TWM545843U - Wood screw with fast driving and locking - Google Patents

Description

Wood screw with quick twist lock

The invention relates to a locking component, in particular to a wood screw with a quick twist lock which is locked on the wood.

The conventional wood screw 1 includes a screw head 11, and a rod body 12 extending outward from the screw head 11, a locking portion 13 which is disposed at the end of the rod body 12 and which is tapered, and a ring is disposed on the rod The body 12 and the thread 14 on the conical portion 13; wherein the locking portion 13 has a conical shape; therefore, when an object is locked, the locking portion 13 is pressed against an object (not shown). After the surface, a pressing force and a rotational force are applied, and the object is gradually cut through the thread 141 of the locking portion 13 to drive the locking portion 13 and the rod 12 into the object to complete the wood screw. 1 lock.

However, after the actual use, it is found that when the wood screw 1 is locked, since the locking portion 13 is conical, the surface of the locking portion 13 will be in full contact with the object during the locking process, resulting in the lock. The friction between the joint portion 13 and the object increases, resulting in an increase in the locking resistance. At the same time, the chip generated by the cutting object of the screw can not effectively perform chip removal, which is easy to cause another resistance due to the chip accumulation during the locking process. In addition, in the case that the chip can not be effectively discharged when the lock is continued, the chip will be outwardly diffused to cause the material to be cracked. In addition, the chip also contains wood fiber, which is known to be unbroken. The design of the wood fiber also makes it easy for the wood fiber to be entangled on the rod body during the locking process, which also increases the locking resistance and needs to be improved.

Therefore, the purpose of the present invention is to provide a wood screw with a quick twist lock. The period can effectively reduce the locking resistance and increase the locking speed.

Therefore, the wood screw with the quick twist lock comprises a screw head, a rod body extending outward from the screw head, a screw ring disposed on the screw body of the rod body, and a screw body disposed at the end of the rod body And the taper portion is tapered; wherein the latching portion has a conical drill body connected to the rod body, a chip removing surface disposed on the drill body, and a chip surface disposed on the chip surface a side auxiliary rib, and a front edge formed on the interface between the drill body and the chip surface; by the design of the drill body, the contact surface of the drill body and the object can be reduced, so that the lock is made The resistance is reduced to increase the locking speed, and the chips generated by the cutting process can also be quickly discharged from the chip discharging surface to avoid the occurrence of cracking during the locking process, and the design of the auxiliary rib can also make the locking process The utility model can assist the cutting edge to cut off the wood fiber in the chip, avoiding the entanglement of the wood fiber and generating another locking resistance, so that the overall locking speed of the wood screw with fast twist lock can be improved.

(known)

1‧‧‧ wood screws with fast twist lock

11‧‧‧ screw head

12‧‧‧ rod body

13‧‧‧Cone

14‧‧‧ threaded parts

141‧‧‧ threaded teeth

(this creation)

3‧‧‧ Wood screws with fast twist lock

31‧‧‧ screw head

32‧‧‧ rod body

33‧‧‧ threaded teeth

34‧‧‧Locking Department

341‧‧‧Drilling body

342‧‧‧ Chip surface

343‧‧‧Assistive ribs

344‧‧ ‧ sharp edge

3431‧‧‧ rib tip

32 α‧‧‧Rod body axis

Figure 1 is a schematic view of a conventional screw.

2 is a perspective view of a preferred embodiment of the present invention.

3 is a top plan view of a preferred embodiment of the present invention.

FIG. 4 is a schematic view showing the locked state of a preferred embodiment of the present invention.

The above and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments of the invention.

Referring to FIG. 2, a preferred embodiment of the present invention relates to a wood screw 3 with a quick-locking lock. The wood screw 3 includes a screw head 31, and a rod body 32 extending outward from the screw head 31. a thread 33 on the rod body 32, and a locking portion 34 which is disposed at the end of the rod body 32 and which is tapered; wherein the rod body 32 has a rod center axis 32 α; The portion 34 has a conical drill body 341 connected to the rod body 32, a chip removal surface 342 disposed on the drill body 341, an auxiliary rib 343 disposed adjacent to the chip removal surface 342, and a The front edge 344 is formed on the end of the drill body 341 and the chip surface 342. The center axis of the drill body 341 is the same as the center axis 32 α of the rod body.

Continuing the foregoing, the chip surface 342 extends obliquely from one side of the drill body 341 to the other side of the drill body 341 and is connected to the rod body 32, so that the drill body 341 is partially cut into half. In the embodiment, the auxiliary rib 343 is gradually extended from the rod body 32 to the chip surface 342 and the drill hopper 341, and a rib tip 3431 is formed at the end of the auxiliary rib 343. In this embodiment, The auxiliary rib 343 has a semi-conical shape, and the auxiliary rib 343 has an auxiliary rib center axis, and the auxiliary rib center axis is not on the rod center axis 32 α.

Referring to FIG. 3, when the end of the drill body 341 is pressed against an object 4, a force is applied to the screw head 31, so that the edge 344 can quickly the object. 4 cutting out a locking hole, because the end of the drilling body 341 does not have any thread 32, and the drilling body 341 is half-cut, so that only part of the drilling body 341 will contact the hole The object 4, so the initial stage of the locking can reduce the resistance of the drill body 341, the screw 32 and the object contact, so that the locking speed can be increased, and the cutting process generates the generated chips, and the chip surface 342 can also pass through the chip surface 342. Exhaust is performed to avoid the accumulation of chips and the cracking material is removed, and the auxiliary rib 343 is designed to continue the twisting process, and the wood fibers in the chips can be topped by the auxiliary rib 343 so that the edge 344 The wood fiber is cut off to prevent the wood fiber in the chip from being entangled on the screw 3, so that the subsequent locking resistance of the wood screw 3 can also be reduced, thereby effectively improving the whole Body lock speed.

In summary, the wood screw with the fast twist lock has a conical drill body connected to the rod body, and a chip surface disposed on the drill body. An auxiliary rib beside the chip surface, and a sharp edge formed on the interface between the drill body and the chip surface; the drill body is semi-conical and the drill is designed by the drill body The thread is not provided on the body, so the contact surface between the drill body and the object can be effectively reduced during the initial locking process, so that the resistance is reduced during the lock to increase the locking speed, and the chip generated by the cutting process can also be The chip surface is quickly discharged to avoid the occurrence of cracking during the locking process, and the auxiliary rib is designed to enable the auxiliary rib to tighten the wood fiber in the chip during the locking process. The edge edge is more likely to break the wood fiber, avoiding the entanglement of the wood fiber and creating another locking resistance, so that the overall locking speed of the wood screw with quick twist lock can be improved.

However, the above description is only for the purpose of illustrating the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, that is, the simple equivalent changes and modifications made in accordance with the scope of the present patent application and the contents of the new specification. All should remain within the scope of this new patent.

3‧‧‧ Wood screws with fast twist lock

31‧‧‧ screw head

32‧‧‧ rod body

33‧‧‧ threaded teeth

34‧‧‧Locking Department

341‧‧‧Drilling body

342‧‧‧ Chip surface

343‧‧‧Assistive ribs

344‧‧ ‧ sharp edge

3431‧‧‧ rib tip

32 α‧‧‧Rod body axis

Claims (2)

A wood screw with a quick twist lock, comprising a screw head, a rod body extending outward from the screw head, a screw thread disposed on the rod body, and a screw body disposed at the end of the rod body a tapered locking portion; the locking portion has a conical drill body connected to the rod body, a chip removing surface disposed on the drilling body, and a chip removing surface disposed on the chip removing surface a side auxiliary rib, and a front edge formed on the interface between the drill body and the chip surface, wherein the chip surface extends obliquely from one side of the drill body to the other side of the drill body Connected to the rod body, so that the drill body portion forms a half-cut shape, and the auxiliary rib is gradually extended from the rod body to the chip surface and the drill body, and the auxiliary A rib tip is formed at the end of the rib, and the center axis of the auxiliary rib of the auxiliary rib is not on the central axis of the shaft of the rod. A wood screw with a quick-locking lock according to the first aspect of the patent application, wherein the auxiliary rib is of a semi-conical shape.