Closing plastic woven bag
By designing a closing zipper, a reinforcing belt, a fastening mechanism and an adjustment mechanism on the plastic woven bag, the problem of the plastic woven bag being loose and tilted when there are fewer items in it is solved, and the bag is tightly closed and easy to carry.
Patent Information
- Application Number
- CN202423104417.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-10-14
- Estimated Expiration
- 2034-12-16
AI Technical Summary
Existing plastic woven bags tend to become loose when there are fewer items in them, and are severely deformed when carried. In addition, items inside are easily accumulated, causing the bag to tilt, making it difficult to carry conveniently.
A zipper is installed at the opening of the plastic woven bag, and reinforcement strips are sewn on the edges of the outer walls on both sides of the bag body. The bag body is tightened in the length and width directions through a fastening mechanism and an adjustment mechanism, including the coordination of a rotating cover, a spring pin, ratchets and pawls, and the design of a tightening rope and an anti-ball dropout mechanism.
The bag body is tightly closed to avoid sagging and tilting, thereby improving the convenience and stability of carrying.
Smart Images

Figure CN223432682U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic woven bags, in particular to a closed-end plastic woven bag. Background Art
[0002] Woven bags, also known as snakeskin bags, are a type of plastic bag. They are made of polypropylene (PP) as the main raw material. They are extruded and stretched into flat yarns, and then woven, braided, and bag-made. They are often rectangular structures. The openings of current plastic woven bags are all closed by zippers. When there are fewer items inside the woven bag, the woven bag as a whole appears very loose and is severely deformed when carried. The items inside are easily accumulated on one side of the woven bag, causing the woven bag to tilt and be difficult to carry. Utility Model Content
[0003] In view of the above-mentioned technical deficiencies, the purpose of this utility model is to provide a closed-end plastic woven bag.
[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions: the present invention provides a closed-end plastic woven bag, comprising a bag body, a closed-end zipper installed at the opening of the bag body, reinforcement bands fixedly sewn on the edges of the outer walls on both sides of the bag body, a fixing box fixedly installed on the top of the reinforcement band on one side of the bag body, a tensioning band fixedly sewn on the top of the reinforcement band on the other side of the bag body, a fastening mechanism installed between the tensioning band and the fixing box, and an adjustment mechanism installed between the outer walls of the reinforcement band.
[0005] Preferably, the fastening mechanism includes a rotating cover, one end of the fixed box is hinged to one end of the rotating cover, a spring pin is installed on the outer wall of the other end of the fixed box, a connecting plate is fixedly installed on the outer wall of the other end of the rotating cover, the connecting plate is clamped with the spring pin, the tensioning belt is slidably clamped into the inner cavity of the fixed box, a plurality of ratchets are fixedly installed on the outer wall of the tensioning belt close to the rotating cover, a plurality of receiving grooves are opened on the inner wall of the rotating cover, a fixed shaft is fixedly installed in the receiving groove, a ratchet is rotatably sleeved on the fixed shaft, and the ratchet engages with the ratchet.
[0006] Preferably, the end surface of the spring pin shaft away from the fixed box is a hemispherical structure, a pin hole is opened on the connecting plate, the spring pin shaft is engaged with the pin hole, and the inner wall of the connecting plate away from the rotating cover is an inclined structure.
[0007] Preferably, a torsion spring is installed between the pawl and the fixed shaft, the top surface of the pawl and the bottom surface of the ratchet are inclined structures, and the bottom surface of the pawl and the top surface of the ratchet are flat structures.
[0008] Preferably, the adjustment mechanism includes a fixed ring, a plurality of fixed rings are fixedly installed on the outer wall of the reinforcement belt, a tensioning rope is slidably sleeved between the fixed rings, and anti-dropping balls are fixedly installed at both ends of the tensioning rope.
[0009] Preferably, the tensioning ropes are staggered along the fixing ring and interlaced to form a plurality of diamond structures, and the diameter of the anti-dropping ball is larger than the inner diameter of the fixing ring.
[0010] The beneficial effects of the present invention are:
[0011] 1. Pull the tension rope at the anti-ball-dropping part. The tension rope pulls the reinforcement belt through multiple fixing rings, so that the reinforcement belts are close to each other. Then tie and fix the tension rope at the anti-ball-dropping part to tighten the bag in the length direction.
[0012] 2. When the tensioning belt passes through the fixing box, the ratchet contacts the inclined surface of the pawl, and the pawl is pressed into the receiving groove, which makes it easier to tighten the tensioning belt. After tightening, the pawl contacts the flat surface of the ratchet, so that the tensioning belt cannot be pulled out of the fixing box, thereby tightening the bag in the width direction and improving the closing effect;
[0013] 3. The bag fits the items after being tightened, avoiding looseness and tilting when carrying, making it easy to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0015] Figure 1 The present invention provides a structural schematic diagram of a closed-end plastic woven bag provided in an embodiment of the present invention.
[0016] Figure 2 This is a structural diagram of the fastening mechanism of the utility model.
[0017] Figure 3 For this utility model Figure 1 Enlarged structural diagram at point A in the middle.
[0018] Explanation of the accompanying reference numerals: 1. Bag body; 2. Closing zipper; 3. Reinforcement belt; 4. Tension belt; 5. Fixing box; 6. Fastening mechanism; 61. Rotating cover; 62. Spring pin; 63. Connecting plate; 64. Storage slot; 65. Fixed shaft; 66. Pawl; 67. Ratchet; 7. Adjustment mechanism; 71. Fixing ring; 72. Tension rope; 73. Anti-ball falling. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0020] Example: Figures 1-3 As shown, the utility model provides a closed-end plastic woven bag, comprising a bag body 1, a closed-end zipper 2 installed at the opening of the bag body 1, reinforcement bands 3 fixedly sewn to the edges of the outer walls of both sides of the bag body 1, a fixing box 5 fixedly installed on the top of the reinforcement band 3 on one side of the bag body 1, and a tensioning band 4 fixedly sewn to the top of the reinforcement band 3 on the other side of the bag body 1, a fastening mechanism 6 installed between the tensioning band 4 and the fixing box 5, and an adjustment mechanism 7 installed between the outer walls of the reinforcement band 3. When items are loaded into the bag body 1, the opening of the bag body 1 is closed by the closed-end zipper 2, and then the tensioning band 4 is extended into the fixing box 5. By pulling the tensioning band 4, the reinforcement bands 3 on both sides of the bag body 1 compress the bag body 1, and the tensioning band 4 is fixed by the fastening mechanism 6. Then, the bag body 1 is compressed in the length direction by the adjustment mechanism 7, so that the bag body 1 keeps in close contact with the items on the inner wall, avoiding looseness, and improving the closing effect.
[0021] Furthermore, the fastening mechanism 6 includes a rotating cover 61, one end of the fixed box 5 is hinged to one end of the rotating cover 61, a spring pin 62 is installed on the outer wall of the other end of the fixed box 5, a connecting plate 63 is fixedly installed on the outer wall of the other end of the rotating cover 61, the connecting plate 63 is clamped with the spring pin 62, the tensioning belt 4 is slidably clamped to the inner cavity of the fixed box 5, a plurality of ratchets 67 are fixedly installed on the outer wall of the tensioning belt 4 close to the rotating cover 61, a plurality of receiving grooves 64 are opened on the inner wall of the rotating cover 61, a fixed shaft 65 is fixedly installed in the receiving groove 64, a ratchet 66 is rotatably sleeved on the fixed shaft 65, the ratchet 66 engages the ratchet 67, and the ratchet 66 is fixed with the fixed A torsion spring is installed between the shafts 65, and the top surface of the pawl 66 and the bottom surface of the ratchet 67 are inclined structures, and the bottom surface of the pawl 66 and the top surface of the ratchet 67 are flat structures. When the tensioning belt 4 passes through the fixed box 5, the ratchet 67 contacts the inclined surface of the pawl 66, and the pawl 66 is pressed into the receiving groove 64, which is convenient for tightening the tensioning belt 4. After tightening, the pawl 66 contacts the flat surface of the ratchet 67, so that the tensioning belt 4 cannot be pulled out of the fixed box 5. The operation is simple. Press the spring pin 62 to disengage it from the connecting plate 63 to open the rotating cover 61. The pawl 66 disengages from the ratchet 67, and the tensioning belt 4 can be loosened, making it convenient to take and put items.
[0022] Further, the pin shaft of the spring pin 62 is provided with a hemispherical structure at one end away from the fixed box 5, the connecting plate 63 is provided with a pin hole, the pin shaft of the spring pin 62 is clamped in the pin hole, the inner wall of the end of the connecting plate 63 away from the rotating cover 61 is provided with an inclined structure, when the rotating cover 61 is closed, the hemispherical end of the pin shaft of the spring pin 62 is pressed by the inclined surface of the connecting plate 63, so that the spring pin 62 is pressed into the fixed box 5, and the connecting plate 63 is clamped with the spring pin 62 quickly.
[0023] The adjusting mechanism 7 comprises a plurality of fixed rings 71, the outer wall of the reinforcing belt 3 is fixedly installed with the plurality of fixed rings 71, the tensioning rope 72 is slidably sleeved between the fixed rings 71, the both ends of the tensioning rope 72 are fixedly installed with the anti-dropping balls 73, the tensioning rope 72 is staggered distributed along the fixed rings 71, and the tensioning rope 72 is inserted to form a plurality of diamond structures, the diameter of the anti-dropping ball 73 is greater than the inner diameter of the fixed ring 71, the tensioning rope 72 at the anti-dropping ball 73 is pulled, the tensioning rope 72 pulls the reinforcing belt 3 through the plurality of fixed rings 71, so that the reinforcing belt 3 is close to each other, then the tensioning rope 72 at the anti-dropping ball 73 is bound and fixed, and the length direction of the bag body 1 is tightened.
[0024] In use, when the articles are loaded into the bag body 1, the opening of the bag body 1 is closed by the closing zipper 2, the tensioning rope 72 at the anti-dropping ball 73 is pulled, the tensioning rope 72 pulls the reinforcing belt 3 through the plurality of fixed rings 71, so that the reinforcing belt 3 is close to each other, then the tensioning rope 72 at the anti-dropping ball 73 is bound and fixed, and the length direction of the bag body 1 is tightened, when the tightening belt 4 passes through the fixed box 5, the inclined surface of the ratchet 66 is in contact with the ratchet 67, the ratchet 66 is pressed into the storage groove 64, the tightening belt 4 is tightened, after the tightening, the plane of the ratchet 67 is in contact with the ratchet 66, so that the tightening belt 4 cannot be pulled out of the fixed box 5, thereby the width direction of the bag body 1 is tightened, the closing effect is improved, the rotating cover 61 is opened by pressing the spring pin 62 to make it separate from the connecting plate 63, the ratchet 66 is separated from the ratchet 67, the tightening belt 4 can be loosened, and the articles are taken out or put in.
[0025] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application belong to the scope of the claims of the present application and the equivalent technologies thereof, the present application also intends to include these modifications and variations.
Claims
1. A closed-end plastic woven bag, comprising a bag body (1), characterized in that: A closing zipper (2) is installed at the opening of the bag body (1), and reinforcement belts (3) are fixedly sewn to the edges of the outer walls of both sides of the bag body (1). A fixing box (5) is fixedly installed on the top of the reinforcement belt (3) on one side of the bag body (1), and a tensioning belt (4) is fixedly sewn to the top of the reinforcement belt (3) on the other side of the bag body (1). A fastening mechanism (6) is installed between the tensioning belt (4) and the fixing box (5), and an adjustment mechanism (7) is installed between the outer walls of the reinforcement belt (3).
2. The closed-end plastic woven bag according to claim 1, characterized in that: The fastening mechanism (6) includes a rotating cover (61), one end of the fixed box (5) is hinged to one end of the rotating cover (61), a spring pin (62) is installed on the outer wall of the other end of the fixed box (5), a connecting plate (63) is fixedly installed on the outer wall of the other end of the rotating cover (61), the connecting plate (63) is clamped with the spring pin (62), the tensioning belt (4) is slidably clamped in the inner cavity of the fixed box (5), a plurality of ratchets (67) are fixedly installed on the outer wall of the tensioning belt (4) close to the rotating cover (61), a plurality of receiving grooves (64) are opened on the inner wall of the rotating cover (61), a fixed shaft (65) is fixedly installed in the receiving groove (64), a ratchet (66) is rotatably sleeved on the fixed shaft (65), and the ratchet (66) engages with the ratchet (67).
3. The closed-end plastic woven bag according to claim 2, characterized in that: The end surface of the spring pin (62) away from the fixed box (5) is a hemispherical structure, the connecting plate (63) is provided with a pin hole, the pin of the spring pin (62) is engaged with the pin hole, and the inner wall of the end of the connecting plate (63) away from the rotating cover (61) is an inclined structure.
4. The closed-end plastic woven bag according to claim 2, characterized in that: A torsion spring is installed between the pawl (66) and the fixed shaft (65), the top surface of the pawl (66) and the bottom surface of the ratchet (67) are inclined structures, and the bottom surface of the pawl (66) and the top surface of the ratchet (67) are planar structures.
5. The closed-end plastic woven bag according to claim 1, characterized in that: The adjustment mechanism (7) comprises a fixing ring (71), a plurality of fixing rings (71) are fixedly mounted on the outer wall of the reinforcement belt (3), a tensioning rope (72) is slidably sleeved between the fixing rings (71), and anti-dropping balls (73) are fixedly mounted on both ends of the tensioning rope (72).
6. The closed-end plastic woven bag according to claim 5, characterized in that: The tensioning ropes (72) are staggered and distributed along the fixing ring (71), and the tensioning ropes (72) are interlaced to form a plurality of diamond-shaped structures. The diameter of the anti-falling ball (73) is larger than the inner diameter of the fixing ring (71).