CN113685639B - Novel self-rotating multi-channel rotary joint - Google Patents

Abstract

The invention discloses a novel self-rotating multi-channel rotary joint which comprises a fixing sleeve, a fixing head, a cylinder body and a rotary head, wherein the cylinder body and the fixing head are sleeved at the upper part and the lower part in the fixing sleeve, the rotary head sequentially penetrates into the cylinder body and the fixing head, a gap A is formed between the cylinder body and the rotary head, an impeller is arranged on the rotary head and is positioned in the gap A, an inlet is correspondingly formed in the side wall of the fixing sleeve and the side wall of the cylinder body, the inlet is communicated with the gap A, an outlet flow channel and an adjusting flow channel are arranged in the rotary head, one end opening of the outlet flow channel is positioned in the gap A, the other end opening of the outlet flow channel extends to the bottom end of the rotary head, one end opening of the adjusting flow channel is communicated with the outlet flow channel, the other end opening of the adjusting flow channel extends to the bottom end of the rotary head, a plurality of outlets and adjusting openings are formed in the fixing head, and the circle centers of the outlet flow channels are positioned on the circle center connecting line of the plurality of outlets. The invention aims to provide a novel self-rotating multi-channel rotary joint which is expected to intermittently and periodically provide media.

Description

A New Self-rotating Multi-channel Rotary Joint

technical field

The invention relates to the technical field of joints, in particular to a novel self-rotating multi-channel rotary joint.

Background technique

In metallurgy, iron and steel, construction machinery, drilling and other industries, it is often encountered that there is liquid or gas medium transmission between the fixed part and the rotating machine, and the connection between the fixed part and the rotating machine is through a joint. The joint is One of the commonly used parts for connecting two objects, but the existing joint only realizes the function of connecting two objects, and cannot provide intermittent and periodic media. Therefore, the present invention provides a new self-rotating Multi-channel rotary unions are used to overcome this problem.

Contents of the invention

The purpose of the present invention is to provide a new self-rotating multi-channel rotary joint, which is expected to provide media intermittently and periodically.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions:

A new type of self-rotating multi-channel rotary joint, including a fixed sleeve, a fixed head, a cylinder body and a rotating head. The cylinder body and the fixed head are set on the upper and lower parts of the fixed sleeve. In the head, there is a gap A between the cylinder and the rotating head, the rotating head is provided with an impeller, the impeller is located in the gap A, the fixed sleeve and the side wall of the cylinder body are provided with an inlet corresponding to the gap A Through, the outlet flow channel and the adjustment flow channel are set in the rotating head, one port of the outlet flow channel is located in the A gap and the other port extends to the bottom of the rotating head, and one port of the adjustment flow channel is connected with the outlet flow channel The other port extends to the bottom of the rotating head, and the fixed head is provided with a plurality of outlets and regulating ports, and the center of the outlet channel is located on the line connecting the centers of the outlets.

Further, the upper end surface of the cylinder body is connected with a second gland by screws, and the middle part of the second gland is provided with a round hole for the end of the rotating head to pass through. The contact surface between the second gland and the rotating head is A sealing ring is arranged between them, and the second gland covers the gap A.

Further, the side wall of the rotary head is provided with a bearing and a sealing ring, the bearing and the sealing ring are located in the gap A, and a sealing ring is provided between the outer side of the sealing ring and the contact surface of the inner wall of the cylinder, and the side wall of the rotary head is provided with There is a keyway, and the keyway is connected with the impeller through setting keys.

Further, the fixed head is provided with a wear-resistant sealing pad, and the wear-resistant sealing pad is provided with holes corresponding to the outlet and the adjustment port. The bottom end of the cover and the rotating head is in contact with the wear-resistant sealing gasket, and a sealing ring is arranged between the contact surface of the first gland and the rotating head.

Further, there is a gap B between the fixed head and the rotating head, a bearing is arranged on the bottom side wall of the rotating head, the bearing is located in the gap B, and a spring is arranged between the bearing and the first gland.

Further, a retaining spring is provided between the bottom of the fixing sleeve and the bottom of the fixing head.

Compared with prior art, the beneficial effect of the present invention is:

In the present invention, an impeller is arranged on the rotating head, and the impeller is located in the gap A. The liquid coming in through the inlet can make the impeller drive the rotating head to rotate. The rotation of the head makes the medium flow out from the outlet flow channel and the outlet to achieve periodic and intermittent discharge of the medium. The device is also provided with an adjustment port, which can adjust the rotation speed of the rotary head to adjust the discharge cycle, and the rotary joint is provided with Multiple outlets can also achieve the effect of adjusting the discharge cycle by blocking one of the outlets.

Description of drawings

Figure 1 is a schematic longitudinal section of the present invention.

Fig. 2 is a schematic longitudinal section along the direction A-A in Fig. 1 .

Fig. 3 is a right side view of Fig. 1 .

In the figure, 1-rotary head, 2-sealing ring, 3-sealing ring, 4-second gland, 5-bearing, 6-impeller, 7-key, 8-fixed sleeve, 9-cylinder, 10-the first One gland, 11-spring, 12-wear-resistant gasket, 13-circlip, 14-fixed head, 15-exit, 16-regulating port, 17-exit flow channel, 18-regulating flow channel, 19-A gap , 20-B gap, 21-inlet.

detailed description

In order to make the object, technical solution and advantages of the present invention clearer, the invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

Example 1:

Referring to Figs. 1-3, the present invention provides a novel self-rotating multi-channel rotary joint, which includes a fixed sleeve 8, a fixed head 14, a cylinder body 9 and a rotating head 1, and the cylinder body 9 and the fixed head 14 are sleeved on The upper and lower parts of the fixed sleeve 8, the cylinder body 9 and the fixed head 14 are all fixedly arranged, and the rotating head 1 penetrates the cylinder body 9 and the fixed head 14 in turn, and there is an A between the cylinder body 9 and the rotating head 1. A gap 19, the rotating head 1 is provided with an impeller 6, the impeller 6 is located in the A gap 19, the fixed sleeve 8 and the side wall of the cylinder body 9 are correspondingly provided with an inlet 21, the inlet 21 communicates with the A gap 19, and the inlet 21 is connected to the A gap 19. 21 is passed into the medium, which will make the impeller 6 rotate and thus drive the rotating head 1 to rotate by itself. The outlet flow channel 17 and the regulating flow channel 18 are arranged in the rotating head 1. The diameter of the outlet flow channel 17 is larger than the diameter of the regulating flow channel 18. One port of the outlet channel 17 is located in the A gap 19 and the other port extends to the bottom of the rotary head 1, one port of the regulating channel 18 communicates with the outlet channel 17 and the other port extends to the bottom of the rotary head 1 For this reason, the outlet channel 17 and the regulating channel 18 can be arranged in an L-shape, and the fixed head 14 is provided with a plurality of outlets 15 and regulating ports 16, preferably 4 outlets, but the present invention does not 15, the center of the outlet flow channel 17 is located on the line connecting the centers of the multiple outlets 15, so that the outlet flow channel 17 can correspond to one of the outlets 15 during the rotation of the spin head 1 so as to discharge the medium and achieve periodicity. emission effect.

Example 2:

On the basis of the above-mentioned embodiments, another embodiment of the present invention is that the upper end surface of the cylinder body 9 is connected with a second gland 4 by screws, and the middle part of the second gland 4 is provided with a hole for the end of the rotary head 1 to pass through. A sealing ring 3 is provided between the contact surface of the second gland 4 and the rotary head 1 , and the second gland 4 covers the A gap 19 . The side wall of the rotary head 1 is covered with a bearing 5 to improve the rotation of the rotary head 1 and the sealing ring 2, so as to improve the flexibility and sealing performance of the rotary head 1. The bearing 5 and the sealing ring 2 are located in the A gap 19, And a sealing ring 3 is arranged between the outer side of the sealing ring 2 and the inner wall contact surface of the cylinder body 9. In order to fix the impeller 6 on the rotary head 1, the side wall of the rotary head 1 is provided with a key groove, and the key 7 and the impeller are arranged in the key groove. 6 connections.

Example 3:

On the basis of the above embodiments, another embodiment of the present invention is that the fixed head 14 is provided with a wear-resistant gasket 12, and the wear-resistant gasket 12 is provided with holes corresponding to the outlet 15 and the adjustment port 16 , so that the medium passes through the outlet 15 and the adjustment port 16 from the wear-resistant gasket 12, the first gland 10 is connected to the end face of the fixed head 14, and the middle part of the first gland 10 is also provided with a hole so that the rotary head 1 can pass through the first A gland 10 and the bottom end of the rotating head 1 are in contact with the wear-resistant gasket 12 to prevent liquid leakage and fail to achieve the effect of periodic liquid discharge. There is a seal between the contact surface of the first gland 10 and the rotating head 1 Circle 3.

Example 4:

On the basis of the above embodiments, another embodiment of the present invention is that there is a B gap 20 between the fixed head 14 and the rotary head 1, and a bearing 5 is arranged on the bottom side wall of the rotary head 1, and the bearing 5 is located in the B gap 20, and a spring 11 is provided between the bearing 5 and the first gland 10. A retaining spring 13 is provided between the bottom of the fixing sleeve 8 and the bottom of the fixing head 14 .

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it is to be understood that numerous other modifications and implementations can be devised by those skilled in the art which will fall within the scope of the disclosure disclosed in this application. within the scope and spirit of the principles. More specifically, within the scope of the disclosure, drawings and claims of this application, various modifications and improvements can be made to the components or layout of the subject combination layout. In addition to variations and modifications to the component parts or layout, other uses will be apparent to those skilled in the art.

Claims (6)

1. A novel self-rotating multi-channel rotary joint is characterized in that: it comprises a fixed sleeve (8), a fixed head (14), a cylinder body (9) and a rotary head (1), and the cylinder body (9) and the fixed The head (14) is sleeved on the upper and lower parts of the fixed sleeve (8), and the rotating head (1) penetrates into the cylinder body (9) and the fixed head (14) in sequence, and the cylinder body (9) and the rotating head There is an A gap (19) between (1), and the rotating head (1) is provided with an impeller (6), and the impeller (6) is located in the A gap (19), and the fixed sleeve (8) and the cylinder ( 9) The side wall is correspondingly provided with an inlet (21), and the inlet (21) communicates with the A gap (19). The outlet flow channel (17) and the adjustment flow channel (18) are arranged in the rotary head (1). One port of the channel (17) is located in the A gap (19) and the other port extends to the bottom of the rotary head (1), and one port of the regulating channel (18) is connected to the other port of the outlet channel (17) Extending to the bottom of the rotating head (1), the fixed head (14) is provided with multiple outlets (15) and regulating ports (16), and the center of the outlet channel (17) is located at the multiple outlets (15) On the line connecting the centers of the circles, the diameter of the outlet channel (17) is greater than the diameter of the regulating channel (18). 2. A new self-rotating multi-channel rotary joint according to claim 1, characterized in that: the upper end surface of the cylinder body (9) is connected with a second gland (4) by screws, and the second gland ( 4) The middle part is provided with a round hole for the end of the rotary head (1) to pass through, and a sealing ring (3) is provided between the contact surface of the second gland (4) and the rotary head (1). Two glands (4) cover the A gap (19). 3. A new self-rotating multi-channel rotary joint according to claim 1, characterized in that: the side wall of the rotary head (1) is sleeved with a bearing (5) and a sealing ring (2), and the bearing (5) and the sealing ring (2) is located in the A gap (19), and a sealing ring (3) is arranged between the outer side of the sealing ring (2) and the inner wall contact surface of the cylinder (9), and the side wall of the rotary head (1) is arranged There is a keyway, and the keyway is connected with the impeller (6) through setting the key (7). 4. A new self-rotating multi-channel rotary joint according to claim 1, characterized in that: the fixed head (14) is provided with a wear-resistant gasket (12), and the wear-resistant gasket (12) is provided with There are holes corresponding to the outlet (15) and the adjustment port (16), and the first gland (10) is connected to the end face of the fixed head (14), the rotating head (1) passes through the first gland (10) and The bottom end of the rotating head (1) is in contact with the wear-resistant sealing gasket (12), and a sealing ring (3) is arranged between the contact surface of the first gland (10) and the rotating head (1). 5. A new type of self-rotating multi-channel rotary joint according to claim 1, characterized in that: there is a B gap (20) between the fixed head (14) and the rotary head (1), and there is a B gap (20) between the rotary head (1) ) is provided with a bearing (5) on the bottom side wall, the bearing (5) is located in the B gap (20), and a spring (11) is provided between the bearing (5) and the first gland (10). 6. A new type of self-rotating multi-channel rotary joint according to claim 1, characterized in that: a retaining spring (13) is arranged between the bottom of the fixed sleeve (8) and the bottom of the fixed head (14).

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