KR20130012499A

KR20130012499A - Cutting device

Info

Publication number: KR20130012499A
Application number: KR1020110073770A
Authority: KR
Inventors: 이상현
Original assignee: 이상현
Priority date: 2011-07-25
Filing date: 2011-07-25
Publication date: 2013-02-04

Abstract

PURPOSE: A cutting device is provided to automatically return a cutter to the inside a case by an elastic member when a user stops pushing a bottom with a thumb. CONSTITUTION: A cutting device comprises a case(1), a cutter(2), a button(3), and an elastic member. A front end(13) and a rear end(14) of the case are faced to each other and opened. An upside(11) and a lateral side(12) of the case are extended between the front and rear ends of the case and formed at a right angle to each other. The cutter includes a blade(21) and a blade face(22). The blade faces the opposite side of the upside of the case, and the blade face is arranged inside the case parallel to the lateral side of the case. At least a part of the cutter is moved into and out of the case through the front end of the case. The button is joined to the cutter. At least a part of the button is exposed to outside of the upside of the case, thereby being slid along the upside. The elastic member is installed inside the case and joined to the button. The elastic member provides an elastic force to the rear end of the case so that the button is returned.

Description

Cutting device {Cutting device}

The present invention relates to a cutting device, and more particularly to a cutting device used to cut a thin plate such as a metal thin plate.

A member using a metal thin plate such as an aluminum can must undergo a cutting operation of cutting the metal thin plate before forming. The cutting of such thin metal sheets is often performed in a straight line rather than cutting a curved or various shapes, and is often performed in a short time by a large operation rather than cutting finely and precisely. In addition, rather than placing a cutting object on a horizontal surface, such as a desk or work table, and cutting over it, the cutting object is often placed vertically to perform work. Therefore, the cutting device for metal sheet cutting should be designed in consideration of the specificity of this metal sheet cutting.

However, the conventional cutting device is provided with the same configuration as the cutting device for general stationery, as in the prior art document 1 is not only very inconvenient to use for the above-described metal sheet cutting, it is possible to prevent the risk of the relatively large and sharp cutter blade portion. The problem is that there are no safety measures in place.

That is, such a conventional cutting device has a problem that does not consider safety. The cutter blade must protrude during work, but there is a need to avoid the risks that can arise due to the protruding cutter blade during work. This safety problem is not only a cutting device used for cutting the metal sheet, but also a problem that should be improved to a cutting device called a 'cutter' which is generally used a lot.

1: Republic of Korea Patent Publication No. 2009-0059178

The present invention aims to overcome the limitations of the above-mentioned general stationery cutting device and to provide a cutting device having a safety suitable for use in general purpose as well as for metal sheet cutting.

Another object of the present invention is to provide a cutting device capable of quickly and safely cutting various members including a metal thin plate.

In order to achieve the above object, the present invention is a case having a front and rear ends facing each other and open, extending between the front and rear ends and having a top and side surfaces perpendicular to each other, the blade and the blade from the blade A cutter having a cut surface, wherein the blade is located in the case so that the blade faces in the opposite direction to the upper surface and the cut surface is parallel to the side surface, the cutter being provided so that at least a portion of the cut surface passes out of the case through the shear; And at least a portion of the button provided to be slidable along the upper surface to be exposed to the outside of the upper surface, and an elastic member installed inside the case and coupled to the button to provide an elastic force to restore the button in the direction of the rear end. It provides a cutting device comprising a.

According to another feature of the invention, the case includes a first slit extending in the direction of the front end from the rear end on the upper surface, the button, the first button located on the upper surface and the first button And a first support coupled to the cutter and extending into the case through the slit.

According to another feature of the invention, the first slit can be opened toward the rear end.

According to another feature of the invention, the button may include a first button located on the upper surface, and a second button coupled to the first button and located on the side.

According to another feature of the invention, the first button and the second button may be combined to be detachable.

According to another feature of the invention, the case includes a first guide extending in the direction of the front end from the rear end on the upper surface, the first button may include a second guide opposed to the first guide Can be.

According to another feature of the invention, the case has a first front end and a first rear end facing each other and open, extending between the first front end and the first rear end and perpendicular to each other the first upper surface and the first side surface A first main body having a first main body having a first front end and a second rear end facing and open to each other, extending between the second front end and the second rear end and perpendicular to each other; A second front end may be connected to the first rear end, and the second top surface may extend from the first top surface, and the second side surface may include a first extension part extending from the first side surface.

According to another feature of the invention, the button is coupled to the cutter and at least a portion of the second body provided to be slidable along the upper surface is exposed to the outside of the upper surface, and at least a portion is exposed to the outside of the upper surface It may include a second extending portion extending from the second body.

According to another feature of the invention, the second extension portion may be provided to overlap with the second body.

According to another feature of the invention, the third guide is located inside the case, extending between the front end and the rear end, and having at least one guide groove in the longitudinal direction, coupled to the button and the third guide and It may further include a third support which is disposed to face each other and having a protrusion corresponding to the guide groove.

According to the present invention as described above, it is possible to control the entry and exit of the cutter into the case while moving a part of the button placed on the upper surface of the case so that the user is standing vertically with the thumb placed on a part of the button It is easier to cut the arm horizontally or vertically toward the metal sheet, thereby further improving the efficiency and speed of the metal sheet cutting operation.

Moreover, when the user does not push the button with the thumb anymore due to the elastic member, the cutter can be automatically returned to the case and stored so that the cutter is not exposed to the outside of the case during the cutting work for safety. Can be. In addition, the cutter is not exposed to the outside of the case while swinging the cutting device between the cutting and cutting to prevent the problem that the unwanted portion of the metal sheet is cut by the immature work of the user.

In addition, since the button is provided with a first button and a second button, when the user wants to cut the metal sheet which is vertically erected, the cutting device can be used by holding the cutting device by controlling the first button with a thumb. If you want to cut the thin metal plate can be used to hold the cutting device in a way to control the second button with a thumb.

In addition, the present invention can further improve handling by the configuration of the first body and the first extension portion and / or the second body and the second extension portion.

In addition, the user can give a feeling enough when the user pushes the button to pull the cutter out of the shear, so that when the user pushes the button, the cutter suddenly protrudes to prevent a safety accident.

1 is a perspective view schematically showing the configuration of a cutting device according to an embodiment of the present invention,
2 is a cross-sectional view taken along II-II of FIG. 1;
Figure 3 is a perspective view schematically showing the configuration of a cutting device according to another embodiment of the present invention,
4 is a cross-sectional view taken along line IV-IV of FIG. 3;
Figure 5 is a side view schematically showing the configuration of a cutting device according to another embodiment of the present invention,
Figure 6 is a side view schematically showing the configuration of a cutting device according to another embodiment of the present invention,
7 is a partial perspective view of one embodiment of the button of FIG. 6, FIG.
8 is a side cross-sectional view showing another embodiment of the button of FIG. 6;
9 is a partial cross-sectional view schematically showing the configuration of a cutting device according to another embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view schematically showing the configuration of a cutting device according to an embodiment of the present invention, Figure 2 is a cross-sectional view according to II-II of FIG.

1 and 2, the cutting device of the present invention includes a case 1, a cutter 2 located in the case, a button 3 coupled to the cutter 2, and the case ( 1) includes an elastic member 5 installed therein.

The case 1 has a front end 13 and a rear end 14 opposite and open to each other, as shown in FIGS. 1 and 2, extending between the front end 13 and the rear end 14 and perpendicular to each other. An upper surface 11 and a side surface 12 are provided. The case 1 does not necessarily have to have a rectangular parallelepiped configuration as shown in FIG. 1 and may be modified to have various shapes at least in part. In addition, the upper surface 11 and the side surface 12 are not necessarily provided in a straight plane, but may include a curved surface at least in part. The case 1 may be formed of metal or plastic.

According to an embodiment of the present invention, the case 1 includes a first slit 111 extending in the direction of the front end 13 from the rear end 14 on the upper surface 11. The first slit 111 is preferably opened toward the rear end 14, thereby enabling the entry and exit of the button 3 into the case 1 when the cutter 2 is replaced.

In FIG. 1, the first slit 111 is open toward the rear end 14 and not open toward the front end 13, but the present invention is not limited thereto, and the first slit 111 is not limited thereto. It may also be open toward the front end 13. However, in this case, it is preferable that the front end 13 is narrowly formed so that the button 3 does not exit the case 1 through the front end 13.

The cutter 2 has a blade 21 capable of cutting a thin metal plate, and a knife surface 22 extending from the blade 21. The knife surface 22 refers to the side of the cutter 2 extending from the blade 21 toward the knife back as shown in FIG.

The cutter 2 faces the lower surface of the blade 21 opposite to the upper surface 11 of the case 1 and the blade surface 22 is parallel to the side surface 12 of the case 1. It is located in the case 1. And the cutter (2) is provided so that at least a part including the front end of the cutter (2) through the front end 13 of the case (1) in and out of the case (1).

The button 3 is coupled to the cutter 2 to allow a user to control the entry and exit of the cutter 2 out of the case 2, and at least part of the upper surface 11 of the case 1. Exposed to the outside is provided to be slidable along the upper surface (11).

1 and 2, the button 3 is coupled to the first button 31 and the first button 31 positioned on the upper surface 11. The first support 311 extends into the case 1 through the first slit 111 and is coupled to the cutter 2. The first support 311 extends from the lower surface of the first button 31 positioned on the upper surface 11 to the inside of the case 1, and is coupled to the rear end of the cutter 2 in the case 1. do.

The elastic member 5 is installed inside the case 1 and is coupled to the button 2 to provide an elastic force to restore the button 2 in the direction of the rear end 14 of the case 1. . According to one embodiment of the invention according to Figures 1 and 2, the elastic member 5 may be coupled to the first support 311.

The elastic member 5 includes an elastic body such as rubber or spring. In addition, the elastic member 5 may be directly fixed to the button 2, or provided with a separate coupling member (not shown) to the button (2) in such a way to be caught in a part of the button (2) It may be detachably coupled.

When the user removes the force pushing the button 2 toward the front end 13 due to the elastic member 5, the button 2 returns to the direction of the rear end 14 so that the cutter 2 has a case ( 1) can be stored in.

This elastic member 5 is equally applied to all embodiments of the present invention to be described below.

A lid 4 may be further coupled to the rear end 14 of the case 1 to prevent the button 3 from being separated.

In the present invention, the first button 31 is disposed on the upper surface 11 of the case 1, and the cutter 2 moves on the first button 31 along the first slit 111 formed on the upper surface 11. It is possible to control the entry into the case (1) of the user so that the user put his thumb on the first button 31, the arm to shake the arm in a horizontal or vertical direction to the vertical metal plate standing vertically It is easier to do, thereby further increasing the efficiency and speed of the metal sheet cutting operation.

Furthermore, when the user no longer pushes the first button 31 with the thumb due to the elastic member 5, the cutter 2 can be automatically returned to the case 1 so as to rest the cutting work. While the cutter 2 is not exposed to the outside of the case 1, safety can be achieved. In addition, the cutter 2 is not exposed to the outside of the case 1 even while swinging the cutting device between the cutting and cutting, thereby preventing the undesired portion of the metal sheet being cut by the user's inexperience. .

3 and 4 illustrate another embodiment of the present invention.

3 and 4, a second slit 121 extending from the rear end 14 in the direction of the front end 13 is formed on the side surface 12 of the case 1. The second slit 121 is also open toward the rear end 14, but may also be opened toward the front end 13 like the above-described first slit.

The button 3 includes a first button 31 positioned on the upper surface 11 and a second button 32 positioned on the side surface 12. As shown in FIGS. 3 and 4, the first button 31 and the second button 32 are coupled to each other so that the button 3 may be bent at a right angle.

The second button 32 is provided with a second support 321 extending into the case 1 through the second slit 121. The second support 321 is formed with a fixing stand 322 extending in a direction parallel to the knife surface 22, the cutter 2 is the cutter 2 in such a way that the knife surface 22 is coupled to the holder (322) It is coupled to the two support (321).

In this way, the button 3 is provided as the first button 31 and the second button 32, so that when the user wants to cut the metal sheet which is vertically erected, the first button 31 is controlled by the thumb. It can be used to hold the cutting device, if you want to cut the horizontal thin metal plate can be used to hold the cutting device in a way to control the second button 32 with the thumb.

The first button 31 and the second button 32 may be detachably coupled to each other. For example, as shown in FIG. 4, a coupling pin 313 is formed on the first button 31 and the first button 31 is formed. A coupling groove 323 is formed in the two buttons 32 to couple the first button 31 and the second button 32 by fitting the coupling pin 313 into the coupling groove 323. Detachment of the first button 31 and the second button 32 is not necessarily limited thereto, and various modifications are possible.

On the other hand, the first guide 112 extending from the rear end 14 in the direction of the front end 13 is formed on the upper surface 11 and on the surface facing the upper surface 11 of the first button 31. The second guide 312 may be formed to face the first guide 112 so that the first button 31 may be more easily manipulated by the user when the first button 31 slides on the upper surface 11. The first guide 112 may be provided as a groove installed in the upper surface 11, and the second guide 312 may be provided as a protrusion which may be inserted into the groove. Of course, the reverse can be reversed.

In the above-described embodiment, the second slit 121 is installed on the side surface 12 of the case 1 and the cutter 2 is coupled to the second support 321 of the second button 32. The present invention is not necessarily limited thereto, and in the case of the above-described embodiment according to FIGS. 1 and 2, the second button 32 is provided on the side surface 12 so that the second button 32 may be combined with the first button 31. It is possible.

5 is a side view showing another embodiment of the present invention.

Referring to FIG. 5, the case 1 of another embodiment of the present invention includes a first body 1a and a first extension part 1b.

The first body 1a has a first front end 13a and a first rear end 14a facing and open to each other, extending between the first front end 13a and the first rear end 14a and perpendicular to each other. Has a first upper surface 11a and a first side surface 12a.

The first extension portion 1b has a second front end 13b and a second rear end 14b facing each other and open to each other, and extend between the second front end 13b and the second rear end 14b and mutually. A second upper surface 11b and a second side surface 12b that are perpendicular to each other are provided. The second front end 13b is connected to the first rear end 14a, the second top surface 11b extends from the first top surface 11a, and the second side surface 12b is the first side surface 12a. ).

The first body 1a is formed to have the same length A1 as the general cutter knife determined by the standard. The first extension portion 1b is formed to have a length A2 sufficient to be grasped by a person. The first body 1a and the first extension part 1b may be integrally formed, but may be provided to be detachable.

In the case of a general cutter knife, as the length of the cutter can only be formed according to a predetermined standard as shown in A1 of FIG. 5, in a work such as cutting of a metal sheet, it becomes too inconvenient for a person to hold by hand.

An embodiment of the present invention is the first extension portion 1b formed of a length A2 sufficient for human handholding to the rear end of the first body 1a formed of the same length A1 as the general cutter knife defined in this standard. Since the e) is extended, it is easier for the user to hold the first extension part 1b and to cut the metal sheet.

Such ease of handling may also be achieved by embodiments such as FIG. 6.

FIG. 6 is a side view illustrating another embodiment of the present invention. Referring to FIG. 6, the first button 31 of another embodiment of the present invention is coupled to the cutter 2 and at least a portion thereof. A second main body 31a exposed outside the upper surface 11 and slidable along the upper surface 11, and at least a portion of the second main body 31a exposed outside the upper surface 11 and extending from the second main body 31a. The second extension part 31b is included.

At this time, the second extension portion 31b may extend in the direction of the front end 13 from the second body 31a.

The second body 2a is formed to have the same length B1 as the button of a general cutter knife determined by the standard. The second extension portion 1b extends from the second body 31a to a length B2 sufficient for the user to push the thumb in the direction of the front end 13. Therefore, even if the entire length A1 of the case 1 is the same as that of a general cutter knife, a length sufficient to allow the user to grab the rear part of the case 1 and push the button 3 with the thumb is provided to the first button 31. It can be provided, making it easier for a user to grasp the rear end of the case 1 and cut the metal sheet.

The second extension part 31b as described above is provided to be able to overlap with the second body 31a, and keeps a short length when the first button 31 does not need to be formed long such as a user with a small hand. You can do that.

FIG. 7 shows an example of the projection 314 formed on the second body 31a and the projection 315 formed on the second extension portion 31b, and then, these projections 314 ( The shim is connected to penetrate 315 so that the second extension portion 31b is rotatable about the second body 31a.

FIG. 8 illustrates another example. After the grooves 316 formed in the second body 31a and the grooves 317 formed in the second extension part 31b are fitted to each other, these grooves 316 are fitted. The second extension portion 31b is slidably coupled to the second body 31a around the center 317. At this time, although not shown in the drawings, it is preferable that the support part connected to the cutter 2 is formed in the second body 31a so that the support part does not interfere with the sliding movement of the second extension part 31b.

In the embodiments according to FIGS. 6 to 8, the length B1 of the second body 2a is set to be the same length as that of a button of a general cutter knife, which is defined as a standard. However, the present invention is not limited thereto. The length B1 of the second body 2a becomes shorter than the standard, and the length B1 of the second body 2a and the length B2 of the second extension part 1b add up. It can be made the same length as the button of the general cutter knife prescribed | regulated by the specification.

6 to 8 illustrate that only the first button 31 includes the second body 31a and the second extension part 31b. However, the present invention is not limited thereto, and the first button 31 is not limited thereto. ) And / or the second button 32 may have a second body and a second extension.

9 is a cross-sectional view showing a portion of another embodiment of the present invention.

The cutting device according to the embodiment illustrated in FIG. 9 includes a third guide 61 positioned inside the case 1 and a third support 62 disposed to face the third guide 61. do.

The third guide 61 is formed to have a longitudinal direction from the front end 13 to the rear end 14 of the case 1, and has at least one guide groove 611 on the outer surface along the longitudinal direction. . The third guide 61 may be attached to the inner wall of the case 1 or integrally formed with the case 1. The guide groove 611 is formed to have a relatively steep slope toward the front end 13 and to have a relatively gentle slope toward the rear end 14.

The third support 62 has a protrusion 621 coupled to the button 3 and facing the third guide 61. The protrusion 621 is positioned to fit in the guide groove 611.

According to this structure, when the user pushes the button 3 toward the front end 13, the protrusion 621 must pass through a steep slope of the guide groove 611, so that the user can feel something caught, When the force is removed from the button 3, when the button 3 is restored in the rear end 14 direction according to the elastic member described above, the button 3 passes through the gentle slope of the guide groove 611. ) Will be able to return naturally.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation and that those skilled in the art will recognize that various modifications and equivalent arrangements may be made therein. It will be possible. Therefore, the true scope of protection of the present invention should be defined only by the appended claims.

Claims

A case having a front end and a rear end opposed to each other and extending between the front end and the rear end and having top and side surfaces perpendicular to each other;
A cutter having a blade and a knife surface extending from the blade, wherein the blade is positioned in the case so that the blade faces in the opposite direction to the upper surface and the knife surface is parallel to the side surface and is provided so that at least a portion of the blade surface enters and exits the case through the shear; ;
A button coupled to the cutter and provided to be slid along the upper surface with at least a portion exposed to the outside of the upper surface; And
And an elastic member installed inside the case and coupled to the button to provide an elastic force to restore the button in the direction of the rear end.

The method of claim 1,
The case includes a first slit on the upper surface extending in the direction of the front end from the rear end,
The button,
A first button located on the upper surface; And
And a first support coupled to the first button and extending into the case through the slit, and coupled to the cutter.

The method of claim 2,
And the first slit is open toward the rear end.

The method of claim 1,
The button,
A first button located on the upper surface; And
And a second button coupled to the first button and positioned on the side surface.

5. The method of claim 4,
The first button and the second button is a cutting device, characterized in that coupled to be detachable.

5. The method of claim 4,
The case includes a first guide extending in the direction of the front end from the rear end on the upper surface,
The first button is a cutting device, characterized in that it comprises a second guide facing the first guide.

7. The method according to any one of claims 1 to 6,
In this case,
A first main body having a first front end and a first rear end facing each other and having a first front end, and having a first upper surface and a first side surface extending between the first front end and the first rear end and perpendicular to each other; And
A second front end and a second rear end that are opposite to and open to each other and extend between the second front end and the second rear end and are perpendicular to each other, the second front end being the first rear end; And a second extension surface connected to the second upper surface and extending from the first upper surface and the second side surface extending from the first side surface.

7. The method according to any one of claims 1 to 6,
The button,
A second body coupled to the cutter and provided to be slidable along the upper surface at least partially exposed to the outside of the upper surface; And
And a second extension part at least partially exposed to the outside of the upper surface and extending from the second body.

9. The method of claim 8,
And the second extension part is provided to overlap with the second body.

7. The method according to any one of claims 1 to 6,
A third guide positioned inside the case and extending between the front end and the rear end and having at least one guide groove along a length direction; And
And a third support coupled to the button and disposed to face the third guide and having a protrusion corresponding to the guide groove.