CN218719396U

CN218719396U - Seamless steel pipe convenient to make

Info

Publication number: CN218719396U
Application number: CN202223054418.XU
Authority: CN
Inventors: 王艺潼; 耿显志
Original assignee: Tianjin Fengda New Energy Technology Co ltd
Current assignee: Tianjin Fengda New Energy Technology Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-03-24
Anticipated expiration: 2032-11-17

Abstract

The utility model belongs to the technical field of seamless steel pipe, especially, be a seamless steel pipe convenient to make, including the suit outer tube, the suit inner tube has been cup jointed to the positive inner chamber screw thread of suit outer tube, the tube hole has been seted up in the front of suit inner tube, the concatenation groove has been seted up to the medial surface of suit outer tube, the outer draw-in groove has all been seted up at both ends about the suit outer tube medial surface the interior draw-in groove has all been seted up to the left and right sides of suit inner tube surface, the inner chamber fixed joint of interior draw-in groove has spacing card strip, the lateral surface of spacing card strip and the fixed joint of the medial surface of outer draw-in groove. The utility model discloses a setting of suit outer tube and suit inner tube utilizes mutually supporting between draw-in groove, interior draw-in groove and the spacing card strip, can let the screw thread between suit outer tube and the suit inner tube cup joint more closely of form for can not appear not hard up the condition in the in-process that uses between suit outer tube and the suit inner tube, and more conveniently produce and make out.

Description

Seamless steel pipe convenient to make

Technical Field

The utility model relates to a seamless steel pipe technical field especially relates to a seamless steel pipe convenient to make.

Background

The seamless steel pipe is a steel pipe formed by extrusion, and has no seam for production and splicing on the outer surface, so that the seamless steel pipe can bear higher pressure when in use, and the outer surface is not easy to crack.

However, in the prior art, because there is hollow setting inside seamless steel pipe, hollow design can let seamless steel pipe's heat-sinking capability promote, but the setting that the screw thread arrived is used in current seamless steel pipe's cavity concatenation, and the hollow space when it uses is reduced greatly for its radiating effect also can reduce thereupon, and when using, it is not hard up to appear easily between outside pipeline and the inboard pipeline, causes the separation in the use easily, for this reason, provides a seamless steel pipe convenient to make.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a seamless steel tube convenient to manufacture.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a seamless steel pipe convenient to make, includes the suit outer tube, the suit inner tube has been cup jointed to the positive inner chamber screw thread of suit outer tube, the tube hole has been seted up in the front of suit inner tube, the concatenation groove has been seted up to the medial surface of suit outer tube, outer draw-in groove has all been seted up at both ends about the suit outer tube medial surface interior draw-in groove has all been seted up to the left and right sides of suit inner tube surface, the inner chamber fixed joint of interior draw-in groove has spacing card strip, the lateral surface of spacing card strip and the medial surface fixed joint of outer draw-in groove.

Preferably, the outer surface of the splicing groove is provided with an internal thread, the outer surface of the sleeved inner pipe is provided with an external thread, and the grains of the external thread are matched with the grains of the internal thread.

Preferably, the front surface of the sleeved outer pipe is provided with a hollow sleeved hole, and the size and the shape of the hollow sleeved hole are matched with those of the sleeved inner pipe.

Preferably, the size and the shape of one end of the inner side of the limiting clamping strip are matched with those of the inner clamping groove, and the size and the shape of one end of the outer side of the limiting clamping strip are matched with those of the outer clamping groove.

Preferably, the side surface of the inner cavity of the sleeved outer tube is provided with six hollow gaps, and the six hollow gaps are uniformly distributed on the inner side surface of the sleeved outer tube.

Compared with the prior art, the beneficial effects of the utility model are that: at first, the device utilizes mutually supporting between outer draw-in groove, inner draw-in groove and the spacing card strip through the setting of suit outer tube and suit inner tube, can let the screw between suit outer tube and the suit inner tube cup joint the form inseparabler more for can not appear not hard up condition in the in-process that uses between suit outer tube and the suit inner tube, and more conveniently produce and make out.

The utility model is simple in operation, convenient to use through the setting of tube hole, utilizes the shape of seting up of tube hole, can adjust to the design shape of suit outer tube inner chamber for the cross-sectional length of tube hole increases, makes the inside of suit inner tube can carry out faster heat dissipation.

Drawings

FIG. 1 is a front sectional view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the inner tube of the present invention;

fig. 3 is a side sectional view of the structure of the middle sleeved outer tube of the present invention.

In the figure: 1. sleeving an outer pipe; 11. an outer clamping groove; 2. sleeving an inner pipe; 21. an inner clamping groove; 3. a tube hole; 4. splicing grooves; 5. and limiting clamping strips.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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: a seamless steel pipe convenient to manufacture comprises a sleeved outer pipe 1, wherein the side surface of an inner cavity of the sleeved outer pipe 1 is provided with six hollow gaps, the six hollow gaps are respectively arranged on the inner side surface of the sleeved outer pipe 1, the heat dissipation effect of the inner part of the steel pipe can be improved when the steel pipe is used, the integral strength is improved due to the splicing between the sleeved outer pipe 1 and the sleeved inner pipe 2, materials required by production are saved, the front surface of the sleeved outer pipe 1 is provided with a hollow sleeved hole, the size and the shape of the hollow sleeved hole are matched with those of the sleeved inner pipe 2, the sleeved inner pipe 2 can be screwed into the hollow sleeved hole, the inner cavity thread on the front surface of the sleeved outer pipe 1 is sleeved with the sleeved inner pipe 2, and the front surface of the sleeved inner pipe 2 is provided with a pipe hole 3, splice groove 4 has been seted up to the medial surface of suit outer tube 1, the internal thread has been seted up to splice groove 4's surface, the external screw thread has been seted up to the surface of suit inner tube 2, the line and the internal screw thread line looks adaptation of external screw thread, external screw thread and internal screw thread are seted up and to be let carry out threaded suit operation between suit inner tube 2 and the suit outer tube 1, interior draw-in groove 21 has all been seted up to the left and right sides that outer draw-in groove 11 suit inner tube 2 surface is all seted up at both ends about 1 medial surface of suit outer tube, the inner chamber fixed joint of interior draw-in groove 21 has spacing calorie of strip 5, the size and the shape of 5 inboard one ends of spacing calorie of strip and the size and the shape looks adaptation of interior draw-in groove 21, the size and the shape of the outside of 5 outside one end of spacing calorie of strip and the size and the shape looks adaptation of outer draw-in groove 11, the lateral surface of spacing calorie of strip 5 and the medial surface fixed joint of outer draw-in groove 11.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 seamless steel pipe convenient to make, includes suit outer tube (1), its characterized in that: suit inner tube (2) have been cup jointed to the positive inner chamber screw thread of suit outer tube (1), tube hole (3) have been seted up in the front of suit inner tube (2), splice groove (4) have been seted up to the medial surface of suit outer tube (1), outer draw-in groove (11) have all been seted up at both ends about suit outer tube (1) medial surface, inner clamping groove (21) have all been seted up to the left and right sides of suit inner tube (2) surface, the inner chamber fixed joint of inner clamping groove (21) has spacing card strip (5), the lateral surface of spacing card strip (5) and the medial surface fixed joint of outer draw-in groove (11).

2. The seamless steel pipe easy to manufacture as claimed in claim 1, wherein: the outer surface of the splicing groove (4) is provided with an internal thread, the outer surface of the sleeving inner pipe (2) is provided with an external thread, and the grains of the external thread are matched with the grains of the internal thread.

3. The seamless steel pipe easy to manufacture as claimed in claim 1, wherein: the front surface of the sleeved outer pipe (1) is provided with a hollow sleeved hole, and the size and the shape of the hollow sleeved hole are matched with those of the sleeved inner pipe (2).

4. The seamless steel pipe easy to manufacture as claimed in claim 1, wherein: the size and the shape of the inner side end of the limiting clamping strip (5) are matched with those of the inner clamping groove (21), and the size and the shape of the outer side end of the limiting clamping strip (5) are matched with those of the outer clamping groove (11).

5. The seamless steel pipe easy to manufacture as claimed in claim 1, wherein: the inner cavity side of the sleeving outer pipe (1) is provided with six hollow gaps, and the six hollow gaps are equally divided on the inner side surface of the sleeving outer pipe (1).