Packaging bag with opening binding function

Abstract

The utility model relates to the technical field of packaging bags, in particular to a packaging bag with an opening binding function, which comprises a packaging bag main body, an elastic band opening and an opening binding rope, the elastic band opening is arranged above the packaging bag main body, the opening binding rope penetrates through the inside of the elastic band opening, and the elastic band opening is tightened through the opening binding rope. A control rope is fixed to the right end of the opening binding rope, the opening binding rope is controlled through the control rope, an auxiliary block is arranged on the outer side of the control rope, the auxiliary block is arranged on the outer side of the elastic band opening, and a winding shaft is arranged in the auxiliary block. According to the packaging bag with the opening binding function, the opening binding rope can be tensioned through the control rope to tighten the opening of the elastic band, the opening binding effect is achieved, the redundant control rope after opening binding can be collected in the auxiliary block, the rope body is prevented from being scattered and wound, and the risk that the rope body is hung and makes contact with an external object is also reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging bags, in particular to a packaging bag with a binding function. Background Art

[0002] When carrying and storing some items, they can be stored in packaging bags. Currently, common packaging bags are made of cloth and plastic, and a drawstring structure can be set at the mouth of the packaging bag to tighten the bag mouth. The application number is CN202020250218.3, and a packaging bag that is easy to draw is disclosed on October 16, 2020. Its structure includes a bag body, a cushion layer, a support ring, a through hole, a through rope and a fixing device. The utility model has the following beneficial effects: by setting a support ring at the bottom end of the inner wall of the bag body, because the bottom end face of the bag body is round, and under the action of the support ring The bag is stretched open, achieving the beneficial effect of adding a supporting component to facilitate placement, and a fixing device is arranged on the outer surface of the through rope. One hand grasps the left part of the through rope, and the thumb of the other hand presses the pressure cap and applies pressure, so that the pressure rod moves down steadily at the guide groove under the action of the guide block, and then pushes the fixing device to move at the connecting hole. After the through rope is pressed at the through hole, the bag body can be tied, and then the pressure cap is loosened to fix the through rope between the shell and the pressure rod through the action of the elastic member, achieving the beneficial effect of adding a push-pull limiting component to facilitate the operation of the tie-opening fixation;

[0003] Most of the current drawstring packaging bags are formed by setting a rope at the belt opening, and tightening the rope when drawing the drawstring. After drawing the drawstring in this way, a large amount of the outer end of the tightened rope will leak out, and it is easy to hook external objects when directly hung outside, and it is also easy to get entangled and affect the subsequent opening of the drawstring. In addition, the larger the diameter of the bag body, the longer the hanging length of the rope will be after drawing the drawstring, which is not conducive to subsequent use. Utility Model Content

[0004] The utility model aims to provide a packaging bag with a drawstring function to solve the problem that the current drawstring packaging bags proposed in the above-mentioned background technology are mostly achieved by setting a rope body at the belt opening and tightening the rope body when drawing the drawstring. After drawing the drawstring in this way, a large length of the outer end of the tightened rope body will leak out, and it is easy to hook external objects when directly hung outside, and it is also easy to get entangled and affect the subsequent opening of the drawstring.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a packaging bag with a drawstring function, comprising a packaging bag main body, an elastic band opening and a drawstring rope, wherein the elastic band opening is arranged above the packaging bag main body, and the drawstring rope runs through the inside of the elastic band opening, and the elastic band opening is tightened by the drawstring rope, and a control rope is fixed to the right end of the drawstring rope, and the drawstring rope is controlled by the control rope, and an auxiliary block is arranged on the outside of the control rope, and the auxiliary block is arranged on the outside of the elastic band opening, and a winding shaft is arranged inside the auxiliary block, and a rotation connection is formed between the winding shaft and the auxiliary block, and the right end of the control rope is wound around the surface of the winding shaft, and the control rope is retracted and released by the rotation of the winding shaft, and a rotation control mechanism is connected to the outside of the winding shaft to control the rotation of the winding shaft and the retracting and releasing of the control rope.

[0006] To further optimize the technical solution, two groups of reel shafts are arranged inside the auxiliary block, and the two groups of reel shafts are arranged symmetrically front and back about the center of the auxiliary block, and the control ropes on the two groups of reel shafts are respectively connected to the two ends of the cinch rope.

[0007] To further optimize the technical solution, the rotation control mechanism includes a torsion spring and a locking mechanism;

[0008] The torsion spring is installed at the end of the reel to provide a rotational reset force for the reel so that the reel can reel the control rope;

[0009] The locking mechanism is arranged on the outer side of the reel to lock the rotation of the reel and keep the control rope stable.

[0010] To further optimize the technical solution, the locking mechanism includes a connecting shaft, a limiting plate and a limiting mechanism;

[0011] The connecting shaft is fixed above the reel and rotates synchronously with the reel;

[0012] A limiting plate is fixed above the connecting shaft;

[0013] The limiting mechanism is arranged on the outer side of the limiting disk to lock the rotation of the limiting disk.

[0014] To further optimize the technical solution, the limiting mechanism includes a limiting groove, a clamping block, a first return spring and a moving mechanism;

[0015] The limiting grooves are arranged at equal angles on the side of the limiting plate;

[0016] A clamping block is arranged outside the limiting groove and between the limiting groove to form a clamping structure, and a sliding connection is formed between the clamping block and the auxiliary block;

[0017] A first return spring is arranged on the outer side of the clamping block to provide thrust for the clamping block;

[0018] The moving mechanism is arranged at the inner end of the clamping block to control the connection between the clamping block and the limiting groove.

[0019] To further optimize the technical solution, the moving mechanism includes a driving block, an extrusion block, a second return spring and a control block;

[0020] A driving block, fixed to the inner end of the card block;

[0021] The extrusion block is arranged on the inner side of the driving block, and an up-and-down sliding structure is formed between the extrusion block and the auxiliary block, and the upper part of the extrusion block is designed in an inclined structure;

[0022] A second return spring is arranged below the extrusion block to provide an upward thrust to the extrusion block;

[0023] The control block is fixed above the extrusion block, and the upper end of the control block penetrates the upper surface of the auxiliary block.

[0024] To further optimize the technical solution, the elastic force of the second return spring is greater than the elastic force of the first return spring, and the second return spring and the extrusion block are fixedly connected.

[0025] Compared with the prior art, the beneficial effects of the utility model are:

[0026] The control rope can be used to tighten the drawstring rope to tighten the elastic band mouth to achieve the drawstring effect, and the excess control rope after the drawstring can be collected inside the auxiliary block to prevent the rope body from being scattered and entangled, and also reduce the risk of the rope body hanging and contacting with foreign objects;

[0027] The two sets of reeling shafts can be used to synchronously reel in the control ropes at both ends of the cinch rope, making it more stable and smooth during the cinch process. The auxiliary blocks can also be used to protect the control ropes to prevent them from being exposed and reduce the risk of breakage.

[0028] The torsion spring provides a rotational reset force for the reel shaft, so that the reel shaft can automatically reel in the control rope, thereby automatically tightening the elastic band opening, thereby improving its convenience of use;

[0029] The rotation of the reel can be locked by connecting the clamp block and the limit slot, so that the unwinding length of the control rope can be kept stable. After the packaging bag body is tied, the bag can maintain a stable tie effect. When the elastic band is opened later, the bag can also be kept stable to avoid being automatically tightened.

[0030] The connection between the clamping block and the limiting groove can be conveniently controlled by pressing the control block, so that the reeling of the control rope can be controlled. After the control block is released, the rotation of the reeling shaft can be automatically locked, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1It is a schematic diagram of the three-dimensional structure of the utility model;

[0032] Figure 2 This is a schematic diagram of the three-dimensional structure of the drawstring rope of the utility model;

[0033] Figure 3 This is a schematic diagram of the main cross-sectional structure of the auxiliary block of the utility model;

[0034] Figure 4 This is a schematic diagram of the top-sectional structure of the auxiliary block of the utility model;

[0035] Figure 5 This is a schematic diagram of the side section structure of the auxiliary block of the utility model;

[0036] Figure 6 It is a schematic diagram of the top view of the limit plate of the utility model.

[0037] In the figure: 1. packaging bag body; 2. elastic band opening; 3. drawstring rope; 4. auxiliary block; 5. control rope; 6. reel; 7. torsion spring; 8. connecting shaft; 9. limit plate; 10. limit groove; 11. clamping block; 12. first return spring; 13. driving block; 14. extrusion block; 15. second return spring; 16. control block. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0039] See also Figure 1-Figure 6 The utility model provides the following technical solution: a packaging bag with a drawstring function, comprising a packaging bag body 1, an elastic band opening 2 and a drawstring rope 3, wherein the elastic band opening 2 is arranged above the packaging bag body 1, and the drawstring rope 3 runs through the elastic band opening 2, and the elastic band opening 2 is tightened by the drawstring rope 3; Embodiment 1

[0040] The utility model provides a technical solution, which discloses that a control rope 5 is fixed to the right end of the cinch rope 3, and the cinch rope 3 is controlled by the control rope 5, and an auxiliary block 4 is arranged on the outside of the control rope 5, and the auxiliary block 4 is arranged on the outside of the elastic band mouth 2, and a reel 6 is arranged inside the auxiliary block 4, and the reel 6 and the auxiliary block 4 are connected in rotation, and the right end of the control rope 5 is wound around the surface of the reel 6, and the control rope 5 is retracted and released by the rotation of the reel 6, and a rotation control mechanism is connected to the outside of the reel 6 to control the rotation of the reel 6 and the retracting and releasing of the control rope 5;

[0041] When in use, the product can be placed in the packaging bag body 1, and then the control rope 5 is rolled up by rotating the reel 6, and the drawstring rope 3 is pulled up, thereby tightening the elastic band mouth 2, so that the packaging bag body 1 is tied to prevent subsequent product spillage. Embodiment 2

[0042] On the basis of the first embodiment, it is disclosed that two groups of reel shafts 6 are arranged inside the auxiliary block 4, and the two groups of reel shafts 6 are arranged in a front-to-back symmetrical shape about the center of the auxiliary block 4, and the control ropes 5 on the two groups of reel shafts 6 are respectively connected to the two ends of the cinch rope 3, and the rotation control mechanism includes a torsion spring 7 and a locking mechanism. The torsion spring 7 is installed at the end of the reel shaft 6 to provide a rotational reset force for the reel shaft 6, so that the reel shaft 6 can reel the control rope 5, and the locking mechanism is arranged on the outside of the reel shaft 6 to lock the rotation of the reel shaft 6 to keep the control rope 5 stable.

[0043] The torsion spring 7 can provide a rotational driving force for the reel 6, and the reel 6 can automatically rotate under the action of the torsion spring 7 to reel in the control rope 5, and automatically tighten the cuff rope 3. When the cuff rope 3 needs to be opened, the auxiliary block 4 can be pulled outward to pull the control rope 5 to unwind on the reel 6, and the cuff rope 3 can be released. Embodiment 3

[0044] On the basis of the second embodiment, a locking mechanism is disclosed, including a connecting shaft 8, a limit plate 9 and a limit mechanism. The connecting shaft 8 is fixed above the winding shaft 6 and rotates synchronously with the winding shaft 6. The limit plate 9 is fixed above the connecting shaft 8. The limit mechanism is arranged on the outer side of the limit plate 9 to lock the rotation of the limit plate 9. The limit mechanism includes a limit groove 10, a clamping block 11, a first return spring 12 and a moving mechanism. The limit groove 10 is opened at equal angles on the side of the limit plate 9. The clamping block 11 is arranged on the outer side of the limit groove 10 and between the limit groove 10 to form a clamping structure, and a sliding connection is formed between the clamping block 11 and the auxiliary block 4. The first return spring 12 is arranged on the outer side of the clamping block 11 to provide thrust for the clamping block 11. The moving mechanism is arranged on the clamping block The inner end of 11 controls the connection between the card block 11 and the limit groove 10, and the moving mechanism includes a driving block 13, an extruding block 14, a second return spring 15 and a control block 16. The driving block 13 is fixed at the inner end of the card block 11. The extruding block 14 is arranged on the inner side of the driving block 13, and an up-and-down sliding structure is formed between the extruding block 14 and the auxiliary block 4, and the upper part of the extruding block 14 is designed in an inclined structure. The second return spring 15 is arranged below the extruding block 14 to provide an upward thrust for the extruding block 14. The control block 16 is fixed above the extruding block 14, and the upper end of the control block 16 passes through the upper surface of the auxiliary block 4. The elastic force of the second return spring 15 is greater than the elastic force of the first return spring 12, and the second return spring 15 and the extruding block 14 are fixedly connected;

[0045] When it is necessary to control the winding or releasing of the control rope 5, the control block 16 can be pressed, and the control block 16 drives the extrusion block 14 to move downward, releasing the extrusion of the extrusion block 14 on the driving block 13. At this time, the first return spring 12 will push the card block 11 to move, release the connection between the card block 11 and the limit groove 10, and make the limit disk 9 become rotatable. At this time, the winding shaft 6 can be rotated to wind or unwind the control rope 5 and control the opening and closing of the bundle mouth. After the operation is completed, the control block 16 is released, and the second return spring 15 will push the control block 16 to move upward, so that the control block 16 squeezes the driving block 13 to move, and the driving block 13 pushes the card block 11 and the limit groove 10 to connect, and locks the rotation of the winding shaft 6, so that the use length of the control rope 5 remains stable, and the state of the elastic band mouth 2 can also be kept stable.

[0046] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0047] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A packaging bag with a drawstring function, comprising a packaging bag body (1), an elastic band opening (2) and a drawstring rope (3), wherein the elastic band opening (2) is arranged above the packaging bag body (1), and the drawstring rope (3) penetrates the inside of the elastic band opening (2), and the elastic band opening (2) is tightened by the drawstring rope (3); Features: A control rope (5) is fixed to the right end of the cinch rope (3), and the cinch rope (3) is controlled by the control rope (5). An auxiliary block (4) is arranged on the outside of the control rope (5), and the auxiliary block (4) is arranged on the outside of the elastic band opening (2). A reel (6) is arranged inside the auxiliary block (4), and the reel (6) and the auxiliary block (4) are rotatably connected. The right end of the control rope (5) is wound around the surface of the reel (6), and the control rope (5) is retracted and released by the rotation of the reel (6). A rotation control mechanism is connected to the outside of the reel (6), and the rotation of the reel (6) is controlled to control the reeling and releasing of the control rope (5).

2. A packaging bag with a tie-opening function according to claim 1, characterized in that: Two groups of reel shafts (6) are arranged inside the auxiliary block (4), and the two groups of reel shafts (6) are arranged in a front-to-back symmetric shape with respect to the center of the auxiliary block (4), and the control ropes (5) on the two groups of reel shafts (6) are respectively connected to the two ends of the cinch rope (3).

3. A packaging bag with a tie-opening function according to claim 1 or 2, characterized in that: The rotation control mechanism comprises a torsion spring (7) and a locking mechanism; A torsion spring (7) is mounted on the end of the reel (6) to provide a rotational reset force for the reel (6), so that the reel (6) can reel in the control rope (5); A locking mechanism is arranged on the outside of the reel (6) to lock the rotation of the reel (6) and maintain the stability of the control rope (5).

4. A packaging bag with a drawstring function according to claim 3, characterized in that: The locking mechanism comprises a connecting shaft (8), a limiting plate (9) and a limiting mechanism; A connecting shaft (8) is fixed above the reel (6) and rotates synchronously with the reel (6); A limit plate (9) is fixed above the connecting shaft (8); The limiting mechanism is arranged on the outer side of the limiting disk (9) to lock the rotation of the limiting disk (9).

5. The packaging bag with a tie-opening function according to claim 4, characterized in that: The limiting mechanism comprises a limiting groove (10), a clamping block (11), a first return spring (12) and a moving mechanism; The limiting grooves (10) are provided at equal angles on the side of the limiting plate (9); A clamping block (11) is arranged on the outer side of the limiting groove (10) and between the limiting groove (10) to form a clamping structure, and a sliding connection is formed between the clamping block (11) and the auxiliary block (4); A first return spring (12), arranged on the outside of the clamping block (11) to provide a thrust for the clamping block (11); The moving mechanism is arranged at the inner end of the clamping block (11) to control the connection between the clamping block (11) and the limiting groove (10).

6. The packaging bag with a tie-opening function according to claim 5, characterized in that: The moving mechanism comprises a driving block (13), a squeezing block (14), a second return spring (15) and a control block (16); A driving block (13) fixed to the inner end of the clamping block (11); The extrusion block (14) is arranged on the inner side of the driving block (13), and an up-and-down sliding structure is formed between the extrusion block (14) and the auxiliary block (4), and the upper part of the extrusion block (14) is designed in an inclined structure; A second return spring (15) is arranged below the extrusion block (14) to provide an upward thrust for the extrusion block (14); The control block (16) is fixed above the extrusion block (14), and the upper end of the control block (16) penetrates the upper surface of the auxiliary block (4).

7. The packaging bag with a tie-opening function according to claim 6, characterized in that: The elastic force of the second return spring (15) is greater than the elastic force of the first return spring (12), and the second return spring (15) and the extrusion block (14) are fixedly connected.

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