Novel zipper structure with rotatable teeth
By using a rotating toothed design, the problems of short lifespan and loose closure caused by wear in nylon zippers are solved, thus improving the durability and stability of the zipper.
Patent Information
- Application Number
- CN202520345597.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-28
AI Technical Summary
Existing nylon zippers suffer from severe wear due to frequent friction, resulting in a short service life, loose closure, and easy slippage.
It adopts a rotating tooth design, including a fixed block, tooth blocks and zipper teeth. The tooth blocks are connected to the zipper teeth through connecting rods. The rotating block is movably connected to the fixed block. The limit strip is made of elastic material. The tooth blocks and the locking block are engaged to drive the rotating teeth to rotate and engage. The trapezoidal zipper tooth design reduces friction.
It reduces friction between the chain teeth, extends the zipper's lifespan, improves the closure's firmness, and reduces the probability of loosening and slipping open.
Smart Images

Figure CN223845091U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to zip fastener structure technical field, more specifically to a new type of zip fastener structure of tooth rotatable. BACKGROUND
[0002] Zip fastener is a fastener consisting of two strips each having a row of metal or plastic teeth, used to join the edges of an opening (such as a garment or bag opening), with a slide to draw the two rows of teeth into interlocking position to close the opening, a chain attached to something (as an object being hoisted or dropped) to tighten, steady, or guide the object, the zip fastener consists of chain teeth, puller, up and down stop (front code and rear code) or locking piece, etc., wherein the chain teeth are the key part, which directly determines the side pulling strength of the zip fastener. Generally, the zip fastener has two strips, each having a row of chain teeth, and the two rows of chain teeth are arranged alternately, the puller clamps the chain teeth on both sides, and the two rows of chain teeth are engaged or disengaged by sliding the puller.
[0003] The existing technology has the following problems: the chain teeth of the existing nylon zip fastener are seriously worn due to frequent friction, resulting in a short service life of the chain teeth, and the worn chain teeth are easily separated after being closed under external force or bending, the chain teeth are not tightly closed, and the chain teeth are also automatically opened. UTILITY MODEL CONTENT
[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a new type of zip fastener structure with rotatable teeth to solve the problems in the above background.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a new type of zip fastener structure with rotatable teeth, comprising rotatable teeth, and further comprising: a nylon base strip and a zip fastener head, the rotatable teeth are fixedly connected in an array on the side surface of the nylon base strip, the nylon base strip is divided into a first base strip and a second base strip, the rotatable teeth are arranged alternately on the side of the first base strip opposite to the second base strip, wherein the other side of the first base strip and the second base strip is connected with a cloth strip, the rotatable teeth comprise a fixed block fixedly connected with the first base strip and the second base strip, a tooth block is movably connected on the side surface of the fixed block, wherein the tooth block is fixedly connected with a zip fastener tooth through a connecting rod, the zip fastener tooth is in the shape of a ladder, and the side surface of the zip fastener tooth is movably connected with the side surface of the fixed block through a rotating block, a limiting strip is fixedly connected on the side surface of the tooth block, and the limiting strip is made of elastic material and is bendable.
[0006] Further, a through long slot is formed in the middle of the tooth block.
[0007] Further, the slider head comprises a slide plate clamp clamped on the upper and lower sides of the nylon base strip, a guide rod for connecting the upper and lower layers of the slide plate clamp, and a fixed ring at the top end for connecting the pull nose.
[0008] Further, one end of the first base strip is provided with a lower stopper, and one end of the second base strip is provided with an insert, the inner part of the lower stopper is clamped with the side surface of the insert, and the length and width of the lower stoper are greater than those of the slide plate clamp.
[0009] Further, the guide rod is located at the middle part of one side of the slide plate clamp, and the two ends are connected with the upper and lower layers of the slide plate clamp respectively, for guiding the engagement and disengagement of the rotating teeth.
[0010] Further, the inner top end of the slide plate clamp is fixedly connected with clamping blocks on both sides, the clamping blocks are staggered, and the staggered distance of the clamping blocks is consistent with that of the rotating teeth arranged oppositely, wherein the clamping blocks are embedded in the long grooves at the top end of the tooth blocks, and when the slide plate clamp slides, the rotating zipper teeth can be driven to rotate through the embedding of the clamping blocks and the tooth blocks, so that the two rotating teeth oppositely rotate and abut.
[0011] Further, the side surface of the rotating teeth fixedly connected with the first base strip and the second base strip is also fixedly connected with a stop block, the stop blocks are uniformly arranged on one side of the rotating teeth and located within the rotating radius of the limiting strips, and are used for fixing the position of the rotating teeth after rotating and abutting.
[0012] Further, the normal line of the tooth block and the trapezoidal plane of the zipper tooth form an included angle of 45 degrees.
[0013] The technical effects and advantages of the utility model are as follows:
[0014] 1. The utility model discloses a rotating tooth, and the rotating tooth comprises a fixed block fixedly connected with a first base strip and a second base strip, a tooth block movably connected with the side surface of the fixed block, and a zipper tooth fixedly connected with the tooth block through a connecting rod, wherein the zipper tooth is trapezoidal, the side surface of the zipper tooth is movably connected with the side surface of the fixed block through a rotating block, and when the slider head is pulled, the two rotating teeth oppositely rotate, the two rotating teeth are abutted through rotation, the friction between the chain teeth during abutting is reduced, the damage of the teeth is reduced, and the service life of the zipper is prolonged.
[0015] 2. The utility model discloses a rotating tooth, and the zipper tooth is trapezoidal, the inclined planes at the top end of the zipper tooth are parallel to each other and are attached to each other in the engaged state, the abutting of the teeth is more compact, the closing is more firm, and the probability of loosening and sliding open is reduced. DRAWINGS
[0016] Fig. 1 It is the whole structure schematic view of the utility model;
[0017] Fig. 2 It is the structure schematic view of the zipper head of the utility model;
[0018] Fig. 3 It is the local structure schematic view of the zipper head of the utility model;
[0019] Fig. 4 It is the split structure schematic view of nylon base tape of the utility model;
[0020] Fig. 5 It is the structure schematic view of a pair of rotating teeth of the utility model clamping;
[0021] Fig. 6 It is the structure schematic view of rotating tooth of the utility model in unclamping state.
[0022] The figure mark is: 1, rotating tooth; 101, fixed block; 102, tooth block; 103, connecting rod; 104, zipper tooth; 105, rotating block; 106, limiting strip; 2, nylon base tape; 201, first base tape; 202, second base tape; 203, lower stop; 204, insert; 205, stop block; 3, zipper head; 301, slide plate clamp; 302, guide rod; 303, pull nose; 304, fixed ring; 305, clamping block. DETAILED DESCRIPTION
[0023] The technical scheme in the utility model will be described clearly and completely in the following with reference to the drawings in the utility model, and in addition, the form of each structure recorded in the following embodiment is only exemplified, and the novel zipper structure of the rotating tooth of the utility model is not limited to each structure recorded in the following embodiment, and all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of protection of the utility model.
[0024] Refer to Figs. 1 to 6The utility model provides a novel zipper structure with rotatable teeth, comprising rotating teeth 1, nylon base tape 2 and zipper head 3, the rotating teeth 1 are fixedly connected to the side of the nylon base tape 2 in array, the nylon base tape 2 is divided into first base tape 201 and second base tape 202, the rotating teeth 1 are staggered on the side opposite to the first base tape 201 and the second base tape 202, wherein the other side of the first base tape 201 and the second base tape 202 is connected to cloth tape, the rotating teeth 1 comprise fixed block 101 fixedly connected to the first base tape 201 and the second base tape 202, the side of the fixed block 101 is movably connected to tooth block 102, the middle part of the tooth block 102 is provided with through long slot, wherein the tooth block 102 is fixedly connected to zipper tooth 104 through connecting rod 103, the zipper tooth 104 is in the shape of ladder, the side of the zipper tooth 104 is movably connected to the side of the fixed block 101 through rotating block 105, the side of the tooth block 102 is fixedly connected to limiting strip 106, the limiting strip 106 is made of elastic material and can be bent.
[0025] Each rotating tooth 1 is independently rotatable, the opposite two rotating teeth 1 are staggered, the inclined planes of the top ends of the ladders are parallel and fit each other in the meshing state, the ladder planes of the zipper teeth 104 are perpendicular to the nylon base tape 2 in the separated state, and the ladder planes of the adjacent and opposite rotating teeth 1 are perpendicular to each other, when the zipper head 3 is pulled, the opposite two rotating teeth 1 are simultaneously driven to rotate, so that the two rotating teeth 1 rotate, the butt joint is completed, the ladder planes of the rotating teeth 1 are horizontal and parallel to the nylon base tape 2 in the clamped state, and at this time, the limiting strip 106 is located below the tooth block 102.
[0026] Referring to Figs. 2 to 4 The zipper head 3 comprises slide plate clamps 301 clamped on the upper and lower sides of the nylon base tape 2, guide rods 302 for connecting the upper and lower layers of the slide plate clamps 301 and fixed rings 304 for connecting pull noses 303 at the top ends, the upper and lower layers of the slide plate clamps 301 are symmetrical, the internal cavities formed by the upper and lower layers can enable the meshing rotating teeth 1 to pass through, and the gap between the two side edges is consistent with the height of the first base tape 201 and the second base tape 202, so that the slide plate clamps 301 can smoothly slide along the first base tape 201 and the second base tape 202, and when the zipper head 3 is pulled, the slide plate clamps 301 will slide from the outside of the two rows of meshing rotating teeth 1.
[0027] The one end of the first base tape 201 is provided with lower stop piece 203, the one end of the second base tape 202 is provided with insert piece 204, the inside of the lower stop piece 203 is clamped with the side of the insert piece 204, and the length and width of the lower stop piece 203 are greater than those of the slide plate clamps 301, so that the slide plate clamps 301 are still movably connected to the first base tape 201 in the separated state of the zipper and cannot be separated.
[0028] The guide rod 302 is located at the middle of one side of the slide plate clamp 301, and the two ends are connected with the upper layer and the lower layer of the slide plate clamp 301 respectively, and is used for guiding the meshing and separation of the rotating teeth 1.
[0029] The two sides of the inner top end of the slide plate clamp 301 are fixedly connected with clamping blocks 305, the two clamping blocks 305 are staggered, and the staggered interval of the two clamping blocks 305 is consistent with the staggered interval of the rotating teeth 1 arranged oppositely, wherein the clamping block 305 can be embedded with the top long groove of the tooth block 102, and when the slide plate clamp 301 slides, the clamping block 305 can drive the zipper tooth 104 to rotate through the embedding of the tooth block 102, so that the two rotating teeth 1 oppositely rotate and are clamped.
[0030] Referring to Figs. 4 to 6 The side surface of the rotating teeth 1 is fixedly connected with the stop block 205, the stop block 205 is uniformly arranged on one side of the rotating teeth 1 and is located within the rotating radius of the limiting strip 106, and is used for fixing the position of the rotating teeth 1 after being clamped and rotated.
[0031] The normal line of the tooth block 102 and the trapezoidal plane of the zipper tooth 104 form a forty-five-degree angle.
[0032] The working principle of the utility model is as follows: the zipper head 3 is pulled to the lower stop piece 203 of the first base strip 201, the plug-in part 204 at the bottom of the second base strip 202 is inserted into the wide opening of the slide plate clamp 301, and the zipper head 3 is pulled to the remote lower stop piece 203, in this process, the clamping block 305 at the inner top end of the slide plate clamp 301 is embedded with the tooth block 102, and rotates along with the sliding of the slide plate clamp 301, the tooth block 102 rotates and further drives the zipper tooth 104 in the vertical state to rotate until the tooth block 102 is in the horizontal state, at this time, the normal line of the tooth block 102 and the trapezoidal plane of the zipper tooth 104 form a counterclockwise 45° angle, and the clamping block 305 is separated, and then is embedded with the tooth block 102 of the next rotating tooth 1 adjacent to the clamping block 305, and the action process is repeated, so that all the chain teeth of the zipper can be clamped.
[0033] The above only describes preferred embodiments of the utility model and is not used for limiting the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A novel zipper structure with rotatable teeth comprising rotatable teeth (1), characterized in that, Also include: nylon base tape (2), zipper head (3), the rotating teeth (1) are fixedly connected in array on the side of nylon base tape (2), the nylon base tape (2) is divided into first base tape (201) and second base tape (202), the rotating teeth (1) are staggered on the side opposite to the first base tape (201) and the second base tape (202), wherein the other side of the first base tape (201) and the second base tape (202) is connected with cloth tape, the rotating teeth (1) include fixed block (101) fixedly connected with the first base tape (201) and the second base tape (202), the side of the fixed block (101) is movably connected with tooth block (102), wherein the tooth block (102) is fixedly connected with zipper tooth (104) through connecting rod (103), the zipper tooth (104) is in the shape of ladder, and the side of the zipper tooth (104) is movably connected with the side of the fixed block (101) through rotating block (105), the side of the tooth block (102) is fixedly connected with limiting strip (106), the limiting strip (106) is made of elastic material and can be bent.
2. A novel tooth rotatable zipper structure according to claim 1, characterized in that: The middle part of the tooth block (102) is provided with a through long slot.
3. A novel tooth rotatable zipper structure according to claim 1, wherein: The zipper head (3) includes slide plate clamp (301) clamped on the upper and lower sides of the nylon base tape (2), guide rod (302) for connecting the upper layer and the lower layer of the slide plate clamp (301) and fixed ring (304) for connecting pull nose (303) at the top end, the upper and lower layer structures of the slide plate clamp (301) are symmetrical, the internal cavities formed by the upper and lower layers can enable the meshing rotating teeth (1) to pass through, and the gap between the two side edges is consistent with the height of the first base tape (201) and the second base tape (202), so that the first base tape (201) and the second base tape (202) can smoothly slide along the first base tape (201) and the second base tape (202).
4. A novel tooth rotatable zipper structure according to claim 3, wherein: One end of the first base tape (201) is provided with lower stop piece (203), and one end of the second base tape (202) is provided with insert piece (204), the inside of the lower stop piece (203) is clamped with the side of the insert piece (204), and the length and width of the lower stop piece (203) are greater than the length and width of the slide plate clamp (301).
5. A novel tooth rotatable zipper structure according to claim 3, wherein: The guide rod (302) is located at the middle part of one side of the slide plate clamp (301), and the two ends are connected with the upper layer and the lower layer of the slide plate clamp (301) respectively, for guiding the meshing and separation of the rotating teeth (1), and the pull nose (303) is used for controlling the movement of the slide plate clamp (301).
6. A novel tooth rotatable zipper structure according to claim 5, wherein: The inside top end of the slide plate clamp (301) is fixedly connected with clamping block (305), the two clamping blocks (305) are staggered, and the staggered distance of the clamping blocks (305) is consistent with that of the rotating teeth (1) arranged oppositely, wherein the clamping block (305) can be embedded in the top end long slot of the tooth block (102), and when the slide plate clamp (301) slides, the clamping block (305) can drive the zipper tooth (104) to rotate through the embedding of the tooth block (102), so that the two rotating teeth (1) oppositely rotate and abut.
7. A novel tooth rotatable zipper structure according to claim 1, wherein: The side of the first baseband (201) and the second baseband (202) fixedly connected with the rotating tooth (1) is also fixedly connected with the stop block (205), the stop block (205) is uniformly arranged on one side of the rotating tooth (1) and is located within the rotating radius of the limiting strip (106), and is used for fixing the position of the rotating tooth (1) after rotating and clamping.
8. A novel tooth rotatable zipper structure according to claim 2, wherein: The normal line of the tooth block (102) and the trapezoidal plane of the zipper tooth (104) form a forty-five-degree angle.