Protection assembly of precise seamless steel pipe

Abstract

The utility model relates to the technical field of seamless steel tubes, and discloses a precise seamless steel tube protection assembly which comprises a first connecting tube and a second connecting tube, the outer wall of the first connecting tube is fixedly connected with a first fixing block, and the outer wall of the second connecting tube is fixedly connected with a second fixing block. A first groove is formed in the top of the second fixing block, a first sealing ring is arranged in the first groove, a pressing block is fixedly connected to the bottom of the first fixing block, and the pressing block abuts against the first sealing ring. The joint of the first connecting pipe and the second connecting pipe can be sealed by arranging the first sealing ring, and the connecting gaps between the first connecting pipe and the seamless steel pipe and between the second connecting pipe and the seamless steel pipe can be sealed by arranging the second sealing ring, so that the seamless steel pipe is connected more stably, and the sealing effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of seamless steel pipes, in particular to a protection component for precision seamless steel pipes. Background Art

[0002] According to the production method, seamless pipes are divided into hot-rolled pipes, cold-rolled pipes, cold-drawn pipes, extruded pipes, jacking pipes, etc. According to the cross-sectional shape, seamless steel pipes are divided into round and special-shaped pipes. Special-shaped pipes have a variety of complex shapes such as square, oval, triangle, hexagon, melon seed, star, and finned pipes. The maximum diameter is 650mm and the minimum diameter is 0.3mm. According to different uses, there are thick-walled pipes and thin-walled pipes. Seamless steel pipes are mainly used as petroleum geological drilling pipes, cracking pipes for petrochemicals, boiler pipes, bearing pipes, and high-precision structural steel pipes for automobiles, tractors, and aviation.

[0003] According to a Chinese patent with the announcement number "CN208719614U", a protective component for a precision seamless steel pipe is disclosed, including a fixing plate, a side wall of one side of the fixing plate is provided with a first through hole, both side walls of the first through hole are provided with symmetrically arranged second through holes, an adjustment plate is slidably connected between both side walls of the second through hole, one end of the adjustment plate extends to the inside of the first through hole and an arc plate is welded thereto, an adjustment mechanism is arranged inside the second through hole, the adjustment mechanism includes a rotating shaft rotatably connected to the side wall of one side of the second through hole, a side wall of one side of the adjustment plate is provided with a third through hole, one end of the rotating shaft passes through the third through hole and extends to the outside of the second through hole and a rotating plate is welded thereto, and a side wall of the rotating plate away from the rotating shaft is connected to symmetrically arranged bolts. The utility model can fix the two steel pipes, reduce the looseness of the connection caused by vibration of the two steel pipes during transportation, improve practicality, and can re-seal the connection of the two steel pipes, thereby improving the sealing effect. When the above-mentioned patent is in use, the sealing ring adopts a semi-arc shape, and the two sealing rings cooperate with each other to perform sealing, but gaps are easily present at the connection of the two sealing rings, thereby affecting the sealing effect. Therefore, a protective component for a precision seamless steel pipe is proposed to solve the above-mentioned problems. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a protection component for a precision seamless steel pipe in view of the deficiencies in the above-mentioned prior art.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a protective component for a precision seamless steel pipe, comprising a first connecting pipe and a second connecting pipe, the outer wall of the first connecting pipe is fixedly connected to a first fixing block, the outer wall of the second connecting pipe is fixedly connected to a second fixing block, a first groove is provided on the top of the second fixing block, a first sealing ring is provided inside the first groove, a pressure block is fixedly connected to the bottom of the first fixing block, and the pressure block is in contact with the first sealing ring.

[0006] Preferably, a fixing bolt is provided on the first fixing block, and the fixing bolt movably passes through the first fixing block and the second fixing block. A nut is threadedly connected to the fixing bolt. The number of the fixing bolts and nuts is four, which are respectively arranged at the four corners of the first fixing block. The fixing bolts and nuts are provided to facilitate the connection between the first fixing block and the second fixing block.

[0007] Preferably, the inner walls of the first connecting tube and the second connecting tube are provided with a second groove, the inner wall of the second groove is rotatably connected to a rotating shaft, the outer wall of the rotating shaft is fixedly sleeved with a rotating plate, the first connecting tube and the second connecting tube are provided with a locking bolt, the locking bolt thread passes through the first connecting tube and the second connecting tube and contacts with the rotating plate, the inner wall of the second groove is fixedly connected to a spring, and one end of the spring is fixedly connected to the rotating plate.

[0008] Preferably, the number of the second grooves on the first connecting tube and the second connecting tube are both four, and they are arranged around the inner walls of the first connecting tube and the second connecting tube. The purpose of providing multiple second grooves is to improve the connection stability of the seamless steel pipe.

[0009] Preferably, a third groove is formed at one end of the first connecting tube and the second connecting tube, an inner wall of the third groove is provided with an internal thread, the third groove is threadedly connected to an annular tube via the internal thread, and a second sealing ring is provided on the inner wall of the annular tube.

[0010] Preferably, a turning handle is fixedly connected to the annular tube, and the turning handle is provided to facilitate the rotation of the annular tube.

[0011] The utility model adopts the above technical solution, which can bring the following beneficial effects:

[0012] 1. This kind of precision seamless steel pipe protection component can seal the connection between the first connecting pipe and the second connecting pipe by setting a first sealing ring, and can seal the connection gap between the first connecting pipe, the second connecting pipe and the seamless steel pipe by setting a second sealing ring, so that the seamless steel pipe connection is more stable and the sealing effect is better.

[0013] 2. The protective component of the precision seamless steel pipe can clamp and fix the outer wall of the seamless steel pipe by arranging locking bolts and a rotating plate, thereby improving the connection stability of the seamless steel pipe. By arranging a spring, the rotating plate can be reset, thereby facilitating disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a front sectional view of the utility model;

[0016] Figure 3 This is an enlarged view of point A of the utility model;

[0017] Figure 4 It is an enlarged view of point B of the present utility model.

[0018] In the figure: 1. first connecting pipe; 2. second connecting pipe; 3. first fixing block; 4. second fixing block; 5. first groove; 6. first sealing ring; 7. pressure block; 8. fixing bolt; 9. nut; 10. second groove; 11. rotating shaft; 12. rotating plate; 13. locking bolt; 14. spring; 15. third groove; 16. annular tube; 17. second sealing ring; 18. turning handle. DETAILED DESCRIPTION

[0019] 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.

[0020] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "setting" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0023] See also Figure 1-4One embodiment of the utility model is: a protection component for a precision seamless steel pipe, comprising a first connecting pipe 1 and a second connecting pipe 2, the outer wall of the first connecting pipe 1 is fixedly connected with a first fixing block 3, the outer wall of the second connecting pipe 2 is fixedly connected with a second fixing block 4, the top of the second fixing block 4 is provided with a first groove 5, the interior of the first groove 5 is provided with a first sealing ring 6, the bottom of the first fixing block 3 is fixedly connected with a pressing block 7, and the pressing block 7 is in conflict with the first sealing ring 6, the first fixing block 3 is provided with a fixing bolt 8, the fixing bolt 8 movably passes through the first fixing block 3 and the second fixing block 4, and the fixing bolt 8 is screwed The first connecting tube 1 and the second connecting tube 2 are connected with a nut 9, and the number of fixing bolts 8 and nuts 9 is four, which are respectively arranged at the four corners of the first fixing block 3. The fixing bolts 8 and nuts 9 are arranged to facilitate the connection between the first fixing block 3 and the second fixing block 4. A third groove 15 is provided at one end of the first connecting tube 1 and the second connecting tube 2. The inner wall of the third groove 15 is provided with an internal thread. The third groove 15 is threadedly connected to an annular tube 16 through the internal thread. The inner wall of the annular tube 16 is provided with a second sealing ring 17. A turning handle 18 is fixedly connected to the annular tube 16. The turning handle 18 is provided to facilitate the rotation of the annular tube 16.

[0024] Working principle: The first connecting pipe 1 and the second connecting pipe 2 are respectively sleeved on the two seamless steel pipes to be connected, and the first fixing block 3 and the second fixing block 4 are fixed by fixing bolts 8 and nuts 9. The connection between the first connecting pipe 1 and the second connecting pipe 2 is sealed by the first sealing ring 6. At the same time, the pressing block 7 will squeeze the first sealing ring 6 to ensure that the first sealing ring 6 is more compactly connected, thereby improving the sealing effect. By turning the turning handle 18, the annular tube 16 is fixed to the inside of the third groove 15, so that the first connecting pipe 1 and one end of the second connecting pipe 2 are sealed by the second sealing ring 17, further improving the sealing effect.

[0025] See also Figure 1-4 On the basis of the above embodiments, in another embodiment of the utility model, a second groove 10 is opened on the inner wall of the first connecting tube 1 and the second connecting tube 2, and a rotating shaft 11 is rotatably connected to the inner wall of the second groove 10. A rotating plate 12 is fixedly sleeved on the outer wall of the rotating shaft 11. A locking bolt 13 is arranged on the first connecting tube 1 and the second connecting tube 2. The locking bolt 13 threadably penetrates the first connecting tube 1 and the second connecting tube 2 and contacts the rotating plate 12. A spring 14 is fixedly connected to the inner wall of the second groove 10, and one end of the spring 14 is fixedly connected to the rotating plate 12. There are four second grooves 10 on the first connecting tube 1 and the second connecting tube 2, and they are arranged around the inner walls of the first connecting tube 1 and the second connecting tube 2. The purpose of providing a plurality of second grooves 10 is to improve the connection stability of the seamless steel pipe.

[0026] Working principle: When the seamless steel pipe is inserted into the first connecting pipe 1 and the second connecting pipe 2, one end of the rotating plate 12 is driven to rotate by rotating the locking bolt 13, so that one end of the rotating plate 12 contacts the outer wall of the seamless steel pipe, thereby making the seamless steel pipe connection more stable. When disassembly is required, reverse the locking bolt 13, and the rotating plate 12 is reset under the action of the spring 14, and the seamless steel pipe can be pulled out. The operation is simple.

[0027] The utility model provides a protection component for a precision seamless steel pipe. There are many methods and ways to implement the technical solution. The above is only a preferred implementation of the utility model. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model. These improvements and modifications should also be regarded as the protection scope of the utility model. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A protection assembly for a precision seamless steel pipe, comprising a first connecting pipe (1) and a second connecting pipe (2), characterized in that: The outer wall of the first connecting tube (1) is fixedly connected to a first fixing block (3), the outer wall of the second connecting tube (2) is fixedly connected to a second fixing block (4), the top of the second fixing block (4) is provided with a first groove (5), the interior of the first groove (5) is provided with a first sealing ring (6), the bottom of the first fixing block (3) is fixedly connected to a pressing block (7), and the pressing block (7) is in contact with the first sealing ring (6).

2. The protection assembly for a precision seamless steel pipe according to claim 1, characterized in that: The first fixing block (3) is provided with a fixing bolt (8), the fixing bolt (8) movably passes through the first fixing block (3) and the second fixing block (4), a nut (9) is threadedly connected to the fixing bolt (8), and the number of the fixing bolts (8) and nuts (9) is four, which are respectively arranged at the four corners of the first fixing block (3).

3. The protection assembly for a precision seamless steel pipe according to claim 1, characterized in that: The inner walls of the first connecting tube (1) and the second connecting tube (2) are provided with a second groove (10), the inner wall of the second groove (10) is rotatably connected to a rotating shaft (11), the outer wall of the rotating shaft (11) is fixedly sleeved with a rotating plate (12), the first connecting tube (1) and the second connecting tube (2) are provided with a locking bolt (13), the locking bolt (13) is threadedly passed through the first connecting tube (1) and the second connecting tube (2) and is in contact with the rotating plate (12), the inner wall of the second groove (10) is fixedly connected to a spring (14), and one end of the spring (14) is fixedly connected to the rotating plate (12).

4. The protection assembly for a precision seamless steel pipe according to claim 3, characterized in that: The number of the second grooves (10) on the first connecting tube (1) and the second connecting tube (2) is four, and they are arranged around the inner walls of the first connecting tube (1) and the second connecting tube (2).

5. The protection assembly for a precision seamless steel pipe according to claim 1, characterized in that: A third groove (15) is formed at one end of the first connecting tube (1) and the second connecting tube (2); an inner wall of the third groove (15) is provided with an internal thread; the third groove (15) is threadedly connected to an annular tube (16) via the internal thread; and a second sealing ring (17) is provided on the inner wall of the annular tube (16).

6. The protection assembly for a precision seamless steel pipe according to claim 5, characterized in that: A turning handle (18) is fixedly connected to the annular tube (16).

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