Waterproof backpack

Abstract

The utility model provides a waterproof backpack, which relates to the technical field of backpack, and comprises a backpack, both sides of a bag opening of the backpack are provided with bag opening strips, the opposite surfaces of the two bag opening strips close to the inner side edge are embedded with sealing strips, and the opposite surfaces close to the middle of the outer side edge and close to the two ends are arranged in a penetrating manner; an inserting block is installed at the penetrating position of one bag opening strip, the two bag opening strips are shifted to be close to each other, the elastic clamping hook on one bag opening strip is inserted into the corresponding penetrating position on the other bag opening strip, the right-angle side of the elastic clamping hook is clamped on the surface of the blocking strip on the other bag opening strip, and then the two bag opening strips can be rapidly combined. And due to the arrangement of the sealing strip, when the two bag opening strips are attached to each other, the sealing and waterproof effects of the attaching face are guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of backpack technology, and in particular to a waterproof backpack. Background Technology

[0002] A backpack is a general term for a bag that is carried on both shoulders. Depending on their purpose, backpacks are further categorized into laptop backpacks, sports backpacks, fashion backpacks, school backpacks, drawstring backpacks, military backpacks, hiking backpacks, etc.

[0003] For example, a prior art outdoor waterproof backpack, publication number CN219593975U, includes a bag body. A foldable thermal cover is sewn onto one side of the bag body. Cuffs are integrally machined on both the front and back of the foldable thermal cover. A neck opening is integrally machined on the side of the foldable thermal cover away from the bag body. A rubber protrusion is glued to the opening of the bag body. A cover strap made of silicone fabric is glued to the surface of the bag body. The bag body consists of an inner first waterproof layer, a middle non-woven fabric layer, and an outer second waterproof layer. The rubber protrusion is positioned high at the opening of the bag body. The cover strap, through which the zipper and locking teeth are covered, effectively conceals the zipper and locking teeth, preventing external rainwater from entering the bag body through them. The bag body is constructed from two layers of waterproof fabric and non-woven fabric, enhancing its outdoor waterproof performance.

[0004] However, because the bag is opened and closed by a zipper, the zipper teeth are prone to falling off and shifting, especially metal zippers. Due to the high price of raw materials, the cost of repair and replacement is also relatively high. The smoothness of opening and closing of metal zippers may not be as good as other types of zippers, such as nylon or metal zippers, which may affect the smoothness of use. Utility Model Content

[0005] The purpose of this utility model is to solve the problems existing in the prior art by proposing a waterproof backpack.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a waterproof backpack, comprising a backpack, wherein both sides of the backpack opening are equipped with opening strips, and sealing strips are embedded in the opposite sides of the two opening strips near the inner edge, and the opposite sides are through-holes near the middle of the outer edge and near both ends, an insert is installed at the through-hole of one of the opening strips, a slider is slidably installed in the insert, and an elastic hook through the through-hole of the other opening strip is hinged to one side of the slider by a torsion spring, and a track is fixedly installed on the side of the other opening strip away from the insert and at each through-hole position, a second spring rod is fixedly installed on the track, and a stop strip inserted into the track and engaging with the elastic hook is fixedly connected to the telescopic end of the second spring rod.

[0007] Preferably, the insert block has a screw embedded in its surface and the screw penetrates the inner wall of the opening strip.

[0008] Preferably, a pull wire is provided between the plurality of the stop bars, and the pull wire located at any stop bar passes through the cylinder surface of the second spring rod connected to the stop bar.

[0009] Preferably, one edge of the slider overlaps inside the insert block, and a connecting post is fixedly installed on the other side. The connecting post is T-shaped. Three first spring rods are fixedly installed on the side of the bag opening strip where the insert block is installed. The three first spring rods are respectively located near the three through-holes of the bag opening strip, and any one of the first spring rods extends and retracts along the width direction of the adjacent insert block. The extension end of the first spring rod is fixedly connected to a locking block that is snapped onto the connecting post.

[0010] Preferably, the locking blocks are U-shaped and a pull rope is fixedly installed through the three locking blocks. The part of the pull rope that passes through the locking blocks is straight and passes through the first spring rod cylinder body at the adjacent position.

[0011] Preferably, screws are also provided at both ends of the side of the bag opening strip, and the screws at both ends are inserted into the end of the sealing strip.

[0012] Preferably, the connection between the bag opening strip and the backpack bag opening is flexible and is fixed by sewing and glue.

[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0014] 1. In this utility model, by moving the two bag opening strips closer together, the elastic hook on one bag opening strip is inserted into the corresponding through-hole on the other bag opening strip. The right-angled edge of the elastic hook is engaged with the baffle surface on the other bag opening strip, which enables the two bag opening strips to be quickly merged, ensuring a smooth and fluid feel during use. The sealing strip ensures that the two bag opening strips are sealed and waterproof when they are joined.

[0015] 2. In this utility model, by pulling the pull line, the stop bar connected to it can simultaneously overcome the thrust of the second spring rod and move to a misalignment with the elastic hook, which facilitates the quick separation of the two bag opening strips. Attached Figure Description

[0016] Figure 1 A three-dimensional structural diagram of a waterproof backpack is provided for this utility model;

[0017] Figure 2 This utility model provides a structural schematic diagram of a waterproof backpack bag opening strip;

[0018] Figure 3 This utility model proposes a waterproof backpack. Figure 2 A schematic diagram of the rear view structure;

[0019] Figure 4 This utility model provides a cross-sectional structural diagram of a waterproof backpack insert block;

[0020] Figure 5 for Figure 2 Enlarged view of point A in the middle;

[0021] Figure 6 for Figure 3 Enlarged view of point B in the middle.

[0022] Legend: 1. Backpack; 2. Bag opening strip; 3. Drawstring; 4. Insert block; 5. Screw; 6. First spring rod; 7. Locking block; 8. Connecting post; 9. Elastic hook; 10. Pull cord; 11. Second spring rod; 12. Stop bar; 13. Track; 14. Sealing strip; 15. Slider. Detailed Implementation

[0023] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0025] like Figure 1-6 As shown, a waterproof backpack includes a backpack 1. Both sides of the backpack 1 have opening strips 2. A sealing strip 14 is embedded in the inner side of the opposing surfaces of the two opening strips 2, and is also through-hole positioned near the middle and both ends of the opposing surfaces. The sealing strip 14 ensures a waterproof seal when the two opening strips 2 are closed. An insert block 4 is installed at the through-hole of one of the opening strips 2. A slider 15 is slidably installed inside the insert block 4. One side of the slider 15 is hinged by a torsion spring to an elastic hook 9 that passes through the through-hole of the other opening strip 2. A track 13 is fixedly installed on the side of the other opening strip 2 away from the insert block 4 and at each through-hole position. A second spring rod 11 is fixedly installed on the track 13. A stop strip 12, which is inserted into the track 13 and engages with the elastic hook 9, is fixedly connected to the telescopic end of the second spring rod 11. By moving the two opening strips 2 closer together, the elastic hook 9 on one opening strip 2 is inserted into the corresponding through-hole on the other opening strip 2, and... Figure 6As shown, by using the right-angled edge of the elastic hook 9 to lock onto the surface of the baffle 12 on the other bag opening strip 2, the two bag opening strips 2 can be quickly merged. When separation is required, simply slide the baffle 12 to overcome the elastic force of the second spring rod 11 and move it to a position that is misaligned with the elastic hook 9, so that the elastic hook 9 can be disengaged and pulled out from the through-hole on the other bag opening strip 2, thus separating the two bag opening strips 2.

[0026] Furthermore: the insert 4 has a screw 5 embedded in its surface threaded connection. The screw 5 passes through the inner wall of the opening strip 2, which facilitates the detachable installation of the insert 4 inside the opening strip 2. The connection between the opening strip 2 and the backpack opening is flexible and is fixed by sewing and glue to achieve the installation of the opening strip 2 and the backpack 1. Screws 5 are also provided through the two ends of the side of the opening strip 2, and the screws 5 at both ends are inserted into the end of the sealing strip 14 to ensure that the sealing strip 14 is fixed inside the opening strip 2.

[0027] Furthermore, a pull line 10 is provided between several baffles 12, and the pull line 10 located at any baffle 12 passes through the cylinder surface of the second spring rod 11 connected to the baffle 12. By pulling the pull line 10, the baffle 12 connected to it can simultaneously overcome the thrust of the second spring rod 11 and move to be misaligned with the elastic hook 9, which facilitates the quick separation of the two bag opening strips 2.

[0028] Furthermore: One edge of the slider 15 overlaps within the insert 4, and a connecting post 8 is fixedly installed on the other side. The connecting post 8 is T-shaped. Three first spring rods 6 are fixedly installed on the side of the bag opening strip 2 where the insert 4 is installed. The three first spring rods 6 are respectively positioned near the three through-holes of the bag opening strip 2, and any one of the first spring rods 6 extends and retracts along the width direction of the adjacent insert 4. A locking block 7 is fixedly connected to the extending end of the first spring rod 6 and is snapped onto the connecting post 8. The locking block 7 is U-shaped, and a pull rope 3 is fixedly installed through the three locking blocks 7. The part of the pull rope 3 that passes through the locking block 7 is straight and is connected to the adjacent position. The first spring rod 6 is installed through the cylinder body. The first spring rod 6 is used to lock the locking block 7 onto the connecting post 8, which makes it easy to fix the position of the slider 15 in the insertion block 4. By pulling the pull rope 3, all the locking blocks 7 connected to it can overcome the pushing force of the first spring rod 6 and move to separate from the connecting post 8. This makes it easy for personnel to remove and replace the connecting post 8, slider 15 and elastic hook 9 from the insertion block 4. In addition, after the elastic hook 9 hooks the corresponding stop bar 12, the locking block 7 can be used to abut against the connecting post 8 to prevent the slider 15 from sliding in the insertion block 4, causing the elastic hook 9 to separate from the stop bar 12.

[0029] The working principle is as follows: two sealing strips 14 are respectively installed on the opposite sides of the two bag opening strips 2 and fixed with screws 5. Similarly, the insert block 4 is fixed to the through-hole of one of the bag opening strips 2 with screws 5. The two bag opening strips 2 are moved closer to each other, so that the elastic hook 9 on one bag opening strip 2 is inserted into the corresponding through-hole on the other bag opening strip 2. The right angle edge on the elastic hook 9 is locked on the surface of the stop strip 12 on the other bag opening strip 2, so that the two bag opening strips 2 can be quickly closed. When it is necessary to open, by pulling the pull line 10, the stop strip 12 connected to it can overcome the pushing force of the second spring rod 11 and move to be misaligned with the elastic hook 9, so that the two bag opening strips 2 can be quickly separated.

[0030] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A waterproof backpack, comprising a backpack (1), characterized in that: The backpack (1) has two opening strips (2) installed on both sides of the opening. The two opening strips (2) have sealing strips (14) embedded in the inner side of the opposite side. The opposite side is through the middle of the outer side and the two ends. One of the opening strips (2) has an insert (4) installed at the through point. A slider (15) is slidably installed in the insert (4). One side of the slider (15) is hinged by a torsion spring to an elastic hook (9) that passes through the through point of the other opening strip (2). The other opening strip (2) is fixedly installed with a track (13) on the side away from the insert (4) and at each through point. A second spring rod (11) is fixedly installed on the track (13). The telescopic end of the second spring rod (11) is fixedly connected to a stop strip (12) that is inserted into the track (13) and overlaps with the elastic hook (9).

2. The waterproof backpack according to claim 1, characterized in that: The insert (4) has a screw (5) embedded in its surface and is threadedly connected to the inner wall of the bag opening strip (2).

3. The waterproof backpack according to claim 1, characterized in that: A pull wire (10) is provided between several of the stop bars (12), and the pull wire (10) located at any stop bar (12) passes through the cylinder surface of the second spring rod (11) connected to the stop bar (12).

4. The waterproof backpack according to claim 1, characterized in that: The slider (15) has one edge overlapping inside the insert (4) and a connecting post (8) fixedly installed on the other side. The connecting post (8) is T-shaped. Three first spring rods (6) are fixedly installed on the side of the bag opening strip (2) where the insert (4) is installed. The three first spring rods (6) are respectively set near the three through points of the bag opening strip (2), and any one of the first spring rods (6) can extend and retract along the width direction of the adjacent insert (4). The extension end of the first spring rod (6) is fixedly connected to a locking block (7) that is snapped onto the connecting post (8).

5. The waterproof backpack according to claim 4, characterized in that: The locking block (7) is U-shaped and a pull rope (3) is fixedly installed through the three locking blocks (7). The part of the pull rope (3) that passes through the locking block (7) is straight and passes through the cylinder of the first spring rod (6) at the adjacent position.

6. The waterproof backpack according to claim 2, characterized in that: Screws (5) are also provided at both ends of the side of the bag opening strip (2), and the screws (5) at both ends are inserted into the end of the sealing strip (14).

7. The waterproof backpack according to claim 1, characterized in that: The connection between the bag opening strip (2) and the bag opening of the backpack is flexible and is fixed by sewing and glue.

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