A cutting board

Abstract

The present application discloses a chopping board, comprising a board body and a plurality of legs mounted on the board body, wherein when the legs are mounted on the board body, both ends of the legs protrude from two working surfaces of the board body perpendicular to the thickness direction, respectively, the legs are provided with tenons, the board body is provided with tenons matched with the tenons, the tenons are provided at the edge of the board body, so that the tenons can be embedded in the board body through the tenons, and along the thickness direction, the tenons are stopped by the tenons. In the chopping board provided by the present application, after the legs are mounted on the board body, the tenons are effectively resisted by the stopping action of the tenons on the tenons, thereby effectively resisting the gravity of the board body and the downward hammering force applied by the user when processing food and other objects on the working surface, thereby effectively reducing the risk of the legs falling off from the board body under the long-term action of the above-mentioned multiple forces, thereby improving the service life of the legs and even the chopping board.

Description

Technical Field

[0001] The present application relates to the technical field of kitchen utensils, and in particular to a cutting board. Background Art

[0002] A chopping board refers to the object used as a pad underneath when hammering, cutting, chopping, or smashing things. It is generally used in cooking. A chopping board is also called a vegetable board, cutting board, etc. It has become an indispensable item in modern kitchens.

[0003] At present, most common cutting boards used in daily life are made of wood or plastic, which are prone to wear and tear and have a short service life, especially the legs of the cutting board. As the main load-bearing parts of the cutting board, the legs are mainly subjected to the gravity of the board body and the hammering force applied by the user when processing food and other objects on the working board surface. Therefore, under the action of the above-mentioned multiple forces, the legs are easy to fall off from the board body after a long period of use. Moreover, the legs of the existing cutting boards are mostly made of silicone or metal. The silicone legs are easy to stick to dust, and the metal legs are difficult to process and costly. Therefore, it is urgent to produce a cutting board that can achieve the effect of not easy to fall off the legs, long service life and convenient processing. Utility Model Content

[0004] The present application provides a cutting board to solve at least one of the technical problems of the cutting board's legs being easy to fall off, the silicone legs being easy to stick to dust, and the metal legs being difficult and costly to process.

[0005] The technical solution adopted in this application is:

[0006] A chopping board comprises a board body and a plurality of legs mounted on the board body, wherein when the legs are mounted on the board body, two ends of the legs respectively protrude from two working surfaces of the board body which are perpendicular to the thickness direction, the legs are provided with tenons, the board body is provided with tenon grooves adapted to the tenons, the tenon grooves are arranged at the edge of the board body so that the tenons can be embedded in the board body through the tenon grooves, and the tenon grooves stop the tenons along the thickness direction.

[0007] The chopping board in this application also has the following additional technical features:

[0008] The plate body is constructed as a rectangular structure as a whole, and the tenon is installed in the tenon groove along a direction forming an angle with the straight side of the plate body.

[0009] The mortise and tenon grooves are arranged at diagonal positions of the plate body and open along the diagonal direction of the plate body, so that the tenons are installed in the mortise and tenon grooves along the diagonal direction of the plate body.

[0010] The tenon is provided with a convex rib protruding outward, and the convex rib extends along the tenon toward the installation direction when the tenon is installed into the tenon groove. After the tenon is installed in place in the tenon groove, the convex rib abuts against the inner wall of the tenon groove.

[0011] The end of the convex rib is provided with an inclined guide surface, and the guide surface is used to guide the tenon to enter the tenon groove.

[0012] The mortise and tenon include an upper opening and a lower opening respectively passing through the two working surfaces of the plate body, and an intermediate channel connected between the upper opening and the lower opening. The size of the intermediate channel is enlarged relative to the upper opening and the lower opening to form an expansion limit portion for limiting the tenon; the support foot also includes an upper protrusion and a lower protrusion formed at the upper and lower ends of the tenon. After the tenon is installed in the mortise and tenon, the upper protrusion and the lower protrusion protrude from the two working surfaces of the plate body through the upper opening and the lower opening respectively.

[0013] The supporting legs and the plate body are configured to be structures made of the same material.

[0014] The cutting board further comprises a handle and a connecting piece. The handle is integrally constructed as a U-shaped structure. Both ends of the handle are respectively fixed to the board body through one of the connecting pieces.

[0015] The connecting member is constructed as a pin whose cross-sectional area gradually decreases from the first end to the second end. The plate body is provided with a tapered mounting hole. The handle is fixed to the first end, and the second end is mounted in the mounting hole.

[0016] The handle is provided with through holes penetrating through both ends, and the connecting piece penetrates the through holes and the mounting holes at the same time.

[0017] Due to the adoption of the above technical solution, the technical effects achieved by this application are:

[0018] 1. In the chopping board provided by the present application, the mortise and tenon are arranged at the edge of the board body, so that the tenon can be embedded in the board body through the mortise and tenon, and the mortise and tenon stop the tenon along the thickness direction of the board body. Under the stopping effect of the mortise and tenon on the tenon, the weight of the board body and the hammering force applied by the user when processing food and other objects on the work surface of the board are effectively resisted, and the risk of the support foot falling off the board body under the long-term effect of the above-mentioned multiple forces is effectively reduced, and the service life of the support foot and even the chopping board is improved. In order to achieve the stopping of the tenon by the mortise and tenon in the thickness direction of the board body, by setting the mortise and tenon at the edge of the board body, it is not only convenient to install the support foot on the board body, but also the installation direction of the support foot and the thickness direction of the board body have an angle. Therefore, the installation direction of the support foot is different from the force direction of the support foot during the general use of the chopping board, so that the support foot is not easy to fall off from the board body.

[0019] 2. As a preferred embodiment of the present application, the overall structure of the board body is a rectangular structure, and the extension direction of the straight side of the board body is the length direction and the width direction of the board body, and the extension direction of the straight side of the board body is the main force direction except the thickness direction. Therefore, by installing the tenon in the tenon groove along the direction at an angle to the straight side of the board body, the installation direction of the support leg deviates as much as possible from the force direction of the chopping board during normal use, thereby reducing the risk of the support leg falling off the board body.

[0020] 3. As a preferred embodiment of the present application, the tenon is provided with a convex rib protruding outward. After the tenon is installed in the tenon groove, the convex rib is against the inner wall of the tenon groove, which helps to achieve an interference fit between the tenon and the tenon groove, improves the tightness of the installation of the support leg on the plate body, and reduces the risk of falling off; moreover, the convex rib extends along the tenon toward the installation direction when the tenon is installed into the tenon groove, that is, the extension direction of the convex rib is consistent with the installation direction of the support leg, which can form a guide for the installation of the support leg and improve the smoothness of assembly; in addition, the provision of the convex rib reduces the contact area between the tenon and the tenon groove, thereby helping to reduce the friction during the installation of the support leg, and the installation process is more labor-saving.

[0021] 4. As a preferred embodiment of the present application, the size of the middle channel of the mortise and tenon is enlarged relative to the upper and lower openings to form an expansion limit portion for limiting the tenon, so that the surface of the middle channel can form a stop fit with part of the outer surface of the tenon along the thickness direction of the plate body, and the portion of the tenon located in the middle channel is thickened, which has higher structural strength, stronger pressure-bearing capacity, and is less likely to break.

[0022] 5. As a preferred mode of the present application, the support legs and the board body are set to the same material structure. In the preferred embodiment, the support legs and the board body can be set to wooden structures, which effectively overcomes the technical problems of easy adhesion of dust in the existing silicone support legs and the difficult processing and high cost of metal support legs. In addition, the wooden support legs and the wooden board body are matched through the tenon and the mortise and tenon groove to achieve glue-free and paint-free assembly, which is more environmentally friendly and hygienic. Moreover, the support legs can be made of the scraps generated during the board body processing, and the processing cost is relatively low. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0024] Figure 1 Assembly of the cutting board provided in the embodiment of the present application Figure 1 ;

[0025] Figure 2 Assembly of the cutting board provided in the embodiment of the present application Figure 2 ;

[0026] Figure 3 A cross-sectional view of a cutting board provided in an embodiment of the present application;

[0027] Figure 4 A schematic diagram of the structure of the plate provided in the embodiment of the present application;

[0028] Figure 5 for Figure 4 A partial enlarged view of the structure at A in the middle;

[0029] Figure 6 The structure of the support foot provided in the embodiment of the present application is shown in FIG. Figure 1 ;

[0030] Figure 7 The structure of the support foot provided in the embodiment of the present application is shown in FIG. Figure 2 ;

[0031] Figure 8 A schematic diagram of the structure of the handle provided in the embodiment of the present application;

[0032] Fig. 9 A cross-sectional view of a handle provided in an embodiment of the present application;

[0033] Fig.10 A schematic diagram of the structure of the connecting member provided in the embodiment of the present application;

[0034] Fig.11 Assembly of the cutting board provided in the embodiment of the present application Figure 3 .

[0035] List of parts and reference numerals:

[0036] 1 plate body, 11 working plate surface, 12 tenon groove, 121 upper opening, 122 lower opening, 123 middle channel, 13 mounting hole;

[0037] 2 supporting feet, 21 tenons, 211 convex ribs, 212 guide surfaces, 22 upper protrusions, 23 lower protrusions;

[0038] 3 handles, 31 through holes;

[0039] 4 connecting piece, 41 first end, 42 second end. DETAILED DESCRIPTION

[0040] In order to more clearly illustrate the overall concept of the present application, a detailed description is given below in an illustrative manner in conjunction with the accompanying drawings.

[0041] In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present application is not limited to the specific embodiments disclosed below.

[0042] In addition, in the description of the present application, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", "lateral", "longitudinal", etc., indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0043] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0044] In the present application, unless otherwise clearly specified and limited, a first feature "above" or "below" a second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0045] In the embodiment of the present application, a cutting board is provided. For the convenience of explanation and understanding, the following contents provided in the present application are all described based on the illustrated product structure. Of course, those skilled in the art can understand that the above structure is only used as a specific example and schematic description, and cannot constitute a specific limitation on the technical solution provided in the present application.

[0046] Reference Figures 1 to 11As shown, a chopping board provided in the present application includes a board body 1 and a plurality of legs 2 installed on the board body 1, wherein when the legs 2 are installed on the board body 1, both ends of the legs respectively protrude from two working surfaces 11 of the board body 1 perpendicular to the thickness direction, and the legs 2 are provided with tenons 21, and the board body 1 is provided with tenon grooves 12 adapted to the tenons 21, and the tenon grooves 12 are provided at the edge of the board body 1, so that the tenons 21 can be embedded in the board body 1 through the tenon grooves 12, and along the thickness direction, the tenon grooves 12 stop the tenons 21. Fig.11 The thickness direction of the plate body 1 is schematically indicated by a double-headed arrow X.

[0047] In the chopping board provided by the present application, when the support leg 2 is installed on the board body 1, both ends protrude from the two working surfaces 11 (the surface of the chopping board for hammering, cutting, chopping, and smashing objects) of the board body 1 perpendicular to the thickness direction, so that the chopping board can be supported by the support leg 2 in either the upright or inverted state. The mortise and tenon 12 is arranged at the edge of the board body 1, so that the tenon 21 can be embedded in the board body 1 through the mortise and tenon 12, and along the thickness direction of the board body 1, the mortise and tenon 21 is stopped by the mortise and tenon 21. Under the stopping effect of the mortise and tenon 12 on the tenon 21, the support leg 2 is effectively resisted from the gravity of the board body 1 and the hammering force applied by the user when processing food and other objects on the working surface 11, effectively reducing the risk of the support leg 2 falling off from the board body 1 under the long-term effect of the above-mentioned multiple forces, and improving the service life of the support leg 2 and even the chopping board. In order to achieve the stopping of the tenon 21 by the mortise 12 in the thickness direction of the board body 1, the mortise 12 is arranged at the edge of the board body 1, which not only facilitates the installation of the support leg 2 on the board body 1, but also makes the installation direction of the support leg 2 have an angle with the thickness direction of the board body 1. Therefore, the installation direction of the support leg 2 is different from the force direction of the support leg 2 during the general use of the chopping board, thereby making it difficult for the support leg 2 to fall off the board body 1.

[0048] The structural shape of the plate body 1 in the present application is not limited, for example, it can be circular, rectangular, etc., and the number of the legs 2 is not limited either, and they can be reasonably arranged according to processing requirements, plate body 1 shape requirements, chopping board purposes, etc.

[0049] As a preferred implementation of the present application, Figures 1 to 4As shown, the board body 1 is constructed as a rectangular structure as a whole, and the tenon 21 is installed in the tenon groove 12 along the direction that forms an angle with the straight side of the board body 1. It can be understood by those skilled in the art that when the board body 1 is constructed as a rectangular structure as a whole, the extension direction of the straight side of the board body 1 is the length direction and width direction of the board body 1. Of course, the board body 1 can be a rectangular structure or a square structure, and the four corners of the board body 1 can be a right-angle structure or a rounded structure. Generally speaking, the user will place the board body 1 on the table for use in a manner that the straight side is parallel to the edge of the table, so the extension direction of the straight side of the board body 1 is the main force direction except the thickness direction. Therefore, by installing the tenon 21 in the tenon groove 12 along the direction that forms an angle with the straight side of the board body 1, the installation direction of the support leg 2 deviates as much as possible from the force direction of the chopping board during general use, thereby reducing the risk of the support leg 2 falling off the board body 1.

[0050] Specifically, the support leg 2 can be installed at the straight edge position of the plate body 1 or other suitable positions. As a preferred embodiment, Figures 1 to 5 As shown, the mortise groove 12 is arranged at a diagonal position of the board body 1 and is open along the diagonal direction of the board body 1, so that the tenon 21 is installed in the mortise groove 12 along the diagonal direction of the board body 1. It can be understood by those skilled in the art that by installing the tenon 21 in the mortise groove 12 along the diagonal direction of the board body 1, the installation direction of the tenon 21 is at an angle of 45° with the length direction and the width direction of the board body 1, thereby ensuring that there is a large deviation angle between the installation direction of the support leg 2 and the force direction of the support leg 2 during the general use of the cutting board, so that the support leg 2 is not easy to fall off the board body 1. In addition, by installing the support leg 2 diagonally, the support leg 2 is arranged symmetrically, thereby making the cutting board neat and beautiful as a whole.

[0051] As a preferred implementation of the present application, Figures 5 to 7As shown, the tenon 21 is provided with a convex rib 211 protruding outward, and the convex rib 211 extends along the tenon 21 toward the installation direction when the tenon 21 is installed in the tenon groove 12, and the tenon 21 is abutted against the inner wall of the tenon groove 12 through the convex rib 211 after the tenon groove 12 is installed in place. Specifically, the present application schematically illustrates that the two opposite sides of the tenon 21 are respectively provided with convex ribs 211. It can be understood by those skilled in the art that by making the tenon 21 abut against the inner wall of the tenon groove 12 through the convex rib 211 after the tenon groove 12 is installed in place, it is helpful to achieve an interference fit between the tenon 21 and the tenon groove 12, improve the tightness of the installation of the support leg 2 on the plate body 1, and reduce the risk of falling off; moreover, the convex rib 211 extends along the tenon 21 toward the installation direction when the tenon 21 is installed in the tenon groove 12, that is, the extension direction of the convex rib 211 is consistent with the installation direction of the support leg 2, It can form a guide for the installation of the support leg 2 and improve the smoothness of assembly. Taking the aforementioned embodiment in which the tenon 21 is installed in the tenon groove 12 along the diagonal direction of the plate body 1 as an example, when the tenon 21 is installed in the diagonal direction of the plate body 1, the ribs 211 on both sides of the tenon 21 also extend along the diagonal direction of the plate body 1, so that the extension direction of the ribs 211 is consistent with the installation direction of the support leg 2; in addition, the provision of the ribs 211 reduces the contact area between the tenon 21 and the tenon groove 12, thereby helping to reduce the friction force applied during the installation of the support leg 2, and the installation process is more labor-saving.

[0052] As a preferred embodiment, Figure 6 and Figure 7 As shown, the end of the rib 211 is provided with an inclined guide surface 212, and the guide surface 212 is used to guide the tenon 21 into the tenon groove 12. It can be understood by those skilled in the art that, in order to achieve an interference fit between the tenon 21 and the tenon groove 12, the outer contour of the tenon 21 should be slightly larger than the inner contour of the tenon groove 12, which makes it difficult to install the tenon 21 toward the tenon groove 12, that is, the tenon 21 may be stopped by the edge of the tenon groove 12 when it is installed toward the tenon groove 12. However, the present application provides an inclined guide surface 212 at the end of the rib 211, and the guide surface 212 is used to guide the tenon 21 into the tenon groove 12, so that under the guidance of the guide surface 212, the end of the tenon 21 provided with the guide surface 212 can first enter the tenon groove 12, thereby reducing the difficulty of assembling the tenon 21 into the tenon groove 12.

[0053] Regarding the structure of the mortise 12 and the tenon 21, Figures 5 to 7As shown, all the aforementioned embodiments and examples of the present application can further enable the mortise and tenon 12 to include an upper opening 121 and a lower opening 122 respectively passing through the two working surfaces 11 of the plate body 1, and an intermediate channel 123 connected between the upper opening 121 and the lower opening 122, wherein the size of the intermediate channel 123 is enlarged relative to the upper opening 121 and the lower opening 122 to form an expansion limit portion for limiting the tenon 21; the support leg 2 also includes an upper protrusion 22 and a lower protrusion 23 formed at the upper and lower ends of the tenon 21, and after the tenon 21 is installed in the mortise and tenon 12, the upper protrusion 22 and the lower protrusion 23 protrude from the two working surfaces 11 of the plate body 1 through the upper opening 121 and the lower opening 122 respectively. Specifically, the middle channel 123 is used to limit the tenon 21, the upper opening 121 is used to avoid the upper protrusion 22 so that the upper protrusion 22 can protrude from one of the working surfaces 11 of the plate body 1, and the lower opening 122 is used to avoid the lower protrusion 23 so that the lower protrusion 23 can protrude from the other working surface 11 of the plate body 1. The size of the middle channel 123 of the mortise 12 is enlarged relative to the upper opening 121 and the lower opening 122 to form an expansion limit portion for limiting the tenon 21, so that the surface of the middle channel 123 can form a stopper for part of the outer surface of the tenon 21 along the thickness direction of the plate body 1, and the portion of the tenon 21 located in the middle channel 123 is thickened, so that the structural strength is higher, the pressure bearing capacity is stronger, and it is not easy to break.

[0054] As a preferred embodiment, the support leg 2 and the board body 1 are set to structures of the same material. It can be understood by those skilled in the art that the board bodies of the chopping boards on the market are mostly wooden or plastic structures. Whether it is a wooden board body or a plastic board body, most of them are equipped with silicone support legs or metal support legs, which have many disadvantages. In the present application, the support leg 2 and the board body 1 are set to structures of the same material. In a preferred embodiment, the support leg 2 and the board body 1 can be set to wooden structures, so that the chopping board as a whole is a pure wooden structure, which effectively overcomes the technical problems of easy adhesion of dust in the existing silicone support legs and the difficult and high cost of processing in the metal support legs. In addition, the wooden support leg 2 and the wooden board body 1 are matched through the tenon 21 and the mortise and tenon 12 to achieve glue-free and paint-free assembly, which is more environmentally friendly and hygienic. Moreover, the support leg 2 can be made of the scraps generated during the processing of the board body 1, and the processing cost is relatively low.

[0055] As a preferred embodiment, Figures 1 to 3 as well as Figures 8 to 10As shown, the cutting board further includes a handle 3 and a connector 4. The handle 3 is integrally constructed as a U-shaped structure, and the two ends of the handle 3 are fixed to the board body 1 by a connector 4. By installing the handle 3 of the U-shaped structure on the board body 1, it is convenient to take and store the cutting board. For example, the cutting board can be hung on a hook attached to the wall by the handle 3. For another example, the cutting board can be taken and placed in a storage box by the handle 3, which greatly improves the convenience of use. The two ends of the handle 3 are fixed to the board body 1 by a connector 4 to ensure the installation reliability of the handle 3 on the board body 1.

[0056] The present application does not limit the structure of the connecting member 4. For example, it can be a metal fastener, such as a rivet, a screw, etc., or other suitable structures. As a preferred embodiment, Figure 3 , Figure 4 and Fig.10 As shown, the connecting member 4 is constructed as a pin whose cross-sectional area gradually decreases from the first end 41 to the second end 42, the plate body 1 is provided with a tapered mounting hole 13, the handle 3 is fixed to the first end 41, and the second end 42 is mounted in the mounting hole 13. The cross-sectional area of ​​the connecting member 4 gradually decreases from the first end 41 to the second end 42 and the mounting hole 13 is tapered, so the profile size of the second end 42 of the pin can be made slightly larger than the mounting hole 13, so that the pin can form a stable and reliable interference fit with the mounting hole 13 through the second end 42, thereby improving the assembly tightness of the handle 3.

[0057] Furthermore, if Figure 3 as well as Fig. 9 and Fig.10 As shown, the handle 3 is provided with a through hole 31 passing through both ends, and the connecting member 4 simultaneously passes through the through hole 31 and the mounting hole 13. Specifically, the through hole 31 provided on the handle 3 can also be a tapered structure to form an adaptation with the pin, and the outline size of the first end 41 of the pin is slightly larger than the through hole 31, so that the pin can form a stable and reliable interference fit with the through hole 31 through the first end 41. Therefore, the pin simultaneously passes through the through hole 31 and the mounting hole 13 to simultaneously achieve an interference fit with the handle 3 and the plate body 1, further improving the assembly tightness of the handle 3.

[0058] Anything not described in this application can be achieved by adopting or drawing on existing technologies.

[0059] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0060] The above is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A cutting board, comprising a board body and a plurality of legs mounted on the board body, wherein when the legs are mounted on the board body, two ends of the legs protrude from two working surfaces of the board body perpendicular to the thickness direction, respectively, and characterized in that: The support leg is provided with a tenon, and the plate body is provided with a tenon groove adapted to the tenon. The tenon groove is arranged at the edge of the plate body so that the tenon can be embedded in the plate body through the tenon groove, and along the thickness direction, the tenon groove stops the tenon.

2. The cutting board according to claim 1, characterized in that: The plate body is constructed as a rectangular structure as a whole, and the tenon is installed in the tenon groove along a direction forming an angle with the straight side of the plate body.

3. The cutting board according to claim 2, characterized in that: The mortise and tenon grooves are arranged at diagonal positions of the plate body and open along the diagonal direction of the plate body, so that the tenons are installed in the mortise and tenon grooves along the diagonal direction of the plate body.

4. The cutting board according to claim 1, characterized in that: The tenon is provided with a convex rib protruding outward, and the convex rib extends along the tenon toward the installation direction when the tenon is installed into the tenon groove. After the tenon is installed in place in the tenon groove, the convex rib abuts against the inner wall of the tenon groove.

5. The cutting board according to claim 4, characterized in that: The end of the convex rib is provided with an inclined guide surface, and the guide surface is used to guide the tenon to enter the tenon groove.

6. The cutting board according to any one of claims 1 to 5, characterized in that: The tenon groove comprises an upper opening and a lower opening respectively penetrating through the two working plate surfaces of the plate body and an intermediate channel connected between the upper opening and the lower opening, wherein the size of the intermediate channel is enlarged relative to the upper opening and the lower opening to form an expansion limit portion for limiting the tenon; The support leg also includes an upper protrusion and a lower protrusion formed at the upper and lower ends of the tenon. After the tenon is installed in the tenon groove, the upper protrusion and the lower protrusion protrude from the two working surfaces of the plate body through the upper through hole and the lower through hole respectively.

7. The cutting board according to any one of claims 1 to 5, characterized in that: The supporting legs and the plate body are configured to be structures made of the same material.

8. The cutting board according to any one of claims 1 to 5, characterized in that: The cutting board further comprises a handle and a connecting piece. The handle is integrally constructed as a U-shaped structure. Both ends of the handle are respectively fixed to the board body through one of the connecting pieces.

9. The cutting board according to claim 8, characterized in that: The connecting member is constructed as a pin whose cross-sectional area gradually decreases from the first end to the second end. The plate body is provided with a tapered mounting hole. The handle is fixed to the first end, and the second end is mounted in the mounting hole.

10. The cutting board according to claim 9, characterized in that: The handle is provided with through holes penetrating through both ends, and the connecting piece penetrates the through holes and the mounting holes at the same time.

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