Left and right top stop structure capable of being interlocked
By designing an interlockable left and right upper stop structure on the zipper of the food packaging bag, the combination of triangle clamps and springs achieves automatic locking of the upper left and upper right stop blocks, which solves the insufficient resistance of the zipper to the left and horizontal tension of the left and right zippers Problem, improving the stability and convenience of zippers.
Patent Information
- Application Number
- CN202421303192.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-06-07
AI Technical Summary
The zippers of existing food packaging bags have poor resistance to left and right tension during use, which is prone to the problem of the zipper head being retracted by itself, resulting in inconvenience in use.
An interlockable left and right upper stop structure is designed. By setting the upper left stop block and the upper right stop block on the zipper belt, and using the coordination of the triangle clamp and spring, the automatic locking of the upper left stop block and the upper right stop block is achieved. Enhance the zipper's resistance to transverse tension.
It effectively avoids the problem of tension sliding opening caused by lateral tension, ensures the stability and convenience of use of the zipper, and also avoids the movement of the zipper head caused by intense movement.
Smart Images
Figure CN222443342U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of zippers, in particular to an interlocking left and right upper stop structure. Background Art
[0002] Food packaging is an integral part of food commodities and one of the main projects in the food industry. It protects food and prevents it from being damaged by biological, chemical, and physical external factors during the circulation process from the factory to the hands of consumers. It can also have the function of maintaining the stable quality of the food itself. It facilitates the consumption of food and is the first to show the appearance of food and attract consumers. It has value beyond material cost. Therefore, the food packaging process is also an inseparable part of the food manufacturing system engineering. In order to avoid the problem of leakage of food inside the existing food packaging bag during use, a sealing zipper is set at the opening position of the bag.
[0003] Generally, zippers are equipped with top stops. The main function of the top stop is to prevent the zipper head from being directly detached from the zipper after it is pulled to the top. In the traditional structure, top stops are provided on both the left and right zipper tapes. They are usually C-shaped metal blocks, which can provide a blocking function after the zipper is pulled to the top. However, they have poor resistance to left and right lateral pulling forces. Therefore, the zipper head often moves backwards by itself during movement, which causes certain inconveniences in use. In view of this, we propose an interlocking left and right top stop structure. Utility Model Content
[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide an interlockable left and right upper stop structure, which can solve the problem of poor resistance to left and right lateral pulling forces.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an interlockable left and right upper stop structure, comprising a first zipper tape and a second zipper tape, wherein the surfaces of the first zipper tape and the second zipper tape adjacent to each other are provided with sprocket teeth, and the surfaces of the first zipper tape and the second zipper tape adjacent to their rear ends are provided with a left upper stop block and a right upper stop block, respectively; a slot is provided on the left surface of the right upper stop block, a triangular card slot is provided on the top wall of the slot, a displacement slot is provided on the right surface of the left upper stop block, a card plate is slidably connected to the inner wall of the displacement slot, a triangular card block is fixedly connected to the upper surface of the card plate, a spring slot is provided on the bottom wall of the displacement slot, a spring is fixedly connected to the bottom wall of the spring slot, the upper end of the spring is fixedly connected to the lower surface of the card plate, and an unlocking component is provided on the card plate.
[0006] Preferably, the unlocking assembly includes a sliding rod, which is fixedly connected to the upper surface of the card plate, and the top walls of the displacement groove and the slot are both provided with semicircular grooves, and the sliding rod is adapted to the semicircular grooves.
[0007] Preferably, a zipper head is slidably connected to the chain teeth, and a transverse plate is fixedly connected to the upper surface of the zipper head.
[0008] Preferably, a disc is fixedly connected to the upper surface of the transverse plate, and a movement groove is provided on the upper surface of the disc.
[0009] Preferably, a pressing plate is slidably connected to the inner wall of the moving groove, and a second spring is fixedly connected to the lower surface of the pressing plate.
[0010] Preferably, the lower end of the second spring is fixedly connected to the bottom wall of the motion groove, and an oblique groove is provided on the rear side surface of the transverse plate.
[0011] Preferably, a telescopic groove is provided on the bottom wall of the movement groove, and the interior of the telescopic groove is communicated with the interior of the inclined groove.
[0012] Preferably, an unlocking column is fixedly connected to the lower surface of the pressing plate, and the unlocking column is slidably connected to the telescopic slot.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] (1) When the interlockable left and right upper stop structures are tightened, the subsequent components are used to bring the left upper stop block and the right upper stop block closer to each other. After the movement, the inclined surface of the triangular clamping block cooperates with the edge of the top wall of the slot to move the clamping plate downward, so that the clamping plate and the triangular clamping block enter the interior of the slot. After further movement, the triangular clamping block enters the interior of the triangular clamping slot, thereby locking the left upper stop block and the right upper stop block. At the same time, when the clamping plate moves downward, the spring is synchronously compressed, so that after the triangular clamping block is aligned with the triangular clamping slot, the elastic force of the spring can be used to push the triangular clamping block into the interior of the triangular clamping slot. Through the above structure, the left upper stop block and the right upper stop block can be automatically locked after they are close to each other, thereby avoiding the problem of pulling force sliding when a lateral pulling force is generated, causing discomfort to the user.
[0015] (2) The interlockable left and right upper stop structures drive the unlocking column to move and compress the second spring through the pressing plate. After the unlocking column moves, it squeezes the sliding rod, and the sliding rod is used to drive the card plate to move, and drive the triangular card block to disengage from the inside of the triangular card slot. Then, the zipper head can be pulled downward to separate the left upper stop block and the right upper stop block. Through the above structure, after the zipper head is pulled to the top, not only can the left upper stop block and the right upper stop block be locked, but the zipper head and the left upper stop block and the right upper stop block can also be locked together, so as to avoid the lateral pulling force from the left and right sides to open it, and also avoid the movement of the zipper head due to violent movement. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The present invention is further described below with reference to the accompanying drawings and embodiments:
[0017] Figure 1This is a schematic structural diagram of an interlockable left and right upper stop structure of the utility model;
[0018] Figure 2 It is a schematic diagram of the upper left stop block and the upper right stop block of the utility model;
[0019] Figure 3 It is a cross-sectional schematic diagram of the left upper stop block and the right upper stop block of the utility model;
[0020] Figure 4 The utility model is a schematic cross-sectional view of a zipper head.
[0021] Figure numerals: 1. first zipper tape; 2. second zipper tape; 3. sprocket; 4. upper left stop block; 5. upper right stop block; 6. slot; 7. triangular card slot; 8. displacement slot; 9. card plate; 10. triangular card block; 11. spring slot; 12. spring; 13. sliding rod; 14. semicircular slot; 15. zipper head; 16. horizontal plate; 17. disc; 18. motion slot; 19. pressing plate; 20. second spring; 21. oblique slot; 22. telescopic slot; 23. unlocking column. DETAILED DESCRIPTION
[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.
[0023] See also Figure 1-4The utility model provides a technical solution: an interlockable left and right upper stop structure, including a first zipper tape 1 and a second zipper tape 2, a sprocket 3 is respectively arranged on the side surfaces close to the first zipper tape 1 and the second zipper tape 2, a left upper stop block 4 and a right upper stop block 5 are respectively arranged on the side surfaces close to the rear ends of the first zipper tape 1 and the second zipper tape 2, a slot 6 is provided on the left surface of the right upper stop block 5, a triangular card slot 7 is provided on the top wall of the slot 6, a displacement slot 8 is provided on the right surface of the left upper stop block 4, a card plate 9 is slidably connected to the inner wall of the displacement slot 8, a triangular card block 10 is fixedly connected to the upper surface of the card plate 9, a spring slot 11 is provided on the bottom wall of the displacement slot 8, a spring 12 is fixedly connected to the bottom wall of the spring slot 11, the upper end of the spring 12 is fixedly connected to the lower surface of the card plate 9, and an unlocking When tightening the assembly, the subsequent assembly is used to make the upper left stop block 4 and the upper right stop block 5 approach each other. After moving, the inclined surface of the triangular clamping block 10 cooperates with the edge of the top wall of the slot 6 to make the clamping plate 9 move downward, so that the clamping plate 9 and the triangular clamping block 10 enter the interior of the slot 6. After continuing to move, the triangular clamping block 10 enters the interior of the triangular clamping slot 7, and then the upper left stop block 4 and the upper right stop block 5 are locked. At the same time, when the clamping plate 9 moves downward, the spring 12 will be compressed synchronously, so that after the triangular clamping block 10 is aligned with the triangular clamping slot 7, the elastic force of the spring 12 can be used to push the triangular clamping block 10 into the interior of the triangular clamping slot 7. Through the above structure, the upper left stop block 4 and the upper right stop block 5 can be automatically locked after they are close to each other, thereby avoiding the problem of pulling force sliding when lateral pulling force is generated, causing discomfort to the user.
[0024] Furthermore, the unlocking assembly includes a sliding rod 13, which is fixedly connected to the upper surface of the card plate 9, and the top walls of the displacement groove 8 and the slot 6 are both provided with a semicircular groove 14, the sliding rod 13 is adapted to the semicircular groove 14, and a zipper head 15 is slidably connected to the chain tooth 3, and a horizontal plate 16 is fixedly connected to the upper surface of the zipper head 15, and a disc 17 is fixedly connected to the upper surface of the horizontal plate 16, and a motion groove 18 is provided on the upper surface of the disc 17, and a pressing plate is slidably connected to the inner wall of the motion groove 18 19, a second spring 20 is fixedly connected to the lower surface of the pressing plate 19, and the lower end of the second spring 20 is fixedly connected to the bottom wall of the moving groove 18, an oblique groove 21 is opened on the rear side surface of the horizontal plate 16, and a telescopic groove 22 is opened on the bottom wall of the moving groove 18, and the interior of the telescopic groove 22 is communicated with the interior of the oblique groove 21, and an unlocking column 23 is fixedly connected to the lower surface of the pressing plate 19, and the unlocking column 23 is slidably connected to the telescopic groove 22, and after the zipper head 15 moves, the sliding rod will be squeezed by the oblique groove 21 When the zipper is unlocked, the unlocking post 23 is driven by the pressing plate 19 to move and compress the second spring 20. After the unlocking post 23 moves, the sliding rod 13 is squeezed, the card plate 9 is driven by the sliding rod 13 to move, and the triangular card block 10 is driven to separate from the triangular card groove 7. Then, the zipper head 15 is pulled downward to separate the left upper stop block 4 and the right upper stop block 5. Through the above structure, after the zipper head 15 is pulled to the top, not only the left upper stop block 4 and the right upper stop block 5 can be locked, but also the zipper head 15 and the left upper stop block 4 and the right upper stop block 5 can be locked together, so as to prevent the zipper head 15 from moving due to the lateral pulling force to the left and right sides.
[0025] Working principle: when tightening, the subsequent components are used to make the upper left stop block 4 and the upper right stop block 5 approach each other. After moving, the inclined surface of the triangular card block 10 cooperates with the edge of the top wall of the slot 6 to make the card plate 9 move downward, so that the card plate 9 and the triangular card block 10 enter the interior of the slot 6. After continuing to move, the triangular card block 10 enters the interior of the triangular card slot 7, and then the upper left stop block 4 and the upper right stop block 5 are locked. At the same time, when the card plate 9 moves downward, the spring 12 is compressed synchronously, so that after the triangular card block 10 is aligned with the triangular card slot 7, the elastic force of the spring 12 can be used to push the triangular card block 10 into the interior of the triangular card slot 7. After the zipper head 15 moves, the inclined surface of the triangular card block 10 will cooperate with the edge of the top wall of the slot 6 to make the card plate 9 and the triangular card block 10 enter the interior of the triangular card slot 7. The slot 21 squeezes the sliding rod 13 to make it descend, and then continues to move the sliding rod 13 into the interior of the telescopic slot 22. Under the action of the spring 12, the sliding rod 13 is restored. At this point, the upper left stop block 4 and the upper right stop block 5 are locked with each other, and the zipper head 15 is also locked to prevent it from moving downward and causing the zipper to open. When unlocking is required, the unlocking column 23 is driven by the pressing plate 19 to move and compress the second spring 20. After the unlocking column 23 moves, it squeezes the sliding rod 13, and the sliding rod 13 is used to drive the card plate 9 to move, and drive the triangular card block 10 to disengage from the interior of the triangular card slot 7. Then, the zipper head 15 is pulled downward to separate the upper left stop block 4 and the upper right stop block 5.
[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.
Claims
1. An interlockable left and right top stop structure, comprising a first zipper tape (1) and a second zipper tape (2), characterized in that: The surfaces of the first zipper tape (1) and the second zipper tape (2) are respectively provided with sprocket teeth (3); the surfaces of the first zipper tape (1) and the second zipper tape (2) are respectively provided with a left upper stop block (4) and a right upper stop block (5); a slot (6) is provided on the left surface of the right upper stop block (5); a triangular card slot (7) is provided on the top wall of the slot (6); a displacement slot (8) is provided on the right surface of the left upper stop block (4); a card plate (9) is slidably connected to the inner wall of the displacement slot (8); a triangular card block (10) is fixedly connected to the upper surface of the card plate (9); a spring slot (11) is provided on the bottom wall of the displacement slot (8); a spring (12) is fixedly connected to the bottom wall of the spring slot (11); the upper end of the spring (12) is fixedly connected to the lower surface of the card plate (9); an unlocking component is provided on the card plate (9).
2. The interlockable left and right top stop structure according to claim 1, characterized in that: The unlocking assembly comprises a sliding rod (13), the sliding rod (13) is fixedly connected to the upper surface of the card plate (9), the top walls of the displacement groove (8) and the slot (6) are both provided with a semicircular groove (14), and the sliding rod (13) is adapted to the semicircular groove (14).
3. The interlockable left and right top stop structure according to claim 1, characterized in that: A zipper head (15) is slidably connected to the chain teeth (3), and a transverse plate (16) is fixedly connected to the upper surface of the zipper head (15).
4. The interlockable left and right top stop structure according to claim 3, characterized in that: A disc (17) is fixedly connected to the upper surface of the transverse plate (16), and a movement groove (18) is provided on the upper surface of the disc (17).
5. The interlockable left and right top stop structure according to claim 4, characterized in that: The inner wall of the moving groove (18) is slidably connected to a pressing plate (19), and the lower surface of the pressing plate (19) is fixedly connected to a second spring (20).
6. The interlockable left and right top stop structure according to claim 5, characterized in that: The lower end of the second spring (20) is fixedly connected to the bottom wall of the moving groove (18), and an inclined groove (21) is provided on the rear side surface of the transverse plate (16).
7. The interlockable left and right top stop structure according to claim 6, characterized in that: The bottom wall of the movement groove (18) is provided with a telescopic groove (22), and the interior of the telescopic groove (22) is communicated with the interior of the inclined groove (21).
8. The interlockable left and right top stop structure according to claim 5, characterized in that: An unlocking column (23) is fixedly connected to the lower surface of the pressing plate (19), and the unlocking column (23) is slidably connected to the telescopic slot (22).