, the step plate comprises a plate member, a screw rod and a step plate bracket, the plate member is fixedly connected with one end of the screw rod, and the other end of the screw rod is threadedly connected with the step plate bracket; the height of the plate can be adjusted by rotating the pedal.