JPH0910036A - Height adjustment device for shoulder belt for back bag - Google Patents

Abstract

PURPOSE: To change height of a shoulder belt of which upper end part is connected to a shoulder belt installation plate by fixing the shoulder belt installation plate integrally with an elevation plate in such a way that the elevation plate moves vertically to an installation base plate fixed to a back side surface of a bag main body. CONSTITUTION: An elevation plate 13 is disposed in a center space of an installation base plate 10, and assembled to be freely vertically movable to the installation base plate 10 in such a way that a lock claw 17 can be engaged with/ detached from a desired locking recess 15 by deformation of an arm member 16. A shoulder belt installation plate 12 is fixed to a surface of the elevation plate 13, so the elevation plate 13 is shielded on the back side. A lock plate 14 is vertically movably assembled to the installation base plate 10 and the elevation plate 13. A stopper 22 provided on the lock plate 14 is disposed between the arm members 16 on both sides at the elevation plate 13, and a handle 19 at an upper end of the lock plate 14 is protruded upward from the installation base plate 10. A lock protrusion 21 provided on a leg member 20 of the lock plate 14 is set slidable to a side surface of the elevation plate 13.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for adjusting the height of a shoulder belt attached to a backpack bag such as a rucksack.

[0002]

2. Description of the Related Art Conventionally, the mounting position of the upper end portion of a shoulder belt can be vertically displaced so that anyone can easily carry it, regardless of the difference in height of the person carrying it on the back, and the position can be adjusted to a suitable position. There is a backpack bag. 6 and 7 show an example of such a backpack bag. Hereinafter, this conventional example will be described. In this backpack bag, a shoulder strap mounting plate 2 called a "patch" made of plastic, which connects the upper ends of the shoulder straps 1a and 1b, is provided separately from the bag body 3, while the back abutment surface of the bag body 3 is provided. 4, a tape-shaped hook 9 is provided at a plurality of positions where the height of the center portion is different from each other in parallel in a lateral direction and the inner surface portion is opened in the vertical direction.
A receiving portion 5a that can be inserted into the inside of the hook 9 and has a sheet fastener (a product name is "velcro tape" or the like) in a lower half portion thereof.
Further, mounting belts 6 each having a hooking portion 5b of the planar fastener are provided in the upper half portion thereof, and the mounting belts 6 are fitted in the mounting holes 7 provided in the lower end portion of the shoulder belt mounting plate 2 described above. The shoulder-hanging belt attachment plate 2 is formed by connecting the through-holes and then folding back to lock the receiving portion 5a and the hanging portion 5b of the planar fastener.
Can be attached to the backrest surface 4 of the bag body 3 at an arbitrary height.

However, in the conventional backpack bag as described above, when the height of the shoulder belt mounting plate 2 is changed,
There is a problem that the mounting belt 6 needs to be taken in and out of the hook 9 and the receiving portion 5a and the hanging portion 5b of the planar fastener of the mounting belt 6 have to be detached and attached, which makes the operation extremely complicated. Further, since a plurality of hooks 9 are provided on the back surface 4 of the bag body 3, there is also a complaint that the appearance is not good.

[0004]

SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a device for adjusting the height of a shoulder belt in a novel backpack bag, which makes it easy to adjust the height of the shoulder belt and has a good appearance. .

[0005]

In order to achieve the above object, the height adjustment device for a shoulder belt in a backpack bag according to the present invention has locking recesses 15 at a plurality of vertical positions, and has a recess 15 in the bag body 8. A mounting board 10 fixed to the backrest surface 9 and an arm piece 16 having a spring property provided with a locking claw 17 that can be engaged with and disengaged from the locking recess 15 are provided above and below the mounting board 10. Two shoulder belts that can be assembled freely
1. An elevating plate 13 that is integrally fixed to a shoulder belt mounting plate 12 that connects the upper end of 1 to both end shoulders, and is movably assembled to the elevating plate 13, and a locking claw 17 of the elevating plate 13 is attached. In a state in which the locking recess 15 of the board 10 is engaged, the locking recess 1 is prevented by preventing the arm piece 16 of the lift plate 13 from being deformed.
5 and a position for preventing the locking claw 17 from coming out of the arm 5, and the arm piece 1.
A stopper 2 which can be freely deformed to be displaced to a position where the locking claw 17 can be removed from the locking recess 15.
The lock plate 14 is provided with two.

[0006]

The shoulder-belt mounting plate 12 is integrally fixed to the elevating plate 13, and the elevating plate 13 moves up and down with respect to the mounting substrate 10 fixed to the backrest surface 9 of the bag body 8. It is also possible to change the height of the shoulder belt 11 that connects the upper end portion to. Further, since the mounting board 10 is provided with the locking recesses 15 at a plurality of positions in the vertical direction and the locking claws 17 of the elevating plate 13 can be engaged with the arbitrary locking recesses 15, the shoulder belt 11 can be mounted at any height. Can be adjusted to. Then, in a state in which the locking claw 17 is engaged with the arbitrary locking recess 15, the stopper 22 of the lock plate 14 is moved to a position that prevents the deformation of the arm piece 16 of the elevating plate 13 from moving from the locking recess 15. Since it is possible to prevent the locking claws 17 from coming off, the elevating plate 13 and the shoulder belt mounting plate 12 are fixed, and the shoulder belt 11 is prevented from being displaced.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. First, FIG. 1 shows a state in which the device of the present invention is attached to a backrest surface 9 of a backpack bag body 8. That is, the mounting board 10 in the device of the present invention is fixed to the backrest surface 9, and the upper ends of the two shoulder belts 11 are connected to the shoulder portions of the shoulder belt mounting plate 12, respectively. The shoulder belt mounting plate 12 is integrally fixed to an elevating plate 13 hidden inside, and the elevating plate 13 is vertically movably assembled to the mounting substrate 10, and the elevating plate 13 is fixed by a lock plate 14. It is fixed at an arbitrary height.

Next, FIG. 2 is an exploded view of the device of the present invention. First, the mounting substrate 10 is provided with locking recesses 15 at a constant pitch at a plurality of positions on the left and right sides in the vertical direction. Next, the lift plate 13 has arm pieces 16 each having a spring property on both left and right sides, and an outward engaging claw 17 is provided at the tip of the arm piece 16, and an engaging groove 18 is also provided on both side surfaces. It is provided. Further, the lock plate 14 is provided with a handle 19 at the upper end, spring-like leg pieces 20 are provided on both sides of the lower end, and inward locking projections 21 are provided at the tips of the leg pieces 20, and further, the leg pieces 20 have A stopper 22 is provided at the center of a horizontal plate that is provided between the upper end positions.

Next, FIG. 3 shows a state in which the above-mentioned parts are assembled. The elevating plate 13 is arranged in the central space of the mounting board 10 so as to be vertically movable with respect to the mounting board 10, and its locking claw 17 is engaged with an arbitrary locking recess 15 by deformation of the arm piece 16. It is detachably attached. And, the shoulder belt mounting plate 12 is provided on the surface of the elevating plate 13.
Is fixed, and the elevating plate 13 is hidden behind it. Further, the lock plate 14 is assembled to the mounting substrate 10 and the elevating plate 13 so as to be vertically movable. The stopper 22 provided on the lock plate 14 is provided on both sides of the arm plate 16 on the lift plate 13.
Between the lock board 14 and the handle 19 at the upper end of the lock plate 14 is the mounting board 1.
It projects above 0. The locking projections 21 provided on the leg pieces 20 of the lock plate 14 are slidable with respect to the side surface of the elevating plate 13.

As shown in FIG. 3, the locking claw 1 of the lifting plate 13
When the lock plate 14 is pulled up in a state in which the lock plate 7 is engaged with the arbitrary locking recess 15 of the mounting substrate 10, the stoppers 22 of the lock plate 14 are fixed to the upper end portions of the arm pieces 16 on both sides of the lift plate 13. Since the arm piece 16 is located inside, it prevents the arm piece 16 from being deformed inward, and prevents the locking claw 17 from coming out of the locking recess 15. Therefore, the lift plate 13 is fixed to the mounting substrate 10. At this time, the locking projection 21 provided on the leg piece 20 of the lock plate 14 engages with the locking groove 18 on the side surface of the elevating plate 13 to fix the lock plate 14 and the elevating plate 13 together.

Next, as shown in FIG. 5, when the lock plate 14 is pushed downward and the locking projection 21 is ejected from the locking groove 18 and lowered, the stopper 22 lowers the lower end portion between the arm pieces 16 on both sides. Then, the upper end of the arm piece 16 can be deformed inward, and the locking claw 17 can be removed from the locking recess 15. Therefore, the elevating plate 13 can be moved with respect to the mounting substrate 10, and the height of the shoulder belt mounting plate 12 can be changed. When the lifting plate 13 is displaced to an appropriate height and then the lock plate 14 is pulled up again, the lifting plate 13 is fixed to the mounting substrate 10 as described above.

[0012]

The present invention is as described above, and the height of the shoulder belt 11 can be easily adjusted only by moving the lock plate 14 and lifting the elevator plate 13 and the shoulder belt attachment plate 12. There is. Further, the present invention does not require a plurality of hooks or the like provided on the back surface of the bag body as in the above-described conventional example, and thus has an advantage that the appearance is smart and the appearance is good.

[Brief description of the drawings]

FIG. 1 is a front view showing a state in which the bag is attached to a back surface of a bag body.

FIG. 2 is an exploded perspective view.

FIG. 3 is a front view showing a state in which an elevating plate is fixed to a mounting substrate, in which a central portion of a shoulder belt mounting plate is cut off.

FIG. 4 is a sectional view taken along line AA of FIG. 3;

FIG. 5 is a cross-sectional view showing a state in which the lifting plate is movable with respect to the mounting substrate, and is a position at which the stopper of the lock plate is just cut.

FIG. 6 is a perspective view of a conventional backpack bag in which the height of the shoulder belt can be adjusted.

FIG. 7 is a cross-sectional view of essential parts of the backpack bag of the conventional example shown in FIG.

[Explanation of symbols]

 1a Shoulder belt 1b Shoulder belt 2 Shoulder belt mounting plate 3 Bag body 4 Backrest surface 5a Sheet fastener receiving portion 5b Sheet fastener hook portion 6 Mounting belt 7 Mounting hole 8 Bag body 9 Backrest surface 10 Mounting board 11 Shoulder belt 12 Shoulder strap mounting plate 13 Lift plate 14 Lock plate 15 Locking recess 16 Arm piece 17 Locking claw 18 Locking groove 19 Handle 20 Leg piece 21 Locking groove 22 Stopper

Claims (1)

[Claims] 1. A mounting substrate 10 which has locking recesses 15 at a plurality of vertical positions and which is fixed to a backrest surface 9 of a bag body 8.
And the mounting board 1 having the spring-like arm piece 16 provided with a locking claw 17 that can be engaged and disengaged with the locking recess 15.
An elevator plate 13 that is vertically movable with respect to 0, and is integrally fixed to a shoulder belt attachment plate 12 that connects the upper ends of two shoulder belts 11 to the shoulder portions at both ends, and is movable with respect to the elevator plate 13. Is attached to the locking claw 17 of the lifting plate 13.
Is engaged with any locking recess 15 of the mounting substrate 10, a position that prevents deformation of the arm piece 16 of the elevating plate 13 and prevents the locking claw 17 from coming out of the locking recess 15, and Adjusting the height of a shoulder belt in a backpack bag, which comprises a lock plate 14 provided with stoppers 22 which are respectively displaceable at positions where the arm pieces 16 can be freely deformed to allow the locking claws 17 to escape from the locking recesses 15 apparatus.