TWI510719B - Drive structure of screw - Google Patents

Description

Screw drive structure

The present invention relates to a screw drive structure, and more particularly to a screw drive structure having various hand tool operable characteristics.

A screw that is used to connect, seal, or lock an object. The specific structure of the screw can be divided into a driving portion and a threaded portion. The driving portion is driven by a hand tool such as a wrench or a wrench, and the thread portion is rotated into the object, thereby fixing the screw to the object tightly.

The driving part of the screw can be divided into a variety of shapes such as a polygonal head shape, a round head shape, a crown head shape and a flat head shape according to the appearance thereof, and the groove shape of the driving portion and the adapted hand tool is more numerous. For example, a letter shape, a cross shape, an inner pentagon shape or an inner hexagon shape.

In addition, there are also screw drive portions which are more complicated in groove shape and can be adapted to two kinds of hand tools, for example, a groove shape having a word, a cross or a square shape at the same time. The aforementioned complex groove shape interleaves two different shapes of the groove shape without affecting the card drive of the different hand tools, so that the screw can be driven by two different hand tools.

However, the existing various screw drive technologies are still limited by the original design, and no design that can accommodate more than one drive mode has been found.

The object of the present invention is to provide a screw driving structure with various hand tools operable characteristics, so that the screw can be driven by various hand tools, reducing the unnecessary cost of purchasing a specific or special hand tool, and preventing the screw driving portion from being worn after being worn. Dilemma.

Specifically, according to an embodiment of the present invention, a screw driving structure including a polygonal driving portion, an open linking groove, and a sub-joining groove is provided. The polygonal drive portion has a top surface. The open linkage groove is recessed on the top surface, and the peripheral side of the open linkage groove has a six-plane, a six-arc surface and a six-inclined surface, and both sides of each plane are connected with a curved surface by an inclined surface, so that the open linkage groove is a hexagonal plum blossom In the shape, each plane, each curved surface and each inclined surface are connected to a bottom surface. The starter groove is recessed on the bottom surface.

According to an embodiment of the present invention, the driver linkage groove has a cross column recess and a cross star recess, and the cross column recess intersects the cross star recess to make the starter slot have a shape of one meter. The two ends of the cross-column recess of the screwdriver linkage groove are opposite to the two arc faces. The two arc faces and the opposite ends of the cross-column concave portions respectively can respectively accommodate one of the one-turner turning portion and one driving portion, so that the cross-column concave portion can not only accommodate the driving portion of the one-word screwdriver, but also the two curved surfaces. It is just the same turning point of a one-word screwdriver. The screw drive structure may further comprise a side-by-side linkage hole that extends transversely through the polygonal drive portion. And the lateral linkage hole can communicate with the open linkage groove. The lateral linkage hole may have a hole shape. The top surface of the polygonal driving portion comprises a hexagonal surface and a circular surface, and the circular surface is cut into the hexagonal surface, and each of the six ends of the hexagonal surface has a pre-grinding angle.

Therefore, according to the foregoing embodiments and examples, the screw driving structure of the present invention can be known, which utilizes the inclined surface of the open interlocking groove to clamp a screwdriver or The star-shaped screwdriver makes it easy for a flat-blade or star-shaped screwdriver to slip loose when twisting the screw drive structure. In addition, the two ends of the cross-column recess of the two-stage recess and the two-arc surface of the open linkage groove not only allow the recessed portion of the cross-column to accommodate one of the driving parts of the one-word screwdriver, but also allow the two-arc surface to fit the same one-word screwdriver. One of the turning parts.

Therefore, the screw driving structure of the present invention can not only allow driving using a plurality of tools, such as an hex wrench, an hex wrench, a rice-shaped screwdriver, a star driver, a cross screwdriver, a screwdriver or a side hole driving method, etc. And strengthen the rotation effect of the word screwdriver and the star driver drive screw.

100‧‧‧ Screw drive structure

200‧‧‧Polygonal drive department

210‧‧‧ top surface

211‧‧‧ hexagonal surface

212‧‧‧round

300‧‧‧Open linkage slot

310‧‧‧ plane

320‧‧‧ curved surface

330‧‧‧ sloped surface

340‧‧‧ bottom

400‧‧‧Starter linkage slot

410‧‧‧Cross-column recess

420‧‧‧ Cross Star

500‧‧‧ lateral linkage

600, 700 ‧ ‧ a screwdriver

710‧‧‧ Turning Department

720‧‧‧ Drive Department

800‧‧‧Long stick

900a, 900b‧‧‧ star screwdriver

The above and other objects, features, advantages and embodiments of the present invention will become more <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; .

Fig. 2 is a plan view showing the screw driving structure of Fig. 1.

Fig. 3 is a schematic view showing the opening of the interlocking groove in the screw driving structure of Fig. 1.

Fig. 4 is a cross-sectional view showing a secant line 3-3 of the screw drive structure of Fig. 2.

Fig. 5 is a schematic view showing the open interlocking slot card in the screw driving structure of Fig. 1.

Fig. 6 is a schematic view showing the opening of the interlocking groove and the fastener linking groove in the screw driving structure of Fig. 1 at the same time.

Fig. 7 is a schematic view showing the side linkage hole of the screw driving structure of Fig. 1 in a long rod.

Fig. 8A is a schematic view showing the opening interlocking groove of the screw driving structure of Fig. 1 accommodating a star-shaped screwdriver.

Fig. 8B is a schematic view showing the open interlocking slot card type star type screwdriver in the screw driving structure of Fig. 1.

Please refer to FIG. 1 to FIG. 4 , wherein FIG. 1 and FIG. 2 respectively show a perspective view and a top view of a screw driving structure according to an embodiment of the present invention, and FIG. 3 shows a screw of FIG. 1 . A schematic view of the open linkage groove in the drive structure, and FIG. 4 is a cross-sectional view of the secant line 3-3 of the screw drive structure of FIG. The screw driving structure 100 includes a polygonal driving portion 200, an open linking groove 300, and a sub-joining groove 400 and a side connecting hole 500.

The polygonal drive portion 200 has a top surface 210. Although the polygonal drive unit 200 has a hexagonal shape in plan view and a square shape in side view, the present invention is not limited thereto. The top surface 210 of the polygonal driving portion 200 includes a hexagonal surface 211 and a circular surface 212. The circular surface 212 is cut into the hexagonal surface 211. The six ends of the hexagonal surface 211 each have a pre-grinding angle to prevent the polygonal driving portion 200 from being When the hand tool cartridge is rotated, the polygonal driving portion 200 is caused to collapse.

The open linkage groove 300 is recessed on the top surface 210. The circumferential side of the open linkage groove 300 has a six-plane 310, a six-arc surface 320 and a six-inclined surface 330. The two sides of each plane 310 are connected to a curved surface 320 by an inclined surface 330. The open linkage groove 300 is formed in a hexagonal plum blossom shape, and each of the planes 310, the curved surfaces 320 and the inclined surfaces 330 are connected to a bottom surface 340.

The starter linkage groove 400 is recessed in the bottom surface 340, so that the open linkage groove 300 and the starter linkage groove 400 form a two-step groove shape. The driver linkage groove 400 has a cross column recess 410 and a cross star recess 420. The cross column recess 410 intersects the cross star recess 420 to make the starter slot 400 have a shape of a meter. And the two ends of the cross column recess 410 of the screwdriver linkage groove 400 are opposite to the two arc surfaces 320 of the open linkage groove 300.

The lateral interlocking hole 500 penetrates the polygonal driving portion 200 laterally and can communicate with the open linking groove 300, but may not be connected. The lateral interlocking hole 500 may have a single hole shape, but is not limited thereto.

Please refer to FIG. 5 to FIG. 7 , wherein FIG. 5 is a schematic diagram showing the opening interlocking slot 300 of the screw driving structure 100 of FIG. 1 , and FIG. 6 is a schematic view of the screw of FIG. 1 . In the driving structure 100, the open linkage slot 300 and the fastener linkage slot 400 are simultaneously locked with a slotted screwdriver 700. FIG. 7 is a schematic view showing the lateral linkage hole 500 of the screw driving structure 100 of FIG. schematic diagram. In Fig. 5, when the screw drive structure 100 is driven by the one-word screwdriver 600, the one-word starter 600 is just snapped into the two arc faces 320 of the open interlocking groove 300. When the one-word starter 600 rotates, both ends thereof The inclined surface 330 on both sides of the curved surface 320 is clamped so that the slotted screwdriver 600 can stably drive the screw driving structure 100.

In the sixth figure, when the screw drive structure 100 is driven by the other type of screwdriver 700, the two arcuate faces 320 of the open interlocking groove 300 and the two ends of the cross-column recess 410 of the relative link slot 400 can respectively accommodate one word. One of the screwdriver 700 is a turning portion 710 and a driving portion 720. The cross-column recess 410 is clamped at both ends of the driving portion 720 of the slotted screwdriver 700, and the two curved surfaces 320 are just rotated by the slotted screwdriver 700. At both ends of the folded portion 710, the two-stage snap structure allows the screw drive structure 100 to reinforce the limit word driver 700 and enhance the rotational effect of the one-word starter 700.

In the seventh figure, the screw driving structure 100 further includes a side connecting hole 500. When the long rod 800 is used to drive the screw driving structure 100, the long rod 800 is clamped in the lateral linking hole 500, and when the long rod 800 is pulled When moving, the screw drive structure 100 can be pulled by the long rod 800 being limited to the lateral linkage hole 500. The long rod 800 referred to herein may be a long hand tool as long as it can be inserted into the lateral linking hole 500 and drive the screw driving structure 100 as an actuable manner of the embodiment.

Please refer to FIG. 8A and FIG. 8B , which are schematic diagrams showing the open linkage groove 300 of the screw drive structure 100 of FIG. 1 respectively accommodating the star driver 900a and the open linkage slot 300 card star type screwdriver 900b.

As shown in Fig. 8A, the star-shaped screwdriver 900a of the same size is accommodated in the open interlocking groove 300, and the six arcuate faces 320 of the open interlocking groove 300 correspond to the ends of the bayonet-type screwdriver 900a to drive the screw driving structure 100. In Fig. 8B, if the smaller size star driver 900b is used to drive the screw drive structure 100, the inclined surface 330 of the open linkage groove 300 will be the end of the star-shaped screwdriver 900b, so that the smaller size The star driver 900b can also smoothly swing the inclined surface 330 to pull the screw drive structure 100 so that it does not slip easily and cause structural damage to the open linkage groove 300.

Of course, in addition to the actuation modes described in the foregoing embodiments, the polygonal driving portion 200 of the screw driving structure 100 is also applicable to an open-end wrench or a pliers. The open linkage groove 300 and the fastener linkage groove 400 can be used with the concave groove shape to apply an Allen key. Other hand tools such as a cross screwdriver or a screwdriver.

Therefore, according to the foregoing embodiments and examples, it can be understood that the screw driving structure of the present invention can be applied to various hand tools such as a long stick, a flat screwdriver, a cross screwdriver, an Allen key, a star driver or a square driver. Avoid users paying more for the special screws to purchase special hand tools. In addition, the inclined surface beside the arc surface of the open linkage groove can be used to chuck a smaller size one-word screwdriver or a star-shaped screwdriver, and the two-stage cassette structure of the open linkage groove and the starter linkage groove enables the one-word driver to drive the screw drive structure more. Solid and reliable. Therefore, the screw driving structure of the present invention not only has the practicality that a plurality of hand tools can be operated, but is more stable and convenient in use.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and the present invention can be modified and modified without departing from the spirit and scope of the present invention. The scope is subject to the definition of the scope of the patent application attached.

100‧‧‧ Screw drive structure

200‧‧‧Polygonal drive department

210‧‧‧ top surface

211‧‧‧ hexagonal surface

212‧‧‧round

300‧‧‧Open linkage slot

310‧‧‧ plane

320‧‧‧ curved surface

330‧‧‧ sloped surface

340‧‧‧ bottom

400‧‧‧Starter linkage slot

410‧‧‧Cross-column recess

420‧‧‧ Cross Star

Claims (8)

A screw driving structure comprising: a polygonal driving portion having a top surface; an open linking groove recessed on the top surface, the open side of the open linking groove having a six-plane, a six-arc surface and a six-inclined surface, each of the The curved surface is connected to the curved surface by a sloped surface, and the open linkage groove is formed in a hexagonal plum blossom shape, and each of the planes, each of the curved surfaces and each of the inclined surfaces is connected to a bottom surface; a groove, recessed on the bottom surface. The screw drive structure of claim 1, wherein the driver linkage groove has a cross column recess and a cross star recess, the cross column recess interlacing the cross star recess, so that the starter slot is a one-meter shape . The screw drive structure of claim 2, wherein the two ends of the cross-column recess of the screwdriver interlocking groove are opposite to the curved surface. The screw driving structure of claim 3, wherein the two curved surfaces and the two ends of the concave portion of the cross column respectively respectively correspond to a turning portion and a driving portion of the one-word screwdriver, the cross The column recess accommodates the driving portion of the slotted screwdriver, and the arc surface directly accommodates the turning portion of the slotted screwdriver. The screw driving structure according to claim 1, further comprising a side connecting hole extending transversely through the polygonal driving portion. The screw drive structure of claim 5, wherein the lateral linkage hole communicates with the open linkage groove. The screw drive structure of claim 5, wherein the lateral linkage hole has a hole shape. The screw drive structure of claim 1, wherein the top surface of the polygonal driving portion comprises a hexagonal surface and a circular surface, the circular surface is cut into the hexagonal surface, and the hexagonal surface has six ends There is a pre-grinding angle.