CN209436554U - A kind of foldable knapsack - Google Patents

Abstract

The utility model discloses a kind of foldable knapsacks, including main backpack body, the main backpack body side is equipped with secondary backpack body, described pair backpack body one end and main backpack body are rotatablely connected, and secondary backpack body passes through wrinkle pieces of cloth and main backpack body integral sealing, the wrinkle fabric on piece is fixedly installed with the first zipper, the main backpack body is equipped with the position-limit mechanism limited to secondary backpack body, the pair backpack body is fixedly connected with nylon short strip far from one end of main backpack body, the nylon short strip is fixedly connected with nylon buckle far from one end of secondary backpack body, and the nylon buckle other end is fixedly connected with main backpack body, the pair backpack body is fixedly installed with the second zipper far from one end of main backpack body.The utility model is structurally reasonable, can integrally be folded, facilitate and carried, while can expand amount of storage by expansion.

Description

A kind of foldable knapsack

Technical field

The utility model relates to knapsack technical field more particularly to a kind of foldable knapsacks.

Background technique

Now, knapsack is all indispensable daily necessity of vast majority of people, however some big knapsacks or elongated knapsack exist Some inconvenience are had when use, such as: elongated knapsack is when taking, mostly in portable mode, when carrying on the back elongated knapsack, due to Knapsack is too long, therefore when carrying on the back elongated knapsack, so that people are inconvenient when walking.

Existing folding knapsack is usually that ontology is folded, not convenient also not beautiful enough enough, while folding Shi Bufang Just it carries out taking internal article.

For this purpose, it is proposed that a kind of foldable knapsack solves the above problems.

Utility model content

Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of foldable back proposed Packet.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of foldable knapsack, including main backpack body, the main backpack body side are equipped with secondary backpack body, described pair backpack body one end and master Backpack body rotation connection, and secondary backpack body is by wrinkle pieces of cloth and main backpack body integral sealing, the wrinkle fabric on piece are fixedly installed with the One zipper, the main backpack body are equipped with the position-limit mechanism limited to secondary backpack body, the described one end of pair backpack body far from main backpack body It is fixedly connected with nylon short strip, the nylon short strip is fixedly connected with nylon buckle, and nylon buckle far from one end of secondary backpack body The other end is fixedly connected with main backpack body, and the pair backpack body is fixedly installed with the second zipper far from one end of main backpack body.

Preferably, the position-limit mechanism includes the fixed strip for being symmetricly set on secondary backpack body two sides, and two fixed strips are equal Be fixedly connected with secondary backpack body, be symmetrically arranged with L-type limited block at left and right sides of the main backpack body, two L-type limited blocks respectively with Two fixed strip positions are corresponding, and two L-type limited blocks are fixedly connected with main backpack body, and the L-type limited block is equipped with logical Hole, is equipped with kelly in the through-hole, the fixed strip be equipped with the matched card hole of kelly, the kelly far from main backpack body one End extends to outside through-hole and is fixedly connected with pulling block, and spring, the spring one end and the fixed company of pulling block are arranged on the kelly It connects, and the spring other end is fixedly connected with L-type limited block.

Preferably, the harness on the main backpack body is extension type.

Preferably, the main backpack body and fixation in secondary backpack body are sewed with reinforcing strip.

Preferably, sponge strip there are two being fixedly connected on end face of the main backpack body far from secondary backpack body.

Preferably, the main backpack body, secondary backpack body and wrinkle pieces of cloth are all made of canvas material, and main backpack body, secondary backpack body and folding Wrinkle cloth on piece is coated with water-repellent paint.

Compared with prior art, the utility model has the following beneficial effects:

1, it by the way that main backpack body and secondary backpack body, the two rotation connection is arranged, while being sealed by wrinkle pieces of cloth, thus whole Body may be rotated folding, have multiple functions, more practical, adapt to various demands.

2, simultaneously as wrinkle fabric on piece is fixedly installed with the first zipper, the second zipper is fixedly installed on secondary backpack body, if Meter is reasonable, to can easily carry out taking interior items when folding and unfolding.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of foldable knapsack foldable structure schematic diagram；

Fig. 2 be the utility model proposes a kind of foldable knapsack deployed configuration schematic diagram；

Fig. 3 be the utility model proposes a kind of foldable knapsack in position-limit mechanism structural schematic diagram.

In figure: 1 main backpack body, 2 secondary backpack bodies, 3 wrinkle pieces of cloth, 4 first zippers, 5 position-limit mechanisms, 6 nylon short strip, 7 nylon tapes Button, 8 second zippers, 9 fixed strips, 10 L-type limited blocks, 11 kellies, 12 pulling blocks, 13 springs, 14 reinforcing strips, 15 sponge strips.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Referring to Fig.1-3, a kind of foldable knapsack, including main backpack body 1, the harness on main backpack body 1 are extension type, are had suitable Ying Xing, main 1 side of backpack body are equipped with secondary backpack body 2, and fixation is sewed with reinforcing strip 14 in main backpack body 1 and secondary backpack body 2, guarantees main backpack body 1 With the robustness of secondary backpack body 2, main backpack body 1 is fixedly connected there are two sponge strip 15 on the end face far from secondary backpack body 2, improves back and wear body It tests, secondary 2 one end of backpack body and main backpack body 1 are rotatablely connected, and secondary backpack body 2 is formed by wrinkle pieces of cloth 3 and main 1 integral sealing of backpack body Whole, main backpack body 1, secondary backpack body 2 and wrinkle pieces of cloth 3 are all made of canvas material, and on main backpack body 1, secondary backpack body 2 and wrinkle pieces of cloth 3 It is coated with water-repellent paint, canvas material is cheaply durable, and water-repellent paint makes with waterproofness.

It is fixedly installed with the first zipper 4 on wrinkle pieces of cloth 3, when folding can take article, main backpack body by the first zipper 4 1 is equipped with the position-limit mechanism 5 limited to secondary backpack body 2, and position-limit mechanism 5 includes the fixation for being symmetricly set on secondary 2 two sides of backpack body Item 9, two fixed strips 9 are fixedly connected with secondary backpack body 2, and L-type limited block 10, two L-types are symmetrically arranged at left and right sides of main backpack body 1 Limited block 10 is corresponding with two 9 positions of fixed strip respectively, and two L-type limited blocks 10 are fixedly connected with main backpack body 1, L-type limit Block 10 can limit 9 position of fixed strip and certain freedom degree upon deployment, and L-type limited block 10 is equipped with through-hole, is equipped in through-hole Kelly 11, fixed strip 9, which is equipped with, can limit 9 position of fixed strip with the matched card hole of kelly 11, kelly 11 and card hole cooperation, from And whole knapsack expansion is fixed, kelly 11 extends to outside through-hole far from one end of main backpack body 1 and is fixedly connected with pulling block 12, It can be convenient by pulling block 12 and pull kelly 11, be arranged with spring 13 on kelly 11,13 one end of spring is fixedly connected with pulling block 12, And 13 other end of spring is fixedly connected with L-type limited block 10, spring 13 provides elastic force, does not guarantee in the case where by external force to fixation The position-limiting action of item 9.

Secondary backpack body 2 is fixedly connected with nylon short strip 6 far from one end of main backpack body 1, nylon short strip 6 far from secondary backpack body 2 one End is fixedly connected with nylon buckle 7, and 7 other end of nylon buckle is fixedly connected with main backpack body 1, the fixed joint backpack body 2 when folding Position, secondary backpack body 2 are fixedly installed with the second zipper 8 far from one end of main backpack body 1, and when expansion can pull open the second zipper 8 and take Article.

In the utility model, whole knapsack when in use, fixed by the structure of nylon short strip 6 and nylon buckle 7 by secondary backpack body 2 On main backpack body 1, it can be pulled open by the first zipper 4 on wrinkle pieces of cloth 3, carry out the pick-and-place of article, when being unfolded, Nylon buckle 7, revolute pair backpack body 2 are unlocked, so that two fixed strips 9 on secondary backpack body 2 are placed in the limit of two L-types on main backpack body 1 In the block 10 of position, pulling block 12 is then pulled, so that kelly 11 enters in the card hole on fixed strip 9, because of the position-limiting action of spring 13, So that 9 position of fixed strip, completes the expansion of whole knapsack.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of foldable knapsack, including main backpack body (1), which is characterized in that main backpack body (1) side is equipped with secondary backpack body (2), Described pair backpack body (2) one end and main backpack body (1) are rotatablely connected, and secondary backpack body (2) is whole by wrinkle pieces of cloth (3) and main backpack body (1) Body seals, and is fixedly installed with the first zipper (4) on the wrinkle pieces of cloth (3), and the main backpack body (1) is equipped with to secondary backpack body (2) The position-limit mechanism (5) limited, the pair backpack body (2) are fixedly connected with nylon short strip (6) far from the one end of main backpack body (1), The nylon short strip (6) is fixedly connected with nylon buckle (7) far from one end of secondary backpack body (2), and nylon buckle (7) other end with Main backpack body (1) is fixedly connected, and the pair backpack body (2) is fixedly installed with the second zipper (8) far from the one end of main backpack body (1).

2. a kind of foldable knapsack according to claim 1, which is characterized in that the position-limit mechanism (5) includes symmetrically setting The fixed strip (9) in secondary backpack body (2) two sides is set, two fixed strips (9) are fixedly connected with secondary backpack body (2), the main packet Be symmetrically arranged with L-type limited block (10) at left and right sides of body (1), two L-type limited blocks (10) respectively with two fixed strip (9) positions Correspondence is set, two L-type limited blocks (10) are fixedly connected with main backpack body (1), and the L-type limited block (10) is equipped with logical Hole, the through-hole is interior to be equipped with kelly (11), and the fixed strip (9) is equipped with and kelly (11) matched card hole, the kelly (11) one end far from main backpack body (1) extends to outside through-hole and is fixedly connected with pulling block (12), is arranged on the kelly (11) Spring (13), described spring (13) one end are fixedly connected with pulling block (12), and spring (13) other end and L-type limited block (10) are solid Fixed connection.

3. a kind of foldable knapsack according to claim 1, which is characterized in that the harness on the main backpack body (1) is can It is telescopic.

4. a kind of foldable knapsack according to claim 1, which is characterized in that in the main backpack body (1) and secondary backpack body (2) Fixation is sewed with reinforcing strip (14).

5. a kind of foldable knapsack according to claim 1, which is characterized in that the main backpack body (1) is far from secondary backpack body (2) End face on be fixedly connected there are two sponge strip (15).

6. a kind of foldable knapsack according to claim 1, which is characterized in that the main backpack body (1), secondary backpack body (2) and Wrinkle pieces of cloth (3) are all made of canvas material, and are coated with water-repellent paint on main backpack body (1), secondary backpack body (2) and wrinkle pieces of cloth (3).