CN216796832U

CN216796832U - Knapsack with expanded heat preservation

Info

Publication number: CN216796832U
Application number: CN202220611080.4U
Authority: CN
Inventors: 赖华锋
Original assignee: Xiamen Kuntai Tiansheng Luggage Co ltd
Current assignee: Xiamen Kuntai Tiansheng Luggage Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-06-24
Anticipated expiration: 2032-03-21

Abstract

The utility model relates to the technical field of backpacks, and discloses a backpack with an expandable heat preservation layer, which comprises a backpack body, wherein a plurality of groups of supporting seats are fixedly connected to the inner wall of the bottom end of the backpack body, two groups of fixing seats are fixedly connected to the top end of a bottom plate, grooves are formed in the top ends of the two groups of fixing seats, telescopic plates are slidably connected to the top ends of the two groups of grooves, transverse plates are fixedly connected to the top ends of the two groups of telescopic plates, elastic rods are fixedly connected to two sides of the top ends of the two groups of telescopic plates, spools are fixedly connected to the inner walls of two sides of the top end of the backpack body, heat preservation cloth is arranged at the bottom ends of the two groups of spools, and a heat preservation plate is fixedly connected to the inner wall of the rear side of the backpack body. According to the backpack, the supporting seat, the transverse drinking plate and the expansion plate are arranged at the bottom end of the backpack, so that articles are orderly arranged at the bottom end of the backpack, the capacity in the backpack can be changed according to needs, and the heat insulation plate and the heat insulation cloth are arranged in the backpack, so that the heat insulation effect of the backpack is better.

Description

Knapsack with expanded heat preservation

Technical Field

The utility model relates to the technical field of backpacks, in particular to a backpack with an expandable insulating layer.

Background

The backpack, indicate the bag of carrying on the back, the material draws fashion trend with the case and bag of the diversification, texture such as genuine leather, plastics material, dacron, canvas, nylon, cotton-flax, in the period of more and more putting down a list of personalities, various styles such as brief, retro, cartoon also cater to fashion personalities from different sides and raise the individual character's demand, the style of case and bag also is by traditional commercial affairs bag, schoolbag, traveling bag to extension such as pen bag, zero wallet, small perfume satchel, etc., with everybody's life and consumption level promote constantly, various backpacks become people's indispensable ornaments on one's side, everybody requires that case and bag product is not only added on the practicality and is strengthened, the decoration also has been expanded to some extent.

Chinese patent document application No.: CN201820616489.9 discloses a backpack with expandable insulation layer, which comprises a body, wherein the body comprises a front side, a back side and a ring surface side connecting the front side and the back side at the same time, the ring surface side and the back side are hermetically connected, the ring surface side and the front side are engaged and connected by a zipper, when the zipper is opened, a backpack opening is formed on the side of the body close to the front side, and the area of the backpack opening is larger than that of the 1/2 front side end surface; the utility model discloses a bag, including the sack, the sack is provided with the side direction zip fastener, the side direction zip fastener makes and forms the side direction opening on the lateral surface, the inside anchor ring that is close to of sack side is equipped with the heat preservation portion of being connected with the opening on the anchor ring side of opening one side, the heat preservation portion is formed by the sack parcel and is telescopic tubulose heat preservation portion, be equipped with the heat preservation on the inner wall of heat preservation portion to solve the defect that the knapsack function singleness does not have the heat preservation performance among the prior art. The existing backpack bottom is softer, the backpack can be stacked together when articles are put in, the articles can be found only by being turned over for many times when a certain article is needed, the capacity of the backpack is fixed, the articles with different quantities cannot be put in, and the existing backpack does not have a heat preservation effect, so that the articles in the backpack are easy to change due to the change of the external temperature.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a backpack with an expandable insulating layer.

In order to achieve the purpose, the utility model adopts the following technical scheme: a backpack with an expandable insulating layer comprises a backpack body, wherein a covering part is arranged at the ground top end of the backpack body, the front end of the covering part is provided with a first zipper, the inner wall of the bottom end of the bag body is fixedly connected with a plurality of groups of supporting seats, the top ends of the plurality of groups of supporting seats are fixedly connected with a bottom plate, the two sides of the bottom plate are fixedly connected with side plates, the two groups of side plates are fixedly connected with the two sides of the inner wall of the bag body, the top end of the bottom plate is fixedly connected with two groups of fixing seats, the top ends of the two groups of fixing seats are respectively provided with a groove, the top ends of the two groups of grooves are respectively connected with a telescopic plate in a sliding way, the top ends of the two groups of telescopic plates are respectively fixedly connected with a transverse plate, two sides of the top ends of the two groups of telescopic plates are respectively fixedly connected with an elastic rod, the inner wall fixedly connected with spool in the top both sides of package body, the bottom of two sets of spools all is provided with the heat preservation cloth, the rear side inner wall fixedly connected with heated board of package body.

As a further description of the above technical solution:

the whole body of the bag body is rectangular.

As a further description of the above technical solution:

the right side of the bag body is provided with a side bag.

As a further description of the above technical solution:

the front side of the bag body is provided with a front bag at the position deviated from the top end.

As a further description of the above technical solution:

the left side of the top end of the bottom plate is fixedly connected with a cup seat.

As a further description of the above technical solution:

the middle part of the front side of the bag body is provided with a front window, and the top end of the front window is provided with a second zipper.

As a further description of the above technical solution:

the back side of the bag body is provided with a shoulder belt.

The utility model has the following beneficial effects:

1. in the utility model, two groups of fixed seats are fixedly connected with the top end of the bottom plate, the top ends of the two groups of fixed seats are respectively provided with a groove, the top ends of the two groups of grooves are respectively connected with a telescopic plate in a sliding way, the top ends of the two groups of telescopic plates are fixedly connected with a transverse plate, two sides of the top ends of the two groups of telescopic plates are respectively fixedly connected with an elastic rod, when fewer articles need to be loaded on the back, the articles are placed on the transverse plates, because no article is arranged at the bottom of the transverse plates, the transverse plates can drive the telescopic plates to compress downwards due to the weight of articles, when the telescopic plates are compressed to the top ends of the fixed seats, the elastic rods can contract towards the grooves, so that the transverse plates are placed at the top ends of the fixed seats, the elastic rods can be clamped in the grooves due to elastic rebound to ensure the stability of the transverse plates, the articles at the bottom ends can be orderly arranged in the backpack without being piled up, and when more articles need to be loaded on the back, so that the whole volume of the backpack can be increased, the capacity of the backpack can be changed according to the needs.

2. According to the backpack, the inner walls of two sides of the top end of the backpack body are fixedly connected with the reels, the bottom ends of the two groups of reels are respectively provided with the heat-preservation cloth, the inner wall of the rear side of the backpack body is fixedly connected with the heat-preservation plate, when the backpack is used, if articles need to be stored in a heat-preservation mode, the heat-preservation cloth at the bottom ends of the two groups of reels can be put down to preserve heat in the backpack, the heat-preservation cloth can be retracted into the reels when heat preservation is not needed, the temperature in the backpack is kept constant through the heat-preservation plates, and the temperature in the backpack cannot be changed due to external factors.

Drawings

FIG. 1 is a schematic view of a backpack with an expandable insulation layer according to the present invention;

FIG. 2 is a schematic structural view of a backpack with an expandable insulation layer according to the present invention;

fig. 3 is a schematic view of a fixing seat of a backpack with an expandable insulating layer according to the present invention.

Illustration of the drawings:

1. wrapping the body; 2. a cover portion; 3. a first zipper; 4. a front bag; 5. a front window; 6. a second zipper; 7. a side pocket; 8. shoulder straps; 9. a reel; 10. heat-insulating cloth; 11. a heat-insulating board; 12. a supporting seat; 13. a base plate; 14. a side plate; 15. a cup holder; 16. a fixed seat; 17. a retractable plate; 18. a groove; 19. a transverse plate; 20. an elastic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: a backpack with an expandable heat preservation layer comprises a backpack body 1, a covering part 2 is arranged at the top end of the backpack body 1, a first zipper 3 is arranged at the front end of the covering part 2, when the backpack is used, the first zipper 3 at the top end of the backpack body 1 is pulled open to open the covering part 2 and place objects into the backpack, a plurality of groups of supporting seats 12 are fixedly connected to the inner wall of the bottom end of the backpack body 1, a bottom plate 13 is fixedly connected to the top ends of the groups of supporting seats 12, side plates 14 are fixedly connected to the two sides of the bottom plate 13, two groups of fixing seats 16 are fixedly connected to the top end of the bottom plate 13, grooves 18 are respectively arranged at the top ends of the two groups of fixing seats 16, telescopic plates 17 are slidably connected to the top ends of the two groups of telescopic plates 17, transverse plates 19 are fixedly connected to the top ends of the two groups of telescopic plates 17, elastic rods 20 are fixedly connected to the two sides of the top ends of the two groups of the telescopic plates 17, the supporting seats 12 prevent the placed objects from being stacked together due to over-softness of cloth at the bottom of the backpack, when fewer articles need to be backed, the articles are placed on the transverse plate 19, because no article exists at the bottom of the transverse plate 19, the transverse plate 19 can drive the expansion plate 17 to compress downwards due to the weight of the articles, when the expansion plate is compressed to the top end of the fixing seat 16, the elastic rod 20 contracts inwards the groove 18, the transverse plate 19 is placed at the top end of the fixing seat 16, at the moment, the elastic rod 20 can be clamped in the groove 18 due to elastic resilience to ensure the stability of the transverse plate 19, when more articles need to be backed, the articles can be placed at the bottom end of the transverse plate 19, the overall accommodation capacity of the backpack is increased, the inner walls at both sides of the top end of the backpack body 1 are fixedly connected with the scroll shafts 9, the bottom ends of the two sets of scroll shafts 9 are both provided with heat-insulating cloth 10, the inner wall at the rear side of the backpack body 1 is fixedly connected with the heat-insulating plate 11, when the articles need to be stored in a heat-insulating manner, the backpack can be placed down to carry out heat insulation, when the temperature is not needed to be preserved, the heat preservation cloth 10 can be retracted into the scroll 9, and the temperature in the backpack is kept constant by the heat preservation plate 11.

The whole of ladle body 1 is rectangular shape, the right side of ladle body 1 is provided with side bag 7, can put into paper handkerchief commonly used in the side bag 7 and be convenient for use, the inclined to one side top position of front side of ladle body 1 is provided with preceding bag 4, can put into article such as key in the preceding bag 4 and be convenient for take, top left side fixedly connected with cup 15 of bottom plate 13, article such as cup can be put into in the cup 15, stabilize the liquid that prevents in the cup and empty in the knapsack to the cup, the front side middle part of ladle body 1 is provided with preceding window 5, the top of preceding window 5 is provided with second zip fastener 6, the condition in the knapsack can be observed to preceding window 5, can pull open second zip fastener 6 simultaneously and put into article in the knapsack from 5 departments of preceding window, the rear side of ladle body 1 is provided with baldric 8.

The working principle is as follows: firstly, when the backpack is used, the first zipper 3 at the top end of the backpack body 1 is pulled open to open the covering part 2 to place articles into the backpack, the supporting seat 12 prevents the placed articles from being piled up due to the over-soft cloth at the bottom of the backpack, when the articles to be carried are few, the articles are placed on the transverse plate 19, and because no article is arranged at the bottom of the transverse plate 19, the transverse plate 19 drives the expansion plate 17 to compress downwards due to the weight of the articles, when the expansion plate is compressed to the top end of the fixing seat 16, the elastic rod 20 is contracted towards the groove 18, so that the transverse plate 19 is placed at the top end of the fixing seat 16, at the moment, the elastic rod 20 is clamped in the groove 18 due to elastic resilience to ensure the stability of the transverse plate 19, when the articles to be carried are many, the articles can be placed at the bottom end of the transverse plate 19, the overall accommodation capacity of the backpack is increased, when the backpack is used, if the articles need to be stored in a heat preservation mode, the heat preservation cloth 10 at the bottom ends of the two groups of the winding shafts 9 can be placed down to preserve heat in the backpack, when the temperature is not needed to be preserved, the heat preservation cloth 10 can be retracted into the scroll 9, and the temperature in the backpack is kept constant by the heat preservation plate 11.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a knapsack with expanded heat preservation, includes package body (1), its characterized in that: the novel bag is characterized in that a covering part (2) is arranged at the top end of the bag body (1), a first zipper (3) is arranged at the front end of the covering part (2), a plurality of groups of supporting seats (12) are fixedly connected to the inner wall of the bottom end of the bag body (1), a bottom plate (13) is fixedly connected to the top ends of the plurality of groups of supporting seats (12), side plates (14) are fixedly connected to the two sides of the inner wall of the bag body (1), two groups of fixing seats (16) are fixedly connected to the top end of the bottom plate (13), grooves (18) are formed in the top ends of the two groups of fixing seats (16), telescopic plates (17) are slidably connected to the top ends of the two groups of grooves (18), transverse plates (19) are fixedly connected to the top ends of the two groups of telescopic plates (17), and elastic rods (20) are fixedly connected to the two sides of the top ends of the two groups of telescopic plates (17), the package is characterized in that the inner walls of two sides of the top end of the package body (1) are fixedly connected with reels (9), the bottoms of the two sets of reels (9) are respectively provided with heat-insulating cloth (10), and the inner wall of the rear side of the package body (1) is fixedly connected with a heat-insulating plate (11).

2. The backpack with expandable insulation according to claim 1, wherein: the whole body of the bag body (1) is rectangular.

3. The backpack with expandable insulation according to claim 1, wherein: the right side of the bag body (1) is provided with a side bag (7).

4. The backpack with expandable insulation according to claim 1, wherein: the front side of the bag body (1) is provided with a front bag (4) at the position deviated from the top end.

5. The backpack with an expandable insulation layer according to claim 1, wherein: the left side of the top end of the bottom plate (13) is fixedly connected with a cup seat (15).

6. The backpack with expandable insulation according to claim 1, wherein: the front side middle part of the bag body (1) is provided with a front window (5), and the top end of the front window (5) is provided with a second zipper (6).

7. The backpack with expandable insulation according to claim 1, wherein: the rear side of the bag body (1) is provided with a shoulder strap (8).