JP2007092376A - Long-handled tool - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a long-handled tool excellent in controllability capable of surely operating a tool body, finely and smoothly finishing the surface to be finished and, at the same time, simply carrying out the adjustment of a direction and a slope with high degree of accuracy. <P>SOLUTION: The long-handled tool is formed of the longer tool body and a long handle connected to the tool body through a securing device, the securing device is equipped with a horizontal engaging surface capable of being rotated in a horizontal plane and being fixed at a universal angle by fixing and a vertical engaging surface capable of being rotated in a vertical plane and being fixed at the universal angle by fixing, and the long-handled tool consists of a first engaging piece having one horizontal engaging surface opposite to the horizontal engaging surface, an intermediate engaging piece having one vertical engaging surface of the other horizontal engaging surface and the vertical engaging surface and a second engaging piece having the other vertical engaging surface, one of the first or the second engaging piece is fixed to the tool body to fix the other to the long handle. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a long pattern tool used for leveling a surface to be finished, to which a long pattern for operating the pattern is attached.

  The long handle direction relative to the material to be attached to the end of the long handle used for finishing the finished surface, such as screed for smoothing the casting surface of cement kneaded material, brush for polishing the floor, and dragonfly for ground leveling , And the inclination are fixed at an optimum angle in consideration of operability in each work.

  However, when the scaffold is far away from the work location, or when working from a position with a height difference such as a suspended scaffold, or when working while avoiding protruding obstacles such as hanging cabinets and air conditioners, the long handle angle is If it is constant, the operation is very difficult. As a result, for example, screed has a problem that an appropriate finished surface cannot be obtained, such as unevenness on the surface.

  Therefore, as shown in FIGS. 10 and 11, the applicant of the present invention has a sphere b protruding from the center upper surface of the specific example (screed) a, and is extrapolated to the sphere b to freely rotate 360 degrees in any direction. A long handle tool for fixing the long handle e to the concrete a is proposed by further providing a connecting portion d that can be screwed and screwing a bolt f extending axially from the lower end of the long handle e to the connecting portion d (for example, Patent Document 1). And the long handle e of this long handle tool is variably attached in the direction and inclination with respect to the specific example a via the connecting portion d, and when the long handle e is rotated around its central axis at the optimum angle, the bolt f is By pressing the spherical surface b, the long handle e can be fixed to the screed a by the frictional force. Accordingly, since the long handle e can be adjusted to an angle according to the situation, workability can be improved.

JP 2004-316297 A

  However, when gripping and operating the long handle e, a force that twists the long handle e acts, and the fixing tends to be loosened, and the fixing of the long handle e tends to become unstable. Further, foreign matter such as cement is likely to adhere to the sphere b, and if the foreign matter is bitten, the bolt f is likely to loosen, and further improvement has been desired.

  The present invention is based on basically connecting a long handle through a fixing means including a first engagement piece, an intermediate engagement piece, and a second engagement piece, and can be used with certainty. Thus, it is an object to provide a long tool having excellent operability because the surface to be finished can be finely and smoothly finished and the direction and inclination can be adjusted easily and accurately.

  In order to achieve the above-mentioned object, in the invention according to claim 1, the long concrete object which is flattened by overprinting the surface to be finished and the concrete object connected through a fixing means to the concrete object. It consists of a long handle for operation, and the fixing means can be rotated in a horizontal plane and fixed at an arbitrary angle by fixing, and can be fixed at an arbitrary angle by fixing, and can be rotated in a vertical plane and fixed at an arbitrary angle by fixing. A first engaging piece having one horizontal engaging surface facing the horizontal engaging surface, and a vertical engaging surface perpendicular to the other horizontal engaging surface. An intermediate engagement piece having one vertical engagement surface and a second engagement piece having the other vertical engagement surface, and one of the first and second engagement pieces is It is characterized in that it is fixed specifically for the purpose and the other is fixed to a long handle.

  In the invention according to claim 2, the horizontal or vertical engagement surface is formed with a recess and a protrusion that are fitted to each other with an interval, and in the invention according to claim 3, the fit and the protrusion are fitted. The portion includes a serration formed radially on the engagement surface, and the fixing means according to claim 4, wherein the first engagement piece presses the horizontal engagement surface facing the intermediate engagement piece. Each of the second engaging pieces includes a screw tool that fixes the intermediate engaging piece and the perpendicular engaging surface facing each other in a direction that presses the intermediate engaging piece.

  In the invention according to claim 5, the surface to be finished is a casting surface of cement kneaded material including cement concrete and cement mortar, and the specific example is a screed used for leveling before hardening. The specific example of the invention according to claim 6 is a long frame having a flat lower surface, and a bending portion that is attached to the lower surface of the long frame and curves at least one side edge in the length direction. It is characterized by comprising a long thin plate.

  In the invention according to claim 1, the specific example and the long handle are divided into two directions of a horizontal engagement surface and a vertical engagement surface and are connected via fixing means for fixing each of the two directions. Even if some foreign matter is caught between the mating surfaces, a stable fixed state can be maintained. Accordingly, the specific details can be reliably operated without causing wobbling of the long handle, the leveling operation can be performed efficiently, and the specific details can be smoothly moved, so that the finished surface can be finished smoothly and smoothly. In addition, since the direction and inclination in the horizontal plane for the long pattern are individually adjusted and fixed, it is easy to change the direction or adjust the inclination while maintaining the inclination before use or during operation. And it can be performed with high accuracy. Therefore, it can be handled easily and accurately without skill, and is excellent in operability.

  As in the invention according to claim 2, when the concave portion and the convex portion that fit each other on the engaging surface are provided, the horizontal direction and inclination of the long handle can be more reliably fixed, and operability without wobbling can be secured. As in the invention according to claim 3, when the concave and convex portions formed of radial serrations are provided on the engagement surface, both the horizontal direction of the long handle and the inclination can be accurately adjusted at a constant minute angle, Since the engaged state is stable, it can be reliably fixed even with a small force. According to the fourth aspect of the present invention, since the reliability of fixing by the screw tool is improved, the long handle does not wobble during the operation, and the direction and angle of the long handle can be easily adjusted.

  As in the invention according to claim 5, when used specifically for screed, smooth finishing of the cement casting surface can be performed neatly, and by appropriately adjusting the direction and inclination of the long handle according to the situation of the working environment, It is easy to finish a narrow space, and as in the invention according to claim 6, when it is used specifically for a long frame and a long thin plate affixed to the lower surface, depending on the direction of the leveling operation, Depending on the damage situation of the long thin plate that is reduced, the life can be doubled by rotating 180 degrees, and if the curved portion is in front, the leveling operation can be easily performed without skill.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. As shown in FIG. 1, the long handle tool 1 includes a concrete 3 for finishing the surface 2 to be finished and a long handle 5 for an operator to operate the concrete 3, and the long handle 5 has fixing means 4. It is connected to the concrete 3 through.

  The specific example 3 includes a leveling plate for a registration mark for overprinting and leveling the ground surface, a brush body of a brush with a handle, and the like. In this embodiment, as shown in FIG. 1, the case of a screed 3A used for smoothing and flattening the casting surface of cement kneaded material such as cement concrete and cement mortar before curing is exemplified. .

  Further, as shown in FIGS. 1 and 2, the screed 3 </ b> A according to the present embodiment includes a long frame 14 having a flat bottom surface and a long thin plate 16 attached to the bottom surface of the long frame 14. The long frame 14 has a flat rectangular pipe shape, and is an aluminum extruded product having a thickness of about 8 to 30 mm, for example, about 15 mm in the present embodiment, and a width of about 20 to 80 mm, for example, about 40 mm in the present embodiment. What was cut | disconnected to the length of about 940 mm is used about 500-2000 mm and this form. The long frame 14 is fitted with end caps 21 having the same cross section at the other end portions and molded from rubber, plastic or the like. Since the cut end of the long frame 14 is covered by the end cap 21, it is preferable in that injury can be prevented even if the limbs of the operator come into contact.

  Note that a reinforcing member 22 having an L-shaped cross section that continuously covers the upper surface or one of the side surfaces is attached to the central portion of the long frame 14 with screws 23. The reinforcing material 22 is an aluminum extruded product cut to about 150 to 500 mm. And the connection receiving part 24 is formed in the center of the elongate frame 14 with the reinforcing material 22. As shown in FIG.

  The long thin plate 16 is formed in a band plate shape and has a width and a length that are larger than the long frame 14. Then, the entire periphery of the long frame 14 is arranged on the lower surface of the long frame 14 so as to protrude evenly from the long frame 14, and is adhered to the long frame 14 using a double-sided adhesive tape, an adhesive, or the like. The long thin plate 16 has a width of, for example, about 50 to 250 mm, in this embodiment, about 100 mm, and a length of, for example, about 600 to 2,200 mm, and in this embodiment, a size of about 1050 mm, carbon steel, stainless steel, It is formed using a steel material including alloy steel, or a metal material such as aluminum, brass, copper, or titanium. As described above, when the specific material 3 formed by sticking the long thin plate 16 to the lower surface of the long frame 14 is used, it is possible to efficiently perform the leveling operation using a wide leveling surface, and the long thin plate is repeatedly formed. When it is reduced by work, the period of use can be extended by working in reverse.

  Moreover, as shown in FIG. 9, if the curved part 15 which smoothly curved one side edge of the said elongate thin plate 16 is provided, it can carry out a leveling work easily without requiring skill. The curved portion 15 may be formed on the side edges on both sides of the long thin plate 16.

  As shown in FIGS. 1 and 2, the long handle 5 is used to push and pull the use concrete 3 to operate the use concrete 3 or to be used as a handle when moving, and has a straight rod shape and a cross section. It is preferably formed in a circular shape, a rectangular shape, a polygonal shape or the like and is hollow for weight reduction. The long handle 5 of this embodiment has a round pipe shape, and a plurality of small ridges facing in the longitudinal direction are provided on the outer peripheral surface for slip prevention. In addition, the long handle 5 may be formed in a tapered shape whose outer diameter gradually decreases toward the tip, or an antenna-like telescopic rod in which one of a plurality of hollow tubes is slidably inserted into the other, Various deformations are possible, for example, the divided rods are bent and formed with bent rods connected so as to be fixed.

  The said long handle 5 is formed using plastic materials, such as polyethylene resin, polypropylene resin, a polystyrene resin, a phenol resin, unsaturated polyester resin other than metals, such as aluminum and carbon steel. Furthermore, it is preferable to provide a grip portion covered with a rubber or elastic plastic layer in the vicinity of the end portion of the long handle 5 because it is prevented from slipping and workability can be improved.

  The fixing means 4 is for attaching the lower end of the long handle 5 to the use specific 3 in order to operate the use specific 3 by the long handle 5, and each of the fixing means 4 is fixed to the use specific 3 or the long handle 5 separately. The first and second engaging pieces 8, 10 and the intermediate engaging piece 9 are provided.

  As shown in FIG. 2, the first engagement piece 8 includes a base 25 in the shape of a horizontally long bar extending along the use specific 3 at the top of the use specific 3 and the center of the base 25. And a horizontal seating portion 26 formed integrally therewith. Further, the base 25 is screwed to the connection receiving portion 24 by means of bolts 27, whereby the first engagement piece 8 is fixed to the upper surface of the central portion of the specific example 3.

  On the lower surface of the base 25, there is a rectangular recess 28 located at the lower part of the seat 26, and a through hole 29 extending upward from the recess 28 is formed. The through hole 29 is opened at the center of the upper surface of the seat base portion 26. Serrations 12 extending radially around the through hole 29 are provided on the upper surface of the seating portion 26, and the concave portions and the convex portions 11 are formed by the serrations 12. A horizontal engagement surface 6 is formed by the upper surface of the seating portion 26 subjected to the serration processing. Here, the term “horizontal” includes a case where there is an inclination of about 20 ° or less, or at least an inclination of about 15 ° or less, centering on a state where there is no inclination. The concave and convex portions 11 may be formed by knurling.

  As shown in FIG. 2, the second engagement piece 10 is disposed at the lower end portion of the long handle 5, and is fitted to the lower end portion of the long handle 5, and below the base shaft portion 30. And an outer laminating portion 31 formed integrally with the heel. The outer mating platen 31 is formed with a through hole 32 penetrating through the center thereof, and the surface thereof has a radial serration 12 centered on the through hole 32, similar to the seating plate portion 26. Are processed to form concave and convex portions 11.

  Then, the second engaging piece 10 is fixed to the long handle 5 by fitting the base shaft portion 30 to the long handle 5 and fastening with a screw (not shown). 5 is provided integrally with the lower portion. Then, a vertical engagement surface 7 is formed by the surface of the outer laminating portion 31 subjected to the serration processing. Here, the term “perpendicular” includes the posture of a surface having an inclination of about 20 ° or less from the upright surface, or at least an inclination of about 15 ° or less.

  The intermediate engagement piece 9 includes a cover plate portion 33 having a horizontal engagement surface 6 facing the seat plate portion 26 and facing downward, and a vertical engagement surface facing the outer mating plate portion 31. 7 and a connecting portion 47 that connects the cover plate portion 33 and the intermediate matching plate portion 34. And the cover board part 33 and the centering board part 34 in the center have the through-holes 35 and 36 respectively connected with the said through-holes 29 and 32 in the center, and are further serrated, and the recessed part and the convex part 11 are formed. Has been.

  Bolts 37 whose heads are non-rotatably accommodated in the rectangular recesses 28 of the seat base part 26 are continuously inserted into the through holes 29 of the seat base part 26 and the through holes 35 of the cover base part 33, Further, a cap nut 38 is screwed to the tip protruding from the upper part of the cover part 33. Then, when the cap nut 38 is rotated and screwed to an appropriate depth, both horizontal engaging surfaces 6 are pressed against each other, and at the same time, a concave portion and a convex portion formed of serrations 12 formed on the horizontal engaging surface 6. 11 fits together and is connected so as not to rotate without rattling. In the present embodiment, as described above, the cap nut 38 is used, so that it is possible to prevent the screw portion from becoming clogged with the mortar, thereby preventing the rotation and maintaining the operability of the angle adjustment and including the disassembling work. It is preferable in that it can be easily maintained.

  On the other hand, the inner mating platen 34 and the outer mating platen 31 are continuously inserted with bolts 39 from the inner mating platen 34 side through the through holes 36 and 32, and the cap nuts at the tips thereof. By screwing 40 to an appropriate depth, both vertical engaging surfaces 7 are pressed together, and the concave and convex portions 11 made of serrations 12 are fitted together so that they cannot be pivoted without rattling. Is done. The head of the bolt 39 is non-rotatably fitted in the rectangular recess 41 of the inner laminating section 34 to prevent the bolt 39 from slipping. In the figure, reference numeral 42 denotes a cap that covers the head of the bolt 39 and prevents clogging of the mortar.

  Thus, the fixing means 4 for connecting the concrete 3 and the long handle 5 is divided into two directions formed by the horizontal engaging surface 6 and the vertical engaging surface 7 pivotally supported by the bolts 37 and 39, respectively. In addition, it is connected in an adjustable manner. Therefore, as shown in FIG. 3, when the cap nut 40 is loosened, the pressure contact of the vertical engagement surface 7 is released, and the inclination can be changed to a suitable one for work. By tightening the cap nut 40 again at this optimum inclination, the inclination of the long handle 5 can be adjusted to an arbitrary angle. Therefore, for example, as shown in FIG. 5, the long handle 5 can be adjusted to a height suitable for the height of the worker, the distance from the scaffold to the work location, the height difference, etc. The operator can maintain a comfortable posture to increase work efficiency and reduce work fatigue. Alternatively, as shown in FIG. 6, when working in a narrow space under an obstacle 45 such as a hanging cabinet or an air conditioner that protrudes from a wall surface, the long handle 5 is tilted so that it can be inserted into the lower space. The operation can be performed while maintaining the third working angle.

  Further, as shown in FIG. 4, when the cap nut 38 is loosened, the pressure contact of the horizontal engagement surface 6 is released, and the direction can be changed in an arbitrary direction. Then, when the long handle 5 is adjusted in the optimum direction according to the situation, for example, as shown in FIG. 7, the concrete 3 can be overprinted like a wiper for smooth finishing, or as shown in FIG. It can be used by changing the long handle 5 in a direction in which the projection 43 can be avoided with respect to the narrow space 44 which is blocked by the projection 43 such as a column shape and has a narrow width and a long depth. In this way, it is possible to adjust the horizontal and vertical directions individually and to subtle angles according to various usage situations, so that the long handle tool 1 can be handled accurately and operated without requiring skill. Excellent in properties.

  Further, in the case where the specific example 3 is the screed 3A as in the present embodiment, the casting surface of the cement kneaded material can be leveled smoothly, and a narrow space or the like can be used in accordance with different working conditions at each site. Even under conditions of poor workability, this can be overcome to improve workability. Further, as in this embodiment, when the screed 3A in which the equalizing long thin plate 16 is attached to the lower surface of the long frame 14, when the long thin plate 16 is partially reduced, as shown by a chain line in FIG. It is preferable in that the period can be doubled by releasing the pressure contact of the horizontal engagement surface 6 and inverting the long handle 5.

  In addition, in this embodiment, the concave and convex portions 11 that are fitted to each other are formed on the horizontal and vertical engaging surfaces, so that the direction and inclination of the adjusted long handle 5 can be reliably fixed and without loosening, Stable operability can be obtained. Further, when the concave and convex portions 11 are formed by the radial serrations 12 as in this embodiment, the direction and inclination of the long handle 5 can be adjusted in a constant and precise angle unit, and both can maintain a stable engagement state. Because it can be fixed with a small force, it can be easily handled by elderly people and women.

  In this embodiment, the base plate portion 26 and the cover plate portion 33, the inner laminating plate portion 34 and the outer laminating plate portion 31 are fastened by using the screw tool 13 composed of bolts 37 and 39, respectively, so that the horizontal and vertical positions are fixed. Since the engaging surfaces 6 and 7 are pressed against each other, the fixing reliability in each direction is high, and even if a considerable force is applied, the long handle 5 is never wobbled and can be stably operated. Moreover, it is preferable that the direction and inclination of the long handle 5 can be easily adjusted by loosening the screw 13. Contrary to the fixing means 4 exemplified in the present embodiment, the first engagement piece 8 is fixed to the lower end portion of the long handle 5, and the second engagement piece 10 is fixed to the central portion of the specific example 3. You can also

  In this embodiment, the first and second engaging pieces 10 and the intermediate engaging piece 9 are integrally formed by aluminum die casting. In addition, metal materials such as brass and copper, and plastic materials such as high-density polyethylene resin, ABS resin, and polyamide can also be used.

  The above description is an example of the embodiment of the present invention. Therefore, the technical scope of the present invention is not limited to this, and various modifications are included in addition to the above-described embodiment.

It is a perspective view which illustrates one embodiment of the present invention. It is the disassembled perspective view which expanded the principal part. It is sectional drawing explaining inclination adjustment of a long handle It is a top view explaining the direction adjustment of a long handle. It is the schematic explaining the use condition which adjusted the inclination of the long handle. It is a side view explaining the use condition in a narrow space. It is a top view explaining the use condition of a wiper shape. It is a top view explaining the use condition in a narrow space. It is sectional drawing which illustrates other embodiment. It is a perspective view of a prior art example. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Long handle tool 2 Surface to be finished 3 Specific example 4 Fixing means 5 Long handle 6 Horizontal engagement surface 7 Vertical engagement surface 8 First engagement piece 9 Middle engagement piece 10 Second engagement piece 11 Recessed part, Convex part 12 Serration 13 Screw tool 14 Long frame 15 Bending part 16 Long thin plate

Claims (6)

It consists of a long material for making a flat surface by overprinting the surface to be finished, and a long handle for operating the material to be connected through a fixing means.
The fixing means includes a horizontal engagement surface that can be rotated in a horizontal plane and fixed at an arbitrary angle by fixing, and a vertical engagement surface that can be rotated in a vertical plane and fixed at an arbitrary angle by fixing. And a first engaging piece having one horizontal engaging surface facing the horizontal engaging surface, and one vertical engaging surface of the other horizontal engaging surface and the vertical engaging surface. An intermediate engagement piece having a second engagement piece with the other vertical engagement surface,
A long handle tool, wherein one of the first or second engaging pieces is fixed to the above-mentioned specific example, and the other is fixed to a long handle.   The long handle tool according to claim 1, wherein the horizontal or vertical engaging surface is formed with a concave portion and a convex portion that are fitted to each other with a gap therebetween.   The long handle tool according to claim 2, wherein the fitting concave and convex portions are serrations formed radially on the engagement surface.   In the fixing means, the first engagement piece is in a direction in which the intermediate engagement piece is pressed against the facing horizontal engagement surface, and the second engagement piece is in contact with the intermediate engagement piece. The long handle tool according to any one of claims 1 to 3, further comprising a screw tool for fixing the vertical engagement surface in a direction in which it is pressed.   The surface to be finished is a casting surface of cement kneaded material including cement concrete and cement mortar, and the specific material is a screed used for leveling before hardening. The long handle tool in any one of 1-4.   The specific example includes a long frame having a flat bottom surface and a long thin plate attached to the bottom surface of the long frame and having at least one side edge in the length direction as a curved portion that curves upward. The long handle tool according to claim 1, wherein the tool is a long tool.

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