Foldable backpack
By introducing compression springs and mother-child snap fastener mechanisms into the backpack, combined with canvas material and shading design, the problem of soft collapse of the canvas backpack during no load is solved, achieving convenient storage and shape maintenance of the backpack, and improving the use effect.
Patent Information
- Application Number
- CN202420811012.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-18
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-04-18
AI Technical Summary
When there are no more items in the existing canvas bucket bag, the bag body will collapse and not form, and the use effect is not good.
A foldable backpack is designed, using a structure connected to the round bottom cover and the dome cover. Through the cooperation of the compression spring and the mother-child snap button, the backpack is compressed and unfolded to ensure that the bag body remains in shape; a cover is provided on the backpack mouth. and canvas material lining to enhance the fixity of the item.
When the mother-child snaps are closed, the height and volume of the backpack are reduced, making it easier to store; when opened, the compression spring is reset to maintain the shape of the bag body, avoid soft collapse, and have good use and complete functions.
Smart Images
Figure CN222284918U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a backpack, more specifically, to a foldable backpack. Background Art
[0002] Canvas bucket bags are also a common type of backpack. They are foldable because they are soft, but if there are not many items in the bag, the bag will become soft and unshaped, resulting in poor use. Therefore, the utility model proposes a foldable backpack. Utility Model Content
[0003] The utility model aims to overcome the above-mentioned deficiencies in the prior art and to provide a foldable backpack which is foldable and easy to use.
[0004] To solve the above technical problems, the purpose of the utility model is achieved as follows: the utility model involves a foldable backpack, comprising a round bottom cover and a round top cover arranged above the round bottom cover, the round top cover is provided with a backpack opening, a shoulder strap is connected between the round bottom cover and the round top cover, a compression spring close to the edge and connected to the round bottom cover at one end and connected to the round top cover at the other end is provided between the round bottom cover and the round top cover, a fabric outer lining is provided on the outer side of the compression spring, a fabric inner lining is provided on the inner side, one end of the fabric lining and the fabric outer lining are both connected to the round bottom cover, and the other end is both connected to the round top cover, a plurality of sutures arranged at intervals along the axial direction are connected between the fabric outer lining and the fabric lining, and a storage cavity communicated with the outside through the backpack opening is formed between the fabric lining, the round bottom cover and the round top cover.
[0005] The utility model is further configured as follows: the outer edge of the round bottom cover is provided with a lower leather flange, the outer edge of the round top cover is provided with an upper leather flange, a sub-snap button is arranged on the upper leather flange, and a female snap button matching the sub-snap button is provided on the lower leather flange.
[0006] The utility model is further configured as follows: the number of the sub-snap buttons is four, and the interval angles between two adjacent sub-snap buttons are equal.
[0007] The utility model is further configured as follows: the backpack opening is covered with a cover sheet connected to the dome cover, the cover sheet is made of soft rubber material, and a cross-shaped slit is opened on the cover sheet.
[0008] The utility model is further configured that: the mask is made of rubber material.
[0009] The utility model is further configured as follows: the fabric outer lining is a canvas material.
[0010] In summary, the utility model has the following beneficial effects: the foldable backpack involved in the utility model, when the snap fasteners are closed, the dome cover and the dome bottom cover are brought close to each other, thereby compressing the compression spring, resulting in a reduced height and volume of the backpack for convenient storage; and when the snap fasteners are opened, the compression spring will be reset, resulting in the backpack being propped open, even if there are few objects in the bag, the backpack will not collapse and become shapeless, the use effect is good, the overall function is complete, and the practicability is strong. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0012] Figure 2 It is a schematic diagram of the internal structure of the utility model;
[0013] Figure 3 It is a partial structural schematic diagram of the utility model. DETAILED DESCRIPTION
[0014] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments, but it should be understood that these descriptions are only for further illustrating the features and advantages of the utility model, rather than limiting the patent requirements of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.
[0015] The utility model is further described below in conjunction with the accompanying drawings and preferred embodiments.
[0016] Example 1
[0017] See also Figures 1 to 3 As shown, a foldable backpack involved in this embodiment includes a round bottom cover 1 and a round top cover 2 arranged above the round bottom cover, a backpack opening 3 is opened on the round top cover 2, a shoulder strap 4 is connected between the round bottom cover 1 and the round top cover 2, a compression spring 5 close to the edge and connected to the round bottom cover at one end and the round top cover at the other end is arranged between the round bottom cover 1 and the round top cover 2, a fabric outer lining 6 is arranged on the outer side of the compression spring 5, and a fabric lining 7 is arranged on the inner side, one end of the fabric lining 7 and the fabric outer lining 6 are connected to the round bottom cover 1, and the other end is connected to the round top cover 2, a plurality of stitches 8 arranged at intervals along the axial direction are connected between the fabric outer lining 6 and the fabric lining 7, and a storage cavity 9 communicated with the outside through the backpack opening 3 is formed between the fabric lining 7, the round bottom cover 1 and the round top cover 2.
[0018] Furthermore, the outer edge of the round bottom cover 1 is provided with a lower leather flange 10, the outer edge of the round top cover 2 is provided with an upper leather flange 11, the upper leather flange 11 is provided with a sub-snap button 12, and the lower leather flange 10 is provided with a female snap button 13 matching the sub-snap button.
[0019] Furthermore, the number of the sub-snap buttons 12 is four, and the interval angles between two adjacent sub-snap buttons 12 are equal.
[0020] Furthermore, the mask 14 is made of rubber material.
[0021] Furthermore, the fabric outer lining 6 is made of canvas material.
[0022] In this embodiment, the backpack has two states, one is an unfolded state and the other is a folded state. In the unfolded state, the sub-snap 12 is not buckled on the main snap 13, the compression spring 5 is not compressed, the round bottom cover 1 and the round top cover 2 remain separated, and at this time, the backpack is erected and stretched under the support of the compression spring 5. In the folded state, the sub-snap 12 is buckled on the main snap 13, the compression spring 5 is compressed, the round bottom cover 1 is close to the round top cover 2, and at this time, the backpack is compressed and folded.
[0023] Example 2
[0024] See also Figures 1 to 3 As shown, the foldable backpack involved in this embodiment is further configured on the basis of Example 1, wherein the backpack opening 3 is covered with a cover sheet 14 connected to the dome cover, the cover sheet 14 is made of soft rubber material, and a "cross"-shaped slit 15 is opened on the cover sheet 14.
[0025] In this embodiment, the cover sheet 14 is provided to cover the opening 3 of the backpack, and the cross-shaped slit 15 is provided to prevent objects from falling out of the bag easily.
[0026] The foldable backpack involved in the utility model, when the snap buttons are closed, the dome cover and the dome bottom cover are brought close to each other, thereby compressing the compression spring, so that the height and volume of the backpack are reduced, and the backpack is convenient to store; and when the snap buttons are opened, the compression spring will be reset, so that the backpack is opened, and even if there are few objects in the bag, the backpack will not collapse and become shapeless, and the use effect is good, the overall function is perfect, and the practicability is strong.
[0027] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationship are based on the orientation or positional relationship actually shown, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in combination with the embodiments and according to specific circumstances.
[0028] Unless otherwise clearly specified and limited, in the present invention, the terms "disposed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0029] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.
Claims
1. A foldable backpack, comprising a round bottom cover and a round top cover arranged above the round bottom cover, the round top cover is provided with a backpack opening, a shoulder strap is connected between the round bottom cover and the round top cover, characterized in that: A compression spring is provided between the round bottom cover and the round top cover, which is close to the edge and has one end connected to the round bottom cover and the other end connected to the round top cover. A fabric outer lining is provided on the outer side of the compression spring and a fabric inner lining is provided on the inner side. One end of the fabric inner lining and the fabric outer lining are both connected to the round bottom cover and the other end are both connected to the round top cover. A plurality of sutures arranged at intervals along the axial direction are connected between the fabric outer lining and the fabric inner lining. A storage cavity communicated with the outside through the backpack opening is formed between the fabric inner lining, the round bottom cover and the round top cover.
2. The foldable backpack according to claim 1, characterized in that: The outer edge of the round bottom cover is provided with a lower leather flange, the outer edge of the round top cover is provided with an upper leather flange, a sub-snap button is arranged on the upper leather flange, and a female snap button matching the sub-snap button is provided on the lower leather flange.
3. The foldable backpack according to claim 2, characterized in that: The number of the sub-snap buttons is four, and the interval angles between two adjacent sub-snap buttons are equal.
4. The foldable backpack according to any one of claims 1 to 3, characterized in that: The backpack opening is covered with a cover sheet connected to the dome cover, the cover sheet is made of soft rubber material, and a cross-shaped slit is opened on the cover sheet.
5. The foldable backpack according to claim 4, characterized in that: The mask is made of rubber material.
6. The foldable backpack according to claim 1, characterized in that: The fabric outer lining is a canvas material.