CN213331939U

CN213331939U - Round-head line-shaped self-tapping screw

Info

Publication number: CN213331939U
Application number: CN202022402208.XU
Authority: CN
Inventors: 朱秉锋
Original assignee: Dongguan Changjun Industrial Co ltd
Current assignee: Dongguan Changjun Industrial Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-06-01
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a round head word self tapping screw relates to self tapping screw technical field, and is not enough high for solving the holistic structural strength of current round head word self tapping screw, problem that performance is not perfect enough yet. The utility model discloses a fixed anchor rod of screw, including fixed main rod piece, fixed bayonet socket, fixed main rod piece, fixed screw rod.

Description

Round-head line-shaped self-tapping screw

Technical Field

The utility model relates to a self tapping screw technical field specifically is a round head word self tapping screw.

Background

Generally, the screw is pointed, coarse, hard wood screw, aluminum alloy and plastic. One particular self-tapping screw for tapping metal holes is known as a tap. The self-tapping screw is used for nonmetal or softer metal, and bottom holes and tapping are not needed; the self-tapping screw is pointed, so that self-tapping can be realized; the common screws are flat-headed and consistent in thickness. The self-tapping screw is: the drilled hole is a hole without tapping, the used screw is different from the general screw, the head is sharp, the tooth pitch is larger, the screw is in a point-like manner with a chipless screw tap, the screw can be directly screwed in without tapping, and the method is usually used for metal and plastic. It can be used to "tap-drill, extrude and press" the solidified body into corresponding screw threads on the solidified material by means of its self screw threads, so that they are mutually tightly matched.

However, the integral structural strength of the existing round head straight-line self-tapping screw is not high enough, and the service performance is not perfect enough; therefore, the existing requirements are not met, and a round head linear self-tapping screw is provided for the purpose.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a round head word self tapping screw to solve the holistic structural strength of the current round head word self tapping screw that provides in the above-mentioned background art and still not high enough, performance is not perfect enough problem yet.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a button head word self tapping screw, is including connecting fixed king-rod piece, the screw fixation king-rod is installed to the below of connecting fixed king-rod piece, the below of screw fixation king-rod is provided with the toper fixed head, the outside of screw fixation king-rod is provided with fixed thread tooth, the upper end of connecting fixed king-rod piece is installed and is connected fixed button head, the upper end of connecting fixed button head is provided with the installation fixed head, the intermediate position department of connecting fixed king-rod piece is provided with fixed logical groove, the inside of screw fixation king-rod is provided with inside stiffener, the outside of inside stiffener is provided with the fixed cover of enhancement.

Preferably, the connecting and fixing main rod block and the screw fixing main rod are of an integrated structure, and the conical fixing head and the screw fixing main rod are of an integrated structure.

Preferably, the fixed head of toper sets up to sixty degrees, fixed thread tooth is provided with a plurality of, and a plurality of fixed thread tooth distributes in proper order, and fixed thread tooth and the fixed mobile jib fixed connection of screw.

Preferably, connect fixed button head and the fixed mobile jib piece fixed connection of connection, the fixed head of installation and the fixed button head of connection structure as an organic whole.

Preferably, the internal reinforcing rod and the reinforcing fixing sleeve are of an integral structure.

Preferably, a straight fixing bayonet is arranged at the middle position of the upper end of the mounting fixing head, a fixing limiting clamping groove is arranged at the lower end of the straight fixing bayonet, and auxiliary limiting fixing holes are formed in two ends of the fixing limiting clamping groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a connect fixed main pole piece, screw fixation main pole and toper fixed head and be integrative structure, can make the intensity of whole screw obtain better guarantee, can make the stability of rotation higher through being provided with fixed thread tooth, set up the toper fixed head to sixty degrees, can promote stability ability when guaranteeing rotation ability, solved the holistic structural strength of current round head word self tapping screw not enough high, the problem that performance is not enough perfect;

2. the utility model discloses a be provided with fixed logical groove on connecting fixed main pole piece, can be under the condition that does not influence structural strength, the better spacing of fixing, through being provided with a fixed bayonet socket of word and fixed spacing draw-in groove, can make the spacing performance in later stage better, can assist the installation spacing through supplementary spacing fixed orifices simultaneously.

Drawings

FIG. 1 is a perspective view of the round head in-line self-tapping screw of the present invention;

fig. 2 is a sectional view of the screw fixing main rod of the present invention;

fig. 3 is a schematic structural view of the mounting fixing head of the present invention.

In the figure: 1. connecting and fixing the main rod block; 2. the main rod is fixed by screws; 3. a conical fixing head; 4. fixing the thread teeth; 5. connecting and fixing round heads; 6. mounting a fixed head; 7. fixing the through groove; 8. an inner stiffener; 9. reinforcing the fixing sleeve; 10. a straight fixing bayonet; 11. fixing a limiting clamping groove; 12. supplementary spacing fixed orifices.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a button head word self tapping screw, including connecting fixed king-rod piece 1, connect the below of fixed king-rod piece 1 and install screw fixation king-rod 2, the below of screw fixation king-rod 2 is provided with the fixed head 3 of toper, the outside of screw fixation king-rod 2 is provided with fixed thread tooth 4, connect the upper end of fixed king-rod piece 1 and install and connect fixed button head 5, the upper end of connecting fixed button head 5 is provided with installation fixed head 6, the intermediate position department of connecting fixed king-rod piece 1 is provided with fixed logical groove 7, the inside of screw fixation king-rod 2 is provided with inside stiffener 8, the outside of inside stiffener 8 is provided with strengthens fixed cover 9, structural strength is higher, holistic structural performance is simple more perfect.

Further, connect fixed mobile jib piece 1 and screw fixation mobile jib 2 structure as an organic whole, toper fixed head 3 and screw fixation mobile jib 2 structure as an organic whole, performance is simple perfect more, and holistic practicality is higher.

Further, toper fixed head 3 sets up to sixty degrees, and fixed thread tooth 4 is provided with a plurality of, and fixed thread tooth 4 of a plurality of distributes in proper order, and fixed thread tooth 4 and screw fixation mobile jib 2 fixed connection, and the stability performance of rotating the installation is simple perfect more.

Further, connect fixed button head 5 and connect fixed main pole piece 1 fixed connection, the structure as an organic whole of fixed head 6 of installation and fixed button head 5, structural strength is higher, and the performance in later stage is more stable perfect.

Furthermore, the internal reinforcing rod 8 and the reinforcing fixing sleeve 9 are of an integrated structure, the structure is simple, and the overall use performance is more perfect.

Further, the middle position department of the upper end of the installation fixing head 6 is provided with a fixed bayonet 10, the lower end of the fixed bayonet 10 is provided with a fixed limit clamping groove 11, and the two ends of the fixed limit clamping groove 11 are provided with auxiliary limit fixing holes 12, so that the installation limiting performance in the later period is more stable and perfect.

The working principle is as follows: during the use, align through toper fixed head 3 and the position that the fixed mobile jib of screw 2 was installed to needs, with the inside of screwdriver card at a word fixed bayonet socket 10 and fixed spacing draw-in groove 11, along with rotating, the fixed mobile jib of screw 2, toper fixed head 3 and fixed thread tooth 4 downstream simultaneously, inside stiffener 8 and the fixed cover 9 of enhancement can make the structural strength of fixed mobile jib of screw 2 obtain better guarantee, holistic performance is more perfect, set up to sixty degrees through the angle with toper fixed head 3, can be better fix a position, the rotation performance in later stage is more smooth simultaneously, holistic practicality is higher.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a self tapping screw of a round head word, is including connecting fixed main pole piece (1), its characterized in that: the utility model discloses a fixed anchor rod, including fixed main pole piece (1), fixed main pole piece (2), the below of fixed main pole piece (2) is provided with toper fixed head (3), the outside of fixed main pole piece (2) is provided with fixed thread tooth (4), the upper end of connecting fixed main pole piece (1) is installed and is connected fixed button head (5), the upper end of connecting fixed button head (5) is provided with installation fixed head (6), the intermediate position department of connecting fixed main pole piece (1) is provided with fixed logical groove (7), the inside of fixed main pole piece (2) is provided with inside stiffener (8), the outside of inside stiffener (8) is provided with strengthens fixed cover (9).

2. The round head in-line self-tapping screw as claimed in claim 1, wherein: the connecting and fixing main rod block (1) and the screw fixing main rod (2) are of an integrated structure, and the conical fixing head (3) and the screw fixing main rod (2) are of an integrated structure.

3. The round head in-line self-tapping screw as claimed in claim 1, wherein: the conical fixing head (3) is arranged to be sixty degrees, the fixing thread teeth (4) are provided with a plurality of, the fixing thread teeth (4) are distributed in sequence, and the fixing thread teeth (4) are fixedly connected with the screw fixing main rod (2).

4. The round head in-line self-tapping screw as claimed in claim 1, wherein: the connecting and fixing round head (5) is fixedly connected with the connecting and fixing main rod block (1), and the mounting and fixing head (6) and the connecting and fixing round head (5) are of an integrated structure.

5. The round head in-line self-tapping screw as claimed in claim 1, wherein: the internal reinforcing rod (8) and the reinforcing fixing sleeve (9) are of an integral structure.

6. The round head in-line self-tapping screw as claimed in claim 1, wherein: the installation fixing device is characterized in that a straight fixing bayonet (10) is arranged at the middle position of the upper end of the installation fixing head (6), a fixing limiting clamping groove (11) is arranged at the lower end of the straight fixing bayonet (10), and auxiliary limiting fixing holes (12) are formed in the two ends of the fixing limiting clamping groove (11).