TWM551849U - Structurally improved slider for slide fastener - Google Patents

Description

Structural improvement of the zipper head

The creation department is related to the zipper head, and particularly relates to a reinforcing structure in which the zipper head is different from the pulling direction of the plurality of sprocket teeth, so that the zipper spring piece can not be deformed or broken when subjected to a large pulling force or a torque. It can ensure that the zipper spring clips are buckled on the fastener elements, so that the zipper head does not slide, and the zipper head structure which does not separate the meshing zipper is improved.

The object that temporarily combines two objects with each other is nothing more than the use of a button or zipper structure. Compared with buttons, the zipper structure has better usability and stronger structural characteristics. The general zipper structure has a zipper head and a zipper tape. The zipper head is mainly used with the zipper tape as a zipper structure for reciprocating pulling of the connecting component. It will make the zipper structure more popular in clothing, suitcases, handbags, tents and sleeping bags.

The zipper head comprises an integrally formed body, a zipper spring and a pulling unit; the zipper spring and the pulling unit are fixed to the body, and a clamping portion is formed on each side of the front portion of the body, and the engaging portion can be Through the action of the pulling unit, the metal fastener elements on the two chain belts are engaged with each other to form a meshing state.

One side of the zipper spring piece forms a hook portion, and the other side forms a side portion, and the hook portion is conveniently inserted into the inner wall of the front side of the body; the pulling unit is convenient for the user to pull to make the metal on the two chain belt The sprocket can be engaged or disengaged from each other, and the window is formed with a window for inserting the zipper spring. The pulling unit has a connecting rod formed on one side thereof, and the connecting rod is provided with a recessed portion. For positioning of the zipper spring piece; when the pulling unit moves to one side, the side portion of the zipper spring piece can be raised upwards and moved away from the groove by the linkage of the concave portion, so as to facilitate the two chain belts. The metal sprocket can be smoothly pulled up and down. On the contrary, the positioning function of the side between the sprocket can be avoided to prevent the body from sliding down.

Wherein, when the side portion leaves the groove, there is no supporting structure around the side portion, and when the pulling unit is inadvertently or strongly twisted or subjected to a large torque, the side sectional area is subjected to a large force, and the side portion is easy to be used. Deformation or fracture, once the side is deformed or broken, it cannot be stuck between the fastener elements to avoid the movement of the zipper head, or the zipper that has been engaged is subjected to the force on both sides, which is easy to occur due to the positioning of the side portion and prevent slipping If the function is not good, the meshing element will be opened and the zipper will move in the direction of pulling, and the zipper will be opened. If it is indecent and rude in an important occasion, there will be a loss of face, and even the situation will occur. There is indeed room for improvement.

In view of this, the creation is related to the zipper head, and particularly relates to a reinforcing structure in which the zipper head is different from the pulling direction of the plurality of sprocket teeth, so that the zipper spring piece does not deform when subjected to a large pulling force or a torque. Or break, but to ensure that the zipper spring clips are snapped to the sprocket, so that the zipper head does not slide, and the zipper head structure that does not separate the zipper is improved, which is the main purpose.

The zipper head of the present invention mainly has a body, a zipper spring and a pulling unit. The body is connected to the upper plate body and the lower plate body by a guiding column, and the zipper spring piece has a moving portion on the one side with respect to the body. The upper plate body is provided with a hole communicating with the guiding groove, and the gear portion is inserted, and the pulling unit is placed on the body to move the gear portion; wherein the hole is close to the guiding column side and opposite A protrusion is formed on the lower surface of the upper plate body to extend downward.

The user pulls the pulling unit in a pulling direction to engage the plurality of sprocket teeth on the zipper, and moves to the body by the gear portion to be inserted into the sprocket to achieve the positioning effect, because the protruding portion is located in the pulling direction. On the side, the protruding portion can be used to abut the gear portion so as not to be deformed or broken when subjected to a large pulling force or a torque, and the gear portion can be buckled on the zipper of the zipper so that the zipper head does not slide. The meshed zipper will not be separated.

According to the above technical feature, at least one interference structure is further disposed between the protruding portion and the gear portion to increase the friction between the protruding portion and the gear portion.

According to the above technical feature, the interference structure is located at the gear portion and is a protrusion protruding from the surface of the gear portion.

According to the above technical feature, the interference structure is located at the protrusion and is a protrusion protruding from the surface of the protrusion.

According to the above technical feature, the hook portion has at least one fixing portion for the card to be fixed on the body.

According to the above technical feature, the pulling unit forms a window for the zipper spring to penetrate, and the pulling unit forms a cam-shaped pivot on one side of the window.

In order to understand the technical characteristics, content and advantages of the creation and the effects that can be achieved by the examiner, the author will use the drawings in detail and explain the following in the form of the examples, and the drawings used therein The subject matter is only for the purpose of illustration and supplementary instructions. It is not necessarily the true proportion and precise configuration after the implementation of the original creation. Therefore, the proportions and configuration relationships of the attached drawings should not be interpreted or limited in the actual implementation scope. First described.

Please refer to FIG. 1 for a perspective view of the structure of the zipper head of the present invention, and FIG. 2 is a perspective exploded view showing the structure of the zipper head of the present invention. The zipper head 10 of the present invention mainly has a body 1 and a The zipper spring piece 2 and the pulling unit 3 are manufactured by injection molding using a thermoplastic resin or a thermoplastic resin material to which a wear-resistant reinforcing material is added, or by using a metal material such as a zinc alloy or an aluminum alloy. Mold is made by die-casting, and can be formed into different colors by using plating or baking varnish, or special patterns can be set to facilitate matching with different styles and patterns of clothing;

The main body 1 is integrally formed and connected to the upper plate body 12 and the lower plate body 13 by a guiding column 11 and includes a guiding groove 14 between the upper and lower plates 12 and 13, and the upper plate body 12 is arranged There is a hole 121 communicating with the guiding groove 14 and a through hole 122 deep in the guiding column 11.

The zipper spring 2 has a hook portion 21 that is locked to the body 1 on the other side, and has a gear portion 22 that moves relative to the body 1 on the other side, and the gear portion 22 is inserted into the guide groove 14 by the hole 121; The hook portion 21 has at least one fixing portion 211 for the card to be fixed on the body 1.

The pulling unit 3 is placed on the body 1 to move the gear portion 22; wherein the pulling unit 3 forms a window 31 for the zipper spring 2 to be inserted, and the pulling unit 3 is at the window 31. A cam-like pivot 32 is formed on one side.

For the overall assembly, please refer to FIG. 3 and FIG. 4 at the same time. First, the pulling unit 3 is placed on the body 1 first, and the window 31 of the pulling unit is corresponding to the hole 121 of the body; and then the zipper spring 2 is attached. The hook portion 21 is inserted into the through hole 122 and inserted into the window 31 and inserted into the hole 121, wherein the fixing portion 211 of the hook portion is locked in the guiding post 11 for positioning, so that the pivot 32 is rotatably positioned at the The assembly between the upper plate body 12 and the zipper spring 2 is completed.

As shown in FIG. 3, the hole 121 is adjacent to the side of the guiding post 11 and extends downward with respect to the lower surface of the upper plate body 12 to form a protruding portion 123. The protruding portion 123 is available for the step portion. 22 phased off.

In the state of use, as shown in Fig. 5, the state in which the shutter portion 22 of the zipper spring piece 2 of Fig. 3 is engaged is described, and the engagement state of the gear portion 22 and the meshing fastener element (not shown) and the zipper of the meshing fastener element are released. The pulling operation, as shown in Fig. 5, when the pulling unit 3 of the slider 10 is pulled up with the hand upward, the pivot 32 of the pulling unit 3 rotates accordingly, due to the cam-like form of the pivot 32, As the pivot 32 of the pulling unit 3 rotates, the zipper spring 2 also rises in the direction in which the snap-in state is released. At this time, the zipper spring 2 is formed by the hook portion 21 as a fixed end, and the flap portion is formed. 22 moves upward in the hole 121, and releases the engagement state between the gear portion 22 and the meshing element 41. When the engagement state of the gear portion 22 and the meshing element 41 is released, the slider 1 can freely slide. By sliding the zipper head 1 freely, the zipper of the meshing sprocket can be pulled apart to the left and right, or the plurality of sprocket teeth can be engaged with each other to form an engaged state.

When the pulling unit 3 is pulled in a pulling direction T1, the plurality of sprocket teeth on the zipper 4 can be engaged with each other to a predetermined position, and the pulling unit 3 of the zipper head 10 can be pressed by the hand toward the body 1 as in the first step. As shown in Fig. 6, the pivot 32 of the pulling unit 3 rotates accordingly, and the zipper spring 2 also moves in the direction of the engagement state. At this time, the zipper spring 2 also forms a motion like a seesaw, and the gear portion 22 is in the hole. Moving downward in the 121, the gear portion 22 of the zipper spring 2 is engaged with the meshing sprocket 41, and the body 1 can be prevented from sliding downward.

In the present invention, the protruding portion 123 is located on the opposite side of the pulling direction T1, and the protruding portion 123 can be used to abut the blocking portion 22 so as not to be deformed or broken when subjected to a large pulling force or a torque. It can also provide reinforcement when the meshing sprocket is stressed on both sides, and can ensure that the gear portion 22 is snapped on the sprocket 41 of the zipper so that the zipper head does not slide, and the meshed zipper does not separate.

Furthermore, at least one interference structure is further disposed between the protruding portion and the gear portion. As shown in FIG. 7, the interference structure 51 is located in the gear portion 22 and protrudes from the surface of the gear portion 22. Or as shown in FIG. 8, the interference structure 51 is located at the protruding portion 123 and is a protrusion protruding from the surface of the protruding portion 123. With the interference structure, the protruding portion and the portion can be increased. The frictional force allows the gear to withstand greater tension or torque.

In summary, the present invention provides a structural improvement of a better and feasible zipper head, and an application for a new patent is proposed according to law; the technical content and technical features of the present invention are disclosed above, but those skilled in the art may still be based on this The creation of the creation and the various changes and modifications that do not depart from the creative spirit of the case. Therefore, the scope of the present invention is not limited to the embodiments disclosed, but includes various alternatives and modifications that do not depart from the present invention and are covered by the following claims.

T1‧‧‧ Pulling direction
10‧‧‧ zipper head
1‧‧‧ Ontology
11‧‧‧Guide column
12‧‧‧Upper body
121‧‧‧ hole
122‧‧‧Perforation
123‧‧‧protrusion
13‧‧‧ Lower plate
14‧‧‧ Guide slot
2‧‧‧Zipper shrapnel
21‧‧‧ hook
211‧‧‧ Fixed Department
22‧‧‧ Department
3‧‧‧ Pull unit
31‧‧‧ window
32‧‧‧ pivot
4‧‧‧ zipper
41‧‧‧ sprocket
51‧‧‧Interference structure

Fig. 1 is a perspective view showing the structure of the zipper head in the creation. Fig. 2 is a perspective exploded view showing the structure of the zipper head in the creation. Figure 3 shows the first structure of the zipper head in the creation. Figure 4 is a schematic view showing the second structure of the zipper head in the creation. Figure 5 is a schematic view showing the first use state of the zipper head in the creation. Figure 6 is a schematic view showing the second state of use of the zipper head in the present creation. Fig. 7 is a schematic view showing the structure of the first embodiment of the interference structure in the present creation. Figure 8 is a schematic view showing the structure of the second embodiment of the interference structure in the present creation.

11‧‧‧Guide column

12‧‧‧Upper body

121‧‧‧ hole

122‧‧‧Perforation

123‧‧‧protrusion

14‧‧‧ Guide slot

2‧‧‧Zipper shrapnel

21‧‧‧ hook

211‧‧‧ Fixed Department

22‧‧‧ Department

3‧‧‧ Pull unit

31‧‧‧ window

32‧‧‧ pivot

Claims (6)

The structure of the zipper head is improved. The zipper head mainly has a body, a zipper spring and a pulling unit. The body is connected by a guiding column to the upper plate and the lower plate, and includes a guiding between the upper and lower plates. a slot, the zipper spring has a hook portion on the side of the body, and the other side has a gear portion that moves relative to the body, the upper plate body is provided with a hole communicating with the guide groove, and is provided for the slot portion Inserting, and the pulling unit is placed on the body to move the gear; wherein: the hole is adjacent to a side of the guiding post and extends downward with respect to a lower surface of the upper plate body to form a protrusion The protrusion is adapted to abut the gear. The structure of the zipper head according to claim 1 is improved, wherein at least one interference structure is further disposed between the protruding portion and the gear portion to increase the friction between the protruding portion and the gear portion. The structure of the zipper head according to claim 2, wherein the interference structure is located at the step and is a protrusion protruding from a surface of the step. The structure of the zipper head according to claim 2 is improved, wherein the interference structure is located at the protrusion and is a protrusion protruding from the surface of the protrusion. The structure of the zipper head according to any one of claims 1 to 4, wherein the hook portion has at least one fixing portion for the card to be fixed to the body. The structure of the zipper head according to any one of claims 1 to 4, wherein the pulling unit forms a window for the zipper spring to penetrate, and the pulling unit has a cam shape on one side of the window. The pivot.