JP2019017995A - Knife and knife set - Google Patents

Abstract

To provide a knife easily manufacturable with a simple structure.SOLUTION: A knife 10 having a blade part 20 comprises: a blade body 22 and a core 32 formed on the tail end side of the blade body 22; and a handle part 40 including a through-hole 48 in the length direction for inserting the core 32 and fixing the blade part 20, and further comprises: a connection member 70 inserted into the through-hole 48 of the handle part 40 and existing in the length direction; and a first fixing member 60 mutually fixing the blade part 20 and the handle part 40 on the tail end of the handle part 40 via the connection member 70.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a knife and a knife set.

  Conventionally, a blade portion including a blade body and a core formed on a distal end side of the blade body, and a handle portion including a through-hole in a length direction in which the core is inserted and to which the blade portion is fixed, Knives equipped are known. An example of such a knife is a diving knife described in Patent Document 1.

  The diving knife of Patent Document 1 includes a knife body that is long in the front-rear direction, a handle member that can be attached to and detached from the knife body, and an end cap for fixing the handle member to the knife body. The knife body has a stainless steel blade portion located in front and a tongue portion extending rearward from the blade portion.

JP 2004-24720 A

  By the way, in the diving knife of Patent Document 1, the tongue portion of the knife body is inserted into the insertion portion of the handle member to reach the end of the handle member, and the end cap is attached to and detached from the extended portion of the tongue portion at the end of the handle member. It is attached as possible. However, the diving knife of Patent Document 1 has a problem that it can be difficult to manufacture due to the large length of the blade and the complicated shape.

  Then, an object of this invention is to provide the knife and knife set which can be manufactured easily with a simple structure.

  In order to solve the above-described problem, a knife according to the present invention includes a blade body and a blade portion including a core formed on a terminal side of the blade body, and a longitudinal through-hole into which the core is inserted. Including a handle portion to which the blade portion is fixed, a connecting member that is inserted into a through hole of the handle portion and extends in the length direction, and the handle through the connecting member. And a first fixing member for fixing the blade part and the handle part to each other at the end of the part.

  According to the above configuration, the connecting member that is inserted into the through hole of the handle portion and extends in the length direction, and the blade portion and the handle portion are fixed to each other at the end of the handle portion via the connecting member. By providing the fixing member, the length dimension of the core of the blade portion can be shortened to make a simple structure. Thereby, this invention can provide the knife which can be manufactured easily with a simple structure.

  The core of the blade part may include a hole penetrating in the thickness direction, and the connecting member may include a protrusion that protrudes in the thickness direction and is fitted in the hole.

  According to the above configuration, since the connecting member can be attached to the core of the blade portion with a simple structure, the effect of the present invention described above can be made remarkable.

  The connecting member may further include a concave portion that is provided adjacent to the protrusion and that fits a portion of the core that is located on the distal side of the hole.

  According to the said structure, the axial center position of a blade part and a handle | steering-piece part can be made straight with simple structure.

  The blade core includes a first fixing hole drilled in the thickness direction, and the connecting member includes a second fixing hole drilled in the thickness direction, and the first fixing hole and the You may further provide the 2nd fixing member which fixes the core of the said blade part, and the said connection member mutually by inserting in the fixing hole formed by communicating with a 2nd fixing hole.

  According to the above configuration, since the connecting member can be attached to the core of the blade portion with a simple structure, the effect of the present invention described above can be made remarkable.

  A screw groove may be formed in each inner wall of the first fixing hole and the second fixing hole, and the second fixing member may be configured as a screw member that is screwed into the screw groove.

  According to the said structure, a connection member can be reliably fixed to the core of a blade part with a simple structure.

  The connection member may further include a screw hole extending in a length direction from the end, and the first fixing member may include a male screw that is screwed into the screw hole.

  According to the said structure, since a 1st fixing member becomes inconspicuous, aesthetics can be improved.

  You may further provide the collar member attached to the front-end | tip of the said handle | pattern part.

  According to the above configuration, the blade portion can be prevented from swinging with respect to the handle portion.

  In order to solve the above problems, a knife set according to the present invention includes a plurality of at least one of the blade part and the handle part in order to assemble the knife described in any of the above.

  According to the above configuration, the connecting member that is inserted into the through hole of the handle portion and extends in the length direction, and the blade portion and the handle portion are fixed to each other at the end of the handle portion via the connecting member. By providing the fixing member, the length dimension of the core of the blade portion can be shortened to make a simple structure. Thereby, this invention can provide the knife set which can be manufactured easily with a simple structure.

  The present invention can provide a knife and a knife set that can be easily manufactured with a simple structure.

1 is an external perspective view of a knife according to an embodiment of the present invention. It is sectional drawing along the II-II line | wire shown in FIG. 1 of the knife which concerns on embodiment of this invention. It is an exploded view of the knife which concerns on embodiment of this invention. It is a figure which shows the connection member of the knife which concerns on embodiment of this invention, (a) is an external appearance perspective view, (b) is a side view, (c) is the cross section along the IVC-IVC line | wire shown in (b) FIG. It is sectional drawing similar to FIG. 2 of the knife which concerns on other embodiment of this invention. It is an exploded view of the knife which concerns on other embodiment of this invention. It is a figure which shows the connection member of the knife which concerns on other embodiment of this invention, (a) is an external appearance perspective view, (b) is a top view, (c) is along the VIIC-VIIC line shown to (b). FIG.

(Structure of knife 10)
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the following description, the same or corresponding elements are denoted by the same reference numerals throughout all the drawings, and redundant description thereof is omitted. FIG. 1 is an external perspective view of a knife according to an embodiment of the present invention. 2 is a cross-sectional view of the knife along the line II-II shown in FIG. FIG. 3 is an exploded view of the knife.

  As shown in FIGS. 1 to 3, the knife 10 according to the present embodiment is a single-blade replaceable knife (or replaceable knife kitchen knife) capable of easily disassembling and assembling each member. The knife 10 includes a blade body 20 and a blade portion 20 including a core 32 formed on a distal end side of the blade body 22, and a longitudinal through-hole 48 into which the core 32 is inserted, and the blade portion 20 is fixed. The handle part 40 is provided. The knife 10 is inserted into the through hole 48 of the handle 40 and extends in the length direction, and the blade 20 and the handle 40 at the end of the handle 40 via the connecting member 70. Are further provided with a first fixing member 60 that fixes the two to each other and a flange member 90 that is attached to the tip of the handle 40.

  In the following description, as shown in FIGS. 1 to 3, the direction in which the knife 10 extends (the left-right direction in FIG. 2) is referred to as the length direction. Further, a direction perpendicular to the length direction and connecting the blade and the peak of the blade portion 20 (vertical direction in FIG. 2) is referred to as a height direction. Furthermore, a direction orthogonal to both the length direction and the height direction is referred to as a thickness direction.

  The blade portion 20 has a blade on one side in the height direction and has a blade body 22 having a single blade having a ridge on the other side, and a core 32 provided so as to protrude from a ridge-side portion on the distal side of the blade body 22. And including. The core 32 is formed in a flat plate shape having the same thickness direction as the blade body 22. The core 32 includes a hole 38 penetrating in the thickness direction. The hole 38 has a substantially rectangular shape when viewed from the thickness direction.

  The handle 40 includes a longitudinal through hole 48 into which the core 32 is inserted. The through hole 48 includes a tip portion 48a from the tip portion of the handle 40 to the substantially central portion, and a terminal portion 48b from the substantially central portion to the terminal portion. As shown in FIG. 2, the height dimension of the front end portion 48a is formed larger than that of the end portion 48b. The tip portion 48 a is a portion into which the core 32 is mainly inserted, and has a shape corresponding to the outer shape of the core 32. The end portion 48 b is a portion into which the connecting member 70 is inserted, and has a shape corresponding to the connecting member 70.

  The material for forming the handle 40 is, for example, a laminated reinforced wood obtained by including a resin in a thin wood board of about several millimeters, and laminating it and hot pressing, and mainly composed of acrylic resin. It may be a lacquer ware formed by applying lacquer on the surface of artificial marble or wood. By forming the handle 40 using these materials, good aesthetics and durability can be obtained. The handle 40 may be formed using a material other than the above.

  The first fixing member 60 includes a male screw 62 that is screwed into a screw hole 78 (described later) formed in the connecting member 70, and a terminal member 64 that is attached to the end of the handle 40. The end member 64 is formed in a flat plate shape having a thickness in the length direction, and has the same or substantially the same shape as the end face on the end side of the handle portion 40 when viewed from the length direction. The end member 64 is formed with a hole 68 through which a portion excluding the head of the male screw 62 is inserted.

  FIG. 4 is a view showing a knife connecting member according to an embodiment of the present invention, in which (a) is an external perspective view, (b) is a side view, and (c) is an IVC-IVC line shown in (b). FIG. As shown in FIGS. 1 to 4, the connecting member 70 according to the present embodiment is inserted into the through hole 48 of the handle portion 40 and extends in the length direction, and the first fixing with the core 32 of the blade portion 20. The members 60 are connected to each other. The connecting member 70 is formed in a substantially rectangular parallelepiped shape extending in the length direction of the knife 10 when assembled as a part of the knife 10.

  The connecting member 70 includes a protrusion 72 that protrudes in the thickness direction and is fitted into a hole 38 formed in the core 32 of the blade portion 20. Further, the connecting member 70 further includes a recess 74 that is provided adjacent to the protrusion 72 and that fits a portion of the core 32 that is located on the distal side of the hole 38. The protrusion 72 of the connecting member 70 is provided so as to protrude from the bottom surface of the recess 74.

  The protrusion 72 is formed in a substantially rectangular parallelepiped shape. As shown in FIG. 4B, a surface located on the protruding tip side of the protrusion 72 (ie, a surface located on one end side in the thickness direction of the knife 10 when assembled as a part of the knife 10). ) Is the same in the thickness direction as the side surface on one side of the portion located on the distal side of the recess 74 of the connecting member 70 when the assembled state of the knife 10 is viewed from the height direction of the knife 10. Become position. Further, the protrusion 72 is provided so as to protrude from the bottom surface of the connecting member 70 on the most distal end side (most distal end side of the concave portion 74). In other words, the connecting member 70 includes a recess 74 that is recessed from the side surface on one side in the thickness direction in the vicinity of the distal end in the length direction, and a portion positioned on the distal end side of the recess 74 has a protrusion 72. Configure.

  The heel member 90 is attached to the tip of the handle 40. The eaves member 90 is formed in a hollow, substantially cylindrical shape having an open end in the length direction, and the core 32 of the blade portion 20 is inserted into a surface located on the end side in the length direction. A slit-shaped hole 98 is formed in the surface. The heel member 90 has substantially the same shape as the end surface on the distal end side of the handle 40 as viewed from the length direction. In addition, the dimension when the eaves member 90 is viewed from the length direction is formed to be slightly larger than that of the end face on the distal end side of the handle 40. Thereby, the collar member 90 is attached so that the front-end | tip part of the handle | pattern part 40 may be covered.

(Example of assembly procedure)
Next, an example of an assembly procedure of the knife 10 according to the present embodiment will be described mainly based on an exploded view shown in FIG.

  First, the core 32 of the blade part 20 is placed in a state in which the end side of the core 32 of the blade part 20 and the end face on the front end side of the flange member 90 (end face where the slit-like hole 98 is formed) are opposed to each other. Is inserted into a slit-shaped hole 98 formed in the flange member 90.

  Next, the protrusion 72 of the connecting member 70 is fitted in the hole 38 formed in the core 32. At this time, a portion of the core 32 that is located on the end side with respect to the hole 38 is fitted into the recess 74 provided adjacent to the protrusion 72 of the connecting member 70.

  Further, while maintaining the above-mentioned fitting state, for example, the ridge side portion of the blade body 22 is gripped, and the connecting member 70 is patterned from the end surface on the end side (that is, the end surface on the side where the screw hole 78 is formed). It is inserted into the through hole 48 of the portion 40. Then, the connecting member 70 and the core 32 are inserted until they cannot be seen from the outside, and the hook member 90 is attached so as to cover the tip portion of the handle 40.

  And the state which made the hole 68 drilled in the said end member 64 and the through-hole 48 drilled in the handle | steering-piece 40 communicated by having the terminal member 64 addressed to the end surface of the handle | steering-part 40 To.

  Finally, the male screw 62 is inserted into the communicating hole, and the male screw 62 is screwed into the screw hole 78 of the connecting member 70 inserted into the through hole 48 of the handle 40, thereby connecting the member 70. The blade 20 and the handle 40 are fixed to each other at the end of the handle 40 via the.

  As described above, the knife 10 according to this embodiment can be assembled. The knife 10 releases the screwed state between the screw hole 78 of the connecting member 70 and the male screw 62, and holds the core 32 and the connecting member 70 of the blade portion 20 by gripping the peak side portion of the blade body 22, for example. It can be easily disassembled by simply pulling it out from the through hole of the handle 40. Therefore, the knife 10 according to the present embodiment can not only be easily manufactured, but can be effectively used as a replaceable knife that can easily replace the blade portion 20.

(effect)
The knife 10 according to the present embodiment includes a connecting member 70 inserted into the through hole 48 of the handle 40 and extending in the length direction, and the blade 20 and the handle at the end of the handle 40 via the connecting member 70. By providing the first fixing member 60 that fixes the portion 40 to each other, the length dimension of the core 32 can be shortened to provide a simple structure. Thereby, the knife 10 according to the present embodiment can be easily manufactured with a simple structure. In addition, for example, the handle 40 having various lengths can be easily used by changing only the length of the connecting member 70 without changing the shape of the blade 20.

  Further, the core 32 of the blade portion 20 provided in the knife 10 according to the present embodiment includes a hole 38 penetrating in the thickness direction, and the connecting member 70 is provided so as to protrude in the thickness direction and is fitted in the hole 38. It includes a protrusion 72 to be mated. Thereby, since the knife 10 which concerns on this embodiment can attach a connection member to the core 32 of the blade part 20 with a simple structure, it can make the effect which this above-mentioned embodiment show | plays remarkable.

  Furthermore, the connecting member 70 included in the knife 10 according to the present embodiment is provided adjacent to the protrusion 72 and is a recess for fitting a portion of the core 32 that is located on the terminal side of the hole 38. 74 is further included. Thereby, the knife 10 which concerns on this embodiment can make the axial center position of the blade part 20 and the handle | pattern part 40 into a straight line with a simple structure, as shown with a dashed-dotted line in FIG.

  The connecting member 70 included in the knife 10 according to the present embodiment further includes a screw hole 78 extending in the length direction from the end, and the first fixing member 60 includes a male screw 62 that is screwed into the screw hole 78. Including. Thereby, since the knife 10 which concerns on this embodiment does not stand out the 1st fixing member 60 evidently also from FIG. 1, it can improve aesthetics.

  The knife 10 according to the present embodiment further includes a flange member 90 attached to the tip of the handle 40. Thereby, the knife 10 according to this embodiment can suppress the blade portion 20 from swinging with respect to the handle portion 40.

(Structure of knife 10 ')
Based on FIG.5 and FIG.6, the knife which concerns on other embodiment of this invention is further demonstrated. FIG. 5 is a cross-sectional view similar to FIG. 2 of a knife according to another embodiment of the present invention. FIG. 6 is an exploded view of the knife. The knife according to the present embodiment has the same structure as the knife 10 according to the embodiment described above, except that the core 32 of the connecting member 70, the structure of each of the connecting members 70, and the second fixing member are provided. Have Therefore, the same parts are denoted by the same reference numerals, and the same description will not be repeated.

(Blade 20 'core 32')
The core 32 ′ of the blade part 20 ′ is formed in a plate shape having the same thickness direction as the blade body 22. The core 32 ′ includes two first fixing holes 110 formed in the thickness direction. The two first fixing holes 110 respectively penetrate the core 32 ′ in the thickness direction. In addition, screw grooves for screwing a second fixing member 130 described later are formed on the inner walls of the two first fixing holes 110.

  The blade portion 20 ′ has a connection portion 108 that connects the blade body 22 and the core 32 ′ to each other. The connecting portion 108 is bent from the edge of the base end side of the blade body 22 in the length direction and extends in the thickness direction so that the blade body 22 and the core 32 ′ have a step in the thickness direction. , Connected to the end edge on the tip side of the core 32 ′ in the length direction.

(Connecting member 70 ')
FIG. 7 is a view showing a connecting member of the knife, in which (a) is an external perspective view, (b) is a plan view, and (c) is a cross-sectional view taken along the VIIC-VIIC line shown in (b). is there. As shown in FIGS. 5-7, connecting member 70 'which concerns on this embodiment is inserted in the through-hole 48 of the handle | pattern part 40, is extended in the length direction, and the core 32 and 1st of the blade part 20 are 1st. The fixing member 60 is connected to each other. The connecting member 70 ′ is formed in a substantially rectangular parallelepiped shape extending in the length direction of the knife 10 when assembled as a part of the knife 10.

  The connecting member 70 ′ is formed such that the thickness of the tip end portion 118 is thinner than the thickness of the portion other than the tip end portion 118. The distal end portion 118 of the connecting member 70 ′ is formed in a substantially rectangular parallelepiped shape. Further, the connecting member 70 ′ includes two second fixing holes 120 drilled in the thickness direction at the tip end portion 118. The two first fixing holes 110 respectively penetrate the connecting member 70 ′ in the thickness direction. A screw groove for screwing a second fixing member 130 described later is formed on the inner wall of each of the two second fixing holes 120.

(Second fixing member 130)
The knife 10 ′ according to the present embodiment is inserted into a fixed hole formed by communicating the first fixed hole 110 and the second fixed hole 120, so that the core 32 and the connecting member 70 of the blade portion 20 ′ are connected. Further, a second fixing member 130 that fixes' to each other is further provided.

  As described above, in the present embodiment, screw grooves are formed on the inner walls of the first fixing hole 110 and the second fixing hole 120, respectively. The second fixing member 130 is configured as a screw member that is screwed into the screw groove.

  In addition, as described above, in the present embodiment, two fixing holes are formed by providing two each of the first fixing hole 110 and the second fixing hole 120. Accordingly, the knife 10 ′ according to the present embodiment includes two second fixing members 130.

  As described above, in the present embodiment, the blade body 22 and the core 32 ′ are formed to have a step in the thickness direction, and the distal end portion 118 of the connecting member 70 is the distal end portion 118. It is formed thinner than other parts. According to this structure, in order to connect the first fixing hole 110 and the second fixing hole 120, the core 32 ′ of the blade portion 20 ′ and the tip end portion 118 of the connecting member 70 ′ are overlapped in the thickness direction. Even in the thickness direction, the center of the blade body 22 and the center of the connecting member 70 ′ coincide with each other without shifting.

(effect)
As with the knife 10 according to the embodiment described above, the knife 10 ′ according to the present embodiment can attach the connecting member 70 ′ to the core 32 ′ of the blade portion 20 ′ with a simple structure.

  Moreover, in this embodiment, the 2nd fixing member 130 is comprised as a screw member, and is screwed together by the screw groove formed in each inner wall of the 1st fixing hole 110 and the 2nd fixing hole 120. FIG. Thereby, it can suppress that blade part 20 'rock | fluctuates with respect to connection member 70'. Therefore, the knife 10 'according to the present embodiment can reliably fix the connecting member 70' to the core 32 'of the blade portion 20' with a simple structure.

  Furthermore, in the present embodiment, for example, when the cores 32 ′ of the blade part 20 ′ are fitted together with their shapes precisely matched so that they do not swing within the tip part 48 a of the through hole 48 of the handle part 40. A structure that is relatively difficult to manufacture can be avoided.

(Modification)
In the above embodiment and other embodiments, the case where the male screw 62 is screwed into the screw hole 78 drilled on the distal end side of the connecting member 70 as the first fixing member 60 has been described, but the present invention is not limited to this. . For example, a male screw may be formed on the terminal side of the connecting member 70, and a first fixing member having a screw hole that engages with the male screw may be provided at the terminal of the handle portion 40. Further, the structure for fixing the blade portion and the handle portion to each other is not limited to the screw structure. For example, a structure in which a fitting protrusion formed in the first fixing member is fitted into a fitting hole formed in the connecting member may be used, or another structure may be used.

  In the above embodiment, the case where the protrusion 72 of the connecting member 70 is formed on the most distal end side of the connecting member 70 has been described, but the present invention is not limited to this. That is, the protrusion 72 may be formed in the vicinity of the tip of the connecting member 70, for example. That is, the protrusion 72 may be provided so as to protrude from a substantially middle portion of the recess 74 formed on the most distal end side of the connecting member 70, for example.

  Although the said embodiment and other embodiment demonstrated the case where the knife which concerns on this invention is a single-blade replacement blade knife (replacement blade kitchen knife), it is not limited to this. That is, the knife according to the present invention can be used as, for example, a double-blade replacement knife, a non-replacement knife, a pocket knife, or a mountain climbing knife by changing the blade portion 20. It is also possible to use other knives.

  In addition, since the knife which concerns on this invention can perform disassembly and an assembly of each member easily, it can be used suitably as a replaceable blade knife, However, It is not limited to this. That is, the knife according to the present invention may be provided in a state in which each member cannot be easily disassembled and assembled. In addition, for example, a business model may be conceived in which a user selects and selects a favorite blade or handle from various types at an actual store or the Internet, and the store clerk or manufacturer assembles and supplies it. Since the knives according to the present invention can be easily assembled to each member and can be provided to the user without waiting in a short time, they can be suitably used in the business model as described above. In addition, as described in the above embodiment, various materials such as laminated reinforced wood, artificial marble, or lacquer ware can be used as a material for forming the handle portion. It is also possible to conduct business jointly.

(Knife set)
In order to assemble the knife according to any of the above-described embodiments and modifications thereof, it may be provided as a knife set including a plurality of at least one of the blade part and the handle part.

  According to the above configuration, the connecting member that is inserted into the through hole of the handle portion and extends in the length direction, and the blade portion and the handle portion are fixed to each other at the end of the handle portion via the connecting member. By providing the fixing member, the length dimension of the core of the blade portion can be shortened to make a simple structure. Thereby, this invention can provide the knife set which can be manufactured easily with a simple structure.

  From the foregoing description, many modifications and other embodiments of the present invention are obvious to one skilled in the art. Accordingly, the foregoing description should be construed as illustrative only and is provided for the purpose of teaching those skilled in the art the best mode of carrying out the invention. The details of the structure and / or function may be substantially changed without departing from the spirit of the invention.

DESCRIPTION OF SYMBOLS 10 Knife 20 Blade part 22 Blade body 32 Core 38 Hole 40 Handle part 48 Through hole 48a Tip part 48b End part 60 First fixing member 62 Male screw 64 End member 68 Hole 70 Connection member 72 Projection part 74 Recess part 78 Screw hole 90鍔 member 98 hole 108 connecting portion 110 first fixing hole 118 tip portion 120 second fixing hole 130 second fixing member

Claims (8)

A knife comprising: a blade body including a blade body and a blade portion formed on a distal end side of the blade body; and a handle portion including a longitudinal through-hole into which the core is inserted and to which the blade portion is fixed. Because
A connecting member that is inserted into the through hole of the handle and extends in the length direction;
A first fixing member for fixing the blade part and the handle part to each other at the end of the handle part via the connecting member;
A knife, further comprising: The blade core includes a hole penetrating in the thickness direction,
The knife according to claim 1, wherein the connecting member includes a protrusion that protrudes in the thickness direction and is fitted in the hole.   The said connecting member is provided adjacent to the said protrusion, and further contains the recessed part for fitting the part located in the terminal side rather than the said hole among the said cores. Knife. The blade core includes a first fixing hole formed in the thickness direction,
The connecting member includes a second fixing hole drilled in the thickness direction,
A second fixing member for fixing the blade core and the connecting member to each other by being inserted into a fixing hole formed by communicating the first fixing hole and the second fixing hole. The knife according to claim 1. Screw grooves are formed on the inner walls of the first fixing hole and the second fixing hole,
The knife according to claim 4, wherein the second fixing member is configured as a screw member screwed into the screw groove. The connecting member further includes a screw hole extending in a length direction from the end,
The knife according to any one of claims 1 to 5, wherein the first fixing member includes a male screw that is screwed into the screw hole.   The knife in any one of Claims 1 thru | or 6 further provided with the collar member attached to the front-end | tip of the said handle | pattern part.   A knife set including a plurality of at least one of the blade part and the handle part for assembling the knife according to claim 1.

Images