CN218510362U

CN218510362U - Locking seamless steel pipe for high pressure boiler

Info

Publication number: CN218510362U
Application number: CN202222624518.5U
Authority: CN
Inventors: 周文庆; 范琪
Original assignee: Shengde Xintai New Material Co ltd
Current assignee: Shengde Xintai New Material Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-02-21
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to a seamless steel pipe technical field for high-pressure boiler specifically is a locking seamless steel pipe for high-pressure boiler, including the seamless steel pipe body, the one end of seamless steel pipe body is equipped with the screw thread ring, the annular has been seted up to the other end of seamless steel pipe body, be equipped with the screw thread layer on the inner wall of annular, be equipped with fastening device on the seamless steel pipe body, fastening device includes fixed case, butt joint groove, fastening groove, screw hole, screw thread post and mounting plate, fixed case is installed on the seamless steel pipe, the fastening groove is seted up the inside of fixed case, the mounting plate with be equipped with stop gear between one side of fastening groove, stop gear includes spacing groove, spacing hole, spacing post and draw-in groove, is convenient for assemble seamless steel pipe body through fastening device and stop gear to can prevent that threaded connection from appearing not hard up the condition not hard up.

Description

Locking seamless steel pipe for high pressure boiler

Technical Field

The utility model relates to a seamless steel pipe technical field for high pressure boiler specifically is a locking seamless steel pipe for high pressure boiler.

Background

As is well known, a seamless steel tube for a high-pressure boiler is a kind of boiler tube, and has strict requirements on the steel grade and the process used for manufacturing the steel tube, and the structure of the existing seamless steel tube for the high-pressure boiler is generally a steel tube body and flange rings fixed at two ends of the steel tube body, a plurality of flange holes are distributed on the flange rings, and the connection process of the two steel tube bodies is as follows: at first aim at the flange hole on two seamless steel pipes, pass the flange hole on two seamless steel pipes after aiming at in proper order through bolt assembly after that, then screw up bolt assembly, with this with two seamless steel pipe fixed connection, current seamless steel pipe is when the butt joint, need just can aim at the flange hole on it and the flange hole on another steel pipe body through rotating the steel pipe body, lead to wasting time and energy, the efficiency of construction is low, and receiving external influence, the not hard up problem of bolt assembly appears easily when shaking etc. appears, then the junction produces the gap under the serious condition, cause the potential safety hazard of leakage.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the not enough of prior art, the utility model provides a seamless steel pipe for locking high pressure boiler.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a locking seamless steel pipe for high pressure boiler, includes the seamless steel pipe body, the one end of seamless steel pipe body is equipped with the screw thread ring, the annular has been seted up to the other end of seamless steel pipe body, be equipped with the screw thread layer on the inner wall of annular, be equipped with fastening device on the seamless steel pipe body, fastening device includes fixed case, butt joint groove, fastening groove, screw hole, screw thread post and mounting plate, fixed case is installed on the seamless steel pipe body, fastening groove sets up the inside of fixed case, fastening groove intercommunication the annular, the screw hole sets up the both ends of fixed case, the screw hole intercommunication fastening groove, screw thread post threaded connection the screw hole, the one end of screw thread post with be equipped with the bearing between the mounting plate, the mounting plate is located in the fastening groove, the arc groove has been seted up to the one end of mounting plate, butt joint groove sets up the outside of screw thread ring, the mounting plate with be equipped with stop gear between one side of fastening groove, stop gear includes spacing groove, spacing hole, spacing post and draw-in, the draw-in groove, the draw-in one side of spacing groove, the spacing hole is equipped with limiting plate, limiting spring intercommunication on one side of limiting groove.

In order to improve the sealing performance between the arc groove and the butt joint groove, the utility model discloses the improvement has, the outside in arc groove is equipped with sealed the pad all around.

In order to improve the durability, the utility model discloses the improvement has, sealed the pad is the plastic material.

In order to facilitate the personnel to rotate the threaded column, the utility model discloses the improvement has, the one end of threaded column is equipped with twists the piece.

In order to facilitate the personnel to screw up the screw thread post, the utility model discloses the improvement has, it is the hexagon structure to twist the piece.

In the convenience of the spacing post inserts the draw-in groove, the utility model discloses the improvement has, the draw-in groove with spacing post looks adaptation.

(III) advantageous effects

Compared with the prior art, the utility model provides a locking seamless steel pipe for high-pressure boiler possesses following beneficial effect:

this locking seamless steel pipe for high pressure boiler, the arc groove of two mounting plates supports on the butt joint groove, can make the butt joint groove seal, thereby improve sealed effect, and simultaneously, spacing post among the stop gear just in time inserts in the draw-in groove that mounting plate one side was seted up, thereby make the mounting plate fix, thereby can prevent that the screw thread post from appearing not hard up the condition in the screw hole, thereby can further prevent that the screw thread ring from appearing not hard up the condition on the screw thread layer, through stop gear between two mounting plates and the mounting groove one side among fastening gear and the fastening gear, can prevent effectively that the screw thread ring from appearing not hard up the condition on the screw thread layer, can make two seamless steel pipe body coupling more firm, when personnel assemble two seamless steel pipe body together, only rotate a seamless steel pipe body then rotate two screw thread posts, just can make two seamless steel pipe body assemblies together, the assembly of being convenient for, and can prevent that threaded connection from appearing not hard up the condition.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side half-sectional view of an enlarged structure of the fixing box of FIG. 1 according to the present invention;

fig. 3 is a front view and a half sectional view of the structure of the present invention.

In the figure: 1. a threaded ring; 2. a ring groove; 3. a threaded layer; 4. a butt joint groove; 5. a fastening groove; 6. a threaded hole; 7. a threaded post; 8. a fastening plate; 9. a bearing; 10. an arc groove; 11. a limiting hole; 12. a limiting column; 13. a card slot; 14. a limiting plate; 15. a spring; 16. a gasket; 17. twisting the block; 18. a fixed box; 19. a seamless steel tube body.

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 relates to a seamless steel tube for a locking high pressure boiler, comprising a seamless steel tube body 19, wherein a threaded ring 1 is disposed at one end of the seamless steel tube body 19, an annular groove 2 is disposed at the other end of the seamless steel tube body 19, a threaded layer 3 is disposed on an inner wall of the annular groove 2, a fastening mechanism is disposed on the seamless steel tube body 19, the fastening mechanism comprises a fixed box 18, a butt-joint groove 4, a fastening groove 5, a threaded hole 6, a threaded post 7 and a fastening plate 8, the fixed box 18 is mounted on the seamless steel tube body 19, the fastening groove 5 is disposed inside the fixed box 18, the fastening groove 5 is communicated with the annular groove 2, the threaded hole 6 is disposed at both ends of the fixed box 18, the threaded hole 6 is communicated with the fastening groove 5, the threaded post 7 is in threaded connection with the threaded hole 6, a bearing 9 is disposed between one end of the threaded post 7 and the fastening plate 8, the fastening plate 8 is disposed in the fastening groove 5, an arc groove 10 is disposed at one end of the fastening groove 4, the fastening groove 4 is disposed at one side of the fastening groove 12, a limiting hole 12 is disposed in the limiting plate 12, and a limiting plate 12 is disposed in the limiting groove 12, the limiting groove 12 is disposed in the limiting groove 12, the limiting plate 12, the limiting groove 12 is disposed in the limiting groove 12, and a limiting plate 12, the limiting plate 12 is disposed in the limiting groove 12, the limiting plate 12, the limiting groove 12 is disposed in the limiting plate 12, in the embodiment, the threaded ring 1 at one end of one seamless steel tube body 19 is in threaded connection with the threaded layer 3 on the inner buffer wall formed by the other seamless steel tube body 19, so that the two seamless steel tube bodies 19 are connected together, at the moment, the butt groove 4 formed in the threaded ring 1 of one seamless steel tube body 19 just aligns with the fastening groove 5, then a person rotates the threaded columns 7 in the threaded holes 6 at two ends of the fixing box 18 on the other seamless steel tube body 19, the threaded columns 7 rotationally move in the threaded holes 6, the fastening plate 8 moves along with the threaded columns 7, the fastening plate 8 is limited by the fastening groove 5 and the bearing 9 between the threaded column 7 and the fastening plate 8 in the fastening groove 5, so that when the fastening plate 8 moves along with the threaded columns 7, the fastening plate does not rotate along with the threaded columns 7, the arc grooves 10 at the bottom ends of the fastening plates 8 abut against the butt grooves 4, thereby preventing the threaded ring 1 from loosening on the threaded layer 3, the arc grooves 10 of the two fastening plates 8 abut against the butt grooves 4, thereby sealing the butt grooves 4 can be sealed, thereby improving the sealing effect, and simultaneously, the effect that when the fastening mechanism is used for preventing the situation that the fastening plate 14 on one side of the fastening plate 1 and the fastening plate 8 from loosening occurs, the limiting plate 8 can be inserted into the fastening mechanism, thereby preventing the fastening mechanism from loosening on one side of the fastening plate 8, and the limiting plate 8, thereby preventing the limiting plate from loosening on the side of the limiting plate 8, and the limiting plate connecting mechanism, and the limiting mechanism, thereby preventing mechanism from loosening of the limiting mechanism from loosening on the side of the limiting plate connecting mechanism, and preventing mechanism from loosening of the limiting mechanism, thereby preventing the limiting mechanism from loosening of the limiting plate 8, and preventing mechanism from loosening of the limiting plate 19, only one seamless steel pipe body 19 is rotated and then the two threaded columns 7 are rotated, so that the two seamless steel pipe bodies 19 can be assembled together, the assembly is convenient, and the loosening condition of threaded connection can be prevented.

In order to improve the sealing performance between the arc groove 10 and the butt joint groove 4, in this embodiment, the outside of the arc groove 10 is provided with the sealing gasket 16 all around, improves the sealing gasket 16 all around outside the arc groove 10, and the sealing gasket 16 supports on the butt joint groove 4, thereby improving the sealing performance between the arc groove 10 and the butt joint groove 4, thereby improving the practicality of this structure.

The sealing gasket 16 may be made of any material, and in order to further improve the durability, in this embodiment, the sealing gasket 16 is made of plastic, and the sealing gasket 16 is made of plastic, so that the plastic has better durability, thereby improving the durability of the sealing gasket 16.

In order to facilitate the personnel to rotate the threaded column 7, in the embodiment, one end of the threaded column 7 is provided with the screwing block 17, and through the screwing block 17 at one end of the threaded column 7, the personnel can rotate the threaded column 7 through the screwing block 17, so that the structure is more convenient to use, and the practicability of the structure is improved.

In order to facilitate the tightening of the threaded column 7 by a person, in the embodiment, the tightening block 17 is of a hexagonal structure, and the tightening block 17 is of a hexagonal structure, so that the person can clamp and rotate the tightening block 17 by using tools such as a wrench, and the threaded column 7 can be tightened conveniently.

In the convenience of spacing post 12 inserts draw-in groove 13, in this embodiment, draw-in groove 13 with spacing post 12 looks adaptation is through draw-in groove 13 and spacing post 12 looks adaptation to the one end of being convenient for spacing post 12 supports in draw-in groove 13, thereby improves the practicality of this structure.

To explain in detail the possible application scenarios, technical principles, and practical embodiments of the present application, and to achieve the objectives and effects thereof, the following detailed description is given with reference to the accompanying drawings. The embodiments described herein are merely for more clearly illustrating the technical solutions of the present application, and therefore, the embodiments are only used as examples, and the scope of the present application is not limited thereby.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or related to other embodiments specifically defined. In principle, in the present application, the technical features mentioned in the embodiments can be combined in any manner to form a corresponding implementable solution as long as there is no technical contradiction or conflict.

Unless otherwise defined, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the use of relational terms herein is intended to describe specific embodiments only and is not intended to limit the present application.

In this application, terms such as "first" and "second" are 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.

Without further limitation, in this application, the use of "including," "comprising," "having," or other similar expressions in phrases and expressions of "including," "comprising," or "having," is intended to cover a non-exclusive inclusion, and such expressions do not exclude the presence of additional elements in a process, method, or article that includes the recited elements, such that a process, method, or article that includes a list of elements may include not only those elements but also other elements not expressly listed or inherent to such process, method, or article.

As is understood in the examination of the guidelines, the terms "greater than", "less than", "more than" and the like in this application are to be understood as excluding the number; the expressions "above", "below", "within" and the like are understood to include the present numbers. In addition, in the description of the embodiments of the present application, "a plurality" means two or more (including two), and expressions related to "a plurality" similar thereto are also understood, for example, "a plurality of groups", "a plurality of times", and the like, unless specifically defined otherwise.

In the description of the embodiments of the present application, spatially relative expressions such as "central," "longitudinal," "lateral," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used, and the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the specific embodiments or drawings and are only for convenience of describing the specific embodiments of the present application or for the convenience of the reader, and do not indicate or imply that the device or component in question must have a specific position, a specific orientation, or be constructed or operated in a specific orientation and therefore should not be construed as limiting the embodiments of the present application.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured," and "disposed" used in the description of the embodiments of the present application are to be construed broadly. For example, the connection can be a fixed connection, a detachable connection, or an integrated arrangement; it can be a mechanical connection, an electrical connection, or a communication connection; they may be directly connected or indirectly connected through an intermediate; which may be communication within two elements or an interaction of two elements. Specific meanings of the above terms in the embodiments of the present application can be understood by those skilled in the art to which the present application pertains in accordance with specific situations.

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 locking seamless steel pipe for high pressure boiler, includes seamless steel pipe body (19), its characterized in that, the one end of seamless steel pipe body (19) is equipped with screw ring (1), annular (2) have been seted up to the other end of seamless steel pipe body (19), be equipped with screw layer (3) on the inner wall of annular (2), be equipped with fastening device on seamless steel pipe body (19), fastening device includes fixed case (18), butt joint groove (4), fastening groove (5), screw hole (6), screw thread post (7) and mounting plate (8), install fixed case (18) on seamless steel pipe body (19), fastening groove (5) are seted up the inside of fixed case (18), fastening groove (5) intercommunication annular (2), screw hole (6) are seted up the both ends of fixed case (18), screw hole (6) intercommunication fastening groove (5), screw thread post (7) threaded connection screw hole (6), be equipped with bearing (9) between the one end of screw thread post (7) and mounting plate (8), set up in the one end of arc groove (10) the butt joint groove (10), mounting plate (8) with be equipped with stop gear between one side of fastening groove (5), stop gear includes spacing groove, spacing hole (11), spacing post (12) and draw-in groove (13), draw-in groove (13) are seted up one side of mounting plate (8), the spacing groove is seted up the inside of fixed case (18), set up in spacing hole (11) one side of fixed case (18), spacing hole (11) are passed spacing groove intercommunication fastening groove (5), spacing post (12) are located on spacing hole (11), the both sides of spacing post (12) are equipped with limiting plate (14), limiting plate (14) are located in the spacing groove, one side of limiting plate (14) is equipped with spring (15).

2. The anti-loosening seamless steel tube for the high-pressure boiler as claimed in claim 1, wherein a gasket (16) is provided around the outer side of the arc groove (10).

3. The anti-loosening seamless steel tube for the high-pressure boiler as claimed in claim 2, wherein the gasket (16) is made of plastic.

4. A looseness-proof seamless steel pipe for a high pressure boiler according to claim 3, wherein a screw block (17) is provided at one end of said screw post (7).

5. The lockless seamless steel tube for a high-pressure boiler according to claim 4, wherein the twisted block (17) has a hexagonal structure.

6. The anti-loose seamless steel tube for the high-pressure boiler as claimed in claim 5, wherein the clamping groove (13) is matched with the limiting column (12).