CN217827079U

CN217827079U - Portable knapsack that can increase

Info

Publication number: CN217827079U
Application number: CN202221848980.7U
Authority: CN
Inventors: 黄燕萍
Original assignee: Dongguan Airui Handbag Co ltd
Current assignee: Dongguan Airui Handbag Co ltd
Priority date: 2022-07-16
Filing date: 2022-07-16
Publication date: 2022-11-18
Anticipated expiration: 2032-07-16

Abstract

The application relates to the technical field of backpacks, in particular to a portable backpack capable of being increased. The utility model provides a portable knapsack that can increment, includes the inclusion, the inclusion includes anter, back part, film and be built by contract, the inclusion still includes the lateral plate, the anter with the lateral plate is connected through first suture, the back part with the lateral plate passes through the second suture and connects, the anter with the back part passes through the third suture, wherein, first suture with the second suture forms V word structure, first suture with the second suture is connected with the zip fastener, through the change of zip fastener closure regulation lateral plate area, through adopting above-mentioned technical scheme, the capacity that makes the knapsack can be adjusted in a flexible way, and the people of being convenient for use, the practicality is high.

Description

Portable knapsack that can increase

Technical Field

The application relates to the technical field of backpacks, in particular to a portable backpack capable of being increased.

Background

The backpack is a tool convenient for people to live in daily life, and along with the improvement of the living standard, the types of the backpack are more and more, including various types of bags such as handbags, single-shoulder bags, satchels and waist bags. Through the backpacks with different functions, people can conveniently carry a plurality of things. However, the amount of things that people need to bring is different every time people go out. Sometimes, too many things happen, and the backpack cannot be put down; sometimes, the articles are too few, the backpack space is large, and hard articles in the backpack are easy to collide when the backpack is used, such as cosmetics, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

To enable the capacity of the backpack to be adjustable, the present application provides an incrementally portable backpack.

The application provides a but portable knapsack of increment adopts following technical scheme:

an increasable portable backpack comprising an enclosure comprising a front panel, a rear panel, a bottom panel and a flap, the enclosure further comprising a side panel, the front panel and the side panel being connected by a first stitch, the rear panel and the side panel being connected by a second stitch, the front panel and the rear panel being connected by a third stitch, wherein the first stitch and the second stitch form a V-shaped structure, the first stitch and the second stitch being connected by a zipper, closure of the zipper adjusting the change in area of the side panel:

but portable knapsack of increment still includes, the seal assembly is including connecting strip, elastic cord and fixed part, the connecting strip is provided with the holding chamber that supplies the elastic cord to wear through, the connecting strip connect in the back part orientation the one side of anter, the fixed part with the anter is kept away from the one side of back part is connected, just the fixed part with the anter forms fixed chamber, the lateral plate is provided with a plurality of through-hole, the elastic cord is worn through the holding chamber with the through-hole, just the front end of elastic cord is worn through fixed chamber, just the be built by contract with the connection can be dismantled to the fixed part.

Through adopting above-mentioned technical scheme, make the capacity of knapsack can adjust in a flexible way, the people of being convenient for use, the practicality is high, uses through sealing the subassembly again mutually supporting with the be built by contract simultaneously, the knapsack of being convenient for seals. Add the lateral plate between anter and back part, make anter and back part pass through the third suture and be connected, the anter passes through first suture with the lateral plate and is connected, and the back part passes through the second suture with the lateral plate and is connected, and first suture forms V word structure with the second suture to first suture is connected with the second suture and is had the zip fastener. When the volume of the backpack needs to be reduced, the zipper is closed, so that the side pieces are folded, and the volume of the backpack is reduced; when the volume of the backpack needs to be enlarged, the zipper is only required to be opened, the side pieces are extended, the volume of the backpack is increased, and the volume of the backpack can be adjusted by simple operation.

The conventional backpack closure is usually closed radially by a zipper or a drawstring, and the closure in this way reduces the volume of the backpack, is inconvenient for the backpack to use, and has no fixing effect on the contents of the backpack when the backpack is filled with the contents. This application is mutually supported through connecting strip, elastic cord, fixed part and be built by contract for when the knapsack seals, can not reduce the volume. When filling with article in the knapsack, the elastic cord is worn through holding chamber, first through-hole and the second through-hole of connecting strip, and article in the knapsack are fixed to the elastic cord, and the front end of elastic cord is worn through fixed chamber for article can place steadily, covers the be built by contract simultaneously, makes be built by contract and fixed part be connected, realizes being sealed by the knapsack.

Optionally, the fixed part includes that the stationary blade and first magnetism inhale the piece, the stationary blade with the anter is kept away from the one side of back part encloses and establishes and forms fixed chamber, first magnetism inhale the piece install in the stationary blade, the be built by contract interval be provided with a plurality of with the piece is inhaled to first magnetism the second of being connected inhale the piece.

Through the technical scheme, the bag cover and the sealing assembly are detachably connected, so that the sealing operation of the backpack is simple. When the backpack is full of articles, if only one second magnetic attraction piece is arranged at a fixed position, the seal can be tightly closed, the articles in the backpack can be easily and tightly extruded, and even the second magnetic attraction piece can not be buckled with the first magnetic attraction piece. To this, this application is provided with a plurality of second magnetism at the be built by contract interval and inhales the piece. When the volume of knapsack increases, the piece is inhaled with the second magnetism of different positions and first magnetism as required to the strip, convenient to use.

Optionally, the ratio of the length of the connecting strip to the width of the rear panel is 1: (2 to 3).

When the common drawstring is used for sealing, the opening of the backpack can form a ring shape, and by adopting the technical scheme, when the elastic band is used for sealing, the opening of the backpack can not form a ring shape, and the drawstring can be contacted with articles in the backpack to play a role in limiting the articles. Optionally, the elastic band is provided with a positioning clip.

By adopting the technical scheme, the elastic band is adjusted and fixed. When the volume of the backpack is adjusted to be proper according to the requirement, the tightness of the elastic band is adjusted to be proper, and the elastic band is fixed by the positioning clamp, so that the elastic band fixes the articles in the backpack, and meanwhile, the elastic band is prevented from loosening in the using process of the backpack.

Optionally, a supporting bar is embedded in the connecting bar.

The connecting strip can restrict the elastic cord, but, after repetitious usage, the hardness of connecting strip can descend, leads to the connecting strip to weaken to the restriction of elastic cord, forms the annular when the knapsack seals easily and seals, leads to the knapsack to produce the extrusion to the thing in the package. To this, this application inlays in the inside of connecting strip and establishes the support bar for the connecting strip still has good hardness after repetitious usage, has the restriction effect to the elasticity.

Optionally, the side panels have a thickness that is thinner than the thickness of the front and back panels.

By adopting the technical scheme, the side piece is easy to shrink or expand. The front and back sheets are used as main parts of the bag body and have supporting function to the bag body. Therefore, the thickness of the front piece and the rear piece can be relatively rear and are not easy to bend, and the side pieces in the application are used for adjusting the capacity of the backpack, so that the thickness of the backpack cannot be the same as that of the front piece and the rear piece, and the backpack is thinner than that of the front piece and the rear piece and is easier to contract or expand.

Optionally, a supporting strip is embedded in the connecting strip.

Optionally, the side panels are folded side panels.

In order to make the portable backpack capable of being increased in volume, the folding side pieces are adopted in the portable backpack, and the area of the unfolded folding side pieces is larger, so that the backpack of the portable backpack capable of being increased in size is larger.

Preferably, the strap assembly comprises at least one strap and at least two connecting buckles, and two ends of the strap are connected with buckles for buckling the connecting buckles.

Through adopting above-mentioned technical scheme, can be according to actual needs, will change into single shoulder knapsack or both shoulders knapsack, give the knapsack more functions, the people of the different demands of being convenient for use.

In summary, the present application at least includes the following beneficial technical effects:

1. according to the portable backpack, the front piece is connected with the side piece through the first suture, the rear piece is connected with the side piece through the second suture, and the front piece is connected with the rear piece through the third suture, wherein the first suture and the second suture form a V-shaped structure, and the first suture and the second suture are connected with the zipper;

2. this application still is provided with sealing assembly, sealing assembly contains the connecting strip, elastic cord and fixed part, through connecting the connecting strip in the one side that the back part is close to the anter, and the concave holding chamber that supplies the elastic cord to wear through that is equipped with of connecting strip, first through-hole has been seted up to the lateral piece, the second through-hole has been seted up to the anter, the one end of elastic cord is worn through the second through-hole in proper order, first through-hole, the holding chamber, realize the elasticity at regulation knapsack top through the elastic cord, fix article in the knapsack simultaneously, make article can place steadily.

Drawings

Fig. 1 is a perspective view of an incremental portable backpack of the present embodiment.

Fig. 2 is a schematic view of the structure of the folded side panel.

Fig. 3 is a schematic perspective view of another angle of the portable backpack for incremental carrying of the present embodiment.

Fig. 4 is a schematic cross-sectional structure of the connecting strip.

Figure 5 is a schematic diagram of the harness assembly.

Description of reference numerals: 1. a front panel; 2. a rear panel; 3. a side panel; 4. a negative film; 5. covering; 51. a second magnetic attraction member; 6. a first suture; 7. a second suture; 8. a third suture; 9. a zipper; 10. a connecting strip; 101. a supporting strip; 11. elastic bands; 12. a fixed part; 121. a fixing sheet; 122. a first magnetic attraction member; 13. positioning the card; 14. a harness; 15. a first connecting buckle; 16. a second connecting buckle; 17. a third connecting buckle; 18. a first lock catch; 19. and a second lock catch.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a portable knapsack that can increase. Referring to fig. 1, the portable backpack capable of being added comprises a bag body, a sealing component and a carrying belt 14 component, wherein the bag body is formed by splicing and enclosing a front sheet 1, a rear sheet 2, two side sheets 3, a bottom sheet 4 and a bag cover 5. The bag cover 5 is connected with the back sheet 2, the bottom sheet 4 is respectively connected with the front sheet 1 and the back sheet 2, and the side sheet 3 is thinner than the front sheet 1 and the back sheet 2. Two lateral plates 3 symmetry sets up, and every lateral plate 3 is connected with anter 1 and back part 2 respectively, anter 1 is connected through first suture 6 with lateral plate 3, back part 2 is connected through second suture 7 with lateral plate 3, anter 1 is connected through third suture 8 with back part 2, and first suture 6 forms the V word structure with second suture 7, third suture 8 and first suture 6, second suture 7 intersects in a bit, first suture 6 is connected with zip fastener 9 with second suture 7, one side chain of zip fastener 9 is connected in first suture 6, the opposite side chain of zip fastener 9 is connected in second suture 7, through unzipping zip fastener 9 and closed zip fastener 9, realize the tightening up and the extension of lateral plate 3, thereby adjust the capacity mesh of knapsack. Referring to fig. 2, preferably, in other embodiments, the side panels 3 may be folded.

Referring to fig. 3, the closure assembly includes a connecting strip 10, an elastic band 11, and a fixing portion 12. Connecting strip 10 horizontal connection is close to the one side of anter 1 in back part 2, and the concave holding chamber that supplies elastic cord 11 to wear through that is equipped with of connecting strip 10, and the first through-hole of a plurality of has been seted up to lateral plate 3, and two second through-holes have been seted up to anter 1, and the one end of elastic cord 11 is worn through second through-hole, first through-hole, holding chamber, first through-hole, second through-hole in proper order, realizes the elasticity at regulation knapsack top through elastic cord 11. The front end of the elastic band 11 is connected with a positioning clamp 13, and the positioning clamp 13 is provided with two positioning holes for the two ends of the elastic band 11 to pass through. Referring to fig. 4, a plurality of supporting bars 101 are embedded in the connecting bar 10, and the length direction of the supporting bars 101 is the same as the length direction of the connecting bar 10.

In order to better fix the articles in the bag, the ratio of the length of the connecting strip 10 to the width of the back panel 2 in the present application is 1.

Continuing to refer to fig. 3, the fixing portion 12 includes a fixing plate 121 and a first magnetic attraction piece 122, a fixing cavity is defined by the fixing plate 121 and one side of the front plate 1 far away from the back plate 2, the two ends of the elastic band 11 pass through the fixing cavity, one side of the fixing plate 121 far away from the front plate 1 is connected with the first magnetic attraction piece 122, one side of the cover 5 contacting with the front plate 1 is connected with a plurality of second magnetic attraction pieces 51, and the second magnetic attraction pieces 51 are magnetically attracted with the first magnetic attraction piece 122 to be connected, so that the fixing plate 121 is fixedly connected with the cover 5.

Referring to FIG. 5, the increasable portable backpack further includes a harness assembly comprising a harness 14, a connector clasp. The two straps 14 in this embodiment are provided, wherein two ends of the straps 14 are respectively connected with a first lock buckle 18 and a second lock buckle 19, a first connecting buckle 15 is connected at the joint of the rear piece 2 and the bag cover 5, two second connecting buckles 16 are symmetrically connected at the position of the rear piece 2 close to the bag bottom, the first lock buckles 18 of the two straps 14 are connected to the first connecting buckle 15 together, the second lock buckle 19 of one strap 14 is connected to one of the second connecting buckles 16, and the second lock buckle 19 of the other strap is connected to the other second connecting buckle 16, so as to form the backpack. Wherein, the tops of the two side pieces 3 are connected with third connecting buckles 17, the first lock catch at one end of the shoulder strap 14 is movably connected with one of the third connecting buckles 17, and the second lock catch 19 at the other end of the shoulder strap 14 is movably connected with the other third connecting buckle 17 to form the single-shoulder backpack.

The implementation principle of the portable backpack capable of being increased in the embodiment of the application is as follows: according to the quantity of the articles to be contained, the zipper 9 is pulled to adjust the capacity of the portable backpack capable of being increased, the articles are contained in the portable backpack capable of being increased, the elastic band 11 is pulled to enable the elastic band 11 to fix the articles in the portable backpack capable of being increased, the elastic band 11 is fixed by using the positioning card 13, and the bag cover 5 is buckled on the fixing sheet 121; if the user wants to carry the backpack on both shoulders, two straps 14 are selected, the second lock catch 19 of one strap 14 is connected to one second connecting buckle 16, and the second lock catch 19 of the other strap is connected to the other second connecting buckle 16, so that the backpack is formed; if one wants to carry one shoulder, one strap 14 is selected, the first lock catch at one end of the strap 14 is movably connected with one of the third connecting buckles 17, and the second lock catch 19 at the other end of the strap 14 is movably connected with the other third connecting buckle 17, so that the one-shoulder backpack is formed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An increasable portable backpack comprising a body comprising a front panel (1), a rear panel (2), a bottom panel (4) and a flap (5), characterized in that: the bag body further comprises a side panel (3), the front panel (1) and the side panel (3) are connected through a first stitching (6), the back panel (2) and the side panel (3) are connected through a second stitching (7), the front panel (1) and the back panel (2) are connected through a third stitching (8), wherein the first stitching (6) and the second stitching (7) form a V-shaped structure, a zipper (9) is connected with the first stitching (6) and the second stitching (7), and the area of the side panel (3) is adjusted through closing of the zipper (9):

but portable knapsack of increment still includes the seal assembly, the seal assembly is including connecting strip (10), elastic cord (11) and fixed part (12), connecting strip (10) are provided with the holding chamber that supplies elastic cord (11) to wear through, connecting strip (10) connect in back part (2) orientation one side in anter (1), fixed part (12) with anter (1) is kept away from the one side of back part (2) is connected, just fixed part (12) with anter (1) forms fixed chamber, lateral plate (3) are provided with a plurality of through-hole, elastic cord (11) are worn through the holding chamber with the through-hole, just the front end of elastic cord (11) is worn through fixed chamber, just flap (5) with fixed part (12) can dismantle the connection.

2. An increasable carrying backpack as set forth in claim 1, wherein: fixed part (12) include stationary blade (121) and first magnetism inhale piece (122), stationary blade (121) with anter (1) is kept away from the one side of back part (2) encloses and establishes and forms fixed chamber, first magnetism inhale piece (122) install in stationary blade (121), be provided with in be built by contract (5) with second magnetism inhale piece (51) that first magnetism inhale the piece (122) and connect.

3. An increasable carrying backpack as set forth in claim 1, wherein: the ratio of the length of the connecting strip (10) to the width of the back sheet (2) is 1: (2-3).

4. An increasable carrying backpack as set forth in claim 1, wherein: the elastic band (11) is provided with a positioning card (13).

5. An increasable carrying backpack as set forth in claim 3 in which: and a supporting strip (101) is embedded in the connecting strip (10).

6. An increasable carrying backpack as set forth in claim 1, wherein: the side panels (3) have a thickness that is thinner than the thickness of the front panel (1) and the rear panel (2).

7. An increasable carrying backpack as set forth in claim 1, wherein: the side piece (3) is a folding side piece.

8. An increasable carrying backpack as set forth in claim 1, wherein: the increasable portable backpack further comprises a shoulder strap assembly, wherein the shoulder strap assembly comprises at least one shoulder strap (14) and at least two connecting buckles, and two ends of the shoulder strap (14) are connected with lock catches for buckling the connecting buckles.