CN210889661U

CN210889661U - Screw structure

Info

Publication number: CN210889661U
Application number: CN201921912903.1U
Authority: CN
Inventors: 蔡其珍
Original assignee: Jiangsu Shiluowa Glasses Co ltd
Current assignee: Jiangsu Shiluowa Glasses Co ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-06-30
Anticipated expiration: 2029-11-07

Abstract

The utility model discloses a screw structure contains nut and silk post, the nut is located the upper portion of silk post, and both integrated into one piece, wherein, the nut keep away from with be equipped with annular groove on one side of silk support connnection, opening passageway and concave part down, the setting of opening passageway symmetry is in the annular groove outside, and with the annular groove communicates with each other, the opening passageway along with silk post vertical direction's central line with the central line at annular groove through the center is located same straight line, concave position is in the nut center, and to being close to the silk post end is recessed, and for prior art, this structure has advantages such as reasonable in design, safe and reliable.

Description

Screw structure

Technical Field

The utility model relates to a screw structure.

Background

At present, when connecting two equipment parts, in order to make to connect closely, often can apply to the screw, fix both through the screw, because of the screw fixation is firm, convenient operation and then widely used.

However, in the process of fixing the screw, because the design of the screw is unreasonable, the contact area between the screwdriver and the groove on the screw is too large, so that the pressure applied to the groove is uniformly distributed, the screwdriver is often separated from the groove, the hand of an operator can be scratched sometimes, and danger is brought to the operator.

Therefore, how to provide a screw structure with reasonable design, safety and reliability is the technical problem to be solved by the utility model.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned defects and problems of the prior art, the present invention is directed to a screw structure.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a screw structure, contains nut and silk post, the nut is located the upper portion of silk post, and both integrated into one piece, wherein, the nut keep away from with be equipped with annular groove on one side that the silk post is connected, opening passageway and concave part down, the setting of opening passageway symmetry is in the annular groove outside, and with the annular groove communicates with each other, opening passageway along with silk post vertical direction's central line with the annular groove is located same straight line through the central line, concave part is located the nut center, and to being close to the silk post end is recessed.

Furthermore, the shape of the nut is a cylindrical structure, and the periphery of the end face of one end, far away from the screw post, of the nut and the side surface of the nut are connected with a contact part to form an arc structure.

Further, the depth of the annular groove is the same as the depth of the open channel.

Furthermore, one end of the lower concave part is connected with the annular groove, and the other end of the lower concave part is concave towards the end far away from the annular groove.

Further, the silk post is the cylinder structure, be equipped with screw thread portion and smooth portion on the silk post, smooth portion both ends are connected respectively the nut with screw thread portion, screw thread portion keeps away from smooth portion end is equipped with the toper portion, the main aspects of toper portion are close to screw thread portion one side, and the tip is located keeps away from screw thread portion one side.

Further, the length of the threaded portion is smaller than the length of the smooth portion.

Furthermore, the nut surface is equipped with the waterproof layer, the waterproof layer with the nut surface is hugged closely each other, and both adopt viscidity to connect.

Compared with the prior art, the utility model relates to a screw structure contains nut and silk post, the nut is located the upper portion of silk post, and both adopt the integrated into one piece design for both connect closely, and are fixed firm. Because the nut keep away from with be equipped with annular groove on one side that the silk post is connected, open channel and concave part down, the setting of open channel symmetry is in the annular groove outside, and with the annular groove communicates with each other, open channel along with silk post vertical direction's central line with the annular groove is located same straight line through the central line at center, through the design that adopts annular groove, reduces the area of contact of screwdriver and screw, and the screwdriver is changeing the in-process, under the same circumstances hard, increases open channel's pressure, makes things convenient for the fixed screw, avoids the screwdriver to break away from open channel, effectively protects user's personal safety. Because the recessed portion is located the nut center, and to being close to the silk post end is recessed, reduces the weight of nut, when using the screwdriver to rotate the screw, avoids appearing the phenomenon of rupture because of pressure is too big between nut and the silk post, and whole structural design is reasonable, safe and reliable, facilitates the use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

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

fig. 2 is a top view of the screw of the present invention;

FIG. 3 is a front view of the screw of the present invention;

fig. 4 is a schematic structural view of the nut and the waterproof layer of the present invention.

Description of reference numerals:

1 nut 2 annular groove

3 open channel 4 lower recess

5 circular arc structure 6 thread part

7 smooth part 8 tapered part

9 a waterproof layer.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As fig. 1, fig. 2 and fig. 3 show, the utility model discloses a screw structure contains nut 1 and silk post, nut 1 is located the upper portion of silk post, and both integrated into one piece, wherein, nut 1 keeps away from and is equipped with annular groove 2 on one side of being connected with the silk post, open channel 3 and lower concave part 4, the setting of open channel 3 symmetry is in the annular groove 2 outside, and communicate with each other with annular groove 2, open channel 3 is located same straight line along the central line with silk post vertical direction with annular groove 2 through the central line at center, lower concave part 3 is located nut 1 center, and to being close to the silk post end is recessed.

Through the above, it is not difficult to find that the utility model relates to a screw structure comprises nut 1 and silk post, and nut 1 is located the upper portion of silk post, and both adopt the integrated into one piece design for both connect closely, and fixed firm. Because nut 1 is kept away from and is equipped with annular groove 2 on the one side of being connected with the silk post, open channel 3 and lower recess 4, open channel 3 symmetry set up in the annular groove 2 outside, and communicate with each other with annular groove 2, open channel 3 is located same straight line along the central line with silk post vertical direction and annular groove 2 through the central line, through the design that adopts annular groove 2, reduce the area of contact of screwdriver and screw, the screwdriver is in the rotation process, under the same circumstances of exerting oneself, increase open channel 3's pressure, make things convenient for the fixed screw, avoid the screwdriver to break away from open channel 3, effectively protect user's personal safety. Because the concave part 3 is located the nut 1 center, and is recessed to being close to the silk post end, reduces the weight of nut 1, when using the screwdriver to rotate the screw (radial direction), avoids because of the rupture phenomenon appears between nut and the silk post that causes because of pressure is too big, whole structural design is reasonable, safe and reliable, facilitates the use.

It should be noted that, in order to avoid the scratch, for example, the outer shape of the nut 1 is a cylindrical structure, and the periphery of the end surface of the nut 1 far away from the end of the screw post and the side surface of the nut 1 are connected to form an arc structure 5, and due to the arc structure 5, the contact area is increased, so that in the screw installation process, an operator is prevented from being scratched by touching the surface of the screw.

It should further be mentioned that the screwdriver can be secured while turning the screw in order to facilitate the screwdriver, for example by making the depth of the annular recess 2 the same as the depth of the open channel 3.

In this embodiment, in order to ensure that the stress of the screw is uniform, one end of the lower concave portion 4 is connected with the annular groove 2, the other end of the lower concave portion is concave towards the end far away from the annular groove 2, and the lower concave portion 4 is arranged at the central part of the annular groove 2, so that the screw is stable in structure and convenient to fix.

It should be particularly noted that, in this embodiment, in order to facilitate fixing, the screw post is of a cylindrical structure, the screw post is provided with the screw portion 6 and the smooth portion 7, the screw portion 6 is convenient to be fixed with the screw hole, and the screw portion 6 and the screw hole are screwed together, so that the screw is fixed firmly, the connection of the parts is facilitated, the stability between the parts is increased, and the smooth portion 7 can be additionally provided with a gasket as required outside the smooth portion, so that the vibration of the screw is reduced. Both ends of the smooth part 7 are respectively connected with the nut 1 and the thread part 6, the thread part 6 is far away from the end of the smooth part 7 and is provided with a conical part 8, the large end of the conical part 8 is close to one side of the thread part 6, the small end is positioned on one side of the thread part 6, and the conical part 8 is convenient to enter a fixed part and contributes to the fixation of a screw.

In addition, in order to fix the screw portion 6 more firmly and avoid the whole screw from shaking, the length of the screw portion 6 may be made smaller than the length of the smooth portion 7.

As shown in fig. 1 and 4, further, in order to avoid the exposed nut 1 from directly contacting with water vapor, a waterproof layer 9 is disposed on the surface of the nut 1, the waterproof layer 9 directly isolates the water vapor from the nut 1, so as to increase the service life of the nut 1, and in addition, in order to avoid the waterproof layer 9 from falling off from the nut 1, the waterproof layer 9 and the surface of the nut 1 are tightly attached to each other, and the two are connected by using adhesive.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A screw structure is characterized by comprising a screw cap and a screw post, wherein the screw cap is positioned at the upper part of the screw post and the screw cap and the screw post are integrally formed, wherein,

the nut keep away from with be equipped with annular groove, opening passageway and undercut on the one side that the silk post is connected, the setting of opening passageway symmetry is in the annular groove outside, and with the annular groove communicates with each other, the opening passageway along with the central line of silk post vertical direction with the annular groove is located same straight line through the central line, the undercut is located the nut center, and to being close to the silk post end is recessed.

2. The screw structure of claim 1, wherein the nut is shaped like a cylinder, and the periphery of the end surface of the nut far away from the end of the screw post and the contact part of the side surface of the nut form an arc structure.

3. The screw structure of claim 1, wherein the depth of the annular groove is the same as the depth of the open channel.

4. The screw structure of claim 1, wherein said undercut is continuous with said annular groove at one end and is undercut away from said annular groove at the other end.

5. The screw structure of claim 1, wherein the screw post is a cylindrical structure, the screw post is provided with a threaded portion and a smooth portion, two ends of the smooth portion are respectively connected with the nut and the threaded portion, the end of the threaded portion away from the smooth portion is provided with a tapered portion, a large end of the tapered portion is close to one side of the threaded portion, and a small end of the tapered portion is located on one side away from the threaded portion.

6. The screw structure according to claim 5, wherein a length of the threaded portion is smaller than a length of the smooth portion.

7. The screw structure according to claim 1, wherein the nut surface is provided with a waterproof layer, the waterproof layer and the nut surface are tightly attached to each other, and the waterproof layer and the nut surface are connected by adhesion.