Precise seamless tube convenient to connect

Abstract

According to the technical scheme, the precise seamless tube convenient to connect comprises a main body and a locking block, a butt joint base is arranged at one end of the main body, a socket is arranged at the end, away from the butt joint base, of the main body, control boxes are installed at the top and the bottom of the butt joint base, and moving columns are installed in the control boxes; a locking block is installed at the tail end of the moving column and located in the socket, a rotating shaft is installed at the top in the control box through a bearing, a worm gear is installed on the outer surface of the rotating shaft, a movable shaft is installed on one side of the control box, an inclined supporting face is arranged on the side, close to the butt joint base, of the inner surface of the main body, and a sealing gasket is installed on one side of the inclined supporting face. According to the precise seamless pipe convenient to connect, the problems that existing seamless steel pipes are connected in a joint mode, pipeline joints are tedious to install, the pipeline butt joint efficiency is reduced, and the use and construction efficiency is poor are solved, the butt joint use efficiency of the steel pipes is improved, and therefore the use and construction efficiency of the seamless steel pipes is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of seamless steel pipe production, in particular to a precision seamless pipe that is easy to connect. Background Art

[0002] Seamless steel pipe is a steel pipe with seamless structure, which is characterized by smooth inner and outer walls, precise dimensions, and the ability to withstand high pressure and high temperature conditions. Seamless steel pipes are widely used in many industries and fields. In the oil and gas industry, seamless steel pipes are used to transport oil and gas, including oil well pipes, oil pipes and natural gas pipelines. In the chemical industry, they are used to transport various chemicals. Seamless steel pipes are also used in power plants, nuclear power plants, shipbuilding, automobile manufacturing, aerospace and other fields.

[0003] Most of the existing seamless steel pipes are connected by joints. The installation of pipe joints is cumbersome, resulting in reduced pipe docking efficiency and poor construction efficiency. Therefore, we propose a precision seamless pipe that is easy to connect. Utility Model Content

[0004] The purpose of the utility model is to provide a precision seamless pipe that is easy to connect and has the effect of quickly connecting pipes, solving the problem that existing seamless steel pipes are mostly connected by joints, the installation of pipe joints is cumbersome, resulting in reduced pipe connection efficiency and poor construction efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a precision seamless tube that is easy to connect, comprising a main body and a locking block, wherein a docking seat is provided at one end of the main body, and a socket is provided at the end of the main body away from the docking seat, control boxes are installed on the top and bottom of the docking seat, a movable column is installed inside the control box, a locking block is installed at the end of the movable column located inside the socket, a rotating shaft is installed on the top of the control box through a bearing, a worm gear is installed on the outer surface of the rotating shaft, and a movable shaft is installed on one side of the control box.

[0006] Preferably, locking grooves are provided at the top and bottom of the main body close to one side of the socket, and the locking block can be snapped into the locking grooves.

[0007] Preferably, a worm is installed at the end of the movable shaft on the outer surface of the worm wheel, and the worm is meshed with the worm wheel.

[0008] Preferably, a movable groove is provided inside the docking seat at the position of the locking block, and the locking block is arranged inside the movable groove.

[0009] Preferably, an inner surface of the main body is provided with an inclined support surface on one side close to the docking seat, a sealing gasket is installed on one side of the inclined support surface, and an inclined support platform is provided on one side of the main body close to the socket, and the inclined support surface and the inclined support platform are matched.

[0010] Preferably, a buckle groove is provided inside the main body near the diagonal support surface, a buckle is installed inside the buckle groove through a positioning axis, a spring A is installed at the gap between the buckle groove and the buckle, and a buckle groove is provided on the outer surface of the socket, and the buckle can be snapped into the buckle groove.

[0011] Preferably, a sealing ring is installed on one side of the inner surface of the main body close to the buckle groove through a sealing groove.

[0012] Preferably, an extrusion rod is movably installed inside the main body near one side of the buckle groove, a spring groove is provided inside the main body in the middle of the extrusion rod, and a spring B is installed inside the spring groove near the outer surface of the extrusion rod through a spring seat.

[0013] Preferably, the rotating shaft is sleeved inside the moving column, and the rotating shaft and the moving column are screwed together via a thread.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model achieves the effect of facilitating quick docking of pipes by arranging a docking seat, a socket, a locking block and a locking groove, so as to solve the problem that the existing seamless steel pipes are mostly connected by joints, the installation of pipe joints is cumbersome, resulting in reduced pipe docking efficiency and poor use and construction efficiency, thereby improving the use efficiency of steel pipe docking, thereby ensuring the use and construction efficiency of seamless steel pipes.

[0016] 2. The utility model achieves the effect of locking the connection mechanism by arranging a rotating shaft, a worm gear and a worm, so as to solve the problem that after the existing seamless steel pipe is connected, the fixing mechanism of the seamless steel pipe has no self-locking function, and the fixing mechanism is easy to loosen after long-term use, affecting the normal use of the seamless steel pipe. The locking effect of the seamless steel pipe is improved, thereby ensuring the normal use of the seamless steel pipe.

[0017] 3. The utility model achieves the effect of efficient sealing of the joints by arranging sealing rings and sealing pads, so as to solve the problem that the sealing performance of the joints of the existing seamless steel pipes is low and the fluid is prone to leakage when they are butt-jointed, thereby improving the connection sealing performance of the seamless steel pipes and ensuring the normal use of the seamless steel pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0019] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0020] Figure 3 for Figure 2 The enlarged structural diagram of A;

[0021] Figure 4 for Figure 2 Schematic diagram of the enlarged structure of B.

[0022] Figure numerals: 1. main body; 2. control box; 3. docking seat; 4. locking groove; 5. diagonal support platform; 6. socket; 7. card slot; 8. diagonal support surface; 9. sealing gasket; 10. sealing groove; 11. sealing ring; 12. extrusion rod; 13. buckle groove; 14. positioning shaft; 15. spring A; 16. buckle; 17. spring groove; 18. spring B; 19. worm gear; 20. worm; 21. rotating shaft; 22. movable shaft; 23. moving column; 24. moving groove; 25. locking block. DETAILED DESCRIPTION

[0023] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0024] Embodiment 1

[0025] like Figure 1 , Figure 2 and Figure 4 As shown, in order to achieve the above purpose, the utility model provides the following technical solutions: a precision seamless pipe that is easy to connect, including a main body 1 and a locking block 25, a docking seat 3 is provided at one end of the main body 1, a socket 6 is provided at the end of the main body 1 away from the docking seat 3, a control box 2 is installed at the top and bottom of the docking seat 3, a moving column 23 is installed inside the control box 2, and a locking block 25 is installed at the end of the moving column 23 located inside the socket 6, a rotating shaft 21 is installed at the top of the control box 2 through a bearing, and the rotating shaft 21 is sleeved inside the moving column 23, and the moving column 23 is driven to move by the rotating shaft 21, so that the locking block 25 is stuck in the locking groove 4 The rotating shaft 21 is connected with the movable column 23 by threaded engagement, a worm gear 19 is installed on the outer surface of the rotating shaft 21, a movable shaft 22 is installed on one side of the control box 2, and the end of the movable shaft 22 is located on the outer surface of the worm gear 19 and a worm 20 is installed. The worm 20 is meshed with the worm gear 19. The rotating shaft 21 is locked by the worm 20 and the worm gear 19, so as to prevent the locking block 25 from falling off. Locking grooves 4 are provided on the top and bottom of the main body 1 near the socket 6. The locking block 25 can be clamped in the locking groove 4. A movable groove 24 is provided inside the docking seat 3 at the position of the locking block 25, and the locking block 25 is arranged inside the movable groove 24.

[0026] like Figure 2 As shown, a diagonal support surface 8 is provided on the inner surface of the main body 1 near the docking seat 3, and a sealing gasket 9 is installed on one side of the diagonal support surface 8. The connection is initially sealed by the set sealing gasket 9, and a diagonal support platform 5 is provided on the side of the main body 1 near the socket 6. The diagonal support surface 8 and the diagonal support platform 5 are matched. A sealing ring 11 is installed on the inner surface of the main body 1 near the buckle groove 13 through the sealing groove 10, and the connection is sealed again by the set sealing ring 11.

[0027] The working principle of a precision seamless pipe that is easy to connect based on Example 1 is: after the utility model is installed, when the two main bodies 1 are docked, the socket 6 on one side of the main body 1 is inserted into the docking seat 3 of the other main body 1, and then the movable shaft 22 is rotated, and the worm 20 is driven to rotate through the movable shaft 22, and the worm gear 19 is driven to rotate through the worm 20, and the rotating shaft 21 is driven to rotate through the worm gear 19, and the movable column 23 is driven to move through the rotating shaft 21, and the locking block 25 is driven downward by the movable column 23, so that the locking block 25 is stuck in the locking groove 4, thereby completing the docking and fixation of the main body 1. At this point, the working process of this equipment is completed.

[0028] Embodiment 2

[0029] like Figure 2 and Figure 3 As shown, the utility model proposes a precision seamless tube that is easy to connect. Compared with the first embodiment, this embodiment also includes: a buckle groove 13 is provided inside the main body 1 near the diagonal support surface 8, a buckle 16 is installed inside the buckle groove 13 through a positioning shaft 14, a spring A15 is installed at the gap between the buckle groove 13 and the buckle 16, a buckle groove 7 is provided on the outer surface of the socket 6, the buckle 16 can be snapped into the inside of the buckle groove 7, an extrusion rod 12 is movably installed inside the main body 1 near the buckle groove 13, a spring groove 17 is provided inside the main body 1 in the middle of the extrusion rod 12, and a spring B18 is installed inside the spring groove 17 near the outer surface of the extrusion rod 12 through a spring seat.

[0030] In this embodiment, when two main bodies 1 are docked, the socket 6 on one side of the main body 1 is inserted into the docking seat 3 of the other main body 1, the squeezing rod 12 is squeezed by the main body 1, and the buckle 16 is squeezed by the squeezing rod 12, so that the buckle 16 is flipped and the buckle 16 is snapped into the slot 7 of the main body 1, thereby docking the two main bodies 1.

[0031] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A precision seamless pipe that is easy to connect, comprising a main body (1) and a locking block (25), characterized in that: A docking seat (3) is provided at one end of the main body (1), and a socket (6) is provided at one end of the main body (1) away from the docking seat (3). A control box (2) is installed at the top and bottom of the docking seat (3). A movable column (23) is installed inside the control box (2). A locking block (25) is installed at the end of the movable column (23) located inside the socket (6). A rotating shaft (21) is installed at the top of the control box (2) through a bearing. A worm gear (19) is installed on the outer surface of the rotating shaft (21). A movable shaft (22) is installed on one side of the control box (2).

2. The precision seamless pipe that is easy to connect according to claim 1 is characterized in that: The top and bottom of the main body (1) are provided with locking grooves (4) close to the socket (6), and the locking block (25) can be snapped into the locking grooves (4).

3. The precision seamless pipe that is easy to connect according to claim 1 is characterized in that: The end of the movable shaft (22) is located on the outer surface of the worm wheel (19) and is provided with a worm (20), and the worm (20) is meshed with the worm wheel (19).

4. The precision seamless pipe that is easy to connect according to claim 2 is characterized in that: A movable groove (24) is provided inside the docking seat (3) at the position of the locking block (25), and the locking block (25) is arranged inside the movable groove (24).

5. The precision seamless pipe that is easy to connect according to claim 1 is characterized in that: The inner surface of the main body (1) is provided with an inclined support surface (8) on one side close to the docking seat (3), a sealing gasket (9) is installed on one side of the inclined support surface (8), and the main body (1) is provided with an inclined support platform (5) on one side close to the socket (6), and the inclined support surface (8) and the inclined support platform (5) are matched.

6. The precision seamless pipe that is easy to connect according to claim 5, characterized in that: A buckle groove (13) is provided inside the main body (1) on one side close to the diagonal support surface (8), a buckle (16) is installed inside the buckle groove (13) via a positioning shaft (14), a spring A (15) is installed at a gap between the buckle groove (13) and the buckle (16), a buckle groove (7) is provided on the outer surface of the socket (6), and the buckle (16) can be buckled inside the buckle groove (7).

7. The precision seamless pipe that is easy to connect according to claim 1 is characterized in that: A sealing ring (11) is installed on one side of the inner surface of the main body (1) close to the buckle groove (13) through a sealing groove (10).

8. The precision seamless pipe that is easy to connect according to claim 1 is characterized in that: An extrusion rod (12) is movably mounted on one side of the main body (1) near the buckle groove (13), a spring groove (17) is provided in the middle of the extrusion rod (12) inside the main body (1), and a spring B (18) is mounted inside the spring groove (17) near the outer surface of the extrusion rod (12) via a spring seat.

9. The precision seamless pipe that is easy to connect according to claim 1 is characterized in that: The rotating shaft (21) is sleeved inside the moving column (23), and the rotating shaft (21) and the moving column (23) are screwed together via a thread.

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