CN220192424U

CN220192424U - But dilatation knapsack

Info

Publication number: CN220192424U
Application number: CN202321910951.3U
Authority: CN
Inventors: 陈武强; 李欢; 沈克林
Original assignee: Quanzhou Litai Bag Co ltd
Current assignee: Quanzhou Litai Bag Co ltd
Priority date: 2023-07-20
Filing date: 2023-07-20
Publication date: 2023-12-19
Anticipated expiration: 2033-07-20

Abstract

The utility model relates to the technical field of backpacks, and provides a backpack capable of expanding, which comprises a backpack body, wherein the side edge of the backpack body is provided with an expanding part for expanding, the side edge of the backpack body is provided with an expanding zipper for forcing the expanding part to be folded, the expanding zipper comprises a head end, a tail end and a connecting end, the connecting end is connected with the head end and the tail end, and the head end extends into the space between the tail ends; the bag body is provided with a tightening assembly which is used for increasing the wrapping property of the bag body on tools. According to the expandable backpack, the expansion part is unfolded by using the expansion zipper, so that the width of the side wall of the backpack body is increased, and the volume of the backpack body is increased; and the head end extends into the tail end, so that the capacity-expanding zipper is enclosed on the side wall of the bag body to form a circle, and the volume of the bag body is further increased.

Description

But dilatation knapsack

Technical Field

The application relates to the technical field of backpacks, in particular to a scalable backpack.

Background

With the advent of outdoor sports in large numbers, particularly outdoor sports such as off-road and mountain climbing, the use of outdoor sports backpacks has become very popular.

When field operation or survival, need carry necessary instrument equipment for the knapsack of different volumes is carried because the instrument quantity of carrying at every turn is different for need select to carry, but this also leads to people to select between the knapsack of different volumes, increases the trip puzzlement, consequently needs a knapsack that the volume can change as required.

Disclosure of Invention

In order to enable the volume of the backpack to be changed according to the requirements of a user, the application provides a dilatable backpack.

The expandable backpack provided by the application adopts the following technical scheme:

the bag body side is provided with a capacity expansion part for expanding, the bag body side is provided with a capacity expansion zipper for forcing the capacity expansion part to be folded, the capacity expansion zipper comprises a head end, a tail end and a connecting end, the connecting end is connected with the head end and the tail end, and the head end extends into the space between the tail ends; the bag body is provided with a tightening assembly which is used for increasing the wrapping property of the bag body on tools.

By adopting the technical scheme, when a user uses the backpack storage tool, if the storage tools are more, the capacity-expanding zipper is used to enable the capacity-expanding part to be spread out, so that the width of the side wall of the backpack is increased, and the volume of the backpack is increased; and the head end extends into the tail end, so that the expansion zipper is enclosed on the side wall of the bag body to form a circle, and the expansion part enclosed on the side edge of the bag body to form a circle is fully unfolded, thereby further improving the volume of the bag body.

Through setting up tightening assembly, can press from both sides the front and the back of inclusion tightly, improve the parcel performance to the instrument in the inclusion, reduce when people walk, take place to rock the possibility that bumps between the instrument.

Optionally, the tightening assembly includes a first buckle button, a first buckle button and an adjusting strap, the first buckle button and the adjusting strap are fixed on the bag body and located on two sides of the connecting end, the first buckle button is installed on the adjusting strap, and the first buckle button is matched with the first buckle button.

By adopting the technical scheme, after tools in the bag body are placed, the positions of the first plug connector buckles on the adjusting belt are adjusted, so that the maximum distance between the side walls of the bag body after the first plug connector buckles and the second plug connector buckles are matched can be changed, and the front side and the rear side of the bag body can be abutted against the two sides of the tools; the wrapping property of the bag body on tools is improved, and the condition that a user shakes between adjacent tools to be damaged in the outdoor walking process is reduced

Optionally, the bag body comprises a first bag body, a second bag body and a third bag body which are sequentially stitched, and the capacity expansion part is arranged on the first bag body; the first eye-splice female buckle is arranged at the seam of the second bag body and the first bag body.

Through adopting foretell technical scheme, through setting up first eye-splice box in the front of inclusion, further improve and tighten up the minimum interval that the subassembly can adjust the inclusion lateral wall for when the tool is thinner in the inclusion, the inclusion front and the back can both press from both sides tightly the tool, reduces the condition that the tool collision damaged.

Optionally, a water storage bag is arranged in the bag body, and the water storage bag is provided with a water drinking pipe for users to drink water; the bag body is provided with a through hole, and the water drinking pipe penetrates through the through hole and is exposed to the outside.

Through adopting foretell technical scheme, if the user's hand can't take the drinking cup and drink water, set up the water storage bag in the package, wear to locate the through-hole with the drinking tube for the user can walk the drinking water simultaneously, improves the convenience of drinking water.

Optionally, a lifting hook is arranged in the bag body and is used for hooking the water storage bag.

Through adopting foretell technical scheme, through setting up the lifting hook, can fix water storage bag position, reduce the water storage bag and remove in the inclusion, the condition that the one end of drinking water pipe keeping away from the water storage bag gets into the package.

Optionally, the bag body is provided with a lifting rope, two ends of the lifting rope are fixed on the bag body, and the lifting rope is wrapped with a rubber layer.

By adopting the technical scheme, when a user pulls the lifting rope by hand to lift the bag body on the ground, the rubber layer can reduce the possibility of the hand pulling the lifting rope to generate a tightening mark.

Optionally, a tightening belt is arranged on the back of the bag body, and a sponge cushion is arranged on the tightening belt; when the user uses the bag body, the foam cushion is abutted against the abdomen of the user.

By adopting the technical scheme, the situation that the bag body is separated from the back of the user can be reduced by arranging the tightening bag, and the stability of the bag body on the back of the user is maintained; through setting up the foam-rubber cushion, can provide the protection to user's belly, reduce the condition that the user's belly takes place to rein in the trace.

Optionally, two groups of connecting parts are arranged on the front surface of the bag body, the two groups of connecting parts are arranged at intervals along the width direction of the bag body, the connecting parts comprise a plurality of connecting sleeves, and all the connecting sleeves are arranged at intervals along the length direction of the bag body; the connecting sleeves of the two groups of connecting parts are sleeved with elastic belts together, and the two ends of each elastic belt are provided with adjusting buckles.

Through adopting foretell technical scheme, set up the instrument in the package back, through setting up the elastic webbing, can carry out the tight bundle to the inclusion front, under the cooperation with tightening up the subassembly again, can increase the parcel performance to the instrument, reduce the circumstances that the collision caused the damage between the instrument.

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

1. the capacity expansion part and the capacity expansion zipper are arranged, so that the capacity expansion part is unfolded by using the capacity expansion zipper, the width of the side wall of the bag body is increased, and the volume of the bag body is increased; the head end extends into the tail end, so that the capacity-expanding zipper is enclosed on the side wall of the bag body to form a circle, and the volume of the bag body is further increased;

2. the tightening assembly is arranged to adjust the position of the first plug connector buckle on the adjusting belt, so that the maximum distance between the side walls of the bag body after the first plug connector buckle and the second plug connector buckle are matched can be changed, and the front side and the rear side of the bag body can be abutted against the two sides of the tool; the wrapping property of the bag body on the tools is improved, and the condition that a user shakes between adjacent tools to be damaged in the outdoor walking process is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic view of the construction of the tightening assembly of the present embodiment;

FIG. 3 is a schematic structural view of the tightening strap of the present embodiment;

fig. 4 is a schematic view of the structure of the water storage bag of the present embodiment;

fig. 5 is a schematic view of the structure in the first accommodation space of the present embodiment.

Reference numerals illustrate: 1. a bag body; 11. a harness; 12. soft cushion; 13. an interface; 14. tightening the binding belt; 141. a first tightening strap; 142. a second tightening strap; 15. a sponge cushion; 16. a second plug connector button; 17. a second plug-in female buckle; 2. a first bag body; 21. a first accommodation space; 22. a first chain; 23. a capacity expansion part; 24. a capacity-expanding zipper; 241. a head end; 242. a connection end; 243. tail end; 244. a chain head; 25. an elastic mesh belt; 251. tightening the strip; 26. a hanging rope; 261. a rubber layer; 27. a lifting hook; 28. a through hole; 3. a second bag body; 31. a second chain; 4. a third bag body; 41. a third chain; 5. a connection part; 51. a connecting sleeve; 52. an elastic belt; 53. an adjusting buckle; 6. a tightening assembly; 61. a first button-inserting sub-button; 62. a first eye-splice female buckle; 63. an adjusting belt; 7. a water storage bag; 71. and a drinking water pipe.

Detailed Description

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

The embodiment of the application discloses a backpack capable of expanding.

Referring to fig. 1, a backpack capable of expanding comprises a backpack body 1, wherein the backpack body 1 comprises a first backpack body 2, a second backpack body 3 and a third backpack body 4 which are sequentially sewed; the first bag body 2 is provided with a first accommodating space 21 for storing tools, and the first bag body 2 is provided with a first chain 22 for opening and closing the first accommodating space 21; the second package 3 is provided with a second accommodation space and a second chain 31 for opening the second accommodation space; the third pack 4 is provided with a third accommodation space and with a third chain 41 for opening the third accommodation space.

The front surface of the third bag body 4 is provided with two groups of connecting parts 5, namely the connecting parts 5 are arranged on one side of the third bag body 4 far away from the first bag body 2; the two groups of connecting parts 5 are arranged at intervals along the width direction of the bag body 1, the connecting parts 5 comprise a plurality of connecting sleeves 51, and all the connecting sleeves 51 are arranged at intervals along the length direction of the front surface; the connecting sleeve 51 is made of nylon cloth material, and the connecting sleeve 51 is sewed on the front surface of the bag body 1; the connecting sleeves 51 of the two groups of connecting parts 5 are jointly penetrated with an elastic belt 52, and two ends of the elastic belt 52 are connected by using adjusting holes; by adjusting the position of the adjusting buckle 53 on the elastic band 52, the wrapping effect of the tool in the first accommodating space 21 can be achieved.

Referring to fig. 2, the side of the first bag body 2 is provided with a capacity expansion part 23 for expanding capacity, and the capacity expansion part 23 is wound around the side of the bag body 1; the side edge of the bag body 1 is provided with a capacity expansion zipper 24 for folding the capacity expansion part 23; the capacity expansion zipper 24 comprises a head end 241, a tail end 243, a connecting end 242, and a slider 244, wherein the connecting end 242 is used for connecting the head end 241 and the tail end 243, and the head end 241 extends into the tail end 243; the link head 244 is used to sequentially close the head end 241, the connection section, and the tail end 243 to force the expansion portion 23 to fold.

The bag body 1 is provided with a tightening assembly 6, the tightening assembly 6 comprises a first buckle inserting sub-buckle 61, a first buckle inserting female buckle 62 and an adjusting belt 63, the first buckle inserting female buckle 62 is sewn at the sewing positions of the first bag body 2 and the second bag body 3, the adjusting belt 63 is sewn at the sewing positions of the back surface of the first bag body 2 and the side edge of the first bag body 2, the first buckle inserting sub-buckle 61 is adjustably arranged on the adjusting belt 63, the position of the first buckle inserting sub-buckle 61 on the adjusting belt 63 is changed, after the first buckle inserting sub-buckle 61 and the second buckle inserting female buckle are matched, the wrapping effect of the front surface of the bag body 1 and the back surface of the bag body 1 on tools in the volume space can be changed, and under the matching of the connecting part 5, the situation that adjacent tools collide to cause damage is reduced.

The side of first inclusion 2 is provided with the elastic mesh bag, and the sack of elastic mesh area 25 is provided with the strip 251 that tightens up that is used for the tight sack, through setting up the elastic mesh bag, can be convenient for provide the space of placing of drinking cup when going out to through setting up the strip 251 that tightens up, can tighten the sack of elastic mesh area 25, reduce the possibility that the drinking cup takes place to break away from in the elastic mesh area 25.

The upper end of the side edge of the first bag body 2 is also provided with a lifting rope 26, and both ends of the lifting rope 26 are sewed on the side edge; the outer wall of the lifting rope 26 is wrapped with a rubber layer 261, and the lifting rope 26 is arranged, so that the bag body 1 can be conveniently hooked with a wall; by providing the rubber layer 261, the hand feeling of the user when lifting the bag body 1 can be reduced.

Referring to fig. 3, the back of the first bag body 2 is provided with two straps 11, the two straps 11 being used to carry the bag body 1 to the back of the user; both braces 11 are provided with soft cushions 12, and the soft cushions 12 are made of sponge materials; the soft cushion 12 is abutted against the shoulder of the user, so that the comfort of the user during use is improved; the two straps 11 are connected by means of a buckle, and the possibility of the straps 11 being detached from the back of the user is reduced by the arrangement of the buckle.

The back of the first bag body 2 is provided with a tightening belt 14, the tightening belt 14 comprises a first tightening belt 141 and a second tightening belt 142, the end parts of the first tightening belt 141 and the second tightening belt 142 are respectively sewed at the joint of the back of the first bag body 2 and the side edge of the first bag body 2, and the first tightening belt 141 and the second tightening belt 142 are respectively positioned at the two sides of the width of the back of the first bag body 2; the first tightening strap 141 and the second tightening strap 142 are both provided with a foam-rubber cushion 15, the first tightening strap 141 is provided with a second plug-in sub-buckle 16, the second tightening strap 142 is provided with a second plug-in female buckle 17, the foam-rubber cushion 15 is positioned between the second plug-in sub-buckle 16 and the bag body 1, and when the first plug-in sub-buckle and the second plug-in female buckle 17 are matched, the foam-rubber cushion 15 is abutted against the abdomen of a user. By providing the tightening belt 14 and the foam cushion 15, the bag body 1 can be reduced from being separated from the back of the user, the possibility of the abdomen of the user causing the tightening mark is reduced, and the comfort of people using the bag body 1 is improved.

Referring to fig. 4 and 5, a hook 27 is provided in the first receiving space 21, and a water storage bag 7 is hooked on the hook 27, the water storage bag 7 being used for storing drinking water required to be drunk by a user; the water storage bag 7 is provided with a water drinking pipe 71 for drinking the drinking water; the side of the first bag body 2 is provided with a through hole 28, and one end of the drinking pipe 71 far away from the water storage bag 7 penetrates through the through hole 28 and leaks outside.

When a user walks outdoors and cannot use both hands to remove the water cup to drink water, the drinking pipe 71 can be pulled to apply the drinking water in the water storage bag 7, so that the water can be conveniently and timely supplemented, and the convenience of drinking water is improved; and the lifting hook 27 is arranged, so that the situation that the water storage bag 7 moves in the first accommodating space 21 can be reduced.

The implementation principle of the expandable backpack in the embodiment of the application is as follows:

when the user uses the backpack storing tool, if the storing tool is more, the chain head 244 of the first chain 22 is pulled to move the chain head 244 from the tail end 243 to the head end 241, so that the expanding portions 23 surrounded by the sides of the first bag body 2 are fully expanded, the width of the sides of the first bag body 2 is increased, the volume of the first accommodating space 21 is increased, and the number of tools loaded in the first accommodating space 21 is increased. And through setting up first inclusion 2, second inclusion 3 and third inclusion 4, can increase the storage instrument quantity to carry out classified storage to the instrument, the user of being convenient for takes the article.

The foregoing is a preferred embodiment of the present application, and is not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A dilatable backpack, characterized in that: the bag comprises a bag body (1), wherein a capacity expansion part (23) for expanding capacity is arranged on the side edge of the bag body (1), a capacity expansion zipper (24) for forcing the capacity expansion part (23) to be folded is arranged on the side edge of the bag body (1), the capacity expansion zipper (24) comprises a head end (241), a tail end (243) and a connecting end (242), the connecting end (242) is connected with the head end (241) and the tail end (243), and the head end (241) extends into the space between the tail ends (243); the bag body (1) is provided with a tightening assembly (6), and the tightening assembly (6) is used for increasing the wrapping property of the bag body (1) on tools.

2. The expandable backpack of claim 1, wherein: tightening assembly (6) are including first buckle sub-knot (61), first buckle box (62) and regulation area (63), first buckle box (62) with regulation area (63) are fixed in inclusion (1) and are located link (242) both sides, first buckle sub-knot (61) install in regulation area (63), first buckle sub-knot (61) with first buckle box (62) cooperate.

3. The expandable backpack of claim 2, wherein: the bag body (1) comprises a first bag body (2), a second bag body (3) and a third bag body (4) which are sequentially sewn, and the capacity expansion part (23) is arranged on the first bag body (2); the first eye-splice female buckle (62) is arranged at the seam of the second bag body (3) and the first bag body (2).

4. The expandable backpack of claim 1, wherein: a water storage bag (7) is arranged in the bag body (1), and the water storage bag (7) is provided with a water drinking pipe (71) for drinking water by a user; the bag body (1) is provided with a through hole (28), and the drinking water pipe (71) is arranged through the through hole (28) and exposed to the outside.

5. The expandable backpack of claim 4, wherein: a lifting hook (27) is arranged in the bag body (1), and the lifting hook (27) is used for hooking the water storage bag (7).

6. The expandable backpack of claim 1, wherein: the bag body (1) is provided with a lifting rope (26), two ends of the lifting rope (26) are fixed on the bag body (1), and the lifting rope (26) is wrapped with a rubber layer (261).

7. The expandable backpack of claim 1, wherein: the back of the bag body (1) is provided with a tightening belt (14), and the tightening belt (14) is provided with a foam cushion (15); when the user uses the bag body (1), the sponge cushion (15) is abutted against the abdomen of the user.

8. The expandable backpack of claim 1, wherein: the bag comprises a bag body (1), wherein two groups of connecting parts (5) are arranged on the front surface of the bag body (1), the two groups of connecting parts (5) are arranged at intervals along the width direction of the bag body (1), the connecting parts (5) comprise a plurality of connecting sleeves (51), and all the connecting sleeves (51) are arranged at intervals along the length direction of the bag body (1); the connecting sleeves (51) of the two groups of connecting parts (5) are sleeved with elastic belts (52) together, and adjusting buckles (53) are arranged at two ends of each elastic belt (52).