JP3163698U

JP3163698U - Cover body attached to the hole forming tool

Info

Publication number: JP3163698U
Application number: JP2010005455U
Authority: JP
Inventors: 平沢　修; 修平沢
Original assignee: 有限会社ヒラサワ
Priority date: 2010-08-13
Filing date: 2010-08-13
Publication date: 2010-10-28
Anticipated expiration: 2020-08-13

Abstract

【課題】持ち運ぶ際など安全であり、しかも、刃体が変形して切れ味が悪くなってしまうこともなく、更に、ビニールに形成した孔から露出する畝に有底筒状部を押し込むだけで最適な深さの種蒔き用の凹所が簡易且つ確実に得られる孔形成長具に付設するカバー体を提供する。【解決手段】田畑の畝を覆うビニールなどのフィルムに孔を形成するための刃体を筒状本体１の先端開口縁に設けた孔形成具に付設されるものであって、前記筒状本体１の先端部に被嵌する筒状の被嵌部６と、この被嵌部６の先端部に段部を介して連設され当該被嵌部６よりも径小の有底筒状部８とを有し、この有底筒状部８は前記畝に押し込まれることで該畝に種蒔き用の凹所を形成する凹所形成体として構成されている。【選択図】図２[PROBLEMS] It is safe when carrying, and the blade body is not deformed and the sharpness is not deteriorated. Furthermore, it is optimal only by pushing the bottomed cylindrical part into the ridge exposed from the hole formed in the vinyl. Provided is a cover body that is attached to a hole forming tool in which a recess for seeding with a sufficient depth can be obtained easily and reliably. A cylindrical body is provided with a blade for forming a hole in a film of vinyl or the like covering a field wall. A cylindrical fitting portion 6 fitted to the tip portion of the first portion, and a bottomed cylindrical portion 8 which is connected to the tip portion of the fitting portion 6 via a step portion and has a diameter smaller than that of the fitting portion 6. The bottomed cylindrical portion 8 is configured as a recess forming body that is pressed into the ridge to form a recess for sowing seeds in the ridge. [Selection] Figure 2

Description

本考案は、田畑の畝を覆うビニールに孔を形成するための孔形成具に付設するカバー体に関するものである。 The present invention relates to a cover body attached to a hole forming tool for forming a hole in vinyl covering a straw of Tabata.

従来から、田畑の畝を覆うビニールに孔を形成するためのもので、例えば実用新案登録第３１２４７７３号に開示されるような孔形成具（以下、従来例）が提案されている。 Conventionally, there has been proposed a hole forming tool (hereinafter referred to as a conventional example) as disclosed in Utility Model Registration No. 3124773, which is used for forming a hole in a vinyl covering the straw of Tabata.

この従来例は、後端に握持部を設けた筒状本体の先端開口縁に先鋭刃体を多数設けたもので、握持部を握持して筒状本体を畝に差し込むことで畝を覆うビニールに孔を形成することができる。 This conventional example is provided with a number of sharp blades at the opening edge of the front end of a cylindrical main body provided with a gripping portion at the rear end. By gripping the gripping portion and inserting the cylindrical main body into the scissors, A hole can be formed in the vinyl covering.

実用新案登録第３１２４７７３号公報Utility Model Registration No. 3124773

ところで、この従来例は、刃体が露出している為、持ち運ぶ際など非常に危険であり、また、従来例を硬質な場所に載置した際など、その衝撃で刃が変形して切れ味が悪くなるという問題点がある。 By the way, this conventional example is very dangerous when carrying it because the blade body is exposed, and when the conventional example is placed in a hard place, the blade is deformed by the impact and sharpness is lost. There is a problem of getting worse.

また、従来例でビニールに孔を形成した後、この孔から露出する畝部分に種蒔き用の凹所を形成するが、従来においてこの凹所を形成する場合には、別途用意した瓶や缶などの底部を畝に押し付けることで凹所を形成しており、孔形成具の他にも別途これら用具を持ち歩かなければならず非常に厄介である。また、これら凹所を形成する用具が単なる円柱形状のものである為、押し込む力が強過ぎると深い凹所になってしまうなど、畝に形成される凹所の深さが安定せず、しかも、この点を気にしながらの作業となるため作業性が非常に悪い。 In addition, after forming a hole in the vinyl in the conventional example, a recess for sowing is formed in the ridge portion exposed from this hole. In the conventional case, when this recess is formed, a separately prepared bottle or can The recesses are formed by pressing the bottom of the tool against the heel, and it is very troublesome to carry these tools separately in addition to the hole forming tool. In addition, since the tool for forming these recesses has a simple cylindrical shape, the depth of the recesses formed in the heel is not stable, such as a deep recess if the force to push in is too strong. The workability is very poor because the work is performed while taking this into consideration.

本考案者は、前述した問題点に着目し、種々の研究を繰り返し行った結果、非常に便利で従来にない作用効果を発揮する画期的な孔形成具に付設するカバー体を考案した。 As a result of repeating various studies, the inventor has devised a cover body attached to an epoch-making hole forming tool that exhibits a very convenient and unprecedented effect.

添付図面を参照して本考案の要旨を説明する。 The gist of the present invention will be described with reference to the accompanying drawings.

田畑の畝３を覆うビニールなどのフィルム20に孔20ａを形成するための刃体２を筒状本体１の先端開口縁に設けた孔形成具５に付設されるものであって、前記筒状本体１の先端部に被嵌する筒状の被嵌部６と、この被嵌部６の先端部に段部７を介して連設され当該被嵌部６よりも径小の有底筒状部８とを有し、この有底筒状部８は前記畝３に押し込まれることで該畝３に種蒔き用の凹所３ａを形成する凹所形成体として構成されていることを特徴とする孔形成具に付設するカバー体に係るものである。 A blade body 2 for forming a hole 20a in a film 20 such as vinyl covering the ridge 3 of the tabata is attached to a hole forming tool 5 provided at the edge of the opening of the tubular body 1, and the tubular shape A cylindrical fitting portion 6 fitted to the distal end portion of the main body 1, and a bottomed cylindrical shape connected to the distal end portion of the fitting portion 6 via a step portion 7 and having a diameter smaller than that of the fitted portion 6. The bottomed cylindrical portion 8 is configured as a recess forming body that is pressed into the ridge 3 to form a recess 3a for sowing seeds in the ridge 3. The present invention relates to a cover body attached to the hole forming tool.

また、請求項１記載の孔形成具に付設するカバー体において、前記段部７は、前記被嵌部６を前記筒状本体１に被嵌した際、前記筒状本体１の刃体２を受ける刃体受け部として構成されていることを特徴とする孔形成具に付設するカバー体に係るものである。 Further, in the cover body attached to the hole forming tool according to claim 1, when the stepped portion 7 is fitted on the tubular main body 1, the stepped portion 7 holds the blade body 2 of the tubular main body 1. The present invention relates to a cover body attached to a hole forming tool that is configured as a receiving blade body receiving portion.

また、請求項１，２いずれか１項に記載の孔形成具に付設するカバー体において、前記被嵌部６の内周面には凸状部６ａが設けられ、この凸状部６ａは、前記筒状本体１に前記被嵌部６を被嵌した際、前記筒状本体１の外周面に圧接して前記被嵌部６が前記筒状本体１から脱落することを防止するものであることを特徴とする孔形成具に付設するカバー体に係るものである。 Further, in the cover body attached to the hole forming tool according to any one of claims 1 and 2, a convex portion 6a is provided on the inner peripheral surface of the fitted portion 6, and the convex portion 6a is When the fitting part 6 is fitted on the cylindrical main body 1, the fitting part 6 is pressed against the outer peripheral surface of the cylindrical main body 1 to prevent the fitting part 6 from falling off the cylindrical main body 1. The present invention relates to a cover body attached to the hole forming tool.

また、請求項１〜３いずれか１項に記載の孔形成具に付設するカバー体において、前記被嵌部６と前記有底筒状部８は一体成形されていることを特徴とする孔形成具に付設するカバー体に係るものである。 Moreover, the cover body attached to the hole formation tool of any one of Claims 1-3 WHEREIN: The said to-be-fitted part 6 and the said bottomed cylindrical part 8 are integrally molded, The hole formation characterized by the above-mentioned. This relates to the cover body attached to the tool.

本考案は上述のように構成したから、孔形成具に付設するだけで、該孔形成具の刃体が覆われることになるから、例えば持ち運ぶ際など安全であり、しかも、刃体が変形して切れ味が悪くなってしまうこともなく、そして更に、ビニールに形成した孔から露出する畝に有底筒状部を押し込むだけで最適な深さの種蒔き用の凹所が簡易且つ確実に得られることになるなど従来にない作用効果を発揮する画期的な孔形成具に付設するカバー体となる。 Since the present invention is configured as described above, the blade body of the hole forming tool is covered only by being attached to the hole forming tool, so that it is safe, for example, when being carried, and the blade body is deformed. In addition, the recess for seeding with the optimum depth can be obtained easily and reliably by simply pushing the bottomed cylindrical part into the ridge exposed from the hole formed in the vinyl. The cover body is attached to an epoch-making hole forming tool that exhibits an unprecedented action and effect.

また、請求項２記載の考案においては、前述した種まき用の凹所を形成する際に秀れた作用効果を発揮する段部が、孔形成具にカバー体を付設した際に刃体を受ける機能も発揮することになり、機能兼用により効率の良い構造であるなど従来にない作用効果を発揮する画期的な孔形成具に付設するカバー体となる。 Further, in the invention according to claim 2, the step portion which exhibits an excellent effect when forming the above-mentioned recess for seeding receives the blade when the cover body is attached to the hole forming tool. The cover body attached to an epoch-making hole forming tool that exhibits an unprecedented function and effect, such as an efficient structure by combining functions, will also be exhibited.

また、請求項３記載の考案においては、被嵌部が筒状本体から不意に脱落したりせず、刃体が覆われた安全な状態を維持することができるなど従来にない作用効果を発揮する画期的な孔形成具に付設するカバー体となる。 Further, in the invention according to claim 3, an unprecedented effect such as that the fitted portion does not unexpectedly fall off from the cylindrical main body and the blade body is covered and can be maintained in a safe state is exhibited. It becomes the cover body attached to the innovative hole forming tool.

また、請求項４記載の考案においては、簡易構造にして量産性に秀れるなど従来にない作用効果を発揮する画期的な孔形成具に付設するカバー体となる。 Further, in the invention described in claim 4, the cover body is attached to an epoch-making hole forming tool that exhibits an unprecedented effect such as a simple structure and excellent mass productivity.

本実施例の使用状態説明図である。It is use condition explanatory drawing of a present Example. 本実施例を示す斜視図である。It is a perspective view which shows a present Example. 本実施例を示す分解斜視図である。It is a disassembled perspective view which shows a present Example. 本実施例に係る要部の説明断面図である。It is explanatory sectional drawing of the principal part which concerns on a present Example. 本実施例に係る要部の動作説明図である。It is operation | movement explanatory drawing of the principal part which concerns on a present Example. 本実施例に係る要部の動作説明図である。It is operation | movement explanatory drawing of the principal part which concerns on a present Example. 種蒔き用凹所の説明断面図である。It is explanatory sectional drawing of the recess for sowing. 種蒔き用凹所に種を蒔いた状態の説明断面図である。It is explanatory sectional drawing of the state which seeded the recess for seed sowing.

好適と考える本考案の実施形態を、図面に基づいて本考案の作用を示して簡単に説明する。 The preferred embodiment of the present invention will be briefly described with reference to the drawings showing the operation of the present invention.

本考案に係るカバー体の被嵌部６を孔形成具５の筒状本体１に被嵌させると、孔形成具５の刃体２は覆われた状態となり、よって、例えば持ち運ぶ際など安全であり、しかも、孔形成具５を載置した際などに刃体２が変形して切れ味が悪くなることも防止できる。 When the fitting portion 6 of the cover body according to the present invention is fitted on the cylindrical main body 1 of the hole forming tool 5, the blade body 2 of the hole forming tool 5 is covered, so that it is safe, for example, when being carried. In addition, it is possible to prevent the blade body 2 from being deformed when the hole forming tool 5 is placed and the sharpness being deteriorated.

また、孔形成具５を用いて畝３を覆うビニールなどのフィルム20に孔20ａを形成し、この孔20ａから露出する畝３に本考案に係るカバー体を用いて種蒔き用の凹所３ａを形成できる。 Moreover, the hole 20a is formed in the film 20 such as vinyl covering the ridge 3 using the hole forming tool 5, and the recess 3a for sowing using the cover body according to the present invention is formed on the ridge 3 exposed from the hole 20a. Can be formed.

具体的には、本考案に係るカバー体を孔形成具５から取り外し、筒状本体１を畝３に差し込んで引き抜くと、畝３を覆うフィルム20には孔20ｂが形成される。 Specifically, when the cover body according to the present invention is removed from the hole forming tool 5 and the cylindrical main body 1 is inserted and pulled out from the flange 3, a hole 20 b is formed in the film 20 covering the flange 3.

このフィルム20の孔20ａから露出する畝３に種蒔き用の凹所３ａを形成する場合には、例えば本考案に係るカバー体の被嵌部６を筒状本体１に被嵌させた付設状態とし、この状態で有底筒状部８を畝３に押し込むことで該畝３に種蒔き用の凹所３ａが形成される。尚、本考案に係るカバー体を孔形成具５に付設状態とせず、被嵌部６を直接手で持つなどして有底筒状部８を畝３に押し込んで該畝３に種蒔き用の凹所３ａを形成するようにしても良い。 When the recess 3a for sowing is formed in the ridge 3 exposed from the hole 20a of the film 20, for example, an attached state in which the fitted portion 6 of the cover body according to the present invention is fitted to the cylindrical main body 1 In this state, by pushing the bottomed cylindrical portion 8 into the ridge 3, a recess 3a for seeding is formed in the ridge 3. The cover body according to the present invention is not attached to the hole forming tool 5, and the bottomed cylindrical portion 8 is pushed into the heel 3 by directly holding the fitted portion 6 by hand, for example. The recess 3a may be formed.

この有底筒状部８を畝３に押し込む際、有底筒状部８は被嵌部６よりも径小であるから、フィルム20の孔20ａに引っ掛けることなく露出する畝３を狙って良好に押し込ませることができる。 When the bottomed tubular portion 8 is pushed into the flange 3, the bottomed tubular portion 8 is smaller in diameter than the fitted portion 6, so that it is good to aim at the flange 3 exposed without being caught in the hole 20a of the film 20. Can be pushed into.

また、この有底筒状部８を畝３に押し込んだ際、有底筒状部８と被嵌部６との間の段部３が押し込みに対する抵抗となり、この際、押し込みを止めることで、畝３には有底筒状部８の高さ分の深さの種蒔き用の凹所３ａが形成される。つまり、有底筒状部８の高さを種蒔き用の凹所３ａに最適な深さとなるように設定しておけば、常に最適な深さの種蒔き用の凹所３ａが簡易且つ確実に得られることになる。 Further, when the bottomed tubular portion 8 is pushed into the flange 3, the stepped portion 3 between the bottomed tubular portion 8 and the fitted portion 6 becomes resistance against pushing, and at this time, by stopping pushing, A recess 3a for sowing seeds having a depth corresponding to the height of the bottomed cylindrical portion 8 is formed in the ridge 3. That is, if the height of the bottomed cylindrical portion 8 is set to an optimum depth for the seeding recess 3a, the seeding recess 3a having the optimum depth is always simple and reliable. Will be obtained.

本考案の具体的な一実施例について図面に基づいて説明する。 A specific embodiment of the present invention will be described with reference to the drawings.

本実施例は、田畑の畝３を覆うビニールなどのフィルム20に孔20ａを形成する刃体２を筒状本体１の先端開口縁に設けた孔形成具５に付設されるカバー体４である。 The present embodiment is a cover body 4 attached to a hole forming tool 5 provided with a blade body 2 for forming a hole 20a in a film 20 such as vinyl covering a basket 3 of Tabata at the tip opening edge of a cylindrical main body 1. .

具体的には、孔形成具５は、田畑の畝３を覆うフィルム20に孔20ａを形成するためのものであって、先端開口縁に刃体２を設けた筒状本体１内に、この筒状本体１を畝３に差し込んだ際、刃体２により切断されて形成されるフィルム片20ｂに刺入係止する刺入係止体９を有するものである。 Specifically, the hole forming tool 5 is for forming a hole 20a in the film 20 covering the ridge 3 of Tabata, and this is formed in the cylindrical main body 1 provided with the blade body 2 at the opening edge of the tip. When the cylindrical main body 1 is inserted into the flange 3, it has the insertion locking body 9 that inserts and locks into the film piece 20b formed by being cut by the blade body 2.

筒状本体１は、図２，３に図示したように適宜な金属製（ステンレス製）の板材を曲げ加工により円筒状に形成したものであり、その径は畝３を覆うフィルム20に形成する孔20ａを考慮して適宜設定されている。尚、筒状本体１は成形品でも良く、また、合成樹脂製でも良い。 As shown in FIGS. 2 and 3, the cylindrical main body 1 is formed by bending a suitable metal (stainless steel) plate material into a cylindrical shape, and the diameter thereof is formed on a film 20 covering the flange 3. It is appropriately set in consideration of the hole 20a. The cylindrical main body 1 may be a molded product or may be made of a synthetic resin.

また、筒状本体１の先端開口縁は、山部と谷部とが交互に連続する波形状（ギザギザ形状）に形成されており、各山部が先鋭の刃体２として構成されている。 Moreover, the front-end opening edge of the cylindrical main body 1 is formed in a wave shape (a jagged shape) in which crests and troughs continue alternately, and each crest is configured as a sharp blade 2.

また、筒状本体１の後端部には握持部10が設けられている。 Further, a gripping portion 10 is provided at the rear end portion of the cylindrical main body 1.

この握持部10は、図２，３に図示したように筒状本体１の後端開口部１ａの対向位置同士間に後方に突出状態で架設されるコ字状の架設体10で構成されている。 As shown in FIGS. 2 and 3, the gripping portion 10 is constituted by a U-shaped erected body 10 that is erected in a protruding state between the opposing positions of the rear end opening 1 a of the cylindrical body 1. ing.

具体的には、架設体10は、適宜な金属製（ステンレス製）の板材を折曲形成したものであり、筒状本体１の後端開口縁の対向位置に溶接され後方に突出する左右の縦材10Ａと、この縦材10Ａ同士の間に横設される横材10Ｂとで構成され、この横材10Ｂは、握持する部位として機能する他、後述する刺入係止体９を連結する部位として機能する。尚、握持部10は筒状本体１と一体成形しても良く、また、合成樹脂製でも良い。符号10ａは架設体10（縦材10Ａ及び横材10Ｂ）の表面にプレスにより突出形成される凸条からなる補強リブである。 Specifically, the erection body 10 is formed by bending an appropriate metal (stainless steel) plate material, and is welded to a position facing the rear end opening edge of the cylindrical body 1 and protrudes rearward. The cross member 10A is composed of a cross member 10B and a cross member 10B provided between the vertical members 10A. The cross member 10B functions as a gripping portion, and also connects an insertion lock body 9 to be described later. It functions as a part to do. The gripping part 10 may be integrally formed with the cylindrical main body 1 or made of synthetic resin. Reference numeral 10a is a reinforcing rib made of ridges protruding from the surface of the erected body 10 (vertical member 10A and cross member 10B).

刺入係止体９は、筒状本体１に着脱自在に設けられるとともに、筒状本体１の後端開口部１ａから取出し自在に設けられている。 The insertion locking body 9 is detachably provided on the cylindrical main body 1 and is detachably provided from the rear end opening 1 a of the cylindrical main body 1.

具体的には、この刺入係止体９は、図３に図示したように適宜な金属製（ステンレス製）の部材で形成したものであり、所定間隔を介して並設される一対の棒状体９ａ夫々の先端部に先鋭の刺入部９ｂを設けたものである。尚、棒状体９ａの数は単数でも複数でも良いが、複数設けた方が畝３を覆うフィルム20に安定して良好に刺入される。 Specifically, the insertion locking body 9 is formed of an appropriate metal (stainless steel) member as shown in FIG. 3, and is a pair of rods arranged side by side at a predetermined interval. A sharp insertion portion 9b is provided at the tip of each body 9a. Although the number of the rod-like bodies 9a may be singular or plural, the provision of a plurality of the rod-shaped bodies 9a allows stable and good insertion into the film 20 covering the ridge 3.

この刺入部９ｂは、正面視三角形状の板状体であり、この板状体の角が先端に位置するように底辺が棒状体９ａに連設されており、この棒状体９ａとの連設部位は該棒状体９ａの径よりも巾広に設定されて係止部９ｂ'が形成されている。 The insertion portion 9b is a plate-like body having a triangular shape when viewed from the front, and the bottom is connected to the rod-like body 9a so that the corner of the plate-like body is located at the tip, and is connected to the rod-like body 9a. The installation site is set wider than the diameter of the rod-shaped body 9a to form a locking portion 9b '.

従って、刺入部９ｂを畝３を覆うフィルム20に刺入（貫通）させた際、棒状体９ａから抜けようとしてもフィルム片20ｂは係止部９ｂ'に係止する。 Therefore, when the insertion portion 9b is inserted (penetrated) into the film 20 covering the heel 3, the film piece 20b is locked to the locking portion 9b ′ even if it tries to come out from the rod-like body 9a.

また、刺入係止体９（棒状体９ａ）の後端部には握持部10に着脱自在となる取付部11が設けられている。 Further, a mounting portion 11 that is detachably attached to the gripping portion 10 is provided at the rear end portion of the insertion locking body 9 (bar-shaped body 9a).

具体的には、取付部11は、図２，３に図示したように適宜な金属製（ステンレス製）の板材をコ字状に折り返し形成したものであり、前述した握持部10に係る架設体10（横材10Ｂ）に対して挟持連結する構造である。 Specifically, the attachment portion 11 is formed by folding an appropriate metal (stainless steel) plate material into a U shape as shown in FIGS. This is a structure in which the body 10 (cross member 10B) is sandwiched and connected.

この取付部11は、架設体10に対して弾性作用を伴い挟持連結する構造である。即ち、架設体10に対して挟持した際の弾性作用は、取付部11の形状設定により発揮されるように構成されている。 The attachment portion 11 is structured to be sandwiched and connected to the installation body 10 with an elastic action. That is, the elastic action when sandwiched with respect to the construction body 10 is configured to be exhibited by setting the shape of the mounting portion 11.

また、取付部11は、握持部10に挟持連結した際、握持部10に設けた補強リブ10ａに狭小部が挟み込み係止するように構成されており、即ち、補強リブ10ａは取付部11から握持部10が不意に抜け脱するのを阻止するストッパーとしての機能も発揮される。 The attachment portion 11 is configured such that when the gripping portion 10 is clamped and connected, the narrow portion is sandwiched and locked with the reinforcing rib 10a provided on the gripping portion 10, that is, the reinforcing rib 10a is attached to the attachment portion. A function as a stopper that prevents the gripping part 10 from unexpectedly coming off from 11 is also exhibited.

以上の構成から成る筒状本体１に対する刺入係止体９を装着する場合、握持部10を避けるようにして筒状本体１の後端開口部１ａから刺入係止体９を斜め状態で筒状本体１内に配し、握持部10に係る横材10Ｂに取付部11を側方から挟持させて連結する。尚、筒状本体１から刺入係止体９を取り外す際は逆の動作を行う。 When the insertion locking body 9 for the cylindrical main body 1 having the above configuration is mounted, the insertion locking body 9 is inclined from the rear end opening 1a of the cylindrical main body 1 so as to avoid the gripping portion 10. Then, it is arranged in the cylindrical main body 1 and attached to the cross member 10B according to the gripping part 10 by sandwiching the attachment part 11 from the side. In addition, when removing the insertion locking body 9 from the cylindrical main body 1, the reverse operation | movement is performed.

カバー体４は、筒状本体１の先端部に被嵌する被嵌部６と、この被嵌部６の先端部に段部７を介して連設され当該被嵌部６よりも径小の有底筒状部８とを有するものである。 The cover body 4 is provided with a fitting portion 6 fitted to the distal end portion of the cylindrical main body 1, and is connected to the distal end portion of the fitting portion 6 via a stepped portion 7 and has a smaller diameter than the fitted portion 6. It has a bottomed cylindrical portion 8.

具体的には、カバー体４は、図２〜４に図示したように適宜な合成樹脂製の部材で成形された円筒体であり、被嵌部６と有底筒状部８とは一体成形されている。 Specifically, the cover body 4 is a cylindrical body formed of an appropriate synthetic resin member as illustrated in FIGS. 2 to 4, and the fitted portion 6 and the bottomed tubular portion 8 are integrally formed. Has been.

被嵌部６の内孔は筒状本体１の外径より若干大きな径に設定され、被嵌部６は筒状本体１の先端部に被嵌し得るように構成されている。 The inner hole of the fitted portion 6 is set to have a diameter slightly larger than the outer diameter of the cylindrical main body 1, and the fitted portion 6 is configured to be fitted to the distal end portion of the cylindrical main body 1.

また、被嵌部６の内周面にして等間隔の所定位置には複数の凸状部６ａが設けられ、この各凸状部６ａは、筒状本体１に被嵌部６を被嵌した際、筒状本体１の外周面に圧接する突出度合いに設定されている。つまり、この凸状部６ａは、筒状本体１に被嵌部６を被嵌した際、筒状本体１の外周面に圧接して被嵌部６が筒状本体１から脱落することを防止するものである。 Further, a plurality of convex portions 6 a are provided at predetermined positions at equal intervals on the inner peripheral surface of the fitted portion 6, and each convex portion 6 a is fitted to the tubular body 1 with the fitted portion 6. At this time, the protrusion degree is set to be pressed against the outer peripheral surface of the cylindrical main body 1. That is, when the fitting portion 6 is fitted on the cylindrical main body 1, the convex portion 6 a is pressed against the outer peripheral surface of the cylindrical main body 1 to prevent the fitting portion 6 from falling off the cylindrical main body 1. To do.

また、被嵌部６の先端には縮径方向に段差面７ａを有する環状の段部７が形成されており、この段部７の段差面７ａは、被嵌部６を筒状本体１に被嵌した際、筒状本体１の先端開口縁に形成された刃体２を受ける刃体受け部として構成されている。 An annular step 7 having a stepped surface 7 a in the direction of diameter reduction is formed at the tip of the fitted portion 6, and the stepped surface 7 a of the stepped portion 7 attaches the fitted portion 6 to the cylindrical main body 1. When fitted, it is configured as a blade receiving portion that receives the blade 2 formed at the leading edge of the cylindrical body 1.

また、段部７には有底筒状部８が連設されている。 Further, a bottomed cylindrical portion 8 is connected to the step portion 7.

有底筒状部８は、段部７の内縁に垂設される筒部８ａと、この筒部８ａの下端開口部を閉塞する底部８ｂとで構成されている。 The bottomed cylindrical portion 8 includes a cylindrical portion 8a that is suspended from the inner edge of the stepped portion 7, and a bottom portion 8b that closes the lower end opening of the cylindrical portion 8a.

この有底筒状部８は、畝３に押し込まれることで該畝３に種蒔き用の凹所３ａを形成する凹所形成体として構成されており、この有底筒状部８の径は前述した被嵌部６よりも径小に設定されており、また、被嵌部６（段部７の外面７ｂ）からの高さは、種蒔き用の凹所３ａの深さが考慮された高さとなるように設定されている。 The bottomed cylindrical portion 8 is configured as a recess forming body that forms a recess 3a for seeding in the ridge 3 by being pushed into the ridge 3, and the diameter of the bottomed cylindrical portion 8 is The diameter is set to be smaller than that of the fitted portion 6 described above, and the height from the fitted portion 6 (the outer surface 7b of the stepped portion 7) takes into account the depth of the recess 3a for sowing. It is set to be high.

本実施例は上述のように構成したから、カバー体４の被嵌部６を孔形成具５の筒状本体１に被嵌させると、孔形成具５の刃体２は覆われた状態となる。 Since the present embodiment is configured as described above, when the fitted portion 6 of the cover body 4 is fitted to the cylindrical main body 1 of the hole forming tool 5, the blade body 2 of the hole forming tool 5 is covered. Become.

また、孔形成具５を用いて畝３を覆うフィルム20に孔20ａを形成し、この孔20ａから露出する畝３に本考案に係るカバー体を用いて種蒔き用の凹所３ａを形成できる。 Moreover, the hole 20a is formed in the film 20 which covers the eaves 3 using the hole forming tool 5, and the recess 3a for seeding can be formed in the eaves 3 exposed from the hole 20a using the cover body according to the present invention. .

具体的には、本考案に係るカバー体を孔形成具５から取り外し、筒状本体１を畝３に差し込んで引き抜くと、畝３を覆うフィルム20には孔20ａが形成される。 Specifically, when the cover body according to the present invention is removed from the hole forming tool 5 and the cylindrical main body 1 is inserted and pulled out from the flange 3, a hole 20 a is formed in the film 20 covering the flange 3.

この筒状本体１を畝３に差し込んだ際、筒状本体１の刃体２で切断されたフィルム片20ｂには刺入係止体９が刺入され、畝３から筒状本体１を引き抜いた際には刺入係止体９にはフィルム片20ｂが係止されており（図５参照）、例えば、畝３を覆うフィルム20に連続して複数の孔20ａを形成した場合、刺入係止体９には複数のフィルム片20ｂが係止される。 When this cylindrical main body 1 is inserted into the flange 3, the insertion locking body 9 is inserted into the film piece 20 b cut by the blade body 2 of the cylindrical main body 1, and the cylindrical main body 1 is pulled out from the flange 3. In this case, a film piece 20b is locked to the insertion locking body 9 (see FIG. 5). For example, when a plurality of holes 20a are formed continuously in the film 20 covering the heel 3, A plurality of film pieces 20 b are locked to the locking body 9.

この刺入係止体９に係止されたフィルム片20ｂを除去する場合、刺入係止体９を筒状本体１から取り外すとともに、筒状本体１の後端開口部１ａから取り出してフィルム片20ｂを除去する。 When removing the film piece 20b locked to the insertion locking body 9, the insertion locking body 9 is removed from the cylindrical main body 1 and taken out from the rear end opening 1a of the cylindrical main body 1 to remove the film piece. Remove 20b.

また、このフィルム20の孔20ａから露出する畝３に種蒔き用の凹所３ａを形成する場合には、例えばカバー体４の被嵌部６を筒状本体１に被嵌させた付設状態とし、この状態で有底筒状部８を畝３に押し込むことで該畝３に種蒔き用の凹所３ａが形成される（図６，７参照）。 Further, when the recess 3a for sowing is formed in the ridge 3 exposed from the hole 20a of the film 20, for example, the attachment portion 6 of the cover body 4 is attached to the cylindrical main body 1. In this state, by pushing the bottomed cylindrical portion 8 into the ridge 3, a recess 3a for seeding is formed in the ridge 3 (see FIGS. 6 and 7).

その後、種蒔き用の凹所３ａに種12を蒔き、土で埋め戻す（図８参照）。 Thereafter, seed 12 is planted in the seeding recess 3a and backfilled with soil (see FIG. 8).

よって、本実施例によれば、カバー体４を孔形成具５に付設するだけで、該孔形成具５の刃体２が覆われることになるから、例えば持ち運ぶ際など安全であり、しかも、刃体２が変形して切れ味が悪くなってしまうこともなく、そして更に、フィルム20に形成した孔20ａから露出する畝３に押し込むだけで最適な深さの種蒔き用の凹所３ａが簡易且つ確実に得られることになる。 Therefore, according to the present embodiment, just by attaching the cover body 4 to the hole forming tool 5, the blade body 2 of the hole forming tool 5 is covered, so that it is safe to carry, for example, The blade 2 is not deformed and the sharpness is not deteriorated. Further, the recess 3a for seeding with the optimum depth can be simply obtained by simply pushing the blade 2 exposed from the hole 20a formed in the film 20. And it will surely be obtained.

また、本実施例は、段部７は、被嵌部６を筒状本体１に被嵌した際、筒状本体１の刃体２を受ける刃体受け部として構成されているから、前述した種まき用の凹所３ａを形成する際に秀れた作用効果を発揮する段部７が、孔形成具５にカバー体４を付設した際に刃体２を受ける機能も発揮することになり、機能兼用により効率の良い構造となる。 Moreover, since the step part 7 is comprised as a blade body receiving part which receives the blade body 2 of the cylindrical main body 1 when the to-be-fitted part 6 is fitted to the cylindrical main body 1, this Example was mentioned above. The stepped portion 7 that exhibits an excellent effect when forming the recess 3a for seeding will also exhibit the function of receiving the blade body 2 when the cover body 4 is attached to the hole forming tool 5, Efficient structure due to combined use of functions.

また、本実施例は、被嵌部６の内周面には凸状部６ａが設けられ、この凸状部６ａは、筒状本体１に被嵌部６を被嵌した際、筒状本体１の外周面に圧接する突出度合いに設定されているから、筒状本体１に対する被嵌部６の被嵌状態が不意に解除されたりせず刃体２が覆われた安全な状態を維持することができる。 Further, in the present embodiment, a convex portion 6 a is provided on the inner peripheral surface of the fitted portion 6, and this convex portion 6 a is formed when the fitted portion 6 is fitted on the tubular main body 1. 1 is set to a degree of protrusion that presses against the outer peripheral surface of 1, the fitting state of the fitting portion 6 with respect to the cylindrical main body 1 is not released unexpectedly, and a safe state in which the blade body 2 is covered is maintained. be able to.

また、本実施例は、被嵌部６と有底筒状部８は一体成形されているから、簡易構造にして量産性に秀れることになる。 Further, in this embodiment, the fitted portion 6 and the bottomed cylindrical portion 8 are integrally formed, so that the simple structure is excellent in mass productivity.

また、本実施例は、フィルム片20ｂを除去する際に筒状本体１の刃体２の近くに手を配する必要がなく安全に除去することができ、しかも、フィルム片20ｂを簡易且つ良好に除去することができて綺麗に除去できるから、例えばフィルム片20ｂの一部が残っていることで生じる刺入係止体９の刺入機能の低下も可及的に防止できることになる。 Further, in this embodiment, when the film piece 20b is removed, it is not necessary to place a hand near the blade body 2 of the cylindrical main body 1, and the film piece 20b can be removed safely. Therefore, it is possible to prevent the deterioration of the insertion function of the insertion locking body 9 caused by, for example, a part of the film piece 20b remaining as much as possible.

また、本実施例は、筒状本体１の後端部には握持部10が設けられ、この握持部10に着脱自在となる取付部11が刺入係止体９の後端部に設けられているから、筒状本体１に設けられる握持部10を持って力強く確実に刺入係止体９をフィルム片20ｂに刺入させることができる。 Further, in this embodiment, a gripping portion 10 is provided at the rear end portion of the cylindrical main body 1, and an attachment portion 11 detachably attached to the gripping portion 10 is provided at the rear end portion of the insertion locking body 9. Since it is provided, it is possible to firmly and firmly insert the insertion locking body 9 into the film piece 20b by holding the grip portion 10 provided on the cylindrical main body 1.

また、本実施例は、握持部10は、筒状本体１の後端開口部１ａの対向位置同士間に後方に突出状態で架設される架設体10で構成され、また、刺入係止体９の取付部11は前記握持部10に挟持連結されるものであり、具体的には、握持部10は、筒状本体１の後端開口部１ａの対向位置に設けられ後方に突出する縦材10Ａとこの縦材10Ａ間に架設される横材10Ｂとで構成され、また、刺入係止体９の取付部11は、横材10Ｂに挟持連結されるものであるから、握持部10は握り易く、しかも、筒状本体１に対する刺入係止体９の着脱が簡易且つ迅速に行え、この点においても作業性が良好となる。即ち、筒状本体１の後端開口部１ａから後方へ突出する大きな握持部10は非常に持ち易く、しかも、この握持部10を構成する架設体10は筒状本体１の後端開口部１ａの対向位置に連設される構造であり、つまり、刺入係止体９の脱着に際して、刺入係止体９及び該刺入係止体９に係止したフィルム片20ｂを通過させるための大きなスペースが確保されることになる為、筒状本体１に対する刺入係止体９の着脱が簡易且つ迅速に行えることになる。 Further, in the present embodiment, the gripping portion 10 is constituted by a construction body 10 that is erected in a rearward projecting state between opposing positions of the rear end opening 1a of the cylindrical main body 1, and is inserted and locked. The attachment portion 11 of the body 9 is sandwiched and connected to the gripping portion 10. Specifically, the gripping portion 10 is provided at a position opposite to the rear end opening 1 a of the cylindrical body 1 and is located rearward. Since it is composed of a protruding vertical member 10A and a horizontal member 10B installed between the vertical members 10A, and the attachment portion 11 of the insertion locking body 9 is sandwiched and connected to the horizontal member 10B, The gripping part 10 is easy to grip, and the insertion locking body 9 can be attached to and detached from the cylindrical main body 1 easily and quickly. In this respect, the workability is improved. That is, the large gripping portion 10 protruding rearward from the rear end opening 1a of the cylindrical main body 1 is very easy to hold, and the installation body 10 constituting the gripping portion 10 has an opening at the rear end of the cylindrical main body 1. In this structure, the insertion locking body 9 and the film piece 20b locked to the insertion locking body 9 are allowed to pass through when the insertion locking body 9 is detached. Since a large space is secured for this purpose, the insertion lock body 9 can be attached to and detached from the cylindrical main body 1 simply and quickly.

また、本実施例は、取付部11は架設体10に対して弾性作用を伴い挟持連結する構造であり、しかも、この取付部11は金属製の板材を折り返し形成しただけの構造であるから、架設体10に対する取付部11の挟持状態が不意に解除されたりせず非常に使い勝手が良いことになる。 Further, in this embodiment, the attachment portion 11 is a structure that is sandwiched and connected to the installation body 10 with an elastic action, and this attachment portion 11 is a structure that is simply formed by folding a metal plate. The clamping state of the mounting portion 11 with respect to the gantry body 10 is not released unexpectedly, and the usability is very good.

尚、本考案は、本実施例に限られるものではなく、各構成要件の具体的構成は適宜設計し得るものである。 The present invention is not limited to the present embodiment, and the specific configuration of each component can be designed as appropriate.

１筒状本体
２刃体
３畝
３ａ種蒔き用の凹所
５孔形成具
６被嵌部
６ａ凸状部
７段部
８有底筒状部
20 フィルム
20ａ孔 DESCRIPTION OF SYMBOLS 1 Cylindrical main body 2 Blade 3 畝 3a Sowing for seeding 5 Hole forming tool 6 Fit part 6a Convex part 7 Step part 8 Bottomed cylindrical part
20 films
20a hole

Claims

A blade for forming a hole in a film of vinyl or the like covering a field wall is attached to a hole forming tool provided at a front end opening edge of the cylindrical main body, and the front end of the cylindrical main body is covered. A cylindrical fitted portion to be fitted, and a bottomed cylindrical portion having a diameter smaller than that of the fitted portion, which is connected to the distal end portion of the fitted portion via a stepped portion. The cover is attached to the hole forming tool, wherein the part is configured as a recess forming body that is pressed into the ridge to form a recess for sowing the heel.

The cover body attached to the hole forming tool according to claim 1, wherein the stepped portion is configured as a blade body receiving portion that receives the blade body of the cylindrical main body when the fitted portion is fitted to the cylindrical main body. A cover body attached to the hole forming tool.

The cover body attached to the hole forming tool according to any one of claims 1 and 2, wherein a convex portion is provided on an inner peripheral surface of the fitting portion, and the convex portion is provided on the cylindrical main body. Attached to the hole forming tool, wherein when the fitting portion is fitted, the fitting portion is pressed against the outer peripheral surface of the cylindrical main body to prevent the fitting portion from falling off the cylindrical main body. Cover body.

The cover body attached to the hole forming tool according to any one of claims 1 to 3, wherein the fitted portion and the bottomed tubular portion are integrally formed, and are attached to the hole forming tool. Cover body.