CN210240828U

CN210240828U - Steel pipe sleeve

Info

Publication number: CN210240828U
Application number: CN201921198507.7U
Authority: CN
Inventors: Linchang Bian; 边林昌
Original assignee: Tianjin Tongxintai Steel Pipe Manufacturing Co ltd
Current assignee: Tianjin Tongxintai Steel Pipe Manufacturing Co ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-04-03
Anticipated expiration: 2029-07-29

Abstract

The utility model discloses a steel-pipe sleeve, including sleeve body, guide ring, installation mechanism and protection machanism. The utility model has the advantages that: the utility model discloses the welding baffle of the inside center department of sleeve body, the both ends welding of baffle has the pressure spring, two pressure springs back of the body end welding have the guard plate with sleeve body sliding connection, the slider of guard plate lateral wall is contradicted with the tip of spout when not using, avoid the grit, the dust enters into the inside of sleeve body, the wire tooth wearing and tearing of steel pipe and sleeve body inner wall when having stopped reuse, influence the stability of steel pipe, be unfavorable for the installation operation, the steel pipe enters into the inside of sleeve body from the uide bushing when using, continue to rotate the steel pipe and has realized that the guard plate is contradicted, the pressure spring shrink, do not influence the installation of steel pipe, installation mechanism is installed to the lateral wall of sleeve body, make things convenient for the installation of steel.

Description

Steel pipe sleeve

Technical Field

The utility model relates to a steel pipe sleeve specifically is a steel pipe sleeve belongs to steel pipe technical field.

Background

Steel pipe having a hollow cross section with a length substantially greater than the diameter or circumference of the steel. The steel pipe is divided into round, square, rectangular and special-shaped steel pipes according to the cross section shape, carbon structural steel pipes, low alloy structural steel pipes, alloy steel pipes and composite steel pipes according to the material quality, steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, machine manufacturing, geological drilling, high pressure equipment and the like according to the application, seamless steel pipes and welded steel pipes according to the production process, wherein the seamless steel pipes are divided into hot rolling and cold rolling (drawing), the welded steel pipes are divided into straight seam welded steel pipes and spiral seam welded steel pipes, and steel pipe sleeves are named as steel pipe joints: the connecting piece is used for connecting the steel pipe and is provided with an internal thread corresponding to the thread of the screw head.

However, the traditional steel pipe connecting sleeve is a joint with the inner diameter equal to the diameter of the steel pipe, the screw threads on the inner wall can be in direct contact with sand and dust when the steel pipe sleeve is not used, the sand and the screw threads are abraded due to frequent installation and disassembly of the steel pipe, the steel pipe is loosened due to reuse, and the support and the safety operation on objects are affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a steel-pipe sleeve just lies in providing for solving above-mentioned problem, easy to assemble, protectiveness is good, do benefit to the safety of supporting and guaranteeing the operation.

The utility model realizes the above purpose by the following technical proposal, a steel pipe sleeve comprises a sleeve body and guide rings welded at the two ends of the sleeve body, wherein the side wall of the sleeve body is provided with a mounting mechanism for connecting the sleeve body with a steel pipe, the inside of the sleeve body is provided with a protection mechanism for protecting the screw teeth, the protection mechanism comprises a protection plate, a slide block, a slide groove, a pressure spring and a baffle plate, the baffle plate is welded inside the sleeve body, the pressure spring is welded at the two ends of the baffle plate, the protection plate is bonded at the opposite ends of the two pressure springs, the maximum diameter of the protection plate is equal to the minimum inner diameter of the sleeve body, the inner wall of the sleeve body is provided with four groups of the slide grooves at equal intervals relative to the baffle plate, and four slide blocks are welded on the side walls of the two protection plates, the four sliding blocks respectively slide in the four groups of sliding grooves.

Preferably, in order to facilitate the connection and the guiding of the steel pipe and the sleeve body, the connected steel pipe rapidly enters the sleeve body, the two guide rings are in a hollow circular truncated cone-shaped structure, and the maximum inner diameter of the two guide rings is larger than that of the sleeve body.

Preferably, when the handle is taken out from the interior of the mounting groove to be perpendicular to the sleeve body in order to loosen the fixing screw during mounting, the steel pipe and the sleeve body can be connected more conveniently and more laborsavingly by rotating the handle, and the steel pipe and the sleeve body can be conveniently stored when not in use, the mounting mechanism comprises a fixing column, a fixing screw, a handle, a mounting groove, a groove and a spring, the mounting groove is vertically arranged on the side wall of the sleeve body, the side wall of the sleeve body is vertically welded with the fixing column which is positioned in the mounting groove and is of a cylindrical structure, the surface of the fixed column is wound with the spring, the handle slides on the side wall of the fixed column, and the handle is clamped inside the mounting groove, the fixing screw is in threaded connection with the fixing column, and the side wall of the sleeve body is provided with the groove located on the side wall of the mounting groove.

Preferably, in order to realize that the handle connects the sleeve body with the steel pipe outside the fixing column, the length of the fixing column is greater than the depth of the mounting groove, and the thickness of the handle is less than the depth of the mounting groove.

Preferably, in order to realize being located the steel pipe at sleeve body both ends is connected more evenly, makes the atress even, avoids the atress inequality between steel pipe and the sleeve body, the baffle is disc structure, just the baffle weld in the half department of sleeve body inner wall.

The utility model has the advantages that: the utility model discloses the welding baffle of the inside center department of sleeve body, the both ends welding of baffle has the pressure spring, two pressure springs back of the body end welding have the guard plate with sleeve body sliding connection, the slider of guard plate lateral wall is contradicted with the tip of spout when not using, avoid the grit, the dust enters into the inside of sleeve body, the wire tooth wearing and tearing of steel pipe and sleeve body inner wall when having stopped reuse, influence the stability of steel pipe, be unfavorable for the installation operation, the steel pipe enters into the inside of sleeve body from the uide bushing when using, continue to rotate the steel pipe and has realized that the guard plate is contradicted, the pressure spring shrink, do not influence the installation of steel pipe, installation mechanism is installed to the lateral wall of sleeve body, make things convenient for the installation of steel.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the overall structure shown in FIG. 1;

FIG. 3 is a schematic view of the connection of the sleeve body, the protection plate, the fixing post and the handle shown in FIG. 1;

fig. 4 is an enlarged view of the structure of the part a shown in fig. 3.

In the figure: 1. the sleeve comprises a sleeve body, 2, a guide ring, 3, an installation mechanism, 31, a fixing column, 32, a fixing screw, 33, a handle, 34, an installation groove, 35, a groove, 36, a spring, 4, a protection mechanism, 41, a protection plate, 42, a sliding block, 43, a sliding groove, 44, a pressure spring, 45 and a partition plate.

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. 1-4, a steel pipe sleeve includes a sleeve body 1 and guide rings 2 welded at two ends of the sleeve body 1, wherein an installation mechanism 3 for connecting the sleeve body 1 with a steel pipe is installed on a side wall of the sleeve body 1, a protection mechanism 4 for protecting a thread is installed inside the sleeve body 1, the protection mechanism 4 includes a protection plate 41, a slider 42, a sliding groove 43, a compression spring 44 and a partition plate 45, the partition plate 45 is welded inside the sleeve body 1, the compression spring 44 is welded at two ends of the partition plate 45, the protection plate 41 is bonded at opposite ends of the two compression springs 44, a maximum diameter of the protection plate 41 is equal to a minimum inner diameter of the sleeve body 1, four sets of the sliding grooves 43 are symmetrically and equidistantly formed on an inner wall of the sleeve body 1 with respect to the partition plate 45, four sliding blocks 42 are welded on the side walls of the two protection plates 41, and the four sliding blocks 42 respectively slide in the four groups of sliding grooves 43.

As a technical optimization scheme of the utility model, two the guide ring 2 is cavity round platform shape structure, and two the biggest internal diameter of guide ring 2 is greater than the biggest internal diameter of sleeve body 1.

As a technical optimization scheme of the utility model, installation mechanism 3 includes fixed column 31, fixed screw 32, handle 33, mounting groove 34, recess 35 and spring 36, sleeve body 1's lateral wall has been seted up perpendicularly mounting groove 34, sleeve body 1's lateral wall vertical welding has and is located the inside cylindrical structure that is of mounting groove 34 fixed column 31, fixed column 31's surface winding spring 36, handle 33 slide in fixed column 31's lateral wall, just handle 33 block in mounting groove 34's inside, fixed screw 32 threaded connection in fixed column 31, sleeve body 1's lateral wall has been seted up and has been located mounting groove 34 lateral wall recess 35.

As a technical optimization scheme of the utility model, the length of fixed column 31 is greater than the degree of depth of mounting groove 34, just the thickness of handle 33 is less than the degree of depth of mounting groove 34.

As a technical optimization scheme of the utility model, baffle 45 is disc structure, just baffle 45 weld in the half department of 1 inner wall of sleeve body.

When the utility model is used, firstly, one of the steel pipes is aligned to one of the guide rings 2 in the process of steel pipe connection, the steel pipe is rotated to the inside of the sleeve body 1, the end part of the steel pipe is enabled to be abutted against one of the protection plates 41, the protection plate 41 is enabled to move towards the direction of the partition plate 45 by continuing to rotate the steel pipe, the slider 42 on the side wall of the protection plate 41 slides in the chute 43, the pressure spring 44 contracts, and four groups of the chutes 43 are arranged in the sleeve body 1 at equal intervals, so that the slider 42 slides, the connection between the steel pipe and the sleeve body 1 is not affected, when the steel pipe is connected to a certain position in the sleeve body 1 by screw thread, the other steel pipe is aligned to the other guide ring 2, the other steel pipe is rotated to realize the abutment between the protection plate 41 and the steel pipe, the steel pipe is continuously rotated, so that the protection plate 41 moves towards the direction of the partition plate 45, the compression spring 44 contracts, and the sliding block 42 moves inside the sliding groove 43; then, loosening the fixing screw 32, taking out the handle 33 in the mounting groove 34, rotating the handle 33 in the circumferential direction of the sleeve body 1, and holding one of the steel pipes with the other hand to fix the two steel pipes with the sleeve body 1 better; finally, when two steel pipes are in the inside of sleeve body 1 is dismantled the back pressure spring 44 expansion, further two guard plate 41 with the tip of spout 43 is contradicted, has avoided the dust grit to enter into the inside of sleeve body 1 avoids wearing and tearing screw tooth when using next time, and the protectiveness is good.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a steel pipe sleeve, includes sleeve body (1) and welding in guide ring (2) at sleeve body (1) both ends, its characterized in that: the steel pipe connecting sleeve is characterized in that a mounting mechanism (3) used for connecting the sleeve body (1) with a steel pipe is mounted on the side wall of the sleeve body (1), a protection mechanism (4) used for protecting a screw thread is mounted inside the sleeve body (1), the protection mechanism (4) comprises a protection plate (41), sliding blocks (42), sliding grooves (43), pressure springs (44) and a partition plate (45), the partition plate (45) is welded inside the sleeve body (1), the pressure springs (44) are welded at two ends of the partition plate (45), the protection plate (41) is bonded at the opposite ends of the two pressure springs (44), the maximum diameter of the protection plate (41) is equal to the minimum inner diameter of the sleeve body (1), four groups of the sliding grooves (43) are symmetrically arranged on the partition plate (45) at equal intervals on the inner wall of the sleeve body (1), and four sliding blocks (42) are welded on the side wall of the two protection plates (41, the four sliding blocks (42) respectively slide in the four groups of sliding grooves (43).

2. The steel pipe sleeve according to claim 1, characterized in that: the two guide rings (2) are of hollow round table-shaped structures, and the maximum inner diameter of the two guide rings (2) is larger than that of the sleeve body (1).

3. The steel pipe sleeve according to claim 1, characterized in that: the mounting mechanism (3) comprises a fixing column (31), a fixing screw (32), a handle (33), a mounting groove (34), a groove (35) and a spring (36), wherein the mounting groove (34) is vertically formed in the side wall of the sleeve body (1), the fixing column (31) which is in a cylindrical structure and is positioned in the mounting groove (34) is vertically welded to the side wall of the sleeve body (1), the surface of the fixing column (31) is wound on the spring (36), the handle (33) slides on the side wall of the fixing column (31), the handle (33) is clamped in the mounting groove (34), the fixing screw (32) is in threaded connection with the fixing column (31), and the groove (35) which is positioned in the side wall of the mounting groove (34) is formed in the side wall of the sleeve body (1).

4. The steel pipe sleeve according to claim 3, characterized in that: the length of the fixing column (31) is greater than the depth of the mounting groove (34), and the thickness of the handle (33) is less than the depth of the mounting groove (34).

5. The steel pipe sleeve according to claim 1, characterized in that: the partition plate (45) is of a disc-shaped structure, and the partition plate (45) is welded to one half of the inner wall of the sleeve body (1).