JP2717624B2 - 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 of an apparatus 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. 5 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 supporting inserts 7 of the rings 6, 6 around which the base ends of the shoulder bands 5, 5 are wound, are inserted into and engaged with the receiving members 3, thereby winding the shoulder bands 5, 5. The rotating rings 6 and 6 can be attached 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. According to such a structure, the shoulder bands 5, 5 can be easily attached to the school bag. However, once the shoulder bands 5, 5 are attached, they cannot be removed.

[0003]

By the way, when the school bag is used for several years, the main frame 4 and the backing band 5 are not used.
May be worn or damaged and need to be repaired. However, since a backpack band 5 is already mounted on a school bag that needs repair, the work is hindered when, for example, the body is repaired or repaired. Also, when the backing band 5 is to be repaired, the work must be performed in a state of being attached to the school bag, which complicates the work and lowers the work efficiency.

[0004] Furthermore, as the body grows from the lower grades of the elementary school to the higher grades, the neck circumference, shoulder width, etc. increase, but a pair of shoulder bands 5, 5 are attached close to one insertion tool 3. Therefore, there is a problem that the carrying bands 5 and 5 gradually become cramped.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a shoulder strap mounting device such as a school bag which allows the attachment and detachment of a shoulder strap to be performed on each of the right and left sides, and allows a wide interval between a pair of shoulder straps to be set in advance.

[0006]

According to the present invention, there is provided an apparatus for attaching a backpack such as a school bag to a pair of backpacks 5,5.
Are individually supported, and the locking holes 10c, 1
The two insertion tools 8 and 8 formed with Oc, and these two insertion tools 8 and 8 are individually locked and locked, and fixed at a position close to the upper side of the back plate 1 constituting a container such as a school bag. And a receiving device 9 for performing the operation.

Locking pieces 15a, 15a to be inserted into locking holes 10c, 10c of the insertion tool 8 are formed in the casings 12, 13 of the receiving tool 9 at a distance from each other. A locking position (a) in which the locking member 15 having the operation projection (guide pin) 19 protruded therein is restrained by inserting the locking pieces 15a, 15a into the locking holes 10c, 10c of the insertion tool 8 and restraining the locking member. The locking pieces 15a, 15a are inserted into the locking holes 10c, 1
An urging member 16 is disposed so as to be movable between a release position (b) extracted from the position 0c and elastically constantly urges the locking member 15 toward the locking position (a). .

In the cases 12, 13, two insertion holes 12c, 12c for individually inserting the insertion tools 8, 8 are formed at the lock position (a), and the operation projections 1 of the locking member 5 are formed.
9 can be operated from outside the cases 12 and 13
d is formed in a vertically long shape that guides the operation protrusion (guide pin) 19 of the locking member 5 and restricts the movement of the locking member 5 between the lock position and the release position.

[0009]

The insertion member inserted into the insertion hole is locked by inserting the locking piece of the locking member into the locking hole, and the locked state is held by the biasing member. When removing the insertion tool, when the operation protrusion is moved to the release position via the operation hole, the locking of the insertion tool by the locking member is released. At this time, the insertion tool is pulled out from each insertion hole and removed.

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an apparatus for attaching a backpack such as a school bag according to the present invention. The device of the present invention comprises two insertion tools 8, 8 for individually supporting the base ends of a pair of backing bands 5, 5, and the insertion tools 8, 8
And a stopper 9 fixed at a position close to the upper side of the back plate 1 constituting a container such as a school bag.

As shown in FIGS. 1 and 2, the insertion device 8 includes, for example, an insertion plate 10 made of metal, and has a base end of the backing band 5 at one end. A cylindrical bearing portion 10a for supporting the ring 11 to be mounted is formed,
A bent piece 10b is formed at the other end.
Further, the insertion plate 10 has two locking holes 10c for inserting locking pieces 15a, 15a of a locking member 15 described later,
10c is formed.

The receiving member 9 includes, for example, an outer case 12 made of a synthetic resin, an inner case 13 made of, for example, a metal fitted into the outer case 12, and a synthetic resin closing the open end of the outer case 12. The inner case 13 is provided with a locking member 15, a spring member 16 as an urging member, and a spacer 17 for attaching the stopper 9 to the back plate 1 such as a school bag. Has been established.

The outer case 12 is formed symmetrically to the left and right, and a flange 12a is provided along the outer peripheral edge thereof. The outer shape of the inner case 13 is the outer case 1.
2 are formed so as to conform to the inner peripheral surface shape of the flange portion 12a formed therein, and flange portions 13a and 13b are formed at upper and lower edges thereof. In addition, the outer case 12 and the inner case 13
Notches 12b, 13c of the same width
Are formed at the same position, and a hook member 18 for hanging a school bag or the like beside a classroom wall or a desk is attached thereto. The hook member 18 has the notches 12b, 1
A locking member 18c in which step portions 18a, 18a slightly wider than the size of 3c are formed, and a through-hole 18b of the same diameter is formed at a position facing and facing the insertion hole 21 to be overlapped;
A ring 18d is rotatably supported on the end of the locking member 18c.

On the opposing surfaces of the two cases 12, 13, two horizontally elongated insertion holes 12c, 12c, 13d, 13d for inserting the insertion tools 8, 8 individually, which are spaced apart from each other.
Are formed by polymerization, and the two insertion holes 12c,
Under the middle of 12c, 13d, 13d, vertically long operation holes 12d, 13e are formed by polymerization. In addition,
Reference numeral 21 denotes an insertion hole into which the rivet R is inserted, and is formed at a corresponding position of the outer case 12, the inner case 13, and the closing plate 14.

The locking member 15 is a symmetrical plate.
Two rectangular locking pieces 15a, 15a to be inserted into the locking holes 10c of the insertion tool 8 are formed at upper ends of both ends thereof, respectively. Also, this locking member 15
The lower edge 15b is formed in a smooth curved shape from the center to both ends, and a fitting hole 15c for fitting a guide pin 19 as an operation projection is formed in the center. The two locking pieces 15 a, 15 a are inserted into insertion holes 12 formed in the outer case 12 and the inner case 13.
Inserting tool 8 inserted from c, 12c, 13d, 13d
Into the locking holes 10c, 10c of the
Is locked and restrained. Also, the guide pin 19
The tip of the outer case 12 and the inner case 13
Are located in the operation holes 12 d and 13 e of the outer case 12.
Is formed so as not to protrude from the surface.

Thus, the locking member 15 is connected to the guide pin 1
9 is movable within a range restricted by both ends of the operation holes 12d and 13e. That is, the position where the guide pin 19 is moved to the upper end of the operation holes 12d and 13e is the lock position (a) shown in FIG. 3, and in this lock position (a), the locking piece 15a of the locking member 15 Are insertion holes 12c and 13
The insertion tool 8 is inserted into the locking hole 10c of the insertion tool 8 inserted in d, and restrains the insertion tool 8. The position where the guide pin 19 is moved to the lower ends of the operation holes 12d and 13e is the release position (b) shown in FIG. Is the insertion hole 12
The insertion tool 8 is pulled out downward from the locking hole 10c of the insertion tool 8 inserted into the insertion tool c, 13d to allow the insertion tool 8 to be pulled out.

The spring member 16 is connected to the inner case 13.
Is rotatably attached to a pin 20 fixed to a fitting hole 13f formed below the operation hole 13e. As a result, both end portions 16a of the spring member 16 are always in contact with the lower edge 15b of the locking member 15, and the locking member 15 is constantly urged upward, that is, toward the lock position (a). ing.

The spacer 17 is made of, for example, metal or synthetic resin. The spacer 17 has an insertion hole 21 and a thickness substantially equal to the height of the flanges 13a and 13b of the inner case 13. It is arranged at both ends of the inner case 13 to support the closing plate 14. In the case where the mounting piece of the closing plate 14 is provided on the outer case 12 or the inner case 13, the spacer 17 need not be provided. The closing plate 14 has an outer shape that matches the shape of the inner peripheral surface of the flange 12 a of the outer case 12, and is attached to the outer case 12 via the spacer 17.

As shown in FIG. 4, the above-mentioned stopper 9 is disposed at a position close to the upper side of the back plate 1 constituting the container of the school bag, a rivet R is inserted into the fitting hole 21, and the tip of the rivet R is inserted. Is firmly fixed inside the back plate 1.

Next, the base end of the cover plate 2 is overlapped and sewn to the upper side edge of the back plate 1, and the left and right side edges and the lower side edge of the back plate 1 are joined to the main frame 4 constituting the container of the school bag. By sewing on the bent piece around the rear opening, a container is formed as in the conventional case.

On the other hand, the backing band 5 has its base end wound around the ring 11 of the insertion device 8 and is rotatably attached thereto. Insert into 9. This insertion operation will be described in detail. When the guide pin 19 is not operated, the locking member 15 is elastically urged by the spring member 16 and is moved to the lock position (a).

In this state, the operation hole 1 of the outer case 12 is
When the tip of a manual tool such as a screwdriver is engaged with a + or-shaped groove engraved on the outer end surface of the guide pin 19 facing the inside of 2d and pushed down from the outside of the outer case 12, The locking member 15 moves from the lock position (a) to the release position (b). With the locking member 15 moved to the release position (b), the insertion tool 8 is inserted from the insertion holes 12c and 13d.

Thereafter, when the pressing force of the guide pin 19 is released, the locking member 15 is returned to the locked position (a) by the urging force of the spring member 16, and the locking pieces 15a, 15a of the locking member 15 at this time. Is the locking hole 1 of the insertion tool 8
0c, 10c to lock and lock the insertion tool 8.

This locked state is continued by the spring member 16 unless the guide pin 19 is pushed down in the same manner as described above, so that the carrying band 5 does not accidentally come off.
In this embodiment, after the insertion tool 8 is locked to the receiving tool 9, a seal (not shown) or the like is stuck on the operation hole 12d, and the user operates the guide pin 19 carelessly. I cannot do it.

When the main frame 4 and the shoulder band 5 of the school bag are damaged, it may be necessary to remove one or both of the shoulder bands 5 for repair. In this case, the seal adhered to the operation hole 12d of the outer case 12 is peeled off, and the guide pin 19 facing the operation hole 12d is pushed downward as described above to lock the locking member 15. Move from position (a) to release position (b). With the locking member 15 moved to the release position (b), insert the insertion tool 8 to be removed into the insertion hole 1.
2c and 13d are pulled out, and the backpack bands 5 are individually removed.

The present invention is not limited to the above-described embodiment, but can be variously modified within the scope of the invention. For example, in the above-described embodiment, the outer case is formed of a synthetic resin and a metal inner case is fitted therein. However, the outer case is formed of a metal plate, and a locking member or an attachment is formed thereon. The biasing member may be directly disposed, and the inner case may be omitted. As a result, it is possible to reduce the number of parts and the manufacturing cost. Further, in the above-described embodiment, the operation hole has a function of guiding the movement of the locking member. However, the operation hole may be formed in a size and a shape that can operate the operation protrusion. Further, the urging member may be a leaf spring, a coil spring or the like other than the above-mentioned spring member, or may use an elastic body such as rubber as the urging member.

[0027]

According to the present invention, an insertion device is attached to each base end of a pair of backing bands, and a locking member for locking the insertion device is operated via an operation projection (guide pin). Since it is made to move from the outside of a case, a carrying band can be attached and detached individually.
Since the insertion tools are individually attached to the respective base ends of the pair of backing bands, the bases of the pair of bands are set to be wider in advance because they can be separated from each other and locked to the stopper. be able to.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an apparatus for attaching a backpack such as a school bag of the present invention.

FIG. 2 is an exploded perspective view of the same device as viewed from the back side.

FIG. 3 is a rear view mainly explaining the operation of a locking member disposed in the apparatus.

FIG. 4 is a perspective view illustrating a state where the device is applied to a school bag.

FIG. 5 is a perspective view illustrating a state in which a conventional backpack band attaching device is applied to a school bag.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 5 Backing band 8 Insertion tool 9 Receiving tool 10c Locking hole 12 Outer case 12c Insertion hole 12d Operation hole 13 Inner case 13d Insertion hole 13e Operation hole 14 Closing plate 15 Locking member 15a Locking piece 16 Energizing Member 18 Hook member 19 Guide pin as operation protrusion R Rivet (A) Lock position (B) Release position

Claims (1)

(57) [Claims] 1. Two insertion tools which individually support each base end of a pair of backpacks and have a locking hole,
A backpack band mounting device such as a school bag comprising a receiving device for locking the two insertion tools individually and fixing the insertion device at a position close to the upper side of a back plate constituting a container such as a school bag. In the case, a locking member to be inserted into the locking hole of the insertion tool is formed at a distance, and a locking member having an operation projection protruding on one side surface is provided. The lock piece is movably disposed between a lock position where the lock piece is inserted into and locked in the lock hole and a release position where the lock piece is pulled out from the lock hole, and the locking member is oriented toward the lock position. Providing a biasing member that constantly biases elastically;
In the case, two insertion holes for individually inserting the insertion tools are formed at the lock position, and an operation hole for operating the operation protrusion of the locking member from outside the case is provided. A shoulder strap mounting device such as a school bag, which is formed in a vertically long shape for restricting the movement of the locking member between a lock position and a release position.