Seamless steel tube capable of preventing falling

Abstract

The utility model discloses an anti-drop seamless steel pipe, which comprises a steel pipe body and a sleeve, two ends of the steel pipe body are respectively provided with a connecting section, a sealing ring is sleeved on each connecting section, two sides of the other end of each connecting section are respectively provided with a clamping groove, the connecting sections are inserted into the sleeve, and the sleeves are sleeved with sealing rings. The two sides of the sleeve are each provided with two operation holes, pressing assemblies are installed in the operation holes in a screwed mode, a baffle is arranged above the pressing assemblies, installation holes are formed in the upper end and the lower end of the connecting section in the steel pipe body, and pressing bolts are placed in the installation holes in a screwed mode. The steel pipe connecting device is simple in structure and convenient to install, the clamping grooves are formed in the two ends of the seamless steel pipe, the sleeves are arranged at the connecting positions of the steel pipes in a sleeved mode, and limiting connection is conducted through the pressing assemblies, so that the connecting stability of the steel pipes can be guaranteed, meanwhile, bolts can be prevented from loosening, and potential safety hazards of the steel pipes are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe connection, in particular to a seamless steel pipe which can prevent falling off. Background Art

[0002] High-pressure boilers require seamless steel pipes during use, and seamless steel pipes are a type of boiler pipe, which has strict requirements on the type of steel and process used to manufacture steel pipes. At present, the structure of seamless steel pipes for high-pressure boilers is usually a steel pipe body and flange rings fixed at both ends of the steel pipe body. There are several flange holes distributed on the flange rings. The connection process of the two steel pipe bodies is: first align the flange holes on the two seamless steel pipes, then pass the bolt assembly through the flange holes on the two aligned seamless steel pipes in turn, and then tighten the bolt assembly to fix the two seamless steel pipes. However, when the existing seamless steel pipes are docked, it is necessary to rotate the steel pipe body to align the flange hole on it with the flange hole on the other steel pipe body, which is time-consuming and labor-intensive, and the construction efficiency is low. Moreover, when affected by external factors and vibrations such as shaking occur, the bolt assembly is prone to loosening. In severe cases, gaps will appear at the connection, causing safety hazards such as leakage. Utility Model Content

[0003] The utility model aims to provide a seamless steel pipe which can prevent falling off, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a seamless steel pipe that prevents falling off, comprising a steel pipe body and a sleeve, connecting sections are provided at both ends of the steel pipe body, wherein the connecting section is covered with a sealing ring, and the other end of the connecting section is provided with card grooves on both sides, and the connecting section is inserted into the sleeve, and two operating holes are provided on both sides of the sleeve, and a clamping assembly is screwed and installed in the operating hole, and a baffle is provided above the clamping assembly, and installation holes are provided at the upper and lower ends of the connecting section in the steel pipe body, and clamping bolts are screwed and placed in the installation holes.

[0005] Preferably, the clamping assembly is composed of a clamping block, an adjusting rod and a No. 1 spring, wherein the clamping block is a trapezoidal metal block structure, and the outer wall of the clamping block is slidably placed in the movable groove.

[0006] Preferably, the movable groove is formed in the inner wall of the sleeve, and the adjusting rod is a threaded rod structure, and one end of the adjusting rod passes through the sleeve and is movably connected to the back of the clamping block.

[0007] Preferably, the adjusting rod is screwed onto the sleeve via a thread, wherein the No. 1 spring is sleeved onto the adjusting rod, one end of the No. 1 spring is attached to the back of the block, and the other end is attached to the inner wall of the movable groove.

[0008] Preferably, a protrusion is fixedly installed at the bottom of the baffle, a No. 2 spring is sleeved on the protrusion, and the other end of the No. 2 spring is fixedly installed in the storage groove, and a toggle groove is opened on the surface of the baffle.

[0009] Preferably, the receiving grooves are respectively opened in the inner walls at both ends of the operating hole, wherein the baffle is slidably installed in the receiving grooves, and a gasket is placed between the bottom of the baffle and the top of the adjusting rod.

[0010] Preferably, one end of the clamping bolt is screwed onto the sleeve via a thread, and is passed through the sleeve and clamped into the mounting hole, and the clamping bolts screwed onto the upper and lower ends of the sleeve are arranged as a reverse thread structure.

[0011] Preferably, the sealing ring is a sealing gasket made of rubber material, and the sealing ring is fitted and connected to the sleeve in a tightly fitting manner.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model provides connecting sections at both ends of a steel pipe body, and the connecting sections are provided with mounting holes and card slots, and are covered with sealing rings, wherein the connecting sections are inserted into a sleeve, thereby ensuring the tightness of the connection, and simultaneously a clamping assembly is provided in the sleeve, and the card block is driven to move in the movable groove by the rotation of an adjusting rod, thereby the card block is embedded and connected in the card slot, thereby ensuring that the steel pipe body is stably connected in the sleeve, and a baffle is movably provided above the adjusting rod, wherein the baffle is telescopically moved in the movable groove, and a gasket is fitly placed between the baffle and the adjusting rod, thereby enabling the baffle to clamp and fix the adjusting rod, preventing the adjusting rod from loosening, further ensuring the connection stability and sealing of the steel pipe body, and preventing the steel pipe from shaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a side view of the steel pipe body of the utility model;

[0015] Figure 2 It is a front cross-sectional view of the steel pipe body of the utility model;

[0016] Figure 3 It is a side sectional view of the sleeve of the utility model;

[0017] Figure 4 This is a schematic diagram of the connection between the steel pipe body and the sleeve of the utility model;

[0018] Figure 5 It is a side view of the sleeve of the utility model;

[0019] Figure 6It is a schematic diagram of the overall structure of the adjustment component of the utility model;

[0020] Figure 7 It is a top view of the baffle of the utility model.

[0021] In the figure: 1. Steel pipe body; 2. Sleeve; 21. Operating hole; 3. Sealing ring; 4. Card slot; 5. Clamping assembly; 51. Block; 52. Adjusting rod; 53. Movable slot; 54. No. 1 spring; 6. Baffle; 61. Toggle groove; 62. Gasket; 7. Mounting hole; 8. Clamping bolt; 9. No. 2 spring; 10. Storage slot. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-7 The utility model provides a technical solution: a seamless steel pipe that prevents falling off, including a steel pipe body 1 and a sleeve 2. Both ends of the steel pipe body 1 are provided with connecting sections, wherein a sealing ring 3 is sleeved on the connecting section, wherein the sealing ring 3 is a sealing gasket made of rubber material, and the sealing ring 3 is fitted and connected to the sleeve 2, and is tightly fitted and connected, so that the connection between the steel pipe body 1 and the sleeve 2 can be made tight.

[0024] The other end of the connecting section is provided with card slots 4 on both sides, and the connecting section is inserted and placed in the sleeve 2. Two operating holes 21 are provided on both sides of the sleeve 2. A clamping assembly 5 is screwed and installed in the operating hole 21, wherein the clamping assembly 5 is composed of a card block 51, an adjusting rod 52 and a No. 1 spring 54, wherein the card block 51 is a trapezoidal metal block structure, and the outer wall of the card block 51 is slidably placed in the movable groove 53, and the movable groove 53 is provided in the inner wall of the sleeve 2, and the adjusting rod 52 is a threaded rod structure, one end of the adjusting rod 52 passes through the sleeve 2 and is movably connected to the back of the card block 51, and the adjusting rod 52 is screwed and connected to the sleeve 2 by threads, wherein the No. 1 spring 54 is sleeved on the adjusting rod 52, and at the same time, one end of the No. 1 spring 54 is attached to the back of the card block 51, and the other end is attached to the inner wall of the movable groove 53, so that the adjusting rod 52 can be used to drive the card block 51 to move in the movable groove 53, and embedded in the card slot 4 to ensure the connection stability of the steel pipe body 1.

[0025] A baffle plate 6 is arranged above the clamping assembly 5, wherein a protrusion is fixedly installed at the bottom of the baffle plate 6, a No. 2 spring 9 is sleeved on the protrusion, and the other end of the No. 2 spring 9 is fixedly installed in the storage groove 10, and a toggle groove 61 is opened on the surface of the baffle plate 6, which is convenient for using the toggle groove 61 to push the baffle plate 6 to move telescopically in the storage groove 10, and the storage grooves 10 are respectively opened in the inner walls at both ends of the operating hole 21, wherein the baffle plate 6 is slidably installed in the storage groove 10, and a gasket 62 is placed between the bottom of the baffle plate 6 and the top of the adjusting rod 52, which is convenient for storing and using the baffle plate 6, so that the adjusting rod 52 can be twisted for use.

[0026] Mounting holes 7 are provided at both upper and lower ends of the connecting section in the steel pipe body 1, and clamping bolts 8 are screwed into the mounting holes 7, wherein one end of the clamping bolts 8 are screwed and connected to the sleeve 2 through threads, and pass through the sleeve 2 and are clamped and connected in the mounting holes 7, and the clamping bolts 8 screwed at the upper and lower ends of the sleeve 2 are arranged as reverse thread structures, so that the clamping bolts 8 can be used to clamp and connect to the steel pipe body 1 to prevent the steel pipe body 1 from loosening.

[0027] Working principle: When the utility model is in use, a sealing ring 3 is put on one end of the steel pipe body 1 to be installed, and the steel pipe body 1 is inserted into the sleeve 2. At this time, the baffle 6 is opened by turning the groove 61, and the adjusting rod 52 is turned by a screwdriver to rotate, thereby pushing the block 51 to move in the movable groove 53, and further embedded in the card groove 4 to stabilize the steel pipe body 1. At this time, a gasket 62 is placed on the top of the adjusting rod 52 and the baffle 6 is closed, so that the baffle 6 can be used to press and fix the adjusting rod 52 to prevent the adjusting rod 52 from loosening and causing the block 51 to be loosely connected. At the same time, one end of the clamping bolt 8 is screwed through the sleeve 2 and placed in the mounting hole 7. At the same time, the mounting hole 7 is arranged at the upper and lower ends of the steel pipe body 1, which further increases the stability of the connection. The operation is simple, and the connection of the steel pipe body 1 is more stable.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A seamless steel pipe for preventing falling off, comprising a steel pipe body (1) and a sleeve (2), characterized in that: Both ends of the steel pipe body (1) are provided with connecting sections, wherein a sealing ring (3) is sleeved on the connecting section, and slots (4) are provided on both sides of the other end of the connecting section. The connecting section is inserted into the sleeve (2), and two operating holes (21) are provided on both sides of the sleeve (2). A clamping assembly (5) is screwed and installed in the operating hole (21), and a baffle (6) is provided above the clamping assembly (5). The upper and lower ends of the connecting section in the steel pipe body (1) are provided with mounting holes (7), and a clamping bolt (8) is screwed and placed in the mounting hole (7).

2. The seamless steel pipe for preventing falling off according to claim 1, characterized in that: The clamping assembly (5) is composed of a clamping block (51), an adjusting rod (52) and a No. 1 spring (54), wherein the clamping block (51) is a trapezoidal metal block structure, and the outer wall of the clamping block (51) is slidably placed in a movable groove (53).

3. The seamless steel pipe for preventing falling off according to claim 2, characterized in that: The movable groove (53) is formed in the inner wall of the sleeve (2), and the adjusting rod (52) is a threaded rod structure. One end of the adjusting rod (52) passes through the sleeve (2) and is movably connected to the back of the clamping block (51).

4. The seamless steel pipe for preventing falling off according to claim 3, characterized in that: The adjusting rod (52) is screwed onto the sleeve (2) via a thread, wherein the No. 1 spring (54) is sleeved onto the adjusting rod (52), one end of the No. 1 spring (54) is attached to the back of the clamping block (51), and the other end is attached to the inner wall of the movable groove (53).

5. The seamless steel pipe for preventing falling off according to claim 4, characterized in that: A protrusion is fixedly mounted on the bottom of the baffle (6), a No. 2 spring (9) is sleeved on the protrusion, and the other end of the No. 2 spring (9) is fixedly mounted in the receiving groove (10), and a toggle groove (61) is provided on the surface of the baffle (6).

6. The seamless steel pipe for preventing from falling off according to claim 5, characterized in that: The receiving grooves (10) are respectively formed in the inner walls at both ends of the operating hole (21), wherein the baffle plate (6) is slidably mounted in the receiving groove (10), and a gasket (62) is placed between the bottom of the baffle plate (6) and the top of the adjusting rod (52).

7. The seamless steel pipe for preventing falling off according to claim 1, characterized in that: One end of the clamping bolt (8) is screwed onto the sleeve (2) through a thread, and passes through the sleeve (2) to be clamped and connected in the mounting hole (7), and the clamping bolts (8) screwed on the upper and lower ends of the sleeve (2) are arranged as a reverse thread structure.

8. The seamless steel pipe for preventing falling off according to claim 1, characterized in that: The sealing ring (3) is a sealing pad made of rubber material, and the sealing ring (3) is fitted and connected to the sleeve (2) in a tightly fitted manner.

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