TWM593477U - Wood screw - Google Patents

Abstract

A wood screw is used to solve the problem that the conventional wood screw is not easy to penetrate into the metal plate. It includes: a rod body, one end of which has a tapered portion, the tip of the tapered portion is the terminal end of the rod body, the tip has an angle, the rod body has a cutting portion adjacent to the tip portion, and the cutting portion has a common point , The starting point is not connected to the tip, there is a first distance between the starting point and the tip, the other end of the rod body has a driving part; a first thread and a second thread, which are continuous and convex Out of the outer surface of the rod body, the first thread protruding from the outer surface of the rod body has a first tooth height, and the second thread protruding from the outer surface of the rod body has a second tooth height, the The second tooth height is greater than the first tooth height.

Description

Wood screws

This creation is about a wood screw, especially a wood screw that is easy to penetrate into a metal plate.

The conventional wood screw only has a single-thread thread with a single tooth height, and the tail end (at the tip) of the conventional wood screw forms an angle of about 30°. Therefore, the conventional wood screw can be used for fixing on a wooden board , And can directly penetrate and lock the board. However, when the conventional wood screw is used in a composite material containing a metal plate, it will encounter difficulties when attacking the metal plate and cannot directly penetrate the metal plate. Workers usually need to use a drill A hole or a screw hole is drilled in the intended fixed position of the metal plate, and then the conventional wood screw is screwed into the predetermined hole or screw hole, so that the screwing work becomes troublesome and inconvenient.

In order to make the wood screw easy to penetrate into the composite material containing metal plates, the conventional wood screw really still needs to be improved.

In order to solve the above problems, the purpose of this creation is to provide a wood screw that can be easily penetrated into composite materials containing metal plates.

The directionality or its approximate terms in the full text of this creation, such as "front", "back", "left", "right", "upper (top)", "lower (bottom)", "inner", "outer" , "Side", etc., mainly refer to the directions of the attached drawings, and each directivity or its approximate terms are only used to help explain and understand the embodiments of the creation, not to limit the creation.

The use of the quantifier "a" or "one" in the elements and components described in the full text of this creation is only for convenience and provides the usual meaning of the scope of this creation; in this creation, it should be interpreted as including one or at least one, and single The concept of also includes the plural case unless it clearly means something else.

Similar terms such as "combination", "combination", or "assembly" described in the full text of this creation mainly include the types that can be separated without damaging the components after connection, or the components cannot be separated after connection, which is common knowledge in the field It can be selected according to the material or assembly requirements of the components to be connected.

The wood screw of this creation includes: a rod body, one end of which has a tapered portion, the tip of the tapered portion is the terminal end of the rod body, the tip has an angle, and the rod body has a cutting portion adjacent to the tip portion, the The cutting part has a point, the starting point is not connected to the tip, there is a first distance between the starting point and the tip, the other end of the rod body has a driving part; a first thread, which is continuously wound and protruding On the outer surface of the rod body, the first thread protrudes from the outer surface of the rod body with a first tooth height, the first end of the first thread starts from the tapered portion, the second of the first thread The end extends in the direction of the driving portion of the rod body; and a second thread, which is continuously wound and protrudes on the outer surface of the rod body, the second thread protruding from the outer surface of the rod body has a second Tooth height. The first end of the second thread starts from the tapered portion. The second end of the second thread extends toward the driving portion of the rod body. The second tooth height is greater than the first tooth height.

According to this, the wood screw of the present creation has the first thread and the second thread with even lines on the rod body, and the height of the second tooth is greater than the height of the first tooth, so the wood screw can be The second thread with a larger tooth height forms a larger torque, and the first thread with a smaller height can effectively evacuate chips. Therefore, the wood screw system of the present invention can be easily penetrated into The metal plate makes the wood screw suitable for the composite material containing the metal plate, which has the effect of being convenient to use and improving work efficiency.

Among them, the included angle is 26°±3°. In this way, the wood screw system can be easily penetrated into the metal plate, so that the wood screw can be applied to the effect of including the metal plate.

Wherein, the first distance is between 0.5㎜~2㎜. In this way, the tip of the wood screw has the effect of not being easily broken.

Wherein, the height of the first tooth of the first thread on the tapered portion is smaller than the height of the first tooth on the outer surface of the rod. In this way, the wood screw system has the effect of easily tapping into the metal plate.

Wherein, the height of the second tooth of the second thread on the tapered portion is smaller than the height of the second tooth on the outer surface of the rod. In this way, the wood screw system has the effect of easily tapping into the metal plate.

Wherein, there is a second distance between the first end of the first thread and the tip, and there is a third distance between the first end of the second thread and the tip, and the third distance is greater than or equal to the Second distance. In this way, the wood screw system has the effect of easily tapping into the metal plate.

In order to make the above-mentioned and other purposes, features and advantages of this creation more obvious and understandable, the preferred embodiments of this creation are specifically described below, and in conjunction with the attached drawings, detailed descriptions are as follows:

Please refer to FIG. 1 and FIG. 2, which is a preferred embodiment of the wood screw of this creation, which includes a rod body 1, a first thread 2 and a second thread 3, the first thread 2 and the second thread The two threads 3 are respectively arranged in the same direction on the outer surface of the rod body 1 so that the first thread 2 and the second thread 3 are formed on the outer surface of the rod body 1 with even thread threads.

One end of the rod body 1 has a tapered portion 11, the tip P of the tapered portion 11 is the terminal end of the rod body 1, the tip P of the tapered portion 11 has an included angle θ, the included angle θ is 26°±3°, And the portion of the rod body 1 adjacent to the tip P has a cutting portion 12, the cutting portion 12 has a point 13, the starting point 13 is not connected to the tip P, so that there is a first distance D1 between the starting point 13 and the tip P (As shown in FIG. 3), the first distance D1 is preferably between 0.5㎜~2㎜. The other end of the rod body 1 has a driving portion 14, which can be a quadrilateral, hexagonal or polygonal cap head or counterbore, which is not limited in this creation.

The first thread 2 is continuously wound and protrudes from the outer surface of the rod body 1, the first thread 2 protrudes from the outer surface of the rod body 1 and has a first tooth height H1, the first thread 2 The first end 2a starts from the tapered portion 11, and the second end 2b of the first thread 2 extends toward the driving portion 14 of the rod body 1. There is a second distance D2 (as shown in FIG. 3) between the first end 2a and the tip P. The second distance D2 may be greater than, less than, or equal to the first distance D1, which is not limited in this creation. The first tooth height h1 of the first thread 2 at the tapered portion 11 is preferably smaller than the first tooth height H1 at the outer surface of the rod body 1.

The second thread 3 is continuously wound around and protrudes from the outer surface of the rod body 1, the second thread 3 protrudes from the outer surface of the rod body 1 and has a second tooth height H2, the second thread The first end 3a of 3 can also start from the tapered portion 11, and the second end 3b of the second thread 3 extends toward the driving portion 14 of the rod body 1. There is a third distance D3 (as shown in FIG. 3) between the first end 3a and the tip P. The third distance D3 is preferably greater than or equal to the second distance D2. The height of the second tooth height h2 of the second thread 3 at the tapered portion 11 is preferably smaller than the height of the second tooth height H2 at the outer surface of the rod body 1, and is located at the tapered portion 11 and at the rod The heights of the second tooth heights H2 and h2 on the outer surface of the body 1 are greater than the heights of the first tooth heights H1 and h1 located on the tapered portion 11 and the outer surface of the rod body 1, respectively.

As mentioned above, the wood screw of the present invention mainly consists of the first thread 2 and the second thread 3 with even lines on the rod body 1, and the height of the second teeth H2, h2 is greater than that of the first teeth High H1, h1 height, so, when the wood screw of this creation is screwed to a composite material containing a metal plate, the wood screw can form a larger torque by the second thread 3 with a larger tooth height And, the first thread 2 with a small height is used for chip removal, and the angle θ of the tip of the wood screw is 26°±3°, so that the wood screw can be easily penetrated into the metal plate Sheet, so that the wood screw can be applied to composite materials containing metal plates.

In summary, since the wood screw of the present creation has the even thread of the first thread and the second thread, and the height of the second tooth is greater than the height of the first tooth, the wood screw The second thread with a larger tooth height can form a larger torque, and the first thread with a smaller height can effectively evacuate chips, and furthermore, cooperate with the angle of the tip of the wood screw, so The wood screw system of this creation can be easily tapped into the metal plate, so that the wood screw can be applied to the composite material containing the metal plate, which is convenient to use and can improve the work efficiency.

Although this creation has been disclosed using the above preferred embodiments, it is not intended to limit this creation. Anyone who is familiar with this art will still make changes and modifications to the above embodiments without departing from the spirit and scope of this creation. The scope of technology protected by the creation, so the scope of protection of this creation shall be deemed as defined by the scope of the attached patent application.

﹝This creation﹞ 1: rod body 11: cone 12: Cutting Department 13: Starting point 14: Driving Department 2: the first thread 2a: the first end 2b: the second end 3: second thread 3a: the first end 3b: the second end D1: First distance D2: Second distance D3: third distance H1, h1: first tooth height H2, h2: second tooth height P: tip θ: included angle

[Figure 1] This is a perspective view of a preferred embodiment. [Figure 2] Front view of a preferred embodiment of the present creation. [Figure 3] An enlarged view of a partial structure of a preferred embodiment of the present creation.

1: rod body

11: cone

12: Cutting Department

13: Starting point

14: Driving Department

2: the first thread

2a: the first end

2b: the second end

3: second thread

3a: the first end

3b: the second end

H1, h1: first tooth height

H2, h2: second tooth height

P: tip

θ: included angle

Claims (6)

A wood screw containing: A rod body, one end of which has a tapered portion, the tip of the tapered portion is the terminal end of the rod body, the tip has an included angle, the rod body has a cutting portion adjacent to the tip portion, the cutting portion has a common point, the starting point The tip is not connected, there is a first distance between the starting point and the tip, and the other end of the rod body has a driving portion; A first thread is continuously wound and protrudes from the outer surface of the rod body. The first thread protrudes from the outer surface of the rod body and has a first tooth height. The first end of the first thread is formed by The tapered portion starts, and the second end of the first thread extends toward the driving portion of the rod body; and A second thread is continuously wound and protrudes from the outer surface of the rod body. The second thread protrudes from the outer surface of the rod body and has a second tooth height. The first end of the second thread is formed by The tapered portion starts, the second end of the second thread extends toward the driving portion of the rod body, and the height of the second tooth is greater than the height of the first tooth. The wood screw as described in item 1 of the patent application scope, wherein the included angle is 26°±3°. The wood screw as described in item 1 of the patent application scope, wherein the first distance is between 0.5㎜~2㎜. The wood screw as described in item 1 of the patent application scope, wherein the height of the first tooth height of the first thread on the tapered portion is smaller than the height of the first tooth height on the outer surface of the rod body. The wood screw as described in item 1 of the scope of the patent application, wherein the height of the second tooth of the second thread on the tapered portion is smaller than the height of the second tooth on the outer surface of the rod. The wood screw as described in item 1 of the patent scope, wherein there is a second distance between the first end of the first thread and the tip, and there is a distance between the first end of the second thread and the tip A third distance, the third distance being greater than or equal to the second distance.

Images