JP3103307U - Eyelet mounting tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a grommet member mounting tool which can be used irrespective of the thickness of a grommet substrate and the grommet position.
SOLUTION: This is a tool for mounting an eyelet member for reinforcing a hole provided in a sheet, a curtain, or the like, and hinges a lower mold support plate having a punch lower mold and an upper mold support plate having an upper punch mold. The lower die support plate and the upper die support plate are connected with each other, and the punch lower die and the punch upper die are configured to be freely openable and closable, and a pin member constituting the hinge portion is freely inserted and removed. The structure was separable.
[Selection diagram] Fig. 1

Description

  The present invention relates to a tool for mounting an eyelet member that reinforces a hole provided in a base material such as a sheet or a curtain, and more particularly, to a eyelet member at a predetermined position on a base material regardless of the size of the base material. The present invention relates to an eyelet member mounting tool that can be mounted.

  2. Description of the Related Art Conventionally, a hole is provided in a base material such as a sheet or a curtain, a string or a rope is passed through, or a member such as a bracket is attached. In order to reinforce the hole, an annular metal member (eyelet member made of brass or aluminum) is attached to the hole.

  When mounting the eyelet member in the hole, the base material is placed so as to match the hole of the base material with the front eyelet, and a ring-shaped backing is pressed from above, or It is attached so that it is swaged.

  Methods for caulking the eyelet members are roughly classified into two types: a type of gripping a handle (eyelet punch) and a type of hitting with a wooden mallet or a hammer (eyelet punch). There is also a type in which the eyelet punch and the eyelet punch are combined, and a handle is gripped and further struck.

In addition, in order to caulk the shape of the eyelet portion into a uniform shape over the entire circumference, an eyelet member mounting having an annular groove portion for pressing the eyelet member and a protrusion for preventing deformation in the inner circumferential direction. A tool has already been published (for example, see Patent Document 1).
JP-A-2002-361339 (pages 1-4, FIG. 1)

  When attaching the eyelet member to a relatively thin base material such as a sheet or a curtain, if the mounting position is a position close to the end of the base material, a handle-type eyelet punch having a predetermined arm length can be used. .

  However, in the case where the base material for eyelet is thick or the position where the eyelet is located far from the end of the base material, it is impossible with a handle type eyelet punch, and the female lower punch and the male upper punch are separated. It is necessary to separate them and arrange them up and down with the base material between them, and then hit them with a mallet or hammer to attach them.

  Therefore, when attaching the eyelet members to various base materials, it is necessary to prepare a plurality of types of eyelet punches having different arm lengths and eyelet punches.

  An object of the present invention is to provide a grommet member mounting tool that can be used irrespective of the thickness of the grommet substrate and the grommet position.

  In order to achieve the above object, the invention according to claim 1 is a tool for mounting an eyelet member that reinforces a hole provided in a sheet, a curtain, or the like, wherein the lower die supporting plate having a lower punch and the upper punch are provided. An upper mold supporting plate provided with a mold is connected at a hinge portion so as to be openable and closable, and a pin member constituting the hinge portion is freely inserted and removed, so that the lower mold supporting plate and the upper mold supporting plate are separated from each other. It is characterized by being separable.

  According to the invention of the first aspect having the above configuration, the lower die supporting plate having the punch lower die and the upper die supporting plate having the punch upper die can be freely opened and closed to be used as an eyelet punch. . In addition, the lower mold support plate and the upper mold support plate can be separated and used separately as an eyelet punch.

  The invention according to claim 2 is characterized in that the pin member is constituted by a pin body and a bent portion, and the pin body is provided with a mandrel having a length substantially equal to the width of the hinge and a projection provided on the mandrel. The bending portion is attached to the projecting portion so as to be freely bent, so that the bending portion can be bent with respect to the pin main body. After inserting the pin member into the hinge portion, the bending portion is bent and folded. The lower die support plate and the upper die support plate are connected to each other.

  According to the invention according to claim 2 having the above configuration, simply extending or bending the bent portion of the pin member with respect to the pin main body, pulling out and inserting the pin member from the hinge portion, the lower mold support plate and the upper die support plate. Connection and separation with the mold support plate can be performed.

  The invention according to claim 3 is characterized in that the pin member is composed of a pin body and a screw portion, and the pin body is a mandrel having a length slightly longer than the width of the hinge portion, and is larger than a diameter of the mandrel. A small-diameter screw portion is projected from the mandrel portion to extend, and a nut member is screwed to the screw portion. After the pin member is inserted into the hinge portion, the nut member is screwed, and the lower member is screwed. The present invention is characterized in that a mold support plate and the upper mold support plate are connected to each other.

  According to the invention of the third aspect having the above configuration, it is possible to connect and disconnect the lower mold support plate and the upper mold support plate by attaching and detaching the nut member and inserting and removing the pin member.

  The invention according to claim 4 is characterized in that the nut member is a wing nut.

  According to the invention according to claim 4 having the above configuration, the nut member can be attached and detached without a tool such as a spanner.

  The invention according to claim 5 is characterized in that the hinge portion cuts end portions of the lower mold support plate and the upper mold support plate into a comb shape, and rounds the comb end portion into a cylindrical shape to form a comb-shaped hinge shape. Characterized in that it is configured to be engaged with.

  According to the invention according to claim 5 having the above configuration, the hinge portion is formed by directly processing the end portion of the support plate made of sheet metal, so that another hinge member is unnecessary and the configuration is inexpensive.

  The invention according to claim 6 is characterized in that the lower mold support plate and the upper mold support plate are each provided with an arc-shaped convex portion at a central portion thereof to be rounded.

  According to the invention according to claim 6 having the above-described configuration, it is safe to perform the caulking operation while gripping the support plate, and there is no damage.

  The invention according to claim 7 is characterized in that both the lower punch and the upper punch have an annular groove for accommodating an eyelet member.

  According to the invention according to claim 7 having the above configuration, the eyelet member can be held at an accurate position, and the eyelet member can be safely mounted at a correct position.

  According to the present invention, an eyelet punch in which a lower die supporting plate having a punch lower die and an upper die supporting plate having an upper punch die are openably and closably assembled is also provided. It can also be used as an eyelet punch which is separated from the mold supporting plate and can be used independently of the thickness of the base material to be eyeletted and the eyelet member mounting tool which can be used regardless of the eyelet position.

  The purpose of obtaining a tool for attaching eyelet members that can be used irrespective of the thickness of the substrate to be eyeletted and the position of the eyelet is to support the lower die supporting plate with the lower punch and the upper die with the upper punch. The lower die support plate and the upper die are connected to each other by a hinge portion so that the punch lower die and the punch upper die can be freely opened and closed, and a pin member constituting the hinge portion can be freely inserted and removed. This was achieved by making the support plate and the support plate separable.

  Hereinafter, an embodiment of the eyelet member mounting tool according to the present invention will be described with reference to FIGS. 1 to 4.

  The eyelet member mounting tool 1 according to the present invention is a tool for mounting a brass or aluminum eyelet member in order to reinforce a hole previously drilled with a punch or the like in a base material such as a sheet or a curtain. As shown in FIGS. 1 and 3A, the lower die supporting plate 20 having the lower punch 2 and the upper die supporting plate 30 having the upper punch 3 are connected by a hinge 10. It can be opened and closed freely. For this purpose, the lower punch 2 and the upper punch 3 are configured to be able to freely contact and separate from each other with the hinge 10 as the opening / closing fulcrum.

  As shown in FIG. 3B, when attaching the eyelet member 5 to the hole 4a provided in the base material 4, the front eyelet 50 constituting the eyelet member 5 is attached to the hole 4a, and A ring-shaped backing plate 60 is placed, and the front eyelet 50 and the backing plate 60 are compressed and caulked by the lower punch 2 and the upper punch 3.

  As shown in FIG. 1, the hinge portion 10 is formed by cutting the end of the lower mold support plate 20 into a comb shape and rounding the comb-like end into a cylindrical shape, and the end of the upper mold support plate 30 The portion is cut into a comb shape, the comb-shaped end is rounded into a cylindrical shape, and the connecting portion 31 is engaged in a comb-shaped hinge shape, and the pin member 11 is inserted.

  At this time, as shown in FIG. 2A, the pin member 11 is composed of a pin body 12 and a bent portion 13, and the pin body 12 has a length substantially equal to or slightly longer than the width H of the hinge portion. An L-shaped mandrel portion 12a and a protruding portion 12b provided on the mandrel portion 12a are provided, and the bent portion 13 is attached to the protruding portion 12b so as to be freely bent. This can be achieved by providing a cut-out portion 13a in the bent portion 13, inserting the protruding portion 12b into the cut-out portion 13a, fitting a pin 14, and fixing the pin. Also, at this time, by setting the looseness of the fitting between the protruding portion 12b and the bending portion 13 to an appropriate fitting, it is possible to make it possible to bend lightly manually by an operator. .

  For this purpose, the lower mold support plate 20 and the upper mold support plate 30 are each connected to each other by rounding the cylindrically shaped connecting portions into a comb-shaped hinge shape, and the bent portion 13 is extended with respect to the pin body 12. The hinge portion 10 is formed by inserting the pin member 11 and bending and folding the bent portion 13 projecting from a position protruding beyond the width H of the hinge portion.

  At this time, by setting the length L of the stem 12a of the pin member 11 to be substantially the same as the width H of the hinge portion, when the bent portion 13 is bent and folded, the lower mold is tightly closed without gaps. The support plate 20 and the upper die support plate 30 can be preferably connected.

  As shown in FIG. 2 (b), a mandrel 12c having a length LA slightly longer than the width H of the hinge portion, and projecting from and extending from the mandrel 12c and having a diameter smaller than the diameter of the mandrel 12c. The pin member 11A having the threaded portion 12d may be adopted, and the nut member 15 may be screwed to the threaded portion to form the hinge portion 10A.

  Since the length LA of the mandrel portion 12c is slightly longer than the width H of the hinge portion, even if the nut member 15 is screwed in and tightened, the connection between the lower mold support plate 20 and the upper mold support plate 30 to be connected. Opening and closing operations can be easily performed. Further, it is preferable to use a wing nut 15A as the nut member 15 because the operator can easily tighten or loosen it manually without using a tool such as a spanner.

  Next, referring to FIG. 4, a description will be given of an eyelet work in which a hole is provided in a base material such as a sheet or a curtain, and an eyelet member for reinforcing the hole is mounted.

  A hole is provided in advance at a position where the eyelet of the base material 4 such as a sheet or a curtain is formed. Next, a front eyelet 50 constituting the eyelet member 5 is attached to this hole, and a ring-shaped backing plate 60 is pressed or struck over the eyelet 50 and attached.

  The front eyelet 50 is formed of an annular base portion 51 and a cylindrical projecting eyelet portion 52 at the center of the base portion 51, and the base portion 51 has an annular convex portion 51a (lower side in the figure). Protruding toward).

  Further, the back seat 60 forming a pair with the front eyelet 50 is a ring-shaped member provided with a hole 61 through which a cylindrical eyelet portion 52 is inserted, and a folded portion 62 is provided on a peripheral edge thereof, A concave portion 63 protruding downward in the figure is formed in the ring-shaped inner diameter portion.

  At the time of eyelet attachment, the front eyelet 50 is placed on the lower punch 2 of the eyelet member mounting tool 1, and the back seat 60 is fitted to the cylindrical eyelet portion 52 of the front eyelet 50. The upper punch 3 is engaged with the portion 52.

  The punch lower die 2 has a through hole 2b at an axial center thereof and an annular groove 2a for accommodating an annular convex portion 51a provided at a base 51 of the front eyelet 50. The upper punch 3 has a flat portion 3a, a tapered protrusion 3b located at the center thereof, and an annular groove 3c at the root of the protrusion.

  For this purpose, the front eyelet 50 is mounted so as to penetrate through the hole of the base material 4, and the backing seat 60 is placed thereon at a position 60 </ b> A indicated by an imaginary line, and the eyelet member 5 is mounted from above and below. Eyelet that engages with the annular groove portion 3c while securely holding the eyelet member 5 when being clamped by pressing and hitting between the lower punch 2 and the upper punch 3 of the tool 1 52 can be pressed and deformed, and pressed against the recess 63 of the back seat 60 to be caulked.

  Further, as described above, since the lower punch 2 is provided with the through-hole 2b at the axial center thereof, the lower punch 2 is sandwiched between the lower punch 2 and the upper punch 3 to be pressed or struck. At this time, compressed air can be released, and caulking can be performed without generating back pressure.

  Both the front eyelet 50 and the back seat 60 that constitute the eyelet member 5 are made of brass or aluminum thin sheet metal, and the operator grips the lower die supporting plate 20 and the upper die supporting plate 30. By pressing or hitting, the eyelets 52 can be easily deformed and caulked.

  In addition, the end portion 20a of the lower die support plate 20 and the end portion 30a of the upper die support plate 30 are formed by folding a sheet metal so as to withstand a hit when caulking and caulking, thereby giving strength as a double structure. And

  Further, an arc-shaped convex portion 22 is formed at a substantially central portion of the lower die supporting plate 20, and an arc-shaped convex portion 32 is provided at a substantially central portion of the upper die supporting plate 30, so that a mountain-shaped rounded handle portion is provided. (See FIG. 1). With such a configuration, even with the lower die support plate 20 and the upper die support plate 30 made of sheet metal, the respective arc-shaped protrusions can be safely and firmly gripped with one hand. .

  Of course, the pin member 11 is pulled out of the hinge portion 10 to separate the lower die support plate 20 and the upper die support plate 30, and as shown in FIG. 3 (b), the lower die support plate 20 and the upper die support plate 20 are separated. When the eyelet is performed by placing the plate 30 in a parallel state and arranging it on the upper and lower sides of the base material 4, the arc-shaped convex portion 32 of the upper die supporting plate 30 is gripped with one hand and the other hand is gripped with a mallet or the like. By hitting, the eyelet work can be performed safely and reliably.

  As described above, the eyelet member mounting tool 1 according to the present invention is configured such that the lower die supporting plate having the lower punch and the upper die supporting plate having the upper punch are connected to each other at the hinge portion so as to be freely opened and closed. The lower die support plate and the upper die support plate are configured to be separable from each other so that the pin member constituting the hinge portion can be freely inserted and removed. When the material is thin, it can be used as an eyelet punch in which the lower mold support plate and the upper mold support plate are connected. Further, when the substrate to be eyeletted is thick or the position where the eyelet is to be separated from the edge of the substrate, the lower die supporting plate and the upper die supporting plate can be separated and used as an eyelet punch.

  That is, according to the present invention, it is possible to obtain a grommet member mounting tool that can be used regardless of the thickness of the grommet base material and the grommet position.

  Further, a pin member attached to the hinge portion can be freely inserted and removed, and the pin member is provided with a bent portion and can be bent freely, or a screw member is provided on the pin member and manually tightened with a nut, so that a spanner is used. The eyelet member mounting tool 1 can be integrally assembled or separated without using such tools.

FIG. 3 is a perspective view showing the configuration of the eyelet member mounting tool according to the present invention. It is a perspective view which shows the eyelet member mounting tool which concerns on this invention, (a) is an eyelet member mounting tool provided with a bendable pin member, (b) is an eyelet member provided with a pin member which has a screw part. It is a mounting tool. It is a side view which shows the example of use of the eyelet member mounting tool which concerns on this invention, (a) is an example used as an eyelet punch, (b) is an example used as an eyelet punch. It is an expanded sectional view showing a punch part to which an eyelet member is attached.

Explanation of reference numerals

1 Tools for mounting eyelet members
2 punch lower mold
2a annular groove
3 Upper punch
3c annular groove
4 Base material
5 Eyelet member 10 Hinge part 11 Pin member 12 Pin body 12a Mandrel part 12b Projecting part 12c Mandrel part 12d Screw part 13 Bending part 15 Nut member 15A Wing nut 20 Lower support plate 22 Arc-shaped protrusion 30 Upper support plate 32 Circle Arc-shaped convex part 50 Front eyelet 60 Back seat

Claims (7)

A tool for attaching eyelet members for reinforcing holes provided in a sheet, a curtain, or the like,
The lower die supporting plate having the lower punch and the upper die supporting plate having the upper punch are connected by a hinge so as to be openable and closable, and a pin member constituting the hinge can be freely inserted and removed. An eyelet member mounting tool, wherein the lower die support plate and the upper die support plate are configured to be separable. The pin member includes a pin body and a bent portion, and the pin body includes a mandrel having substantially the same length as the width of the hinge portion, and a protrusion provided on the mandrel. By bending the part, the bent part can be bent with respect to the pin body, and after inserting the pin member into the hinge part, the bent part is bent and folded, and the lower mold support plate and the lower mold support plate are bent. The eyelet member mounting tool according to claim 1, wherein the eyelet member mounting tool is configured to be connected to an upper mold supporting plate. The pin member is composed of a pin body and a screw portion, and the pin body is a mandrel having a length slightly longer than the width of the hinge portion, and the screw portion having a diameter smaller than the diameter of the mandrel is formed by the mandrel. And a nut member screwed into the screw portion, the nut member is screwed in after the pin member is inserted into the hinge portion, and the lower mold support plate and the upper mold support are screwed. The eyelet member mounting tool according to claim 1, wherein the eyelet member mounting tool is configured to be connected to a plate. The eyelet member mounting tool according to claim 3, wherein the nut member is a wing nut. The hinge portion has a configuration in which the ends of the lower mold support plate and the upper mold support plate are cut into a comb shape, the comb-shaped end portions are rounded into a cylindrical shape, and meshed in a comb-shaped hinge shape. The eyelet member mounting tool according to any one of claims 1 to 4, characterized in that: The eyelet member mounting according to any one of claims 1 to 5, wherein the lower mold support plate and the upper mold support plate are each provided with an arc-shaped convex portion at a central portion thereof to be rounded. Tools. The eyelet member mounting tool according to any one of claims 1 to 6, wherein both the lower punch die and the upper punch die have an annular groove for accommodating the eyelet member.

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