JP2018144210A - Sheet file holder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sheet file holder capable of suppressing generation of useless area on a sheet file, suppressing damage on a part other than a grinding section, or stabilizing a grinding angle.SOLUTION: There is provided a sheet file holder 2, which is the sheet file holder 2 holding a sheet file and used in hand when an operator grinds a grinding object, and which comprises a base table 3 whose surface 32 is provided with a groove 31 comprising an inner surface 311 holding the sheet file and having a straight axis, and projecting parts 4 which are arranged at crossing part where the inner surface and the surface cross one another and formed from the surface to an inside of the groove. The projecting parts are arranged at a crossing part at both ends of the inner surface in a cross section in a vertical direction relatively to an axis direction. Each projection length of the projecting parts arranged at both ends from the surface to the inside of the groove is less than a half of a length between both the ends.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a holder for holding a sheet-shaped file, and relates to a holder for a sheet-shaped file that is used by an operator when grinding an object to be ground.

  In general, a user who uses a sheet file holds the sheet file with his / her hand, wraps the sheet file around a piece of wood or a resin block, and holds the sheet file as a dedicated holding tool. Or hold it between. For example, Patent Document 1 discloses a polishing tool in which the back surface of sandpaper cut into a strip shape is applied to a sliding surface, and both ends of the sandpaper are inserted and held in a feeding guide portion.

  However, in any of the above-described holding methods or methods of use, it is necessary to secure a holding part larger than the use part in the sheet-like file as a part for holding the sheet-like file. In addition, there are cases where the holding portion of the sheet file cannot be used as a polishing surface or a grinding surface. Therefore, there is a problem that waste is generated in the sheet-like file. In addition, when the user grinds the edge of a plate-shaped workpiece using a sheet file, for example, the user may injure the wound by grinding the workpiece, or grind and scratch a portion other than the grinding portion. There is a risk.

  Patent Document 2 discloses a holding tool for an abrasive sheet provided with a substrate having a predetermined shape that can be gripped. In the polishing sheet holder described in Patent Document 2, a locking means capable of detachably attaching the back surface of the polishing sheet is provided on the surface of the base material having the spread. However, in the polishing sheet holder described in Patent Document 2, when the user polishes the corners and ends of the workpiece, the angle of the polishing sheet with respect to the corners and ends of the workpiece (polishing) (Angle) is not stable.

Utility Model Registration No. 3073345 JP-A-10-235565

  The present invention has been made in order to solve the above-described problem, and it is possible to suppress generation of waste in a sheet-like file, to prevent a portion other than a grinding portion from being damaged, or to stabilize a grinding angle. An object of the present invention is to provide a sheet-like file holder.

  The sheet-shaped file holder according to the present invention is a sheet-shaped file holder that holds the sheet file and is used by an operator when holding the object to be ground. A base having an inner surface for holding a file and having a linear axis formed on the surface; and provided at an intersecting portion where the inner surface and the surface intersect each other, from the surface toward the inner side of the groove And formed protrusions. The protrusions are provided at the intersecting portions at both ends of the inner surface in a cross section in a direction perpendicular to the axis direction. The length of each of the protrusions provided at both ends protruding from the surface toward the inside of the groove is less than half of the length between the ends.

  According to the present invention, it is possible to provide a sheet-shaped file holder capable of suppressing generation of waste in a sheet-shaped file, suppressing damage to portions other than a grinding portion, or stabilizing a grinding angle. Can do.

It is a perspective view showing the holder of the sheet-like file which concerns on embodiment of this invention. It is a perspective view showing the holder of the sheet-like file which concerns on embodiment of this invention. FIG. 3 is a cross-sectional view taken along a cutting plane A1-A1 illustrated in FIG. 2. FIG. 3 is a cross-sectional view taken along a cutting plane A2-A2 illustrated in FIG. It is sectional drawing which illustrates an example of the usage method of the holder of the sheet-like file which concerns on this embodiment. It is a perspective view showing the holder of the sheet-like file which concerns on the modification of this embodiment.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.
The embodiments described below are preferable specific examples of the present invention, and thus various technically preferable limitations are given. However, the scope of the present invention is particularly limited in the following description. Unless otherwise stated, the present invention is not limited to these embodiments. Moreover, in each drawing, the same code | symbol is attached | subjected to the same component and detailed description is abbreviate | omitted suitably.

Basic Embodiment of the Invention The embodiment of the present invention shown in FIGS. 1 to 6 is a holder for a sheet-like file 5 that is held by a hand when an operator grinds an object to be ground 6. Regarding 2. The sheet-shaped file holder 2 includes a base 3 on which a groove 31 is formed on a surface 32, and a protruding portion 4 that is formed from the surface 32 of the groove 31 toward the inside of the groove 31. The protrusion 4 is provided at the intersecting portions 35 and 36 at both ends 313 and 314 of the inner surface 311 of the groove 31 in a cross section perpendicular to the direction of the axis 312 of the groove 31. The lengths D1 and D2 at which the protrusions 4 provided at both ends 313 and 314 protrude from the surface 32 of the base 3 toward the inside of the groove 31 are half of the length D3 between the ends 313 and 314. Is less than. Therefore, the sheet-like file 5 is held on the inner surface 311 of the groove 31 by being hooked and supported by the protrusions 4 at both ends of the sheet-like file 5. In other words, the state in which the sheet-like file 5 is held by the inner surface 311 of the groove 31 is maintained by the protruding portions 4 provided at the intersecting portions 35 and 36 at both ends 313 and 314 of the inner surface 311. Therefore, it is not necessary to secure a holding part larger than the use part (part to be ground) in the sheet-like file as a part for holding the sheet-like file. In other words, the sheet-like file 5 has an area equivalent to the area of the inner surface 311 of the groove 31, so that the sheet-like file 5 is held on the inner surface 311 of the groove 31 and is prevented from being detached from the inner surface 311 of the groove 31 by the protrusion 4. Thereby, this invention has the outstanding advantage that it can suppress that wastefulness arises in the sheet-like file 5, can suppress parts other than a grinding location from being damaged, or can stabilize a grinding angle. It is.
Hereinafter, after describing the definition, further details of the sheet-like file holder 2 according to the present invention will be described.

Definition
Sheet-shaped file The sheet-shaped file held by the sheet-shaped file holder according to the present invention has abrasive grains fixed to the surface of a sheet material. The material of the sheet material of the sheet-like file is not particularly limited, and is, for example, paper or cloth. Examples of the sheet file include a sandpaper, a net file, and an electrodeposited diamond sheet. Further, the material, type, count, etc. of the abrasive grains of the sheet-like file are not particularly limited.

Workpiece to be ground The sheet-like file holder according to the present invention holds the sheet-like file and is used by an operator by hand when grinding the work piece. The workpiece is not particularly limited and is, for example, an inorganic plate. Moreover, the location (grinding location) of the workpiece to be ground by the sheet-like file is not particularly limited, and is, for example, an end portion and a corner portion of the inorganic plate.

The inorganic plate as the object to be ground is made of, for example, ceramic, stone, or glass. According to one aspect of the present invention, in the present invention, the inorganic plate is preferably used as a flat plate as a finishing material for exterior or interior walls, floors, ceilings, cabinet face materials, and counter finishing materials. Therefore, the inorganic board may have a decorative surface on which a design is applied and a construction surface that is attached to a construction surface such as a casing. Moreover, the magnitude | size of an inorganic board is not specifically limited. According to one aspect of the present invention, the inorganic plate has, for example, a short side exceeding 300 mm and an area exceeding 900 cm ² . The length of the short side of the inorganic plate is preferably 600 mm or more, more preferably 900 mm or more.

  In the present invention, the inorganic plate as an object to be ground may have a glaze layer on its surface. The ingredient of the glaze is not particularly limited. The glaze layer may be formed by either glazing after molding and firing integrally with the molded body, or by firing after glazing the calcined body (calcined body). Furthermore, you may provide a drying process before and after glazing.

Hereinafter, a sheet-shaped file holder according to the present invention will be described with reference to the drawings.
1 and 2 are perspective views showing a sheet-shaped file holder according to an embodiment of the present invention.
3 is a cross-sectional view taken along a cutting plane A1-A1 shown in FIG.
4 is a cross-sectional view taken along a cutting plane A2-A2 shown in FIG.

  The sheet-shaped file holder 2 according to the present embodiment holds the sheet-shaped file 5 (see FIGS. 3 and 4) and holds it by hand when the operator grinds the workpiece 6 (see FIG. 5). Used. The sheet-shaped file holder 2 includes a base 3 and a protrusion 4. The protrusion 4 may be formed integrally with the base 3, and may be provided separately from the base 3 and detachable from the base 3 as described later with reference to FIG. 6. .

  As shown in FIGS. 1 and 2, the base 3 is a three-dimensional or block-like object, and has a groove 31 formed on the surface 32. For example, the user can use the sheet-shaped file holder 2 by holding both sides of the surface 32 on which the groove 31 is formed by hand. The size of the base 3 is not particularly limited as long as the user can hold it with one hand or both hands. The material of the base 3 is not specifically limited, For example, they are wood, metals, such as aluminum, resin. The outer surface of the base 3 may be a plane as illustrated in FIGS. 1 and 2, may be a curved surface, or may be a surface in which a plane and a curved surface are combined. Alternatively, the outer surface of the base 3 may be formed in a shape that is easy for the user to grip.

  The groove 31 is formed on the surface 32 of the base 3 and has an inner surface 311 that holds the sheet-like file 5. As shown in FIGS. 1 and 2, the shaft 312 of the groove 31 extends linearly. As shown in FIG. 3, the inner surface 311 of the groove 31 has an arc shape. However, the shape of the inner surface 311 of the groove 31 is not limited to a circular arc in a cross section perpendicular to the direction of the axis 312 (transverse cross section: see FIG. 3), for example, an ellipse, a trapezoid, or a triangle. There may be.

  In the sheet-shaped file holder 2 shown in FIGS. 1 and 2, the groove 31 is formed across the side surfaces 33 and 34 on both sides of the base 3. The side surfaces 33 and 34 of the base 3 are surfaces that intersect the surface 32 and intersect the axis 312 of the groove 31. That is, the groove 31 is formed between one end 315 on one side 33 of the base 3 and the other end 316 on the other side 34 of the base 3.

  Note that at least one of the end portions 315 and 316 of the groove 31 may be closed without reaching the side surfaces 33 and 34 of the base 3. Alternatively, at least one of the end portions 315 and 316 of the groove 31 may be formed to reach the side surfaces 33 and 34 of the base 3 and may have a recess in the side surfaces 33 and 34. Good. In addition, in the cross section perpendicular to the direction of the axis 312, the shape and size of the groove 31 may be constant from one end 315 to the other end 316, It may change between the other end 316. For example, in a cross section in a direction perpendicular to the direction of the axis 312, the width of the groove 31 may be narrowed from one end 315 toward the other end 316 or may be widened. Alternatively, in the cross section perpendicular to the direction of the axis 312, the depth (height) of the groove 31 may be deeper (higher) from one end 315 toward the other end 316. It may be shallow (lower). As shown in FIG. 4, the shape of the inner surface 311 of the groove 31 (the shape of the bottom line of the groove 31) is preferably a straight line in the cross section (longitudinal cross section) along the axis 312. Thereby, good workability of grinding is obtained.

  As shown in FIG. 3, the protrusion 4 is provided at the intersections 35 and 36 where the inner surface 311 of the groove 31 and the surface 32 of the base 3 intersect each other, and the groove 31 extends from the surface 32 of the base 3. It is formed toward the inside. Specifically, the protruding portion 4 has a cross section 35 at one end 313 of the inner surface 311 of the groove 31 and the other end of the inner surface 311 of the groove 31 in a cross section perpendicular to the direction of the axis 312. It is provided in the intersection part 36 in the part 314. The lengths D1 and D2 that the protrusion 4 protrudes from the surface 32 of the base 3 toward the inside of the groove 31 are less than half of the length D3 between both ends 313 and 314 of the groove 31. Therefore, as shown in FIGS. 3 and 4, the user can install and hold the sheet-like file 5 on the inner surface 311 of the groove 31 through the opening of the groove 31.

  As shown in FIG. 4, the protrusion 4 is provided continuously along the direction of the shaft 312. In the sheet-shaped file holder 2 according to this embodiment, the protrusion 4 is provided from one end 315 of the groove 31 to the other end 316 of the groove 31 when viewed along the direction of the shaft 312. ing. The protruding portion 4 does not necessarily have to be provided from one end 315 of the groove 31 to the other end 316 of the groove 31. For example, a plurality of protrusions may be arranged side by side along the direction of the axis 312 with a predetermined interval.

  As shown in FIGS. 1 and 2, the protruding portion 4 preferably has a stopper portion 41. The stopper portion 41 is provided at intersections 37 and 38 where the inner surface 311 of the groove 31 and the side surfaces 33 and 34 of the base 3 intersect each other. Specifically, the stopper portion 41 includes an intersecting portion 37 where the inner surface 311 of the groove 31 and one side surface 33 of the base 3 intersect each other, and the inner surface 311 of the groove 31 and the other side surface 34 of the base 3. And an intersecting portion 38 that intersects each other. That is, the stopper portion 41 is a part of the protruding portion 4 and is provided at both ends of the protruding portion 4. The stopper portion 41 is formed from the side surfaces 33 and 34 of the base 3 toward the inside of the groove 31. Therefore, the stopper portion 41 can prevent the sheet-like file 5 held on the inner surface 311 of the groove 31 from moving along the shaft 312 and coming off from the inner surface 311 of the groove 31.

Next, a method of using the sheet-shaped file holder 2 according to the present embodiment will be described with reference to the drawings.
FIG. 5 is a cross-sectional view illustrating an example of a method of using the sheet-shaped file holder according to the present embodiment.

  First, the user installs the sheet-like file 5 on the inner surface 311 of the groove 31 through the opening of the groove 31. At this time, the sheet-like file 5 is held on the inner surface 311 of the groove 31 by the both ends of the sheet-like file 5 being hooked and supported by the protrusion 4.

  When the protruding portion 4 does not have the stopper portion 41, the user can form a sheet from the one of the side surface 33 and the side surface 34 toward the other side of the side surface 33 and the side surface 34 along the axis 312. By moving the file 5, the sheet-shaped file 5 may be installed and held on the inner surface 311 of the groove 31.

  Subsequently, the user holds the base 3 so that the palm is in contact with or close to the surface 32 of the base 3. Or a user grasps by hand so that the both sides of the surface 32 in which the groove | channel 31 was formed may be pinched | interposed, or it fixes to an instrument. Subsequently, as shown in FIG. 5, the user inserts the end or corner of the workpiece 6 into the space (groove 31) sandwiched between the pair of protrusions 4, for example, along the axis 312. By moving the sheet-shaped file holder 2, a grinding operation is performed with the sheet-shaped file 5. As a result, the user can easily chamfer or deburr the edges and corners of the workpiece 6 while preventing the workpiece 6 from being cut.

  According to the sheet-shaped file holder 2 according to the present embodiment, the sheet-shaped file 5 is held on the inner surface 311 of the groove 31 by being hooked and supported by the protruding portions 4 at both ends of the sheet-shaped file 5. . In other words, the state in which the sheet-like file 5 is held by the inner surface 311 of the groove 31 is maintained by the protruding portions 4 provided at the intersecting portions 35 and 36 at both ends 313 and 314 of the inner surface 311. Therefore, it is not necessary to secure a holding part larger than the use part (part to be ground) in the sheet-like file as a part for holding the sheet-like file. In other words, the sheet-like file 5 has an area equivalent to the area of the inner surface 311 of the groove 31, so that the sheet-like file 5 is held on the inner surface 311 of the groove 31 and is prevented from being detached from the inner surface 311 of the groove 31 by the protrusion 4. Thereby, the sheet-shaped file holder 2 according to the present embodiment can suppress the waste of the sheet-shaped file 5.

  The protrusion 4 is provided at intersections 35 and 36 where the inner surface 311 of the groove 31 and the surface 32 of the base 3 intersect each other, and is formed from the surface 32 of the base 3 toward the inside of the groove 31. Therefore, it can suppress that parts other than the grinding location of the to-be-ground thing 6 are damaged. For example, as shown in FIG. 5, the protruding portion 4 can suppress the surfaces 61 and 62 other than the ends and corners of the workpiece 6 from coming into contact with the sheet-like file 5 and being damaged.

  In addition, as shown in FIG. 5, the user applies the protrusion 4 to the surfaces 61 and 62 of the workpiece 6, so that the angle of the sheet-like file 5 with respect to the end or corner of the workpiece 6 ( Grinding angle) can be stabilized. Thereby, the chamfering excellent in linearity and smoothness can be performed using the holder 2 of a sheet-like file.

  Further, since the protrusion 4 is continuously provided along the direction of the shaft 312, the grinding work is performed while suppressing the object to be ground 6 from being caught by the protrusion 4 in the range where the protrusion 4 is provided. be able to. Further, when viewed along the direction of the shaft 312, since the protruding portion 4 is provided from one end 315 of the groove 31 to the other end 316 of the groove 31, the sheet-like file 5 is The entire inner surface 311 is held. Thereby, the site | part of the to-be-ground thing 6 of a wider area can be efficiently ground using the sheet-like file 5 of a wider area. The sheet file holder 2 according to this embodiment can be manufactured by extrusion.

  Further, since the protruding portion 4 has the stopper portion 41, even when the user moves the sheet-shaped file holder 2 along the shaft 312 and performs a grinding operation, the sheet-shaped file 5 is attached to the shaft 312. It is possible to suppress the movement along the inner surface 311 of the groove 31. That is, the stopper portion 41 of the protruding portion 4 can prevent the sheet-like file 5 from being detached from the inner surface 311 of the groove 31 along the axis 312.

Next, a sheet-shaped file holder according to a modification of the present embodiment will be described with reference to the drawings.
In addition, when the component of 2 A of sheet-like file holders which concern on this modification is the same as the component of the holder 2 of the sheet-like file which concerns on embodiment mentioned above regarding FIGS. The description to be made will be omitted as appropriate, and the following description will focus on the differences.

FIG. 6 is a perspective view showing a sheet-shaped file holder according to a modification of the present embodiment.
As shown in FIG. 6, in the sheet-shaped file holder 2 </ b> A according to the present modification, the protruding portion 4 is provided separately from the base 3 and is detachable from the base 3. . In this respect, the sheet-shaped file holder 2A according to the present modification is different from the sheet-shaped file holder 2 according to the embodiment described above with reference to FIGS. The sheet-shaped file holder 2 </ b> A in a state where the protrusion 4 is mounted on the base 3 is the same as the sheet-shaped file holder 2 described above with reference to FIGS. 1 to 5.

  According to the sheet-shaped file holder 2A according to this modification, even if the protruding portion 4 is damaged, the user can replace the member that forms the protruding portion 4 to replace the sheet-shaped file. The holder 2A can be used. Further, when the sheet-shaped file 5 is sandwiched between the surface 32 of the base 3 and the member that forms the projecting portion 4, a higher holding force of the sheet-shaped file 5 with respect to the sheet-shaped file holder 2A is obtained. can get.

  The embodiment of the present invention has been described above. However, the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the claims. A part of the configuration of the above embodiment can be omitted, or can be arbitrarily combined so as to be different from the above.

2, 2A ... Sheet-shaped file holder, 3 ... Base, 4 ... Projection, 5 ... Sheet-shaped file, 6 ... Object to be ground, 31 ... Groove, 32 ... Surface, 33,34 ... Side, 35,36,37,38 ... Intersection, 41 ... Stopper part, 61,62 ... Surface, 311 ... Inner surface, 312 ... .Shaft, 313, 314, 315, 316 ... end

Claims (5)

A sheet file holder that holds a sheet file and is used by an operator when holding the object to be ground.
A base having an inner surface for holding the sheet-like file and a groove having a linear axis formed on the surface;
A protrusion provided at an intersecting portion where the inner surface and the surface intersect each other and formed from the surface toward the inside of the groove;
With
The protrusion is provided at the intersecting portion at both ends of the inner surface in a cross section in a direction perpendicular to the direction of the axis,
The length of each of the protrusions provided at both ends protruding from the surface toward the inside of the groove is less than half of the length between the ends. Retaining tool.   The sheet-like file holder according to claim 1, wherein the protruding portion is provided continuously along the direction of the axis.   The sheet-like file according to claim 2, wherein the protrusion is provided from one end of the groove to the other end of the groove when viewed along the direction of the axis. Retaining tool. The base has a side surface that intersects the surface and intersects the axis;
The said protrusion part has a stopper part provided in the cross | intersection part where the said inner surface and the said side surface mutually cross | intersect, and it formed toward the inner side of the said groove | channel from the said side surface. The sheet file holder according to Item 1. The sheet-like file holder according to any one of claims 1 to 4, wherein the protruding portion is detachably provided on the surface.

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