Quick opening and closing structure for main bin of backpack

Abstract

The utility model relates to the technical field of backpacks, in particular to a quick opening and closing structure for a main bin of a backpack, which comprises a backpack main bin body, a backpack top cover, a first zipper, a second zipper, a male fastener, a female fastener, a connecting rope and a third zipper. The first zipper and the second zipper on the two sides of the backpack top cover are unzipped in a tearing and pulling mode, the backpack main bin body can be rapidly opened, meanwhile, pulling plates of the two zippers drive the connecting rope to retract into the backpack main bin body, and the rope does not appear to be cumbersome; after the knapsack top cover is torn open, the vertical third zipper is pulled open downwards, the knapsack is further opened and closed greatly, the third zipper is tightened and closed upwards, then the first zipper and the second zipper which are used for closing the two sides of the knapsack are pulled up, the knapsack top cover is closed, and therefore the knapsack can be opened and closed by unfastening the buckle and then pulling open the first zipper, the second zipper and the third zipper. The expansion function can be achieved, and the amplified object can be taken more conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of backpacks, in particular to a main compartment quick opening and closing structure of a backpack. Background Art

[0002] When engaging in outdoor activities, in order to facilitate the carrying of outdoor supplies, a backpack is usually used for storage.

[0003] However, in the above-mentioned prior art, the opening and closing steps of the outdoor backpack are complicated and cumbersome, and the opening and closing operation cannot be performed quickly, which makes it troublesome to take out and put in items. Utility Model Content

[0004] The utility model aims to provide a main compartment quick opening and closing structure for a backpack, which solves the problems in the prior art that the opening and closing steps of outdoor backpacks are complicated and cumbersome, the opening and closing operations cannot be performed quickly, and it is troublesome to take out and put in items.

[0005] To achieve the above-mentioned objectives, the utility model provides a main compartment quick opening and closing structure of a backpack, comprising a main compartment body of the backpack, a backpack top cover, a first zipper, a second zipper, a male buckle, a female buckle, a connecting rope and a third zipper, wherein one end of the backpack top cover is fixedly connected to the main compartment body of the backpack, and the two sides of the backpack top cover are respectively connected to the main compartment body of the backpack through the first zipper and the second zipper, the female buckle is arranged on the other end of the backpack top cover, the main compartment body of the backpack has two first through holes and two second through holes, the connecting rope passes through the two first through holes and the two second through holes in sequence, and the two ends of the connecting rope are respectively arranged on the first zipper and the second zipper, the male buckle is fixedly connected to the connecting rope and is sleeved on the outside of the connecting rope, the male buckle and the female buckle are adapted to each other, and the third zipper is arranged on the main compartment body of the backpack.

[0006] Wherein, the backpack top cover is located above the main compartment body of the backpack.

[0007] Wherein, the first zipper and the second zipper are symmetrically arranged on both sides of the backpack top cover.

[0008] Wherein, the male buckle is located below the top cover of the backpack.

[0009] Wherein, the third zipper is located below the first zipper and the second zipper.

[0010] The utility model discloses a main compartment quick opening and closing structure of a backpack. To open the backpack, the male buckle and the female buckle are first unfastened, and the first zipper and the second zipper on both sides of the backpack top cover are pulled open in a tearing manner, so that the main compartment body of the backpack can be quickly opened. At the same time, the pull tabs of the two zippers (with two rope ends fixed at the ends) move backwards with the tearing action, driving the connecting rope to retract into the interior of the main compartment body of the backpack, so that the rope does not appear cumbersome. After tearing open the top cover of the backpack, the vertical third zipper is pulled downward to further open the backpack. In addition, the The third zipper is a double-layer zipper (the zipper buckle is closed, and the double-layer zipper can be opened at the same time); close the backpack, pull up and close the third zipper, then pull up and close the first zipper and the second zipper on both sides of the backpack, close the backpack top cover, then pull the male buckle outwards to drive the connecting rope to tighten the entire backpack, and finally close the buckle to combine the male buckle and the female buckle, thereby realizing the expansion function by unfastening the buckle and then opening the first zipper, the second zipper and the third zipper, which makes it easier to take out large objects, and the operation is simple, fast and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0012] Figure 1 It is an overall structural schematic diagram of the utility model.

[0013] Figure 2 It is a structural schematic diagram of the opening and closing of the buckle of the utility model.

[0014] Figure 3 It is a structural schematic diagram of the opening and closing of the backpack of the utility model.

[0015] 1-backpack main compartment body, 2-backpack top cover, 3-first zipper, 4-second zipper, 5-male buckle, 6-female buckle, 7-connecting rope, 8-third zipper, 9-first through hole, 10-second through hole. DETAILED DESCRIPTION

[0016] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0017] See also Figures 1 to 3The utility model provides a main compartment quick opening and closing structure of a backpack, comprising a main compartment body 1 of the backpack, a backpack top cover 2, a first zipper 3, a second zipper 4, a male buckle 5, a female buckle 6, a connecting rope 7 and a third zipper 8, one end of the backpack top cover 2 is fixedly connected to the main compartment body 1 of the backpack, both sides of the backpack top cover 2 are respectively connected to the main compartment body 1 of the backpack through the first zipper 3 and the second zipper 4, the female buckle 6 is arranged at the other end of the backpack top cover 2, the main compartment body 1 of the backpack has two first through holes 9 and two second through holes 10, the connecting rope 7 passes through the two first through holes 9 and the two second through holes 10 in sequence, the two ends of the connecting rope 7 are respectively arranged on the first zipper 3 and the second zipper 4, the male buckle 5 is fixedly connected to the connecting rope 7 and is sleeved on the outside of the connecting rope 7, the male buckle 5 and the female buckle 6 are adapted to each other, and the third zipper 8 is arranged on the main compartment body 1 of the backpack.

[0018] In this embodiment, the two ends of the connecting rope 7 are respectively fixed on the pull plates of the first zipper 3 and the second zipper 4, so when the first zipper 3 and the second zipper 4 are pulled, the connecting rope 7 will be driven to contract;

[0019] When in use: to open the backpack, first unfasten the male buckle 5 and the female buckle 6, and then pull open the first zipper 3 and the second zipper 4 on both sides of the backpack top cover 2 in a tearing manner, so as to quickly open the backpack main compartment body 1. At the same time, the pull tabs of the two zippers (with two rope ends fixed at the ends) move backwards with the tearing action, driving the connecting rope 7 to retract into the interior of the backpack main compartment body 1, so that the rope does not appear cumbersome; after tearing open the backpack top cover 2, pull down the vertical third zipper 8 to further open the backpack. In addition, the third zipper 8 is a double-layer zipper (The zipper fastener is closed and the double-layer zipper can be opened at the same time); close the backpack, pull up and close the third zipper 8, then pull up and close the first zipper 3 and the second zipper 4 on both sides of the backpack, close the backpack top cover 2, then pull the male buckle 5 outwards to drive the connecting rope 7 to tighten the entire backpack, and finally close the buckle to combine the male buckle 5 and the female buckle 6. By unfastening the buckle and then opening the first zipper 3, the second zipper 4 and the third zipper 8, the expansion function can be realized, which is more convenient for taking out large objects, and the operation is simple, fast and easy to operate.

[0020] Furthermore, the backpack top cover 2 is located above the backpack main compartment body 1.

[0021] Furthermore, the first zipper 3 and the second zipper 4 are symmetrically arranged on both sides of the backpack top cover 2 .

[0022] Furthermore, the male buckle 5 is located below the backpack top cover 2 .

[0023] Furthermore, the third zipper 8 is located below the first zipper 3 and the second zipper 4 .

[0024] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A main compartment quick opening and closing structure of a backpack, characterized in that: The backpack comprises a main compartment body, a backpack top cover, a first zipper, a second zipper, a male buckle, a female buckle, a connecting rope and a third zipper, wherein one end of the backpack top cover is fixedly connected to the main compartment body of the backpack, and both sides of the backpack top cover are connected to the main compartment body of the backpack through the first zipper and the second zipper respectively, and the female buckle is arranged at the other end of the backpack top cover, and the main compartment body of the backpack has two first through holes and two second through holes, and the connecting rope passes through the two first through holes and the two second through holes in sequence, and the two ends of the connecting rope are respectively arranged on the first zipper and the second zipper, and the male buckle is fixedly connected to the connecting rope and is sleeved on the outside of the connecting rope, and the male buckle and the female buckle are adapted to each other, and the third zipper is arranged on the main compartment body of the backpack.

2. The main compartment quick opening and closing structure of a backpack as claimed in claim 1, characterized in that: The backpack top cover is located above the main compartment body of the backpack.

3. The main compartment quick opening and closing structure of a backpack as claimed in claim 2, characterized in that: The first zipper and the second zipper are symmetrically arranged on both sides of the backpack top cover.

4. The main compartment quick opening and closing structure of a backpack as claimed in claim 3, characterized in that: The male buckle is located below the top cover of the backpack.

5. The main compartment quick opening and closing structure of a backpack as claimed in claim 4, characterized in that: The third zipper is located below the first zipper and the second zipper.

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