JPH077312U

JPH077312U - Spare blade type gardening farm tools for manual work

Info

Publication number: JPH077312U
Application number: JP4767293U
Authority: JP
Inventors: 至宏岸野
Original assignee: 至宏岸野
Priority date: 1993-06-30
Filing date: 1993-06-30
Publication date: 1995-02-03

Abstract

(57)【要約】（修正有）【目的】重さをできる限り軽くし、容易に替え刃が取り
替えられ、取り付けた替え刃が、使用中にガタを生じな
い手作業用園芸農具を提供する。【構成】円形の突起６と、替え刃２の円形の孔９とを嵌
め合わせ、角根丸頭ボルト３の角根部７と、替え刃の角
孔８とを嵌め合わせると共に、角根丸頭ボルト３を軸の
孔５に通し、スリーブナット４によって、軸１と替え刃
２とを組み立て固定する、替え刃の角孔８の大きさは、
軸と直角方向の長さａは、角根丸頭ボルト３の角根部の
幅ａと等しく、軸方向の長さｂは、ａよりも少し長くし
ている。 (57) [Summary] (Modified) [Purpose] To provide a hand-operated gardening tool that reduces the weight as much as possible and allows the replacement blade to be easily replaced, and the replacement blade attached does not cause rattling during use. . [Structure] A circular projection 6 and a circular hole 9 of a spare blade 2 are fitted together, a square root portion 7 of a square root round head bolt 3 and a square hole 8 of a spare blade are fitted together, and a round root The bolt 3 is passed through the shaft hole 5, and the sleeve 1 is used to assemble and fix the shaft 1 and the spare blade 2. The size of the spare blade square hole 8 is
The length a in the direction perpendicular to the axis is equal to the width a of the square root portion of the square root bolt 3, and the length b in the axial direction is slightly longer than a.

Description

[Detailed description of the device]

【０００１】[0001]

[Industrial applications]

この考案は、手作業用の園芸農具に関するものである。 The present invention relates to a horticultural farming tool for manual work.

【０００２】[0002]

[Prior art]

手作業用の園芸農具は、重量をできる限り軽くする必要から、刃先と軸、または、刃先と柄が一体となった、いわゆる共柄になっている。また、替え刃式鍬類は、ほとんどが２本のボルトによって組み立てられている。実願平３−９５９７５は、軸に長円形の突起１個と、ボルトが入る孔１個を有し、長円形の孔１個と、角孔１個とを有する替え刃を、角根丸頭ボルト１本で組み立てた構造になっている。 Since gardening tools for manual work need to be as light as possible, they have a so-called co-pattern in which the cutting edge and shaft, or the cutting edge and handle are integrated. Most replaceable blade hoes are assembled with two bolts. In Japanese Patent Application No. 3-95975, a replaceable blade having one oval projection on the shaft, one hole into which a bolt is inserted, one oval hole, and one square hole is used. The structure is assembled with one head bolt.

【０００３】[0003]

[Problems to be solved by the device]

実願平３−９５９７５は、軸と替え刃の、双方の突起と孔との距離の製作誤差を補うために、長円形の突起と孔としたものであるが、重量をできる限り軽くするためには問題がある。また、ナットのゆるみ止めのための措置がとられていない。 In Japanese Patent Application No. 3-95975, an oval protrusion and a hole are used to compensate for a manufacturing error in the distance between the protrusion and the hole on the shaft and the blade, but the weight is reduced as much as possible. There is a problem for you. Also, no measures are taken to prevent the nuts from loosening.

【０００４】[0004]

[Means for Solving the Problems]

軸の突起を円形にし、替え刃には、軸の突起に嵌合する円形の孔を設ける。。替え刃の角孔の大きさは、軸と直角方向は、角根丸頭ボルトの角根部の幅と同じであるが、軸方向の長さを、角根丸頭ボルトの角根部の幅よりも少し大きくする。ナットは、スリーブナットを使用し、軸に設けた角根丸頭ボルトが入る孔にはスリーブナットのテーパ部と合うテーパ部を有している。 The shaft protrusion is circular, and the blade is provided with a circular hole that fits into the shaft protrusion. . The size of the square hole of the blade is the same as the width of the square root of the square root bolt, but the axial length is the width of the square root bolt of the square root bolt. A little bigger than. For the nut, a sleeve nut is used, and the hole into which the round root bolt is mounted on the shaft has a taper part that matches the taper part of the sleeve nut.

【０００５】[0005]

【作用】軸の円形の突起と、替え刃の円形の孔を嵌め合わせ、角根丸頭ボルトの角根部と替え刃の角孔を嵌め合わせると共に角根丸頭ボルトを軸の孔に通し、スリーブナットにより軸と替え刃を組み立てる。[Operation] Fit the circular protrusion of the shaft and the circular hole of the spare blade, fit the square root of the square root bolt and the square hole of the spare blade, and pass the square root bolt through the shaft hole. Assemble the shaft and spare blade with the sleeve nut.

【０００６】[0006]

【実施例１】本考案による草削り鍬は、くの字型に曲げられた軸（１）の先端に、角根丸頭ボルト（３）が入る孔（５）が設けられ、スリーブナット（４）のテーパ部と合うテーパ部を有している。軸（１）の下面には円形の突起（６）が設けられ、突起部分を除いた外は替え刃（２）が取り付けられるように平坦になっている。軸（１）の下面に設けた円形の突起（６）に、替え刃（２）の円形の孔を嵌め合わせ、角根丸頭ボルト（３）の角根部（７）と、替え刃（２）の角孔（８）とを嵌め合わせると共に、角根丸頭ボルト（３）を、軸（１）の孔（５）に通し、スリーブナット（４）によって、軸（１）と替え刃（２）とを組立固定した替え刃式草削り鍬である。Embodiment 1 A grass hoe according to the present invention is provided with a hole (5) into which a round root bolt (3) is inserted at a tip of a shaft (1) bent in a dogleg shape, and a sleeve nut ( It has a taper part that matches the taper part of 4). A circular protrusion (6) is provided on the lower surface of the shaft (1), and the outside of the protrusion (6) is flat so that a replacement blade (2) can be attached. The circular projection (6) provided on the lower surface of the shaft (1) was fitted with the circular hole of the spare blade (2), and the square root portion (7) of the square root bolt (3) and the spare blade (2). ) And the square root head bolt (3) through the hole (5) of the shaft (1) and the sleeve nut (4) to replace the shaft (1) and the replacement blade (). 2) It is a replacement blade type grass hoe that is assembled and fixed with.

【０００７】[0007]

【実施例２】本考案による移植ごては、への字型に曲げられた軸（１’）の先端には、角根丸頭ボルト（３’）が入る孔（５’）が設けられ、スリーブナット（４’）のテーパ部と合うテーパ部を有している。軸（１’）の下面には円形の突起（６’）が設けられ、突起部分を除いた外は替え刃（２’）が取り付けられるように平坦になっている。軸（１’）の下面に設けた円形の突起（６’）に、替え刃（２’）の円形の孔（９’）を嵌め合わせ、角根丸頭ボルト（３’）の角根部（７’）と、替え刃（２’）の角孔（８’）を嵌め合わせると共に、角根丸頭ボルト（３’）を軸（１ ’）の孔（５’）に通し、スリーブナット（４’）によって、軸（１’）と替え刃（２’）とを組み立て固定した替え刃式移植ごてである。[Embodiment 2] The implanting iron according to the present invention is provided with a hole (5 ') into which a square root round head bolt (3') is inserted at the tip of a shaft (1 ') bent in a V shape. , And has a taper that matches the taper of the sleeve nut (4 '). A circular protrusion (6 ') is provided on the lower surface of the shaft (1'), and the outside of the protrusion (6 ') is flat so that a replacement blade (2') can be attached. Fit the circular hole (9 ') of the spare blade (2') into the circular protrusion (6 ') provided on the lower surface of the shaft (1'), and then attach the square root of the square root bolt (3 ') ( 7 ') and the square hole (8') of the spare blade (2 ') are fitted together, the square root round head bolt (3') is passed through the hole (5 ') of the shaft (1'), and the sleeve nut ( 4 ') is a replacement blade type implanting iron in which a shaft (1') and a replacement blade (2 ') are assembled and fixed.

【０００８】[0008]

【考案の効果】組立用のボルトは１本しか使用せず、重量の増加を抑えている。また、スリーブナットを使用することにより、ナットがゆるむのを防いでいる。軸の下面の突起は、実願平３−９５９７５は長円形であるが、本考案の突起は円形のため軸の長さを短くし、また、替え刃の刃幅を短くすることが出来る。そのために、より重量を軽くすることが出来る。替え刃の角孔は軸方向に少し長いため、軸の突起と孔の距離に製作誤差があっても組み立てることが出来る。また、この角孔は軸と直角方向の長さは、角根丸頭ボルトの角根部の幅に等しいため、ボルトの角根部と替え刃の角孔を嵌め合わせると共に、軸の円形の突起と替え刃の円形の孔を嵌め合わせ組み立てるため、替え刃はボルトまたは円形の突起を中心に回転することはない。[Effects of the Invention] Only one bolt for assembly is used to prevent an increase in weight. In addition, the use of three nuts prevents the nuts from loosening. The protrusion on the lower surface of the shaft is oval in Japanese Patent Application No. 3-95975, but since the protrusion of the present invention is circular, the length of the shaft can be shortened and the blade width of the spare blade can be shortened. Therefore, the weight can be reduced. Since the square hole of the blade is a little long in the axial direction, it can be assembled even if there is a manufacturing error in the distance between the shaft protrusion and the hole. Also, the length of this square hole in the direction perpendicular to the shaft is not equal to the width of the square root part of the square root round head bolt, so the square root part of the bolt and the square hole of the replacement blade are fitted together, and the circular projection of the shaft Since the circular hole of the blade is fitted and assembled, the blade does not rotate around the bolt or the circular protrusion.

【０００９】[0009]

[Brief description of drawings]

【第１図】本考案の、草削り鍬の分解斜視図[FIG. 1] An exploded perspective view of a grass hoe of the present invention

【第２図】本考案の、草削り鍬の先端部の組立断面図FIG. 2 is an assembled sectional view of the tip of the grass hoe of the present invention.

【第３図】本考案の、移植ごての分解斜視図[Fig. 3] Exploded perspective view of the implanting iron of the present invention

【第４図】本考案の、移植ごての組立断面図[Fig. 4] Assembly sectional view of the implanting iron of the present invention

[Explanation of symbols]

（１）は、替え刃式草削り鍬の軸（２）は、替え刃式草削り鍬の替え刃（３）は、組立用の角根丸頭ボルト（４）は、スリーブナット（５）は、角根丸頭ボルト（３）を通す孔（６）は、円形の突起（７）は、角根丸頭ボルト（３）の角根部（８）は、替え刃に設けた角孔（９）は、替え刃に設けた円形の孔ａは、角根丸頭ボルトの角根部（７）の幅の長さ、替
え刃の角孔（８）の軸と直角方向の長さｂは、替え刃（２）に設けた角孔（８）の軸方向の長
さ（１’）は、替え刃式移植ごての軸（２’）は、替え刃式移植ごての替え刃（３’）は、組立用の角根丸頭ボルト（４’）は、スリーブナット（５’）は、角根丸頭ボルト（３’）を通す孔（６’）は、円形の突起（７’）は、角根丸頭ボルト（３’）の角根部（８’）は、替え刃に設けた角孔（９’）は、替え刃に設けた円形の孔ａ’ は、角根丸頭ボルトの角根部（７’）の幅の長
さ、替え刃の角孔（８’）の軸と直角方向の長さｂ’ は、替え刃（２’）に設けた角孔（８’）の軸方
向の長さ(1) is the shaft of the blade for cutting blades with a replaceable blade (2) is the blade for replacing blades with a blade for cutting blades (3) is a round root bolt for assembly (4) is a sleeve nut (5) Is a hole through which the square root bolt (3) is passed, a circular protrusion (7) is a square root portion of the round root bolt (3) (8) is a square hole provided in the blade ( 9) is a circular hole a provided in the replacement blade, a is the width of the square root portion (7) of the square root bolt, and the length b of the replacement blade in the direction perpendicular to the axis of the square hole (8) is The axial length (1 ') of the square hole (8) provided in the replaceable blade (2) is the axis of the replaceable blade implanting iron (2') is the replaceable blade of the replaceable blade implanting iron (2). 3 ') is a round root bolt for assembly (4'), sleeve nut (5 ') is a hole for passing round root bolt (3') (6 ') is a circular protrusion (7) ') Indicates that the square root (8') of the square root bolt (3 ') is attached to the blade. The square hole (9 ') is a circular hole provided in the spare blade a'is the width of the square root (7') of the square root bolt, the axis of the square hole (8 ') of the spare blade The length b'in the direction perpendicular to is the axial length of the square hole (8 ') provided in the blade (2').

Claims

[Scope of utility model registration request]

1. A circular protrusion (6) provided on the lower surface of a shaft (1).
And the circular hole (9) of the spare blade (2) are fitted together, the square root portion (7) of the round root bolt (3) and the square hole (8) of the spare blade are fitted together, and Nemaru head bolt (3)
A replaceable blade type gardening farm tool for manual work in which the shaft (1) and the replaceable blade (2) are assembled and fixed by a sleeve nut (4) through the shaft hole (5).

2. The length in the direction perpendicular to the axis has the same length a as the width of the square root of the square root bolt (3), and the length in the axial direction is slightly larger than the width a of the square root. A blade for a manual gardening farming tool having a rectangular rectangular hole (8) b and a circular hole (9).