A one-pull opening device for luggage

Abstract

The utility model belongs to the field of luggage technology, specifically discloses a one-pull instant opening device for luggage, including back panel and flap, the lower extreme of back panel is fixedly connected with the lower extreme of flap, the upper extreme of back panel is connected with the upper extreme of flap through double -end opening and closing zipper, two opening and closing pulls of double -end opening and closing zipper are located in the middle part, the position of two opening and closing pulls on the flap is equipped with the pull belt for the finger to pass through, and the upper end of the flap is opened by pulling down and controlling, the utility model discloses the upper end of flap is connected with the upper end of back panel through double -end opening and closing zipper, and the pull belt is set on the position of the opening and closing pull of double -end opening and closing zipper on the flap, the user only needs to pass the finger through the pull belt, then pulls down, can drive two opening and closing pulls of double -end opening and closing zipper to open to both sides simultaneously, realizes the quick down -turning of flap and opens, thereby the tool and equipment in the luggage are taken out quickly, and the operation efficiency and emergency response ability are improved greatly.

Description

Technical Field

[0001] This utility model belongs to the field of luggage technology, and in particular relates to a one-pull instant opening device for luggage. Background Technology

[0002] In special scenarios such as police duties, emergency rescue, and outdoor sports, personnel often need to be equipped with a variety of tools to ensure safety and improve efficiency. For example, police officers carry batons, tear gas spray, and police pistols when performing patrol, law enforcement, and arrest missions. Emergency rescue personnel need to prepare first aid medicines and rescue tools in the face of disasters, and outdoor sports enthusiasts need to have first aid kits and signal transmitters when encountering accidents. These tools are usually placed in bags, and the ability to quickly open these bags becomes a key issue.

[0003] Most zippered bags currently on the market use a single-ended zipper design. To open it, the user needs to hold the bag steady with one hand while slowly pulling the zipper from one end to the other with the other. In an emergency, the user needs to use both hands: one hand to hold the bag steady and the other to pull the zipper. This operation is cumbersome and slow, making it difficult to quickly access tools.

[0004] Therefore, the inventors dedicated themselves to designing a bag to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a one-pull instant-open device for bags, which can quickly open the bag and thus quickly take out the tools and equipment inside, greatly improving operational efficiency and emergency response capabilities.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A one-pull instant-opening device for bags includes a back panel and a flap. The lower end of the back panel is fixedly connected to the lower end of the flap, and the upper end of the back panel is connected to the upper end of the flap via a double-ended zipper. The two opening and closing heads of the double-ended zipper are located in the middle. The flap is provided with a pull strap near the two opening and closing heads for fingers to pass through and pull down to control the upper end of the flap to flip open.

[0007] As an improvement of the present invention for a one-pull instant opening device for bags, the flap is polygonal in shape, and the pull strap is located at a corner of the upper end of the polygon of the flap itself.

[0008] As an improvement of the present invention for a one-pull instant opening device for bags, the pull strap is U-shaped, and the two ends of the U-shaped opening of the pull strap are respectively fixedly connected to the inner and outer walls of the flap to form a pull hole for fingers to pass through.

[0009] As an improvement of the present invention for a one-pull instant opening device for bags, the two opening and closing pull heads are arranged in opposite directions at intervals to form an opening, and one end of the pull strap that is fixed to the inner wall of the flap extends into the opening.

[0010] As an improvement of the present invention for a one-pull instant opening device for bags, the pull strap is fixed to the outer wall of the flap at one end in a single spiral shape. The flap includes a front panel and a side panel. The side panel is fixedly connected to the front panel. The end of the side panel away from the front panel is connected to the rear panel through the double-headed zipper.

[0011] As an improvement of the one-pull instant opening device for bags of this utility model, the lower end of the rear panel is fixedly connected to the lower end of the flap through the bottom of the bag, and the two ends of the side panel are respectively fixedly connected to the two ends of the bottom of the bag to form a frame shape.

[0012] As an improvement of the present invention for a one-pull instant opening device for bags, the front panel includes an inner layer and an outer layer disposed outside the inner layer, the edge of the outer layer is fixedly connected to the edge of the inner layer, and a pull window zipper is provided on the outer layer.

[0013] As an improvement of the present invention for a one-pull instant-opening device for bags, the rear panel includes an inner lining and a surface layer, the surface layer being fixed to the back of the inner lining, and a rear-opening zipper being provided on the back of the surface layer.

[0014] As an improvement of the present invention for a one-pull instant opening device for bags, the rear panel is provided with a shoulder strap, the shoulder strap includes two connecting straps and a buckle, the two connecting straps are movably engaged with each other by the buckle, the ends of the two connecting straps away from the buckle are respectively fixedly connected to the upper and lower ends of the rear panel by connecting heads, the pull strap is located between the two connecting heads, and the upper connecting head is located on the side of the pull strap.

[0015] As an improvement of the present invention for a one-pull instant opening device for bags, a collar is movably fitted on the upper connecting strap. The end of the upper connecting strap near the buckle moves through the buckle and then passes through the collar in the opposite direction. The end portion of the upper connecting strap that passes through the collar in the opposite direction is folded and the middle is sewn to form a butterfly-shaped snap fastener for engaging with the collar.

[0016] Compared with existing technologies, the present invention provides a one-pull instant-open device for bags, which uses a double-headed zipper to connect the upper end of the flap to the upper end of the back panel. A pull strap is provided on the flap near the opening and closing heads of the double-headed zipper. The user only needs to pass his / her finger through the pull strap and then pull down to drive the two opening and closing heads of the double-headed zipper to open to both sides at the same time, so as to quickly flip the flap open and quickly take out the tools and equipment in the bag. This greatly improves the operating efficiency and emergency response capability, and meets the needs of police duty, emergency rescue, outdoor sports and other special scenarios for quickly accessing items in bags. Attached Figure Description

[0017] Figure 1 This is a three-dimensional enlarged view of the instant-opening device for bags and luggage according to this utility model; Figure 2 yes Figure 1 Enlarged view of point A in the middle; Figure 3 This is an enlarged view of the back structure of the pull-to-open device for bags according to this utility model; Figure 4 yes Figure 3 Enlarged view of point B in the middle; Figure 5 This is a three-dimensional enlarged view of the upper connecting strap near the buckle end in this utility model; Figure 6 This is a partially enlarged cross-sectional view of the pull-open device for bags according to this utility model; Figure 7 This is a three-dimensional enlarged structural diagram of the one-pull instant-open device for bags in the open state according to this utility model; Figure 8 This is a diagram showing the usage status of the one-pull instant-open device for bags and luggage according to this utility model.

[0018] Illustration: 1. Outer layer; 11. Sliding window pull; 12. Sliding window chain tooth belt; 2. Side panel; 21. Side seam; 3. Inner layer; 4. Back panel; 41. Surface layer; 42. Lining; 421. Divider strip; 422. Divider seam; 5. Pull strap; 51. Pull strap seam; 6. Opening / closing pull; 61. Opening / closing chain tooth belt; 62. Opening; 7. Flip-top; 71. Front panel; 8. Shoulder strap; 81. Upper connecting strap; 811. Upper connector; 812. Clip connector; 8121. Fixing seam; 82. Loop; 83. Male end; 84. Female end; 841. Lower connecting strap; 842. Lower connector; 85. Reinforcing strap; 9. Bottom of the bag. Detailed Implementation

[0019] The embodiments of this utility model are described in detail below with reference to the accompanying drawings. The drawings are for reference and illustration only and do not constitute a limitation on the scope of patent protection of this utility model.

[0020] Reference Figures 1 to 8 A one-pull instant-open device for bags includes a back panel 4, a flap 7, a double-ended zipper, a pull strap 5, and a shoulder strap 8. The lower end of the back panel 4 is fixedly connected to the lower end of the flap 7, and the upper end of the back panel 4 is connected to the upper end of the flap 7 via the double-ended zipper. The two opening and closing pull heads 6 of the double-ended zipper are located in the middle. The pull strap 5 is located on the flap 7 near the two opening and closing pull heads 6. The function of the pull strap 5 is to allow fingers to pass through and pull down to control the upper end of the flap 7 to flip open. The shoulder strap 8 is located on the back panel 4.

[0021] Reference Figure 3 , Figure 6 and Figure 7 The rear panel 4 can be any shape, such as circular or polygonal. In this embodiment, the rear panel 4 is preferably rectangular. The rear panel 4 includes an inner lining 42 and a surface layer 41. The front of the inner lining 42 is provided with a long strip of dividing strip 421. The two ends of the dividing strip 421 are sewn and fixedly connected to the inner lining 42. The middle part of the dividing strip 421 is fixedly connected to the inner lining 42 through a dividing stitch 422, which separates the dividing strip 421 into two parts, making it convenient to insert police tools such as batons. The surface layer 41 is fixed to the back of the inner lining 42. The back of the surface layer 41 is provided with a back zipper, which is convenient to place various objects.

[0022] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 and Figure 7 The flip cover 7 can be any shape, such as circular or polygonal. The flip cover 7 of this utility model is preferably rectangular. The flip cover 7 includes a front panel 71 and a side panel 2. The front panel 71 is rectangular and the side panel 2 is U-shaped and fixedly connected to the upper edge of the front panel 71 to increase the three-dimensional effect. The front panel 71 includes an inner layer 3 and an outer layer 1. The outer layer 1 is disposed outside the inner layer 3. The edge of the outer layer 1 is fixedly connected to the edge of the inner layer 3 and forms a partition between the two. The outer layer 1 is provided with a pull window zipper. The pull window zipper includes two interlocking pull window chain teeth 12 and a pull window pull head 11. The two pull window chain teeth 12 are arranged along the length direction of the flip cover 7.

[0023] Reference Figure 1 and Figure 3The lower end of the rear panel 4 is fixedly connected to the lower end of the flap 7 via a U-shaped bottom 9. The two ends of the side panel 2 are fixedly connected to the two ends of the U-shaped opening of the bottom 9 via side stitching lines 21 to form a frame. The two side stitching lines 21 are staggered vertically.

[0024] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 The side panel 2, at its edge furthest from the front panel 71, is connected to the edge of the rear panel 4 via a U-shaped double-ended zipper. The double-ended zipper includes two interlocking zipper teeth 61 and two zipper pulls 6. One zipper tooth 61 is positioned along the edge of the side panel 2 furthest from the front panel 71, and the other zipper tooth 61 is positioned along the upper edge of the rear panel 4. The two ends of the zipper tooth 61 extend to the two side seams 21, respectively. The two zipper pulls 6 are positioned in opposite directions and slide bidirectionally on the two interlocking zipper tooth 61. The two zipper pulls 6 are positioned in opposite directions and spaced apart to form an opening 62. In this embodiment, the opening 62 is located at the top of the bag (the bag is mainly worn diagonally).

[0025] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 In the preferred configuration, the pull strap 5 is located at a corner of the upper part of the polygonal shape of the flip cover 7. The pull strap 5 is U-shaped, and the two ends of the U-shaped opening of the pull strap 5 are fixedly connected to the inner and outer walls of the flip cover 7 to form a pull hole for fingers to pass through. Specifically, one end of the pull strap 5 extends into the opening 62 and is sewn and fixedly connected to the inner wall of the side panel 2 of the flip cover 7. The other end of the pull strap 5 is in a single spiral shape (the pull strap 5 has a certain rigidity, and the single spiral curl at the end connected to the flip cover 7 helps to maintain the shape of the pull strap 5 and facilitates the insertion of fingers) and is inserted to the upper end of the outer layer 1 of the flip cover 7, and then sewn and fixedly connected to the outer layer 1 to form the pull strap sewing line 51. The two ends of the pull strap sewing line 51 are fixedly connected to the pull window chain tooth belt 12 and the side panel 2, respectively.

[0026] Reference Figure 1 and Figure 5The shoulder strap 8 includes two connecting straps, two connectors, a buckle, and a ring 82. The two connecting straps are movably connected by the buckle. The ends of the two connecting straps away from the buckle are respectively fixedly connected to the upper and lower ends of the rear panel 4 through the connectors. In this embodiment, the two connecting straps are specifically an upper connecting strap 81 and a lower connecting strap 841, and the two connectors are specifically an upper connector 811 and a lower connector 842. The buckle includes a male end 83 and a female end 84. One end of the upper connecting strap 81 is fixedly connected to the upper end of the rear panel 4 through the upper connector 811 and a reinforcing band 85, and the other end of the upper connecting strap 81 is connected to the male end 83. One end of the lower connecting strap 841 is fixedly connected to the lower end of the rear panel 4 through the lower connector 842 and another reinforcing band 85. The other end of the lower connecting strap 841 is fixedly connected to the female end 84. The pull strap 5 is located between the upper connecting head 811 and the lower connecting head 842. The upper connecting head (i.e., the upper connecting head 811) is located beside the pull strap 5. In order to make the upper connecting strap 81 adjustable in length, the collar 82 is movably sleeved on the upper connecting strap (i.e., the upper connecting strap 81). The end of the upper connecting strap (i.e., the upper connecting strap 81) near the buckle moves through the male end 83 of the buckle and then passes through the collar 82 in the opposite direction. The end of the upper connecting strap 81 that passes through the collar 82 in the opposite direction is folded and sewn in the middle to form a butterfly-shaped snap fastener 812. The fixing stitch 8121 of the snap fastener 812 is located outside the collar 82. The end of the snap fastener 812 near the collar 82 can be opened to engage with the collar 82 (e.g., Figure 5 (As shown).

[0027] The one-pull instant-opening device for bags of this utility model is preferably a cloth bag, with the bag body material being 500D nylon. The method of using this bag is as follows: Manually move the collar 82 to the position on the upper connecting strap 81, adjust the position of the male end 83 to adjust the overall length of the upper connecting strap 81, and then fasten the male end 83 of the buckle with the female end 84 to connect the two connecting straps together. The user slung the entire bag diagonally across their body, moving the bag body to the front of their chest. At this time, the entire bag body is in a tilted position, with the pull strap 5 at the very top of the bag. In case of an emergency requiring the user to retrieve tools from inside the bag, the user places their left hand on the bag body, and quickly passes their left thumb through the pull strap 5, so that the pull strap 5 is looped around the left thumb (e.g., ...). Figure 8 As shown), quickly pull down with your left hand to make the two opening and closing pull heads 6 slide outward together on the opening and closing chain toothed belt 61, and the flap 7 will flip down accordingly until the two opening and closing pull heads 6 slide to the two side seam lines 21 respectively. The flap 7 will then flip down to its limit position, and the user can use their right hand to take out the tools inside the bag. After use, put the tool back, pull up the two zipper pulls 6, and move the bag to your back.

[0028] This utility model discloses a one-pull instant-opening device for bags. It utilizes a double-headed zipper to connect the upper end of the flap 7 to the upper end of the rear panel 4. A pull strap 5 is provided on the flap 7 near the opening and closing pull head 6 of the double-headed zipper. The user only needs to pass his finger through the pull strap 5 and then pull down to drive the two opening and closing pull heads 6 of the double-headed zipper to pull open to both sides at the same time, realizing the rapid opening of the flap 7. This allows for quick access to tools and equipment inside the bag, greatly improving operational efficiency and emergency response capabilities. It meets the needs of police duty, emergency rescue, outdoor sports, and other special scenarios for quickly accessing items inside bags.

[0029] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of protection of the present utility model. Therefore, any equivalent changes made in accordance with the scope of the patent application of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A pull-to-open device for bags, characterized in that, It includes a back panel and a flap. The lower end of the back panel is fixedly connected to the lower end of the flap. The upper end of the back panel is connected to the upper end of the flap via a double-ended zipper. The two opening and closing heads of the double-ended zipper are located in the middle. The flap is provided with a pull strap near the two opening and closing heads for fingers to pass through and pull down to control the upper end of the flap to flip open.

2. The instant-opening device for bags according to claim 1, characterized in that, The flip cover is polygonal in shape, and the pull strap is located at a corner of the upper end of the polygonal part of the flip cover itself.

3. The instant-opening device for bags according to claim 1, characterized in that, The pull strap is U-shaped, and the two ends of the U-shaped opening of the pull strap are fixedly connected to the inner and outer walls of the flip cover to form pull holes for fingers to pass through.

4. The instant-opening device for bags according to claim 3, characterized in that, The two opening and closing pull heads are arranged in opposite directions and spaced apart to form an opening, and one end of the pull strap that is fixed to the inner wall of the flap extends into the opening.

5. A pull-to-open device for bags according to claim 3, characterized in that, The pull strap is fixed to the outer wall of the flap in a single spiral shape. The flap includes a front panel and a side panel. The side panel is fixedly connected to the front panel. The end of the side panel away from the front panel is connected to the rear panel through the double-ended zipper.

6. A one-pull instant-opening device for bags according to claim 5, characterized in that, The lower end of the rear panel is fixedly connected to the lower end of the flap via the bottom of the bag, and the two ends of the side panel are respectively fixedly connected to the two ends of the bottom of the bag to form a frame shape.

7. A pull-to-open device for bags according to claim 5, characterized in that, The front panel includes an inner layer and an outer layer disposed outside the inner layer. The edge of the outer layer is fixedly connected to the edge of the inner layer, and a pull-out zipper is provided on the outer layer.

8. A pull-to-open device for bags according to claim 1, characterized in that, The rear panel includes an inner lining and an outer layer, the outer layer being fixed to the back of the inner lining, and the back of the outer layer having a rear-opening zipper.

9. A one-pull instant-opening device for bags according to claim 1, characterized in that, The rear panel is provided with a shoulder strap, which includes two connecting straps and a buckle. The two connecting straps are movably connected to each other by the buckle. The ends of the two connecting straps away from the buckle are respectively fixedly connected to the upper and lower ends of the rear panel through connectors. The pull strap is located between the two connectors, and the upper connector is located to the side of the pull strap.

10. A pull-to-open device for bags according to claim 9, characterized in that, A collar is movably fitted on the upper connecting strap. The end of the upper connecting strap near the buckle moves through the buckle and then passes through the collar in the opposite direction. The end portion of the upper connecting strap that passes through the collar in the opposite direction is folded and the middle is sewn to form a butterfly-shaped snap fastener for engaging with the collar.

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