CN212242453U

CN212242453U - Hard alloy round bar

Info

Publication number: CN212242453U
Application number: CN202020241339.1U
Authority: CN
Inventors: 费向阳
Original assignee: Suzhou Yaohua Automation Equipment Co ltd
Current assignee: Suzhou Yaohua Automation Equipment Co ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-12-29
Anticipated expiration: 2030-03-03

Abstract

The utility model relates to a hard alloy round bar, the surface of the round bar body, the first connecting piece and the second connecting piece is wrapped with the stainless steel inner layer, the surface of the stainless steel inner layer is wrapped with the wear-resistant tungsten steel surface layer, so that the hard alloy round bar can be provided with a wear-resistant tungsten steel surface layer, the hard alloy round bar can not be easily dirtied, and the hard alloy round bar can be wear-resistant, is not easy to scrape flower, and can not influence the overall beautiful appearance of the hard alloy round bar; when the utility model is installed, the third lug of the first connecting piece is inserted into the first groove of the round bar body, and then the bolt sequentially passes through the second through hole of the first connecting piece and the first through hole of the round bar body to be screwed with the threaded hole, thereby realizing the fixation of the round bar body and the first connecting piece, having better fixation effect, and being convenient for installation and disassembly by adopting a clamping connection structure; the first lug of the round bar body is inserted into the third groove of the second connecting piece, so that a primary sealing structure is formed, no connecting gap exists, and the use quality is guaranteed.

Description

Hard alloy round bar

Technical Field

The utility model relates to a pole technical field, concretely relates to carbide pole.

Background

Cemented carbide is a material with high hardness, high strength and high wear resistance, and is widely used in many fields of modern industry. In the prior art, generally, when connecting, a hard alloy round rod is usually connected by adopting a screw joint or welding mode, so that the hard alloy round rod is inconvenient to mount and dismount, and meanwhile, when connecting, a certain connecting gap exists between the hard alloy round rod and the hard alloy round rod, pollutants and the like easily enter the inside of the hard alloy round rod through the connecting gap, so that the use quality of the hard alloy round rod is influenced; and the hard alloy does not have a wear-resistant tungsten steel surface layer, so that the material is easy to dirty, the pipe fitting is not wear-resistant and easy to scrape, and the overall attractiveness of the pipe fitting is influenced. In view of the above drawbacks, it is actually necessary to design a cemented carbide round bar.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a carbide pole to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a carbide pole, includes pole body, first connecting piece and second connecting piece, the one end swing joint of pole body has first connecting piece, the other end swing joint of pole body has the second connecting piece, pole body, first connecting piece and second connecting piece adopt carbide material to make, the surface coating of pole body, first connecting piece and second connecting piece has the stainless steel nexine, the surface coating of stainless steel nexine has wear-resisting wolfram steel top layer, and wear-resisting wolfram steel top layer adopts the wolfram steel material.

Preferably, the pole body is cylindrical structure, the one end of pole body is provided with the first lug of outside extension, first lug is square structure, the other end of pole body is provided with the second lug, the upper and lower surface of second lug is the arc structure, the second lug is cylindrical structure, the one end of second lug is provided with inside sunken first recess, the transversal hexagon structure of personally submitting of first recess, be provided with first through-hole on the lateral wall of second lug, first through-hole is linked together with first recess.

Preferably, the first connecting piece is of a cylindrical structure, one end of the first connecting piece is provided with an inward-recessed second groove, the second groove is of a circular structure and is matched with the second bump, a second through hole is formed in the side wall of the first connecting piece and is communicated with the second groove, a third bump extending outwards is arranged inside the second groove, and the cross section of the third bump is of a hexagonal structure.

Preferably, the second connecting piece is of a cylindrical structure, one end of the second connecting piece is provided with a third concave groove which is inwards concave, the third concave groove is of a square structure, and the third concave groove is matched with the first convex block.

Compared with the prior art, the utility model relates to a hard alloy round bar, the stainless steel inner layer is wrapped on the surfaces of the round bar body, the first connecting piece and the second connecting piece, and the wear-resistant tungsten steel surface layer is wrapped on the surface of the stainless steel inner layer, so that the purpose of providing a wear-resistant tungsten steel surface layer for the hard alloy round bar, preventing the hard alloy round bar from being easily dirtied, preventing the hard alloy round bar from being wear-resistant and being not easy to scratch and preventing the whole appearance of the hard alloy round bar from being influenced can be achieved; when the utility model is installed, the third lug of the first connecting piece is inserted into the first groove of the round bar body, and then the bolt sequentially passes through the second through hole of the first connecting piece and the first through hole of the round bar body to be screwed with the threaded hole, thereby realizing the fixation of the round bar body and the first connecting piece, having better fixation effect, adopting a clamping connection structure, being convenient for installation and disassembly and having good use effect; the first lug of the round bar body is inserted into the third groove of the second connecting piece, so that a primary sealing structure is formed, no connecting gap exists, and the use quality is guaranteed.

Drawings

The accompanying drawings 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, do not constitute a limitation of the invention, in which:

FIG. 1 is an exploded view of a hard alloy round bar of the present invention;

fig. 2 is a cross-sectional view of a hard alloy round bar of the present invention;

fig. 3 is a side view of the cemented carbide round rod of the present invention.

In the drawings:

1. a round bar body; 11. a first bump; 12. a second bump; 13. a first groove; 14. a first through hole; 2. a first connecting member; 21. a second groove; 22. a second through hole; 23. a third bump; 24. a threaded hole; 3. a second connecting member; 31. a third groove; 4. a stainless steel inner layer; 5. wear-resistant tungsten steel surface layer.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a carbide pole, includes pole body 1, first connecting piece 2 and second connecting piece 3, the one end swing joint of pole body 1 has first connecting piece 2, the other end swing joint of pole body 1 has second connecting piece 3.

In this embodiment, the round bar body 1 is a cylindrical structure, one end of the round bar body 1 is provided with a first protruding block 11 extending outwards, the first protruding block 11 is a square structure, the other end of the round bar body 1 is provided with a second protruding block 12, the upper and lower surfaces of the second protruding block 12 are both arc-shaped structures, the second protruding block 12 is a cylindrical structure, one end of the second protruding block 12 is provided with an inward recessed first groove 13, the cross section of the first groove 13 is a hexagonal structure, the side wall of the second protruding block 12 is provided with a first through hole 14, and the first through hole 14 is communicated with the first groove 13.

In this embodiment, the first connecting member 2 is a cylindrical structure, one end of the first connecting member 2 is provided with an inwardly recessed second groove 21, the second groove 21 is a circular structure, the second groove 21 is matched with the second protrusion 12, a second through hole 22 is formed in the side wall of the first connecting member 2, the second through hole 22 is communicated with the second groove 21, a third protrusion 23 extending outwardly is arranged inside the second groove 21, the cross section of the third protrusion 23 is of a hexagonal structure, and a threaded hole 24 is formed in the third protrusion 23.

In this embodiment, the second connecting member 3 is a cylindrical structure, one end of the second connecting member 3 is provided with a third concave groove 31 which is concave inwards, the third concave groove 31 is a square structure, and the third concave groove 31 is matched with the first convex block 11.

In this embodiment, the round bar body 1, the first connecting member 2, and the second connecting member 3 are made of a hard alloy material, the surface of the round bar body 1, the first connecting member 2, and the second connecting member 3 is wrapped with the stainless steel lining 4, the surface of the stainless steel lining 4 is wrapped with the wear-resistant tungsten steel surface layer 5, the wear-resistant tungsten steel surface layer 5 is made of a tungsten steel material, the tungsten steel is also called a hard alloy and refers to a sintered composite material containing at least one metal carbide, and the tungsten steel is of a carbon structure, has a smooth surface, and is strong in wear resistance.

The surface coating of pole body 1, first connecting piece 2 and second connecting piece 3 has stainless steel nexine 4, and the surface coating of stainless steel nexine 4 has wear-resisting tungsten steel top layer 5, can reach and provide the wear-resisting tungsten steel top layer of one deck for the carbide pole, can not make the carbide pole dirty easily to can make the carbide pole wear-resisting, be difficult to scrape the flower, can not influence the whole pleasing to the eye purpose of carbide pole.

When the utility model is installed, the third lug 23 of the first connecting piece 2 is inserted into the first groove 13 of the round bar body 1, and then the bolt sequentially passes through the second through hole 22 of the first connecting piece 2 and the first through hole 14 of the round bar body 1 to be screwed with the threaded hole 24, so that the round bar body 1 and the first connecting piece 2 are fixed, the fixing effect is better, a clamping connection structure is adopted, the installation and the disassembly are convenient, and the using effect is good; the first lug 11 of the round bar body 1 is inserted into the third groove 31 of the second connecting piece 3, so that a primary sealing structure is formed, no connecting gap exists, and the use quality is ensured.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a carbide pole, includes pole body (1), first connecting piece (2) and second connecting piece (3), its characterized in that: the utility model discloses a wear-resisting tungsten steel pole round bar, including pole body (1), one end swing joint of pole body (1) has first connecting piece (2), the other end swing joint of pole body (1) has second connecting piece (3), pole body (1), first connecting piece (2) and second connecting piece (3) adopt the carbide material to make, the surface coating of pole body (1), first connecting piece (2) and second connecting piece (3) has stainless steel nexine (4), the surface coating of stainless steel nexine (4) has wear-resisting tungsten steel top layer (5), and wear-resisting tungsten steel top layer (5) adopt the tungsten steel material.

2. The round cemented carbide rod as set forth in claim 1, wherein: the round bar body (1) is a cylindrical structure, the one end of round bar body (1) is provided with first lug (11) of outside extension, first lug (11) are square structure, the other end of round bar body (1) is provided with second lug (12), the upper and lower surface of second lug (12) is the arc structure, second lug (12) are cylindrical structure, the one end of second lug (12) is provided with inside sunken first recess (13), the transversal hexagon structure of personally submitting of first recess (13), be provided with first through-hole (14) on the lateral wall of second lug (12), first through-hole (14) are linked together with first recess (13).

3. The round cemented carbide rod as set forth in claim 1, wherein: first connecting piece (2) are cylindrical structure, the one end of first connecting piece (2) is provided with inside sunken second recess (21), second recess (21) are circular structure, second recess (21) and second lug (12) phase-match, be provided with second through-hole (22) on the lateral wall of first connecting piece (2), second through-hole (22) are linked together with second recess (21), inside third lug (23) that are provided with outside extension of second recess (21), the hexagonal structure is personally submitted in the transversal of third lug (23).

4. The round cemented carbide rod as set forth in claim 1, wherein: the second connecting piece (3) is of a cylindrical structure, one end of the second connecting piece (3) is provided with a third groove (31) which is inwards sunken, the third groove (31) is of a square structure, and the third groove (31) is matched with the first bump (11).