CN219101814U

CN219101814U - High-strength screw

Info

Publication number: CN219101814U
Application number: CN202222547509.0U
Authority: CN
Inventors: 俞春雷
Original assignee: Zhejiang Zhongsu Screw Co ltd
Current assignee: Zhejiang Zhongsu Screw Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-05-30
Anticipated expiration: 2032-09-26

Abstract

The utility model relates to the technical field of screws and discloses a high-strength screw, which comprises a screw column, a drill bit and a flange plate, wherein a first clamping block is fixedly connected to the middle part of the front end of the screw column, a second connecting column is fixedly connected to the rear end of the screw column, a second clamping groove is formed in the middle part of the rear end of the second connecting column, a first clamping groove is formed in the middle part of the rear end of the first connecting column, a second clamping block is fixedly connected to the middle part of the front end of the flange plate, inner screw holes are formed in one side of the first clamping block, one side of the second clamping block, one side of the first connecting column, one side of the second connecting column, one side of the middle part, are respectively, provided with an outer screw hole, and bolts are respectively sleeved in the outer screw holes and the inner screw holes. According to the utility model, the device can be lengthened, so that the requirements of users on different lengths are met, drilling is more efficient, strength is higher, and safety in use is improved.

Description

High-strength screw

Technical Field

The utility model relates to the technical field of screws, in particular to a high-strength screw.

Background

The screw is a cylinder with spiral grooves cut on the outer surface or a cone with conical surface spiral grooves cut on the outer surface, the screw is provided with different heads, and the screw is provided with an outer hexagonal screw, a large flat screw, an inner hexagonal screw and the like, and the screw works at high temperature, corrosion, strong abrasion and high torque, so that the screw is required to resist high temperature and is not deformed at high temperature; wear resistance and long service life; corrosion resistance and corrosiveness of materials; the cutting performance is good; the screw has the characteristics of small residual stress, small thermal deformation and the like after heat treatment, however, the existing screw has lower strength, the screw is twisted off when the torque is large, and the screw length is mostly fixed and not extensible, so that the technical improvement is urgently needed.

Through searching, the prior patent (publication No. CN 215861206U) discloses a high-strength screw, and the technology of the patent avoids the screw body from being damaged during transportation, but has the problems that the screw is twisted off when the strength is low and the torque is large, and the length of the screw is fixed, so that the screw is twisted off when the torque is large and cannot be lengthened, therefore, a high-strength screw is provided by a person skilled in the art to solve the problems in the prior art.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides the high-strength screw rod which can be lengthened to meet the requirements of users on different lengths, is more efficient in drilling and higher in strength, and improves the safety in use.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the high-strength screw comprises a screw column, a drill bit and a flange plate, wherein a first clamping block is fixedly connected to the middle part of the front end of the screw column, a second connecting column is fixedly connected to the rear end of the screw column, a second clamping groove is formed in the middle part of the rear end of the second connecting column, a first connecting column is fixedly connected to the rear end of the drill bit, a first clamping groove is formed in the middle part of the rear end of the first connecting column, a second clamping block is fixedly connected to the middle part of the front end of the flange plate, inner screw holes are formed in one side of the first clamping block, close to the middle part, of the second clamping block, an outer screw hole is formed in one side of the first connecting column, close to the middle part, of the second connecting column, and bolts are sleeved in the outer screw holes and the inner screw holes;

alloy teeth are fixedly connected to the bit cone body at equal intervals, a drill core is fixedly connected to the middle of the front end of the bit, and a reinforcing cone is fixedly embedded into the middle of the bit;

the middle part of the screw rod column is fixedly embedded with a reinforcing column, the column shaft of the screw rod column is fixedly connected with screw teeth in an equidistant mode, and reinforcing layers are coated on the column shaft of the screw rod column and the whole body of the screw teeth;

through the technical scheme, extension can be carried out, the requirements of users on different lengths are met, drilling is more efficient, strength is higher, and safety in use is improved.

Further, the first clamping groove is clamped with the first clamping block;

through the technical scheme, the drill bit and the screw rod column can be fixed.

Further, the second clamping groove is clamped with the first clamping block;

through the technical scheme, the screw rod can be lengthened.

Further, the second clamping groove is clamped with the second clamping block;

through the technical scheme, the screw rod column and the screw cap can be fixed.

Further, a twenty-first opening is formed in the middle of one side of the bolt;

through above-mentioned technical scheme, make things convenient for the bolt to screw in outer screw and the interior screw.

Further, a nut is fixedly connected to the middle part of the rear end of the flange plate;

through the technical scheme, external force is conveniently applied to the screw rod.

Further, a first cross port is formed in the middle of the rear side of the nut;

through the technical scheme, the external force is conveniently applied to the screw rod by the cross cutter under the condition of lacking a wrench.

Further, the reinforcing column and the reinforcing cone are made of high-strength steel;

through the technical scheme, the service life of the device is prolonged.

The utility model has the following beneficial effects:

1. according to the high-strength screw rod, the first clamping groove, the second clamping groove, the first clamping block and the second clamping block are arranged, the clamping grooves and the clamping blocks can be mutually clamped, so that the screw rod can be lengthened, the requirements of users on different lengths are met, and the clamping grooves and the clamping blocks can be fixed by the aid of the arranged bolts, so that the screw rods are connected more tightly.

2. According to the high-strength screw rod provided by the utility model, the alloy teeth are arranged at the front end of the drill bit, so that the drilling of the screw rod is more efficient, the drilling speed of the screw rod is greatly improved, the reinforcing cone is arranged in the drill bit, the strength of the drill bit is greatly improved, and the service life of the drill bit is greatly prolonged.

3. According to the high-strength screw rod, the middle part of the screw rod column is provided with the reinforcing column, so that the strength of the screw rod is greatly improved, the whole body of the screw rod column is provided with the thread teeth, the screw rod can orderly advance during drilling, the strength of the screw rod is further improved by the external reinforcing layer, the screw rod is not broken during working, and the safety of the screw rod is greatly improved.

Drawings

FIG. 1 is a schematic diagram of an axial measurement of a high-strength screw according to the present utility model;

FIG. 2 is a schematic front cross-sectional view of a high strength screw rod column according to the present utility model;

FIG. 3 is a schematic front cross-sectional view of a high strength screw drill bit according to the present utility model;

FIG. 4 is a schematic rear view of a high strength screw according to the present utility model;

FIG. 5 is an enlarged schematic view of FIG. 1A;

fig. 6 is an enlarged schematic view of B in fig. 2.

Legend description:

1. a screw column; 2. a first clamping groove; 3. alloy teeth; 4. drilling a core; 5. a drill bit; 6. a first connection post; 7. a first clamping block; 8. a thread tooth; 9. a second connection post; 10. a second clamping block; 11. a flange plate; 12. a screw cap; 13. a second clamping groove; 14. a reinforcing column; 15. a reinforcing cone; 16. a first cross; 17. an outer screw hole; 18. an inner screw hole; 19. a bolt; 20. a twenty-first port; 21. a reinforcing layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, one embodiment provided by the present utility model is: the high-strength screw comprises a screw column 1, a drill bit 5 and a flange plate 11, wherein a first clamping block 7 is fixedly connected to the middle part of the front end of the screw column 1, a second connecting column 9 is fixedly connected to the rear end of the screw column 1, a second clamping groove 13 is formed in the middle part of the rear end of the second connecting column 9, a first connecting column 6 is fixedly connected to the rear end of the drill bit 5, a first clamping groove 2 is formed in the middle part of the rear end of the first connecting column 6, a second clamping block 10 is fixedly connected to the middle part of the front end of the flange plate 11, inner screw holes 18 are formed in one side of the first clamping block 7 and one side of the second clamping block 10, outer screw holes 17 are formed in one side of the first connecting column 6 and one side of the second connecting column 9 in a clamping mode, bolts 19 are sleeved in the outer screw holes 17 and the inner screw holes 18, and the requirements of different lengths of users can be met;

the bit 5 is fixedly connected with alloy teeth 3 in an equidistant shape, the middle part of the front end of the bit 5 is fixedly connected with a drill core 4, and the middle part of the bit 5 is fixedly embedded with a reinforcing cone 15, so that the drilling is more efficient;

the reinforcing column 14 is fixedly embedded in the middle of the screw column 1, the column shaft of the screw column 1 is fixedly connected with the screw teeth 8 in an equidistant mode, the reinforcing layer 21 is coated on the whole body of the column shaft of the screw column 1 and the screw teeth 8, the strength is higher, and the safety in use is improved.

The first clamping groove 2 is clamped with the first clamping block 7, the drill bit 5 and the screw rod column 1 can be fixed, the second clamping groove 13 is clamped with the first clamping block 7, the screw rod can be lengthened, the second clamping groove 13 is clamped with the second clamping block 10, the screw rod column 1 and the screw cap 12 can be fixed, the twenty-first opening 20 is formed in the middle of one side of the bolt 19, the bolt 19 is conveniently screwed into the outer screw hole 17 and the inner screw hole 18, the screw cap 12 is fixedly connected with the middle of the rear end of the flange plate 11, external force is conveniently applied to the screw rod, the first cross opening 16 is formed in the middle of the rear side of the screw cap 12, external force is conveniently applied to the screw rod by using the cross cutter under the condition of lacking a spanner, the reinforcing column 14 and the reinforcing cone 15 are made of high-strength steel, and the service life of the device is prolonged.

Working principle: when the screw rod is used, the first connecting column 6 is clamped with the first clamping block 7, the bolts 19 are sequentially screwed into the outer screw holes 17 and the inner screw holes 18, the drill bit 5 and the screw rod column 1 are fixed, the second connecting column 9 is clamped with the second clamping block 10, the bolts 19 are sequentially screwed into the outer screw holes 17 and the inner screw holes 18, the nuts 12 and the screw rod column 1 are fixed, when the screw rod length is insufficient, the second connecting column 9 is clamped with the first clamping block 7, the bolts 19 are sequentially screwed into the outer screw holes 17 and the inner screw holes 18, so that the screw rod is lengthened, alloy teeth 3 are arranged at the front end of the drill bit 5, drilling of the screw rod is more efficient, the strength of the drill bit 5 is greatly improved, the strength of the reinforcing column 14 in the middle of the screw rod column 1 is greatly improved, the strength of the screw rod is further improved through the external reinforcing layer 21, the screw rod is not broken in operation, and the safety of the screw rod is greatly improved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a high strength screw rod, includes screw rod post (1), drill bit (5) and ring flange (11), its characterized in that: the middle part fixedly connected with first fixture block (7) of screw rod post (1) front end, the rear end fixedly connected with second spliced pole (9) of screw rod post (1), second draw-in groove (13) have been seted up at the middle part of second spliced pole (9) rear end, drill bit (5) rear end fixedly connected with first spliced pole (6), first draw-in groove (2) have been seted up at the middle part of first spliced pole (6) rear end, the middle part fixedly connected with second fixture block (10) of ring flange (11) front end, interior screw (18) have all been seted up near middle part on one side of first fixture block (7) and second fixture block (10) one side, outer screw (17) have all been blocked to one side near middle part and second spliced pole (9) one side, outer screw (17) and interior screw (18) interior thread cover all are equipped with bolt (19);

alloy teeth (3) are fixedly connected to the conical body of the drill bit (5) at equal intervals, a drill core (4) is fixedly connected to the middle part of the front end of the drill bit (5), and a reinforcing cone (15) is fixedly embedded into the middle part of the drill bit (5);

the middle part of the screw rod column (1) is fixedly embedded with a reinforcing column (14), the column shaft of the screw rod column (1) is fixedly connected with screw teeth (8) at equal intervals, and the column shaft of the screw rod column (1) and the whole body of the screw teeth (8) are coated with a reinforcing layer (21).

2. A high strength screw as claimed in claim 1, wherein: the first clamping groove (2) is clamped with the first clamping block (7).

3. A high strength screw as claimed in claim 1, wherein: the second clamping groove (13) is clamped with the first clamping block (7).

4. A high strength screw as claimed in claim 1, wherein: the second clamping groove (13) is clamped with the second clamping block (10).

5. A high strength screw as claimed in claim 1, wherein: a twenty-first opening (20) is formed in the middle of one side of the bolt (19).

6. A high strength screw as claimed in claim 1, wherein: the middle part of the rear end of the flange plate (11) is fixedly connected with a nut (12).

7. A high strength screw as defined in claim 6, wherein: a first cross opening (16) is formed in the middle of the rear side of the nut (12).

8. A high strength screw as claimed in claim 1, wherein: the reinforcing column (14) and the reinforcing cone (15) are made of high-strength steel.