JP4340799B2 - Backpack belt upper end fitting - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a belt upper end fitting for a shoulder bag such as a school bag or a rucksack.
[0002]
[Prior art]
Conventionally, the shoulder belt upper end fitting of this type of shoulder bag is attached to the uppermost stage of the backrest or a position slightly lowered from the uppermost stage. For example, as shown in FIGS. The inside of the leaf | plate spring 16 made into the substantially U shape in the outer part of the connection plates 14 and 14 while attaching the connection plates 14 and 14 which attached the rings 13 and 13 to the backrest part 15 so that rocking is possible in the left-right direction. The connecting plates 14 and 14 are each provided with inward elasticity by abutting the slidable 16a.
[0003]
As shown in the figure, the connecting plates 14 and 14 of the shoulder belt upper end fixtures are formed of a synthetic resin, and support holes 13a and 13a of the shoulder belt attaching rings 13 and 13 are formed at the upper end portions thereof. Although not shown, one metal plate is folded in half, and a holding portion for a belt-mounting ring is formed on the bent portion.
[0004]
The shoulder belt upper end fixture configured in this way allows the shoulder belt attaching rings 13 and 13 to move in the left-right direction according to the user's physique within the swinging width of the connecting plates 14 and 14 at the attachment position of the shoulder belt. At the same time, the belt attachment rings 13 and 13 which are carried on the back of the connecting plates 14 and 14 by elastic force can be maintained in a state corresponding to the user's physique, which makes it very easy to use and presses the user. It did not give a feeling of feeling or fatigue.
[0005]
[Problems to be solved by the invention]
However, in the above conventional shoulder belt upper end fixture, in which the connecting plates 14 and 14 are formed of a synthetic resin, they lack strength and wear resistance compared to a metal body. The outer portions of the connecting plates 14 and 14 are abraded by the leaf spring 16 slidably contacting the outer portion of the belt 14, or the support holes 13a and 13a formed in the upper end portion are damaged and the belt mounting rings 13 and 13 are carried on the back. Or the like, and it cannot withstand long-term use and has a problem of poor durability.
[0006]
Further, in the above-described conventional shoulder belt upper end fixture, when the connecting plates 14 and 14 are formed by folding a single metal plate, the both ends of the folded metal plate are fixed so as not to open. There are problems that it is difficult to place or that it is difficult to arrange the shape of the holding portion formed in the bent portion into a cylindrical shape that is easy to hold the shoulder belt mounting ring.
[0007]
Therefore, the present invention solves the above-described conventional problems, and by making the connecting plate a metal body (metal plate), it can withstand long-term use and has high durability. Even if it is composed of a metal plate folded in half, both ends of the metal plate can be fixed so that they do not open, and the shape of the holding part formed in the bent part of the connecting plate can be The present invention has been made for the purpose of providing a belt upper end fitting for a shoulder bag having a structure that can be easily formed into a cylindrical shape that is easy to hold.
[0008]
[Means for Solving the Problems]
Therefore, the shoulder belt upper end fixture of the present invention has a through hole 4b, 4b at both ends, a recess 4c, 4c at both ends on one end, and both sides at the other end. A metal plate formed by folding one metal plate formed with the abutting portions 4a and 4a into two, aligning the through holes 4b and 4b, and inserting the caulking member 8 into the through holes 4b and 4b. The metal support cylinder 9 of the belt carrying ring 3 is held on the folded portion 4d of the metal plate which is fixed so as not to open and folded in half, and both ends of the metal support cylinder 9 are bent. It is assumed that the connecting plate 4 is provided which is folded and adhered to both ends of the portion 4d, and further, the metal plate contact portions 4a and 4a are respectively folded and fixed to the recessed portions 4c and 4c of the metal plate.
[0009]
And the backpack belt upper end fixture of the backpack of the present invention is attached to the backrest portion 5 so as to be swingable in the left-right direction with the connecting plates 4 and 4 as a pair, and inwardly connected to the connecting plates 4 and 4 respectively. It is preferable that the elasticity is applied.
[0010]
Furthermore, the shoulder belt upper end mounting tool of the shoulder bag according to the present invention is attached to the backrest portion 5 as a pair of the connecting plates 4 and 4 so as to be swingable in the left and right directions, and the outer side of each of the connecting plates 4 and 4. It is assumed that an inner body 6a of a substantially U-shaped leaf spring 6 is slidably brought into contact with the abutting portions 4a and 4a so that the connecting plates 4 and 4 are respectively given inward elasticity. Is preferred.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a shoulder belt upper end fixture of a shoulder bag of the present invention will be described in detail below with reference to the drawings.
[0012]
FIG. 1: has shown the perspective view which looked at the school bag provided with the shoulder belt upper end fixture of the shoulder bag of this invention from the backrest part side. Reference numeral 1 denotes a shoulder belt, and the upper end of the shoulder belt 1 is attached to an upper end fixture 2 of the present invention, and the lower end of the shoulder belt 1 is attached to a lower end fixture (not shown).
[0013]
As shown in FIG. 2, the upper end fixture 2 is attached to the backrest portion 5 so as to be swingable in the left-right direction as a pair of connecting plates 4 and 4 to which the shoulder belt attaching rings 3 and 3 are attached, respectively. An inner body 6a of a substantially U-shaped leaf spring 6 is slidably brought into contact with the outer abutting portions 4a and 4a of the connecting plates 4 and 4, respectively, and the connecting plates 4 and 4 are respectively inwardly directed. It is assumed that the elasticity of.
[0014]
Further, as shown in FIGS. 2 and 3, the upper end fixture 2 is provided with a hanging ring 7 for hanging when the school bag is not used. The suspension ring 7 is formed by bending a steel wire and is slidable in the vertical direction at the center upper portion of the upper end fixture 2 so that it can be projected when the school bag is suspended. You can retract the school bag when you carry it.
[0015]
As shown in FIG. 4, the connecting plate 4 is formed with through holes 4b and 4b at both ends, and formed with recesses 4c and 4c at both ends on one end, and at both ends on the other end. One metal plate formed with the abutting portions 4a and 4a is folded in half. That is, the metal plate is folded in half so that the through holes 4b and 4b are matched, and the caulking member 8 is inserted into the through holes 4b and 4b so that the folded metal plate is not opened. The metal support cylinder 9 of the shoulder belt mounting ring 3 is held in the folded portion 4d of the metal plate folded in half, and both ends of the metal support cylinder 9 are folded back to both ends of the bent portion 4d. It is in close contact. Further, the metal plate contact portions 4a and 4a are respectively folded and fixed to the recessed portions 4c and 4c of the metal plate. Further, the connecting plates 4 and 4 may be formed with a hole 10 for weight reduction or a rib 11 for reinforcement as required.
[0016]
The backpack belt upper end fixture of the backpack of the present invention configured as described above is pulled by the backpack belt 1 when the school bag is carried on the back, and the connecting plates 4 and 4 swing left and right, so that the leaf spring 6 Even if the inner body 6a contacts and slides against the respective contact portions 4a and 4a of the connecting plates 4 and 4, the contact portions 4a and 4a are made of metal and thus are difficult to wear. In addition, since the metal support cylinders 9 of the connecting plates 4 and 4 are not easily damaged, the shoulder belt mounting rings 3 and 3 are not detached by use for a long period of time.
[0017]
Further, the shoulder belt upper end fixture of the present invention has a caulking member 8 inserted into the through holes 4b and 4b, and metal plate abutting portions 4a and 4a which are folded and fixed to the metal plate recesses 4c and 4c. The both ends of the connecting plates 4 and 4 are fixed so as not to open. In addition, since the metal support cylinder 8 is held in the bent portion 4d of the metal plate, the metal support cylinder 8 becomes a holding portion, and the back belt attaching ring 3 is easily held.
[0018]
【The invention's effect】
The shoulder belt upper end fixture of the shoulder bag of the present invention is configured as described above, and can be used for a long period of time by making the connecting plate a metal body (metal plate). It became rich. Furthermore, the shoulder belt upper end fixture of the present invention can be easily fixed so that both ends of the metal plate do not open even if the connecting plate is made of a metal plate in which the connecting plate is folded in half. . In addition, the shoulder belt upper end fixture of the present invention can easily make the shape of the holding portion formed in the bent portion of the connecting plate into a cylindrical shape that the shoulder belt attaching ring can easily hold by using a metal support cylinder. It was.
[Brief description of the drawings]
BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a perspective view of a backpack having a backpack belt upper end fixture of a backpack of the present invention as viewed from the backrest side.
FIG. 2 is a front view showing a part of the shoulder belt upper end fixture of the shoulder bag according to the present invention in a cutaway manner.
FIG. 3 is a central longitudinal sectional view of a shoulder belt upper end fixture of the shoulder bag of the present invention.
FIG. 4 is an explanatory diagram of a state before the connection plate of the shoulder belt upper end fixture of the shoulder bag of the present invention is folded in half.
FIG. 5 is a perspective view showing a state in which a backpack belt mounting ring of a connecting plate of a backpack belt upper end fixture of the backpack of the present invention is attached.
FIG. 6 is a perspective view of a school bag provided with a shoulder belt upper end fixture of a conventional shoulder bag, as viewed from the back pad side.
FIG. 7 is an explanatory view showing the internal structure of a shoulder belt upper end fixture of a conventional shoulder bag.
[Explanation of symbols]
3 Backpack belt mounting ring 4 Connecting plate 4a Abutting portion 4b Through hole 4c Recessed portion 4d Bending portion 5 Backrest portion 6 Leaf spring 6a Inner body 8 Caulking member 9 Metal support cylinder

Claims (3)

Through holes (4b, 4b) are formed at both ends, recesses (4c, 4c) are formed at both sides on one end side, and abutments (4a, 4a) are formed on both sides at the other end side. Fold one metal plate into two, align the through holes (4b, 4b), insert the caulking member (8) into these through holes (4b, 4b), and open the folded metal plate The metal support cylinder (9) of the shoulder belt attachment ring (3) is held in the bent portion (4d) of the metal plate which is folded in half, and the metal support cylinder (9) Both ends of the bent portion (4d) are folded back and brought into close contact with each other, and the metal plate contact portions (4a, 4a) are folded back and fixed to the concave portions (4c, 4c) of the metal plate ( 4) A shoulder belt upper end fitting for a shoulder bag, comprising: A pair of the connecting plates (4, 4) is attached to the backrest (5) so as to be swingable in the left-right direction, and inward elasticity is applied to the connecting plates (4, 4), respectively. The carrying belt upper end attachment tool of the carrying bag according to claim 1. A pair of the connecting plates (4, 4) is attached to the back rest (5) so as to be swingable in the left-right direction, and attached to the outer abutting portions (4a, 4a) of the connecting plates (4, 4). The inner spring (6a) of the substantially U-shaped leaf spring (6) is slidably brought into contact with each other, and each of the connecting plates (4, 4) is given inward elasticity. The shoulder belt upper end fixture of the shoulder bag according to claim 1.

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