Rotary joint with auxiliary sealing function

Abstract

The utility model discloses a rotary joint with an auxiliary sealing function, and particularly relates to the technical field of rotary joints, the rotary joint comprises a shell, a sealing washer is arranged on one side of the shell, the sealing washer is made of a rubber material, a first joint is arranged on one side of the sealing washer, a plurality of first washers are uniformly arranged on one side of the first joint, and a plurality of second washers are uniformly arranged on the other side of the first joint. The first gasket is made of a rubber material, a bolt is arranged on one side of the first gasket, one end of the bolt sequentially penetrates through the first connector, the first gasket and the shell and extends into the shell, and a rotating mechanism is arranged on the other side of the shell. According to the rotary joint, the rotary mechanism is arranged, so that when the sealing performance of the rotary joint body is improved, although a plurality of parts such as sealing rings are still needed at the joint, the rotary joint body can obtain a better sealing effect due to the reasonable arrangement of the rotary mechanism, and the sealing performance of the rotary joint body is improved. And moreover, the influence on the smoothness degree of the rotating joint body during rotation can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary joints, and more specifically to a rotary joint with an auxiliary sealing function. Background Art

[0002] A rotary joint is a pipe connection device that can rotate the connected pipes relative to each other. It can be used to transmit various media such as gas, liquid, oil, etc. It has a compact design structure and adopts flange connection, which can be effectively integrated into customer equipment. The application field of rotary joints covers almost all processing and manufacturing industries, such as metallurgy, machine tools, power generation, petroleum, rubber, plastics, textiles, printing and dyeing, pharmaceuticals, cigarettes, papermaking, food, feed processing, etc. The function of the rotary joint is to input the liquid from this side of the pipe into the rotating or reciprocating equipment, and then discharge it from the connecting sealing device.

[0003] However, when most existing rotary joints are in use, many components such as sealing rings are generally installed at the connection points in order to improve the sealing performance. Although this method can achieve a good sealing effect, it causes the joint to have a poor smoothness when rotating. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a rotary joint with an auxiliary sealing function. Through the reasonable setting of the rotating mechanism, not only the sealing performance of the rotary joint body during use can be improved, but also its smoothness can be improved to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotary joint with an auxiliary sealing function, comprising a shell, a sealing gasket is arranged on one side of the shell, the sealing gasket is made of a rubber material, a first joint is arranged on one side of the sealing gasket, a plurality of first gaskets are evenly arranged on one side of the first joint, the first gasket is made of a rubber material, a bolt is arranged on one side of the first gasket, one end of the bolt passes through the first joint, the first gasket and the shell in sequence and extends to the inside of the shell, and a rotating mechanism is arranged on the other side of the shell.

[0006] In a preferred embodiment, the rotating mechanism comprises a connecting ring, one side of the connecting ring is provided with an internal thread ring, and the inner wall of the internal thread ring is threadedly connected to the outer wall of the shell.

[0007] In a preferred embodiment, a rotary joint body is disposed inside the connecting ring, a blocking ring is disposed on one side of the rotary joint body, and a first fixing ring is disposed on one side of the blocking ring.

[0008] In a preferred embodiment, a sealing ring is provided on one side of the first fixing ring, the sealing ring is made of rubber material, and an annular sliding groove is provided inside the blocking ring.

[0009] In a preferred embodiment, an annular sliding block is disposed inside the annular sliding groove, a movable ring is disposed inside the annular sliding block, and a second fixed ring is disposed on one side of the movable ring.

[0010] In a preferred embodiment, a first groove is formed on one side of the second fixing ring, a first sealing ring is arranged inside the first groove, and the first sealing ring is made of rubber material.

[0011] In a preferred embodiment, a third fixing ring is provided on one side of the movable ring, an outer wall of the third fixing ring is connected to an inner wall of the shell, and a second sealing ring is provided inside the third fixing ring.

[0012] In a preferred embodiment, the second sealing ring is made of rubber material.

[0013] Technical effects and advantages of the utility model:

[0014] By setting up a rotating mechanism, when the sealing performance of the rotary joint body is improved, although many components such as sealing rings are still required at the connection, due to the reasonable setting of the rotating mechanism, this method can not only make the rotary joint body obtain a better sealing effect, but also avoid affecting the smoothness of the rotation of the rotary joint body. Through such a reasonable setting, not only the reliability of the rotary joint body during use is significantly improved, but also the practicality of the rotary joint body during use is significantly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a cross-sectional structural schematic diagram of the utility model.

[0017] Figure 3 For the utility model Figure 2 Enlarged structural diagram at A in the middle.

[0018] Figure 4 For the utility model Figure 2 Enlarged structural diagram at B in the middle.

[0019] The accompanying drawings are marked as follows: 1. shell; 2. sealing gasket; 3. first joint; 4. first gasket; 5. bolt; 6. connecting ring; 7. internal thread ring; 8. rotary joint body; 9. blocking ring; 10. first fixing ring; 11. sealing ring; 12. annular slider; 13. second fixing ring; 14. first sealing ring; 15. third fixing ring; 16. second sealing ring. DETAILED DESCRIPTION

[0020] 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.

[0021] As attached Figure 1-4 The rotary joint with auxiliary sealing function shown includes a shell 1, a sealing gasket 2 is arranged on one side of the shell 1, the sealing gasket 2 is made of rubber material, a first joint 3 is arranged on one side of the sealing gasket 2, a plurality of first gaskets 4 are evenly arranged on one side of the first joint 3, the first gasket 4 is made of rubber material, a bolt 5 is arranged on one side of the first gasket 4, one end of the bolt 5 passes through the first joint 3, the first gasket 4 and the shell 1 in sequence and extends to the inside of the shell 1, and a rotating mechanism is arranged on the other side of the shell 1 to facilitate the installation of the first joint 3 on one side of the shell 1 through the bolt 5.

[0022] As attached Figure 1 , 2 As shown in Figures 3 and 4, the rotating mechanism includes a connecting ring 6, an internal threaded ring 7 is provided on one side of the connecting ring 6, the inner wall of the internal threaded ring 7 is threadedly connected to the outer wall of the shell 1, a rotating joint body 8 is provided inside the connecting ring 6, a blocking ring 9 is provided on one side of the rotating joint body 8, a first fixing ring 10 is provided on one side of the blocking ring 9, a sealing ring 11 is provided on one side of the first fixing ring 10, the sealing ring 11 is made of rubber material, an annular groove is provided inside the blocking ring 9, an annular slider 12 is provided inside the annular groove, a movable ring is provided inside the annular slider 12, a second fixing ring 13 is provided on one side of the movable ring, a first groove is provided on one side of the second fixing ring 13, a first sealing ring 14 is provided inside the first groove, and the first sealing ring 14 is made of rubber material, so that the rotating joint body 8 can be smoothly rotated through the rotating mechanism.

[0023] As attached Figure 3 As shown, a third fixing ring 15 is provided on one side of the movable ring, the outer wall of the third fixing ring 15 is connected to the inner wall of the shell 1, and a second sealing ring 16 is provided inside the third fixing ring 15. The second sealing ring 16 is made of rubber material to improve the sealing performance of the rotary joint body 8 after installation.

[0024] The working principle of the utility model is as follows: when installing the rotating mechanism, first insert the rotating joint body 8 from the internal thread ring 7 and lead one end out of the connecting ring 6, then move the internal thread ring 7 to the corresponding installation position of the shell 1, and after the movement is completed, rotate the internal thread ring 7 in the corresponding reverse direction to connect the internal thread ring 7 to the shell 1. During the connection between the internal thread ring 7 and the shell 1, multiple components in the rotating mechanism contact each other to seal, and after completing the installation of the internal thread ring 7, hold the rotating joint body 8 and rotate it to see if the rotating joint body 8 can rotate smoothly. If the rotating joint body 8 rotates smoothly, the installation is successful, otherwise the installation fails.

[0025] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0026] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0027] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A rotary joint with auxiliary sealing function, comprising a housing (1), characterized in that: A sealing gasket (2) is arranged on one side of the shell (1), the sealing gasket (2) is made of a rubber material, a first joint (3) is arranged on one side of the sealing gasket (2), a plurality of first gaskets (4) are evenly arranged on one side of the first joint (3), the first gasket (4) is made of a rubber material, a bolt (5) is arranged on one side of the first gasket (4), one end of the bolt (5) passes through the first joint (3), the first gasket (4) and the shell (1) in sequence and extends into the interior of the shell (1), and a rotating mechanism is arranged on the other side of the shell (1).

2. The rotary joint with auxiliary sealing function according to claim 1, characterized in that: The rotating mechanism comprises a connecting ring (6), one side of the connecting ring (6) is provided with an internal thread ring (7), and the inner wall of the internal thread ring (7) is threadedly connected to the outer wall of the housing (1).

3. The rotary joint with auxiliary sealing function according to claim 2, characterized in that: A rotary joint body (8) is arranged inside the connecting ring (6), a blocking ring (9) is arranged on one side of the rotary joint body (8), and a first fixing ring (10) is arranged on one side of the blocking ring (9).

4. The rotary joint with auxiliary sealing function according to claim 3, characterized in that: A sealing ring (11) is provided on one side of the first fixing ring (10), the sealing ring (11) being made of a rubber material, and an annular sliding groove is provided inside the blocking ring (9).

5. The rotary joint with auxiliary sealing function according to claim 4, characterized in that: An annular sliding block (12) is arranged inside the annular sliding groove, a movable ring is arranged inside the annular sliding block (12), and a second fixed ring (13) is arranged on one side of the movable ring.

6. The rotary joint with auxiliary sealing function according to claim 5, characterized in that: A first groove is formed on one side of the second fixing ring (13), a first sealing ring (14) is arranged inside the first groove, and the first sealing ring (14) is made of rubber material.

7. The rotary joint with auxiliary sealing function according to claim 5, characterized in that: A third fixing ring (15) is provided on one side of the movable ring, the outer wall of the third fixing ring (15) is connected to the inner wall of the housing (1), and a second sealing ring (16) is provided inside the third fixing ring (15).

8. The rotary joint with auxiliary sealing function according to claim 7, characterized in that: The second sealing ring (16) is made of rubber material.

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