CN211874906U

CN211874906U - Easily-screwed screw

Info

Publication number: CN211874906U
Application number: CN201922445154.2U
Authority: CN
Inventors: 杨金木; 代海艇
Original assignee: Tianjin Liweitian Metal Technology Co ltd
Current assignee: Tianjin Liweitian Metal Technology Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-11-06
Anticipated expiration: 2029-12-28

Abstract

The utility model provides an easily-screwed screw nail, which comprises a nail cap, a nail body, a concave part and a nail head; the nail body is a cylinder, the nail cap is a regular hexagonal prism, and the upper end face of the nail body is fixedly connected with the lower end face of the nail cap; the lower end face of the nail body is fixedly connected with the upper end face of the concave part, the length of the concave part is one fourth of the length of the nail body, and the section radius of the middle part of the concave part is one half of the section radius of the nail body; the lower end surface of the concave part is fixedly connected with the nail head, and the length of the nail head is one half of that of the concave part; the upper end surface of the nail cap is provided with a circular groove; the bottom surface of the circular groove is provided with a cross groove; each side end face of the nail cap is provided with a through hole; the surface of the nail body is provided with main threads; the nail head is a step-shaped cone, and the surface of the nail head is provided with pointed threads. Easy spiral formula screw thread nail, simple structure, easy rotation.

Description

Easily-screwed screw

Technical Field

The utility model belongs to the fixed connector field especially relates to an easily revolve formula screw thread nail.

Background

In daily life, need adopt the screw to connect the work piece that needs to be fixed, current screw is when the installation, because the structure of nut, when the screw is fixed overtightening, the condition of smooth silk appears easily when using the screwdriver to dismantle, need tear the screw down with the help of other instruments adoption abnormal mode rather than rotatory mode, can harm the installation face of screw like this. Therefore, there is a need for a screw with a screw head that is easy to rotate, and that facilitates the removal of the screw for fixing a workpiece by an operator using a conventional tool.

Disclosure of Invention

In view of this, the present invention is directed to an easily rotatable screw nail, which is convenient to disassemble.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

an easily-screwed screw comprises a screw cap, a screw body, a concave part and a screw head; the nail body is a cylinder, the nail cap is a regular hexagonal prism, and the upper end face of the nail body is fixedly connected with the lower end face of the nail cap; the lower end face of the nail body is fixedly connected with the upper end face of the concave part, the length of the concave part is one fourth of the length of the nail body, and the section radius of the middle part of the concave part is one half of the section radius of the nail body; the lower end surface of the concave part is fixedly connected with the nail head, and the length of the nail head is one half of that of the concave part; the upper end surface of the nail cap is provided with a circular groove; the bottom surface of the circular groove is provided with a cross groove; the surface of the nail body is provided with main threads; the nail head is a step-shaped cone, and the surface of the nail head is provided with pointed threads.

Furthermore, the through holes are divided into a middle-caliber through hole, a wide-caliber through hole and a narrow-caliber through hole according to the aperture specification; the through holes on the end surfaces of the two opposite sides of the nail cap have consistent apertures.

Furthermore, the inner wall of the circular groove is provided with auxiliary threads; the thread direction of the auxiliary thread is opposite to the thread direction of the main thread.

Further, the pointed threads are positioned on steps at different height positions of the nail head.

Furthermore, the bottom surface of the cross groove is provided with a conical depression.

Furthermore, a triangular protrusion is arranged on the outer side surface of the pointed thread.

Compared with the prior art, easy formula screw thread nail of revolving have following advantage:

(1) the screw nail is characterized in that the inner wall of the circular groove is provided with the auxiliary thread with the direction opposite to the thread direction of the main thread, and an operator can use a screw rod with the thread to be matched with the auxiliary thread, so that more stable torsional force is generated, and the operator can conveniently apply force to rotate the screw nail;

(2) the easy-to-rotate screw thread nail of the utility model is characterized in that the bottom surface of the cross groove is provided with a conical depression, which is more beneficial for the cross screwdriver to be tightly matched and inserted into the cross groove, thereby avoiding the occurrence of the phenomenon of thread slipping;

(3) the utility model discloses an easy-to-rotate screw thread, the outer side surface of the pointed thread is provided with a triangular bulge, which is helpful for the screw head to attack the mounting surface of the screw thread;

(4) an easily revolve formula screw thread nail, seted up the through-hole on the side end face of nail cap, the through-hole divide into bore through-hole, wide bore through-hole, narrow bore through-hole in the middle of the bore specification divide into according to the bore specification, the aperture of through-hole is unanimous on the relative both sides terminal surface of nail cap, operating personnel can use the radial shaft-like instrument of suitable cross-section to insert the through-hole and form laborsaving lever structure as required to be convenient for rotatory screw thread nail.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a perspective view of a screw of the present invention;

fig. 2 is a front view of the easy-to-rotate screw according to the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

fig. 4 is a top view of the screw of the present invention.

Description of reference numerals:

1-a screw cap; 12-a through hole; 121-middle caliber through hole; 122-wide bore through hole; 123 narrow-aperture through holes; 11-circular groove; 111-auxiliary thread; 112-cross slot; 1121-conical depression; 2-nail body; 21-main thread; 4-a recess; 5-nail head; 511-pointed thread.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The utility model provides an easy formula screw thread nail that revolves which characterized in that: comprises a nail cap 1, a nail body 2, a concave part 4 and a nail head 5; the nail body 2 is a cylinder, the nail cap 1 is a regular hexagonal prism, and the upper end face of the nail body 2 is fixedly connected with the lower end face of the nail cap 1; the lower end face of the nail body 2 is fixedly connected with the upper end face of the concave part 4, the length of the concave part 4 is one fourth of the length of the nail body 2, and the section radius of the middle part of the concave part 4 is one half of the section radius of the nail body 2; the lower end surface of the concave part 4 is fixedly connected with the nail head 5, and the length of the nail head 5 is one half of that of the concave part 4; the upper end surface of the nail cap 1 is provided with a circular groove 11; a cross groove 112 is formed in the bottom surface of the circular groove 11; each side end face of the nail cap 1 is provided with a through hole 12; the surface of the nail body 2 is provided with a main thread 21; the nail head 5 is a step-shaped cone, and the surface of the nail head 5 is provided with pointed threads 511.

The through hole 12 is divided into a middle caliber through hole 121, a wide caliber through hole 122 and a narrow caliber through hole 123 according to the caliber specification; the apertures of the through holes 12 on the end surfaces of the two opposite sides of the nail cap 1 are consistent; an operator can insert a rod-shaped tool with a proper section radius into the through hole 12 to form a labor-saving lever structure according to needs, so that the screw nail can be conveniently rotated;

the inner wall of the circular groove 11 is provided with an auxiliary thread 111, the thread direction of the auxiliary thread 111 is opposite to that of the main thread 21, and an operator can use a threaded screw to be matched with the auxiliary thread 111, so that more stable torsional force is generated, and the operator can conveniently apply force to rotate the threaded nail;

the pointed threads 511 are located on steps 51 at different height positions of the stud 5;

the bottom surface of the cross slot 112 is provided with a conical depression 1121, which is more beneficial for the close fit of a cross screwdriver and the cross slot 112, thereby avoiding the phenomenon of thread slipping;

the outer side of the pointed thread 511 is provided with a triangular protrusion 5111 to help the stud 5 tap into the mounting surface of the threaded stud.

When the screw is used, under the condition that the matching between the screw and the fixing surface is not firm, an operator can insert the screw into the cross groove 112 by using a screwdriver, and the screw can be easily detached from the fixing surface by rotating the screwdriver;

under the condition that the matching between the screw and the fixed surface is very firm, the screw is difficult to detach from the fixed surface by inserting the screwdriver into the cross groove 112, at the moment, an operator can insert the screw with the thread into the circular groove 11, and the thread on the screw is tightly matched with the auxiliary thread 111 on the circular groove 11, so that more stable torsional force is generated, and the operator can conveniently apply force to rotate the screw from the fixed surface;

when the screw nail is difficult to detach from the fixing surface by using a screwdriver or a screw, an operator can also use pliers or a tool with a hexagonal hole to be matched with the hexagonal prism-shaped nail cap, so that the operator can conveniently detach the screw nail from the fixing surface by applying force;

in addition, when the nail removing space is large, an operator can insert a rod-shaped tool into the through hole on the end face of the side of the nail cap, so that a stable and labor-saving lever structure is formed, the operator can conveniently apply force to rotate the screw nail, and the screw nail is further removed from the fixing surface;

for guaranteeing in the use the utility model discloses holistic structural strength has injectd the relation between the cross-section radius at 4 middle parts of concave part and 2 cross-section radii of nail body, the relation between 5 lengths of pin fin and the 4 lengths of concave part.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an easy formula screw thread nail that revolves which characterized in that: comprises a nail cap (1), a nail body (2), a concave part (4) and a nail head (5); the nail body (2) is a cylinder, the nail cap (1) is a regular hexagonal prism, and the upper end face of the nail body (2) is fixedly connected with the lower end face of the nail cap (1); the lower end face of the nail body (2) is fixedly connected with the upper end face of the concave part (4); the lower end face of the concave part (4) is fixedly connected with the nail head (5), and the length of the nail head (5) is one half of that of the concave part (4); the upper end surface of the nail cap (1) is provided with a circular groove (11); a cross groove (112) is formed in the bottom surface of the circular groove (11); each side end face of the nail cap (1) is provided with a through hole (12); the surface of the nail body (2) is provided with a main thread (21); the nail head (5) is a step-shaped cone, and pointed threads (511) are arranged on the surface of the nail head (5).

2. The easy-to-turn threaded nail according to claim 1, characterized in that: the through holes (12) are divided into a middle caliber through hole (121), a wide caliber through hole (122) and a narrow caliber through hole (123) according to the caliber specification; the through holes (12) on the end surfaces of the two opposite sides of the nail cap (1) have the same aperture.

3. The easy-to-turn threaded nail according to claim 1, characterized in that: the inner wall of the circular groove (11) is provided with an auxiliary thread (111); the thread direction of the auxiliary thread (111) is opposite to the thread direction of the main thread (21).

4. The easy-to-turn threaded nail according to claim 1, characterized in that: the pointed threads (511) are positioned on the steps (51) of the nail head (5) at different height positions.

5. The easy-to-turn threaded nail according to claim 1, characterized in that: the bottom surface of the cross groove (112) is provided with a conical recess (1121).

6. The easy-to-turn threaded nail according to claim 1, characterized in that: the length of the concave part (4) is one fourth of the length of the nail body (2), and the section radius of the middle part of the concave part (4) is one half of the section radius of the nail body (2).