Rotary joint connecting structure convenient to install

Abstract

The utility model relates to the technical field of part machining, and discloses a rotary joint connecting structure convenient to install, which comprises a shell, an inner core shaft is arranged on the inner wall of the shell, an integrated slip ring is arranged at the right end of the inner core shaft, a signal line is fixedly connected to the left end of the integrated slip ring, two Y-shaped pipelines are fixedly connected to the left end of the inner core shaft, and the two Y-shaped pipelines are fixedly connected to the right end of the integrated slip ring. And pipeline covers are arranged on the opposite sides of the two Y-shaped pipelines correspondingly, first gaskets are fixedly connected to the adjacent sides of the two pipeline covers correspondingly, and filter screens are fixedly connected to the adjacent sides of the two pipeline covers correspondingly. According to the utility model, the Y-shaped pipeline is fixedly connected to the left side of the internal mandrel, and the inclined filter screen is arranged in the pipeline at the Y-shaped branch, so that when liquid flows into the internal mandrel through one end of the Y-shaped pipeline, impurities in the liquid can be screened by the filter screen, and the impurities in the filter screen are thrown to the bottom of the filter screen under the action of eccentricity; the purpose of filtering impurities in liquid is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of part processing, in particular to a rotary joint connection structure which is convenient for installation. Background Technique

[0002] A rotary joint is a sealed rotary connector that rotates 360° to convey a medium. The function of the rotary joint is to input liquid from one side of the pipeline into a rotating or reciprocating device and then discharge it through a connecting sealing device. A rotary joint needs to be installed between two relatively rotating pipelines. The design of the rotary joint is compact, and it is connected in a flange type and effectively integrated into the customer's equipment.

[0003] At present, the main body of the existing rotary joint is composed of an internal core shaft, a housing, and a sealing ring. The medium to be conveyed flows from the pipeline opened in the center of the internal core shaft into the oil passage between the internal core shaft and the outer frame, and then flows into the outside through the holes opened on the housing. Since the internal components of the rotary joint are precise, if there are impurities in the conveyed medium, it will jam the internal parts during the conveying process or cause abnormal wear to the rotary joint, and it is relatively difficult to repair. Content of the Utility Model

[0004] In order to make up for the above deficiencies, the utility model provides a rotary joint connection structure which is convenient for installation, aiming to improve the problem of filtering impurities in the conveyed medium by the rotary joint and the problem of easy disassembly of the rotary joint.

[0005] To achieve the above object, the utility model provides the following technical solution: a rotary joint connection structure which is convenient for installation, including a housing, an internal core shaft is arranged on the inner wall of the housing, an integrated slip ring is arranged at the right end of the internal core shaft, a signal wire is fixedly connected to the left end of the integrated slip ring, two Y-shaped pipelines are fixedly connected to the left end of the internal core shaft, pipeline covers are arranged on the opposite sides of the two Y-shaped pipelines, first gaskets are fixedly connected to the adjacent sides of the two pipeline covers, filter meshes are fixedly connected to the adjacent sides of the two pipeline covers, a plurality of sealing rings are arranged between the internal core shaft and the housing, two inner rings are fixedly connected to the left and right sides of the outer wall of the internal core shaft, an outer ring is arranged on the outer wall of the inner ring, and evenly distributed balls are arranged between the outer wall of the inner ring and the inner wall of the outer ring. An easy disassembly component is arranged on the left side of the housing, and the easy disassembly component is used for quickly disassembling the rotary joint.

[0006] Preferably, the easily detachable component includes a first connecting piece, the right end of the inner wall of the first connecting piece is fixedly connected to the left end of the outer wall of the shell, the inner wall of the first connecting piece is slidably connected with a butt joint, the right end of the butt joint is fixedly connected with a second gasket, the outer wall of the first connecting piece is slidably connected with a second connecting piece, evenly distributed balls are arranged between the second connecting piece and the butt joint, a spring is fixedly connected to the right side of the inner wall of the second connecting piece, and a limiting piece is fixedly connected to the left end of the outer wall of the first connecting piece.

[0007] Preferably, external joints are provided on both upper and lower sides of the outer wall of the shell, and threaded pipes are fixedly connected to adjacent sides of two external joints.

[0008] Preferably, adjacent sides of the two threaded pipes are each provided with a built-in joint, and the threaded pipe passes through the shell and is fixedly connected to the built-in joint.

[0009] Preferably, a screw is threadedly connected between the pipe cover and the Y-shaped pipe.

[0010] Preferably, a first retaining ring is provided at the left end of the outer wall of the inner core shaft, the right end of the first retaining ring is tightly fitted with the left end of the outer ring, and the outer wall of the outer ring is tightly fitted with the inner wall of the shell.

[0011] Preferably, a second retaining ring is provided at the right end of the outer wall of the inner core shaft, and the left end of the second retaining ring is tightly fitted with the right end of the outer ring.

[0012] Preferably, the inner wall of the sealing ring is tightly fitted with the outer wall of the internal core shaft, and the outer wall of the sealing ring is tightly fitted with the inner wall of the shell.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, a Y-shaped pipe is fixedly connected to the left side of the internal core shaft, and an inclined filter screen is arranged in the pipe at the Y-shaped branch. When the liquid flows into the internal core shaft through one end of the Y-shaped pipe, the impurities in the liquid will be screened by the filter screen, and when the rotary joint is working, the impurities in the filter screen are thrown to the bottom of the filter screen under the action of the eccentricity, which does not affect the circulation of the liquid, thereby achieving the purpose of filtering impurities in the liquid.

[0015] 2. In the utility model, a first connecting member is arranged on the left side of the shell, and the first connecting member and the second connecting member are connected by a spring. When the second connecting member is slid to the right and the butt joint is inserted into the first connecting member, the ball will be stuck in the hole of the first connecting member and the groove of the butt joint. At this time, the second connecting member is released, and the raised part of the second connecting member presses against the ball, so that the butt joint is stuck in the first connecting member to achieve the purpose of quick installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1Stereogram of the rotatable joint connection structure that is easy to install proposed by the present utility model;

[0017] Figure 2 Sectional view of the housing of the rotatable joint connection structure that is easy to install proposed by the present utility model;

[0018] Figure 3 Sectional view of the internal mandrel of the rotatable joint connection structure that is easy to install proposed by the present utility model;

[0019] Figure 4 The rotatable joint connection structure that is easy to install proposed by the present utility model Figure 2 Enlarged view of part A.

[0020] Legend:

[0021] 1. Internal mandrel; 2. Housing; 3. Inner ring; 4. Ball; 5. Outer ring; 6. Sealing ring; 7. First retaining ring; 8. Built-in joint; 9. Threaded pipe; 10. Docking joint; 11. First connecting piece; 12. Second connecting piece; 13. Sphere; 14. Spring; 15. Integrated slip ring; 16. External joint; 17. Second retaining ring; 18. Signal wire; 19. Y-shaped pipe; 20. Pipe cover; 21. Filter screen; 22. Screw; 23. First gasket; 24. Second gasket; 25. Limiting piece. Specific embodiments

[0022] Next, in combination with the specification drawings of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Referring to Figures 1 - 4 , an embodiment provided by the present utility model: a rotatable joint connection structure that is easy to install, including a housing 2, an internal mandrel 1 is arranged on the inner wall of the housing 2, an integrated slip ring 15 is arranged at the right end of the internal mandrel 1, a signal wire 18 is fixedly connected to the left end of the integrated slip ring 15, two Y-shaped pipes 19 are fixedly connected to the left end of the internal mandrel 1, pipe covers 20 are arranged on the opposite sides of the two Y-shaped pipes 19, first gaskets 23 are fixedly connected to the adjacent sides of the two pipe covers 20, filter screens 21 are fixedly connected to the adjacent sides of the two pipe covers 20, a plurality of sealing rings 6 are arranged between the internal mandrel 1 and the housing 2, two inner rings 3 are fixedly connected to the left and right sides of the outer wall of the internal mandrel 1, an outer ring 5 is arranged on the outer wall of the inner ring 3, a uniformly distributed set of balls 4 is arranged between the outer wall of the inner ring 3 and the inner wall of the outer ring 5, a detachable component is arranged on the left side of the housing 2, and the detachable component is used for the quick disassembly of the rotatable joint.

[0024] Specifically, by fixing a Y-shaped pipe 19 on the left side of the internal core shaft 1 and setting an inclined filter screen 21 in the pipe at the Y-shaped branch, when the liquid flows into the internal core shaft 1 through one end of the Y-shaped pipe 19, impurities in the liquid will be screened out by the filter screen 21, and the impurities in the filter screen 21 will be thrown to the bottom of the filter screen 21 under the action of the centrifugal force, thereby achieving the purpose of filtering impurities in the liquid.

[0025] Reference Figure 1 , Figure 2 The easily disassembled component includes a first connecting member 11, the right end of the inner wall of the first connecting member 11 is fixedly connected to the left end of the outer wall of the shell 2, the inner wall of the first connecting member 11 is slidably connected to a docking joint 10, the right end of the docking joint 10 is fixedly connected to a second gasket 24, the outer wall of the first connecting member 11 is slidably connected to a second connecting member 12, evenly distributed balls 13 are arranged between the second connecting member 12 and the docking joint 10, a spring 14 is fixedly connected to the right side of the inner wall of the second connecting member 12, and a limiting member 25 is fixedly connected to the left end of the outer wall of the first connecting member 11.

[0026] Specifically, by setting a first connecting member 11 on the left side of the shell 2, and connecting the first connecting member 11 and the second connecting member 12 with a spring 14, the second connecting member 12 is slid to the right, and when the docking joint 10 is inserted into the first connecting member 11, the ball 13 will be stuck in the hole of the first connecting member 11 and the groove of the docking joint 10. At this time, the second connecting member 12 is released, and the raised part of the second connecting member 12 is against the ball 13, so that the docking joint 10 is stuck in the first connecting member 11 to achieve the purpose of quick installation.

[0027] Reference Figure 1 , Figure 2 External joints 16 are provided on both upper and lower sides of the outer wall of the shell 2, and threaded pipes 9 are fixedly connected to adjacent sides of the two external joints 16.

[0028] Specifically, the external connector 16 is screwed to the housing 2 via the threaded pipe 9, and the inner wall of the external connector 16 is also a threaded surface, which facilitates the subsequent connection of the external pipe.

[0029] Reference Figure 1 , Figure 2 A built-in joint 8 is provided on the adjacent side of the two threaded pipes 9 , and the threaded pipes 9 penetrate the shell 2 and are fixedly connected to the built-in joint 8 .

[0030] Specifically, after the threaded pipe 9 is threadedly connected to the shell 2, one end of the threaded pipe 9 inside the shell 2 is fixedly connected to the built-in joint 8, so that the sealing of the pipe of the transmitted liquid can be guaranteed during the operation of the machine.

[0031] Reference Figure 2 , Figure 3, a screw 22 is threadedly connected between the pipe cap 20 and the Y-shaped pipe 19.

[0032] Specifically, the pipe cap 20 and the Y-shaped pipe 19 are connected together by the screw 22. Since there is also a first gasket 23 between the pipe cap 20 and the Y-shaped pipe 19 to make no gap between them, it ensures that during the operation of the machine, the liquid will not leak.

[0033] Refer to Figure 1 , Figure 2 , a first retaining ring 7 is arranged at the left end of the outer wall of the inner core shaft 1. The right end of the first retaining ring 7 is in close contact with the left end of the outer ring 5, and the outer wall of the outer ring 5 is in close contact with the inner wall of the housing 2.

[0034] Specifically, the function of the first retaining ring 7 at the left end of the inner core shaft 1 is to limit the ball 4 on the left side of the inner core shaft 1.

[0035] Refer to Figure 2 , a second retaining ring 17 is arranged at the right end of the outer wall of the inner core shaft 1. The left end of the second retaining ring 17 is in close contact with the right end of the outer ring 5.

[0036] Specifically, the function of the first retaining ring 7 at the right end of the inner core shaft 1 is to limit the ball 4 on the right side of the inner core shaft 1.

[0037] Refer to Figure 2 , the inner wall of the sealing ring 6 is in close contact with the outer wall of the inner core shaft 1, and the outer wall of the sealing ring 6 is in close contact with the inner wall of the housing 2.

[0038] Specifically, the sealing ring 6 is arranged on both sides of the oil passage between the outer wall of the inner core shaft 1 and the inner wall of the housing 2, and its function is to seal the oil passage.

[0039] Working principle: The inner wall of the shell 2 is provided with an internal core shaft 1, the right end of the internal core shaft 1 is provided with an integrated slip ring 15, the left end of the integrated slip ring 15 is fixedly connected to a signal line 18, the left end of the internal core shaft 1 is fixedly connected to two Y-shaped pipes 19, the two Y-shaped pipes 19 are provided with pipe covers 20 at the pipe openings on opposite sides, the adjacent ends of the two pipe covers 20 are fixedly connected to a first gasket 23, the adjacent ends of the two pipe covers 20 are fixedly connected to a filter screen 21, the pipe covers 20 and the Y-shaped pipes 19 are threadedly connected with screws 22, a plurality of sealing rings 6 are provided between the internal core shaft 1 and the shell 2, the inner wall of the sealing ring 6 is tightly fitted with the outer wall of the inner core shaft, the outer wall of the sealing ring 6 is tightly fitted with the inner wall of the shell 2, and the internal Two inner rings 3 are fixedly connected to the left and right ends of the outer wall of the core shaft 1, an outer ring 5 is arranged on the outer wall of the inner ring 3, and evenly distributed balls 4 are arranged between the outer wall of the inner ring 3 and the inner wall of the outer ring 5. A first retaining ring 7 is arranged on the left end of the outer wall of the internal core shaft 1, and the right end of the first retaining ring 7 is tightly fitted with the left end of the outer ring 5, and the outer wall of the outer ring 5 is tightly fitted with the inner wall of the shell 2. A second retaining ring 17 is arranged on the right end of the outer wall of the internal core shaft 1, and the left end of the second retaining ring 17 is tightly fitted with the right end of the outer ring 5. External joints 16 are arranged on the upper and lower sides of the outer wall of the shell 2, and threaded pipes 9 are fixedly connected to the adjacent sides of the two external joints 16, and internal joints 8 are arranged on the adjacent sides of the two threaded pipes 9. The threaded pipes 9 pass through the shell 2 and are connected to the internal joints 8 Tightly fit, by fixing the Y-shaped pipe 19 on the left side of the internal core shaft 1, and setting an inclined filter screen 21 in the pipe at the Y-shaped branch, when the liquid flows into the internal core shaft 1 through one end of the Y-shaped pipe 19, the impurities in the liquid will be screened by the filter screen 21, and when the rotary joint is working, the impurities in the filter screen 21 are thrown to the bottom of the filter screen 21 under the action of the centrifugal force, which does not affect the circulation of the liquid, thereby achieving the purpose of filtering impurities in the liquid, the first connecting member 11, the right end of the inner wall of the first connecting member 11 is fixedly connected to the left end of the outer wall of the shell 2, the inner wall of the first connecting member 11 is slidably connected to the butt joint 10, the right end of the butt joint 10 is fixedly connected to the second gasket 24, and the outer wall of the first connecting member 11 is slidably connected to the second connecting member 12, a ball 13 is arranged between the second connecting member 12 and the docking joint 10, a spring 14 is fixedly connected to the right side of the inner wall of the second connecting member 12, and a limiting member 25 is fixedly connected to the left end of the outer wall of the first connecting member 11. By arranging the first connecting member 11 on the left side of the shell 2, and connecting the first connecting member 11 and the second connecting member 12 with the spring 14, the second connecting member 12 is slid to the right, and when the docking joint 10 is inserted into the first connecting member 11, the ball 13 will be stuck in the hole of the first connecting member 11 and the groove of the docking joint 10. At this time, the second connecting member 12 is released, and the raised part in the second connecting member 12 presses against the ball 13, so that the docking joint 10 is stuck in the first connecting member 11 to achieve the purpose of quick installation.

[0040] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A rotary joint connection structure facilitating installation, comprising a housing (2), characterized in that: An internal mandrel (1) is provided on the inner wall of the housing (2). An integrated slip ring (15) is provided at the right end of the internal mandrel (1). A signal line (18) is fixedly connected to the left end of the integrated slip ring (15). Two Y-shaped pipes (19) are fixedly connected to the left end of the internal mandrel (1). Pipe caps (20) are provided on opposite sides of the two Y-shaped pipes (19). First gaskets (23) are fixedly connected to adjacent sides of the two pipe caps (20). Filters (21) are fixedly connected to adjacent sides of the two pipe caps (20). A plurality of sealing rings (6) are provided between the internal mandrel (1) and the housing (2). Two inner rings (3) are fixedly connected to both the left and right sides of the outer wall of the internal mandrel (1). An outer ring (5) is provided on the outer wall of the inner ring (3). Uniformly distributed balls (4) are provided between the outer wall of the inner ring (3) and the inner wall of the outer ring (5). A detachable component is provided on the left side of the housing (2), and the detachable component is used for the quick disassembly of the rotary joint.

2. The rotatable joint connection structure facilitating installation according to claim 1, wherein: The detachable component includes a first connecting piece (11). The right end of the inner wall of the first connecting piece (11) is fixedly connected to the outer wall of the left end of the housing (2). A docking joint (10) is slidably connected to the inner wall of the first connecting piece (11). A second gasket (24) is fixedly connected to the right end of the docking joint (10). A second connecting piece (12) is slidably connected to the outer wall of the first connecting piece (11). Uniformly distributed spheres (13) are provided between the second connecting piece (12) and the docking joint (10). A spring (14) is fixedly connected to the right side of the inner wall of the second connecting piece (12). A restricting piece (25) is fixedly connected to the left end of the outer wall of the first connecting piece (11).

3. The rotatable joint connection structure facilitating installation according to claim 1, characterized in that: External joints (16) are provided on both the upper and lower sides of the outer wall of the housing (2). Threaded pipes (9) are fixedly connected to adjacent sides of the two external joints (16).

4. The rotatable joint connection structure facilitating installation according to claim 3, characterized in that: Internal joints (8) are provided on adjacent sides of the two threaded pipes (9). The threaded pipes (9) penetrate the housing (2) and are fixedly connected to the internal joints (8).

5. The rotatable joint connection structure convenient for installation according to claim 1, wherein: A screw (22) is threadedly connected between the pipe cap (20) and the Y-shaped pipe (19).

6. The rotatable joint connection structure facilitating installation according to claim 1, wherein: A first retaining ring (7) is provided on the outer wall of the left end of the internal mandrel (1). There is a tight fit between the right end of the first retaining ring (7) and the left end of the outer ring (5). There is a tight fit between the outer wall of the outer ring (5) and the inner wall of the housing (2).

7. The rotatable joint connection structure facilitating installation according to claim 1, wherein: A second retaining ring (17) is provided on the outer wall of the right end of the internal mandrel (1). There is a tight fit between the left end of the second retaining ring (17) and the right end of the outer ring (5).

8. The rotatable joint connection structure for easy installation according to claim 1, characterized in that: There is a tight fit between the inner wall of the sealing ring (6) and the outer wall of the internal mandrel (1). There is a tight fit between the outer wall of the sealing ring (6) and the inner wall of the housing (2).

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