JP3137600U - Connecting chopsticks consisting of a chopstick tip and a grip - Google Patents

Abstract

[Problem] To provide a chopstick that replaces disposable chopsticks that can save wood resources by shortening the portion of the chopstick tip that picks up food, making it disposable for hygiene, and allowing the grip portion held by hand to be used repeatedly To do.
The chopstick body is divided into a chopstick tip 3 for picking food and a grip 4 for gripping by hand. The chopstick tip 3 is made of wood or bamboo, and the grip 4 is made of plastics or metal. The tip portion 4a of the portion 4 is a chopstick tip fitting portion 4b, and a concave fitting groove 5 for fitting and holding the rear end portion 3a of the chopstick tip portion 3 from both sides is provided inside the chopstick tip fitting portion 4b. The concave fitting groove 5 of the fitting portion 4b is divided into two by an axial core from the front end portion 4a to the rear end portion 4d, and the ring frame 6 is fitted to the outside of the rear end portion of the chopstick tip fitting portion 4b. The rear end portion 3a of the chopstick tip 3 is sandwiched between the divided concave fitting grooves 5 on both sides, and the concave fitting grooves 5 opened on both sides are tightened by the circular ring frame 6 moved to the tip side, thereby tightening the chopstick tip portion. Connecting chopsticks that are formed as a single chopstick body by connecting 3 and the grip portion 4.
[Selection] Figure 2

Description

  This invention relates to a chopstick used for eating. This chopstick is composed of a composite of two parts, a chopstick tip part for gripping food and a grip part for gripping with fingers. It is made of wood or bamboo, and is disposable for one-time use like conventional disposable chopsticks. The gripping part is made of plastic, and it is cleaned after use and combined with a new chopstick tip. It is related to the chopsticks that can be used repeatedly as chopsticks.

  Conventionally, disposable chopsticks include disposable chopsticks. Many of these chopsticks are provided for meals with a chopstick of chopsticks attached to a long chopsticks bag. On the other hand, a large number of disposable chopsticks left unattached to a chopstick bag may be placed on a chopstick stand and placed on a dining table. Normally, this chopsticks is processed into a chopsticks shape by separating the cedar wood and other wood that has passed through the wood from the tip side of the chopsticks to the middle along the grain, and the latter half is a part The chopsticks are integrated without being separated, and a vertical crease is provided in the center of the chopsticks so that the chopsticks can be separated and gripped with fingers. Such disposable chopsticks are made of wood having a length of about 20 cm or more, a width of about 13 mm at the gripping part, and a thickness of 5 mm.

  By the way, this disposable chopstick is once made disposable from the aspect of cost and convenience of washing the chopsticks from which food is picked. In this way, the above-mentioned disposable chopsticks made of wood having a length of about 20 cm or more are thrown away by one-time use. This is a great waste of resources, and some disposable chopsticks are used as pulp and other raw materials, but most are thrown away and incinerated. Due to the timber harvested for the production of disposable chopsticks, it will lead to depletion of the forest in the future, which may lead to global warming.

  On the other hand, some of the conventional disposable chopsticks have been improved, but for example, a built-in toothpick has been proposed, in which an insertion hole for the toothpick is provided in the vertical direction of the disposable chopsticks and the toothpick is inserted. . (For example, refer to Patent Document 1). However, this one is to insert a toothpick, but it was not intended to save wood resources for disposable chopsticks.

Registered Utility Model Publication No. 3041083

  The problem to be solved by the present invention is that the portion of the chopstick tip for picking up food is disposable from the standpoint of hygiene, as is the case with conventional disposable chopsticks. On the other hand, by making the rear end of the chopsticks gripped with fingers reusable, the traditional disposable chopsticks can be used to save resources of wood, which is the material of chopsticks, and to help prevent the depletion of forest resources. To provide alternative chopsticks.

  The means of the present invention for solving the above-mentioned problem is that, in the device of claim 1, the chopstick body 2 is formed from a chopstick tip part 3 for picking food and a grip part 4 for gripping by hand. The material of the chopstick tip 3 is made of wood or bamboo, and the material of the grip 4 is made of plastics or metal. Further, the front end 4a of the gripper 4 is formed in the chopstick tip fitting portion 4b, and the concave fitting groove 5 for fitting and holding the rear end portion 3a of the chopstick tip portion 3 from both sides is formed in the chopstick tip fitting portion 4b. Provided. A ridge 5a is formed at the longitudinal central portion of the concave fitting groove 5, and a ridge 3b to which the ridge 5a is fitted is provided at the longitudinal central portion of the rear end portion 3a of the chopstick tip 3. 3 is a joining chopstick 1 that is formed in a single chopstick body 2 by sandwiching a rear end portion 3a of 3 in a concave fitting groove 5 and connecting a chopstick tip portion 3 and a gripping portion 4.

  According to the second aspect of the present invention, the chopstick tip fitting portion 4b is divided into two by the shaft core 4i from the front end portion 4a to the rear end portion 4d side together with the inner concave fitting groove 5, and the outer peripheral surface 4c of the rear end portion 4d is formed. The moving frame 6 as the inner peripheral surface 6a is fitted to the rear portion 4e of the chopstick tip fitting portion 4b and can move between the front end portion 4a and the rear end portion 4d, and the outer peripheral surface 4c of the front end portion 4a is a ring. The ring frame 6 is larger than the inner peripheral surface 6a of the frame 6 so that the ring frame 6 is prevented from falling off from the tip portion 4a, and the rear end portion 3a of the chopstick tip portion 3 clamped in the concave fitting groove 5 of the chopstick tip fitting portion 4b is fitted with the chopstick tip. The connecting chopsticks 1 according to claim 1, wherein the chopstick tip part 3 and the gripping part 4 are connected to the front end part 4a of the joint part 4b by tightening the moving ring frame 6.

  According to the third aspect of the present invention, the gripping portion 4 is formed separately from the chopstick tip fitting portion 4b provided on the tip side thereof, and the ring frame 6 fitted to the outer peripheral surface 4c of the chopstick tip fitting portion 4b is provided with the chopstick tip. An insertion portion 4f having a size of the outer peripheral surface 4c of the chopstick tip fitting portion 4b is provided behind the ring frame 6 fitted to the rear end portion 4d. 3. The connecting chopstick 1 according to claim 2, wherein the insertion portion 4f is integrally formed in an insertion hole 4g provided in the grip portion 4.

  According to the invention of claim 4, the gripping part 4 of the means of claim 1 has an insertion hole 4g in the shaft core 4i, and a chopstick tip fitting part 4b having a concave fitting groove 5 inside is inserted into the insertion hole 4g. It is formed from the body and can be inserted and removed. Further, an engagement protrusion 4j larger than the tip of the grip portion 4 around the insertion hole 4g is integrally formed around the chopstick tip fitting portion 4b. At the same time, the rear end portion 4d of the engagement protrusion 4j of the chopstick tip fitting portion 4b inserted through the insertion hole 4g is used as a hinge-like link portion 4k, and the chopstick tip fitting portion 4b is divided into two in the direction of the axis 4i. It can be opened and closed in a direction perpendicular to the shaft core 4i. The chopstick body 2 is mounted and closed in the concave fitting groove 5 formed in the opened chopstick tip fitting portion 4b, and the closed chopstick tip fitting portion 4b is inserted into the insertion hole 4g of the grip portion 4. This is a joining chopstick 1 characterized by being formed integrally. In the invention of claim 4, the material of the grip portion 4 may be wood in addition to plastics or metal, but the material of the chopstick tip fitting portion 4b is made of plastics or metal, and the hinge-like shape described above. The link part 4k can be formed.

  The present invention is hygienic by disposing the chopstick tip made of wood or bamboo for picking food by using the above means, and the gripping part made of plastics or metal for gripping with fingers is used repeatedly. It is possible and wasteful, and the conventional disposable chopsticks are 20 cm or more in length, whereas the chopstick body of the present invention is a connecting chopstick, so the length of the chopstick tip part made of wood or bamboo is 10 It can be as short as ˜11 cm, and since the chopstick tip is a tapered portion, the amount of wood or bamboo used as a material is about one-third that of conventional chopsticks. As a result, resources can be saved and it can help to prevent depletion of forest resources. Furthermore, since the chopstick body is formed by joining the chopstick tip part and the gripping part, the present invention chopsticks have an excellent effect that has not been achieved so far, such as being able to be stored shortly and carried without being bulky.

  Embodiments of the present invention will be described below with reference to the drawings. The first embodiment of the present invention is a chopstick that replaces a conventional disposable chopstick. The chopsticks 1 of the present invention is formed on the chopstick body 2 from a chopstick tip part 3 for picking up food as shown in FIG. 1B and a gripping part 4 as shown in FIG. Yes. The material of the chopstick tip 3 is slightly tapered with a wood and bamboo corner of 3.5 mm and a length of 115 mm, and basically there is no place to replace the material of the conventional disposable chopsticks. On the other hand, the material of the gripping part 4 is made of plastic or metal made of hard ABS resin or PP resin, sometimes made of wood, and the gripping part 4 has a length of 130 mm, of which the tip part 4a of the gripping part 4 is a chopstick tip fit The joint portion 4b has a length of 30 mm and is formed of two pieces of φ6.5 mm. The gripping portion 4 has a length of 100 mm, a tip side of φ6 mm, and a rear end side of φ8.0 mm. In this way, the tip 4a of the grip 4 is formed on the chopstick tip fitting 4b. Furthermore, in order to form the chopstick body 2, the chopstick tip fitting portion 4b is divided into two parts by the shaft core 4i, and the front end side can be opened to both sides. In each half of the opened chopstick tip fitting portion 4b, a concave fitting groove 5 for fitting the chopstick tip portion 3 in half is formed. As shown in FIG. 2A, an opening 5b is formed at the rear end of the concave fitting groove 5 except for the side wall on the rear side of the concave fitting groove 5 perpendicular to the axis 4i. Thus, the rigidity of the rear end portion 4d of the chopstick tip fitting portion 4b is weakened so that the divided chopstick tip fitting portion 4b can be easily opened. The rear end portion 3a of the chopstick tip portion 3 is inserted and closed between the concave fitting grooves 5 of the opened chopstick tip fitting portions 4b, and the rear end portion 3a of the chopstick tip portion 3 is fitted and clamped. In this case, it can be seen visually that the rear end portion 3a of the chopstick tip portion 3 inserted from the opening 5b is securely inserted in the back of the concave fitting groove 5. A protrusion 5 a having a height of 0.5 mm in a direction perpendicular to the direction of the axis 4 i is formed on the bottom surface of the groove at the longitudinal center of these concave fitting grooves 5, while the rear end of the chopstick tip 3 Concave strips 3b having a depth of 0.5 mm are formed on two opposing surfaces at the longitudinal center of the portion 3a, and the chopstick tip portion 3 is firmly engaged with the chopstick tip fitting portion 4b. . Since the chopstick tip part 3 and the grip part 4 are configured as described above, the chopstick tip part 3 and the grip part 4 are connected by fitting and holding the rear end 3a of the chopstick tip part 3 in the concave fitting groove 5. Thus, the connecting chopsticks 1 of the present invention can be obtained by forming it on one chopstick body 2.

  The second embodiment is another example of the first embodiment. The connecting chopstick 1 has a gripping portion 4 and a chopstick tip fitting portion 4b, which is a tip portion 4a thereof, integrated with plastics. It is a thing. In this chopstick tip fitting portion 4b, as described above, the concave fitting groove 5 formed in the chopstick tip fitting portion 4b is pivoted from the tip portion 4a, which is the chopstick tip fitting portion 4b, toward the rear end portion 4d. The core 4i is divided into two parts. Further, a ring frame having a length of 5.0 mm, an outer diameter of 8.0 mm, and an inner diameter of 6 mm shown in FIG. 2E, in which the outer peripheral surface 4c of the rear end portion 4d of the chopstick tip fitting portion 4b is an inner peripheral surface 6a. 6 is fitted into the chopstick tip fitting portion 4b. In this case, as shown in FIG. 2 (f), the ring frame 6 is fitted to the rear part 4e of the chopstick tip fitting part 4b so as to be movable between the front end part 4a and the rear end part 4d. Yes. As described above, the chopstick tip fitting portion 4b is divided into two by the shaft core 4i so that the front end side can be opened on both sides. Therefore, as shown in FIG. 2 (a), the ring frame 6 moves from the rear to the front, so that each half of the opened chopstick tip fitting portion 4b can be seen in FIG. 2 (d). Closed. In this case, as shown in FIG. 2C, the outer peripheral surface 4c of the tip portion 4a is formed larger than the inner peripheral surface 6a of the ring frame 6, so that the ring frame 6 is the chopstick tip fitting portion 4b. It is prevented from falling off from the tip of the tip 4a. Therefore, as shown in FIG. 2 (d), the rear end portion 3a of the chopstick tip portion 3 is held in the concave fitting groove 5 of the chopstick tip fitting portion 4b, and the chopsticks as shown in FIG. 2 (a). As shown in FIGS. 2B and 2C, the chopstick tip fitting portion 4b is tightened by the ring frame 6 moved to the tip portion 4a of the tip fitting portion 4b, and the chopstick tip portion 3 and the gripping portion 4 are tightened. Are connected and formed on the chopsticks 1.

  A method for integrating the grip portion 4 and the tip portion 4a of the chopstick tip fitting portion 4b according to the second embodiment will be described. First, as shown in FIG. 3B, the hole diameter of the hole bottom 4h of the insertion hole 4g of the grip portion 4 is formed to be slightly smaller than the diameter of the inlet of the insertion hole 4g. In this case, the diameter of the insertion portion 4f at the rear portion of the chopstick tip fitting portion 4b in FIG. 3 (a) is the same diameter over the entire length, and is large enough to be inserted through the diameter of the inlet of the insertion hole 4g. After the ring frame 6 is fitted to the rear portion of the chopstick tip fitting portion 4b formed in this way, the insertion portion 4f at the rear portion of the chopstick tip fitting portion 4b is pushed into the insertion hole 4g of the grip portion 4 and joined. By this joining, the gripping part 4 and the chopstick tip fitting part 4b which is the tip part 4a are not integrated and separated.

  In the third embodiment, unlike the chopsticks 1 of the second embodiment, the gripping part 4 constituting the chopsticks 1 is formed separately from the chopstick tip fitting part 4b which is the tip part 4a. It is what is done. That is, the chopstick tip 3 shown in FIG. 4 (a) and the gripping part 4 shown in FIG. 4 (b) are separated from each other. Is to be separated into separate bodies as in the original. In this case, the ring frame 6 fitted to the outer peripheral surface 4c of the chopstick tip fitting portion 4b is also a separate body, and can be fitted to the chopstick tip fitting portion 4b from the rear end portion 4d of the chopstick tip fitting portion 4b. ing. Inserted at the back of the ring frame 6 fitted to the rear end 4d of the chopstick tip fitting portion 4b, for example, with a diameter equal to the diameter of the outer peripheral surface 4c of the chopstick tip fitting portion 4b, for example, a length of 16 mm. The portion 4f is formed integrally with the chopstick tip fitting portion 4b. On the other hand, the gripping portion 4 is formed with an insertion hole 4g having a central axis of the shaft core 4i, for example, having a length of 16 mm, having the same diameter from the inlet to the hole bottom 4h and having a diameter that allows the insertion portion 4f to be inserted and removed. Has been. When these are used as chopsticks, the insertion portion 4f on the back surface of the ring frame 6 of the chopstick tip fitting portion 4b is integrated by being inserted into the insertion hole 4g of the grip portion 4, and the rear end portion 3a of the chopstick portion 3 is further integrated. Is attached to the chopstick tip fitting portion 4b to form the connecting chopstick 1 of the third embodiment.

  In the fourth embodiment, as shown in FIGS. 5A and 5B, the grip portion 4 has an insertion hole 4g having a length of 16 mm, for example, in the shaft core 4i. As shown in FIGS. 5C and 5D, a chopstick tip fitting portion 4b having a concave fitting groove 5 therein is formed separately from the grip portion 4 in the insertion hole 4g. The fitting portion 4b can be inserted into and removed from the grip portion 4. Furthermore, the engagement ridge 4j which is about 1 mm larger than the size of the tip of the grip portion 4 around the insertion hole 4g is replaced with the movable ring frame 6 of the first to third embodiments described above, and the chopstick tip. An engaging protrusion 4j is integrally formed around the front portion of the fitting portion 4b, and the engaging protrusion 4j is a grip portion that is gripped by a finger. Further, the rear end portion of the engagement protrusion 4j of the chopstick tip fitting portion 4b that is inserted into the insertion hole 4g of the grip portion 4 is a hinge-like link portion 4k, and as shown in FIG. The portion 4b is divided into two parts by an axis 4i, and can be opened and closed in the direction indicated by an arrow 4l perpendicular to the axis 4i. A chopstick tip fitting portion 4b is inserted by inserting the rear end portion 3a of the chopstick tip portion 3 shown in FIG. 5 (e) into a concave fitting groove 5 formed in the chopstick tip fitting portion 4b in the opened state. Close. The chopstick tip fitting portion 4b which is closed by inserting the rear end portion 3a of the chopstick tip portion 3 is inserted into the insertion hole 4g of the grip portion 4 shown in FIG. ), The rear end portion 3a of the chopstick tip portion 3 is fitted into the chopstick tip fitting portion 4b, and further, these are inserted into the grip portion 4 and fitted as shown in FIG. 6 (b). Then, the chopstick body 2 is formed on the chopsticks 1. In the fourth embodiment, the material of the grip portion 4 may be wood in addition to plastics or metal. However, the material of the chopstick tip fitting portion 4b is made of plastics or metal, and the hinge-like link portion 4k has flexibility.

FIG. 2 is a side view of the chopsticks 1 of the present invention, where (a) is a side view of the chopsticks 1, and (b) is a side view of the chopstick tip 3. FIG. 6A is a diagram illustrating a portion of a chopstick tip fitting portion 4b of the connecting chopsticks 1 according to the second embodiment. FIG. 5A is a diagram in which the ring frame 6 is moved in front of the chopstick tip fitting portion 4b, and FIG. -A view from arrow A, (c) is a view from arrow BB, (d) is a sectional view taken along CC, (e) is a front view of the circular ring frame 6, (f) is a chopstick tip fitting part It is the side view which opened 4b. As the connecting chopsticks 1 of the second embodiment, (a) is a side view showing a chopstick tip fitting portion 4b for inserting the chopstick tip portion 3, and (b) is a view of the insertion hole 4g of the grip portion 4. It is a side view shown with a section of what has a diameter of bottom hole 4h a little smaller than an entrance. The chopstick tip fitting part 4b and the gripping part 4 of the connecting chopsticks 1 of the third embodiment are separately shown, (a) is a side view of the chopstick tip fitting part 4b, and (b) is a gripping part. FIG. 6 is a side view showing the section of section 4. It is a figure which shows what separated the chopstick-tip fitting part 4b and the holding part 4 of the joining chopstick 1 of 4th Embodiment, (a) is the front view which looked at the holding part 4 from the front end side, b) is a side view showing the cross section of the gripping portion 4, (c) is a front view seen from the front end side of the chopstick tip fitting portion 4b, and (d) is a side view showing a cross section of the chopstick tip fitting portion 4b. (E) is a side view of the chopstick tip 3. As a connecting chopstick 1 of the fourth embodiment, (a) is a side view showing a chopstick tip fitting portion 4b to which a chopstick tip portion 3 is inserted, and (b) is a chopstick tip to which the chopstick tip portion 3 is inserted. FIG. 5 is a side view showing a cross-section of the fitting portion 4b that is inserted into and integrated with the grip portion 4 to form a contact chopstick 1;

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Contact chopsticks 2 Chopstick body 3 Chopstick tip part 3a Rear end part 3b Recessed strip 4 Gripping part 4a Tip part 4b Chopstick tip fitting part 4c Outer peripheral surface 4d Rear end part (of chopstick tip fitting part 4b)
4e Rear part (of chopstick tip fitting part 4b)
4f Insertion part 4g Insertion hole 4h Hole bottom 4i Shaft core 4j Engagement protrusion 4k Hinge-like link part 4l Arrow 5 Concave fitting groove 5a Projection 5b Opening part 6 Ring frame 6a Inner peripheral surface

Claims (4)

  The chopstick body 2 is formed from a chopstick tip 3 for picking food and a grip 4 for gripping by hand, and the material of the chopstick tip 3 is made of wood or bamboo, and the material of the grip 4 is made of plastics or metal. The front end 4a of the gripper 4 is formed in the chopstick tip fitting portion 4b, and the concave fitting groove 5 for fitting and holding the rear end portion 3a of the chopstick tip portion 3 from both sides to the chopstick tip fitting portion 4b. And forming a protrusion 5a at the longitudinal center of the concave fitting groove 5 and a recess 3b into which the protrusion 5a is fitted at the longitudinal center of the rear end 3a of the chopstick tip 3. A connecting chopstick 1 having a chopstick tip 3 which is formed in a single chopstick body 2 by sandwiching a rear end 3a of the chopstick tip 3 in a concave fitting groove 5 and connecting the chopstick tip 3 and the grip 4 together.   The chopstick tip fitting portion 4b is divided into two by the shaft core 4i from the front end portion 4a to the rear end portion 4d together with the inner concave fitting groove 5, and the outer peripheral surface 4c of the rear end portion 4d is the inner peripheral surface 6a. The frame 6 is fitted to the rear part 4e of the chopstick tip fitting part 4b and can move between the front end part 4a and the rear end part 4d, and the outer peripheral surface 4c of the front end part 4a is the inner peripheral surface 6a of the ring frame 6. Larger, the ring frame 6 is prevented from falling off from the tip portion 4a, and the rear end portion 3a of the chopstick tip portion 3 clamped in the concave fitting groove 5 of the chopstick tip fitting portion 4b is connected to the tip portion 4a of the chopstick tip fitting portion 4b. The chopsticks 1 according to claim 1, wherein the chopstick tip part 3 and the grip part 4 are connected to each other by tightening the ring frame 6.   The grip portion 4 is formed separately from the chopstick tip fitting portion 4b provided on the tip side thereof, and the ring frame 6 fitted to the outer peripheral surface 4c of the chopstick tip fitting portion 4b is the rear end of the chopstick tip fitting portion 4b. It is fitted from the portion 4d, and has an insertion portion 4f having the size of the outer peripheral surface 4c of the chopstick tip fitting portion 4b behind the ring frame 6 fitted to the rear end portion 4d. The chopsticks 1 according to claim 2, wherein 4f is integrally formed by being inserted into an insertion hole 4g provided in the grip portion 4.   The grip portion 4 according to claim 1 has an insertion hole 4g in the shaft core 4i, and a chopstick tip fitting portion 4b having a concave fitting groove 5 in the insertion hole 4g is formed separately and is detachable. And an engagement protrusion 4j larger than the size of the tip of the gripping portion 4 around the insertion hole 4g is integrally formed around the chopstick tip fitting portion 4b, and the chopstick tip fitting inserted through the insertion hole 4g The rear end portion 4d of the engagement protrusion 4j of the portion 4b is a hinge-like link portion 4k, and the chopstick tip fitting portion 4b is divided into two in the direction of the axis 4i so that it can be opened and closed in a direction perpendicular to the axis 4i. The chopstick body 2 is mounted and closed in the concave fitting groove 5 formed in the chopstick tip fitting portion 4b in the state of being closed, and the closed chopstick tip fitting portion 4b is inserted into and integrated with the insertion hole 4g of the grip portion 4. A chopstick 1 that is formed.

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