JP3953128B2 - Tools with cooking pattern - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention belongs to the technical field of tools with a cooking pattern such as ladle, net insulator, pan with handle, large cooking fork, and scoop.
[0002]
[Prior art]
A conventional tool with a handle such as a ladle is made by inserting and fitting a cylindrical wooden handle into a circular tubular joint fixed to the head made of metal, plastic, etc., and attaching it with a wood screw or the like through the joint It has been known. Thus, the reason why the connecting portion is tubular is that it is easy to manufacture both the head portion and the handle portion, and it is easy to connect and insert them together. However, when the connecting portion is a circular pipe, a rotational force applied around the axis of the handle when the tool is used is applied to the wood screw. For this reason, the wood screw is loosened during use, sometimes falls off, and there is a problem that the wood screw is mixed with food or the head is dropped off. In addition, when cooking ingredients, the ingredients soak into the mating portion, leaving it unsanitary. Therefore, it is necessary to detach the head and the handle for cleaning. However, it is inconvenient to detach the wood screw, and there are problems such that the wood screw is not effective and easily detached when the detachment is repeated.
[0003]
[Problems to be solved by the invention]
The present invention is a durable, hygienic and easy-to-use material that is easy to remove and remove, and that prevents the member that fixes the head and the handle from dropping off during use and mixing with ingredients . The challenge is to provide a tool with a handle.
[0004]
[Means for Solving the Problems]
First means for solving the above problems, as described in claim 1, head and a shank detachably removable washable cooking with a connecting portion for fixing connecting them with bolts met tools with handle use, the connecting portion is tubular, provided with a through hole in the head portion is a portion of the shank to be inserted, the threaded portion of the bolt corresponding to the through hole provided in the connecting portion The cross-sectional shape of the head side portion of the handle portion is formed in a square shape following the shape of the inner surface of the connecting portion, the screw portion is formed over substantially the entire length of the through hole, and the bolt is The cooking pattern-equipped tool is configured to be screwed into the screw portion from the direction of the upper surface side of the connecting portion .
Further, the second means is as described in claim 2, wherein the handle portion is made of wood as a main core material, and the outer periphery of the core material is covered with plastic, and the core material of the head side portion. Is a tool with a cooking handle in which the through hole is formed in the head side portion, and a nut is embedded over substantially the entire length of the through hole .
Moreover, a 3rd means is a tool with a cooking handle which becomes a structure which apply | coats an adhesive agent to the outer periphery of the said nut , as described in Claim 3.
[0005]
Moreover, as for 4th means, the cross-sectional shape only of the said head side part is made into a quadrangle | tetragon, and the grip part which is the operation side part of the said handle | pattern part is made into a different cross-sectional shape as described in Claim 4. It is a tool with a handle. Moreover, a 5th means is a tool with a cooking handle by which the antibacterial agent is mixed in the said plastic of the said handle part as described in Claim 5. Moreover, the 6th means is with the cooking handle which provided the intermediate | middle layer which consists of a reinforcing material in the middle of the said core material of the said pattern part, and the said plastics which coat | cover this core material as described in Claim 6. It is a tool.
Also, seventh means, as claimed in claim 7, wherein the bolt, when it is screwed into the connecting portion, and is configured in which the head is arranged so as to protrude from the upper surface of the connecting portion It is a tool with a cooking pattern.
[0006]
[Action]
In the invention of claim 1, the head and the handle can be attached and detached much more easily than the conventional wood screw system, and the recess formed as the screw in the handle is used as a through hole. It can be discharged and internal cleaning becomes easy. Moreover, since the washing water flows out without accumulating, it becomes very hygienic. Further, by embedding the nuts threaded portion into the through hole of the pre-mentioned, the fixing force by the bolt is further enhanced.
In addition, according to the invention of claim 1, since the cross-sectional shape of the head side portion which is the portion of the handle portion inserted into the connecting portion is formed in a square shape following the shape of the inner surface of the connecting portion, The rotational force in the axial direction of the handle portion in the portion is suppressed, and only the force in the length direction of the handle portion acts on the fixed portion with a bolt or the like. Therefore, there exists an advantage which contributes to the durability of the connection part containing a volt | bolt. That is, the handle portion is prevented from rotating in the direction of the rotation axis, and the load on the screw portions such as bolts and nuts is reduced.
According to the invention of claim 1, the screw portion is formed over substantially the entire length of the through hole, and the bolt is configured to be screwed into the screw portion from the direction of the upper surface side of the connecting portion. Therefore, the risk of falling off due to loosening of the bolt during use of the utensil with cooking handle is easily avoided.
In the invention of claim 2, since the nut over the substantially entire length of the through hole is embedded, rotation of the embedded nut itself is prevented, and the fixing force of the bolt is stabilized.
According to the invention of claim 2, the handle portion is made of wood as a main core material, the outer periphery of the core material is covered with plastic, and the core material of the head portion of the handle portion is formed of plastic. The through hole is formed in the head side portion. Accordingly, the handle portion is reduced in weight while maintaining strength, and its water absorption is suppressed, so that generation of various germs can be prevented and further hygienic.
Further, according to the invention of claim 2, since the core material of the handle portion where the through hole is provided is plastic, even if a slight gap exists between the through hole and the nut, the core material is made of wood. Unlike it, it does not absorb moisture and is hygienic. And by comprising in this way, the intensity | strength and water tightness of a connection part increase, and hygiene and durability improve.
Further, in the invention of claim 3 , since the adhesive is applied to the outer periphery of the nut, there is an advantage that adhesion to the handle or the like is strengthened, rotation of the nut can be prevented, and water tightness can be improved. .
Also, in the invention of claim 5, since the antibacterial agent is mixed into the plastic of the handle portion, even remain water in the plastic part it is possible to prevent the occurrence of bacteria, it becomes more hygienic.
In the invention of claim 6, since an intermediate layer made of a reinforcing material is provided between the core material of the handle portion and the plastic covering the core material, the structure is desirable in terms of preventing breakage. .
[0007]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to examples shown in the accompanying drawings.
[0008]
[Example 1]
FIG. 1 is a view showing an embodiment of the invention of claim 1 and represents a perspective view of a tool 10 with a handle. As shown in the drawing, the head 11 of the handle-equipped tool 10 is fixed to the handle 13 by a connecting portion 12. A handle portion 13 is inserted into the tubular connecting portion 12, and a bolt 14 is screwed into the handle portion 13 through the tubular connecting portion 12 to connect and fix the head portion 11 and the handle portion 13. By attaching and detaching the bolts 14, the head 11 and the handle 13 are easily attached and detached.
[0009]
FIG. 2 is a longitudinal sectional view showing an example of a connecting portion applicable as the connecting portion 12 in the embodiment of FIG. As shown in the figure, a handle portion 22 is inserted into a tubular connecting portion 21, and a through hole 25 is provided in the handle portion of the connecting portion 21. The resin body 23 that constitutes the handle portion 22 together with the metal hollow tubular body 24 (pipe) is made of high-hardness plastic. A through hole 25 is provided in a portion corresponding to the protrusion of the bolt 27 to be screwed, and further, a screw is cut in the resin body 23 inside the through hole 25 so as to correspond to the screw portion of the bolt 27. The screw part 26 is formed.
[0010]
In this example, the screw portion 26 formed inside the through hole 25 extends over the entire length of the through hole 25, and the bolt 27 is also screwed over the entire length of the through hole 25. However, the length of the bolt 27 can be arbitrary, and the screw portion 26 provided in the through hole 25 does not have to extend over the entire length of the through hole 25. For example, the bolt 27 has at least one end or an intermediate portion. Just do it. However, in order to avoid the risk of falling off due to loosening of the bolts 27 in use, it is desirable that both are longer.
[0011]
[Example 2]
FIG. 3 is a view showing an embodiment of the invention of claim 2, and shows longitudinal sectional views of the respective handle portions 311, 321, 331, 341, 351. FIG. 3A shows an example in which a long nut 313 is embedded over the entire length of the through hole 312 provided in the handle 311 inserted into the connecting portion. 3-2 shows an example in which a short nut 323 is embedded in one end portion of the through hole 322, and FIG. 3-3 shows an example in which short nuts 333 and 334 are embedded in both end portions of the through hole 332. FIG. 3-4 illustrates an example in which a long nut 343 is embedded in an intermediate portion of the through hole 342, respectively. 3-5 shows an example in which a long nut 353 is embedded in a handle portion 351 that is a hollow tubular body made of FRP.
[0012]
In FIG. 3, the material of the nuts 313, 323, 333, 334, 343, and 353 to be embedded is preferably made of metal or plastic and does not absorb water and does not rust. The length and position of the nut are arbitrary, but it is desirable that the nut be as long as possible in order to avoid the risk of falling off due to loosening of the bolt.
[0013]
[Example 3]
FIG. 4 is a view showing an embodiment of the nut of the invention of claim 3. In the figure, FIGS. 4-1 to 4-5 show cross-sectional views of some nuts of the embodiment, and FIGS. 4-6 to 4-8 show side views of nuts of other embodiments. ing. FIG. 4A is a hexagonal outer shape, and FIG. 4B is a non-circular example including other polygonal shapes. FIG. 4-3 shows a non-circular shape having an elliptical outer shape, both of which are effective in preventing rotation. Fig. 4-4 shows a convex portion on the outer periphery, and Fig. 4-5 shows a cross section of the concave portion on the outer periphery. Specifically, as shown in Fig. 4-6 and Fig. 4-7. This is an example in which irregularities are provided discontinuously, or an example in which irregularities are provided continuously as shown in FIGS. 4-8, both of which are non-circular and effective in preventing rotation of the nut. The nuts 41 to 48 can be fixed by providing desired holes in the handle portion or the like constituting the connecting portion and embedding these nuts 41 to 48 by applying pressure to the holes. In this case, it is preferable to apply an adhesive such as an epoxy resin to the outer periphery of the nut, and the adhesive fills in a slight gap formed between the nut and the handle portion, etc. . Further, even when a nut having a circular outer periphery is used, adhesion to the handle portion or the like is reinforced by application of an adhesive, so that there is an advantage that rotation of the nut can be prevented and water tightness can be improved.
[0014]
[Example 4]
FIG. 5 is a view showing an embodiment of the invention of claim 4 and represents a perspective view of a mesh insulator. A mesh insulator head 52 formed of a metal plate in a substantially pan shape and provided with a desired opening 51 is fixed to a handle 54 at a connecting portion 53. In the connecting portion 53, a connecting portion 53 is formed by inserting a rectangular handle portion following the connecting portion 53 having a tubular cross section. The head portion 52 and the handle portion 54 are detachably fixed at the connecting portion 53 by bolts 55. In this embodiment, since the cross-sectional shape of the handle portion 54 inserted into the tubular connecting portion 53 is a quadrangle, the rotational force in the axial direction of the handle portion 54 in the connecting portion 53 is suppressed, and bolts and nuts are used. Only the force in the length direction of the handle 54 acts on the fixed portion. Therefore, there exists an advantage which contributes to durability of the connection part 53 containing a volt | bolt and a nut.
[0015]
FIG. 6 shows an example of the cross-sectional shape of the handle portion in the tubular connecting portion. As shown in the figure, the cross-sectional shape can be arbitrarily selected according to the type of tool such as a square 61, a rectangle 62, a hexagon 63, an octagon 64, an ellipse 65, 66, and the like. With such a shape, the force applied in the direction of the rotation axis of the handle portion of the connecting portion is suppressed, so that the force applied to a fixture such as a bolt becomes relatively small. Therefore, there is an advantage that the durability of the fixed portion can be improved and the operability of the handle can be realized. Further, only the handle portion of the connecting portion may have a cross-sectional shape different from that of the connecting portion, such as at least the shape as described above, and the gripping portion (handle operating side portion) having a circular cross section.
[0016]
[Example 5]
FIG. 7 is a view showing an embodiment of the invention of claim 5 and represents an example of a longitudinal section of a handle portion. In FIG. 7, core materials 71 and 74 constituting the handle 70 are covered with an FRP plate 72, and the periphery thereof is sealed with an ultrahigh molecular weight polyethylene layer 73. In the handle portion 70, a wood core 71 is used as a core material at a portion acting as a handle. On the other hand, an ultrahigh molecular weight polyethylene resin body 74 having excellent heat resistance and wear resistance is provided as a core material on the head side portion to be inserted into a tubular connecting portion (not shown). A through hole 75 is provided in the resin body 74, and a long nut 76 made of stainless steel is embedded in the through hole 75. In this embodiment, since the core material 74 of the handle portion 70 provided with the through hole 75 is plastic, even if a slight gap exists between the through hole 75 and the long nut 76, unlike the case of wood, It is hygienic without absorbing moisture. Further, by mixing an antibacterial agent into the resin body 74, generation of various germs can be prevented even if moisture remains in the portion, and it becomes more hygienic.
[0017]
[Example 6]
If the entire surface of the core 71 made of wood is covered with plastic, an embodiment of the invention of claim 6 is obtained. FIG. 8 is a diagram illustrating an example of covering the handle portion, and represents a cross-sectional view of the covered handle portion. 8A shows an example in which a plastic film 812 is provided around the core material 811, and FIG. 8B shows an example in which an intermediate layer 823 made of a reinforcing material is provided between the core material 821 and the plastic film 822. Show. Moreover, in FIG. 8-3, the plastic film 832 is coat | covered around the core material 831 whose cross section is circular. In any case, if a plastic layer or a plastic body is provided on both end faces in the length direction, the entire outer surface of the handle can be covered with plastic. With such a plastic coating, the handle does not have water absorption including the through-hole, and is extremely hygienic.
[0018]
In FIG. 8, the cores 811, 821, and 831 are preferably mainly made of wood, and if made of wood, light weight and relatively strong strength can be obtained. The plastic films 812, 822, and 832 can be made of any resin such as polyethylene, polypropylene, ABS, nylon, acrylic, etc., but ultrahigh molecular weight polyethylene having excellent heat resistance and wear resistance is most desirable. Furthermore, hygiene can be improved by adding an antibacterial agent to the coated plastic.
[0019]
When the handle is long or thin, it is desirable to provide an intermediate layer 823 made of a reinforcing material as shown in FIG. The reinforcing material may be glass fiber, carbon fiber reinforced plastic plate (FRP), metal plate such as aluminum, etc., but FRP plate is desirable in terms of weight. Further, as shown in FIG. 8-2, it is desirable that the reinforcing material is disposed in the four surroundings of the core material 821 from the viewpoint of strength. However, sufficient strength can be obtained only by providing the reinforcing material on any two corresponding sides.
[0020]
The handle described in each of the above embodiments can be made of wood, metal, plastic, FRP, wood as a core material and a plastic protective material on the outer periphery, and between the wood core and the plastic protective material. Any material may be used, such as those reinforced by providing the reinforcing material, and these hollow tubular bodies. Further, the cross-sectional shapes of the tubular connecting part and the handle part are arbitrary such as a circular shape, an elliptical shape, a polygonal shape such as a quadrilateral shape, etc., depending on the type and use of the tool. Further, the through hole provided in the handle portion inserted into the tubular connecting portion may be at least in one place. However, by providing a plurality of connecting holes in the length direction of the connecting portion or the handle, the strength of the connecting portion is increased. It can also be useful for adjusting the overall length.
[0021]
【The invention's effect】
As described above, according to the present invention, the attachment / detachment is easy and the nut portion into which the bolt for fixing the head portion and the handle portion is screwed can be easily cleaned, and the bolt can be removed by using a long bolt. A durable, hygienic and easy-to-use tool with a cooking handle that does not fall off during use and can be mixed with foods.
[Brief description of the drawings]
1 is a view showing an embodiment of the invention of claim 1;
FIG. 2 is a longitudinal sectional view showing an example of a tubular connecting portion.
3 is a view showing an embodiment of the invention of claim 2. FIG.
4 is a view showing an embodiment of the invention of claim 3. FIG.
FIG. 5 is a view showing an embodiment of the invention of claim 4;
FIG. 6 is a diagram showing an example of a cross-sectional shape of a core material in a tubular connecting portion.
7 is a view showing an embodiment of the invention of claim 5. FIG.
FIG. 8 is a diagram showing an example of covering a handle portion.
[Explanation of symbols]
10 Handled tool 11, 52 Head 12, 21, 53 Connecting part 13, 22, 311, 321, 331, 341, 351, 54, 70 Handle 14, 27, 55 Bolt 25, 312, 322, 332, 342 , 75 Through hole 23 Resin body 24 Metal hollow tubular body 26 Screw part 313, 323, 333, 334, 343, 353, 41-48, 76 Nut 51 Opening part 61, 62, 63, 64 Polygon 65, 66 Ellipse Forms 71, 74, 811, 821, 831 Core material 72 FRP plate 73 Ultrahigh molecular weight polyethylene layer 812, 822, 832 Plastic coating 823 Intermediate layer

Claims (7)

The head,
The handle,
A tool with a detachable and washable cooking handle having a connecting part for detachably connecting these with bolts,
The connecting portion is tubular, and a through hole is provided in a head side portion that is a portion of a handle portion inserted into the connecting portion, and a screw portion corresponding to a bolt is provided in the through hole,
The cross-sectional shape of the head side portion of the handle portion is formed into a quadrangle following the shape of the inner surface of the connecting portion,
The screw portion is formed over substantially the entire length of the through hole,
The tool with a cooking handle, wherein the bolt is configured to be screwed into the screw portion from the upper surface side of the connecting portion. The handle is made of wood as a main core, and the outer periphery of the core is covered with plastic,
The core of the head portion is formed of plastic;
The through hole is formed in the head side portion,
The tool with a cooking handle according to claim 1, wherein a nut is embedded over substantially the entire length of the through hole.   The tool with a cooking handle according to claim 2, wherein an adhesive is applied to an outer periphery of the nut.   The cross-sectional shape of only the head-side portion is a quadrangle, and the gripping portion that is the operation side portion of the handle is a different cross-sectional shape. Tool with cooking pattern.   The tool with a cooking pattern according to any one of claims 2 to 4, wherein an antibacterial agent is mixed in the plastic of the handle portion.   The cooking layer according to any one of claims 2 to 5, wherein an intermediate layer made of a reinforcing material is provided between the core material of the handle portion and the plastic covering the core material. Tool with handle. The said bolt is the structure by which the head protrudes from the upper surface of the said connection part, when it is screwed in in the said connection part, The structure in any one of Claim 1 thru | or 6 characterized by the above-mentioned. Tool with cooking pattern as described.

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