JP3163256U - School bag backpack mounting structure - Google Patents

Abstract

In a mounting structure for a backpack belt of a school bag, a pair of arms are separated from a metal fitting body, and after the metal fitting body is attached to a back plate, an arm with a carrying belt can be attached to the metal fitting body detachably. Thus, it is possible to provide a mounting structure for a backpack belt of a school bag that can easily sew each part of the school bag without disturbing the arm. In a state in which a female screw body is attached in advance to a base body of a metal fitting body, it is fixed to a back plate. Then, after sewing each part of the bag, the arm 6 is inserted from the upper end opening of the metal fitting body 3, the pivot hole 4 and the female screw body 7 are aligned, and from the outer surface side of the metal fitting body 3 through the bolt insertion hole 8. The arm bolt 9 is inserted into the pivot hole 4, and the tip thereof is screwed to the female screw body 7. [Selection] Figure 1

Description

  The present invention relates to a structure for attaching a backpack belt of a school bag, and more particularly to a structure in which an arm to which a backpack belt is attached can be detachably attached to the metal fitting body after sewing the whole school bag.

  The conventional mounting bracket for the backpack of the school bag is a tool that supports the front end of a pair of arms inside the bracket body, attaches it to the back plate of the school bag after the entire bracket is completed, and sews each part of the bag. is there. An insertion hole for a shoulder belt was formed at the upper end of the arm, and the belt was inserted into a U shape and stopped with a stopper. Each arm was urged toward the longitudinal center of the metal fitting by a spring.

Utility Model Registration No. 3133457 JP 2007-275166 A JP 2006-314396 A Japanese Patent Laid-Open No. 2004-237072

When the entire belt mounting bracket is assembled, if it is attached to the back plate of the school bag, the pair of arms protruding from the bracket body and the shoulder belt fixed to it will be in the way, making it difficult to sew a bag. There are drawbacks. Even if an arm without a shoulder belt is attached to the metal fitting body, the upper end portion of the arm itself protrudes greatly from the metal fitting body, which becomes a hindrance and the sewing of each part of the bag is troublesome.
Therefore, an object of the present invention is to provide an attachment structure for a backpack of a school bag that can attach a pair of arms detachably after sewing a bag.

The present invention according to claim 1 is a hollow and flat metal fitting body (3) fixed to the center of the upper end of the back plate (1) of the school bag and having an upper end (2).
The front end is inserted through the opening (2) at the upper end of the bracket body (3), the pivot hole (4) at the tip is pivotally supported by the bracket body (3), and the back belt (5 A pair of arms (6) to which the upper ends of
In the mounting structure of the backpack of the school bag comprising
The metal fitting body (3) has a base body (3a) on the back plate (1) side and a lid body (3b) facing the base body (3a), and a female screw body (7) is provided in advance on the base body (3a). A pair of bolt insertion holes (8) are opened on the outer surface of the lid body (3b) at a position aligned therewith,
With the metal fitting body (3) fixed to the back plate (1), the distal end side of each arm (6) is removably inserted into the metal fitting body (3) through the opening (2) at its upper end. The pivot hole (4) provided at the tip of the arm (6) is positioned between the female screw body (7) and the bolt insertion hole (8), and the outer surface of the metal fitting body (3) From the side, through the bolt insertion hole (8), the arm bolt (9) is inserted into the pivot attachment hole (4) of the arm (6), and its tip is detachable from the female screw body (7). A backpack belt mounting structure for a school bag, characterized in that it can be screwed.

The present invention according to claim 2 includes a hollow and flat metal fitting body (3) fixed to the center of the upper end of the back plate (1) of the school bag and having an upper end (2).
The front end is inserted through the opening (2) at the upper end of the bracket body (3), the pivot hole (4) at the tip is pivotally supported by the bracket body (3), and the back belt (5 A pair of arms (6) to which the upper ends of
An arm spring (10) that is fixed to each arm (6) and urges the arm (6) toward the longitudinal center of the metal fitting body (3);
In the mounting structure of the backpack of the school bag comprising
The metal fitting body (3) has a base body (3a) on the back plate (1) side and a lid body (3b) facing the base body (3a), and a female screw body (7) is provided in advance on the base body (3a). A pair of bolt insertion holes (8) are opened on the outer surface of the lid body (3b) at a position aligned therewith, and the arm spring (10) is provided adjacent to the female screw body (7),
Arm guide (11) is provided opposite to the arm engaging portion (10a) of the arm spring (10), the distance W ₁ of the arm guide (11) arm locking portion and (10a) of the arm (6 ) Width W,
With the metal fitting body (3) fixed to the back plate (1), the distal end side of each arm (6) is removably inserted into the metal fitting body (3) through the opening (2) at its upper end. It is press-fitted between the arm guide (11) and the arm locking part (10a), and the arm locking part (10a) is detachably locked to the arm (6), so that the arm (6) is urged toward the center side of the metal fitting body (3),
The pivot mounting hole (4) of the arm (6) is positioned between the female screw body (7) and the bolt insertion hole (8), and the arm bolt (9) is connected to the bolt insertion hole on the outer surface of the metal fitting body (3). It is a mounting structure for a backpack belt of a school bag, characterized in that it is configured to be inserted through the pivot attachment hole (4) through (8) and detachably screwed into the female screw body (7). .

The present invention described in claim 3 is the attachment structure for the backpack belt of the school bag according to claim 1 or 2,
A plurality of slits (12) are spaced apart from each other in the circumferential direction at the hole edges of the pair of bolt insertion holes (8),
The pair of bolt insertion holes (8) has a pair of caps (13) that are respectively closed, and the cap (13) is a flat circular cap body (13a) and a plurality of claws protruding on the back surface thereof. And a backpack belt mounting structure for a school bag, the claw portion (13b) being locked to the edge of the slit (12).

The present invention described in claim 4 is a mounting structure for a backpack belt of a school bag according to claim 1 or 2,
A slit (12) is disposed at each of the hole edges of the pair of bolt insertion holes (8),
The pair of bolt insertion holes (8) has one elongated closing plate (14) closed simultaneously, and a plurality of claw portions (15) are provided on the back surfaces of both ends in the longitudinal direction of the closing plate (14). It is a mounting structure for a backpack of a school bag that is provided so as to project and each claw portion (15) is locked to the edge of the slit (12).

The present invention described in claim 5 is a mounting structure for a backpack belt of a school bag according to claim 4,
The surface of the closing plate (14) is provided with an elongated seal sticking part (16) recessed in the outer peripheral frame part, and the sticking part (16) has a seal for name description, a seal such as a character seal (17) It is the attachment structure of the backpack belt of the school bag comprised so that can be stuck.

The present invention according to claim 6 is the attachment structure of the backpack belt of the school bag according to any one of claims 1 to 5,
On the outer surface of the lid body (3b) of the metal fitting body (3), a resin cover (18) and a leather cover (19) having an inner circumference aligned therewith are sequentially attached,
The resin cover (18) and the leather cover (19) are respectively formed with a second bolt insertion hole (20) and a third bolt insertion hole (21) at positions aligned with the bolt insertion holes (8). The back cover of the school bag is attached to the back cover of the school bag with a leather cover (19).

The mounting structure of the shoulder belt of the present invention is such that the arm 6 is removably inserted through the opening 2 at the upper end of the bracket body 3 fixed to the back plate 1, and the bolt insertion hole 8 is inserted from the outer surface side of the bracket body 3. The arm bolt 9 is inserted through the pivot mounting hole 4 of the arm 6 and the tip of the bolt 9 can be detachably screwed into the female screw body 7.
As a result, the pair of arms 6 to which the shoulder belt is attached after sewing the bag can be attached to and detached from the metal fitting body 3 respectively. Therefore, when a bag is sewn, sewing is easy without the backpack belt getting in the way. Furthermore, the shoulder belt can be separated from the arm 6 at the time of repair and maintenance of the bag, so that repair or the like can be easily performed.

The invention according to claim 2 has an arm spring 10 in addition to the above-described configuration, and when it urges the arm 6 toward the center in the longitudinal direction of the metal fitting body 3, when the arm 6 is inserted and removed, A distance W ₁ between the arm guide 11 and the arm locking portion 10 a is formed to be smaller than the width W of the arm 6. It is energized by.
In this device, even if the arm 6 with a belt is inserted into the metal fitting body 3 after sewing, it is locked by the arm spring 10, and the width between the pair of shoulder belts is automatically adjusted according to the physique.

In the above configuration, as described in claim 3, when the slit 12 is provided at the hole edge portion of the bolt insertion hole 8 and the cap 13 is attached to each bolt insertion hole 8, the claw portion 13 b is engaged with the edge of the slit 12. Since it is stopped, the bolt insertion hole 8 can be closed with the cap 13 having a good appearance.
In the above-described configuration, as described in claim 4, an elongated closing plate 14 that simultaneously closes the pair of bolt insertion holes 8 is provided, and the claw portion 15 is locked to the slit 12 at the edge of the bolt insertion hole 8. When configured in this manner, the pair of bolt insertion holes 8 can be simultaneously and easily closed with good appearance.

In the above configuration, as described in claim 5, when the seal sticking portion 16 is provided in the outer peripheral frame portion on the surface of the closing plate 14, and the seal 17 can be stuck thereto, Or you can stick your own character. As a result, it is possible to personalize the bag.
In the above configuration, as described in claim 6, the resin cover 18 and the leather cover 19 are sequentially attached to the outer surface of the lid body 3b of the metal fitting body 3, and the second bolt insertion hole 20 and the third bolt insertion hole 21 are respectively attached thereto. Can be provided. As a result, it is possible to provide a belt mounting structure that is more durable and has a good appearance.

Explanatory drawing which shows the attachment structure of the backpack of the school bag of this invention. The disassembled perspective view of the metal fitting main body 3 of the same structure. Explanatory drawing at the time of attachment of the bolt insertion hole 8 of the structure. The top view of the cap 13 which obstruct | occludes the bolt insertion hole 8 formed in the attachment structure, a partial cross section, and a bottom view. FIG. 6 is an explanatory diagram of the procedure for attaching the cap 13; Explanatory drawing which obstruct | occludes a pair of bolt insertion hole 8 of the same structure with the obstruction | occlusion plate 14. FIG. The top view, partial sectional view, and bottom view of the closing plate 14. VIII-VIII arrow sectional drawing of FIG. The front view which shows the attachment state of the attachment structure. Another example of the seal 17 of FIG. 9 is shown.

(First embodiment)
Next, an embodiment of the present invention will be described based on the drawings.
As shown in FIG. 1, the backpack belt mounting structure of the school bag has a metal fitting body 3 and a pair of arms 6 that are removably inserted into the upper end opening thereof. A pivot hole 4 is provided at the lower end of each arm 6, and an annular belt loop 32 is provided at the upper end thereof. Then, the upper end of the shoulder belt 5 is wound in a U-shape around the belt loop 32, and is fastened via a stopper 24. As shown in FIG. 1, each of the pair of arms 6 completely fixes the metal fitting body 3 to the back plate 1 of the bag and sews each part of the bag and then detachably attachable to the metal fitting body 3 via the arm bolt 9. It is supported by.

  As shown in FIG. 2, the metal fitting body 3 includes a base body 3a located on the back plate side of the bag and a lid body 3b facing the base body 3a. The base body 3a and the lid body 3b are formed with rising portions on both side portions and lower end portions, respectively, and after being fitted, a part thereof is bent and fixed by caulking. The female screw body 7 is caulked and fixed at positions on both sides of the lower portion of the base body 3a. The female screw body 7 is formed of a nut in this example. As shown in FIG. 3, the pivot hole 4 of the arm 6 is aligned with the female screw body 7, and an arm bolt 9 is inserted into the female screw body 7, and the tip thereof is screwed and fastened to the female screw body 7. is there. Further, an arm spring 10 is attached to the end side of the base body 3a adjacent to each female screw body 7.

  As shown in FIG. 2, the arm spring 10 has a coiled central portion of the spring material, its both end portions are bent in a U shape, one end portion of the U shape is bent in an L shape, and the L A hook is formed on the lid body 3b side at the letter-shaped tip, and an arm locking portion 10a is provided there. The coil portion of the arm spring 10 is inserted into the spring holding body 29, and one U-shaped end is supported by the first spring seat 27. The other U-shaped end is supported by the second spring seat 28. This state is a standby state of the arm spring 10 before the arm 6 is inserted.

In this standby position, as shown in FIG. 3, the distance W ₁ between the arm locking portion 10 a and the arm guide 11 raised up facing it is slightly smaller than the width W of the lower end portion of the arm 6. By press-fitting the arm 6 between the arm guide 11 and the arm engagement portion 10a in this state, the arm spring 10 is widened from W ₁ to W. Thereby, one side of the arm 6 is locked to the arm locking portion 10a, and the arm 6 is always urged toward the center of the metal fitting body 3 by the elastic force of the arm spring 10. When the pivot mounting hole 4 of the arm 6 is pivotally supported by the arm bolt 9, the arm 6 rotates from the solid line state to the chain line state, but the arm 6 always tries to return to the center side of the metal fitting body 3.

Three suspension ring guides 31 are disposed at the apexes of the triangle at the center of the base body 3a, and the suspension ring 30 is attached thereto as shown in FIG. Further, as shown in FIG. 2, communication holes 25 are formed on both sides and the center of the upper end of the base body 3a, and a ridge 26 is provided on the inner surface side along the upper edge of the base body 3a. Yes. Similar protrusions 26 are also provided on the inner surface side of the metal fitting body 3 on the lid body 3b side, and communication holes 25 are formed at both ends and the center thereof.
Further, a bolt insertion hole 8 is provided at a position aligned with the screw hole 7 a of the female screw body 7, and an edge of the hole forms an annular recess 34. The head of the arm bolt 9 is seated in the recess 34. In this example, four slits 12 are arranged on the outer periphery of the recess 34 every 90 degrees in the circumferential direction.

  In such a metal fitting body 3, a pair of female screw bodies 7 are caulked and fixed to the inner surface of the base body 3 a, and a pair of arm springs 10 are attached to a first spring seat 27, a second spring seat 28, and a spring holder 29. Hold in a U-shape. In this state, the lid body 3b is fitted on the base body 3a, and the caulking is fixed between the two. A resin cover 18 is attached to the outer periphery of the lid body 3b of the metal fitting body 3 thus formed. The resin cover 18 is formed with communication holes 25 aligned with the respective communication holes 25 of the metal fitting body 3, and a cross-shaped second bolt insertion hole 20 whose center is aligned with the bolt insertion hole 8. Further, a leather cover 19 having a plane that is slightly larger than the resin cover 18 is provided on the outer periphery of the resin cover 18, and a third bolt insertion hole 21 is opened in the leather cover 19 at a position aligned with the second bolt insertion hole 20. Yes.

(Function)
The metal fitting body 3 has a pair of female screw bodies 7 and a pair of arm springs 10 assembled therein, and a lid body 3b is fitted into the base body 3a, and the outer periphery thereof is fixed by caulking.
Next, in order to attach the metal fitting body 3 to the back plate 1, a resin cover 18 is fitted on the outer periphery, and a leather cover 19 is further fitted on the outer periphery.
In this state, a long and narrow press cover 23 is arranged on the outer side, and a back seat (not shown) having the same shape as the press cover 23 is arranged on the inner surface side of the back plate 1, and the respective communication holes 25 are aligned. The stopper 24 is inserted into the end, and the end thereof is caulked and fixed. At this time, the suspension ring 30 is inserted from the center of the upper end as shown in FIG.
In this state, the leather cover 19 and the back plate 1 are sewn with the sewing thread 33. And each part of the bag is sewn in this state.

At this time, the pair of arms 6 do not exist. Therefore, it does not get in the way of sewing. After the sewing of each part of the bag is completed, the upper end of the back belt 5 is folded into a U shape in the belt loop 32 of the arm 6 and fixed by the stopper 24. Then, the arm 6 is inserted from the opening 2 at the upper end of the metal fitting body 3. At this time, the arm engagement portion 10a of the arm spring 10 as described above in FIG. 3 is pushed by the arm 6 side, distance W ₁ between the arm engagement portion 10a and the arm guides 11 that spreads W.

  Then, the pivot hole 4 and the screw hole 7a of the female screw body 7 are aligned. The alignment can be confirmed from the outer surface side of each insertion hole of the metal fitting body 3, the resin cover 18, and the leather cover 19. The arm 6 is inserted between the female screw body 7 and the concave portion 34 of the lid body 3b opposite to the arm screw body 7, and arm bolts 9 are inserted from the outside as shown in FIG. 7a is screwed and fastened. The head of the arm bolt 9 is fixed to the recess 34 in FIG. This state is the state of (A) and (B) in FIG.

  And the washer 22 is arrange | positioned at the hole edge part of each bolt insertion hole of the leather cover 19, and the cap 13 is press-fit there. The cap 13 has a circular cap body 13a, leg portions projecting to the back side at both end positions 180 degrees apart, and a claw portion 13b is provided at the tip. The leg portion of the cap 13 is elastically deformed and press-fitted into each bolt insertion hole as shown in FIGS. Then, the claw portion 13b is engaged with the slit 12 of the lid body 3b as shown in FIG.

(Second Embodiment)
Next, FIGS. 6 to 10 show a second embodiment of the present invention, and this embodiment is different from that of FIGS. 1 to 5 described above only in the closing means of each bolt insertion hole 8. In this example, the pair of bolt insertion holes 8 are closed by one closing plate 14. Each process before the closing is exactly the same as the above-described embodiment. The blocking plate 14 has a length that covers the pair of bolt insertion holes 8 at the same time. A pair of leg portions shown in FIGS. Projected.

  The periphery of the outer surface of the closing plate 14 is formed in a frame shape, and a seal sticking portion 16 that is recessed is provided on the inside thereof, and various seals 17 are attached thereto. An example of the seal 17 is shown in FIG. (A) is used as a name plate, and (B) and (C) are used to personalize the school bag with characters or patterns. The closing plate 14 is press-fitted and locked in the slit 12 of the lid body 3b of the metal fitting body 3 as shown in FIG.

1 Back plate 2 Opening 3 Bracket body
3a Base body
3b Lid body 4 Pivoting hole 5 Backpack belt

6 Arm 7 Female thread
7a Screw hole 8 Bolt insertion hole 9 Arm bolt
10 Arm spring
10a Arm locking part

11 Arm guide
12 Slit
13 cap
13a Cap body
13b Claw
14 Closure plate
15 Nail

16 Sealing part
17 Seal
18 Resin cover
19 Leather cover
20 2nd bolt insertion hole
21 3rd bolt insertion hole
22 Washer

23 Press cover
24 Stopper
25 communication hole
26 ridges
27 1st spring seat
28 Second spring seat
29 Spring holder

30 Hanging ring
31 Hanging ring guide
32 Belt loop
33 Sewing thread
34 Recess

Claims (6)

A hollow and flat metal fitting body (3) fixed at the center of the upper end of the back plate (1) of the school bag and having an opening (2) at the upper end,
The front end is inserted through the opening (2) at the upper end of the bracket body (3), the pivot hole (4) at the tip is pivotally supported by the bracket body (3), and the back belt (5 A pair of arms (6) to which the upper ends of
In the mounting structure of the backpack of the school bag comprising
The metal fitting body (3) has a base body (3a) on the back plate (1) side and a lid body (3b) facing the base body (3a), and a female screw body (7) is provided in advance on the base body (3a). A pair of bolt insertion holes (8) are opened on the outer surface of the lid body (3b) at a position aligned therewith,
With the metal fitting body (3) fixed to the back plate (1), the distal end side of each arm (6) is removably inserted into the metal fitting body (3) through the opening (2) at its upper end. The pivot hole (4) provided at the tip of the arm (6) is positioned between the female screw body (7) and the bolt insertion hole (8), and the outer surface of the metal fitting body (3) From the side, through the bolt insertion hole (8), the arm bolt (9) is inserted into the pivot attachment hole (4) of the arm (6), and its tip is detachable from the female screw body (7). A backpack belt mounting structure for a school bag, characterized in that it can be screwed. A hollow and flat metal fitting body (3) fixed at the center of the upper end of the back plate (1) of the school bag and having an opening (2) at the upper end,
The front end is inserted through the opening (2) at the upper end of the bracket body (3), the pivot hole (4) at the tip is pivotally supported by the bracket body (3), and the back belt (5 A pair of arms (6) to which the upper ends of
An arm spring (10) that is fixed to each arm (6) and urges the arm (6) toward the longitudinal center of the metal fitting body (3);
In the mounting structure of the backpack of the school bag comprising
The metal fitting body (3) has a base body (3a) on the back plate (1) side and a lid body (3b) facing the base body (3a), and a female screw body (7) is provided in advance on the base body (3a). A pair of bolt insertion holes (8) are opened on the outer surface of the lid body (3b) at a position aligned therewith, and the arm spring (10) is provided adjacent to the female screw body (7),
Arm guide (11) is provided opposite to the arm engaging portion (10a) of the arm spring (10), the distance W ₁ of the arm guide (11) arm locking portion and (10a) of the arm (6 ) Width W,
With the metal fitting body (3) fixed to the back plate (1), the distal end side of each arm (6) is removably inserted into the metal fitting body (3) through the opening (2) at its upper end. It is press-fitted between the arm guide (11) and the arm locking part (10a), and the arm locking part (10a) is detachably locked to the arm (6), so that the arm (6) is urged toward the center side of the metal fitting body (3),
The pivot mounting hole (4) of the arm (6) is positioned between the female screw body (7) and the bolt insertion hole (8), and the arm bolt (9) is connected to the bolt insertion hole on the outer surface of the metal fitting body (3). A backpack belt mounting structure for a school bag, characterized in that it is configured to be inserted into the pivot hole (4) through (8) and removably screwed into the female screw body (7). In the mounting structure of the backpack belt of the school bag according to claim 1 or 2,
A plurality of slits (12) are spaced apart from each other in the circumferential direction at the hole edges of the pair of bolt insertion holes (8),
The pair of bolt insertion holes (8) has a pair of caps (13) that are respectively closed, and the cap (13) is a flat circular cap body (13a) and a plurality of claws protruding on the back surface thereof. And a backpack belt mounting structure for a school bag, the claw portion (13b) being locked to the edge of the slit (12). In the mounting structure of the backpack belt of the school bag according to claim 1 or 2,
A slit (12) is disposed at each of the hole edges of the pair of bolt insertion holes (8),
The pair of bolt insertion holes (8) has one elongated closing plate (14) closed simultaneously, and a plurality of claw portions (15) are provided on the back surfaces of both ends in the longitudinal direction of the closing plate (14). A mounting structure for a backpack belt of a school bag that is provided so as to protrude and each claw portion (15) is locked to an edge of the slit (12). In the mounting structure of the backpack belt of the school bag according to claim 4,
The surface of the closing plate (14) is provided with an elongated seal sticking part (16) recessed in the outer peripheral frame part, and the sticking part (16) has a seal for name description, a seal such as a character seal (17) A backpack belt mounting structure that can be attached to the school bag. In the mounting structure of the backpack of the school bag according to any one of claims 1 to 5,
On the outer surface of the lid body (3b) of the metal fitting body (3), a resin cover (18) and a leather cover (19) having an inner circumference aligned therewith are sequentially attached,
The resin cover (18) and the leather cover (19) are respectively formed with a second bolt insertion hole (20) and a third bolt insertion hole (21) at a position aligned with the bolt insertion hole (8). A mounting structure for a backpack of a school bag on which a leather cover (19) is sewn to the back plate of the school bag.

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