JP3626237B2 - Backpack cover for shoulder bag - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a back cover cover for a backpack that is attached to a back cover portion of a backpack such as a school bag or a rucksack to prevent peeling due to sweat or the like.
[0002]
[Prior art]
Generally, when carrying a backpack such as a school bag or a rucksack, the backrest part is closely attached to the back of the user and the air permeability is poor, so the user's back is between the backrest part of the backpack. I sweated, and it was unsanitary due to peeling and stickiness.
[0003]
In order to solve such problems, there are those with a backrest part of the shoulder bag that has been processed into irregularities and a gap between it and the back, or those that have been perforated to give air permeability. However, even if these processes are performed, sweating or stickiness occurs at the portion that contacts the user's back, and therefore it cannot always be said that there is sufficient air permeability.
[0004]
In addition, if the backrest of the shoulder bag is soiled by sweating or peeling, it may not be possible to clean depending on the material of the shoulder bag or even if it can be cleaned, the bag itself must be washed. It will take.
[0005]
[Problems to be solved by the invention]
The technical problem of the present invention is that it can be easily attached to and removed from a school bag, a rucksack, etc., and when it is attached and a shoulder bag is carried on its back, the backrest part and the back may be peeled or sticky due to sweating or the like. It is an object of the present invention to provide a back cover for a shoulder bag that does not need to be done and can always keep the back portion clean.
[0006]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, a back cover for a shoulder bag according to the present invention is mounted on a back cover cover body made of a three-dimensional and interstitial three-dimensional fabric so as to be detachably mounted on a back part of the shoulder bag. The cover body is formed of a plurality of columnar members having a thickness direction component of the cover body, and has a breathable and elastic middle layer portion, and a fiber on the surface of the middle layer portion. It consists of a breathable and hygroscopic surface layer portion formed by attaching a material and a breathable porous back layer portion formed on the back surface of the middle layer portion, and the middle layer portions are arranged side by side. The columnar member is formed in a mesh shape in front view, the surface layer portion is integrally formed in a mesh shape along the arrangement of the columnar members, and the back layer portion is formed from the middle layer portion and the surface layer portion. Has a fine porous structure , And it is characterized in that it is integrally joined to the rear surface of the middle portion.
[0007]
In the present invention, it is desirable that the upper Kiura layer portion is a sheet.
Further, the columnar member in the middle layer portion can be formed by bending a long linear material to a desired height.
[0008]
Further, in the present invention, a hole for inserting a backpack belt is provided in a part of the back cover cover when the back cover is mounted, and the mounting means is provided at the upper end portion and the lower end portion of the cover body. The attachment means at the upper end is provided with a pair of stretchable attachment strings attached to the left and right ends of the cover body, and the attachment means at the lower end is connected to the cover body at both ends. It consists of a series of elastic straps attached to both left and right ends.
[0009]
[Action]
The back cover for the shoulder bag having the above-described structure is formed of a three-dimensional fabric having a three-dimensional gap and has good ventilation, and mounting means for making it removable on the back part of the shoulder bag is provided. Therefore, when the back cover cover becomes dirty, it can be easily removed by removing it from the bag.
[0010]
Further, the back cover cover body is composed of a surface layer portion, a middle layer portion, and a back layer portion, and the surface layer portion that contacts the user's back is formed of a hygroscopic material so that the user's back When sweating between the back cover body and the back cover cover, it is possible to further prevent stuffiness and stickiness.
[0011]
【Example】
1 and 2 show an embodiment of a back cover for a shoulder bag according to the present invention.
The illustrated back cover 1 for the backpack is provided with a hole 5 in the upper center of the substantially rectangular back cover body 3 for inserting the back belt a when attached to the school bag A (see FIGS. 3 and 4). Reinforcing members 3a and 5a are attached to the edge portion of the back cover cover body 3 and the outer peripheral portion of the hole 5 by sewing, respectively. In addition, attachment means 7 for detachably attaching to the backrest portion b of the school bag A are attached to the upper and lower ends at both side ends of the backrest cover main body 3.
[0012]
The back cover cover body 3 is formed into a substantially rectangular plate shape by a three-dimensional fabric in which a surface layer portion 11 and a back layer portion 13 are provided on both front and back surfaces of the middle layer portion 9. The middle layer portion 9 is formed by a large number of columnar members 9a rising in the thickness direction of the cover body 3, and the columnar members 9a juxtaposed at intervals are made of a synthetic resin such as nylon or polyester. A linear material of a scale is bent in a vertical loop shape to have elasticity, and arranged in a substantially turtle shell mesh shape in front view. On the surface side of the columnar member 9a constituting the middle layer portion 9, a surface layer portion 11 formed of a fiber material such as breathable and hygroscopic cotton yarn is integrally joined by weaving or weaving, and the columnar members On the back side of the member 9a, a porous back layer portion 13 formed by providing air permeability with synthetic resin fibers such as nylon or polyester is integrally joined by weaving or weaving.
[0013]
Here, the back cover cover body 3 has moderate elasticity and retains air permeability when the columnar member 9a forming the middle layer portion 9 has at least a component in the thickness direction of the cover body 3. As long as the three-dimensional woven fabric has a gap for the purpose, the structure and shape are not limited to those described above, and the columnar member 9a constituting the middle layer portion 9 has a thickness direction component of the back cover cover body 3. It can be oriented in an inclined shape or a waveform. Further, the columnar members 9a can be arranged to form an arbitrary mesh shape with a regular front view shape, for example, a circle, an ellipse, a rectangle, or a triangle. Furthermore, the columnar members 9a are irregularly and uniformly oriented. You can also. The backrest cover body 3 is not limited to the substantially rectangular shape as described above, but may be any shape such as a circle, an ellipse, or a rectangle.
In addition, the surface layer portion 11 is not limited to one in which fiber materials are joined along the arrangement of the columnar members 9a in the middle layer portion 9 as described above. It may be a product obtained by joining shaped materials.
Furthermore, the means for joining the surface layer portion 11 and the back layer portion 13 to the middle layer portion 9 is not limited to the above-described knitting, and can be bonded by applying heat welding or an adhesive. .
[0014]
At the upper and lower ends of the back cover main body 3, the mounting means 7 for mounting on the school bag A are provided. The attachment means 7 at the upper end portion is composed of a pair of elastic attachment cords 7a, 7a such as rubber cords attached to the left and right ends of the cover body 3, and at the tips of these attachment cords 7a, 7a, Fasteners 7b, 7b that can be engaged and disengaged are provided. On the other hand, the mounting means 7 at the lower end portion of the cover body 3 is constituted by a series of mounting strings 7c having elasticity such as rubber strings formed by stitching both ends to the left and right sides.
The mounting means 7 is not limited to the above-described configuration, and an optimal fastening device or the like that is fastened to the backrest portion of the shoulder bag on which the back cover cover body is mounted is optimal. It can be set as a simple structure.
[0015]
When the back cover 1 is attached to the school bag A, as shown in FIGS. 3 and 4, the fasteners 7b and 7b of the attachment strings 7a and 7a at the upper end of the back cover main body 3 are At the inner base end of the lid portion c of the school bag A, the back belt a of the school bag A is inserted into the hole 5 so that the back layer 13 of the back cover body 3 is connected to the back of the school bag A. It can be easily mounted by contacting the abutting portion b and further expanding and contracting the attachment string 7c at the lower portion of the backrest cover main body 3 to be engaged with the protruding portion d at the lower end of the school bag A. .
[0016]
The back cover cover 1 for a shoulder bag having the above-described structure is formed of a three-dimensional woven fabric having a three-dimensional elasticity and a large number of gaps, which includes a middle layer portion 9, a surface layer portion 11, and a back layer portion 13. Therefore, the school bag A to which the back cover cover 1 is attached has good air permeability in the back support part b and has a good backrest when the school bag A is carried on the back. Since the surface layer portion 11 that comes into contact is formed of hygroscopic cotton yarn, when sweating between the user's back and the back cover 1, it is possible to further prevent stuffiness and stickiness. it can.
[0017]
Moreover, since the attaching means 7 which can be attached to and detached from the school bag A is provided at the upper end and the lower part at both side ends of the back cover body 3, it is removed from the school bag A when the back cover cover 1 becomes dirty. The back cover 1 can always be kept clean.
[0018]
【The invention's effect】
As described in detail above, the back cover for a backpack of the present invention can be easily attached to a school bag, a rucksack or the like. It is possible to prevent the skin and the back from being peeled or sticky due to sweating, etc., and because it is removable, it can be removed and cleaned easily. It can always be kept clean.
[Brief description of the drawings]
FIG. 1 is a front view of a back cover for a shoulder bag according to the present invention.
2 is an enlarged perspective view schematically showing a structure of a back cover cover body in FIG. 1. FIG. 3 is an explanatory view showing a state in which the back cover of FIG. 1 is attached to a school bag.
4 is a side view of FIG. 3. FIG.
[Explanation of symbols]
1 Back cover 3 Back cover body
5 hole 7 mounting means
7a, 7c Attached string
9 Middle class
9a Columnar member
11 Surface layer
13 Back layer
A school bag
b Backrest

Claims (4)

It is formed by providing attachment means for detachably attaching to the back support part of the shoulder bag on the back cover cover body made of a three-dimensional woven fabric with many gaps,
The cover main body is formed by attaching a breathable and elastic middle layer portion formed of a number of columnar members having a thickness direction component of the cover main body, and attaching a fiber material to the surface of the middle layer portion. A breathable and hygroscopic surface layer portion, and a breathable porous back layer portion formed on the back surface of the middle layer portion ,
The middle layer portion is formed in a front view mesh shape by the columnar members arranged side by side, the surface layer portion is integrally formed in a mesh shape along the arrangement of the columnar members, and the back layer portion is It has a finer porous structure than the middle layer and the surface layer, and is integrally joined to the back surface of the middle layer,
A back cover for shoulder bags. Claim Te backpack spine rest cover the smell for a bag according to 1, that the upper Kiura layer portion is characterized in that a sheet-like. The back cover cover for a shoulder bag according to claim 1 or 2, wherein the columnar member in the middle layer portion is formed by bending a long linear material to a desired height. . 4. A back cover for a backpack according to any one of claims 1 to 3, wherein a hole for inserting a backpack belt is provided in a part of the back cover at the time of mounting on the backpack. Means are provided at the upper end and the lower end of the cover body, respectively, and the attachment means at the upper end comprises a pair of stretchable attachment strings attached to the left and right ends of the cover body, The attachment means at the lower end comprises a series of elastic attachment strings attached at both ends to the left and right ends of the cover body.

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