CN210461617U - Accurate cold-drawn seamless steel tube - Google Patents
Accurate cold-drawn seamless steel tube Download PDFInfo
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- CN210461617U CN210461617U CN201921424237.7U CN201921424237U CN210461617U CN 210461617 U CN210461617 U CN 210461617U CN 201921424237 U CN201921424237 U CN 201921424237U CN 210461617 U CN210461617 U CN 210461617U
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Abstract
The utility model discloses a relate to seamless steel pipe technical field, specifically be an accurate cold drawing seamless steel pipe, including the seamless steel pipe main part, the seamless steel pipe main part is the pipe column structure, and the inner circle department an organic whole of seamless steel pipe main part is provided with interior anti-corrosion coating, and the outer lane department an organic whole of seamless steel pipe main part is provided with outer anti-corrosion coating, and the outer lane end fixing of outer anti-corrosion coating is provided with the external splines, and the preceding side surface of seamless steel pipe main part is provided with reserved thread hole, and the inner circle department end fixing of interior anti-corrosion coating is provided with the internal splines. The inner anti-corrosion layer and the outer anti-corrosion layer are respectively arranged inside and outside the seamless steel pipe main body, so that the whole anti-corrosion performance is strong, and the service life is long; the inner ring and the outer ring of the seamless steel pipe main body are respectively provided with the inner spline and the outer spline, so that the seamless steel pipe main body is convenient to connect with an external transmission shaft and is convenient to use; the utility model discloses well seamless steel pipe main part inner circle department is provided with the radiating groove, good heat dissipation during the use has increased the life of seamless steel pipe main part.
Description
Technical Field
The utility model relates to a seamless steel pipe technical field specifically is a seamless steel pipe of accurate cold drawing.
Background
The seamless steel tube is made of a whole metal, the surface of the steel tube is not provided with a seam, the steel tube is called as the seamless steel tube, in the prior art, the seamless steel tube is often processed through precise cold drawing, but the defect of inconvenience and external structure connection exists in the using process, the surface of the seamless steel tube is easy to rust when the seamless steel tube is used for a long time, and the service life of the seamless steel tube is shortened.
Therefore, we propose a precision cold-drawing seamless steel tube to solve the above disadvantages well.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an accurate cold drawing seamless steel pipe to solve the problem that proposes in 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 precision cold drawing seamless steel pipe, includes seamless steel pipe main part, seamless steel pipe main part is the pipe column structure, and the inner circle department an organic whole of seamless steel pipe main part is provided with interior anti-corrosion coating, and the outer lane department an organic whole of seamless steel pipe main part is provided with outer anti-corrosion coating, outer anti-corrosion coating's outer lane end fixing is provided with the external splines, seamless steel pipe main part's front side surface is provided with reserved screw hole, the inner circle department end fixing of interior anti-corrosion coating is provided with the internal splines, the inner circle department of interior anti-corrosion coating is provided with the radiating groove, is provided with the multiunit around the radiating groove, moves towards adjacent radiating groove through the second spread groove between the front and back and is linked together, the second spread groove runs through the setting of the front and back both sides face of interior.
Preferably, the external splines are in a rectangular block structure, four groups of external splines are arranged, and the four groups of external splines are distributed in a circular array.
Preferably, the reserved threaded holes are of a round hole structure, eight groups of reserved threaded holes are arranged, and the eight groups of reserved threaded holes are distributed in a circular array shape.
Preferably, the internal splines are in a rectangular block structure, four groups of internal splines are arranged, and the four groups of internal splines are distributed in a circular array shape.
Preferably, the radiating grooves are of rectangular groove body structures and distributed in a circular array shape.
Preferably, the first connecting groove is of a circular groove body structure, and the first connecting groove is attached to the inner wall of the inner anti-corrosion layer.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the inner anti-corrosion layer and the outer anti-corrosion layer are respectively arranged inside and outside the seamless steel pipe main body, so that the whole anti-corrosion performance is strong, and the service life is long;
2. the inner ring and the outer ring of the seamless steel pipe main body are respectively provided with the inner spline and the outer spline, so that the seamless steel pipe main body is convenient to connect with an external transmission shaft and is convenient to use;
3. the utility model discloses well seamless steel pipe main part inner circle department is provided with the radiating groove, good heat dissipation during the use has increased the life of seamless steel pipe main part.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is a schematic view of the structure of the heat sink of the present invention.
In the figure: the seamless steel tube comprises a seamless steel tube body 1, an outer anti-corrosion layer 2, an inner anti-corrosion layer 3, an outer spline 4, an inner spline 5, a heat dissipation groove 6, a first connecting groove 7, a second connecting groove 8 and a reserved threaded hole 9.
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 to 3, the present invention provides a technical solution: a precision cold-drawing seamless steel tube comprises a seamless steel tube main body 1, wherein the seamless steel tube main body 1 is of a circular tubular structure, an inner anti-corrosion layer 3 is integrally arranged at the inner ring of the seamless steel tube main body 1, an outer anti-corrosion layer 2 is integrally arranged at the outer ring of the seamless steel tube main body 1, an outer spline 4 is fixedly arranged at the end part of the outer ring of the outer anti-corrosion layer 2, the outer spline 4 is of a rectangular block structure, four groups of the outer splines 4 are arranged, and the four groups of the outer splines 4 are distributed in a circular array shape, so that a transmission shaft with an inner key groove in the outer part and;
the front side surface of the seamless steel tube main body 1 is provided with reserved threaded holes 9, the reserved threaded holes 9 are in a round hole structure, eight groups of reserved threaded holes 9 are arranged, and the eight groups of reserved threaded holes 9 are distributed in a circular array shape and can be used for connecting flanges;
the end part of the inner ring of the inner anti-corrosion layer 3 is fixedly provided with an internal spline 5, the internal spline 5 is in a rectangular block structure, four groups of internal splines 5 are arranged, and the four groups of internal splines 5 are distributed in a circular array shape, so that a solid transmission shaft with a key groove on the outer ring can be conveniently connected;
the inner ring of the inner anti-corrosion layer 3 is provided with heat dissipation grooves 6, the heat dissipation grooves 6 are of rectangular groove body structures, the heat dissipation grooves 6 are distributed in a circular array shape, and the heat dissipation grooves 6 enable certain gaps to be formed between the seamless steel pipe main body 1 and the transmission shaft for heat dissipation when the seamless steel pipe main body is connected;
a plurality of groups of heat dissipation grooves 6 are arranged in the front and the back, the heat dissipation grooves 6 which are adjacent in the front and back directions are communicated through second connection grooves 8, the second connection grooves 8 simultaneously penetrate through the front side surface and the back side surface of the inner anti-corrosion layer 3, and the second connection grooves 8 can lead out hot gas in the plurality of groups of heat dissipation grooves 6, so that a good heat dissipation effect is achieved;
it is linked together through first connecting groove 7 to control between the adjacent radiating groove 6, and first connecting groove 7 is ring groove body structure, and first connecting groove 7 laminating sets up on the inner wall of interior anti-corrosion coating 3, and first connecting groove 7 has the purpose of the circular array form radiating groove 6 of intercommunication.
The working principle is as follows: the outside transmission shaft that has the pipe form of interior keyway is provided with external splines 4 to seamless steel pipe main part 1 outside, the outside transmission shaft that has the pipe form of interior keyway is conveniently connected, 1 inside internal splines 5 that is provided with of seamless steel pipe main part, conveniently connect the solid transmission shaft that the outer lane has the keyway, can install according to the actual demand, and 1 inner circle department of seamless steel pipe main part is provided with radiating groove 6, good thermal diffusivity has when the transmission shaft is connected to seamless steel pipe main part 1 and uses, the life of seamless steel pipe main part 1 has been increased, 1 preceding side surface of seamless steel pipe main part still is provided with reserved screw hole 9, conveniently be used for flange.
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 (6)
1. The utility model provides a precision cold drawing seamless steel pipe, includes seamless steel pipe main part (1), its characterized in that: the seamless steel tube main body (1) is of a round tubular structure, an inner anti-corrosion layer (3) is integrally arranged at the inner ring of the seamless steel tube main body (1), an outer anti-corrosion layer (2) is integrally arranged at the outer ring of the seamless steel tube main body (1), the outer ring end part of the outer anti-corrosion layer (2) is fixedly provided with an outer spline (4), a reserved threaded hole (9) is formed in the front side surface of the seamless steel pipe body (1), an inner spline (5) is fixedly arranged at the end part of the inner ring of the inner anti-corrosion layer (3), the inner ring of the inner anti-corrosion layer (3) is provided with a plurality of groups of heat dissipation grooves (6), the heat dissipation grooves (6) which run forward and backward are communicated with each other through a second connection groove (8), the second connecting grooves (8) penetrate through the front side face and the rear side face of the inner anti-corrosion layer (3) at the same time, and the left and right adjacent radiating grooves (6) are communicated through the first connecting grooves (7).
2. The precision cold drawn seamless steel tube of claim 1, wherein: the outer splines (4) are in rectangular block structures, four groups of the outer splines (4) are arranged, and the four groups of the outer splines (4) are distributed in a circular array shape.
3. The precision cold drawn seamless steel tube of claim 1, wherein: the reserved threaded holes (9) are of round hole-shaped structures, eight groups of reserved threaded holes (9) are arranged, and the eight groups of reserved threaded holes (9) are distributed in a circular array shape.
4. The precision cold drawn seamless steel tube of claim 1, wherein: the internal splines (5) are in rectangular block structures, four groups of internal splines (5) are arranged, and the four groups of internal splines (5) are distributed in a circular array shape.
5. The precision cold drawn seamless steel tube of claim 1, wherein: the radiating grooves (6) are of rectangular groove body structures, and the radiating grooves (6) are distributed in a circular array shape.
6. The precision cold drawn seamless steel tube of claim 1, wherein: the first connecting groove (7) is of a circular groove body structure, and the first connecting groove (7) is attached to the inner wall of the inner anti-corrosion layer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921424237.7U CN210461617U (en) | 2019-08-30 | 2019-08-30 | Accurate cold-drawn seamless steel tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921424237.7U CN210461617U (en) | 2019-08-30 | 2019-08-30 | Accurate cold-drawn seamless steel tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210461617U true CN210461617U (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921424237.7U Active CN210461617U (en) | 2019-08-30 | 2019-08-30 | Accurate cold-drawn seamless steel tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210461617U (en) |
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2019
- 2019-08-30 CN CN201921424237.7U patent/CN210461617U/en active Active
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