JP2573017Y2 - Backpack band mounting device for school bags, etc. - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a device for attaching a backpack such as a school bag.

[0002]

2. Description of the Related Art Japanese Patent Application Laid-Open No. 49-123206 discloses an apparatus for attaching a band such as a backpack of this type. FIG. 6 is a perspective view for explaining a state in which the shoulder strap mounting device is applied to a school bag. In this device, the backing plate 1, the cover plate 2, and the main frame 4 are sewn in a state in which the stopper 3 containing the meshing means therein is fixed to a predetermined position of the backing plate 1, Thereafter, the support inserts 7 of the rings 6, 6 around which the base ends of the shoulder bands 5, 5 are wound, are inserted and engaged with the stopper 3. Thereby, the attachment of the backing bands 5, 5 and the rings 6, 6 around which the backing bands 5, 5 can be performed after the sewing operation of the back plate 1 and the cover plate 2 and the back plate 1 and the main frame 4 is completed. Things. According to this device, the shoulder band 5 and the ring 6 do not hinder the sewing operation, and the shoulder band 5 can be easily attached to a school bag or the like.

[0003]

[Problems to be Solved by the Invention] However, the neck circumference, shoulder width, etc. increase with the growth of the body from the lower grades to the upper grades of elementary school using the school bag. There is a drawback that the carrying bands 5 and 5 become gradually cramped because they are attached close to one catch 3.

Further, in the above-mentioned conventional device, the insertion member is locked by the spring members having the hooks formed inward at both ends, so that the tensile force acting on the backing bands 5, 5 is applied to the spring members. Acts directly. For this reason, when the carrying bands 5 and 5 are pulled with a stronger force than in a normal use state, the spring member is plastically or elastically deformed so as to spread on both sides, and there is a concern that the insertion tool may come off and come off. Was.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a device for attaching a backpack such as a school bag which has a simple structure and which can be made rigid while allowing a wide interval between a pair of backpacks.

[0006]

According to the present invention, there are provided two inserts 8, 8 for individually supporting the base ends of a pair of backing bands 5, 5, and two inserts 8, 8, respectively. And a stopper 9 which is fixed to the back plate 1 constituting a container such as a school bag.

The supporting member 10 of the receiving member 9 has two insertion holes 16 for inserting the insertion tool, which are formed at the upper end of the support member 10 apart from each other. Locking member 11 movably supported between a position (a) facing the insertion path and a position (b) deviating from the insertion path.
A guide portion 12a for guiding the inserted insertion tool 8 is provided on the outer side of each insertion hole 16, and the locking member 1 is elastically moved toward the position (a) facing the insertion path. An urging member 13 that constantly urges is provided.

[0008] The insertion member 8 is continuously connected to a side (b) of the side that comes into contact with the locking member 11 toward a position (b) deviating from the insertion path against the elastic force of the urging member 13. And the engaging portion 20f for engaging the locking member 11 moved along the curved surface portion 20e, and the side portion contacting the guide portion 12a is provided with the guide portion 12a. A fitting portion 20c to be fitted is formed.

[0009]

When the insertion tool is inserted into the insertion hole, the starting end of the curved surface formed on the insertion tool comes into contact with the locking member, and the locking member is attached to the urging member in accordance with the insertion operation of the insertion tool. It is moved toward a position deviated from the insertion path against the force, and the fitting portion is fitted to the guide portion during the movement. After the fitting, according to the insertion operation, the insertion tool moves around the guide portion, and the movement causes the locking member in contact with the curved surface portion to further move to a position deviated from the insertion path. . Then, the insertion member is engaged and locked by the engaging member by the urging force of the urging member, and is firmly attached to the receiving member.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described with reference to the drawings. FIG. 1 is a rear view showing an embodiment of a device for attaching a backpack such as a school bag of the present invention, FIG. 2 is a plan view of the device, FIG. 3 is a side view thereof, and FIG. FIG. 5 is a front view of a state in which the device is applied to a school bag.

The present device comprises two inserts 8, 8 for individually supporting the base ends of a pair of backing bands 5, 5, and these inserts 8, 8 are individually locked. And a catch 9 fixed at a position close to the upper side of the back plate 1 constituting a container such as a school bag.

The receiving member 9 includes a horizontally long support 10 made of metal or synthetic resin. On the back surface 10a side of the support 10, locking members 11, 11, guide members 12, 12 and urging members are provided. Are disposed. The support 10 has stoppers 14 for positioning each of the locking members 11 and three insertion holes 15 for rivets R for fixing the stopper 9 to the back plate 1 such as a school bag. It is formed at the end.

The upper edge of the support 10 has two flanges 10
b, 10b are formed symmetrically spaced apart from each other. Insert holes 16, 16 are formed in each of the flanges 10b, and between the flanges 10b, 10b, for example, beside a classroom wall or a desk. A hook member 17 for suspending a school bag or the like is provided. A continuous flange 10c is provided on the lower edge of the support 10, and holding pieces 10e, 10e for holding and fixing the leaf spring 13 are formed in a part thereof.

The hook member 17 has stepped portions 17a, 17a formed wider than the opening width between the two flange portions 10b, 10b of the support 10, and the fitting hole at the center of the support 10 is formed. The locking plate 17b includes a locking plate 17b having a through hole of the same diameter at a position facing the locking plate 15 and a ring 17d supported by a support 17c formed at the upper end of the locking plate 17b.

A locking member 11 for locking the insertion tool 8 inserted through the insertion hole 16 is disposed below the flanges 10b and 10b and outside the insertion holes 16. The locking member 11 has its base end rotatably attached to a pin 18 fixed to the back surface 10 a of the support 10, and is separated from a position (a) facing the insertion path of the insertion tool 8 and from the insertion path. It is freely movable between the position (b). In addition, a claw portion 11a that locks the insertion tool 8 is formed at the distal end portion thereof so as to protrude.

The locking members 11, 11 are always elastically urged by the left and right free ends 13a, 13a of the one leaf spring 13 disposed below toward the position (a) facing the insertion path. Have been. The leaf spring 13 has its central part fixed on the recess 10 d of the flange 10 c of the support 10. In addition, as the urging member, a leaf spring may be provided for each of the locking members 11, and not limited to the leaf spring, another spring such as a coil spring or an elastic body such as rubber may be used. .

The guide member 12 for guiding the inserted insertion tool 8 is fixed to the inside of each insertion hole 16. The guide member 12 has a semicircular guide portion 1 at its upper end.
2a is formed so as to protrude toward the insertion hole 16, and a lower end portion of the protruding portion 12 is held at a predetermined distance from the guide portion 12a.
b is formed. A space between the guide portion 12a and the protruding portion 12b is formed at an interval at which an insertion plate 20, which will be described in detail later, of the insertion tool 8 inserted into the insertion hole 16 is inserted.
The insertion plate 20 is formed in a shape corresponding to the outer shape of the contact portion of the insertion plate 20 so as to firmly hold the distal end of the insertion plate 20 from both sides. Further, a common support member 19 is attached to the tip of a pin 18 that rotatably supports the locking member 11 and the tip of two rivets R, R that fix the guide member 12.

As shown mainly in FIGS. 1 to 3, the insert 8 has an insert plate 20 made of metal, for example. The insertion plate 20 includes an insertion piece 20 ′ to be inserted into the insertion hole 16 and a bent piece 20 ″ formed with a cylindrical support portion 20 a for supporting a ring 21 for attaching the base end of the backing band 5. A semicircular fitting portion 20c is formed on a side portion 20b of the insertion piece 20 'which abuts on the guide portion 12a of the guide member 12 fixed to the support body 10. .

On the other hand, on the side portion 20d of the insertion piece 20 'which abuts on the locking member 11, the locking member 11 is directed toward a position (b) deviating from the insertion path against the urging force of the leaf spring 13. A curved surface portion 20e to be continuously moved and an engaging portion 20f to engage the locking member 11 moved along the curved surface portion 20e are formed.

As shown in FIG. 5, the receiving device 9 is disposed at a position close to the upper side of the back plate 1 constituting the container of the school bag, and the rivets R are inserted into the fitting holes 15. The tip is caulked inside the back plate 1 and fixed firmly.

Next, the base end of the cover plate 2 is superimposed and sewn to the upper edge of the back plate 1, and the left and right edges and the lower edge of the back plate 1 are joined to the rear surface of the main frame constituting the container of the school bag. By sewing on the bent piece around the opening, a container is formed as in the conventional case.

On the other hand, the backpack band 5 is rotatably attached by winding the base end thereof around the ring 21 of the insertion member 8, and the insertion member 8 is already fixed to the back plate 1. Insert it into the tool 9. This insertion operation will be described.

When the insertion tool 8 is not inserted into the insertion hole 16, the locking member 11 is brought into contact with the stopper 14 by the urging force of the leaf spring 13 and is moved to the position (a) facing the insertion path. When the insertion tool 8 is inserted into the insertion hole 16 as shown by a dashed line in FIG. 1, first, the vicinity of the start end of the curved surface portion 20 e formed on the insertion plate 20 contacts the claw portion 11 a of the locking member 11. The locking member 11 moves toward a position (b) outside the insertion path in accordance with the insertion operation of the insertion plate 20.

During the insertion of the insertion member 8, the fitting portion 20 c of the insertion plate 20 is fitted to the guide portion 12 a of the guide member 12. After the fitting, the insertion plate 20 moves about the guide portion 12a in accordance with the insertion operation. By this movement, the locking member 11 in contact with the curved surface portion 20e is further moved toward a position (b) outside the insertion path. At this time, the claw portion 11a of the locking member 11 slides on the curved surface portion 20e of the insertion plate 20 toward the end of the curved surface portion 20e.

Then, the claw portion 11a of the locking member 11 is fitted into the engaging portion 20f, and the distal end of the insertion plate 20 is
The guide plate reaches between the second guide portion 12a and the protruding portion 12b and is restrained from both upper and lower sides, so that the insertion plate 20 cannot rattle. Since the insertion state of the insertion plate 20 by the engagement member 11 is continued by the urging force of the leaf spring 13,
Even when the school bag is turned over or subjected to vibration, impact, or the like, the insertion tool 8 does not come off from the receiving tool 9, and therefore, the shoulder strap 5 does not come off accidentally.

It should be noted that the present invention is not limited to the above-described embodiment, and various modifications can be made within the scope of the invention, and the following structure may be adopted. Position (b) where the locking member faces the insertion path and position (b) where the locking member deviates from the insertion path
And a position facing the insertion path of the insertion tool by holding each locking member on one side of each insertion hole 16 so as to move linearly between the insertion tools by a common or individual urging member. You may make it urge toward.

[0027]

According to the present invention, a separate insertion tool is attached to each base end of a pair of backing bands, and two insertion holes into which the respective insertion tools are inserted are supported by the receiving member support. Are formed at the upper end portions of the band so as to be separated from each other, so that the interval between the pair of backing bands can be set to be wide in advance.

Further, since the insertion tool is supported by the guide members and the locking members arranged on both sides of the insertion hole, the mechanical strength can be made sufficiently large, that is, a rigid structure can be obtained. Even if the band is strongly pulled with a force higher than the normal use state, the band is not deformed, and the insertion tool can be prevented from coming off.

[Brief description of the drawings]

FIG. 1 is a rear view showing a back strap mounting device such as a school bag as an embodiment of the present invention.

FIG. 2 is a plan view of the same device.

FIG. 3 is a side view of the same.

FIG. 4 is a partially exploded perspective view showing the receiving device of the apparatus in an exploded manner.

FIG. 5 is a front view illustrating a state where the device is applied to a school bag.

FIG. 6 is a perspective view illustrating a state in which a conventional backpack band attaching device is applied to a school bag.

[Explanation of symbols]

 Reference Signs List 8 insertion tool 9 stopper 10 support 10a back surface 11 locking member 11a claw portion 12 guide member 12a guide portion 13 leaf spring as biasing member 14 stopper 16 insertion hole 17 hook member 20 insertion plate 20c fitting portion 20e Curved surface part 20f Engagement part (a) Position facing the insertion path (b) Position deviating from the insertion path R Rivet

Claims (1)

(57) [Scope of request for utility model registration] 1. A pair of inserts for individually supporting the base ends of a pair of shoulder straps, and the two inserts are locked and fixed to a back plate constituting a container such as a school bag. A backing band mounting device such as a school bag comprising a receiving device, wherein a support of the receiving device has two insertion holes for inserting an insertion device formed at an upper end portion apart from each other. A locking member movably supported between a position facing the insertion path of the insertion tool and a position deviating from the insertion path is provided on the inner part of the hole, and the locking member is inserted into the outer part of each insertion hole. A guide portion for guiding the insertion tool is provided, and an urging member that constantly elastically urges the locking member toward a position facing the insertion path is provided. The locking member is inserted into the side portion that abuts against the member against the elastic force of the biasing member. A curved surface portion that continuously moves toward a position deviating from the path, and an engaging portion that engages the locking member moved along the curved surface portion are formed, and a side portion that contacts the guide portion is A carrying device for a backpack such as a school bag, wherein a fitting portion for fitting to the guide portion is formed.