CN215370520U

CN215370520U - Self-tapping screw with connected conical pad and inner plum-blossom hexagonal flange

Info

Publication number: CN215370520U
Application number: CN202121816162.4U
Authority: CN
Inventors: 叶卓伦; 陈伟; 陈伟鹏
Original assignee: Zhejiang Keteng Precision Machinery Co ltd
Current assignee: Zhejiang Keteng Precision Machinery Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2021-12-31
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses a self-tapping screw with an inner plum blossom hexagonal flange and a connected conical pad in the field of self-tapping screws, which comprises a screw body, wherein a plurality of micro plates are fixedly connected to the outer surface of the screw body, a backing plate is fixedly connected to the outer surface of each micro plate, two bent plates are fixedly connected to the outer surface of each backing plate, a plurality of conical spines are fixedly connected to the outer surface of each bent plate, a first corrosion-resistant layer is arranged above the screw body, a second corrosion-resistant layer is arranged below the screw body, small workpieces can be placed by arranging the micro plates, the inner walls of plates can be grabbed and fixed by matching with the backing plates, the bent plates and the conical spines, the inner walls of the plates can be punctured into the plates by the plurality of conical spines, the fixation of the screws can be increased, the plates with lower density can be fixed by arranging the screws for a long time, the plates can fall off under the external influence, and the self-tapping screw is prevented from being arranged under the materials with lower density, the problem that the tapping screw is easy to loosen and fall off after being placed for a long time.

Description

Self-tapping screw with connected conical pad and inner plum-blossom hexagonal flange

Technical Field

The utility model relates to the field of self-tapping screws, in particular to a self-tapping screw with a connected conical pad and an inner plum-blossom hexagonal flange.

Background

Self-tapping screws, or fast-assembling screw, for steel through the fast-assembling fastener of surperficial galvanizing passivation, self-tapping screw is used for the connection between thin metal sheet, steel sheet and saw board etc. earlier, during the connection, make the bottom of thread hole to the connecting piece earlier, in screwing the self-tapping screw in the bottom of thread hole by the connecting piece again, every self-tapping screw all comprises head, pole portion and the terminal triplex of pole portion, every self-tapping screw's constitution all has four major elements: the head shape, the screwing manner, the kind of thread and the form of the end are widely distributed in electronic devices, communication devices, office equipment and the like in the market.

After the installation of current self-tapping screw is accomplished, if install self-tapping screw under the material that density is lower, lead to the not hard up problem that drops of self-tapping screw easily for a long time, be relatively poor in self-tapping screw protection nature in addition, the in-process surface that uses for a long time is corroded by acid gas easily, causes screw surface screw thread to receive the damage, does not well dismantle it, consequently, technical personnel in the field provide take disjunctor awl pad interior plum blossom hexagonal flange self-tapping screw to the problem that proposes among the above-mentioned background art is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a self-tapping screw with an integrated conical pad and an inner plum blossom hexagonal flange, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

including the screw body, the external fixed surface of the screw body is connected with a plurality of microplate, the external fixed surface of microplate is connected with the backing plate, two crooked boards of external fixed surface of backing plate are connected with, every the equal fixedly connected with a plurality of awl of surface of crooked board, the top of the screw body is provided with first corrosion resistant layer, the below of the screw body is provided with second corrosion resistant layer.

As a further scheme of the utility model: the upper surface of the screw body is fixedly connected with a hexagonal convex nail head, and the bottom end of the screw body is fixedly connected with the tail end of a screw.

As a still further scheme of the utility model: the upper surface of the hexagonal convex nail head is provided with a quincuncial groove, the bottom surface of the hexagonal convex nail head is fixedly connected with a connected conical pad, and the inner wall of the connected conical pad is fixedly connected with the outer surface of the screw body.

As a still further scheme of the utility model: the outer fixed surface of backing plate is connected with two fixed strips, every the surface of fixed strip all is connected with the outer fixed surface of fixed strip.

As a still further scheme of the utility model: the outer surface of the hexagonal convex nail head is fixedly connected with a clamping block, and the outer surface of the hexagonal convex nail head is provided with a clamping groove.

As a still further scheme of the utility model: and one side surface of each of the two bent plates, which is close to each other, is fixedly connected with a reinforcing plate, and the outer surface of each reinforcing plate is fixedly connected with the outer surface of the micro plate.

As a still further scheme of the utility model: the outer surface of each awl thorn all is fixedly connected with two firm boards, every firm board's surface all with the outer fixed surface of crooked board is connected.

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

1. according to the utility model, the micro plate is arranged, so that small workpieces can be placed, the base plate, the bent plate and the conical pricks are matched, the inner wall of the plate can be grabbed and fixed, the plurality of conical pricks penetrate into the plate, so that the fixation of the screw can be increased, the plate with low density can be fixed by the screw for placing for a long time, and the plate can fall off under the influence of the outside, so that the problem that the tapping screw is loosened and falls off easily for a long time when the tapping screw is arranged on a material with low density is solved.

2. According to the utility model, the first corrosion-resistant layer and the second corrosion-resistant layer are arranged, so that the corrosion resistance of the surface of the self-tapping screw can be increased, the purpose of prolonging the service life of the self-tapping screw is realized, and the problems that the self-tapping screw is poor in protection property, the surface is easy to be corroded by acid gas, the surface threads of the screw are damaged, and the screw is not easy to disassemble are solved.

Drawings

FIG. 1 is a schematic three-dimensional structure of the hexagonal stud according to the present invention;

FIG. 2 is a schematic three-dimensional structure of the locking groove of the present invention;

FIG. 3 is a schematic perspective view of a microplate according to the present invention;

FIG. 4 is a schematic three-dimensional structure of a reinforcing plate according to the present invention;

FIG. 5 is a perspective cross-sectional view of the screw body of the present invention.

In the figure: 1. a hexagonal convex nail head; 2. a plum blossom groove; 3. a microplate; 4. a screw tip; 5. a screw body; 6. a clamping block; 7. a clamping groove; 8. a conjoined conical pad; 9. bending the plate; 10. e, stabbing; 11. a stabilizing plate; 12. a base plate; 13. a fixing strip; 14. a reinforcing plate; 15. a first corrosion-resistant layer; 16. a second corrosion-resistant layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1 to 5, in the embodiment of the present invention, the tapping screw with the connected conical pad hexagon socket hexagon flange includes a screw body 5, a plurality of micro plates 3 are fixedly connected to an outer surface of the screw body 5, a backing plate 12 is fixedly connected to an outer surface of the micro plates 3, two curved plates 9 are fixedly connected to an outer surface of the backing plate 12, a plurality of conical spines 10 are fixedly connected to an outer surface of each curved plate 9, a first corrosion-resistant layer 15 is disposed above the screw body 5, a second corrosion-resistant layer 16 is disposed below the screw body 5, the first corrosion-resistant layer 15 and the second corrosion-resistant layer 16 are made of copper oxide, the copper oxide is a black oxide of copper, has slight amphiphilicity, is slightly hygroscopic, is insoluble in water and ethanol, is soluble in an acid, an ammonium chloride solution, and a potassium cyanide solution, is slowly soluble in an ammonia solution, and can react with a strong base, and is a most corrosion-resistant material at present.

Wherein, the upper surface of the screw body 5 is fixedly connected with a hexagonal convex pin head 1, the bottom end of the screw body 5 is fixedly connected with a screw tail end 4, the screw body 5 can be better rotated through the hexagonal convex pin head 1 and the screw tail end 4, so as to play a role of convenient disassembly, the upper surface of the hexagonal convex pin head 1 is provided with a plum blossom groove 2, the bottom surface of the hexagonal convex pin head 1 is fixedly connected with a conjoined conical pad 8, the inner wall of the conjoined conical pad 8 is fixedly connected with the outer surface of the screw body 5, through the plum blossom groove 2, the screw body 5 can be conveniently installed through the plum blossom groove 2, the buffering capacity of the screw body 5 can be increased through the conjoined conical pad 8, so as to play a role of reinforced connection, the outer surface of the backing plate 12 is fixedly connected with two fixing strips 13, the outer surface of each fixing strip 13 is fixedly connected with the outer surface of the fixing strip 13, through the fixing strips 13, the stability of the backing plate 12 can be increased, plays a role of stabilization.

Wherein, outer fixed surface of hexagonal protruding pin fin 1 is connected with joint piece 6, joint groove 7 has been seted up to the surface of hexagonal protruding pin fin 1, through joint piece 6 and joint groove 7, can accomodate the joint with the screw body 5, reach the effect that supplementary screw body 5 was accomodate, the common fixedly connected with gusset plate 14 in a side that two crooked boards 9 are close to each other, the surface of gusset plate 14 and the outer fixed surface of miniature board 3 are connected, through gusset plate 14, can connect fixedly to two crooked boards 9, prevent the condition that crooked board 9 drops, two firm boards 11 of the equal fixedly connected with in surface of every awl thorn 10, the surface of every firm board 11 all is connected with the outer fixed surface of crooked board 9, through firm board 11, can increase the steadiness of awl thorn 10, take place not hard up unstable problem when avoiding awl thorn 10 to rotate.

The working principle of the utility model is as follows: firstly, when the screw body 5 needs to be installed, an external tool is inserted into the plum blossom groove 2 and then the screw tail end 4 is aligned with a hole, the screw body 5 can be installed by rotating, the connected conical pad 8 can increase the buffer vibration of the screw body 5 and simultaneously increase the connection between the screw body 5 and a plate, when the screw body 5 needs to be disassembled, the external tool is clamped outside the hexagonal convex nail head 1, the screw body 5 is removed by rotating, under the condition of lower density of the plate, a plurality of bent plates 9 on the outer surface of the screw body 5 can assist the conical spines 10 to penetrate into the plate to fix the screw body 5, the fixation is improved, the problem that the tapping screw is easily loosened and dropped for a long time when the tapping screw is installed on a material with lower density is avoided, the corrosion resistance of the surface of the screw body 5 can be improved by the first corrosion-resistant layer 15 and the second corrosion-resistant layer 16, the problem that threads on the surface of the screw are damaged due to the fact that the corrosion resistance of the screw body 5 is poor and the surface is easily corroded by acid gas is solved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. Take disjunctor awl pad interior plum blossom hexagonal flange tapping screw, including screw body (5), its characterized in that: the utility model discloses a screw bolt, including the screw body (5), the outer fixed surface of screw body (5) is connected with a plurality of microplate (3), the outer fixed surface of microplate (3) is connected with backing plate (12), the outer fixed surface of backing plate (12) is connected with two crooked boards (9), every the equal fixedly connected with a plurality of awl (10) of surface of crooked board (9), the top of screw body (5) is provided with first corrosion-resistant layer (15), the below of screw body (5) is provided with second corrosion-resistant layer (16).

2. The tapping screw with the connected conical pad and the hexagon socket head flange as claimed in claim 1, wherein: the upper surface of the screw body (5) is fixedly connected with a hexagonal convex nail head (1), and the bottom end of the screw body (5) is fixedly connected with a screw tail end (4).

3. The tapping screw with the connected conical pad and the hexagon socket head flange as claimed in claim 2, wherein: the upper surface of the hexagonal convex nail head (1) is provided with a plum blossom groove (2), the bottom surface of the hexagonal convex nail head (1) is fixedly connected with a connected conical pad (8), and the inner wall of the connected conical pad (8) is fixedly connected with the outer surface of the screw body (5).

4. The tapping screw with the connected conical pad and the hexagon socket head flange as claimed in claim 1, wherein: the outer fixed surface of backing plate (12) is connected with two fixed strips (13), every the surface of fixed strip (13) all is connected with the outer fixed surface of fixed strip (13).

5. The tapping screw with the connected conical pad and the hexagon socket head flange as claimed in claim 2, wherein: the outer surface of the hexagonal convex nail head (1) is fixedly connected with a clamping block (6), and the outer surface of the hexagonal convex nail head (1) is provided with a clamping groove (7).

6. The tapping screw with the connected conical pad and the hexagon socket head flange as claimed in claim 1, wherein: one side surfaces of the two bent plates (9) close to each other are fixedly connected with a reinforcing plate (14) together, and the outer surface of the reinforcing plate (14) is fixedly connected with the outer surface of the micro plate (3).

7. The tapping screw with the connected conical pad and the hexagon socket head flange as claimed in claim 1, wherein: the outer surface of each stabber (10) is fixedly connected with two stabilizing plates (11), and the outer surface of each stabilizing plate (11) is fixedly connected with the outer surface of the bent plate (9).