KR20130074916A - Safe cutter which blade is protruded elastically of - Google Patents

Abstract

PURPOSE: A safety cutter in which blades are elastically protruded is provided to prevent safety accidents by comprising the blade to be protruded to an object only when a main body is positioned on the object and is pressurized downwards. CONSTITUTION: A safety cutter (100) in which blades is elastically protruded comprises a main body and a blade. The main body includes an elastic support unit (113) by forming a slit (111) whereby one end is opened in the lower end and a blade inserting groove which is formed in the upper direction in a lower side. The blade is inserted into the blade inserting groove, and the lower end is positioned on one surface of the elastic support unit and is protruded to an object by the flow of the main body facing the elastic support unit only when the main body is positioned on the object and is pressurized downwards.

Description

SAFE CUTTER WHICH BLADE IS PROTRUDED ELASTICALLY OF}

The present invention relates to an elastic blade protruding safety cutter, and more particularly, the blade is protruded to the cutting object only when the main body is pressed in the downward direction while the main body is placed on the cutting object, so that anyone without risk of a safety accident An elastic blade protruding safety cutter for safe use.

In general, since the cutter is essentially provided with a blade for cutting the cutting object, safety accidents are frequently generated by carelessness or mischief.

Various measures have been proposed to prevent safety accidents caused by blades. For example, Korean Utility Model Publication No. 20-2011-0003540 (2011.04.13.) Includes a case in which a cutter is formed and a spring. Including a button for projecting the cutter semi-automatically, children can use the cutter as the blade of the cutter protrudes enough to cut 1 or 2 sheets of paper through the cutter protrusion provided at the bottom of the case only when the button is pressed. Safety cutters for children are available to minimize injury and prevent injury.

However, in order to cut a cutting object such as paper using a child safety cutter as described above, it is very cumbersome to use and it is impossible to replace the blade because it must be flowed by holding the case while pressing the button while pressing the button. There is this.

An object of the present invention, since the blade is configured to protrude into the cutting object only when the main body is pressed on the cutting object in the downward direction, the elastic blade protrusion safety cutter to enable anyone to use safely without the risk of accidents. To provide.

Another object of the present invention is to provide an elastic blade protruding safety cutter that can be easily replaced blade.

Still another object of the present invention is to provide an elastic blade protruding safety cutter, which makes it possible to easily set the degree of pressure on the main body during use.

An object of the present invention described above, the main body is formed by the formation of the slit open only at one end of the lower end and the blade insertion groove is formed in the upper direction on the lower side, and fixed fixedly inserted into the blade insertion groove of the main body An elastic blade protrusion including a blade which is located on one surface of the elastic support and protrudes into the cutting object by the flow of the main body toward the elastic support only when the body is pressed downward in a state where the main body is placed on the cutting object. By providing a type safety cutter.

According to a preferred feature of the invention, it further comprises a magnet which is provided in the main body for fixing the blade, the blade is replaceably coupled to the blade insertion groove by the magnet.

According to a preferred feature of the invention, the slit is formed of only one so that the main body flows in one step only with respect to the elastic support when the main body is pressed downward in the state placed on the cutting object.

According to a preferred feature of the present invention, the slit is formed in two combinations so that the main body flows in two steps with respect to the elastic support when the main body is pressed downward in a state where the main body is placed on the cutting object. .

According to a preferred feature of the invention, the slits are formed symmetrically one by one on both sides of the body.

According to a preferred feature of the present invention, both ends are closed in the elastic support so that the elastic deformation of the elastic support itself occurs before the flow of the main body when the main body is pressed on the cutting object in a downward direction. Added slits are formed.

According to a preferred feature of the invention, the main body, the lower end is formed with the elastic support portion and the lower side of the first body portion is formed with the blade insertion groove, one side surface of the first main body portion to expose the elastic support portion And a second body portion coupled to and coupled to the second body portion.

According to a preferred feature of the invention, the main body further comprises a third main body portion which is coupled to the other side surface of the first main body portion so as to expose the elastic support portion.

According to a preferred feature of the invention, one side of the elastic support is formed with a guide groove for guiding the protruding of the blade.

According to a preferred feature of the present invention, the blade is formed by cutting the cutter blade for stationery in each of the partial pieces.

According to a preferred feature of the present invention, a "Ｖ" shaped locking step is formed at the upper end of the blade insertion groove so that the user can insert the blade in different directions according to the right-handed or left-handed.

According to the elastic blade protruding safety cutter according to the present invention, the flow space is formed by the slit only when pressing the lower direction in the state that the main body is placed on the cutting object so that the blade does not protrude but the elastic support portion is in contact with the usual As the main body flows toward the elastic support portion, the fixed blade inserted into the main body protrudes into the cutting object, so that anyone can use it safely without the risk of a safety accident.

In addition, according to the elastic blade protruding safety cutter according to the present invention, since the main body is to be moved by pressing downward in the state positioned on the cutting object, it has the same mode of use as a conventional knife.

In addition, according to the elastic blade protruding safety cutter according to the present invention, as the blade is replaceably coupled to the blade insertion groove and the magnet is detachably fixed to the blade inside the body, the elastic support is in contact with a thick book or wooden board. The protruding blade can be easily embedded in a thick book or wooden board by simply pressing it downward while the main body is positioned so that the blade can be easily removed by pushing the new blade into the blade insertion groove. As the blade is introduced and fixed into the insertion groove, the blade can be easily replaced.

In addition, according to the elastic blade protruding safety cutter according to the present invention, as the blade is formed by cutting the cutter blade for stationery for each partial piece and at the same time the "Ｖ" ruler is formed at the top of the blade insertion groove, the user Has an excellent effect that can be inserted and used by changing the direction of the blade according to the direction of use of the right-handed or left-handed.

In addition, according to the elastic blade protruding safety cutter according to the present invention, a second main body portion or a third main body coupled to the first main body portion is formed with the elastic support portion at the bottom and the blade insertion groove is formed at one side lower portion As the lower end of the portion forms a support surface forming a pressing limit for the main body, there is an excellent effect that the user can easily set the degree of pressing on the main body when using.

1 is a perspective view of an elastic blade protrusion safety cutter according to a first embodiment of the present invention.
2 and 3 are exploded perspective view of the elastic blade protrusion safety cutter according to the first embodiment of the present invention.
Figure 4 is an operation of the elastic blade protrusion safety cutter according to the first embodiment of the present invention.
Figure 5 is a perspective view of the elastic blade protrusion safety cutter according to a second embodiment of the present invention.
6 and 7 are exploded perspective view of the elastic blade protrusion safety cutter according to the second embodiment of the present invention.
8 is an operation of the elastic blade protrusion safety cutter according to the second embodiment of the present invention.
Figure 9 is a perspective view of the elastic blade protrusion safety cutter according to a third embodiment of the present invention.
10 and 11 are exploded perspective views of the elastic blade protrusion safety cutter according to the third embodiment of the present invention.
12 is an operation of the elastic blade protrusion safety cutter according to the third embodiment of the present invention.
Figure 13 is a perspective view of the elastic blade protrusion safety cutter according to a fourth embodiment of the present invention.
14 and 15 are exploded perspective views of the elastic blade protrusion safety cutter according to the fourth embodiment of the present invention.
16 is an operation of the elastic blade protrusion safety cutter according to the fourth embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are intended to describe in detail enough to be easily carried out by those skilled in the art to which the present invention pertains. This does not mean that the technical spirit and scope of the present invention is limited.

The elastic blade protrusion safety cutters 100, 200, 300, and 400 according to the present invention are only pressed when the main body 110, 210, 310, and 410 are pressed downward in a state of being placed on the cutting object 3. As the blades 120, 220, 320, and 420 are configured to protrude into the cutting object 32, they can be used safely by anyone without the risk of safety accidents. As shown in FIGS. The elastic support portions 113, 213, 313, and 413 are formed by the formation of the slits 111, 211, 311, 411, and 411 'that are opened, and the blade insertion grooves 115, 215, 315, and 415 are directed upward. It is formed into the main body 110, 210, 310, 410 and the blade insertion grooves (115, 215, 315, 415) of the main body (110, 210, 310, 410) is fixed and the lower end of the elastic support (113, 213) , 313, 413 is located on one surface of the main body 110, 210, 310, 410 only when the pressure in the downward direction in the state positioned on the cutting object (3) It comprises a holy portion (113, 213, 313, 413) towards the body (110, 210, 310, 410) edge (120, 220, 320, 420) projecting in cutting the object (3) by the flow of.

Here, the main body (110, 210, 310, 410) forms the case of the elastic blade protruding safety cutter (100, 200, 300, 400) according to the present invention and at the same time corresponding to the grip portion, the bottom The elastic support portions 113, 213, 313, and 413 are formed by the formation of slits 111, 211, 311, 411, and 411 'that are open only at one end thereof, and the blade insertion grooves 115, 215, and 315 are directed upward. , 415 is formed.

The slits 111, 211, 311, 411, and 411 ′ are the main bodies 110, 210, 310 when the main bodies 110, 210, 310, and 410 are pressed downward while the main bodies 110, 210, 310, and 410 are positioned on the cutting object 3. , 410 forms a flow space that allows the elastic support portion 113, 213, 313, 413 to flow toward the main body 110, 310 as shown in FIGS. 1 to 4 and 9 to 12. ) Is formed only one so that the main body (110, 310) flows in one step with respect to the elastic support (113, 213) in the case of pressing in the downward direction in the state placed on the cutting object (3) 311), and as shown in FIGS. 5 to 8, when the main body 210 is pressed downward in a state where the main body 210 is positioned on the cutting object 3, the main body 210 is elastically supported ( 213, 213 are formed symmetrically on each side of the main body so as to stably flow in the direction perpendicular to the cutting object (drawing portion) No. 211), and as shown in FIGS. 13 to 16, when the main body 410 is pressed in the downward direction while the main body 410 is positioned on the cutting object 3, the main body 410 is elastically supported. It may be formed in two combinations (corresponding to reference numerals 411 and 411 ') so as to flow in two stages with respect to 413.

In particular, the slits 411 and 411 'formed of two combinations have the main body 410 with respect to the elastic support 413 when the main body 410 is pressed downward in a state where the main body 410 is positioned on the cutting object 3. On the upper part of the slit 411 to be primarily flowed in one step, the other one slit 411 'is formed so that the body 410 flows in two steps with respect to the elastic support 413 after the flow in one step. Has a configuration.

The elastic support parts 113, 213, 313, and 413 formed by the aforementioned slits 111, 211, 311, 411, and 411 ′ may be in contact with the cutting object 3 to form the main body 110, 210, 310, and 410. By forming the support surface for the flow, it can be formed in various shapes according to the shape (direction, length, bending, etc.) of the slits (111, 211, 311, 411, 411 ').

In addition, the guide grooves 113a, 213a, 313a, and 413a for guiding the protrusion of the blades 120, 220, 320, and 420 are formed on one surface of the elastic support parts 113, 213, 313, and 413. , 213a, 313a, and 413a are preferably formed almost in line with the blade insertion grooves 115, 215, 315, and 415.

In addition, as shown in FIGS. 5 to 8, an additional slit 213b having both ends closed in the elastic support part 213 may be formed, and the additional slit 213b forms the main body 210 on the cutting object 3. When pressed in the downward direction in the state positioned in the role of causing the elastic deformation of the elastic support 213 itself before the flow of the main body 210. In this case, when the main body 210 is pressed on the cutting object 3 in the downward direction, the elastic support part 213 is first deformed by the additional slit 213b, and then the main body by the slit 211. The blade 220 protrudes while the 210 flows toward the elastic support 213.

The blade insertion grooves 115, 215, 315, and 415 are formed in the upper direction below the main body 110, 210, 310, and 410, and the blade insertion grooves 115, 215, 315, and 415 are the blades 120, 220, 320, 420 is inserted into a fixed portion, is formed in the form of a groove that is open only at the bottom.

As shown in Figures 1 to 8, the upper end of the blade insertion grooves (115, 215) "Ｖ" shaped locking step 115a, 215a is formed, the "Ｖ" shaped locking step (115a, 215a) is When the blade (120, 220) is formed by cutting the cutter blade for stationery cutters commonly used in each of the partial pieces, it serves to allow the user to insert by changing the direction of the blade according to the right-handed or left-handed do.

Due to the "Ｖ" ruler step (115a, 215a), the elastic blade protruding safety cutters (100, 200) according to the present invention can be used regardless of whether the user is right-handed or left-handed.

Although not shown, the same configuration as the “Ｖ” shaped locking step 115a and 215a may be applied to the blade insertion grooves 315 and 415.

In addition, the main body 110, 210, 310, 410 is formed with a magnet insertion groove 117, 217, 317, 417 for fixing the insertion of the magnets (130, 230, 330, 430) will be described later, this magnet insertion The grooves 117, 217, 317, and 417 are preferably formed at the top or one side of the blade insertion grooves 115, 215, 315, and 415.

The above-described main body 110, 210, 310, 410 may have a polygonal shape including a quadrangle as shown in FIGS. 1 to 4, and an animal including a dog, as shown in FIGS. 5 to 8, It may have a shape of a plant, a car, a house, or the like, and may be formed in an elongated shape such as writing instruments as shown in FIGS. 9 to 16, and may be formed in various other shapes.

The blades 120, 220, 320, and 420 are inserted into and fixed to the blade insertion grooves 115, 215, 315, and 415 of the main bodies 110, 210, 310, and 410, and the blades 120, 220, 320, 420 is usually located at the lower end of the guide grooves 113a, 213a, 313a, and 413a for guiding the protruding edges of the elastic supports 113, 213, 313, and 413, that is, the blades 120, 220, 320, and 420. The main body 110, 210, 310 facing the elastic support 113, 213, 313, 413 only when the main body 110, 210, 310, 410 is pressed downward in a state where the main body 110, 210, 310, 410 is positioned on the cutting object 3. , 410 to protrude to the cutting object 3 by the flow of the cutting object (3) to enable the cutting, can be formed into a variety of types of blades, but generally used for cutter blade for stationery It is preferably formed by cutting into partial fragments.

The magnets 130, 230, 330, and 430 are provided in the above-described magnet insertion grooves 117, 217, 317, and 417, and the magnets 130, 230, 330, and 430 are blades 120 formed of iron material. As a role of detachably fixing the 220, 320, 420 by magnetic force so that the blades (120, 220) are replaceably coupled to the blade insertion groove (115, 215, 315, 415).

The above-described main body 110, 210, 310, and 410 is illustrated in FIGS. 2, 6, 10, and 14 for assembling the blades 120, 220, 320, and 420 and the magnets 130, 230, 330, and 430. As shown, the lower end of the first support portion 110a, 210a, 310a, the elastic support portion 113, 213, 313, 413 is formed and the blade insertion groove (115, 215, 315, 415) is formed on one side lower portion 410a and the magnetic support grooves 117, 217, 317, and 417 are joined to one side of the first body parts 110a, 210a, 310a, and 410a to expose the elastic support parts 113, 213, 313, and 413. ) Includes a second body portion 110b, 210b, 310b, 410b, or as shown in FIGS. 3, 7, 11, and 15, the first body portion 110a, 210a, 310a, 410a. ), The second body portion (110b, 210b, 310b, 410b) in addition to the other side of the first body portion (110a, 210a, 310a, 410a) so as to expose the elastic support (113, 213, 313, 413) It further comprises a third body portion (110c, 210c, 310c, 410c).

In this case, the second main body parts 110b, 210b, 310b, and 410b and the third main body part so that the elastic support parts 113, 213, 313, and 413 are exposed to the first main body parts 110a, 210a, 310a, and 410a. As the 110c, 210c, 310c, and 410c are coupled, the lower ends of the second body parts 110b, 210b, 310b, and 410b and the third body parts 110c, 210c, 310c, and 410c are elastic support parts 113, 213, A kind of support step is formed on the upper side of the 313 and 413, which forms a pressure limit for the main body 110, 210, 310, 410.

In particular, when the second main body parts 110b, 210b, 310b and 410b and the third main body parts 110c, 210c, 310c and 410c are simultaneously coupled to both sides of the first main body parts 110a, 210a, 310a and 410a. As the twisting of the elastic support parts 113, 213, 313, and 413 itself is prevented on both sides, more stable operation is possible.

The combination of the second main body parts 110b, 210b, 310b, 410b and the third main body parts 110c, 210c, 310c, 410c to the first main body parts 110a, 210a, 310a, and 410a is a piece assembly and a high frequency bonding. It can be made through the application of a known component joining method, such as a coupling groove-coupling protrusion structure.

Therefore, the elastic blade protrusion safety cutter (100, 200, 300, 400) according to the present invention described above, the blades 120, 220, 320, 420 is not protruded during normal use, the elastic support portion 113, 213 in use Slits 111, 211, 311, 411, 411 ′ only when the main body 110, 210, 310, 410 is pressed downward in a state where the main body 110, 210, 310, 410 is placed on the cutting object 3. The blades 120 fixed to the main body 110, 210, 310, and 410 are inserted into the main body 110, 210, 310, and 410 by flowing toward the elastic support parts 113, 213, 313, and 413 by a flow space formed by the body. , 220, 320, 420 is protruded to the cutting object (3) anyone can use safely without the risk of safety accidents.

In addition, in the case of the elastic blade protruding safety cutter (100, 200, 300, 400) according to the present invention described above, the main body (110, 210, 310, 410) in the lower direction in the state to be placed on the cutting object (3) Since it only needs to be moved under pressure, it has the same mode of use as a conventional knife with its blade exposed. In the case of a conventional cutter knife, the slider is pushed against the object to be cut in the state where the blade is first protruded from the case, but the elastic blade protrusion type safety cutter (100, 200, 300, 400) according to the present invention is to be cut. (3) It is more convenient to use than a conventional cutter knife because it only needs to be moved by pushing downward in the state positioned on (3).

In addition, in the case of the elastic blade protruding safety cutter (100, 200, 300, 400) according to the present invention described above, the blades (120, 220, 320, 420) in the blade insertion groove (115, 215, 315, 415) The replacement of the main body 110, 210, 310, 410 inside the body (110, 230, 330, 430) for detachably fixing the blade (120, 220, 320, 420) is provided as a thick book or Protruding blades 120, 220, 320, 420 by simply pressing downward in a state where the main body 110, 210, 310, 410 is positioned so that the elastic support parts 113, 213, 313, 413 are in contact with a wooden board or the like. ) Can be easily removed by being embedded in a thick book or wooden board, and the new blades (120, 220, 320, 420) can be pushed into the blade insertion grooves (115, 215, 315, 415) by placing the magnets (130, 230, The blades 120, 220, 320 and 420 may be easily replaced as the blade insertion grooves 115, 215, 315 and 415 are automatically introduced into and fixed by the magnetic force of the 330 and 430.

In addition, in the case of the elastic blade protruding safety cutter (100, 200, 300, 400) according to the present invention described above, the blade (120, 220, 320, 420) by cutting the cutter blade for stationery in each of the partial pieces At the same time, as the “Ｖ” shaped locking step 115a, 215a, 315a, 415a is formed at the top of the blade insertion grooves 115, 215, 315, and 415, the user may use the right handed or the left handed in the direction of use. Accordingly, the blades 120, 220, 320, and 420 may be inserted in different directions.

In addition, in the case of the elastic blade protrusion safety cutter (100, 200, 300, 400) according to the present invention described above, the elastic support portion (113, 213, 313, 413) is formed at the lower end and the blade is inserted in one side lower Second body parts 110b, 210b, 310b, 410b and third body parts 110c, which are coupled to the first body parts 110a, 210a, 310a, and 410a in which the grooves 115, 215, 315, and 415 are formed. As the lower ends of the 210c, 310c, and 410c form a support surface forming a pressing limit on the main body 110, 210, 310, and 410, the degree of pressurization of the main body 110, 210, 310, and 410 when the user uses them is determined. It has an excellent effect that can be easily set.

3: cutting object
100, 200, 300, 400: Elastic Blade Protruding Safety Cutter
110, 210, 310, 410: main body
111, 211, 311, 411, 411 ': slit
113, 213, 313, 413: elastic support
115, 215, 315, 415: blade insertion groove
117, 217, 217, 417: magnet insertion groove
120, 220, 320, 420: blade
130, 230, 330, 430: magnet

Claims (11)

A main body having an elastic support portion formed by forming a slit open at one end thereof at a lower end thereof, and a blade insertion groove formed at an upper side thereof at a lower side thereof;
Insertion is fixed into the blade insertion groove of the main body and the lower end is located on one surface of the elastic support portion by the flow of the main body toward the elastic support only when pressing the downward direction in the state positioned on the cutting object Elastic blade protruding safety cutter comprising a blade protruding to the cutting object. The method according to claim 1,
And a magnet provided in the main body to fix the blade, wherein the blade is interchangeably coupled to the blade insertion groove by the magnet. The method according to claim 1,
The slit is an elastic blade protruding safety cutter, characterized in that formed only one so that the main body flows in one step with respect to the elastic support when the main body is placed on the cutting object in the downward direction. The method according to claim 1,
The slit is an elastic blade protrusion type characterized in that the main body is formed in a combination of two so that the main body flows in two steps with respect to the elastic support portion when the main body is pressed on the cutting object in a downward direction Safety cutter. The method according to claim 1,
The slit is an elastic blade protruding safety cutter, characterized in that each one is formed symmetrically on both sides of the main body. The method according to claim 5,
When the main body is pressed on the cutting object in a downward direction, an additional slit having both ends closed in the elastic support is formed so that the elastic deformation of the elastic support itself occurs before the flow of the main body. Elastic blade protruding safety cutter. The method according to any one of claims 1 to 6,
The main body, a first main body portion is formed at the lower end and the blade insertion groove is formed at one side lower portion, and the second main body is coupled to one side of the first main body portion so as to expose the elastic support portion Elastic blade protrusion safety cutter, characterized in that it comprises a portion. The method of claim 7,
The main body further includes a third blade portion safety cutter, characterized in that the third body portion is coupled to the other side of the first body portion so as to expose the elastic support portion. The method according to any one of claims 1 to 6,
An elastic blade protrusion safety cutter, characterized in that the guide groove for guiding the protrusion of the blade is formed on one surface of the elastic support. The method according to any one of claims 1 to 6,
The blade is an elastic blade protruding safety cutter, characterized in that formed by cutting the cutter blade for the cutter for each partial piece. The method of claim 10,
Elastic blade protruding safety cutter, characterized in that the "Ｖ" shaped locking step is formed on the upper end of the blade insertion groove so that the user can insert by changing the direction of the blade according to the right-handed or left-handed.

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