CN216983866U - Durable nylon zip fastener - Google Patents

Abstract

The utility model discloses a durable nylon zipper, which comprises zipper cloth and nylon zipper teeth sewn on the zipper cloth at equal intervals, wherein tapered ends are connected to the zipper cloth in a sliding manner, the nylon zipper teeth are positioned between the tapered ends, gears are arranged on two sides of the front end inside the tapered ends, and the gears are meshed with the nylon zipper teeth. The nylon sprocket possesses the physical advantage of nylon, its mechanical strength is high, toughness is good, there is higher tensile strength, compressive strength, be higher than the metal than tensile strength, it is not upper and lower than compressive strength and metal, thereby can improve the life of nylon sprocket in the use, pivoted gear not only can be less the loss of nylon sprocket, simultaneously when tapered end upward movement, also can slightly extrude the nylon sprocket to a certain extent, thereby make the interlock effect each other of nylon sprocket better, still be provided with the conflict locking mechanical system to the gear, this structure can prevent tapered end gliding under the natural condition, the connectivity of zip fastener has been guaranteed.

Description

Durable nylon zip fastener

Technical Field

The utility model belongs to the technical field of zippers, and particularly relates to a durable nylon zipper.

Background

The zipper is a common article in daily life and is mainly applied to articles such as clothes, bags and the like, at present, the zipper mainly comprises three types, namely a resin zipper, a metal zipper and a nylon zipper, teeth of the nylon zipper are formed by winding central lines of nylon monofilaments through heating and pressing dies, and compared with the metal zipper and the resin zipper, the nylon zipper has the characteristics of low cost, large yield and high popularization rate.

Because prior art nylon zip fastener is because the material of nylon is harder, consequently, the junction of nylon sprocket and zipper cloth, the sprocket afterbody of nylon zip fastener promptly and the intracavity wall sliding friction that holds of pull head, long-time friction can cause zipper head and sprocket wearing and tearing, and is not smooth and easy when further causing the zipper head to move, becomes the leading cause of nylon zip fastener damage, and nylon sprocket takes place to warp simultaneously and also can cause the zipper head to move when not smooth and easy.

SUMMERY OF THE UTILITY MODEL

The utility model provides a durable nylon zipper, which aims to solve the problem that a zipper head and zipper teeth are abraded due to long-time friction between the tail parts of the zipper teeth of the existing nylon zipper and an accommodating cavity of a zipper head when the existing nylon zipper is used, and further the zipper head is unsmooth in movement.

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a durable nylon zip fastener, includes that chain cloth and equidistance make up the nylon sprocket on the chain cloth, sliding connection has the tapered end on the chain cloth, and the nylon sprocket is located between the tapered end, the inside front end both sides of tapered end are equipped with the gear, and mesh between gear and the nylon sprocket.

Preferably, the outer surface joint of tapered end has the top cap, and the surface center department an organic whole of top cap is connected with the connecting block, the activity cup joints the pull ring in the connecting block, tapered end inside center department is equipped with the spacer block.

Preferably, the integrative nail that is provided with in internal surface edge of top cap, and the caulking groove has been seted up to the tapered end surface edge that just corresponds, nail and caulking groove all are oval column structure.

Preferably, the inside of the part where the lock head and the top cover are connected is a hollow structure, the gear is installed at the edge of the inner side of the hollow part, and the center of the gear is provided with a rotating shaft connected with the lock head.

Preferably, a lever is pinned at the central part of the lock head and close to the gear, one end of the lever contacts with the gear, a push rod is pinned at the outer end of the lever, the structure of the push rod is the same as the cross section of the lock head, and the middle part of the push rod is pinned in the lock head.

Preferably, the end of ejector pin runs through the tapered end and extends to in the connecting block, and the ejector pin end of connecting block both sides is connected integratively in the connecting block, the pull ring cup joints on the junction of two ejector pins, and is connected with the spring between junction and the connecting block inner wall of two ejector pins.

Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

(1) in the utility model, the rotatable gear is arranged in the lock head, so that the hard friction between the lock head and the nylon zipper teeth can be reduced through the rotation of the gear when the lock head works, and the loss is further reduced, thereby achieving the purpose of durability, the rotatable gear not only can reduce the loss of the nylon zipper teeth, but also can slightly extrude the nylon zipper teeth to a certain extent when the lock head moves upwards, so that the mutual engagement effect of the nylon zipper teeth is better, the shape of the lock head is standard, the upper half part is large and the tail part is small when the lock head is upright, because the lock head needs to wrap the zippers on two sides firstly, and then the zippers are engaged through the small volume of the rear half part, and the joint of the upper half part and the lower half part of the lock head is called as a binding opening, the friction force of the binding opening is maximum in the process of actually using the lock head, consequently, the gear setting of this application is in binding a mouthful department, and the majority of part setting of gear only exposes a small amount of part in the lateral wall of tapered end, and the gear can not contradict with the sprocket like this, causes the tapered end can not move, and when the tapered end motion, its upper portion wraps up the zip fastener, and during the continuation motion, the gear contacts the zip fastener, and the tapered end becomes the roll by rigid slip this moment, realizes reducing the function of frictional force, further reduces wearing and tearing.

(2) The zipper is characterized in that the zipper is provided with a gear, the gear is arranged on the zipper, the zipper is provided with a push rod structure, the push rod structure is arranged on the gear, the push rod structure can control the lever, the push rod structure is in contact with the gear, the gear can rotate again, the tapered end can fall on the chain under the action of external force, the zipper is opened, the pull rod is controlled to move through a pull ring on the tapered end, and the tapered end cannot be triggered under the action of no external force.

Drawings

FIG. 1 is a schematic view of a durable nylon zipper of the present invention;

FIG. 2 is a schematic view of the lock head of the present invention;

FIG. 3 is a schematic view of the internal structure of the lock head of the present invention;

FIG. 4 is a schematic cross-sectional view of the lock head of the present invention;

FIG. 5 is a schematic view of a partially enlarged structure of the lock head A of the present invention;

fig. 6 is a partially enlarged structural schematic diagram of a lock head B in the utility model.

The corresponding relationship between the reference numbers of the figures and the names of the components in the figures is as follows: 1. chain cloth; 2. a lock head; 3. nylon sprocket teeth; 4. a top cover; 5. connecting blocks; 6. a pull ring; 7. a gear; 8. a separation block; 9. a rotating shaft; 10. a top rod; 11. a spring; 12. embedding nails; 13. a lever.

Detailed Description

The utility model is further described below in connection with specific embodiments.

The durable nylon zipper provided in the drawings 1, 2 and 3 comprises a zipper cloth 1 sewed on clothes and nylon zipper teeth 3 sewed on the zipper cloth 1 at equal intervals, a lock head 2 used for promoting the engagement of the nylon zipper teeth 3 is connected on the zipper cloth 1 in a sliding manner, the inside of the front half part of the lock head 2 is of a hollow structure, a top cover 4 used for sealing the cavity of the lock head 2 is clamped on the outer surface of the lock head 2, a connecting block 5 is integrally connected at the center of the outer surface of the top cover 4, a pull ring 6 used for pulling the lock head 2 is movably sleeved in the connecting block 5, a separation block 8 is arranged at the center inside the lock head 2, the nylon zipper teeth 3 are positioned between the lock heads 2, the above structures are basic structures of a complete zipper, the opening and closing of the zipper can be realized through the above structures, the above components are mainly used as basic components in the application, the above components are improved, so that the application can achieve the problems provided in the background technology, the nylon zipper teeth 3 in the application have the physical advantages of nylon, and have the advantages of high mechanical strength, good toughness, higher tensile strength and compressive strength, higher specific tensile strength than metal, comparable specific compressive strength with metal, thereby prolonging the service life of the nylon sprocket 3 and improving the wear resistance of the nylon sprocket 3 in the using process, the nylon material also has strong absorption capacity to impact and stress vibration, the impact strength is much higher than that of common plastics, and is superior to acetal resin, has outstanding fatigue resistance, can still maintain the original mechanical strength after repeated bending, has smooth surface, small friction coefficient and wear resistance, has self-lubricating property when being used as a movable mechanical component, has low noise, meanwhile, the nylon material can be used without adding a lubricant when the friction effect is not too high, so that the application is smooth in use, the phenomenon of jamming can not occur, and the smoothness of the zipper in use is ensured.

In the figures 3, 4 and 6, the two sides of the front end inside the lock head 2 are provided with the gears 7 for reducing friction, the gears 7 are meshed with the nylon zipper teeth 3, the shape of the lock head 2 is standard, when the lock head 2 is upright, the upper half part is large and the tail part is small, because the lock head 2 needs to wrap the zippers on the two sides firstly, then the zippers are extruded by the small volume of the rear half part to enable the zippers to be meshed, the joint of the upper half part and the lower half part of the lock head 2 is called as a binding opening, the friction force of the binding opening is maximum in the process of actually using the lock head 2, therefore, the gears 7 are arranged at the binding opening, the large half part of the gears 7 is arranged in the side wall of the lock head 2, only a small amount of parts are exposed, so that the gears 7 can not be collided with the nylon zipper teeth 3 to cause the lock head 2 to be incapable of moving, when the lock head 2 moves, the nylon zipper teeth 3 are wrapped by the upper part of the lock head and continue to move, the gear 7 contacts the nylon sprocket 3, at the moment, the lock head 2 is changed from rigid sliding to rolling, the function of reducing the friction force is realized, the abrasion is further reduced, a lever 13 for abutting against the gear 7 to fix the gear 7 is connected to the central part of the lock head 2 in a pin mode, one end of the lever 13 is in contact with the gear 7, a push rod 10 for controlling the lever 13 is connected to the outer end of the lever 13 in a pin mode, the structure of the push rod 10 is the same as the cross section shape of the lock head 2, the middle part of the push rod 10 is connected to the lock head 2 in a pin mode, the tail end of the push rod 10 penetrates through the lock head 2 and extends into the connecting block 5, the tail ends of the push rods 10 on the two sides of the connecting block 5 are connected into a whole in the connecting block 5, the pull ring 6 is sleeved on the connecting part of the two push rods 10, and a spring 11 is connected between the connecting part of the two push rods 10 and the inner wall of the connecting block 5, and as a wearer moves, the lock head 2 slides down on the zipper, the sealability of the zipper cannot be ensured and thus the gear 7 cannot be rotated by the lever 13 abutting against the surface of the gear 7, and when the gear 7 cannot be rotated, because the gear 7 slightly protrudes to be resisted on the nylon sprocket 3, the lock head 2 can not naturally fall down, and considering the basic function of the zipper that needs to be opened and closed, another push rod 10 is provided to control the lever 13, so that the lever 13 is separated from the contact with the gear 7, and the gear 7 is rotated again, so that the lock head 2 can fall down on the chain under the action of external force to open the zipper, the mandril 10 controls the movement through the pull ring 6 on the lock head 2, the push rod 10 is not touched under the condition of no external force, and the push rod is normally pushed up by the counterforce of the spring 11 under the condition of the resisting force of the lever 13, since the push rod 10 is also in pin joint, the front end of the push rod 10 descends and pulls the lever 13, and the rear end of the lever 13 descends and the front end ascends and collides with the gear 7.

In figure 5 the integrative stud 12 that is provided with in internal surface edge of top cap 4, and 2 surface edges of tapered end that correspond have seted up the caulking groove, stud 12 and caulking groove all are oval column structure, top cap 4 pegs graft through the stud 12 of self and realizes fixing in the caulking groove of tapered end 2, and stud 12 is oval advantage lies in, oval end is small and slick and sly, be difficult for receiving the conflict when connecting, and oval column middle part thickness is difficult for droing when the stud 12 enters into the caulking groove greatly, and gear 7 installs the inboard edge at hollow portion, playing rolling motion's in-process, can not conflict nylon sprocket 3, the center department of gear 7 is equipped with pivot 9 and tapered end 2 and connects the rotation that realizes gear 7.

The working principle is as follows: the application is the same as the common nylon zipper in use, and the difference lies in that the application is provided with the gear 7 for reducing friction at the binding opening of the lock head 2, thereby reducing the friction between the lock head 2 and the nylon zipper teeth 3 in use, further reducing the loss of the nylon zipper teeth 3, making the nylon zipper more durable, the shape of the lock head 2 is standard, when the lock head 2 is upright, the upper half part is large and the tail part is small, because the lock head 2 needs to wrap the zippers at two sides firstly, then the zippers are occluded by extruding through the small volume of the rear half section, when the lock head 2 moves, the nylon zipper teeth 3 are wrapped at the upper part, when the motion continues, the gear 7 contacts the nylon zipper teeth 3, at the moment, the lock head 2 is changed into rolling from rigid sliding, the function of reducing friction force is realized, further reducing abrasion, because the person wearing moves, the lock head 2 can slide down on the zipper, the leakproofness of zip fastener can't be guaranteed, consequently contradicts gear 7 surface through lever 13 for gear 7 can not rotate, when gear 7 can not rotate, thereby because gear 7 slightly stands out and keeps out on nylon sprocket 3, makes tapered end 2 can not fall naturally, and its concrete principle lies in: when the lock 2 stops moving, the rebound force of the spring 11 promotes the tail end of the ejector rod 10 to ascend, because the ejector rod 10 is also in pin joint, the front end of the ejector rod 10 descends and pulls the lever 13 at the moment, the rear end of the lever 13 descends and the front end ascends and butts against the gear 7, meanwhile, the basic action that the zipper needs to be opened and closed is considered, another ejector rod 10 structure is arranged to control the lever 13, the lever 13 is separated from the contact with the gear 7, the gear 7 is restored to rotate, the lock 2 can fall on the chain under the action of external force, the zipper is opened, the ejector rod 10 controls the movement through the pull ring 6 on the lock 2, and the ejector rod cannot be triggered under the action of no external force.

While the utility model has been described in further detail in connection with specific embodiments thereof, it will be understood that the utility model is not limited thereto, and that various other modifications and substitutions may be made by those skilled in the art without departing from the spirit of the utility model, which should be considered to be within the scope of the utility model as defined by the appended claims.

Claims (6)

1. The utility model provides a durable nylon zip fastener, includes that chain cloth (1) and equidistance make up nylon sprocket (3) on chain cloth (1), its characterized in that: the chain cloth (1) is connected with a lock head (2) in a sliding mode, the nylon zipper teeth (3) are located between the lock heads (2), gears (7) are arranged on two sides of the front end of the interior of the lock head (2), and the gears (7) are meshed with the nylon zipper teeth (3).

2. A durable nylon zipper as set forth in claim 1, wherein: the outer surface joint of tapered end (2) has top cap (4), and the surface center department an organic whole of top cap (4) is connected with connecting block (5), pull ring (6) have been cup jointed in connecting block (5) activity, tapered end (2) inside center department is equipped with separation block (8).

3. A durable nylon zipper according to claim 2, wherein: the utility model discloses a lock head, including top cap (4), lock head (2), caulking groove, internal surface edge an organic whole of top cap (4) is provided with stud (12), and the caulking groove has been seted up to tapered end (2) surface edge that just corresponds, stud (12) and caulking groove all are oval column structure.

4. A durable nylon zipper according to claim 3, wherein: the inside of the part where the lock head (2) and the top cover (4) are connected is of a hollow structure, the gear (7) is installed on the edge of the inner side of the hollow part, and a rotating shaft (9) is arranged in the center of the gear (7) and connected with the lock head (2).

5. A durable nylon zipper as set forth in claim 4, wherein: a lever (13) is connected to the central portion of the lock head (2) and the position close to the gear (7) in a pin mode, one end of the lever (13) is in contact with the gear (7), a push rod (10) is connected to the outer end of the lever (13) in a pin mode, the structure of the push rod (10) is the same as the cross section of the lock head (2), and the middle portion of the push rod (10) is connected to the inside of the lock head (2) in a pin mode.

6. A durable nylon zipper according to claim 5, wherein: the end of the ejector rod (10) runs through the lock head (2) and extends into the connecting block (5), the ends of the ejector rods (10) on the two sides of the connecting block (5) are integrally connected in the connecting block (5), the pull ring (6) is sleeved on the joint of the two ejector rods (10), and a spring (11) is connected between the joint of the two ejector rods (10) and the inner wall of the connecting block (5).

Images