High-sealing steam rotating joint

Abstract

The utility model relates to the technical field of rotary joints, in particular to a high-sealing steam rotary joint which comprises a fixed joint, and a fixed shell is fixedly arranged at one end of the fixed joint. Through the arrangement of the convex block and the first sealing gasket, the convex block is located in the groove formed in the fixing block in the using process, the first sealing gasket is tightly attached to the convex block and the groove, and therefore the sealing performance of the connecting position of the fixing shell and the fixing connector is improved; through arrangement of a first sealing ring and a second sealing ring, the first sealing ring is located on the surface of the rotating joint and tightly attached to one end of the fixed shell during use, the first sealing ring is tightly attached to one end of the fixed shell, and therefore the sealing performance of the rotating joint and the fixed shell is improved. The second sealing ring is located on the surface of the rotating shell and tightly attached to one side in the fixed shell, and therefore the effect that internal steam is prevented from leaking from the connecting position of the rotating connector and the fixed shell in the rotating process is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary joints, in particular to a high-seal steam rotary joint. Background Art

[0002] A rotary joint is a device used to connect two or more parts and allow them to transfer liquid, gas or electricity while rotating. It is widely used in various industrial fields such as machinery manufacturing, automobile manufacturing, petrochemical industry, aerospace, etc.

[0003] However, the traditional steam rotary joint lacks sealing function, and the rotating part is prone to energy loss and potential safety risks due to steam leakage during use. Not only that, the traditional steam rotary joint also lacks the function of adding lubricant to the inside. When the rotary joint is used for too long, it is easy to accelerate the degree of internal wear, resulting in a shortened service life of the overall rotary joint. Utility Model Content

[0004] The utility model aims to provide a high-seal steam rotary joint to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A high-seal steam rotary joint, comprising a fixed joint, a fixed shell is fixedly arranged at one end of the fixed joint, a plurality of grooves are provided inside the fixed shell on the right side, a plurality of protrusions are fixedly arranged on the surface of one end of the fixed joint, a first sealing gasket is fixedly arranged inside the groove, the first sealing gasket is tightly connected with the protrusion, a rotating shell is movably arranged inside the fixed shell, a rotating ring is fixedly arranged at one end of the rotating shell, an annular groove is provided on one side inside the fixed shell, the rotating ring is movably connected with the annular groove, a second sealing gasket is fixedly arranged on the surface of the rotating ring, a rotating joint is fixedly arranged at one end of the rotating shell, a first sealing ring is fixedly arranged on the surface of one end of the rotating joint, and a second sealing ring is fixedly arranged on the surface of one end of the shell;

[0007] The rotating shell surface is provided with a plurality of first rectangular grooves, the first rectangular grooves are provided with first circular holes, a ball is movably arranged inside the first circular hole, the inner surface of the fixed shell is provided with a second rectangular groove, the second rectangular grooves are provided with second circular holes, the second circular holes are movably connected to the top of the ball, oil-absorbing cotton is fixedly arranged inside the second circular holes, a plurality of oil inlet pipes are fixedly arranged on the top of the fixed shell, a connecting groove is provided at the bottom end of the oil inlet pipe, and the bottom end of the connecting groove is connected through the middle of the top end of the second circular hole.

[0008] Preferably, a connecting hole is opened at one end of the rotating shell, an air intake pipe is fixedly provided at the top end of the fixed joint, and one end of the air intake pipe is movably connected to the connecting hole.

[0009] Preferably, a ventilation groove is provided inside the fixed joint, and an air outlet pipe is fixedly provided at the bottom end of the ventilation groove.

[0010] Preferably, a thread groove is provided on the top surface of the oil inlet pipe, a top cover is threadedly provided on the top of the oil inlet pipe, and a third sealing gasket is fixedly provided on the bottom end of the top cover.

[0011] Preferably, connecting plates are fixedly provided on both sides of the fixed joint, and a rectangular plate is fixedly provided on one end of the connecting plate.

[0012] Preferably, a plurality of threaded holes are provided on the surface of the rectangular plate, and fixing bolts are provided in the threads inside the threaded holes.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. A high-sealing steam rotary joint, through the arrangement of a protrusion and a first sealing gasket, when in use, the protrusion is located in a groove provided inside the fixed block, and the first sealing gasket is tightly fitted with the protrusion and the groove, thereby achieving the effect of increasing the sealing performance of the connection between the fixed shell and the fixed joint, and through the arrangement of a rotating ring and a second sealing gasket, when in use, the second sealing gasket on the surface of the rotating ring is tightly fitted with the inside of the annular groove, thereby achieving the effect of improving the sealing performance of the rotating shell and the fixed shell, and through the arrangement of the first sealing ring and the second sealing ring, when in use, the first sealing ring is located on the surface of the rotating joint and is tightly fitted with one end of the fixed shell, and the second sealing ring is located on the surface of the rotating shell and is tightly fitted with one side of the inside of the fixed shell, thereby achieving the effect of preventing internal steam from leaking from the connection between the rotary joint and the fixed shell during rotation.

[0015] 2. This kind of high-sealing steam rotary joint is provided with balls, oil-absorbing cotton and oil inlet pipe. When in use, lubricating oil is poured into the oil inlet pipe, and the lubricating oil enters the connecting groove from the bottom end of the oil inlet pipe, and contacts the oil-absorbing cotton when entering the bottom end of the connecting groove, so that the lubricating oil is stored inside the oil-absorbing cotton. When the rotating joint drives the rotating shell to rotate, the balls inside the first rectangular groove and the second rectangular groove on the surface are driven to rotate, and the ball surface can be contacted with the lubricating oil when passing through the oil-absorbing cotton, reducing the wear on the ball surface, thereby achieving the effect of increasing the service life of the overall rotary joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0018] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0019] Figure 4 For the utility model Figure 1 The enlarged schematic diagram at A in the middle;

[0020] Figure 5 For the utility model Figure 3 The enlarged schematic diagram of point B in the middle;

[0021] Figure 6 For the utility model Figure 3 Enlarged schematic diagram at point C in the middle.

[0022] In the figure: 1, fixed joint; 2, fixed shell; 3, groove; 4, convex block; 5, first sealing gasket; 6, rotating shell; 7, rotating ring; 8, annular groove; 9, second sealing gasket; 10, rotating joint; 11, first sealing ring; 12, second sealing ring; 13, first rectangular groove; 14, first circular hole; 15, ball; 16, second rectangular groove; 17, second circular hole; 18, oil-absorbing cotton; 19, oil inlet pipe; 20, connecting groove; 21, connecting hole; 22, air inlet pipe; 23, ventilation groove; 24, air outlet pipe; 25, threaded groove; 26, top cover; 27, third sealing gasket; 28, connecting plate; 29, rectangular plate; 30, threaded hole; 31, fixing bolt. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-Figure 6 As shown, the utility model provides a technical solution: a high-seal steam rotary joint, comprising a fixed joint 1, a fixed shell 2 is fixedly arranged at one end of the fixed joint 1, a plurality of grooves 3 are opened on the right side of the fixed shell 2, a plurality of protrusions 4 are fixedly arranged on the surface of one end of the fixed joint 1, a first sealing gasket 5 is fixedly arranged inside the groove 3, the first sealing gasket 5 is tightly connected with the protrusion 4, a rotating shell 6 is movably arranged inside the fixed shell 2, a rotating ring 7 is fixedly arranged at one end of the rotating shell 6, an annular groove 8 is opened on one side of the fixed shell 2, the rotating ring 7 is movably connected with the annular groove 8, a second sealing gasket 9 is fixedly arranged on the surface of the rotating ring 7, a rotating joint 10 is fixedly arranged at one end of the rotating shell 6, a first sealing ring 11 is fixedly arranged on the surface of one end of the rotating joint 10, and a second sealing ring 12 is fixedly arranged on the surface of one end of the rotating shell 6;

[0025] In this embodiment, by setting the protrusion 4 and the first sealing gasket 5, when in use, the protrusion 4 is located inside the groove 3 opened inside the fixed block, and the first sealing gasket 5 is tightly fitted with the protrusion 4 and the groove 3, thereby achieving the effect of increasing the sealing performance of the connection between the fixed shell 2 and the fixed joint 1. By setting the rotating ring 7 and the second sealing gasket 9, when in use, the second sealing gasket 9 on the surface of the rotating ring 7 is tightly fitted with the inside of the annular groove 8, thereby achieving the effect of improving the sealing performance of the rotating shell 6 and the fixed shell 2. By setting the first sealing ring 11 and the second sealing ring 12, when in use, the first sealing ring 11 is located on the surface of the rotating joint 10 and is tightly fitted with one end of the fixed shell 2, and the second sealing ring 12 is located on the surface of the rotating shell 6 and is tightly fitted with one side of the inside of the fixed shell 2, thereby achieving the effect of preventing internal steam from leaking from the connection between the rotating joint and the fixed shell 2 during rotation.

[0026] like Figure 1 , Figure 2 and Figure 5 As shown, a plurality of first rectangular grooves 13 are provided on the surface of the rotating shell 6, a first circular hole 14 is provided inside the first rectangular groove 13, a ball 15 is movably provided inside the first circular hole 14, a second rectangular groove 16 is provided on the inner surface of the fixed shell 2, a second circular hole 17 is provided inside the second rectangular groove 16, the second circular hole 17 is movably connected to the top of the ball 15, an oil-absorbing cotton 18 is fixedly provided inside the second circular hole 17, a plurality of oil inlet pipes 19 are fixedly provided on the top of the fixed shell 2, a connecting groove 20 is provided at the bottom end of the oil inlet pipe 19, and the bottom end of the connecting groove 20 is connected through the middle of the top end of the second circular hole 17;

[0027] In this embodiment, by setting the ball 15, the oil-absorbing cotton 18 and the oil inlet pipe 19, when in use, lubricating oil is poured into the oil inlet pipe 19, and the lubricating oil enters the connecting groove 20 from the bottom end of the oil inlet pipe 19, and contacts the oil-absorbing cotton 18 when entering the bottom end of the connecting groove 20, so that the lubricating oil is stored in the oil-absorbing cotton 18. When the rotary joint 10 drives the rotating shell 6 to rotate, the ball 15 in the first rectangular groove 13 and the second rectangular groove 16 on the surface is driven to rotate, and the surface of the ball 15 can contact the lubricating oil when passing through the oil-absorbing cotton 18, thereby reducing the wear on the surface of the ball 15, thereby achieving the effect of improving the service life of the overall rotary joint;

[0028] like Figure 1 , Figure 3 and Figure 4As shown, a connecting hole 21 is provided at one end of the rotating shell 6, an air inlet pipe 22 is fixedly provided at the top of the fixed joint 1, one end of the air inlet pipe 22 is movably connected to the connecting hole 21, a venting groove 23 is provided inside the fixed joint 1, an air outlet pipe 24 is fixedly provided at the bottom end of the venting groove 23, a threaded groove 25 is provided on the top surface of the oil inlet pipe 19, a top cover 26 is threadedly provided at the top of the oil inlet pipe 19, a third sealing gasket 27 is fixedly provided at the bottom end of the top cover 26, connecting plates 28 are fixedly provided on both sides of the fixed joint 1, a rectangular plate 29 is fixedly provided at one end of the connecting plate 28, a plurality of threaded holes 30 are provided on the surface of the rectangular plate 29, and fixing bolts 31 are threadedly provided inside the threaded holes 30;

[0029] In this embodiment, through the setting of the air outlet pipe 24, when in use, after the steam enters the rotating shell 6 from the air inlet pipe 22, it is discharged from the connecting hole 21 on one side of the rotating shell 6, enters the ventilation groove 23 inside the fixed joint 1, and finally discharged from the air outlet pipe 24, thereby achieving the effect of facilitating the discharge of steam entering the rotating shell 6. Through the setting of the top cover 26, when in use, the top cover 26 is rotated and the top cover 26 is removed along the surface of the oil inlet pipe 19, which is convenient for adding lubricating oil to the inside of the connecting groove 20. Combined with the setting of the third sealing gasket 27, the sealing performance of the top cover 26 and the oil inlet pipe 19 can be improved, thereby achieving the effect of facilitating the addition of lubricating oil to the inside of the oil-absorbing cotton 18. Through the setting of the connecting plate 28, the rectangular plate 29 can be fixed to one side of the connecting plate 28 when in use. Then, through the setting of the fixing bolts 31, the fixing bolts 31 are passed through the threaded holes 30 on the surface of the rectangular plate 29 when in use, and fixedly connected to the external equipment, thereby achieving the effect of facilitating the fixing of the overall joint and improving the stability of the overall joint.

[0030] Working principle: by setting the convex block 4 and the first sealing gasket 5, when in use, the convex block 4 is located inside the groove 3 opened inside the fixed block, and the first sealing gasket 5 is tightly fitted with the convex block 4 and the groove 3, thereby achieving the effect of increasing the sealing performance of the connection between the fixed shell 2 and the fixed joint 1. By setting the rotating ring 7 and the second sealing gasket 9, when in use, the second sealing gasket 9 on the surface of the rotating ring 7 is tightly fitted with the inside of the annular groove 8, thereby achieving the effect of improving the sealing performance of the rotating shell 6 and the fixed shell 2. By setting the first sealing ring 11 and the second sealing ring 12, when in use, the first sealing ring 11 is located on the surface of the rotating joint 10 and One end of the fixed shell 2 fits tightly, and the second sealing ring 12 is located on the surface of the rotating shell 6 and fits tightly with one side of the inside of the fixed shell 2, thereby achieving the effect of preventing the internal steam from leaking from the connection between the rotating joint and the fixed shell 2 during the rotation process. At the same time, through the arrangement of the ball 15, the oil-absorbing cotton 18 and the oil inlet pipe 19, when in use, the lubricating oil is poured into the oil inlet pipe 19, and the lubricating oil enters the inside of the connecting groove 20 from the bottom end of the oil inlet pipe 19, and enters the bottom end of the connecting groove 20 and contacts with the oil-absorbing cotton 18, so that the lubricating oil is stored in the oil-absorbing cotton 18. When the rotating joint 10 drives the rotating shell 6 to rotate, it drives the first rectangular groove on the surface The ball 15 in the second rectangular groove 13 and the second rectangular groove 16 rotates, and the surface of the ball 15 can contact the lubricating oil when passing through the oil-absorbing cotton 18, thereby reducing the wear on the surface of the ball 15, thereby achieving the effect of improving the service life of the overall rotary joint. Through the setting of the exhaust pipe 24, when the steam enters the rotating shell 6 from the inlet pipe 22 during use, it is discharged from the connecting hole 21 on one side of the rotating shell 6, enters the ventilation groove 23 inside the fixed joint 1, and finally discharged from the exhaust pipe 24, thereby achieving the effect of facilitating the discharge of steam entering the rotating shell 6. Through the setting of the top cover 26, when in use, the top cover 26 is rotated to close the top cover 26. The cover 26 is removed along the surface of the oil inlet pipe 19 to facilitate the addition of lubricating oil to the inside of the connecting groove 20. Combined with the setting of the third sealing gasket 27, the sealing performance between the top cover 26 and the oil inlet pipe 19 can be improved, thereby achieving the effect of facilitating the addition of lubricating oil to the inside of the oil-absorbing cotton 18. Through the setting of the connecting plate 28, the rectangular plate 29 can be fixed to one side of the connecting plate 28 when in use. Then, through the setting of the fixing bolts 31, the fixing bolts 31 are passed through the threaded holes 30 on the surface of the rectangular plate 29 when in use, and fixedly connected to the external equipment, thereby achieving the effect of facilitating the fixation of the overall joint and improving the stability of the overall joint.

[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A high-seal steam rotary joint, characterized in that: The invention comprises a fixed joint (1), wherein a fixed shell (2) is fixedly arranged at one end of the fixed joint (1), a plurality of grooves (3) are provided on the right side of the fixed shell (2), a plurality of protrusions (4) are fixedly arranged on the surface of one end of the fixed joint (1), a first sealing gasket (5) is fixedly arranged inside the groove (3), and the first sealing gasket (5) is tightly connected to the protrusion (4), a rotating shell (6) is movably arranged inside the fixed shell (2), a rotating ring (7) is fixedly arranged at one end of the rotating shell (6), an annular groove (8) is provided on one side of the fixed shell (2), the rotating ring (7) is movably connected to the annular groove (8), a second sealing gasket (9) is fixedly arranged on the surface of the rotating ring (7), a rotating joint (10) is fixedly arranged at one end of the rotating shell (6), a first sealing ring (11) is fixedly arranged on the surface of one end of the rotating joint (10), and a second sealing ring (12) is fixedly arranged on the surface of one end of the rotating shell (6); The surface of the rotating shell (6) is provided with a plurality of first rectangular grooves (13), the first rectangular grooves (13) are provided with first circular holes (14), a ball (15) is movably arranged inside the first circular hole (14), the inner surface of the fixed shell (2) is provided with a second rectangular groove (16), the second rectangular groove (16) is provided with a second circular hole (17), the second circular hole (17) is movably connected to the top of the ball (15), an oil-absorbing cotton (18) is fixedly arranged inside the second circular hole (17), a plurality of oil inlet pipes (19) are fixedly arranged at the top of the fixed shell (2), a connecting groove (20) is provided at the bottom end of the oil inlet pipe (19), and the bottom end of the connecting groove (20) is connected to the middle of the top end of the second circular hole (17) through.

2. A high-seal steam rotary joint according to claim 1, characterized in that: A connection hole (21) is provided at one end of the rotating shell (6), an air intake pipe (22) is fixedly provided at the top end of the fixed joint (1), and one end of the air intake pipe (22) is movably connected to the connection hole (21).

3. A high-seal steam rotary joint according to claim 1, characterized in that: A ventilation groove (23) is provided inside the fixed joint (1), and an air outlet pipe (24) is fixedly provided at the bottom end of the ventilation groove (23).

4. A high-seal steam rotary joint according to claim 1, characterized in that: A thread groove (25) is provided on the top surface of the oil inlet pipe (19), a top cover (26) is threadedly provided on the top of the oil inlet pipe (19), and a third sealing gasket (27) is fixedly provided at the bottom end of the top cover (26).

5. The high-seal steam rotary joint according to claim 1, characterized in that: Connecting plates (28) are fixedly arranged on both sides of the fixed joint (1), and a rectangular plate (29) is fixedly arranged on one end of the connecting plate (28).

6. A high-seal steam rotary joint according to claim 5, characterized in that: A plurality of threaded holes (30) are provided on the surface of the rectangular plate (29), and fixing bolts (31) are provided in the internal threads of the threaded holes (30).

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