Replaceable zipper

By designing a replaceable zipper structure and utilizing the interlocking relationship between the folded upper wing plate and the locking block, the zipper head can be easily replaced, solving the problem that the existing zipper head replacement process is cumbersome and easily damages clothing, thus achieving efficient replacement and low-cost maintenance.

CN224112224UActive Publication Date: 2026-04-14DONGGUAN YUYANG TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DONGGUAN YUYANG TECHNOLOGY CO LTD
Filing Date
2025-06-04
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

The existing zipper pull replacement process is cumbersome and can easily damage clothing; existing technical solutions have failed to effectively solve this problem.

Method used

Design a replaceable zipper structure that allows for easy replacement of the zipper head through the interlocking relationship between the folded upper wing plate and the locking block. Utilize components such as springs and push rods to fix and release the connectors, avoiding direct engagement of the zipper teeth.

Benefits of technology

It improves the efficiency of zipper head replacement, reduces the risk of damage to clothing, and lowers maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a replaceable zipper which comprises a lower wing plate, the upper surface of the lower wing plate is fixedly connected with a connecting base, the two sides of the upper portion of the connecting base are fixedly connected with connecting blocks, the inner surfaces of the connecting blocks are fixedly connected with a fixing shaft, the two ends of the fixing shaft are rotationally connected with upper wing plates, and the upper wing plates are fixedly connected with the lower wing plate. A zipper strip is connected between the upper wing plate and the lower wing plate in a clamped mode, a connecting piece is rotationally connected to the upper surface of the connecting base, a second clamping block is driven to move through control over an adjusting block to achieve fixing and releasing of the upper wing plate, the upper wing plate of the zipper head can be turned over conveniently, and therefore buckling of zipper teeth is canceled, and the zipper head is convenient to use. The zipper head can be conveniently taken down for replacement, the replacement efficiency is improved, meanwhile, clothes are prevented from being damaged, through the arrangement of the push rod, the first spring and the first clamping block, the connecting piece can be conveniently fixed and released, the connecting piece can be conveniently turned over and opened, the pulling piece can be conveniently replaced, and the maintenance cost of the zipper head is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of zipper technology, and in particular to a replaceable zipper. Background Technology

[0002] A zipper is a sliding fastener used to connect or separate openings of clothing, bags, tents, and other items. It works by sliding the zipper head, which causes the zipper teeth to engage or disengage, thereby opening and closing the opening. With its convenience, durability, and versatility, zipper has become an indispensable accessory in modern life.

[0003] During use, the zipper head, a core component of zippers, may malfunction due to wear, deformation, or human damage over time. However, the existing assembly structure of zipper heads and zipper teeth is usually a closed design. When the zipper head needs to be replaced, the upper or lower limit codes at both ends of the zipper must be removed, or the zipper head must be forcibly removed from the end of the zipper. This may even require damaging the fabric structure of clothing, bags, or other carriers. The operation is cumbersome and can easily damage the carrier. After searching, it was found that the technical solution provided by the utility model application with application number CN202223287910.1 also has the above-mentioned problems. Utility Model Content

[0004] The purpose of this invention is to provide a replaceable zipper that allows the upper flap of the zipper head to be folded over, thereby eliminating the need to fasten the zipper teeth and making it easy to remove the zipper head for replacement. This improves replacement efficiency while preventing damage to clothing.

[0005] To achieve the above objectives, a replaceable zipper is provided, comprising: a lower wing plate, a connecting seat fixedly connected to the upper surface of the lower wing plate, connecting blocks fixedly connected to the upper two sides of the connecting seat, a fixing shaft fixedly connected to the inner surface of the connecting blocks, an upper wing plate rotatably connected to both ends of the fixing shaft, a zipper strip engaging between the upper wing plate and the lower wing plate, a connecting member rotatably connected to the upper surface of the connecting seat, and a pull tab sleeved on the outer surface of the connecting member;

[0006] A first spring is fixedly connected to the inner wall of the bottom front end of the connector. A first locking block is fixedly connected to the front end of the first spring. A push rod is rotatably connected to the upper front surface of the first locking block. A movable cavity is provided inside the upper wing plate. A second spring is fixedly connected to the outer wall of the movable cavity. An adjusting block is fixedly connected to the end of the second spring away from the movable cavity. An adjusting rod is rotatably connected to the side of the adjusting block away from the second spring. A second locking block is rotatably connected to the end of the adjusting rod away from the adjusting block. A connecting rod is fixedly connected to the upper surface of the adjusting block. An adjusting plate is fixedly connected to the upper end of the connecting rod.

[0007] According to the replaceable zipper, the upper surface of the connecting seat is provided with a first slot, the inner surface of the first slot engages with a first block, so that the first block can be connected to the first slot, and the connection and release between the connector and the connecting seat can be realized through the connection relationship between the first block and the first slot.

[0008] According to the replaceable zipper, the connecting seat is provided with second slots on both sides, and the inner surface of the second slot engages with the second block, so that the second block and the second slot can be connected. The connection and release between the upper wing plate and the connecting seat can be realized through the connection relationship between the second block and the second slot.

[0009] According to the replaceable zipper, the front surface of the connector is provided with a storage groove, the inner surface of the storage groove slides with the push rod, which facilitates the retraction of the push rod and improves the appearance of the zipper head.

[0010] According to the replaceable zipper, the outer surface of the first locking block is slidably connected to the connector, and the outer surface of the push rod is slidably connected to the connector.

[0011] According to the replaceable zipper, the upper surface of the upper wing plate is provided with a groove, and the inner surface of the groove is slidably connected to the adjusting plate.

[0012] According to the replaceable zipper, the upper and lower sides of the second card block are fixedly connected to limit blocks, and the upper and lower sides of the movable cavity are provided with limit grooves. The inner surface of the limit groove is slidably connected to the limit block to restrict and guide the movement of the second card block, thereby improving the stability of the second card block.

[0013] According to the replaceable zipper, the outer surface of the connecting rod is slidably connected to the upper wing plate, and the outer surface of the adjusting block is slidably connected to the movable cavity.

[0014] The above-mentioned solution has the following beneficial effects:

[0015] By controlling the adjusting block to move the second locking block, the upper wing plate can be fixed and released, making it easy to fold the upper wing plate of the zipper head, thereby canceling the fastening of the zipper teeth, making it easy to remove the zipper head for replacement, improving replacement efficiency while preventing damage to clothing.

[0016] The push rod, the first spring, and the first locking block facilitate the fixing and releasing of the connector, make it easy to flip and open the connector, make it easy to replace the pull tab, and reduce the maintenance cost of the zipper head.

[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0019] Figure 1 This is an overall structural diagram of a replaceable zipper according to the present invention;

[0020] Figure 2 This is a cross-sectional schematic diagram of a replaceable zipper head connector according to the present invention.

[0021] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0022] Figure 4 This is a schematic cross-sectional view of the movable cavity of a replaceable zipper according to the present invention;

[0023] Figure 5 for Figure 4 Enlarged view of point B in the middle;

[0024] Figure 6 This is a cross-sectional schematic diagram of the adjustable rod of a replaceable zipper according to the present invention.

[0025] Figure 7 for Figure 6 Enlarged view of point C in the middle;

[0026] Legend:

[0027] 1. Lower wing plate; 2. Connecting seat; 3. Connecting block; 4. Fixed shaft; 5. Upper wing plate; 6. Zipper strip; 7. Connector; 8. Pull tab; 9. First spring; 10. First locking block; 11. Push rod; 12. First locking groove; 13. Second spring; 14. Adjusting block; 15. Adjusting rod; 16. Second locking block; 17. Connecting rod; 18. Adjusting plate; 19. Movable cavity; 20. Limiting groove; 21. Limiting block; 22. Storage groove; 23. Slide groove; 24. Second locking groove. Detailed Implementation

[0028] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0029] Reference Figure 1-7This utility model provides a replaceable zipper, comprising: a lower wing plate 1, a connecting seat 2 fixedly connected to the upper surface of the lower wing plate 1, second slots 24 provided on both sides of the connecting seat 2, a first slot 12 provided on the upper surface of the connecting seat 2, connecting blocks 3 fixedly connected to the upper two sides of the connecting seat 2, a fixing shaft 4 fixedly connected to the inner surface of the connecting block 3, an upper wing plate 5 rotatably connected to both ends of the fixing shaft 4, a zipper strip 6 engaging between the upper wing plate 5 and the lower wing plate 1, a connecting member 7 rotatably connected to the upper surface of the connecting seat 2, a storage groove 22 provided on the front surface of the connecting member 7, and a pull tab 8 sleeved on the outer surface of the connecting member 7.

[0030] A first spring 9 is fixedly connected to the inner wall of the bottom front end of the connector 7. A first locking block 10 is fixedly connected to the front end of the first spring 9. The inner surface of the first locking groove 12 engages with the first locking block 10. A push rod 11 is rotatably connected to the upper front surface of the first locking block 10. The outer surface of the first locking block 10 is slidably connected to the connector 7. The outer surface of the push rod 11 slides with the connector 7. The inner surface of the storage groove 22 slides with the push rod 11. A movable cavity 19 is provided inside the upper wing plate 5. The outer surface of the connecting rod 17 is slidably connected to the upper wing plate 5. The outer surface of the adjusting block 14 is slidably connected to the movable cavity 19. Limiting blocks 21 are fixedly connected to the upper and lower sides of the second locking block 16. Limiting grooves 20 are provided on the upper and lower sides of the movable cavity 19. The inner surface of the limiting groove 20... The surface is slidably connected to the limiting block 21, which facilitates the guidance and restriction of the movement of the second locking block 16 and improves the stability of the movement of the second locking block 16. The outer wall of the movable cavity 19 is fixedly connected to the second spring 13. The end of the second spring 13 away from the movable cavity 19 is fixedly connected to the adjusting block 14. The side of the adjusting block 14 away from the second spring 13 is rotatably connected to the adjusting rod 15. The end of the adjusting rod 15 away from the adjusting block 14 is rotatably connected to the second locking block 16. The inner surface of the second locking groove 24 engages with the second locking block 16. The upper surface of the adjusting block 14 is fixedly connected to the connecting rod 17. The upper end of the connecting rod 17 is fixedly connected to the adjusting plate 18. The upper surface of the upper wing plate 5 is provided with a sliding groove 23. The inner surface of the sliding groove 23 is slidably connected to the adjusting plate 18.

[0031] Working principle: When the zipper head needs to be replaced, push the adjusting plate 18 outward along the slide groove 23. This, via the connecting rod 17, causes the adjusting block 14 to move outward. The movement of the adjusting block 14 causes the end of the adjusting rod 15 away from the adjusting block 14 to retract inward, which in turn causes the second locking block 16 to retract inward and disengage from the movable cavity 19. This releases the fixation on the upper wing plate 5. Rotating the upper wing plate 5 upward about the fixed shaft 4 allows the zipper head to separate from the zipper strip 6, allowing the new zipper head to be attached to the zipper strip 6. Connect the upper wing plate 5 and cover it to make the second locking block 16 engage with the movable cavity 19 to fix the upper wing plate 5. The zipper 6 is then locked in place by the upper wing plate 5 and the lower wing plate 1 to complete the replacement. When the pull tab 8 needs to be replaced, pull the push rod 11 out from the storage slot 22 so that it is horizontal with the top of the first locking block 10. Press the push rod 11 into the connector 7 to move the first locking block 10 and separate it from the first slot 12. Then the connector 7 can be rotated to open it, making it easy to replace the pull tab 8.

[0032] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A replaceable zipper, comprising: The lower wing plate (1) is characterized in that a connecting seat (2) is fixedly connected to the upper surface of the lower wing plate (1), connecting blocks (3) are fixedly connected to the upper two sides of the connecting seat (2), a fixing shaft (4) is fixedly connected to the inner surface of the connecting block (3), an upper wing plate (5) is rotatably connected to both ends of the fixing shaft (4), a zipper strip (6) is engaged between the upper wing plate (5) and the lower wing plate (1), a connector (7) is rotatably connected to the upper surface of the connecting seat (2), and a pull tab (8) is sleeved on the outer surface of the connector (7). A first spring (9) is fixedly connected to the inner wall of the bottom of the front end of the connector (7). A first locking block (10) is fixedly connected to the front end of the first spring (9). A push rod (11) is rotatably connected to the upper front surface of the first locking block (10). An movable cavity (19) is provided inside the upper wing plate (5). A second spring (13) is fixedly connected to the outer wall of the movable cavity (19). An adjusting block (14) is fixedly connected to the end of the second spring (13) away from the movable cavity (19). An adjusting rod (15) is rotatably connected to the side of the adjusting block (14) away from the second spring (13). A second locking block (16) is rotatably connected to the end of the adjusting rod (15) away from the adjusting block (14). A connecting rod (17) is fixedly connected to the upper surface of the adjusting block (14). An adjusting plate (18) is fixedly connected to the upper end of the connecting rod (17).

2. A replaceable zipper according to claim 1, characterized in that, The upper surface of the connector (2) is provided with a first slot (12), and the inner surface of the first slot (12) engages with the first block (10).

3. A replaceable zipper according to claim 1, characterized in that, The connecting seat (2) is provided with second slots (24) on both sides, and the inner surface of the second slots (24) engages with the second block (16).

4. A replaceable zipper according to claim 1, characterized in that, The front surface of the connector (7) is provided with a storage groove (22), and the inner surface of the storage groove (22) slides with the push rod (11).

5. A replaceable zipper according to claim 1, characterized in that, The outer surface of the first card block (10) is slidably connected to the connector (7), and the outer surface of the push rod (11) is slidably connected to the connector (7).

6. A replaceable zipper according to claim 1, characterized in that, The upper surface of the upper wing plate (5) is provided with a sliding groove (23), and the inner surface of the sliding groove (23) is slidably connected to the adjusting plate (18).

7. A replaceable zipper according to claim 1, characterized in that, The upper and lower sides of the second card block (16) are fixedly connected to the limiting blocks (21), and the upper and lower sides of the movable cavity (19) are provided with limiting grooves (20). The inner surface of the limiting grooves (20) is slidably connected to the limiting blocks (21).

8. A replaceable zipper according to claim 1, characterized in that, The outer surface of the connecting rod (17) is slidably connected to the upper wing plate (5), and the outer surface of the adjusting block (14) is slidably connected to the movable cavity (19).

Citation Information

Patent Citations

  • Zipper

    CN218869581U