CN204245337U - A kind of helical orbit formula trunk pull head of antihunting - Google Patents

Abstract

The utility model discloses a kind of helical orbit formula trunk pull head of antihunting, and its trunk is provided with one and is convenient to the chute that pulling-on piece pulls up and down, and this chute is provided with a screwed hole; Described pulling-on piece is provided with the screw rod matched with screwed hole in bottom, and the traveller matched with chute; With after screw rod screws in screwed hole, traveller slides up and down and is arranged in chute.The utility model pull head not only assembling procedure is few, greatly improves packaging efficiency, and it is easy to change pulling-on piece, is applied on sportswear, and that can reduce in motion process pulling-on piece significantly swings the impact brought sportsman, does not affect again the experience of pulling-on piece.

Description

An anti-swing spiral track type elephant trunk slider

technical field

The utility model relates to the structural improvement of the slider of the zipper, in particular to the structural improvement of the elephant trunk slider.

Background technique

The assembly process of the pull piece of the elephant trunk slider in the existing zipper and the slider body is as follows: first put the pull piece into the elephant trunk of the slider body, and then buckle the elephant trunk with the help of external force, so as to close the pull piece. The role of the elephant trunk. The specific structure can refer to the structure of CN95120040 "zipper slider" disclosed in Chinese patent literature on October 16, 1996. The assembly method of the slider body and the pull piece of the trunk slider in this structure is divided into the above two steps, and the assembly efficiency is low. Not to mention, relatively complex slider assembly equipment is also required.

The buckle type assembly pull tab structure adopted in the prior art on the elephant trunk also has the problem that it is difficult or impossible to replace the pull tab; Large swings, which can cause discomfort to athletes in motion if used on sports apparel.

Utility model content

Aiming at the problems existing in the prior art, the utility model provides an anti-swing spiral track type elephant trunk slider. The slider not only requires less assembly process, but also greatly improves the assembly efficiency, and it is easy to replace the pull tab. When applied to sportswear, it can reduce the impact of the large swing of the pull tab on athletes during exercise without affecting the use of the pull tab. experience.

In order to achieve the above object, the technical solution of the utility model is:

An anti-swing spiral track type elephant trunk slider, the pull piece of the elephant trunk slider is assembled on the trunk of the slider body; the elephant trunk forms a closed arch on the slider body; the elephant trunk A chute is provided on the top to facilitate the pulling up and down of the pull piece, and a threaded hole is provided on the chute; the bottom end of the pull piece is provided with a screw rod matching the threaded hole and a sliding post matching the chute; After the screw rod is screwed into the threaded hole, the sliding post slides up and down and is arranged in the chute.

A kind of anti-swing spiral track type elephant trunk slider as mentioned above, the elephant trunk is composed of separate left and right elephant trunks, so as to form a sliding column between the left and right elephant trunks. Slideway; the threaded holes are formed by the left and right threaded parts correspondingly arranged on the left and right elephant trunks. And the outer diameter of the screw rod is larger than the distance between the left and right elephant trunks, and the outer diameter of the sliding column is smaller than the distance between the left and right elephant trunks.

As mentioned above, a kind of anti-swing spiral track type elephant trunk slider, the bottom end of the pull piece is also protruded downward with left and right limiting protrusions, and the left and right limiting protrusions are higher than the screw rod. set, and have a certain distance from the sliding column, and are convexly arranged on both sides of the sliding column. And the distance between the left and right and limit protrusions is slightly larger than the outer width of the elephant trunk, so as to limit the left and right swing of the pull piece.

The benefits of the above technical solution are:

The assembly of the elephant trunk slider of the utility model is changed from the buckle-type assembly of the prior art to the screw-in type assembly. The pull tab is screwed into the threaded hole on the elephant trunk from top to bottom until the screw is out of the threaded hole, and the sliding column slides freely in the chute, and the assembly of the pull tab and the slider body is completed, which simplifies the assembly process and greatly improves the assembly process. efficiency. And when replacing the pull tab, just unscrew the pull tab and screw it into the slider body, the replacement of the pull tab is extremely simple and easy to operate. Because there is a chute for the pull piece to move up and down on the elephant trunk of the slider body, that is, the pull piece can move up and down under the action of the sliding column, which does not affect the use of the pull piece. Because the pull piece moves up and down in the slideway, it will not swing left and right. In addition, the bottom end of the pull piece is protruded with left and right limit protrusions, which further limits the left and right swing of the pull piece in motion, and will not cause too much damage. Large movements have relatively low impact on movement.

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the utility model and constitute a part of the utility model. The schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an improper limitation of the utility model . In the attached picture:

Figure 1-1 is a schematic diagram of the three-dimensional structure of the slider body of the present invention;

Figure 1-2 is a schematic diagram of the main structure of the slider body of the present invention;

Figure 2-1 is a schematic diagram of the three-dimensional structure of the pull tab of the present invention;

Fig. 2-2 is a schematic diagram of the main structure of the pull tab of the present invention;

Fig. 3-1 is a three-dimensional structural schematic diagram of the combined state of the elephant trunk slider of the present invention (the state when the elephant trunk slider engages the zipper);

Fig. 3-2 is a front view structural schematic diagram of the combination state of the elephant trunk slider of the present invention (the state when the elephant trunk slider engages the zipper);

Fig. 4-1 is the three-dimensional structural schematic diagram of the combined state of the elephant trunk slider of the present invention II (the state when the elephant trunk slider pulls the zipper);

Fig. 4-2 is the combined state structural schematic diagram II of the elephant trunk slider of the present invention (the state when the elephant trunk slider pulls the zipper);

Fig. 4-3 is a schematic view of the combined state of the elephant trunk slider of the present invention (the state when the elephant trunk slider pulls the zipper);

Figure 5-1 is a schematic diagram of the three-dimensional structure of the pull tab of the present invention that is not assembled on the slider body;

Figure 5-2 is a schematic diagram of the front view of the pull tab of the utility model that is not assembled on the slider body;

Figure 6-1 is a three-dimensional structural schematic diagram of the pull tab of the utility model assembled on the slider body;

Figure 6-2 is a schematic diagram of the front view of the pull tab of the utility model assembled on the slider body;

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer and clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

As shown in FIGS. 1-1 to 4-3 , an anti-swing spiral track type elephant trunk slider, the pull piece 20 of the elephant trunk slider is assembled on the elephant trunk 30 of the slider body 10 .

As shown in FIG. 1-1 and 1-2 , the elephant trunk 30 forms a closed arch on the slider body 10 . The elephant trunk 30 is provided with a chute 31 which is convenient for the pull tab 20 to be pulled up and down, and the chute 31 is provided with a threaded hole 32 so that the pull tab 20 is screwed in and assembled on the elephant trunk 30 .

As shown in Fig. 2-1 and 2-2, the pull tab 20 is integrally provided with a screw rod 21 and a sliding column 22 from bottom to top at the bottom end. The screw rod 21 matches the threaded hole 32 on the elephant trunk 30, so that the screw rod 21 is screwed into the threaded hole 32. The sliding column 22 is matched with the sliding groove 31 on the elephant trunk 30, so that after the screw rod 21 is screwed into the threaded hole 32, the sliding column 22 slides up and down and is arranged in the sliding groove 32.

From the schematic diagrams of the assembly process shown in Figures 5-1 to 6-2, it can be seen that the pull tab 20 of the utility model is screwed into the threaded hole 32 on the elephant trunk 30 from top to bottom, and the screw rod 21 is separated from the threaded hole 32, so that The sliding column 22 slides freely in the sliding groove 31, that is, the assembly of the pull piece 20 and the slider body 10 is completed, and the assembly efficiency is greatly improved. And adopt the way that the pull tab 20 is screwed into the slider body 10, as long as the screw rod 21 is screwed out and screwed into the threaded hole 32, the replacement of the pull tab 20 can be completed, and the replacement of the pull tab 20 is extremely simple and easy to operate.

The elephant trunk 30 in this embodiment is composed of separate left and right elephant trunks 30A, 30B, with a certain distance between the arched left and right elephant trunks 30A, 30B fixed on the slider body in parallel to form a slide Post 22 slides the slide way wherein. The threaded holes 32 are formed by the left and right threaded parts 32A, 32B correspondingly arranged on the left and right elephant trunks 30A, 30B. The appearance is streamlined, dynamic and fashionable, and the overall design sense is stronger.

In this embodiment, the outer diameter of the screw rod 21 is larger than the distance between the left and right elephant trunks 30A, 30B, and acts as a limit stop; and the outer diameter of the sliding column 22 is smaller than the distance between the left and right elephant trunks 30A, 30B, So that the pull tab 20 can freely slide up and down in the slideway formed between the left and right trunks 30A, 30B without slipping out of the slideway.

In this utility model, left and right limiting protrusions 23A, 23B are protruding downward at the bottom end of the pull piece 20, and the left and right limiting protrusions 23A, 23B are set higher than the screw rod 21; and as shown in Figure 2-2 As shown, the left and right limiting protrusions 23A, 23B are protruded on both sides of the sliding post 22 with a certain distance from the sliding post 22 . The utility model not only uses the way that the pull piece moves up and down in the slideway to limit the left and right swing of the pull piece, but also adopts the structure as shown in Figure 4-3 to further limit the left and right swing of the pull piece 20. The specific structure is: the distance L between the left and right and limiting protrusions 23A, 23B is only slightly larger than the outer width H of the elephant trunk 30, so that there is only a suitable rotation distance between the pull piece 20 and the elephant trunk 30. , the spacing is best at 4mm.

The above description shows and describes the preferred embodiments of the present utility model. As mentioned above, it should be understood that the present utility model is not limited to the forms disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various Various other combinations, modifications and environments can be made within the scope of the utility model concept described herein, through the above teachings or the technology or knowledge in the related field. However, changes and changes made by those skilled in the art do not depart from the spirit and scope of the utility model, and should all be within the protection scope of the appended claims of the utility model.

Claims (5)

1. An anti-swing spiral track type elephant trunk slider, the pull piece of the elephant trunk slider is assembled on the trunk of the slider body; it is characterized in that: the elephant trunk forms a closed ring on the slider body arched shape; the trunk is provided with a chute for easy pulling up and down of the pull piece, and the chute is provided with a threaded hole; the bottom end of the pull piece is provided with a screw rod matching the threaded hole, Matching struts; after the screw rod is screwed into the threaded hole, the struts slide up and down to be set in the chute. 2. A kind of anti-swing spiral track type elephant trunk slider as claimed in claim 1, characterized in that: said elephant trunk is composed of separate left and right elephant trunks, so that the left and right elephant trunks A slideway is formed for the sliding column to slide therein; the threaded hole is formed by the left and right threaded parts correspondingly arranged on the left and right elephant trunks. 3. An anti-swing spiral track type elephant trunk slider as claimed in claim 2, characterized in that: the outer diameter of the screw rod is greater than the distance between the left and right elephant trunks, and the outer diameter of the sliding column is smaller than that of the left and right elephant trunks. Nose spacing. 4. An anti-swing spiral track type elephant trunk slider as claimed in claim 1, 2 or 3, characterized in that: the bottom end of the pull piece also protrudes downward with left and right limit protrusions. Angle, the left and right limiting protruding angles are set higher than the screw rod, and have a certain distance from the sliding post, and are convexly arranged on both sides of the sliding post. 5. An anti-swing spiral track type elephant trunk slider as claimed in claim 4, characterized in that: the distance between the left and right and limit protrusions is slightly larger than the outer width of the elephant trunk to limit the pull piece swing left and right.