KR20210001514U - Symmetrical Chopping Board - Google Patents

Abstract

A cutting board having a double-sided symmetric structure is disclosed. The cutting board having a double-sided symmetric structure of the present invention is a cutting board having an upper and lower symmetric structure, the cutting board body having an overflow prevention groove provided along the circumferential direction at a position spaced apart from the edge on the upper and lower surfaces; And it is provided to protrude outwardly on one side of the chopping board body and characterized in that it comprises a sauce receiving portion provided with a sauce receiving groove to accommodate the sauce on the upper and lower surfaces, respectively. According to the present invention, by providing a sauce accommodating part capable of accommodating a separate sauce (jam, mayonnaise, soy sauce, vinegar, red pepper paste, etc.) in the cutting board body, the user provides, for example, bread and sauce on the top in addition to the general cutting board use It can also be used as a tray so that it can be moved to a separate place and eaten.

Description

Double-sided symmetrical chopping board {Symmetrical Chopping Board}

The present invention relates to a cutting board having a double-sided symmetrical structure in which a portion capable of accommodating a sauce is separately provided.

In general, a cutting board is a kitchen appliance that is closely related to eating habits, and is a plate material used when cutting or trimming foods using a knife.

These cutting boards usually exist in various shapes such as squares, circles, and ellipses, and among them, the square shape is the most preferred, and is mainly made of wood or synthetic resin material.

A cutting board made of wood has the effect of slowing down the abrasion of the blade due to the buffering function of the wood, while water from food or water is absorbed during washing and the cutting board contains moisture for a long time. In addition, conventional synthetic resin cutting boards are prevented from accumulating moisture and relatively prevent bacterial growth and colonization to some extent, but there is a problem of reluctance to use due to severe abrasion of the blade and another environmental risk absorbed from the synthetic resin material. have.

However, the conventional cutting board made of wood or synthetic resin as described above is mostly used only for slicing or trimming food ingredients on top of it.

For example, in order for a user to put bread on the top and cut or slice the bread and dip it in the sauce to eat, it is a situation in which the sliced bread and the sauce are put on a separate tray and used.

Accordingly, the present applicant provides a cutting board capable of accommodating the sauce and provides a cutting board that can serve as a tray in addition to the general use of the cutting board so that the user can eat the food with the sauce without transferring the food to a separate bowl. it is suggested

Korean Patent Publication No. 10-2013-0138454 (published on December 19, 2013)

The present invention has been devised to solve the problems of the prior art, and a portion that can accommodate a sauce (jam, mayonnaise, soy sauce, vinegar, red pepper paste, etc.) is provided so that the user can use, for example, bread and sauce in addition to the general cutting board use. An object of the present invention is to provide a cutting board of a double-sided symmetrical structure that can be used as a tray so that it can be moved to a desired place while placed on the top.

According to one aspect of the present invention, there is provided a cutting board having a symmetrical structure on top and bottom, the cutting board body having an overflow prevention groove provided along the circumferential direction at a position spaced apart from the edge on the top and bottom; And it is provided to protrude outwardly on one side of the chopping board body and is provided with a double-sided symmetrical chopping board including a source receiving groove provided on the upper and lower surfaces to receive the sauce, respectively.

The sauce receiving portion may be detachably coupled to the cutting board body.

Separation and coupling means are provided in the cutting board body and the sauce receiving portion for mutual separation and coupling, and the separation coupling means includes: a first insertion groove or a first insertion protrusion provided on a side surface of the cutting board body; and a second insertion protrusion or a second insertion groove provided on a side surface of the source accommodating part so as to correspond to the first insertion groove or the first insertion projection, and a rubber on the inner surface of the first insertion groove or the second insertion groove. A member may be attached, or a rubber member may be attached to upper and lower surfaces of the first insertion protrusion or the second insertion protrusion.

The cutting board body and the sauce receiving portion are provided with a rotation separation and coupling means for separation and coupling through mutual rotation, the rotation separation coupling means includes: a rotation insertion groove provided on a side surface of the cutting board body; and a rotational insertion protrusion provided on a side surface of the source receiving portion so as to be inserted and caught in the rotational insertion groove and fixed when the source receiving portion is rotationally coupled to the cutting board body, which is inserted relatively first into the rotational insertion groove One end of the rotation insertion protrusion is provided with a first locking end having a first inclined surface formed on the outer surface, and a second locking end having a second inclined surface formed on the outer surface is provided at the other end thereof, and in the rotation insertion groove, with respect to the cutting board body In a state in which the rotational coupling of the source accommodating part is completed, first and second locking projections are provided so that the first and second locking ends are engaged, respectively, and the first and second locking ends are caught on the first and second locking projections, respectively. The first and second rotation limiting inclined surfaces may be provided so as to contact the first and second inclined surfaces to limit the rotation of the source accommodating part in the rotational coupling direction in a state of being in contact with the predetermined or more.

The cutting board body and the sauce receiving portion are provided with a rotation separation and coupling means for separation and coupling through mutual rotation, the rotation separation coupling means includes: a rotation insertion groove provided on a side surface of the cutting board body; and a rotational insertion protrusion provided on a side surface of the source accommodating part so as to be inserted and caught in the rotational insertion groove and fixed when the source accommodating part is rotatably coupled to the chopping board body, wherein the rotational insertion protrusion protrudes on its upper and lower surfaces a pair of guide protrusions, and at least one ball plunger provided on a side facing the rotational insertion groove, wherein the rotational insertion groove includes a pair of guide grooves and the pair of guide projections so that the pair of guide projections are inserted correspondingly At least one ball insertion groove may be provided to insert the ball of the ball plunger.

The source accommodating groove region may be partitioned into a plurality of regions, and a source region partitioning part detachably provided in the source accommodating part may further include a variably adjustable area of the partitioned region.

The source region dividing unit may include: a shaft detachably coupled to a bottom surface of the source receiving groove; a plurality of partition bars partitioning the source accommodating groove into a plurality of regions but rotatably coupled to the shaft to variably adjust the partition region; and a contact member provided under the partition bar to be in close contact with the bottom surface of the source receiving groove.

Magnets may be provided at the lower end of the shaft and inside the central portion of the source accommodating part, respectively.

According to the present invention, by providing a sauce accommodating part capable of accommodating a separate sauce (jam, mayonnaise, soy sauce, vinegar, red pepper paste, etc.) in the cutting board body, the user provides, for example, bread and sauce on the top in addition to the general cutting board use It can also be used as a tray so that it can be moved to a separate place and eaten.

In addition, by adopting a structure in which the source receiving portion is detachably coupled from the cutting board body through a separation and coupling means, the user can use it more conveniently and freely in using the tray as described above.

In addition, the cutting board body and the sauce receiving portion can be rotated and separated and coupled through the rotational separation and coupling means, and the source receiving portion can be coupled in place with respect to the cutting board body through the rotational separation and coupling means, and with this, it is possible to prevent easy separation. can

In addition, by additionally providing a source region dividing unit in the source receiving unit, it is possible to prevent mixing of various types of sources even if they are accommodated in the source receiving groove, and to freely adjust the area of a plurality of divided regions of the source receiving groove. If necessary, the source region partitioning unit may be used separately from the source accommodating unit.

1 is a perspective view showing a cutting board having a double-sided symmetrical structure according to a first embodiment of the present invention;
Figure 2 is a front view of Figure 1;
3 is a cross-sectional view taken along line III-III of FIG. 2;
4 is a cross-sectional view taken along line IV-IV of FIG. 2;
5 is a view showing a state in which the cutting board body and the sauce receiving part are separated from the cutting board having a double-sided symmetrical structure according to a second embodiment of the present invention;
Figure 6 is a cross-sectional view of Figure 5;
7 is a view showing a state in which the cutting board body and the sauce receiving part are separated from the cutting board having a double-sided symmetrical structure according to a third embodiment of the present invention;
8 is a cross-sectional view showing a coupling relationship by a rotation separation coupling means in a chopping board having a double-sided symmetrical structure according to a third embodiment of the present invention;
9 is a view showing a state in which the cutting board body and the sauce receiving part are separated from the cutting board having a double-sided symmetrical structure according to a fourth embodiment of the present invention;
10 is a cross-sectional view showing a coupling relationship by a rotation separation coupling means in a chopping board having a double-sided symmetrical structure according to a fourth embodiment of the present invention;
11 is a view showing a cutting board having a double-sided symmetrical structure according to a fifth embodiment of the present invention;
12 is a cross-sectional view taken along line XII-XII of FIG. 11;
13 is a diagram illustrating area control according to rotation of a partition bar in a chopping board having a double-sided symmetrical structure according to a fifth embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in more detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in a variety of different forms, and only the present embodiments allow the disclosure of the present invention to be complete, and the scope of the design to those of ordinary skill in the art completely It is provided to inform you. In the drawings, like reference numerals refer to like elements.

The cutting board having a double-sided symmetrical structure according to a preferred embodiment of the present invention has a symmetrical structure on both sides, and since there is no distinction between the upper and lower sides, the user can use it more easily, and in particular, it can accommodate sauces (jam, mayonnaise, soy sauce, vinegar, red pepper paste, etc.) It can be used as a tray so that the user can move to a separate place to eat, for example, bread and sauce are provided on the upper part at the same time in addition to the general use of the cutting board.

Hereinafter, the present invention will be described with reference to various embodiments.

1 to 4, the cutting board having a double-sided symmetric structure according to the first embodiment of the present invention is a cutting board having an upper and lower symmetric structure, and an overflow prevention groove along the circumferential direction at a position spaced apart from the edge on the upper and lower surfaces. The cutting board body 100 in which 101 is provided, and the sauce receiving part 110 which are provided to protrude outwardly on one side of the cutting board body 100 and are provided with sauce receiving grooves 111 to accommodate the sauce on the upper and lower surfaces, respectively. includes The cutting board body 100 and the sauce receiving unit 110 may be made of a plastic material.

Here, the overflow prevention groove 101 prevents moisture generated when the user cuts or cuts food on the cutting board body to the surrounding work area for more than a certain period to maintain a clean work area. The same is provided on both upper and lower surfaces, and the source accommodating groove 111 is also provided equally on both upper and lower surfaces of the source accommodating part 110 .

The sauce receiving groove 111 may be formed, for example, in an arc-shaped cross-sectional shape so that the central portion is concavely recessed, and the user receives various sauces such as jam, mayonnaise, soy sauce, vinegar, and red pepper paste and uses the tray as described above. can be used as

In the first embodiment of the present invention, the chopping board body 100 and the sauce receiving unit 110 are made in a simple form integrally connected, and through an integral connection structure, the user can use it more easily, and there is an advantage in storage. .

Hereinafter, a cutting board having a double-sided symmetric structure according to a second embodiment of the present invention will be described, and reference numerals starting with number 200 are used for the same configuration as in the first embodiment, and duplicate descriptions will be omitted.

5 and 6, in the second embodiment of the present invention, the source receiving unit 210 is detachably coupled to the cutting board body (200).

Separation and coupling means 220 are provided in the chopping board body 200 and the source receiving unit 210 for such mutual separation/combination.

Separation coupling means 220 is a first insertion groove 221 provided on the side surface of the chopping board body 200, and the second insertion groove 221 provided on the side surface of the source receiving part 210 so as to correspond to the first insertion groove 221 It includes an insertion protrusion 222, the source receiving portion 210 can be coupled or separated by approaching or spaced apart from the cutting board body 200 in an approximately linear direction.

On the other hand, the coupling force between the first insertion groove 221 and the second insertion protrusion 222 may be weakened when the coupling/separation operation is repeated by repeating the sauce accommodating part 210 from the chopping board body a number of times for a long period of time. In the first insertion groove 221 by attaching a rubber member to the inner surface of the groove 221 or by attaching the rubber member 223 to the upper and lower surfaces of the second insertion protrusion 222, the sauce receiving part 210 is forcibly press-fitted into the cutting board body 200. The weakening of the binding force can be compensated for by allowing the binding to occur. In the related drawings, as an example, a state in which the rubber member 223 is attached to the upper and lower surfaces of the second insertion protrusion 222 is shown.

However, the present invention is not limited thereto, and a first insertion protrusion (not shown) is provided on the side surface of the chopping board body 200 and a second insertion groove (not shown) is provided in the source receiving part 210 as opposed to the above-described structure, A rubber member may be attached to an inner surface of the second insertion groove (not shown), or a rubber member may be attached to upper and lower surfaces of the first insertion protrusion (not shown).

As such, through the separation structure of the cutting board body 200 and the sauce accommodating part 210, the user can freely change the arrangement position of the sauce accommodating part containing the sauce, the convenience of use can be further improved.

Hereinafter, a cutting board having a double-sided symmetrical structure according to a third embodiment of the present invention will be described, and reference numerals starting with number 300 are used for the same configuration as in the first embodiment, and redundant descriptions will be omitted.

As shown in Figure 7, in the third embodiment of the present invention, the source receiving portion 310 is detachably coupled to the chopping board body 300 like the second embodiment, but the second embodiment in the coupling / separation method It is possible to differentiate from the example.

If the second embodiment of the present invention employs a structure in which the source accommodating part is coupled or separated by approaching or spaced apart from the cutting board body in an approximately linear direction, the third embodiment is coupled or separated by rotating the source accommodating part with respect to the cutting board body There is a difference in adopting a structure that is

Specifically, as shown in Figures 7 and 8, the cutting board body 300 and the source receiving portion 310 is provided with a rotation separation coupling means 330 for separation and coupling through mutual rotation.

The rotation separation coupling means 330 is a rotation insertion groove 331 provided on the side of the cutting board body 300, and a rotation insertion groove 331 when the source receiving part 310 is rotationally coupled with respect to the cutting board body 300. It includes a rotation insertion protrusion 337 provided on the side of the source accommodating portion so as to be inserted and caught in the fixed. Here, the rotation insertion groove 331 and the rotation insertion protrusion 337 are formed in a substantially circular arc shape along the longitudinal direction for mutual rotation coupling and separation.

Therefore, the user positions one end of the rotation insertion protrusion 337 in the vicinity of the side opening 332 on one side of the rotation insertion groove 331 and then rotates the rotation insertion projection 337 while inserting it into the rotation insertion groove 331. The source accommodating part 310 may be rotationally coupled to the cutting board body 300 , and the source accommodating part 310 may be separated by adding a further rotational force in the rotational coupling direction in a state in which the rotational coupling is completed.

Hereinafter, with reference to FIG. 8, it will be described that the rotation insertion protrusion 337 is inserted and caught in the rotation insertion groove 331. In the related drawings, the rotation insertion projection and the rotation insertion groove are shown in a straight line form for convenience of illustration, but It should be noted that in reality, it is made in an arc shape as described above.

As shown in FIG. 8 , at one end of the rotation insertion protrusion 337 which is relatively first inserted into the rotation insertion groove 331 , a first engaging end 339 having a first inclined surface 338 formed on the outer surface is provided, and At the other end, a second engaging end 342 having a second inclined surface 341 formed on the outer surface is provided. In addition, the rotation insertion groove 331 is provided with a first locking projection 333 , a second locking projection 334 , a first rotation limiting inclined surface 335 , and a second rotation limiting inclined surface 336 .

In a state in which the source receiving part 310 is rotationally coupled with respect to the chopping board body 300, the first and second stopping ends 339 and 342 are caught by the first and second stopping protrusions 333 and 334, respectively, and are opposite to the rotational coupling direction. Inverse rotation may be restricted. That is, the present invention has a structure in which the source accommodating part 310 can be coupled and separated in a forward rotation direction with respect to the cutting board body 300 , and the reverse rotation separation is impossible.

In addition, in a state in which the first and second locking ends 339 and 342 are caught by the first and second locking projections 333 and 334, respectively, to limit the rotation in the rotational coupling direction (the forward direction) of the source receiving part 310 to a certain degree or more. The first and second rotation limiting inclined surfaces 335 and 336 are provided so as to contact the first and second inclined surfaces 338 and 341 .

Since the first and second rotation limiting inclined surfaces 335 and 336 have a state of surface contact with the first and second inclined surfaces 338 and 341 over a certain period, the source receiving part 310 is no longer rotated in the forward direction in this state. By limiting a certain part, it is possible to keep the sauce receiving unit stably coupled to the cutting board body 300 in the end. However, the user further adds a rotational force of more than a certain amount to the source receiving unit 310 to accommodate the source in the current coupled state. When the portion is further rotated in the forward direction, the first and second rotation limiting inclined surfaces 335 and 336 and the first and second inclined surfaces 338 and 341 are released while the source receiving portion may be separated from the cutting board body.

The present invention enables the cutting board body 300 and the source receiving unit 310 to be rotated, separated and coupled through the rotation separation and coupling means 330, and the source receiving unit is fixed to the cutting board body through the rotation separation coupling means 330. It can be combined in position, and it can be prevented from being easily detached.

Hereinafter, a cutting board having a double-sided symmetrical structure according to a fourth embodiment of the present invention will be described, and reference numerals starting with 400 are used for the same configuration as in the first embodiment, and duplicate descriptions will be omitted.

As shown in Figure 9, in the fourth embodiment of the present invention, the source receiving portion 410 is detachably coupled to the chopping board body 400 like the second embodiment, but the second embodiment in the coupling / separation method It is possible to differentiate from the example.

If the second embodiment of the present invention adopts a structure in which the source receiving part is coupled or separated by being approached or spaced apart from the cutting board body in an approximately linear direction, the fourth embodiment is similar to the third embodiment for the source for the cutting board body. There is a difference in adopting a structure that is coupled or separated by rotating the receiving part.

Specifically, as shown in Figures 9 and 10, the cutting board body 400 and the source receiving portion 410 is provided with a rotation separation coupling means 430 for separation and coupling through mutual rotation.

The rotation separation and coupling means 430 is inserted into the rotation insertion groove 431 provided on the side of the cutting board body 400 and the rotation insertion groove 431 when the source receiving part 410 is rotationally coupled to the cutting board body and It includes a rotation insertion protrusion 437 provided on the side of the source accommodating portion to be locked and fixed.

The rotation insertion protrusion 437 protrudes from the side surface of the source receiving part, and at least one ball plunger 453 is provided on the side facing the pair of guide projections 452 protruding from the upper and lower surfaces thereof and the rotation insertion groove 431 . ) is included.

The ball plunger 453 includes an elastic means 454 such as a spring and a ball 455 elastically supported by the elastic means, and although not shown in the related drawings, on the side of the rotation insertion protrusion 437 a ball (ball) A locking sill (not shown) may be provided to prevent external departure of the . In the present invention, the source accommodating part 410 is composed of upper/lower source accommodating part plates (not shown), and grooves are formed to accommodate balls and springs (elastic means) in each of the upper/lower source accommodating part plates. After arranging the balls and springs inside, the upper/lower source accommodating part plates can be bonded using adhesives, fusions, or the like.

In addition, as shown in FIG. 10 , a pair of guide grooves 450 and a ball 455 of the ball plunger 453 are inserted into the rotation insertion groove 431 so that a pair of guide projections 452 are inserted correspondingly. At least one ball insertion groove 451 is provided so as to be possible.

In the fourth embodiment of the present invention, the user has placed the source receiving portion 410 on the side of the chopping board body 400, primarily, a pair of guide protrusions 452 are a pair of guide grooves 450 The mutual coupling can be induced by rotating the source accommodating part 410 and then rotating the source accommodating part 410, and while the ball of the ball plunger is inserted into the ball insertion groove 451 during the rotational coupling, the left and right shaking of the source accommodating part 410 or Movement may be restricted.

The present invention enables the cutting board body 400 and the source receiving unit 410 to be rotated, separated and coupled through the rotational separation and coupling means 430, and the source receiving portion is coupled in place with respect to the cutting board body through the rotational separation and coupling means. and can be prevented from being easily detached.

Hereinafter, a cutting board having a double-sided symmetrical structure according to a fifth embodiment of the present invention will be described, and reference numerals starting with number 500 are used for the same configuration as in the first embodiment, and redundant descriptions are omitted.

11 to 13, the cutting board having a symmetrical structure according to the fifth embodiment of the present invention divides the source receiving groove 511 region into a plurality of regions, but the area of the divided region can be variably adjusted It further includes a source region divider 560 provided in the source accommodating unit 510 to do so.

Through such a source region dividing unit 560, the user has the advantage of accommodating various sources in the sauce receiving groove 511 and eating according to his or her taste. In particular, in the embodiment of the present invention, the source region divider 560 is provided detachably from the source accommodating part 510, so that it is coupled to the source accommodating part according to the user's intention to use it to partition the source accommodating groove or accommodate the source. can be separated from wealth.

Specifically, as shown in FIG. 12 , the source region partition unit 560 includes a shaft 561 , a partition bar 562 , and a contact member 563 .

The shaft 561 is detachably coupled to the bottom surface of the source accommodating groove 511 , and is formed to extend in an upward direction substantially perpendicular to the bottom surface of the source accommodating groove 511 when coupled.

In order to enable the detachable coupling of the shaft 561, a magnet 564 is provided at the lower end of the shaft 561 and inside the central part of the source receiving part 510, respectively, so that the shaft 561 can be detached by magnetic coupling. do.

The partition bar 562 divides the source receiving groove 511 into a plurality of regions, but is rotatably coupled to the shaft 561 to variably adjust the partition region. Accordingly, the user can easily adjust the areas of the plurality of compartments to increase or decrease the capacity of each source according to his or her preference.

The contact member 563 is provided at the lower portion of each partition bar 562 so as to be in close contact with the bottom surface of the source receiving groove 511 . The lower end of the contact member 563 is made to correspond to the curvature of the bottom surface of the source receiving groove in cross section so that a gap does not occur between the bottom surface and the bottom surface. Accordingly, it is possible to prevent the sources individually accommodated in the area partitioned by the partition bar 562 from being mixed with each other.

Although the present invention has been described with reference to the accompanying drawings and the above-described preferred embodiments, the present invention is not limited thereto. Those of ordinary skill in the art can variously change and modify the present invention within the scope without departing from the spirit of the claims to be described later.

100,200,300,400,500: chopping board body 110,210,310,410,510: source receiving unit
220: separation coupling means 221: first insertion groove
222: second insertion protrusion 223: rubber member
330: rotation separation coupling means 331: rotation insertion groove
333: first engaging jaw 334: second engaging jaw
335: first rotation limiting inclined surface 336: second rotation limiting inclined surface
337: rotation insertion projection 338: first inclined surface
339: first engaging stage 341: second inclined surface
342: second locking end 430: rotation separation coupling means
431: rotation insertion groove 450: guide groove
451: ball insertion groove 437: rotation insertion projection
452: guide projection 453: ball plunger
560: source region partition 561: shaft
562: partition bar 563: adhesion member
564: magnet

Claims (8)

A cutting board having an upper and lower symmetric structure,
The cutting board body (100,200,300,400,500) in which the overflow prevention groove (101,201,301,401,501) is provided along the circumferential direction at a position spaced apart from the edge in the upper and lower surfaces; and
A cutting board of a double-sided symmetrical structure including a source receiving portion (110,210,310,410,510) which is provided to protrude outwardly on one side of the chopping board body and provided with source receiving grooves (111,211,311,411,511) on the upper and lower surfaces to receive the sauce, respectively. According to claim 1,
The cutting board of the double-sided symmetrical structure, characterized in that the sauce receiving portion (210, 310, 410) is detachably coupled to the cutting board body (200, 300, 400). 3. The method of claim 2,
Separation and coupling means 220 are provided in the chopping board body 200 and the source receiving part 210 for mutual separation and coupling,
The separation and coupling means 220 is,
a first insertion groove 221 or a first insertion protrusion provided on a side surface of the cutting board body; and
and a second insertion protrusion 222 or a second insertion groove provided on the side surface of the source receiving part 210 to correspond to the first insertion groove 221 or the first insertion projection,
A rubber member is attached to the inner surface of the first insertion groove 221 or the second insertion groove, or the rubber member 223 is attached to the upper and lower surfaces of the first insertion protrusion or the second insertion protrusion 222 A double-sided symmetrical cutting board. 3. The method of claim 2,
The cutting board body 300 and the source receiving part 310 are provided with a rotation separation coupling means 330 for separation and coupling through mutual rotation,
The rotation separation and coupling means 330 is,
a rotation insertion groove 331 provided on a side surface of the chopping board body 300; and
When the source accommodating part is rotatably coupled to the cutting board body, it includes a rotational insertion protrusion 337 provided on the side of the source accommodating part 310 so as to be inserted and caught in the rotational insertion groove 331 and fixed,
One end of the rotation insertion protrusion 337 inserted relatively first into the rotation insertion groove 331 is provided with a first engaging end 339 having a first inclined surface 338 formed on the outer surface, and a second inclined surface on the outer surface at the other end. A second engaging end 342 on which 341 is formed is provided,
In the rotation insertion groove 331, the first and second locking projections 333 and 334 are respectively engaged with the first and second locking ends 339 and 342 in a state in which the source receiving part is rotatably coupled to the cutting board body 300. ) is provided and the first and second locking ends 339 and 342 are respectively caught by the first and second locking jaws 333 and 334 to limit the rotation of the source receiving part 310 in the rotational coupling direction by a certain level or more. The cutting board having a double-sided symmetry structure, characterized in that the first and second rotation limiting inclined surfaces (335, 336) are provided so as to contact the first and second inclined surfaces (338, 341). 3. The method of claim 2,
The cutting board body 400 and the source receiving part 410 are provided with a rotation separation and coupling means 430 for separation and coupling through mutual rotation,
The rotation separation and coupling means 430 is,
a rotation insertion groove 431 provided on a side surface of the chopping board body; and
When the source accommodating part 410 is rotationally coupled with respect to the cutting board body 400, it includes a rotational insertion protrusion 437 provided on the side of the source accommodating part so as to be inserted and caught in the rotational insertion groove 431 and fixed. but,
The rotary insertion protrusion 437 includes a pair of guide protrusions 452 protruding from upper and lower surfaces thereof, and at least one ball plunger 453 provided on a side facing the rotary insertion groove 431,
A pair of guide grooves 450 and at least one ball insertion groove 451 for inserting the balls of the ball plunger 453 into the rotation insertion groove 431 so that the pair of guide projections 452 are inserted correspondingly ) A cutting board of a double-sided symmetrical structure, characterized in that it is provided. According to claim 1,
The source accommodating groove 511 divides the region into a plurality of regions, and further includes a source region divider 560 that is detachably provided in the source accommodating part 510 so that the area of the divided region can be variably adjusted. A cutting board having a double-sided symmetrical structure, characterized in that it does. 7. The method of claim 6,
The source region dividing unit 560,
a shaft 561 detachably coupled to the bottom surface of the source receiving groove 511;
a plurality of partition bars 562 partitioning the source accommodating groove 511 into a plurality of regions and rotatably coupled to the shaft 561 to variably adjust the partition region; and
A cutting board having a double-sided symmetrical structure, characterized in that it is provided under the partition bar (562) and includes a contact member (563) capable of being in close contact with the bottom surface of the sauce receiving groove. 8. The method of claim 7,
A cutting board having a double-sided symmetrical structure, characterized in that magnets 564 are provided at the lower end of the shaft 561 and inside the center of the source receiving part 510, respectively.

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