CN211483199U - Zipper and pull head thereof - Google Patents

Abstract

The utility model discloses a pull head, including the pull head main part, the terminal surface of pull head main part has the via hole that runs through along the thickness direction, still includes the mechanism that closes of drawing that links to each other with the pull head main part, draws to close the mechanism including passing the via hole with the gear with the chain tooth of zip fastener engaged with to and the rotation axis of one end and gear links to each other, the other end links to each other with the pull head main part, in order to accumulate the clockwork spring of potential energy under the drive of gear when the zip fastener pulls open, the gear passes through the installing frame and links to each other. The gear in the slider is meshed with the zipper teeth, when the zipper is unzipped, the slider and the zipper teeth move relatively, and the zipper teeth apply torque to the gear to enable the gear to rotate. The gear rotates and simultaneously drives the clockwork spring to curl, so that the clockwork spring accumulates potential energy. When the pulling force acting on the puller is cancelled, the spring applies a torque effect on the rotating shaft, the rotating shaft drives the gear to rotate, the puller moves along the direction of pulling the zipper, and then the zipper is automatically pulled to be closed. The utility model also provides a zip fastener of including above-mentioned pull head, it can be closed by automatic pulling.

Description

Zipper and pull head thereof

Technical Field

The utility model relates to a necessities for life technical field, in particular to pull head. The utility model discloses still relate to a zip fastener including above-mentioned pull head.

Background

The slider is used for opening and closing a zipper, and the zipper is often used on appliances such as bags and the like. The zipper opening and closing case is convenient to use and has higher safety. The user unzips the zipper to take the articles in the case, and the zipper is zipped after the articles are taken out. However, in life, users often forget to pull the zipper or lose articles due to the fact that the zipper cannot be pulled.

Therefore, how to make the zipper automatically close is a technical problem which needs to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pull head, it is equipped with the clockwork spring, and the clockwork spring can the energy storage when the pull head pulls open the zip fastener, and the clockwork spring can drive the pull head and close the zip fastener is automatic after loosening the pull head. Another object of the present invention is to provide a slide fastener including the above slider.

In order to achieve the above object, the utility model provides a pull head, including the pull head main part, the terminal surface of pull head main part has the via hole that runs through along the thickness direction, still include with the mechanism is closed in drawing that the pull head main part links to each other, draw close the mechanism including passing the gear of via hole with the chain tooth looks meshing with the zip fastener, and one end with the rotation axis of gear links to each other, the other end with fixed setting, in order to accumulate the clockwork spring of potential energy under the drive of gear when the zip fastener pulls open, the gear pass through the installing frame with the pull head main part links to each other.

Preferably, the through hole is located in a bottom plate of the slider body, and the mounting frame is fixedly connected with the lower end face of the bottom plate.

Preferably, the via is located on a midline of the base plate.

The utility model also provides a zipper, including above-mentioned arbitrary pull head.

Preferably, the zipper comprises a lower stop, and a fixing mechanism which can be clamped with the slider to fix the slider is arranged in the lower stop.

Preferably, the fixing mechanism is a snap fastener.

Preferably, the side of the fastener element facing the through hole is provided with an engaging tooth for engaging with the gear.

The utility model provides a pull head, including the pull head main part, the terminal surface of pull head main part has the via hole that runs through along the thickness direction, still includes the mechanism of closing of drawing that links to each other with the pull head main part, draws the mechanism of closing including passing the via hole with the gear with the chain tooth of zip fastener engaged with to and one end links to each other with the rotation axis of gear, the other end is fixed to be set up, in order to accumulate the clockwork spring of potential energy under the drive of gear when the zip fastener is pulled open, the gear passes through the installing frame and links to each other.

The gear in the slider is meshed with the zipper teeth, when the zipper is unzipped, the slider and the zipper teeth move relatively, and the zipper teeth apply torque action to the gear in the slider to enable the gear to rotate. The gear rotates and simultaneously drives the clockwork spring to curl, so that the clockwork spring accumulates potential energy. When the pulling force acting on the puller is cancelled, the spring applies a torque effect on the rotating shaft, the rotating shaft drives the gear to rotate, the puller moves along the direction of pulling the zipper, and then the zipper is automatically pulled to be closed.

The utility model also provides a zip fastener of including above-mentioned pull head, it can be closed by automatic pulling.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural view of a slider according to the present invention;

FIG. 2 is a schematic view of the slider of FIG. 1 engaged with the bottom stop of the slide fastener.

Wherein the reference numerals in fig. 1 and 2 are:

the slider comprises a slider body 1, a through hole 2, a gear 3, a rotating shaft 4, a spring 5, a mounting frame 6, a lower stop 7 and a spring fastener 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural view of a slider according to the present invention; FIG. 2 is a schematic view of the slider of FIG. 1 engaged with the bottom stop of the slide fastener.

The utility model provides a pull head, the structure is as shown in figure 1, including pull head main part 1 and draw and close the mechanism. Specifically, the slider body 1 includes a top plate and a bottom plate, and a through hole 2 penetrating in the thickness direction is selectively provided in the top plate and the bottom plate, and the case where the bottom plate has the through hole 2 is described in the present application.

As shown in fig. 1, the pulling-closing mechanism includes a mounting frame 6 connected to the lower end surface of the bottom plate, and a gear 3 is disposed in the mounting frame 6. Specifically, the gear 3 is fixedly connected with the rotating shaft 4, the through hole 2 on the bottom plate is a strip-shaped hole which can be arranged along the central line of the bottom plate, and the gear 3 penetrates through the strip-shaped hole and is inserted between the top plate and the bottom plate of the slider body 1, so that the gear 3 can be meshed with the zipper teeth entering between the top plate and the bottom plate. As shown in fig. 1, the gear 3 has a projection on the outer periphery thereof, which is inserted into the element space, and the gear 3 is engaged with the element by the projection. The two ends of the rotating shaft 4 are rotatably connected with the mounting frame 6, and when the pull head is pulled, the zipper teeth and the gear 3 generate relative movement, so that the gear 3 is driven to rotate. The pulling-closing mechanism also comprises a clockwork spring 5, one end of the clockwork spring 5 is connected with the rotating shaft 4 of the gear 3, and the other end of the clockwork spring can be connected with the puller body 1 to realize fixed arrangement. When the zipper is unzipped, the rotating shaft 4 rotates to enable the clockwork spring 5 to accumulate potential energy. When the puller is loosened, the potential energy of the clockwork spring 5 is released to drive the gear 3 to rotate, and the gear 3 is meshed with the zipper teeth while rotating, so that the puller body 1 is pushed to close the zipper.

Alternatively, the mounting frame 6 is generally a cylindrical structure with an open top, and the outer circumference of the mounting frame is the same as the outer circumference of the bottom plate, and is fixedly connected with the bottom plate by welding, bonding, and the like. The side of the left side and the right side of the installation frame 6 is provided with an installation groove for installing the rotating shaft 4, the installation groove extends along the direction of the vertical top surface, two ends of the rotating shaft 4 are embedded into the installation groove, when the rotating shaft 4 is abutted to the groove bottom of the installation groove, the gear 3 can be abutted to the zipper teeth, the length of the through hole 2 is slightly longer than the length of the intersection of the gear 3 and the bottom plate of the pull head main body 1, and the influence on the rotation of the gear 3 caused by the edge of the through.

Optionally, two gears 3 may be rotatably disposed on the pull mechanism, and correspondingly, two through holes 2 may be disposed in parallel on the bottom plate of the slider body 1, and the two gears 3 respectively penetrate through the two through holes 2 to be engaged with the teeth on both sides of the zipper. A spring 5 is located between the two gears 3. When the zipper is automatically zipped, the two gears 3 apply a pulling force effect to the pull head body at the same time, so that the two sides of the pull head body are stressed more uniformly, and the pull head body is prevented from being locked with the zipper teeth.

In this embodiment, the slider body 1 is connected to a zipper mechanism, and the zipper mechanism is engaged with the teeth of the slide fastener through the gear 3. When the zipper is unzipped, the clockwork spring 5 accumulates potential energy under the driving of the gear 3, and when the zipper head is loosened, the clockwork spring 5 releases the potential energy, so that the gear 3 rotates, the zipper head is driven to integrally move forwards, and the zipper is automatically zipped. The problem that the user loses articles due to the fact that the user forgets to pull the zipper or cannot pull the zipper.

In addition, the utility model also provides a zipper, including the pull head of above-mentioned arbitrary one, the chain tooth of zipper passes the pull head body to with the meshing of gear 3. It is generally necessary to wind the spring 5 to a certain extent before the slider and the elements are assembled, ensuring that the spring 5 has sufficient potential energy to enable the zipper to be automatically closed.

Optionally, in order to increase the force between the gear 3 and the coupling element, the side of the coupling element facing the through hole 2 is provided with an engaging tooth for engaging with the gear 3, and when the coupling element and the gear 3 are relatively moved, a larger force is generated between the engaging tooth and the gear 3. In addition, the gear 3 and the zipper teeth are usually made of metal materials, the metal materials have high hardness and good wear resistance, and the gear 3 and the zipper teeth can be well matched after repeated opening and closing, so that the zipper has long service life.

Usually, the tail end of the zipper is provided with a lower stop 7, and the lower stop 7 can limit the zipper puller to avoid the zipper puller from being separated from the zipper teeth. When the slider moves to the position of the lower stop 7, the potential energy accumulated by the spring 5 reaches the maximum. At the moment, the user loosens the pull head, and the pull head can pull the zipper at a high speed, so that the user is influenced to take and use the article. Therefore, the lower stop 7 is provided with two limiting arms respectively extending to two sides of the mounting frame 6, and the two limiting arms are connected with a fixing mechanism which can temporarily fix the puller in a clamping manner and the like.

Optionally, the fixing mechanism is a spring fastener 8, one end of the spring fastener 8 is connected with the limiting arm, the other end of the spring fastener extends towards the other limiting arm, and when the pull head moves between the two limiting arms, the two spring fasteners 8 abut against the front end face of the mounting frame 6 to limit the pull head. After the user finishes taking out the articles, the two limiting arms are pulled to separate the spring fastener 8 from the puller, and the puller automatically pulls the zipper closed under the driving of the spiral spring 5. Of course, the user may also use a wedge-shaped buckle or other structures as the fixing mechanism as required, which is not limited herein.

Furthermore, the side surfaces of the two limiting arms far away from the pull head can be provided with a clutch plate or a clutch rod. Specifically, one end of the clutch plate is fixedly connected with the side face, far away from the pull head, of the limiting arm, the other end of the clutch plate extends towards the rear end of the lower stop 7, and the tail end of the clutch plate exceeds the rear end of the lower stop 7 and is suspended behind the lower stop 7. The end used for pressing the clutch plate, the clutch plate forms a lever structure taking the rear end of the lower stopper 7 as a fulcrum, and one end of the pressed clutch plate suspended behind the lower stopper 7 can drive the limiting arm to move in the direction far away from the pull head, so that the spring fastener 8 is separated from the pull head, and the zipper is automatically closed.

In this embodiment, the bottom end 7 of the zipper is provided with the fixing mechanism, when the zipper head is attached to the bottom end 7, the fixing mechanism can limit the zipper head, so that the zipper head is prevented from automatically closing the zipper, and a user can take articles conveniently.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The zipper and the puller thereof provided by the utility model are introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (7)

1. The pull head is characterized by comprising a pull head body (1), wherein a through hole (2) penetrating along the thickness direction is formed in the end face of the pull head body (1), the pull head further comprises a pull-close mechanism connected with the pull head body (1), the pull-close mechanism comprises a gear (3) penetrating through the through hole (2) and meshed with a zipper tooth of a zipper, a spring (5) of which one end is connected with a rotating shaft (4) of the gear (3) and the other end is fixedly arranged so as to accumulate potential energy under the driving of the gear (3) when the zipper is pulled open, and the gear (3) is connected with the pull head body (1) through a mounting frame (6).

2. Slider according to claim 1, characterised in that the through hole (2) is located in the bottom plate of the slider body (1), the mounting frame (6) being fixedly connected to the lower end face of the bottom plate.

3. Slider according to claim 2, characterised in that said through hole (2) is located on the median line of said bottom plate.

4. A slide fastener, characterized by comprising a slider according to any one of claims 1 to 3.

5. A zipper according to claim 4, characterized in that the zipper comprises a lower stop (7), the lower stop (7) having therein a fixing mechanism which can be snapped with the slider to fix the slider.

6. A zipper according to claim 5, wherein the securing means is a spring catch (8).

7. A zipper according to claim 6, wherein the side of the coupling element facing the through hole (2) has an engagement tooth for engaging with the gear wheel (3).

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