Knapsack with changeable shape
The reversible backpack, designed with multiple layers of fabric and connecting devices, solves the problem of monotonous backpack styles, enhances practicality and fun, and attracts buyers.
Patent Information
- Application Number
- CN202423057516.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-11
AI Technical Summary
Backpacks on the market come in a variety of styles, but lack distinctive selling points, making it difficult to attract buyers.
Design a backpack that can change shape, using multiple layers of fabric and connecting devices to achieve shape changes, enhancing practicality and fun, including switching between a first shape and a second shape.
While ensuring practicality, an additional format will be added to enhance user experience and add fun, thereby attracting buyers' attention.
Smart Images

Figure CN223585414U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a backpack technical field especially a backpack of changing form. BACKGROUND
[0002] With the development of the times, the backpack style on the market is various, but often only the difference on the appearance pattern, it is difficult to have outstanding selling point to attract the buyer. SUMMARY
[0003] The utility model solves the problem of providing a backpack of changing form, can change form, simple structure and full of interesting, optimization user feeling, can attract the buyer.
[0004] To solve the above-mentioned technical problem, the technical scheme adopted by the utility model is: a backpack of changing form, including the package body, the front width of being located at the front of the package body and the shoulder strap of being located at the back of the package body, the front width includes first fabric layer, second fabric layer and third fabric layer, the first fabric layer includes first upper half and first lower half, the first upper half is connected with the package body through first zipper, the first lower half is fixedly connected with the package body, the second fabric layer includes second upper half and second lower half, the second lower half is fixedly connected with the first upper half, the third fabric layer includes third upper half and third lower half, the third upper half is fixedly connected with the second upper half, the third lower half is fixedly connected with the first lower half, the first upper half and the second lower half form the first accommodating cavity, the second upper half and the third upper half form the second accommodating cavity, the first lower half and the third lower half form the third accommodating cavity, the bottom of the first fabric layer is connected with the bottom of the package body through the second connecting device, the second connecting device includes the second ring buckle of being sewn in the top of the second fabric layer, the second adjusting belt of being sewn in the bottom of the back of the package body and the second pull buckle of being connected with the second adjusting belt, the second pull buckle includes the second connecting portion and the second buckling portion of being able to buckle the second ring buckle, two second connecting holes are arranged on the second connecting portion, the utility model principle: the first upper half is connected with the package body through the first zipper, the fourth accommodating cavity is formed between the front width and the package body at this time, the second zipper of being communicated with the first accommodating cavity is arranged on the first fabric layer, the practicability is enhanced, this is the first form of the utility model at this time, open the first zipper, fold the first fabric layer downward, the second fabric layer is connected with the top of the package body through the first connecting device, the first fabric layer is connected with the bottom of the package body through the second connecting device, the fifth accommodating cavity is formed between the third fabric layer and the package body at this time, the second form of the utility model is formed at this time, the utility model increases a form while guaranteeing the practicability, the interesting is strong and the structure is simple, the user feeling is optimized and the buyer is attracted.
[0005] As improvement, the first fabric layer is provided with a second zipper opening the first accommodating cavity, and the first, second and third accommodating cavities are communicated with each other; the second zipper is provided with symmetrically distributed first hanging belts below.
[0006] As improvement, the top of the second fabric layer is connected with the top of the bag body through a first connecting device, and the widths of the second and third upper halves gradually decrease from bottom to top; the first connecting device comprises a first loop sewn on the upper part of the bag body, a first adjusting belt sewn on the second upper half, and a first puller connected with the first adjusting belt; the first puller comprises a first connecting part and a first fastening part capable of buckling the first loop, and the first connecting part is provided with two first connecting holes.
[0007] As improvement, the first fabric layer is connected with the bag body through two groups of symmetrically distributed second connecting devices.
[0008] As improvement, the front bottom of the bag body is provided with a third loop matched with the second puller.
[0009] As improvement, the second lower half is provided with a second hanging belt.
[0010] As improvement, the back of the bag body is provided with symmetrically distributed backrest protrusions, and the backrest protrusions are columnar and longitudinally arranged.
[0011] As improvement, the top of the bag body is provided with a handle, and the handle comprises a handle belt and a leather sheath wrapped in the middle region of the handle belt.
[0012] The utility model discloses a bag body, which comprises a bag body, a first fabric layer, a second fabric layer, a third fabric layer, a first upper half, a second upper half, a second lower half, a third lower half, a first zipper, a second zipper, a third zipper, a first connecting device, a second connecting device, a first puller, a second puller, a first loop, a first adjusting belt, a first hanging belt, a second hanging belt, a backrest protrusion and a handle. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a front view of the first mode of the utility model.
[0014] Figure 2 It is a side view of the first mode of the utility model changing to the second mode.
[0015] Figure 3 It is a front view of the second mode of the utility model.
[0016] Figure 4 It is a rear view of the utility model.
[0017] Figure 5 The schematic view of the three-dimensional structure of the first buckle.
[0018] The figure mark explanation: 1, the bag body; 11, first zipper; 12, back convex; 13, handle strap; 14, leather cover; 2, first fabric layer; 21, first upper half; 22, first lower half; 23, second zipper; 24, first hanging belt; 3, second upper half; 31, second lower half; 32, second hanging belt; 4, third upper half; 5, first connecting device; 51, first ring buckle; 52, first adjusting belt; 53, first buckle; 6, second connecting device; 61, second ring buckle; 62, second adjusting belt; 63, second buckle; 631, first connecting part; 632, first connecting hole; 633, first buckling part; 64, third ring buckle. Embodiment
[0019] The utility model will be further explained in detail in connection with the drawings of the specification.
[0020] As Figure 1 , 2 , 3, a back bag with changeable shape, including bag body 1, front width arranged in the front of bag body 1 and shoulder strap arranged in the back of bag body 1, the front width includes first fabric layer 2, second fabric layer and third fabric layer;The first fabric layer 2 includes first upper half 21 and first lower half 22, the second fabric layer includes second upper half 3 and second lower half 31, and the third fabric layer includes third upper half 4 and third lower half, the first upper half 21 is connected with bag body 1 by first zipper 11, and the first lower half 22 is fixedly connected with bag body 1, the second upper half 3 is stitchedly connected with third upper half 4 and forms second accommodating cavity, the second lower half 31 is stitchedly connected with first upper half 21 and forms first accommodating cavity, and the third lower half is stitchedly connected with first lower half 22 and forms third accommodating cavity;In the state that first upper half 21 is connected with bag body 1 by first zipper 11, first fabric layer 2 is completely unfolded and covers the front of bag body 1, at this time, it is the first shape of the utility model;After opening first zipper 11, first upper half 21 loses the connection with bag body 1, but first lower half 22 still is stitchedly connected with bag body 1, so that first upper half 21 can be folded up and down, first upper half 21 is folded and overlapped with first lower half 22, first fabric layer 2 is connected with the bottom of bag body 1 by second connecting device 6, and second fabric layer is connected with the top of bag body 1 by first connecting device 5, at this time, it is the second shape of the utility model.
[0021] As Figure 1 , 2As shown, in the first form, the front panel and the bag body 1 form a fourth accommodating cavity, the front surface of the first fabric layer 2 is provided with a second zipper 23 opening the first accommodating cavity, and the first, second and third accommodating cavities are in communication with each other; the lower portion of the second zipper 23 is provided with symmetrically distributed first hanging belts 24, the first hanging belts 24 are arranged in the longitudinal direction, and the two ends of the first hanging belts 24 are sewn on the first fabric layer 2, and the middle region of the first hanging belts 24 and the first fabric layer 2 form a position for hanging accessories.
[0022] As shown in Figure 1 , 2 , 3, 5, the first zipper 11 is opened, the first upper half 21 is folded downward, the first form is changed into the second form, the second fabric layer is connected with the bag body 1 through the first connecting device 5, and the first fabric layer 2 is connected with the bag body 1 through the second connecting device 6; the first connecting device 5 comprises a first loop buckle 51 sewn on the upper portion of the bag body 1, a first adjusting belt 52 sewn on the top of the second upper half 3, and a first puller 53 connected with the first adjusting belt 52, the first puller 53 comprises a first connecting portion 631 and a first buckling portion 633 capable of buckling the first loop buckle 51, two first connecting holes 632 are arranged on the first connecting portion 631, one end of the first adjusting belt 52 is sewn on the second fabric layer, and the other end of the first adjusting belt 52 sequentially passes through the two first connecting holes 632, so that the length of the first adjusting belt 52 is adjustable; at this time, the third fabric layer and the bag body 1 form a fifth accommodating cavity, the widths of the second upper half 3 and the third upper half 4 gradually decrease from bottom to top, forming an opening communicating with the fifth accommodating cavity, and users can take out the articles in the fifth accommodating cavity from both sides, which is beautiful in design and convenient to use. The second connecting device 6 comprises a second loop buckle 61 sewn on the second fabric layer, a second adjusting belt 62 sewn on the back bottom of the bag body 1, and a second puller 63 connected with the second adjusting belt 62, the second connecting device 6 has the same structure as the first connecting device 5, the second puller 63 comprises a second connecting portion and a second buckling portion capable of buckling the second loop buckle 61, and two second connecting holes are arranged on the second connecting portion; the first fabric layer 2 is connected with the bag body 1 by two groups of symmetrically distributed second connecting devices 6. The front bottom of the bag body 1 is provided with a third loop buckle 64 matched with the second puller 63, in the first form, the second puller 63 and the second loop buckle 61 are not connected together, the second puller 63 and the third loop buckle 64 are connected, so that the second adjusting belt 62 will not be vertically hung on the bottom of the bag body 1 due to gravity, affecting the beauty. The second lower half 31 is provided with a second hanging belt 32 arranged in the transverse direction, and in the second form, the second hanging belt 32 can play the role of the first hanging belt 24 in the first form.
[0023] As shown in Figure 3 , 4As shown, the back of the bag body 1 is provided with two symmetrically distributed backrest protrusions 12, which are longitudinally arranged and cylindrical; the top of the bag body 1 is provided with a handle, which comprises a handle belt 13 and a leather sheath 14 in the middle region of the handle belt 13, optimizing the user's use experience.
[0024] The use principle of the utility model is: in the first form, the first upper half 21 is connected with the bag body 1 through the first zipper 11, at the moment, the fourth accommodating cavity is formed between the front width and the bag body 1, the first fabric layer 2 is provided with the second zipper 23 communicating with the first accommodating cavity, and the practicability is enhanced; in the second form, the second fabric layer is connected with the top of the bag body 1 through the first connecting device 5, the first fabric layer 2 is connected with the bottom of the bag body 1 through the second connecting device 6, and the third fabric layer forms the fifth accommodating cavity with the bag body 1; the utility model adds a form while ensuring the practicability, is strong in interesting and simple in structure, optimizes the user's experience and attracts the buyer.
Claims
1. A morphable backpack comprising a bag body, a front panel provided on a front face of the bag body, and shoulder straps provided on a back face of the bag body, characterized in that: The front panel comprises a first fabric layer, a second fabric layer and a third fabric layer; the first fabric layer comprises a first upper half and a first lower half, the first upper half is connected with the bag body through a first zipper, and the first lower half is fixedly connected with the bag body; the second fabric layer comprises a second upper half and a second lower half, the second lower half is fixedly connected with the first upper half; the third fabric layer comprises a third upper half and a third lower half, the third upper half is fixedly connected with the second upper half, and the third lower half is fixedly connected with the first lower half; a first accommodating cavity is formed between the first upper half and the second lower half, a second accommodating cavity is formed between the second upper half and the third upper half, and a third accommodating cavity is formed between the first lower half and the third lower half; the bottom of the first fabric layer is connected with the bottom of the bag body through a second connecting device; the second connecting device comprises a second loop fastener sewn on the top of the second fabric layer, a second adjusting belt sewn on the bottom of the back of the bag body and a second pull fastener connected with the second adjusting belt; the second pull fastener comprises a second connecting portion and a second fastening portion capable of buckling the second loop fastener, and two second connecting holes are arranged on the second connecting portion.
2. The morphable backpack of claim 1, wherein: A second zipper for opening the first accommodating cavity is arranged on the first fabric layer, and the first accommodating cavity, the second accommodating cavity and the third accommodating cavity are in communication with each other; a first hanging belt is arranged below the second zipper.
3. The morphable backpack of claim 1, wherein: The top of the second fabric layer is connected with the top of the bag body through a first connecting device, and the widths of the second upper half and the third upper half gradually decrease from bottom to top; the first connecting device comprises a first loop fastener sewn on the upper portion of the bag body, a first adjusting belt sewn on the second upper half and a first pull fastener connected with the first adjusting belt; the first pull fastener comprises a first connecting portion and a first fastening portion capable of buckling the first loop fastener, and two first connecting holes are arranged on the first connecting portion.
4. The morphable backpack of claim 1, wherein: The first fabric layer is connected with the bag body through two groups of symmetrically distributed second connecting devices.
5. The morphable backpack of claim 1, wherein: A third loop fastener matched with the second pull fastener is arranged on the bottom of the front of the bag body.
6. The morphable backpack of claim 1, wherein: A second hanging belt is arranged on the second lower half.
7. The morphable backpack of claim 1, wherein: A backrest protrusion is arranged on the back of the bag body, and the backrest protrusion is cylindrical and arranged in the longitudinal direction.
8. The morphable backpack of claim 1, wherein: A handle is arranged on the top of the bag body, and the handle comprises a handle belt and a leather sheath wrapped in the middle region of the handle belt.