JP2010240143A - Stopper plate for flap stopper of school satchel, and method of manufacturing the stopper plate - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a stopper plate for a flap stopper of a school satchel, which is capable of lowering the bulk of a fixing plate of the school satchel for fixing a plate body by narrowing the width of the plate body and lowering the bulk of the plate body itself, and capable of preventing the increase of the total weight of the school satchel by reducing the weight of the plate body and the fixing plate, and to provide a method of manufacturing the stopper plate. <P>SOLUTION: Rivet holes 3 are provided in the right and left sides in the base end of the plate body 1, and a tab 4 is provided at the front end of the plate body 1. A plurality of engagement holes 5 for engaging a turnable tab body 13 provided in the center of the fixing plate 12 fixed to the bottom 11 of the school satchel R are disposed in the vertical direction, and projecting lines 6 projecting from the surface are formed on the right and left sides of the engagement holes 5 without extra space S to the engagement holes 5. The space S is formed between the projecting stripes 6 and the left or right side edge of the plate body 1, and the space S is bent to the rear side of the plate body 1 to make a bending part 7. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a stop plate used for a lid stopper of a school bag, and a method of manufacturing the stop plate.

  Conventionally, a stop plate for a lid stopper of this type of school bag is composed of a single plate body 21 as shown in FIGS. 9 and 10, and the plate is attached to the tip of the extension belt 23 of the lid 22 of the school bag R. It is assumed that the base end portion of the body 21 is fixed, the tip end portion of the plate body 21 is bent upward, and the knob portion 24 is provided, and is rotated around the center portion of the fixing plate 26 fixed to the bottom portion 25 of the school bag R. A plurality of engagement holes 28 are provided in the longitudinal direction of the plate body 21 for engaging the knobs 27 provided so as to be movable. Then, on the left and right side portions of the engagement hole 28, convex ridges 29 that are convex on the surface are formed for reinforcement so that an extra space S remains on the left and right. Further, a punch hole 30 for weight reduction is provided in the base end portion of the plate body 21, and a rivet hole 20 for riveting to the extension belt 23 is provided in the left and right side portions of the punch hole 30 ( Patent Document 1).

  Further, as shown in FIGS. 11 to 13, this kind of school bag for the lid stopper has a knob 34 provided on the plate body 31 in the same manner as shown in FIGS. In addition to the hole 38, the protruding line 39, the space S, the extraction hole 40, and the rivet hole 41, a protruding portion 42 is formed on the upper and lower portions of the engaging hole 38 so as to protrude from the back surface. Concave portions 43 are provided on the upper and lower portions of the knob 37 of the fixed plate 36. By fitting the convex portion 42 of the plate body 31 and the concave portion 43 of the fixing plate 36, it is possible to confirm that the plate body 31 has obtained a fixed position of the fixing plate 36 and is stopped (Patent Document). 2).

JP 2001-252121 A No. 2-35595

  9 and 10, the ridges 29 for reinforcing the plate body 21 are formed by stamping the plate body 21. That is, after the plate body 21 is punched from a sheet metal such as iron or stainless steel, the engagement hole 28, the hole 30 and the rivet hole 20 are first formed in the plate body 21 by punching, and then the ridges 29 are formed. It is formed by punching, and finally the knob 24 is formed by bending.

  Further, also in the conventional lid stopper plate shown in FIGS. 11 to 13, the ridge 39 for reinforcing the plate body 31 is formed by stamping the plate body 31. That is, after the plate body 31 is punched from a sheet metal such as stainless steel, the engagement hole 38, the punch hole 40, and the rivet hole 41 are first formed in the plate body 31 by punching, and then the protrusions 39 and the protrusions are formed. 42 is formed by punching, and finally the knob 34 is formed by bending.

  As described above, in the conventional lid stopper plate, the protrusions 29 and 39 punch the plate bodies 21 and 31 from the sheet metal, and further punch the engagement holes 28 and 38 from these plate bodies 21 and 31. Since the engagement holes 28 and 38 and the plate bodies 21 and 31 are formed by punching, it is necessary to leave extra spaces S on the left and right sides of the ridges 29 and 39. Distortion occurs around the joint holes 28 and 38 and the outer edges of the plate bodies 21 and 31.

  For this reason, in the conventional stopper plate, the spaces S provided on the left and right sides of the ridges 29 and 39 are about 2 mm at least in actual measurement.

  However, in the conventional stopper plate for the lid stopper, the extra space S provided on the left and right sides of the ridges 29 and 39 increases the lateral width of the plate bodies 21 and 31, which makes the plate body itself bulky. The width of the fixing plate 26 provided on the bottom portion 25 of the school bag R to which the plate bodies 21 and 31 are fixed is widened and the fixing plate 26 is also bulky, and the weight of the school bag R is increased by these weights. There was a problem that it would increase greatly.

  Therefore, the present invention solves the above-mentioned conventional problems, and by reducing the width of the plate body and reducing the bulk of the plate body itself, the bulk of the fixed plate of the school bag for fixing the plate body is reduced. The purpose of the present invention is to provide a stop plate for a lid stopper for a school bag that reduces the weight of the school bag, reduces the weight of the whole school bag, and a method for manufacturing the stopper plate. It is.

  The stop plate for the lid stopper of the school bag according to the present invention is provided with rivet holes 3 on the left and right side portions of the base end portion of the plate body 1 and with a knob portion 4 on the distal end portion of the plate body 1. 1 between the base end portion and the distal end portion of the 1, the engagement hole 5 for engaging the knob 13 provided rotatably in the center portion of the fixing plate 12 fixed to the bottom portion 11 of the school bag R, It is assumed that a plurality of protrusions are provided in the vertical direction, and the left and right side portions of the engagement holes 5 are not provided with an extra space S between the engagement holes 5 and are convex on the surface. 6, the space S is provided between the ridge 6 and the left and right side edges of the plate 1, and the space S is bent to the back side of the plate 1 to form a curved portion 7. .

  Furthermore, the stop plate for the lid stopper of the school bag according to the present invention is provided with a hole 2 at the base end of the plate body 1, rivet holes 3 at the left and right sides of the hole 2, and a hole at the distal end of the plate body 1. It is assumed that there is provided a knob 4 formed with 4a, and is provided between the base end portion and the tip end portion of the plate body 1 so as to be rotatable at the center portion of the fixed plate 12 fixed to the bottom portion 11 of the school bag R. It is assumed that a plurality of engagement holes 5 for engaging the knobs 13 are provided in the vertical direction, and extra space is provided between the engagement holes 5 on the left and right sides of the engagement holes 5. S is not provided, and convex ridges 6 that are convex on the surface are formed. The space S is provided between the ridges 6 and the left and right side edges of the plate 1, and the space S is The curved portion 7 is bent to the back side of the body 1.

  And in the stop plate for lid stoppers of the school bag of this invention, the said space S shall be 1-4 mm wide.

  The manufacturing method of the stopper plate according to the present invention is a first step in which the metal plate M is punched to form the rivet hole 3 and the metal plate M is punched to form the ridge 6. The second step of punching the sheet metal M to form the outer shape of the plate body 1, punching the plate body 1 to form the engagement hole 5, and bending the plate body 1 The knob portion 4 is bent upward, and the third step of forming the curved portion 7 is provided.

  Further, according to the method of manufacturing the stop plate for the lid stopper according to the present invention, the sheet metal M is punched to form the hole 2, the rivet hole 3, and the hole 4a of the knob 4, and the sheet metal M is stamped. The first step of forming the ridges 6, the second step of punching the sheet metal M to form the outer shape of the plate body 1, the punching of the plate body 1 to form the engagement hole 5 In addition, the plate body 1 is bent, and the knob 4 is bent upward to form the curved portion 7.

  Since the stopper plate for the lid stopper according to the present invention is configured as described above, the school bag for fixing the plate body by reducing the width of the plate body and reducing the bulk of the plate body itself. The fixed plate is made low in volume and light in weight, so the weight of the school bag does not increase greatly, and it becomes lightweight and easy to use when the user carries the school bag, increasing the commercial value of the school bag. It became something that could be done.

  The lid stop plate manufacturing method according to the present invention is configured as described above, so that a plate having a narrow width is formed so as not to cause distortion in the periphery of the engagement hole and the outer edge of the plate body. The body can be easily manufactured, so that it can be manufactured without increasing the cost.

It is a bottom view of the school bag using the stop plate for lid stoppers of this invention. It is a surface view of the stop plate for lid stoppers of this invention. It is a reverse view of the stop plate for lid stoppers of this invention. It is a side view of the stop plate for lid stoppers of this invention. It is an expanded sectional view of the stopper plate for lid stoppers of this invention by the AA line in FIG. It is a front view of the sheet metal of the stage which the 1st process of the manufacturing method of the stop plate for lid stoppers of this invention was complete | finished. It is a front view of the stop plate of the stage which the 2nd process of the manufacturing method of the stop plate for lid stoppers of this invention was complete | finished. It is sectional drawing of the stop plate of the stage which the 2nd process of the manufacturing method of the stop plate for lid stoppers of this invention by the BB line in FIG. 7a was complete | finished. It is a front view of the stop plate in the stage where the 3rd process of the manufacturing method of the stop plate for lid stoppers of this invention was completed. It is sectional drawing of the stop plate of the stage which the 3rd process of the manufacturing method of the stop plate for lid stoppers of this invention by the CC line in FIG. 8a was complete | finished. It is a bottom view of the school bag using an example of the conventional stopper plate for lid stoppers. FIG. 10 is a perspective view of a lid stopper stopper plate shown in FIG. 9 and a fixing plate for fastening the stopper plate. The other example of the conventional stop plate for lid stoppers is shown, and it is a perspective view of the state where this stop plate was fixed to the fixed plate. It is a front view of the conventional stop plate for lid stoppers shown in FIG. It is a front view of the fixing plate which fixes the conventional stop plate for lid stoppers shown in FIG.

  EMBODIMENT OF THE INVENTION Hereinafter, the form for implementing the stopper plate for lid stoppers of the school bag of this invention is demonstrated in detail based on drawing.

  The stopper plate for the lid stopper according to the present invention is provided with a hole 2 at the base end of the plate body 1, with rivet holes 3 at the left and right sides of the hole 2, and with a knob 4 at the tip of the plate body 1. It is assumed. And between the base end part and front-end | tip part of the said plate body 1 for engaging with the knob 13 provided in the center part of the fixed plate 12 fixed to the bottom part 11 of the school bag R so that rotation was possible. A plurality of engagement holes 5 are provided in the vertical direction. Further, on the left and right side portions of the engagement holes 5, protrusions 6 that are convex on the surface are formed so as not to provide an extra space S between the engagement holes 5. The space S is provided between 6 and the left and right side edges of the plate body 1, and the space S is bent to the back side of the plate body 1 to form a curved portion 7.

  The plate 1 is formed by punching a sheet metal M such as iron or stainless steel and forming a vertically elongated rectangle 1b connected to a lower side of a substantially elongated rectangle 1a.

  The punched hole 2 is formed by punching the plate body 1 to form a horizontally long and substantially rectangular shape, and is provided for reducing the weight of the plate body 1, but may not be provided.

  The rivet hole 3 is formed by punching the plate 1 into a circular shape with a small diameter, and is provided to rivet the tip of the extension belt 15 of the lid 14 of the school bag R.

  The knob 4 punches the plate body 1 to form a substantially rectangular hole 4a in a small vertically long rectangle 1b portion, and also bends the plate body 1 to form the small vertically long rectangle 1b portion. Is bent upward in a substantially L shape so that the user can operate it by picking it with a finger. In addition, although the said hole 4a is provided for the weight reduction of the board 1, it is good also as what is not provided.

  The engagement hole 5 is formed by punching the plate body 1 so as to have a horizontally long and substantially rectangular shape, and is provided rotatably at the center of the fixed plate 12 fixed to the bottom 11 of the school bag R. The knob 13 is made slightly larger than the knob 13 so that the knob 13 can enter and exit.

  The ridge 6 is formed to reinforce the plate 1 by punching the plate 1 and forming a cross-section in a substantially inverted U shape. In addition, although the said protruding item | line 6 is trying not to provide the extra space S between the engagement holes 5, the clearance gap of less than 1 mm may generate | occur | produce for the precision of a punching process, but this Such a gap does not correspond to the space S in the present invention, and the space S in the present invention refers to a space having a width of 1 to 4 mm in actual measurement as described below.

  The bending portion 7 is formed by bending the plate body 1 so that the cross section is formed in an arc shape, and is formed to reinforce the plate body 1.

  The space S is measured to have a width of 1 to 4 mm, but a width of 2 to 3 mm is preferable in terms of forming the curved portion 7.

  In the stopper plate according to the present invention configured as described above, the space S is provided only between the ridge 6 and the left and right side edges of the plate body 1, and the space S is provided. Since the bent portion 7 is bent to the back side of the plate body 1, the lateral width of the plate body 1 is reduced, the bulk of the plate body 1 itself is reduced, and the fixing plate 12 of the school bag R that fastens the plate body 1 is fixed. Since the bulk becomes low and the weight of these becomes light, the weight of the school bag R does not increase greatly.

  Further, in the stopper plate according to the present invention, since the curved portion 7 also reinforces the plate body 1 in addition to the ridge 6, the lateral width of the plate body 1 is reduced, and the bulk of the plate body 1 itself is increased. Even if it becomes low, the intensity | strength of this board 1 does not fall.

  The stopper plate for the lid stopper of the present invention is configured as described above, and is manufactured through the following first to third steps.

  First, as a first step, a sheet metal M such as stainless steel or aluminum alloy is punched to form the hole 2, the rivet hole 3, and the hole 4a of the knob 4, and the sheet metal M is stamped and processed. The ridge 6 is formed. In this first step, the order of forming the punched hole 2, the rivet hole 3, the punched hole 4a of the knob 4 and the ridge 6 is arbitrary, and even if these are formed at the same time, they are formed with a difference in time. May be. Further, in the first step, the hole 2, the rivet hole 3, and the hole 4a may be chamfered as necessary.

  Next, as a second step, the sheet metal M is punched to form the outer shape of the plate body 1. In the second step, the outer shape of the plate 1 may be chamfered or the surface of the plate 1 may be knurled as necessary.

  Further, as a third step, the plate body 1 is punched to form the engagement hole 5 and the plate body 1 is bent to bend the knob 4 upward in a substantially L shape. The curved portion 7 is formed. In this third step, the order of forming the engagement hole 5, the substantially L shape of the knob 4 and the curved portion 7 is arbitrary, and even if these are formed at the same time, they are formed with a difference in time. May be. In the third step, the engagement hole 5 may be chamfered as necessary.

  In the first to third steps, when the outer shape of the plate body 1, the chamfering of the hole 2, the rivet hole 3, the hole 4 a and the engagement hole 5 and the knurling of the surface of the plate body 1 are not performed, You may perform this operation | work as a 4th process.

  In the method of manufacturing the stopper plate according to the present invention configured as described above, the engagement hole 5 can be obtained without providing an extra space S between the engagement hole 5 and the protrusion 6. Thus, the plate body 1 having a narrow width can be easily manufactured without adding an extra step to the conventional manufacturing process.

DESCRIPTION OF SYMBOLS 1 Plate body 2 Punching hole 3 Rivet hole 4 Knob part 4a Punching hole 5 Engagement hole 6 Convex strip 7 Curved part 11 Bottom part 12 Fixing plate 13 Trimming body R School bag S Space

Claims (5)

  It is assumed that rivet holes (3) are provided on the left and right sides of the base end of the plate (1), and a knob (4) is provided on the tip of the plate (1). An engagement for engaging a knob (13) provided rotatably at the center of the fixed plate (12) fixed to the bottom (11) of the school bag (R) between the end portions. A plurality of joint holes (5) are provided in the vertical direction, and an extra space (S) is provided between the engagement holes (5) on the left and right sides of the engagement holes (5). And forming the convexity (6) that is convex on the surface, providing the space (S) between the convexity (6) and the left and right side edges of the plate (1), A back plate for a lid stopper for a school bag, wherein the space (S) is bent to the back side of the plate body (1) to form a curved portion (7).   A hole (2) is provided at the base end of the plate (1), rivet holes (3) are provided at the left and right sides of the hole (2), and a hole (4a) is formed at the tip of the plate (1). The center portion of the fixed plate (12) fixed to the bottom (11) of the school bag (R) between the base end and the tip of the plate (1) It is assumed that a plurality of engagement holes (5) for engaging the knobs (13) provided so as to be rotatable are provided in the vertical direction, and further on the left and right side portions of these engagement holes (5). In addition, an extra space (S) is not provided between these engagement holes (5), and a convex strip (6) that is convex on the surface is formed, and the convex strip (6) and the plate body are formed. The space (S) is provided between the left and right edges of (1), and the space (S) is bent to the back side of the plate (1) to form a curved portion (7). Lid stop for the stop plate of Ndoseru.   The stop plate for a lid stopper for a school bag according to claim 1 or 2, wherein the space (S) has a width of 1 to 4 mm.   A first step of punching the sheet metal (M) to form the rivet hole (3) and punching the sheet metal (M) to form the ridge (6), the sheet metal (M) The second step of punching to form the outer shape of the plate (1), punching the plate (1) to form the engagement hole (5), and the plate (1) 4. A school bag lid stopper according to claim 1, further comprising a third step of bending the knob part (4) upward to form the curved part (7). 5. How to make a board. The sheet metal (M) is punched to form the hole (2), the rivet hole (3), the hole (4a) of the knob (4), and the sheet metal (M) is punched to form the convex A first step of forming the strip (6), a second step of punching the sheet metal (M) to form an outer shape of the plate (1), a punching of the plate (1), and the engagement A third step of forming the hole (5) and bending the plate (1) to bend the knob (4) upward to form the curved portion (7) is provided. A method for manufacturing a stop plate for a lid stopper for a school bag according to claim 2 or 3.

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