阅读说明：本技术 一种拉链用拉头 (Puller for zipper ) 是由 李亚利 陈泽欣 刘玉婷 于 2019-11-08 设计创作，主要内容包括：本发明属于生活用品技术领域,具体的说是一种拉链用拉头,包括壳体与拉杆,所述拉杆位于壳体外表面上；所述壳体外表面设有锁紧模块,所述锁紧模块包括收紧杆、支撑腔、转杆与锁紧块,所述收紧杆顶端设有锁紧台,所述锁紧台上设置有导向槽；本发明通过在拉头外表面设置锁紧模块,使得拉头在对两侧的拉链进行拉合前,位于拉头前段的锁紧模块首先对两侧的拉链进行预收紧,使得拉头更轻松方便的对两侧的拉链进行拉合,从而提高了拉链拉头的使用效果与工作寿命；且本发明通过在锁紧台顶面上设有磁铁,当不需要使用收紧杆对两侧的拉链进行收紧时,通过磁铁将收紧杆固定在壳体两侧,使得拉头在使用的过程中更加轻松与便捷。(The invention belongs to the technical field of articles for daily use, and particularly relates to a pull head for a zipper, which comprises a shell and a pull rod, wherein the pull rod is positioned on the outer surface of the shell; the locking module is arranged on the outer surface of the shell and comprises a tightening rod, a supporting cavity, a rotating rod and a locking block, a locking table is arranged at the top end of the tightening rod, and a guide groove is formed in the locking table; according to the invention, the locking module is arranged on the outer surface of the pull head, so that the locking module positioned at the front section of the pull head pre-tightens the zippers on the two sides before the pull head closes the zippers on the two sides, so that the pull head can easily and conveniently close the zippers on the two sides, and the use effect and the service life of the pull head of the zippers are improved; in addition, the magnet is arranged on the top surface of the locking platform, so that when the zippers on the two sides are not required to be tightened by using the tightening rods, the tightening rods are fixed on the two sides of the shell through the magnet, and the puller is easier and more convenient to use.)

1. A slider for a zipper comprises a shell (1) and a pull rod (2), wherein the pull rod (2) is positioned on the outer surface of the shell (1); the method is characterized in that: the locking module (3) is arranged on the outer surface of the shell (1), the locking module (3) comprises tightening rods (4), a supporting cavity (5), a rotating rod (6) and a locking block (7), the tightening rods (4) are symmetrically hinged to the top surface of the shell (1), locking platforms (8) are arranged at the top ends of the tightening rods (4), arc-shaped guide grooves (81) are formed in the locking platforms (8), and locking grooves (82) are formed in the inner ends of the guide grooves (81); the bottom end in the supporting cavity (5) is provided with a sliding plate (51), the sliding plate (51) is connected with the bottom surface of the supporting cavity (5) through a spring, the top of the sliding plate (51) is rotatably connected with a supporting rod (52), the middle part of the supporting rod (52) is connected with a limiting plate (53), the bottom end of the top surface of the supporting cavity (5) is provided with a limiting groove (54), and the limiting plate (53) is positioned in the limiting groove (54) and can slide in the limiting groove; the other end of the supporting rod (52) is connected with a rotating rod (6), the two ends of the rotating rod (6) are connected with locking blocks (7), and the rotating rod (6) can drive the locking blocks (7) to slide to the inner end of the guide groove (81) when rotating.

2. A slider for a slide fastener according to claim 1, wherein: the bottom end of the locking block (7) is wrapped with an elastic layer (71) made of a layer of rubber material, and the outer surface of the elastic layer (71) is set to be a smooth surface.

3. A slider for a slide fastener according to claim 2, wherein: the shape of the bottom end of the locking block (7) is a circular truncated cone with the radius gradually reduced from top to bottom, and the opening shape of the locking groove (82) is gradually reduced from top to bottom.

4. A slider for a slide fastener according to claim 1, wherein: a clamping groove (55) is formed in the inner wall of the bottom end of the supporting cavity (5), a clamping block (56) is arranged on the side wall of the bottom end of the sliding plate (51), and the clamping block (56) is located inside the clamping groove (55).

5. A slider for a slide fastener according to claim 1, wherein: all be equipped with magnet (83) on locking platform (8) top surface, magnet (83) can be rather than casing (1) lateral wall inter attraction of one side.

6. A slider for a slide fastener according to claim 1, wherein: the bottom end of the tightening rod (4) is set to be in an arc shape which is folded inwards, and the bottommost end of the tightening rod (4) is set to be in arc transition.

Technical Field

The invention belongs to the technical field of articles for daily use, and particularly relates to a pull head for a zipper.

Background

Slide fasteners are connecting members for joining or separating articles by means of continuously arranged fastener elements, and are now used in a large number of applications such as clothing, packaging bags, tents, and the like. Fasteners, which may be formed of two strips each having a row of metal or plastic teeth, are used to attach to the edge of an opening (e.g., a garment or bag opening), and a slider is provided to pull the two rows of teeth into an interlocked position to close the opening, or may be attached to something to tighten, stabilize or guide the chain of the thing.

Install zip fastener on storing bag often is used for the closure and the save of article in the bag, when filling with article in the storing bag, the zip fastener of bag both sides is often pulled both sides by extruded article, draw the in-process of closing at the zip fastener pull head, often need tighten up the zip fastener of pull head both sides earlier, make the zip fastener on pull head both sides draw close to conveniently each other, and adopt manual zip fastener with both sides to tighten up and draw close not only time-consuming and energy-consuming, still can lead to the zip fastener of both sides to collapse of tight zip fastener in the in-process of drawing close and lead to the pull head, thereby influence the normal use of storing bag.

In view of this, the invention provides the slider for the zipper, which can effectively tighten the zippers on the two sides of the slider, thereby greatly improving the using effect and the service life of the slider for the zipper.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides the zipper puller, which can effectively tighten the zippers on the two sides of the zipper puller, thereby greatly improving the using effect and prolonging the service life of the zipper puller.

The technical scheme adopted by the invention for solving the technical problems is as follows: a pull head for a zipper comprises a shell and a pull rod, wherein the pull rod is positioned on the outer surface of the shell; the locking module is arranged on the outer surface of the shell and comprises a tightening rod, a supporting cavity, a rotating rod and a locking block, the tightening rod is symmetrically hinged to the top surface of the shell, locking platforms are arranged at the top ends of the tightening rod, arc-shaped guide grooves are formed in the locking platforms, and locking grooves are formed in the inner ends of the guide grooves; the bottom end of the inner part of the supporting cavity is provided with a sliding plate, the sliding plate is connected with the bottom surface of the supporting cavity through a spring, the top of the sliding plate is rotatably connected with a supporting rod, the middle part of the supporting rod is connected with a limiting plate, the bottom end of the top surface of the supporting cavity is provided with a limiting groove, and the limiting plate is positioned in the limiting groove and can slide in the limiting groove; the other end of the supporting rod is connected with a rotating rod, the two ends of the rotating rod are both connected with locking blocks, and the rotating rod can drive the locking blocks to slide to the inner ends of the guide grooves when rotating; when the zipper puller is used for manually pulling and closing the zippers on the two sides, time and labor are wasted, the zippers on the two sides are too tight in the pulling and closing process, and the puller is broken down, so that the normal use of the storage bag is influenced; when the zipper puller works, the rotating rod is manually rotated to drive the locking blocks at two ends to slide to the inner end of the guide groove, the limiting plate connected with the middle part of the supporting rod moves to the side wall of the limiting groove, pressure is applied to the rotating rod at the moment, the rotating rod moves downwards and drives the supporting rod to move downwards through the sliding plate extruding the bottom end, so that the supporting rod drives the limiting plate to be separated from the limiting groove in the downward movement process, the rotating rod synchronously drives the locking blocks at two ends to be inserted into the locking groove in the downward movement process, the rotating plate rotates again at the moment, the rotating plate drives the upper surface of the limiting plate at the middle part of the supporting plate to slide to the inner wall of the top surface of the supporting cavity while rotating, the inner wall of the top surface of the supporting cavity limits the upper surface of the contacted limiting plate at the moment, the movement of the limiting plate in the, The rotating rod and the locking block are limited, so that the locking block is tightly inserted into the locking groove, the locking groove and the locking block positioned inside are limited mutually, the tightening rod is tightly attached to two ends of the zipper under the limitation of the locking block at the top and the locking groove, and the arranged tightening rods firstly pre-tighten the zippers at two sides before the zipper slider closes the zipper, so that the zipper slider can more conveniently and easily close the zippers at two sides; the beneficial effects of the invention are as follows: through setting up locking module at the pull head surface for the pull head is before the zip fastener to both sides is drawn and is closed, and the locking module that is located the pull head anterior segment at first tightens up in advance to the zip fastener of both sides, makes the pull head more light convenient draws the zip fastener to both sides and closes, thereby has improved the result of use and the working life of zip fastener pull head.

Preferably, the bottom ends of the locking blocks are wrapped with a layer of elastic layer made of rubber materials, and the outer surface of the elastic layer is set to be a smooth surface; during operation, the elastic layer that the latch segment bottom set up makes the latch segment can compress tightly rather than the inner wall laminating when inserting the locking inslot portion, thereby make the latch segment carry out more effectual spacing and fixed to the tightening rod of locking inslot bottom, simultaneously the latch segment can take place elastic deformation at the in-process that slides in the inside guide way, it leads to the difficulty of sliding in of latch segment to reduce the rigidity extrusion between latch segment outer wall and the guide way inner wall, and the elastic layer surface of smooth surface can effectual friction and the wearing and tearing between reduction latch segment and the guide way lateral wall, make the latch segment more convenient light insert to the locking inslot portion, thereby convenience when having strengthened the use of zip fastener pull head.

Preferably, the bottom end of the locking block is in a shape of a circular truncated cone with a gradually reduced radius from top to bottom, and the opening of the locking groove is gradually reduced from top to bottom; during operation, through the opening shape that sets up latch segment bottom and locking groove for the latch segment can be more easily stable insert to the locking inslot portion when moving to locking groove one side, and can make the laminating that the latch segment top surface is inseparable stable more on the locking inslot wall, has strengthened the fixed effect of latch segment to the locking groove, thereby makes the tightening rod of locking inslot bottom more stable at the during operation, the effectual stability that improves the zip fastener pull head when using.

Preferably, a clamping groove is formed in the inner wall of the bottom end of the supporting cavity, and a clamping block is arranged on the side wall of the bottom end of the sliding plate and located in the clamping groove; the during operation, when the bull stick drives the bracing piece and rotates, the moment of torsion is exerted to the slide upper surface of contact to the bracing piece bottom, thereby make the slide rotate under the effect of commentaries on classics board easily, thereby make the pivoted slide drive the spring of the connection of bottom take place distortion, influence the stability of zip fastener pull head work, this moment through the fixture block and the draw-in groove that set up, make the draw-in groove lateral wall carry on spacingly and fixed to the fixture block that is located inside, reduce the rotation that the slide takes place under the effect of backup pad, thereby stability when further reinforcing zip fastener pull head uses.

Preferably, magnets are arranged on the top surfaces of the locking tables and can attract the side walls of the shell on one side of the magnets; the during operation, when the zip fastener at pull head both ends can easily draw in, the zip fastener of both sides need not to use again this moment to tighten up the pole in advance, and the zip fastener that both sides were loosened has also increased the slip of tightening up the pole on its surface, make the user inconvenient to draw the zip fastener and close, thereby influence the normal use of pull head, through rotating the locking platform this moment, make the magnet adsorption of locking bench fix on the casing lateral wall, thereby make to tighten up the pole and fix in the casing both sides, make to tighten up the pole and no longer tighten up the zip fastener of both sides, thereby the convenience when the zip fastener pull head used has further been strengthened.

Preferably, the bottom end of the tightening rod is set to be an arc shape which is folded inwards, and the bottommost end of the tightening rod is set to be in arc transition; the during operation, set the pole bottom of tightening up to the circular-arc that inwards draws in through will, make the pole of tightening up better exert pressure to the zip fastener lateral wall when the zip fastener both ends slide, thereby make drawing in near the pull head that the zip fastener of both sides is lighter stable, and set the circular arc transition to through the bottom that will tighten up the pole, reduce the resistance that the pole bottom receives when the zip fastener both sides slide, thereby make the more effectual zip fastener to the pull head both sides of tightening up the pole tighten up in advance, further reinforcing the convenience and the validity of zip fastener pull head in the use.

The invention has the following beneficial effects:

1. according to the invention, the locking module is arranged on the outer surface of the pull head, so that the locking module positioned at the front section of the pull head pre-tightens the zippers on the two sides before the pull head closes the zippers on the two sides, so that the pull head can easily and conveniently close the zippers on the two sides, and the use effect and the service life of the pull head of the zippers are improved.

2. According to the invention, the magnets which are mutually attracted with the side wall of the shell are arranged on the top surface of the locking platform, when the zippers on the two sides are not required to be pre-tightened by using the tightening rods, the tightening rods are fixed on the two sides of the shell by being adsorbed on the side wall of the shell through the magnets, so that the tightening rods do not tighten the zippers on the two sides any more, and the convenience of using the zipper puller is further enhanced.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a top view of the locking module of the present invention;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a cross-sectional view taken at B-B of FIG. 3;

FIG. 5 is a schematic view of the construction of the tightening rod of the present invention;

in the figure: the locking device comprises a shell 1, a pull rod 2, a locking module 3, a tightening rod 4, a supporting cavity 5, a sliding plate 51, a supporting rod 52, a limiting plate 53, a limiting groove 54, a clamping groove 55, a clamping block 56, a rotating rod 6, a locking block 7, an elastic layer 71, a locking platform 8, a guide groove 81, a locking groove 82 and a magnet 83.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the following embodiments.

As shown in fig. 1 to 5, the slider for a slide fastener according to the present invention includes a housing 1 and a pull rod 2, wherein the pull rod 2 is located on an outer surface of the housing 1; the locking module 3 is arranged on the outer surface of the shell 1, the locking module 3 comprises a tightening rod 4, a supporting cavity 5, a rotating rod 6 and a locking block 7, the tightening rod 4 is symmetrically hinged to the top surface of the shell 1, locking platforms 8 are arranged at the top ends of the tightening rod 4, an arc-shaped guide groove 81 is formed in each locking platform 8, and a locking groove 82 is formed in the inner end of each guide groove 81; the bottom end of the inside of the supporting cavity 5 is provided with a sliding plate 51, the sliding plate 51 is connected with the bottom surface of the supporting cavity 5 through a spring, the top of the sliding plate 51 is rotatably connected with a supporting rod 52, the middle part of the supporting rod 52 is connected with a limiting plate 53, the bottom end of the top surface of the supporting cavity 5 is provided with a limiting groove 54, and the limiting plate 53 is positioned in the limiting groove 54 and can slide in the limiting groove 54; the other end of the support rod 52 is connected with a rotating rod 6, the two ends of the rotating rod 6 are both connected with locking blocks 7, and the rotating rod 6 can drive the locking blocks 7 to slide to the inner end of the guide groove 81 when rotating; when the zipper puller is used for manually pulling and closing the zippers on the two sides, time and labor are wasted, the zippers on the two sides are too tight in the pulling and closing process, and the puller is broken down, so that the normal use of the storage bag is influenced; when the zipper puller works, the rotating rod 6 is manually rotated to drive the locking blocks 7 at two ends to slide to the inner end of the guide groove 81, the limit plate 53 connected with the middle part of the supporting rod 52 moves to the side wall of the limit groove 54, pressure is applied to the rotating rod 6 at the moment, the rotating rod 6 is driven to move downwards while driving the supporting rod 52 to move downwards through the sliding plate 51 extruding the bottom end, so that the supporting rod 52 drives the limit plate 53 to be separated from the limit groove 54 in the downward movement process, the rotating rod 6 synchronously drives the locking blocks 7 at two ends to be inserted into the locking groove 82 in the downward movement process, the rotating plate is rotated again at the moment, the rotating plate drives the upper surface of the limit plate 53 at the middle part of the supporting plate to slide to the inner wall of the top surface of the supporting cavity 5 while rotating, the inner wall of the top surface of the supporting cavity 5 limits the upper surface of the contacted limit plate 53 at the moment, therefore, the limiting plate 53 limits the connected support rod 52, the rotating rod 6 and the locking block 7, the locking block 7 is tightly inserted into the locking groove 82, the locking groove 82 and the locking block 7 positioned inside are limited mutually, at the moment, the tightening rod 4 is tightly attached to two ends of the zipper under the limitation of the locking block 7 at the top and the locking groove 82, before the zipper is closed by the zipper slider, the arranged tightening rod 4 firstly pre-tightens the zippers at two sides, and therefore the zipper slider can more conveniently and easily close the zippers at two sides; the beneficial effects of the invention are as follows: through setting up locking module 3 at the pull head surface for the pull head is before the zip fastener to both sides is drawn and is closed, and the locking module 3 that is located the pull head anterior segment at first tightens up in advance to the zip fastener of both sides, makes the pull head more light convenient draws the zip fastener to both sides and closes, thereby has improved the result of use and the working life of zip fastener pull head.

As an embodiment of the invention, the bottom ends of the locking blocks 7 are respectively wrapped with a layer of elastic layer 71 made of rubber material, and the outer surface of the elastic layer 71 is set to be a smooth surface; during operation, the elastic layer 71 that the latch segment 7 bottom set up makes the latch segment 7 can compress tightly rather than the inner wall laminating when inserting the locking groove 82 inside, thereby make the latch segment 7 carry out more effectual spacing and fixed to the tightening rod 4 of locking groove 82 bottom, the latch segment 7 can take place elastic deformation at the in-process that slips into the inside of guide way 81 simultaneously, it leads to the difficulty of slipping into of latch segment 7 to reduce the rigidity extrusion between latch segment 7 outer wall and the guide way 81 inner wall, and the elastic layer 71 surface of smooth surface can effectual reduction friction and wearing and tearing between latch segment 7 and the guide way 81 lateral wall, make the latch segment 7 more convenient light insert to the locking groove 82 inside, thereby the convenience when having strengthened the use of zip fastener pull head.

As an embodiment of the present invention, the bottom end of the locking block 7 is shaped like a truncated cone with a gradually decreasing radius from top to bottom, and the opening shape of the locking groove 82 is gradually decreased from top to bottom; during operation, through the opening shape that sets up latch segment 7 bottom and locking groove 82, make latch segment 7 can be more easily stable insert to locking groove 82 when moving to locking groove 82 one side inside, and can make the laminating of latch segment 7 top surface inseparabler stable more on the locking groove 82 inner wall, the fixed effect of latch segment 7 to locking groove 82 has been strengthened, thereby make the tightening rod 4 of locking groove 82 bottom more stable at the during operation, the effectual stability that improves the zip fastener pull head when using.

As an embodiment of the present invention, a clamping groove 55 is formed on an inner wall of the bottom end of the support cavity 5, a clamping block 56 is formed on a side wall of the bottom end of the sliding plate 51, and the clamping block 56 is located inside the clamping groove 55; the during operation, when bull stick 6 drives bracing piece 52 and rotates, the moment of torsion is exerted to the slide 51 upper surface of bracing piece 52 bottom to the contact, thereby make slide 51 rotate under the effect of commentaries on classics board easily, thereby make pivoted slide 51 drive the spring of the connection of bottom take place distortion, influence the stability of zip fastener pull head work, this moment through fixture block 56 and the draw-in groove 55 that sets up, make draw-in groove 55 lateral wall carry on spacingly and fixed to the fixture block 56 that is located inside, reduce the rotation that slide 51 takes place under the effect of backup pad, thereby stability when further reinforcing zip fastener pull head uses.

As an embodiment of the present invention, the top surfaces of the locking platforms 8 are all provided with magnets 83, and the magnets 83 can attract the side walls of the housing 1 on one side thereof; the during operation, when the zip fastener at pull head both ends can easily draw in, the zip fastener of pole 4 to both sides no longer need to be used to tighten up this moment in advance, and the zip fastener that both sides are loosened has also increased the slip of tightening up pole 4 at its surface, make the user inconvenient to draw the zip fastener and close, thereby influence the normal use of pull head, this moment through rotating locking platform 8, make magnet 83 on the locking platform 8 adsorb to be fixed on casing 1 lateral wall, thereby make tightening up pole 4 to fix in casing 1 both sides, make tightening up pole 4 no longer tighten up the zip fastener of both sides, thereby the convenience when the zip fastener pull head used has further been strengthened.

As an embodiment of the present invention, the bottom end of the tightening rod 4 is set to be a circular arc shape which is folded inwards, and the bottom end of the tightening rod 4 is set to be a circular arc transition; the during operation, set the 4 bottom of tightening rod to the circular-arc that inwards draws in through setting, make tightening rod 4 better exert pressure to the zip fastener lateral wall when the zip fastener both ends slide, thereby make the zip fastener of both sides more light stable drawing in near the pull head, and set the circular arc transition to through the bottom that will tighten up rod 4, reduce the resistance that the 4 lowest of tightening rod receives when the zip fastener both sides slide, thereby make tightening rod 4 more effectual zip fastener to the pull head both sides tighten up in advance, further reinforcing the convenience and the validity of zip fastener pull head in the use.

During operation, the rotating rod 6 is manually rotated to drive the locking blocks 7 at two ends to slide to the inner end of the guide groove 81, the limiting plate 53 connected to the middle part of the supporting rod 52 moves to the side wall of the limiting groove 54 at the moment, pressure is applied to the rotating rod 6 at the moment, the rotating rod 6 moves downwards and simultaneously drives the supporting rod 52 to move downwards through the sliding plate 51 extruding the bottom end, so that the supporting rod 52 drives the limiting plate 53 to break away from the inside of the limiting groove 54 in the downward movement process, the rotating rod 6 synchronously drives the locking blocks 7 at two ends to insert into the locking grooves 82 in the downward movement process, the rotating plate is rotated again at the moment, the rotating plate drives the upper surface of the limiting plate 53 at the middle part of the supporting plate to slide to the inner wall of the top surface of the supporting cavity 5, the inner wall of the top surface of the supporting cavity 5 limits the upper surface of the limiting plate 53 in contact, the movement of the limiting plate 53 in the, The rotating rod 6 and the locking block 7 are limited, so that the locking block 7 is tightly inserted into the locking groove 82, the locking groove 82 and the locking block 7 positioned inside are limited mutually, at the moment, the tightening rod 4 is tightly attached to two ends of the zipper under the limitation of the locking block 7 at the top and the locking groove 82, before the zipper is pulled by the zipper pull head, the arranged tightening rod 4 firstly pre-tightens the zippers at two sides, and therefore the zipper pull head can pull the zippers at two sides more conveniently and easily; the beneficial effects of the invention are as follows: through setting up locking module 3 at the pull head surface for the pull head is before the zip fastener to both sides is drawn and is closed, and the locking module 3 that is located the pull head anterior segment at first tightens up in advance to the zip fastener of both sides, makes the pull head more light convenient draws the zip fastener to both sides and closes, thereby has improved the result of use and the working life of zip fastener pull head.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.