CN213550274U

CN213550274U - Ventilative extensible knapsack

Info

Publication number: CN213550274U
Application number: CN202022702120.XU
Authority: CN
Inventors: 李风如
Original assignee: Quanzhou Junye Bag Co ltd
Current assignee: Quanzhou Junye Bag Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-06-29
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a breathable extensible backpack, which relates to the field of articles for daily use, and comprises a backpack outer frame, wherein a fixed plate is bonded on the back surface of the outer wall of the backpack outer frame, oxford cloth is bonded on the back surface of the outer wall of the fixed plate, bent clamping grooves are bonded on the edges of the two ends of the back surface of the outer wall of the fixed plate, bent rods are slidably embedded in the centers of the inner walls of the bent clamping grooves, the cross sections of the bent rods are circular, the breathable grids can be separated from the backpack outer frame through the fixed plate, the bent rods, wrapping rod cloth and the breathable grids, the back of a user is prevented from being tightly attached to the backpack, heat dissipation cannot be realized, the elasticity of the bent rods can be tightly attached to the breathable grids according to the back of the user, the heat dissipation of the back is realized, the expansion of the bottom of the backpack outer frame can be realized through, the backpack can be prevented from being used without a method for loading more articles.

Description

Ventilative extensible knapsack

Technical Field

The utility model relates to the field of articles for daily use, specifically a ventilative extensible knapsack.

Background

The backpack is a living article for placing articles, is a bag carried on the back, is diversified in material, draws fashion trend with cases made of genuine leather, plastic materials, terylene, canvas, nylon, cotton, hemp and the like, meets the requirement of fashion people on the personality from different sides in the period of more and more listing the personality, and is various in styles such as conciseness, vintage, cartoon and the like, and becomes an indispensable ornament at the sides of people along with the continuous improvement of the living and consumption levels of people.

At present in daily knapsack that uses, the back of knapsack adopts foam-rubber cushion and net to make up together mostly, reaches radiating effect through such method, but the foam-rubber cushion is at long-term extruded in-process, takes place compression deformation easily, causes radiating effect to descend, does not have the good knapsack back of the way and net to keep apart, and the capacity size of knapsack is generally fixed, does not have the size of way adjustment knapsack capacity, leads to the user to place the article quantity in the knapsack and has received the influence.

SUMMERY OF THE UTILITY MODEL

The utility model provides a ventilative extensible knapsack, through the fixed plate, crooked draw-in groove, crooked pole, wrap up in pole cloth and ventilative net, can realize will breathe freely net and the separation of knapsack frame, avoid user's back to hug closely on the knapsack, can't realize the heat dissipation, the elasticity of crooked pole can be hugged closely at ventilative net according to user's back, realize the back heat dissipation, through extending cloth and expanding the zip fastener, can realize the expansion to knapsack frame bottom, it holds to expand the knapsack, make the knapsack can adorn more article down.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a breathable and expandable backpack comprises a backpack outer frame, wherein a fixed plate is bonded on the back surface of the outer wall of the backpack outer frame, oxford cloth is bonded on the back surface of the outer wall of the fixed plate, bent clamping grooves are bonded on the edges of the two ends of the back surface of the outer wall of the fixed plate, bent rods are slidably embedded in the centers of the inner walls of the four bent clamping grooves, the cross sections of the bent rods are circular, wrapping rod cloth is embedded on the outer surface of each bent rod, the two ends of the outer wall of each wrapping rod cloth are sewn on one side of the outer surface of the oxford cloth, breathable grids are sewn on the sides, close to each other, of the outer surfaces of the two wrapping rod cloths, locking edge cloth is sewn on the two ends of the outer surface of each breathable grid, an expansion zipper is sewn on the center of the bottom of the outer surface of the backpack outer frame in the horizontal direction, extension cloth is sewn on the two sides of the outer surface of the expansion, adjusting belts are sewn at one end of the outer surface of each sponge shoulder belt, and one end of the outer surface of each adjusting belt is sewn at two ends of the bottom of one side of the outer wall of the backpack outer frame.

Furthermore, a sponge hand strap is sewn at the center of one side, close to the sponge shoulder straps, of the top of the outer wall of the backpack outer frame, and a main zipper is sewn at the center of the top end of the outer wall of the backpack outer frame.

Furthermore, backpack side frames are sewn at the centers of the bottoms of the two sides of the outer surface of the backpack outer frame, and an elastic belt is sewn at the top of the outer wall of each backpack side frame.

Furthermore, clamping bands are sewn at the bottom of one side of the outer surface of each of the two sponge shoulder straps, and a buckle is embedded at one end, close to each other, of each clamping band.

Furthermore, the centers of the outer surfaces of the two adjusting belts are respectively embedded with an adjusting buckle in a sliding manner, and the cross section of each adjusting buckle is rectangular.

Furthermore, a backpack front frame is sewn at the center of the bottom of the front surface of the outer wall of the backpack outer frame, and a secondary zipper is sewn at the center of the top of the outer surface of the backpack front frame.

The utility model provides a ventilative extensible knapsack. The method has the following beneficial effects:

(1) this ventilative extendible knapsack through fixed plate, crooked draw-in groove, crooked pole, wrap up in pole cloth and ventilative net, can realize will breathe freely net and the separation of knapsack frame, avoids user's back to hug closely on the knapsack, can't realize the heat dissipation, and the elasticity of crooked pole can be hugged closely at ventilative net according to user's back, realizes the heat dissipation of back.

(2) This ventilative extendible knapsack through extending cloth and extending the zip fastener, can realize the extension to knapsack frame bottom, expands the knapsack and holds, makes the knapsack can adorn more article, avoids the knapsack not have the lower more article of way dress in the use.

Drawings

Fig. 1 is a rear view of the present invention;

fig. 2 is a side sectional view of the present invention;

fig. 3 is a front view of the extended zipper of the present invention.

In the figure: 1. a backpack outer frame; 2. wrapping the rod cloth; 3. a sponge shoulder belt; 4. adjusting buckles; 5. a backpack side frame; 6. a breathable grid; 7. edge locking cloth; 8. an adjustment belt; 9. a main zipper; 10. a fixing plate; 11. oxford; 12. a curved rod; 13. bending the clamping groove; 14. extending cloth; 15. expanding the zipper; 16. a sponge hand-held strap; 17. an elastic band; 18. clamping a belt; 19. buckling; 101. a backpack front frame; 102. a secondary zipper.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a breathable expandable backpack comprises a backpack outer frame 1, a fixing plate 10 is bonded on the back surface of the outer wall of the backpack outer frame 1, oxford cloth 11 is bonded on the back surface of the outer wall of the fixing plate 10, bent clamping grooves 13 are bonded on the corners of the two ends of the back surface of the outer wall of the fixing plate 10, bent rods 12 are slidably embedded in the centers of the inner walls of the bent clamping grooves 13, the cross sections of the bent rods 12 are circular, wrapping rod cloth 2 is embedded on the outer surfaces of the bent rods 12, the two ends of the outer wall of the wrapping rod cloth 2 are sewn on one side of the outer surface of the oxford cloth 11, breathable grids 6 are sewn on the sides, close to each other, of the outer surfaces of the wrapping rod cloth 2, locking edge cloth 7 are sewn at the two ends of the outer surface of the backpack outer frame 1, an expansion zipper 15 is sewn at the center of the bottom of the outer surface of the backpack outer frame 1 in the horizontal direction, extension cloth 14 is sewn at, adjusting belts 8 are sewn at one end of the outer surface of the sponge shoulder straps 3, and one end of the outer surface of each adjusting belt 8 is sewn at two ends of the bottom of one side of the outer wall of the backpack outer frame 1.

In this embodiment: through fixed plate 10 and crooked draw-in groove 13, can realize fixed to crooked pole 12, through ventilative net 6 and crooked pole 12, can realize that the knapsack surface is kept apart with user's back, can realize radiating effect, through extending cloth 14 and expanding zip fastener 15, can realize the expansion to knapsack frame 1 bottom, the expansion knapsack holds, makes the knapsack can adorn more article, avoids the knapsack to have no way to adorn more article in the use.

Specifically, a sponge hand strap 16 is sewn at the center of one side of the top of the outer wall of the backpack outer frame 1 close to the sponge shoulder strap 3, and a main zipper 9 is sewn at the center of the top end of the outer wall of the backpack outer frame 1.

In this embodiment: through the sponge hand-strap 16, can realize carrying the effect of drawing to knapsack frame 1, through main zip fastener 9, can realize placing article in the knapsack, protected article to lose.

Specifically, backpack side frames 5 are sewn at the centers of the bottoms of the two sides of the outer surface of the backpack outer frame 1, and elastic belts 17 are sewn at the tops of the outer walls of the backpack side frames 5.

In this embodiment: through the backpack side frame 5, some articles which are frequently used, such as water cups, umbrellas and the like can be placed.

Specifically, clamping bands 18 are sewn at the bottom of one side of the outer surface of the sponge shoulder strap 3, and buckles 19 are embedded at the ends, close to each other, of the clamping bands 18.

In this embodiment: the backpack can be fixed at a proper position of the body by the buckle 19, and the backpack is prevented from sliding to other places.

Specifically, the adjusting buckles 4 are slidably embedded in the centers of the outer surfaces of the adjusting belts 8, and the cross sections of the adjusting buckles 4 are rectangular.

In this embodiment: through adjusting buckle 4, can adjust and control the length of adjusting band 8, can adjust adjusting band 8 to the length that is fit for the user.

Specifically, a backpack front frame 101 is sewn at the center of the bottom of the front surface of the outer wall of the backpack outer frame 1, and a secondary zipper 102 is sewn at the center of the top of the outer surface of the backpack front frame 101.

In this embodiment: through frame 101 and time zip fastener 102 before the knapsack, can place some little articles, can realize classifying the article, avoid all placing the article together, find out the trouble.

During the use, inlay the curved bar 12 earlier and locate the inner wall department of wrapping up in pole cloth 2, ensure that ventilative net 6 can expand, through crooked draw-in groove 13, make crooked pole 12 can support, make ventilative net 6 keep apart with the back of knapsack frame 1, avoid hugging closely together, can not reach ventilative effect, shoulder 3 through the sponge, can alleviate the weight of user's shoulder, 19 the card with the buckle is in the same place, make the knapsack can be fixed to suitable position, buckle 4 through adjusting, can regulate and control the length of adjusting band 8, draw the card and the closure through expanding zip fastener 15, can control the size of knapsack capacity, make the knapsack can adorn down more article, through knapsack side frame 5 and knapsack front bezel 101, can place article in classification.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a ventilative extensible knapsack, includes knapsack frame (1), its characterized in that: the back surface of the outer wall of the backpack outer frame (1) is bonded with a fixing plate (10), the back surface of the outer wall of the fixing plate (10) is bonded with oxford cloth (11), the corners of two ends of the back surface of the outer wall of the fixing plate (10) are bonded with bending clamping grooves (13), four bending rods (12) are slidably embedded in the centers of the inner walls of the bending clamping grooves (13), the cross sections of the bending rods (12) are circular, wrapping rod cloth (2) is embedded in the outer surface of each bending rod (12), two ends of the outer wall of each wrapping rod cloth (2) are sewn on one side of the outer surface of the oxford cloth (11), air-permeable grids (6) are sewn on one sides, close to each other, of the outer surfaces of the two wrapping rod cloths (2), edge-locking cloth (7) is sewn on two ends of the outer surface of the backpack outer frame (1), and an expansion zipper (15) is sewn on the center of the bottom of the outer surface, the backpack comprises a backpack outer frame (1), a backpack outer frame (15) and a backpack outer frame (1), wherein extending cloth (14) is sewn on two sides of the outer surface of the expanding zipper (15), sponge shoulder straps (3) are sewn at two ends of the top of the back surface of the outer wall of the backpack outer frame (1), adjusting belts (8) are sewn at one end of the outer surface of each sponge shoulder strap (3), and one ends of the outer surfaces of the two adjusting belts (8) are sewn at two ends of the bottom of one side of the outer wall of.

2. The air-permeable expandable backpack of claim 1, wherein: the backpack comprises a backpack outer frame (1), wherein a sponge hand strap (16) is sewn at the center of one side, close to a sponge shoulder strap (3), of the top of the outer wall of the backpack outer frame (1), and a main zipper (9) is sewn at the center of the top end of the outer wall of the backpack outer frame (1).

3. The air-permeable expandable backpack of claim 2, wherein: backpack side frames (5) are sewn at the centers of the bottoms of two sides of the outer surface of the backpack outer frame (1), and an elastic belt (17) is sewn at the top of the outer wall of each backpack side frame (5).

4. The air-permeable expandable backpack of claim 3, wherein: clamping bands (18) are sewn at the bottoms of one sides of the outer surfaces of the two sponge shoulder straps (3), and a buckle (19) is embedded at one end, close to each other, of each clamping band (18).

5. The air-permeable expandable backpack of claim 4, wherein: the center of the outer surface of each of the two adjusting belts (8) is embedded with an adjusting buckle (4) in a sliding manner, and the cross section of each adjusting buckle (4) is rectangular.

6. The air-permeable expandable backpack of claim 5, wherein: the backpack front frame (101) is sewn at the center of the bottom of the front face of the outer wall of the backpack outer frame (1), and the secondary zipper (102) is sewn at the center of the top of the outer surface of the backpack front frame (101).