Unidirectional exhaust food vacuum packaging bag

Abstract

The utility model relates to the technical field of food vacuum packaging, in particular to a one-way exhaust food vacuum packaging bag which comprises a packaging bag body, a one-way valve and an opening component, and the opening component comprises a sealing plate, a mounting plate, a limiting cylinder, a pressing assembly, a connecting frame, two supporting arms, two fixing arms and two sliding rails. The sealing plate and the mounting plate are fixedly connected with the packaging bag body, the limiting cylinder, the pressing assembly, the two fixing arms and the two sliding rails are arranged on the mounting plate, the pressing assembly is slidably connected with the limiting cylinder, the connecting frame is fixedly connected with the pressing assembly, and one ends of the two supporting arms are rotatably connected with the connecting frame. The other end of each supporting arm is slidably connected with the corresponding sliding rail, each fixing arm is fixedly connected with the corresponding supporting arm, and through the structural arrangement, the problem that only small food can be stored due to the fact that only one part of the communication layer is arranged is solved.

Description

Technical Field

[0001] This utility model relates to the field of food vacuum packaging technology, and in particular to a one-way exhaust food vacuum packaging bag. Background Technology

[0002] Most existing vacuum packaging bags are for single use only. Once opened, they no longer provide vacuum preservation and can only be opened once. Food is easily damaged after opening.

[0003] To address the aforementioned issues, prior art CN110239822A provides a food vacuum packaging bag with a one-way exhaust valve structure, comprising a bag body and an inner food bag disposed inside the bag body. The bag body and the inner food bag form a vacuum chamber, and the top of the inner food bag is provided with a connecting layer connected to the bag body. A one-way valve is provided on one side of the bottom of the bag body, and one end of the one-way valve is connected to the vacuum chamber. This invention provides a one-way valve on the outside of the bag body that is connected to the vacuum chamber, allowing the user to maintain the vacuum environment of the packaging bag again using the one-way valve, thus extending the food's shelf life. It also features a female cap and a female cap, providing two opening methods for user convenience.

[0004] However, in the aforementioned prior art, because the connected layer is only a portion, it can only store smaller food items. Utility Model Content

[0005] The purpose of this invention is to provide a one-way exhaust food vacuum packaging bag, which solves the technical problem in the prior art that only small food items can be stored because the connecting layer is only a part.

[0006] To achieve the above objectives, this utility model employs a one-way exhaust food vacuum packaging bag, comprising a packaging bag body, a one-way valve, and an opening component. The opening component includes a sealing plate, a mounting plate, a limiting cylinder, a pressing assembly, a connecting frame, two support arms, two fixed arms, and two slide rails. The one-way valve is fixedly connected to the packaging bag body and located at one end of the packaging bag body. The sealing plate and the mounting plate are fixedly connected to the packaging bag body and symmetrically arranged at one end of the packaging bag body. The limiting cylinder, the pressing assembly, the two fixed arms, and the two slide rails are respectively arranged on the mounting plate. The pressing assembly is slidably connected to the limiting cylinder and located at one end of the limiting cylinder. The connecting frame is fixedly connected to the pressing assembly and located at one end of the pressing assembly. One end of each of the two support arms is rotatably connected to the connecting frame and symmetrically arranged at one end of the connecting frame. The other end of each support arm is slidably connected to the corresponding slide rail and located at one end of the corresponding slide rail. Each fixed arm is fixedly connected to the corresponding support arm and located at one end of the corresponding support arm.

[0007] The pressing assembly includes a pressure rod and a return spring. The return spring is fixedly connected to the pressure rod and is located at one end of the pressure rod.

[0008] The connecting frame includes a ring, two frames, and two connecting rods. The ring is fixedly connected to the pressure rod and is located at one end of the pressure rod. The two frames are fixedly connected to the ring and are symmetrically arranged at one end of the ring. Each connecting rod is fixedly connected to the corresponding frame and is located at one end of the corresponding frame.

[0009] Each of the support arms includes a support block, a support rod, and a slider. The support block is rotatably connected to the connecting rod and is located at one end of the connecting rod. The support rod is fixedly connected to the support block and is located at one end of the support block. The slider is rotatably connected to the support rod and is located at one end of the support rod.

[0010] Each of the fixed arms includes a fixed rod, a fixed plate, and several locking rods. The fixed rod is fixedly connected to the slider and is located at one end of the slider. The fixed plate is fixedly connected to the fixed rod and is located at one end of the fixed rod. Several locking rods are fixedly connected to the fixed plate and are evenly distributed at one end of the fixed plate.

[0011] This utility model discloses a one-way exhaust food vacuum packaging bag. The sealing plate and the mounting plate are fixedly connected to the packaging bag body and symmetrically arranged at one end of the packaging bag body. The limiting cylinder, the pressing assembly, two fixed arms, and two slide rails are respectively arranged on the mounting plate. The pressing assembly is slidably connected to the limiting cylinder and located at one end of the limiting cylinder. The connecting frame is fixedly connected to the pressing assembly and located at one end of the pressing assembly. One end of each of the two supporting arms is rotatably connected to the connecting frame and symmetrically arranged at one end of the connecting frame. The other end of each supporting arm is slidably connected to the corresponding slide rail and located at one end of the corresponding slide rail. Each fixed arm is fixedly connected to the corresponding supporting arm and located at one end of the corresponding supporting arm. When it is necessary to open the packaging bag body... When the pressing component is squeezed, it drives the connecting frame to move through the limiting cylinder. The connecting frame drives the two support arms to move relative to each other on the two slide rails. The two support arms drive the two fixed arms to move into the interior of the mounting plate, thereby separating the two fixed arms from the sealing plate. Then, separating the sealing plate from the mounting plate opens the packaging bag body. When closing, the pressing component is pressed, at which point the two fixed arms retract into the mounting plate. Then, the mounting plate and the sealing plate are aligned. Then, the pressing component is released, at which point the two fixed arms move out of the mounting plate and insert into the sealing plate, closing the packaging bag body. This method can effectively solve the problem that only small food items can be stored because the connecting layer is only a part. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a structural schematic diagram of a unidirectional exhaust food vacuum packaging bag according to the present invention.

[0014] Figure 2 This is a schematic diagram of the internal structure of the mounting plate of this utility model.

[0015] Figure 3 This is a structural schematic diagram of the connecting frame of this utility model.

[0016] 101-Packaging bag body, 102-One-way valve, 103-Sealing plate, 104-Mounting plate, 105-Limiting cylinder, 106-Slide rail, 107-Pressure rod, 108-Reset spring, 109-Ring, 110-Frame, 111-Connecting rod, 112-Support block, 113-Support rod, 114-Slider, 115-Fixing rod, 116-Fixing plate, 117-Locking rod. Detailed Implementation

[0017] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0018] Please see Figures 1-3 ,in Figure 1 This is a structural schematic diagram of a one-way exhaust food vacuum packaging bag according to this utility model. Figure 2 This is a schematic diagram of the internal structure of the mounting plate of this utility model. Figure 3 This is a structural schematic diagram of the connecting frame of this utility model.

[0019] This utility model provides a one-way exhaust food vacuum packaging bag, including a packaging bag body 101, a one-way valve 102, a sealing plate 103, a mounting plate 104, a limiting cylinder 105, a slide rail 106, a pressure rod 107, a return spring 108, a ring 109, a frame 110, a connecting rod 111, a support block 112, a support rod 113, a slider 114, a fixing rod 115, a fixing plate 116, and a locking rod 117. The aforementioned solution solves the problem that only small food items can be stored because the connected layer is only a part.

[0020] In this specific embodiment, the one-way valve 102 is fixedly connected to the packaging bag body 101 and located at one end of the packaging bag body 101. The sealing plate 103 and the mounting plate 104 are fixedly connected to the packaging bag body 101 and symmetrically arranged at one end of the packaging bag body 101. The limiting cylinder 105, the pressing assembly, the two fixed arms, and the two slide rails 106 are respectively arranged on the mounting plate 104. The pressing assembly is slidably connected to the limiting cylinder 105 and located at one end of the limiting cylinder 105. The connecting frame is fixedly connected to the pressing assembly and located at one end of the pressing assembly. One end of each of the two support arms is rotatably connected to the connecting frame and symmetrically arranged at one end of the connecting frame. The other end of each support arm is slidably connected to the corresponding slide rail 106 and located at one end of the corresponding slide rail 106. Each fixed arm is fixedly connected to the corresponding support arm and located at one end of the corresponding support arm. The packaging bag body 101 and the one-way valve 102 are... 02. Provided by existing technology, when it is necessary to open the packaging bag body 101, the pressing component is squeezed. The pressing component drives the connecting frame to move through the limiting cylinder 105. The connecting frame drives the two support arms to move relative to each other on the two slide rails 106. The two support arms drive the two fixed arms to move into the interior of the mounting plate 104, thereby separating the two fixed arms from the sealing plate 103. Then, the sealing plate 103 is separated from the mounting plate 104, and the packaging bag body 101 can be opened. When it is necessary to close, the pressing component is pressed. At this time, the two fixed arms retract into the mounting plate 104. Then, the mounting plate 104 and the sealing plate 103 are attached. Then, the pressing component is released. At this time, the two fixed arms move out from the mounting plate 104 and insert into the sealing plate 103, so that the packaging bag body 101 is closed. Then, the one-way valve 102 sucks in the packaging bag body 101, thereby facilitating the storage of various foods.

[0021] The pressing assembly includes a pressure rod 107 and a return spring 108. The return spring 108 is fixedly connected to the pressure rod 107 and is located at one end of the pressure rod 107. When the pressure rod 107 is pressed, the pressure rod 107 compresses the return spring 108.

[0022] Secondly, the connecting frame includes a ring 109, two frames 110, and two connecting rods 111. The ring 109 is fixedly connected to the pressure rod 107 and is located at one end of the pressure rod 107. The two frames 110 are fixedly connected to the ring 109 and are symmetrically arranged at one end of the ring 109. Each connecting rod 111 is fixedly connected to the corresponding frame 110 and is located at one end of the corresponding frame 110. The pressure rod 107 drives the ring 109 to move, and the ring 109 drives the two connecting rods 111 to move through the two frames 110.

[0023] Meanwhile, each of the support arms includes a support block 112, a support rod 113, and a slider 114. The support block 112 is rotatably connected to the connecting rod 111 and is located at one end of the connecting rod 111. The support rod 113 is fixedly connected to the support block 112 and is located at one end of the support block 112. The slider 114 is rotatably connected to the support rod 113 and is located at one end of the support rod 113. The connecting rod 111 drives the support block 112 to move, and the support block 112 drives the slider 114 to move through the support rod 113.

[0024] In addition, each of the fixed arms includes a fixed rod 115, a fixed plate 116, and a plurality of locking rods 117. The fixed rod 115 is fixedly connected to the slider 114 and is located at one end of the slider 114. The fixed plate 116 is fixedly connected to the fixed rod 115 and is located at one end of the fixed rod 115. The plurality of locking rods 117 are fixedly connected to the fixed plate 116 and are evenly arranged at one end of the fixed plate 116. The slider 114 drives the fixed plate 116 to move through the fixed rod 115, and the fixed plate 116 drives the plurality of locking rods 117 to move.

[0025] In the case of a one-way exhaust food vacuum packaging bag according to this embodiment, when it is necessary to open the packaging bag body 101, the pressure rod 107 is pressed. The pressure rod 107 compresses the return spring 108, and the pressure rod 107 drives the ring 109 to move through the limiting cylinder 105. The ring 109 drives the two connecting rods 111 to move through the two frames 110. The two connecting rods 111 drive the two support blocks 112 to move relative to each other. The two support blocks 112 drive the two sliders 114 to move relative to each other on the two slide rails 106 through the two support rods 113. The two sliders 114 drive the two fixing plates 116 to move relative to each other through the two fixing rods 115. 6. The corresponding locking rods 117 are moved relative to each other and into the mounting plate 104. Then, the sealing plate 103 is separated from the mounting plate 104 to open the packaging bag body 101. To close it, the above operation is repeated. Then, the mounting plate 104 and the sealing plate 103 are attached together, and the pressure rod 107 is released. The return spring 108 resets the pressure rod 107. At this time, the two fixing plates 116 respectively drive the corresponding locking rods 117 to move out of the mounting plate 104, so that the locking rods 117 are inserted into the sealing plate 103, thereby closing the packaging bag body 101. Then, the one-way valve 102 sucks in the packaging bag body 101 to facilitate the storage of various foods.

[0026] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Those skilled in the art can understand that implementing all or part of the above-described embodiments and making equivalent changes in accordance with the claims of the present utility model are still within the scope of the utility model.

Claims

1. A one-way venting food vacuum packaging bag, comprising a packaging bag body and a one-way valve, wherein the one-way valve is fixedly connected to the packaging bag body and located at one end of the packaging bag body, characterized in that, It also includes opening components, The opening component includes a sealing plate, a mounting plate, a limiting cylinder, a pressing assembly, a connecting frame, two support arms, two fixed arms, and two slide rails. The sealing plate and the mounting plate are fixedly connected to the packaging bag body and symmetrically arranged at one end of the packaging bag body. The limiting cylinder, the pressing assembly, the two fixed arms, and the two slide rails are respectively arranged on the mounting plate. The pressing assembly is slidably connected to the limiting cylinder and is located at one end of the limiting cylinder. The connecting frame is fixedly connected to the pressing assembly and is located at one end of the pressing assembly. One end of each of the two support arms is rotatably connected to the connecting frame and symmetrically arranged at one end of the connecting frame. The other end of each support arm is slidably connected to the corresponding slide rail and is located at one end of the corresponding slide rail. Each fixed arm is fixedly connected to the corresponding support arm and is located at one end of the corresponding support arm.

2. The unidirectional exhaust food vacuum packaging bag as described in claim 1, characterized in that, The pressing assembly includes a pressure rod and a return spring, wherein the return spring is fixedly connected to the pressure rod and is located at one end of the pressure rod.

3. The unidirectional exhaust food vacuum packaging bag as described in claim 2, characterized in that, The connecting frame includes a ring, two frames, and two connecting rods. The ring is fixedly connected to the pressure rod and is located at one end of the pressure rod. The two frames are fixedly connected to the ring and are symmetrically arranged at one end of the ring. Each connecting rod is fixedly connected to the corresponding frame and is located at one end of the corresponding frame.

4. The unidirectional exhaust food vacuum packaging bag as described in claim 3, characterized in that, Each of the support arms includes a support block, a support rod, and a slider. The support block is rotatably connected to the connecting rod and is located at one end of the connecting rod. The support rod is fixedly connected to the support block and is located at one end of the support block. The slider is rotatably connected to the support rod and is located at one end of the support rod.

5. The unidirectional exhaust food vacuum packaging bag as described in claim 4, characterized in that, Each of the fixed arms includes a fixed rod, a fixed plate, and a plurality of locking rods. The fixed rod is fixedly connected to the slider and is located at one end of the slider. The fixed plate is fixedly connected to the fixed rod and is located at one end of the fixed rod. The plurality of locking rods are fixedly connected to the fixed plate and are evenly arranged at one end of the fixed plate.

Images