TW201728838A - Guided fastener, forming punch and driving tool - Google Patents

Abstract

A fastener is characterized by a bottom of a drive socket, a bottom border disposed on a periphery of the bottom, a top border connected with a top face, and a plurality of drive walls connecting together and extending from the bottom border to the top border. The bottom border and the top border respectively have a same number of corners. The corners of the bottom border are rotatably offset relative to the corners of the top border. A joining line connects between each corner of the bottom border and each corner of the top border, and one drive wall formed between any two of the adjacent joining lines is in a spiral form. The spiral drive walls lead a driving tool toward the bottom of the drive socket to produce an automatic downward pressing force which facilitates the close engagement, thereby attaining a quick driving operation, an increased driving power and a labor-saving effect.

Description

Guided locking piece and its forming mold and driving tool

The present invention relates to a transmission system, and more particularly to a guided lock member, a molding die thereof and a driving tool.

Press, as shown in Figure 1, is currently the head of the market with the screw of the locking groove, the international standard has a lock groove with a shape, a cross, a rice, a square, a hexagon, a plum, a polygon, etc. 1)).

In the case of hexagonal, six-plum, and four-corner locking grooves, the head plane is perpendicular to the driving tool and can be driven by the driving force of the driving tool. However, when driving, the pressing force must be applied to the driving tool. Upper, otherwise it is easy to cause the driving tool to detach from the locking hole.

In addition, the m-shaped characters, crosses and other locking grooves with a slope design are mainly used to facilitate the function of the driving tool to enter/exit the locking groove during the construction process, but it is necessary to apply more when driving. The large downforce is applied to the driving tool so that the driving tool can closely abut the locking groove to avoid the driving tool from being disengaged from the locking groove during the driving process.

Therefore, in the current design of the locking groove shape of various screws on the market, in the locking process, the pressure is mainly applied to the driving tool, except for the twisting force except when the user lock is added. It is also necessary to exert pressure under a certain force, causing the burden on the user and the inconvenience in use.

In addition, if the user is insufficiently under pressure, in addition to easily causing the driving tool to be detached from the locking groove, or when the driving tool and the locking groove are not completely engaged, the locking groove is easily deformed and collapsed. The situation, which in turn affects the service life of the screw, must be improved.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a transmission system which can effectively increase the transmission force, and which is a guide type locking member and a molding die and a driving tool thereof which are more labor-saving in the lock cooperation industry.

Therefore, the lock member of the present invention comprises a screw head, a rod body extending outward from the screw head, a plurality of screw rings disposed on the rod body, and a locking groove disposed on the screw head. Wherein the locking groove has a bottom surface, a bottom edge of the bottom surface of the bottom surface, a top edge connected to the top surface of the screw head, and a plurality of driving portions extending from the bottom edge to the top edge a surface, wherein the bottom edge and the top edge are respectively formed with the same number of bending units, and the bending unit of the bottom edge and the bending unit of the top edge are disposed at a mutually deflected position, and the bottom edge and the top The bending units on the side are connected by a connecting line, so that the driving surface surrounded by any two adjacent connecting lines is arranged in a spiral shape, so that the driving surface presents a spiral ring setting. Therefore, when the screw is to be locked, only a driving tool needs to be placed into the locking groove, and after a torsion force is applied, the driving surface presents a spiral ring shape design, The driving tool can automatically have a lower pressure and close to the bottom of the locking groove The user does not need to apply a little pressure to enable the driving tool to automatically clamp the locking member, thereby achieving the effect of quick and stable combination, and at the same time, the driving torque can be effectively improved, and the lock cooperation industry is more labor-saving. In addition, a driving tool for driving the screw head and a molding die for punching the screw head of the screw can be additionally used, which is smoother in use and quicker and more convenient to manufacture.

The above and other technical features, features, and advantages of the present invention will become apparent from the Detailed Description of the <RTIgt;

Before the present invention is described in detail, it is noted that in the following description, like elements are denoted by the same reference numerals.

Referring to FIG. 2, FIG. 3 and FIG. 4, in the first preferred embodiment of the present invention, in the embodiment, the locking component 3 includes a screw head 31, a rod body 32 extending outward from the screw head 31, and a plurality of spiral rings. a screw 33 disposed on the rod body 32, and a locking groove 34 disposed on the screw head 31; wherein the screw head 31 has a top surface 311 opposite to the end of the rod body 32, and the lock The matching groove 34 is recessed on the top surface 311, and the locking groove 34 has a bottom surface 341, a bottom edge 342 disposed on the periphery of the bottom surface 341, a top edge 343 connected to the top surface 311, and The plurality of bottom edges 342 extend to the driving surface 344 of the top edge 343, and the bottom edge 342 and the top edge 343 are respectively formed with the same number of bending units 3421, 3431, and the bending unit of the bottom edge 342 The bending position of the bending unit 3431 of the top edge 343 and the bending unit 3431 of the bottom edge 342 are deflected at an angle, and the deflection angle is 4 The following is the best, and the bottom edge 342 and the bending unit 3421, 3431 on the top edge 343 are connected by a connecting line A, so that The driving surface 344 surrounded by the two adjacent connecting lines A is arranged in a spiral shape; and the curved unit 3431 of the top edge 343 is curved to the bending unit 3431 of the other top edge 343. The shape of the bending unit 3421 of the bottom edge 342 to the bending unit 3421 of the other bottom edge 342 is an arc shape, so that the shape of the locking groove 34 is formed into a plum shape, and FIG. 2 is The shape of the 6-petal plum is taken as an example, or the bending unit 3431 of the top edge 343 is in a straight line shape with the bending unit 3431 of the other top edge 343, and the bending unit 3421 to the other bottom edge 342 of the bottom edge 342. The bending unit 3421 has a straight line shape, so that the locking groove 34 is formed into a quadrangular shape (as shown in FIG. 5), a hexagonal shape (as shown in FIG. 6), a gear shape (as shown in FIG. 7), and a polygonal shape (FIG. 8). The shape is described as an example. In the present embodiment, the driving surface 344 is designed to have an arc shape, and the shape of the locking groove 34 is formed into a plum shape.

In addition, it is worth mentioning that the bottom edge 342 and the top edge 343 respectively form a maximum outer diameter 3422, 3432 and a minimum inner diameter 3423, 3433, and the maximum outer diameter 3422 and the top edge 343 of the bottom edge 342 are the largest. The outer diameter 3432 is equal, and the minimum inner diameter 3423 of the bottom edge 342 is equal to the minimum inner diameter 3343 of the top edge 343, so that the locking groove 34 is formed as shown in FIG. 4; or, as shown in FIG. 9, FIG. The maximum outer diameter 3422 of the bottom edge 342 is smaller than the maximum outer diameter 3432 of the top edge 343, and the minimum inner diameter 3423 of the bottom edge 342 is the same as the minimum inner diameter 3343 of the top edge 343; or as shown in FIG. 11 and FIG. The maximum outer diameter 3422 of the bottom edge 342 is the same as the maximum outer diameter 3432 of the top edge 343, and the minimum inner diameter 3423 of the bottom edge 342 is smaller than the minimum inner diameter 3433 of the top edge 343; or, as shown in FIG. 13 and FIG. 14 As shown, the maximum outer diameter 3422 of the bottom edge 342 is smaller than the maximum outer diameter 3432 of the top edge 343, and the minimum inner diameter 3423 of the bottom edge 342 is smaller than the minimum inner diameter 3343 of the top edge 343. The driving surface 344 of the edge 342 to the top edge 343 has a spiral shape and a tilted design, and is driven in addition to the original spiral arrangement. The tool (not shown) is more easily coupled to the driving surface 344; in this embodiment, only the maximum outer diameter 3422, 3432 and the minimum inner diameters 3423 and 3433 of the bottom edge 342 and the top edge 343 are equal. Description.

Referring to FIG. 2, FIG. 3 and FIG. 15, in use, a driving tool 5 is used for locking, and the driving tool 5 has a top surface 521 which is the same as the number and shape of the driving surface 344 of the locking member 3; When the lock is engaged, the driving tool 5 is used to enter the locking groove 34. Since the driving surface 344 of the locking groove 34 is spiral, when the driving tool 5 applies a rotating torque, the top surface 521 can be Squeezing along the driving surfaces 344, and driving the driving force of the top surface 521 to the bottom surface 341, naturally generating a downward pressing force, the user does not need to additionally apply the driving tool to the top pressing down. The force can be used to tightly bond the top surface 521 of the driving tool 5 to the driving surface 344, so as to effectively reduce the force applied by the user, the user is more relaxed, and the effect of fast and stable combination is achieved. It is also possible to avoid the situation that the lock groove 34 is broken due to insufficient pressure of the lower pressure, or the engagement groove 34 is broken due to insufficient bonding force, thereby effectively increasing the driving torque and making the lock cooperation More effort and effort.

Referring to Figure 16, in a fifth preferred embodiment of the present invention, the molding die 4 includes a body 41 and a punch 42 extending outward from the body 41. The punch 42 has a punch 42 The first end 421 and the second end 422 of the main body 41 have a plurality of molding surfaces 423 extending from the first end 421 to the second end 422. Therefore, since the molding surface 423 is formed by the molding The first end 421 is spirally extended toward the second end 422, so that the top surface of the screw head (not shown) is struck by the punch 42 to easily form a driving surface having the same spiral angle as the molding surface 423. The effect of quickly manufacturing the lock members of the first to fourth embodiments is achieved.

Referring to Figure 17, a sixth preferred embodiment of the present invention, the driving tool 5 of the embodiment is used for driving the locking member (not shown), the driving tool 5 includes a driving rod 51, and a The driving portion 52 of the driving rod 51, wherein the driving portion 52 has a plurality of top surface 521 which is spirally disposed, and when the driving portion 521 extends into the locking groove 34, the top surface 521 is just The top surface is slid on the driving surface; thereby, when the driving portion 521 is inserted into the locking grooves in the first to fourth embodiments, the top surface 521 can be further affixed during the rotation of the twist lock. Closely fit on the driving surfaces to avoid the shaking of the driving tool 5 during use, which makes the use more stable and convenient.

In summary, the locking member of the present invention mainly has a spiral ring design by the driving surface, so when the screw is to be locked, the driving tool only needs to be placed into the locking groove, and a twist is applied. After the force, the driving surfaces are arranged in a spiral ring shape, and the driving tool can be guided to the bottom surface of the locking groove to automatically generate a pressure amount, and the user does not need to apply a pressure to the user. The driving tool will automatically clamp the locking member to achieve the effect of quick and stable combination, and at the same time, it can effectively improve the driving force, which makes the locking cooperation industry more labor-saving; in addition, it can be used together to drive the screw head. The driving tool and a molding die are used to punch out the screw head of the screw, which is smoother in use and quicker and more convenient to manufacture.

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made in accordance with the scope of the present invention and the contents of the description of the invention. All should remain within the scope of the invention patent.

﹝this invention﹞
3‧‧‧Locks
31‧‧‧ screw head
311‧‧‧ top surface
32‧‧‧ rod body
33‧‧‧ threaded teeth
34‧‧‧Lock slot
341‧‧‧ bottom
342‧‧‧Bottom
343‧‧‧ top side
344‧‧‧ drive surface
3421, 3431‧‧‧ bending unit
3422, 3432‧‧‧ maximum outer diameter
3423, 3343‧‧‧minimum inner diameter
A‧‧‧ connection line
4‧‧‧Molding mould
41‧‧‧Ontology
42‧‧‧ Punch
421‧‧‧ first end
422‧‧‧ second end
423‧‧‧ molding surface
5‧‧‧Drive Tools
51‧‧‧ drive rod
52‧‧‧ Drive Department
521‧‧‧ top face

Figure 1 is a schematic view of an internationally common locking groove. Figure 2 is a schematic illustration of a closure member in accordance with a first preferred embodiment of the present invention. Figure 3 is a top view of Figure 2. Figure 4 is a cross-sectional view of Figure 2. Figure 5 is a schematic view of another aspect of the first preferred embodiment of the present invention. Figure 6 is a schematic view showing another aspect of the first preferred embodiment of the present invention. Figure 7 is a schematic view showing another aspect of the first preferred embodiment of the present invention. Figure 8 is a schematic view showing another aspect of the first preferred embodiment of the present invention. Figure 9 is a schematic illustration of a closure of a second preferred embodiment of the present invention. Figure 10 is a cross-sectional view of Figure 9. Figure 11 is a schematic view of a lock member according to a third preferred embodiment of the present invention. Figure 12 is a cross-sectional view of Figure 11. Figure 13 is a schematic view of a lock member of a fourth preferred embodiment of the present invention. Figure 14 is a schematic cross-sectional view of Figure 13. Figure 15 is a schematic view showing the operation of the first preferred embodiment of the present invention. Figure 16 is a schematic view of a molding die according to a fifth preferred embodiment of the present invention. Figure 17 is a schematic view of a driving tool of a sixth preferred embodiment of the present invention.

3‧‧‧Locks

31‧‧‧ screw head

311‧‧‧ top surface

32‧‧‧ rod body

34‧‧‧Lock slot

341‧‧‧ bottom

342‧‧‧Bottom

343‧‧‧ top side

344‧‧‧ drive surface

3421, 3431‧‧‧ bending unit

A‧‧‧ connection line

Claims (10)

A locking member comprising: a screw head having a top surface formed thereon; a rod body extending outwardly from the screw head and opposite to the top surface; a thread having a spiral ring disposed on the rod body And a locking groove recessed on the bottom surface, having a bottom surface, a bottom edge of the bottom surface of the bottom surface, a top edge connected to the top surface, and a plurality of bottom edges extending to the top a driving surface of the edge, wherein the bottom edge and the top edge respectively form the same number of bending units, and the bottom edge and the bending unit on the top edge are disposed in a mutually deflected configuration, and the bottom A connecting line is connected between the bending unit and the connecting unit on the top edge, and a driving surface is formed between the connecting coil of each bending unit and the other bending unit, and the driving surface is in a spiral shape. Settings. The lock member according to claim 1, wherein the top edge bending unit has an arc shape between the bending units of the other top edge, and the bottom edge bending unit bends to the other bottom edge. The unit has an arc shape. The lock member according to claim 1, wherein the top edge bending unit has a straight line shape between the bending units of the other top edge, and the bottom edge bending unit is bent between the bending unit and the other bottom edge. A straight line shape. The lock member according to the first aspect of the patent application, wherein the deflection angle of the bending unit between the bottom edge and the top edge is simultaneously 4 degrees or less. The lock member according to claim 1, wherein the bottom edge and the top edge respectively have a maximum outer diameter and a minimum inner diameter, and the maximum outer diameter of the bottom edge and the top edge is equal to a minimum inner diameter. The lock member according to claim 1, wherein the bottom edge and the top edge respectively have a maximum outer diameter and a minimum inner diameter, and a maximum outer diameter of the bottom edge is smaller than a maximum outer diameter of the top surface, and the The minimum inner diameter of the bottom edge is the same as the minimum inner diameter of the top edge. The lock member according to claim 1, wherein the bottom edge and the top edge respectively have a maximum outer diameter and a minimum inner diameter, and a maximum outer diameter of the bottom edge is the same as a maximum outer diameter of the top surface, and The minimum inner diameter of the bottom edge is less than the minimum inner diameter of the top edge. The lock member according to claim 1, wherein the bottom edge and the top edge respectively have a maximum outer diameter and a minimum inner diameter, and a maximum outer diameter of the bottom edge is smaller than a maximum outer diameter of the top surface, and The minimum inner diameter of the bottom edge is less than the minimum inner diameter of the top edge. A molding die for molding the screw head of the locking member according to the first to seventh aspects of the patent application, the molding die comprising a body, and a punch extending outward from the body, wherein the punch The head has a first end disposed on the body, and a second end, a molding surface extending from the first end to the second end to form the driving surface by the molding surface. A driving tool for driving the screws of the first to seventh aspects of the patent application, the driving tool comprising a driving rod, and a driving portion disposed on the driving rod, wherein the driving portion has a plurality of spirals The top surface of the top surface is disposed, and when the driving portion can be extended into the locking groove, the top surface can be mounted on the driving surface.