Binding square plastic dustproof bag convenient to close up
By introducing an annular channel and a drawstring structure into the square plastic dust bag and combining it with a locking mechanism, the problem of inconvenient tape sealing in the prior art is solved, fast and stable bag opening closure is achieved, and the service life of the dust bag is extended.
Patent Information
- Application Number
- CN202422788705.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-15
AI Technical Summary
Existing square plastic dust bags require the use of tape when sealing, which is inconvenient and time-consuming to operate and difficult to seal efficiently.
A square plastic dust bag with an easy-to-close drawstring is designed. The bag adopts a ring channel, a drawstring and a pull ring structure. The bag opening is automatically closed by tightening the drawstring, and the locking mechanism maintains stability to prevent wear.
The quick sealing of the dustproof bag is achieved, the sealing efficiency is improved, the service life of the dustproof bag is extended, and dust and moisture are prevented from entering.
Smart Images
Figure CN223444187U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a dustproof bag, concretely to a square plastic dustproof bag convenient to close, belongs to dustproof packaging technical field. BACKGROUND
[0002] The square plastic dustproof bag usually refers to the plastic packaging bag with square bottom and closable top, which is designed to be suitable for dustproof and moistureproof, and is mainly used in material storage and transportation occasions, and is made of different types of plastic materials, such as PE (polyethylene), and has different characteristics, such as high pressure PE with high transparency, softness, low pressure PE with high strength, semi-transparency and stiffness, and the design of the square bottom bag allows it to stand stably, is convenient to store, and has an attractive appearance.
[0003] The square plastic dustproof bag is mostly open, and is directly covered outside the material during use to prevent dust from falling directly on the outside of the material, and when used for some materials that need to be closed, adhesive tape or other ways are needed to close the opening to prevent dust or humid gas from entering the inside, and although the adhesive tape can close the opening, it is very time-consuming and inconvenient to use. UTILITY MODEL CONTENTS
[0004] To solve the above problems, the utility model provides a square plastic dustproof bag convenient to close to solve the above problems, and the specific technical scheme is as follows:
[0005] A square plastic dustproof bag convenient to close, comprising a dustproof bag body, wherein an annular channel is formed in the inner side of the opening of the dustproof bag body, a drawstring is slidably connected to the inner wall of the annular channel, a locking mechanism is arranged on the outer side of the drawstring, and a pull ring is connected to the two ends of the drawstring.
[0006] Preferably, a slip ring is connected to the two ends of the annular channel, and the inner wall of the slip ring is slidably connected to the outer surface of the drawstring.
[0007] Preferably, the locking mechanism comprises a sliding seat, a slide is formed in the inner wall of the sliding seat, the inner wall of the slide is slidably connected to the outer surface of the drawstring, a pressing plate is slidably connected to the inner wall of the sliding seat, and one side of the pressing plate is in contact with the outer surface of the drawstring.
[0008] Preferably, a plurality of barbs are connected to one side of the pressing plate, and the plurality of barbs are arranged at equal distances, and the outer surface of the barb is in contact with the outer surface of the drawstring.
[0009] Preferably, a base is connected to the upper surface of the sliding seat, a supporting shaft is connected to the inner wall of the base, and a swing arm is rotatably connected to the outer surface of the supporting shaft.
[0010] Preferably, one end of the swing arm is connected with a sliding rod, and the lower surface of the swing arm is connected with a spring, and the other end of the spring is connected with the upper surface of the sliding seat.
[0011] Preferably, the inner side of the pressing plate is provided with a sliding groove, and the inner wall of the sliding groove is in sliding connection with the outer surface of the sliding rod.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] 1、the convenient closing of the mouth of the mouth square plastic dustproof bag is through the cooperation between the annular channel, the drawstring and the pull ring, the dustproof bag body has the space containing the drawstring through the annular channel, the drawstring is conveniently pulled to move the position through the pull ring, the abrasion of the drawstring to the hand is reduced, the opening of the dustproof cover body is reduced and closed through the drawstring tightening, the material in the dustproof cover body is in a completely independent space, the dust and humid gas outside are prevented from entering the dustproof cover inside, the opening of the dustproof cover body is closed through the drawstring, the efficiency of the dustproof bag body is improved.
[0014] 2、the convenient closing of the mouth of the mouth square plastic dustproof bag is through the cooperation between the sliding ring and the drawstring, and when the drawstring moves, the drawstring is contacted and abraded with the port of the annular channel through the sliding ring, the drawstring is prevented from being pulled back and forth to grind the dustproof bag body, and the service life of the dustproof bag body is improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the whole structure schematic diagram of the utility model;
[0016] Figure 2 It is the whole three-dimensional structure schematic diagram of the dustproof bag body in the utility model;
[0017] Figure 3 It is the whole three-dimensional structure schematic diagram of the dustproof bag body in the utility model Figure 2 It is the local enlarged structure schematic diagram of A place;
[0018] Figure 4 It is the sectional internal structure schematic diagram of the sliding seat in the utility model;
[0019] Figure 5 It is the whole three-dimensional structure schematic diagram of the sliding seat in the utility model.
[0020] BRIEF DESCRIPTION OF DRAWINGS: 1, dustproof bag body; 2, annular channel; 3, drawstring; 4, locking mechanism; 401, sliding seat; 402, slide; 403, pressing plate; 404, barb block; 405, base; 406, support shaft; 407, swing arm; 408, sliding rod; 409, spring; 410, sliding groove; 5, pull ring; 6, sliding ring. DETAILED DESCRIPTION
[0021] The utility model will be further described in connection with the drawings.
[0022] Please refer to Figures 1-5 A square plastic dustproof bag with a convenient closing opening, comprising a dustproof bag body 1, an annular channel 2 is formed in the inner side of the opening of the dustproof bag body 1, a pull rope 3 is slidably connected to the inner wall of the annular channel 2, the dustproof bag body 1 provides a space for the pull rope 3 through the annular channel 2, the pull rope 3 surrounds the dustproof bag body 1, and a pull ring 5 is connected to the two ends of the pull rope 3, so that the pull rope 3 can be moved by the pull ring 5, and the opening of the dustproof bag body 1 is closed by retracting the pull rope 3.
[0023] The two ends of the annular channel 2 are connected to a sliding ring 6, the inner wall of the sliding ring 6 is slidably connected to the outer surface of the pull rope 3, the sliding ring 6 prevents the pull rope 3 from contacting the port of the annular channel 2, and the pull rope 3 is prevented from being pulled back and forth to wear the dustproof bag body 1.
[0024] A locking mechanism 4 is arranged outside the pull rope 3, which limits the loosening of the pull rope 3 after retraction, maintains the stability of the pull rope 3, and the locking mechanism 4 comprises a sliding seat 401, a slide 402 is formed in the inner wall of the sliding seat 401, the inner wall of the slide 402 is slidably connected to the outer surface of the pull rope 3, a pressing plate 403 is slidably connected to the inner wall of the sliding seat 401, one side of the pressing plate 403 is in contact with the outer surface of the pull rope 3, the pull rope 3 has a space through the sliding seat 401 through the slide 402, and the pressing plate 403 is used for applying pressure to the pull rope 3 to limit the movement position of the pull rope 3.
[0025] A plurality of barbs 404 are connected to one side of the pressing plate 403, the plurality of barbs 404 are arranged at equal intervals, the outer surface of the barb 404 is in contact with the outer surface of the pull rope 3, the barb 404 increases the resistance of the pressing plate 403 to the pull rope 3, and the stability of the pressing plate 403 limiting the pull rope 3 is improved.
[0026] A base 405 is connected to the upper surface of the sliding seat 401, a support shaft 406 is connected to the inner wall of the base 405, a swing arm 407 is rotatably connected to the outer surface of the support shaft 406, the base 405 maintains the stability of the support shaft 406, the support shaft 406 provides support force for the swing arm 407 to rotate, the swing arm 407 swings to drive the pressing plate 403 to move up and down, and the pressing plate 403 moves up to be separated from the pull rope 3.
[0027] One end of the swing arm 407 is connected to a sliding rod 408, the lower surface of the swing arm 407 is connected to a spring 409, the other end of the spring 409 is connected to the upper surface of the sliding seat 401, the spring 409 provides elastic support force for the swing arm 407, and the swing arm 407 drives the sliding rod 408 to provide pressure for the pressing plate 403 through the pushing of the spring 409.
[0028] The inner side of the pressing plate 403 is provided with a sliding groove 410, the inner wall of the sliding groove 410 is in sliding connection with the outer surface of the sliding rod 408, the sliding groove 410 makes the sliding rod 408 have a moving position space, when the swing arm 407 drives the sliding rod 408 to move, the sliding rod 408 will have an angle difference with the pressing plate 403, and the sliding groove 410 makes the sliding rod 408 move to compensate the angle difference.
[0029] In use, the dustproof bag body 1 is sleeved on the outside of the material, and the material can also be placed in the dustproof bag body 1; according to the use requirement, one hand holds the sliding seat 401, and the swing arm 407 is pressed downward while holding the sliding seat 401; the swing arm 407 is further pressed downward to compress the spring 409, and the other end of the swing arm 407 is lifted up under the support of the base 405 and the support shaft 406; the swing arm 407 is lifted up to drive the sliding rod 408 to separate from the pull rope 3, so that the fixing of the pull rope 3 is released; then the other hand pulls the pull rope 3, the pull rope 3 is retracted to reduce the opening of the dustproof bag body 1, and the pull rope 3 is continuously pulled until the opening of the dustproof bag body 1 is completely closed; then the swing arm 407 is released to reset the pressing plate 403 and limit the movement of the pull rope 3.
[0030] The technical principles of the utility model are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the utility model, and cannot be interpreted as limiting the protection scope of the utility model in any way. Based on the explanations herein, other specific embodiments of the utility model can be conceived by those skilled in the art without creative labor, and these embodiments will all fall within the protection scope of the claims of the utility model.
Claims
1. A square plastic dust bag with a drawstring opening that is easy to close, comprising a dust bag body (1), characterized in that: The dust bag body (1) is provided with an annular channel (2) on the inner side of the opening, the inner wall of the annular channel (2) is slidably connected with a drawstring (3), the outside of the drawstring (3) is provided with a locking mechanism (4), and both ends of the drawstring (3) are connected with pull rings (5).
2. The square plastic dust bag with an easily closable opening according to claim 1, characterized in that: Both ends of the annular channel (2) are connected to a slip ring (6), and the inner wall of the slip ring (6) is slidably connected to the outer surface of the pull rope (3).
3. The square plastic dust bag with a drawstring opening that is easy to close according to claim 1, characterized in that: The locking mechanism (4) includes a slide seat (401), the inner wall of the slide seat (401) is provided with a slideway (402), the inner wall of the slideway (402) is slidably connected to the outer surface of the pull rope (3), the inner wall of the slide seat (401) is slidably connected to a pressure plate (403), and one side of the pressure plate (403) is in contact with the outer surface of the pull rope (3).
4. The square plastic dust bag with a drawstring opening that is easy to close according to claim 3, characterized in that: The pressure plate (403) is located on one side of the pull rope (3) and is connected to a plurality of barb blocks (404), and the plurality of barb blocks (404) are arranged at equal distances, and the outer surfaces of the barb blocks (404) are in contact with the outer surface of the pull rope (3).
5. The square plastic dust bag with a drawstring opening that is easy to close according to claim 3, characterized in that: The upper surface of the slide seat (401) is connected to a base (405), the inner wall of the base (405) is connected to a support shaft (406), and the outer surface of the support shaft (406) is rotatably connected to a swing arm (407).
6. The square plastic dust bag with a drawstring opening that is easy to close according to claim 5, characterized in that: One end of the swing arm (407) is connected to a slide rod (408), the lower surface of the swing arm (407) is connected to a spring (409), and the other end of the spring (409) is connected to the upper surface of the slide seat (401).
7. The square plastic dust bag with a drawstring opening that is easy to close according to claim 6, characterized in that: A sliding groove (410) is provided on the inner side of the pressing plate (403), and the inner wall of the sliding groove (410) is slidably connected to the outer surface of the sliding rod (408).