CN220056350U - Rotary joint for fluid loading and unloading arm - Google Patents

Abstract

The utility model relates to the technical field of adapter, and discloses a rotary joint for a fluid loading arm, which comprises a pipe arm and an access pipe, wherein a connecting ring a is fixedly arranged at the left end of the pipe arm, a connecting ring b is fixedly arranged at the right end of the access pipe, a pressure circular plate is movably sleeved on the pipe arm, a rotary pipe is fixedly arranged at the left side of the pressure circular plate, a circular block is fixedly sleeved on the access pipe, a thread is arranged on the outer side wall of the circular block, the inner side wall of the access pipe is provided with a thread, the pipe arm is aligned and jointed with the access pipe, then the rotary pipe is meshed and connected with the circular block, so that a spring can be driven to move leftwards, a pressing plate can be driven to move leftwards, when a sealing ring a is jointed with a sealing ring b, the spring deforms and stores force, so that the pipe arm and the access pipe can be continuously mutually and tightly jointed and tightly by applying pressure through a pressing plate.

Description

Rotary joint for fluid loading and unloading arm

Technical Field

The utility model relates to the technical field of adapters, in particular to a rotary joint for a fluid loading and unloading arm.

Background

The utility model provides a fluid handling arm for realize the device of conveying liquid and gas product between ground equipment and the liquid tank car, old term "oil filling riser", some land of current use fluid handling arm often are installed on ground directly in the use, can carry the material in the storage tank of different altitudes in the use, and fluid handling arm and the pipeline that carries the fluid produce and reveal can set up sealing device, but will produce when bump in most joint department and rock, will appear loosening the not hard up phenomenon of joint to can lead to the fluid to reveal in joint department.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the rotary joint for the fluid handling arm, which has the advantages of effectively avoiding the leakage caused by loosening of the joint, solving the problems that the sealing device is arranged when the fluid handling arm leaks from a pipeline for conveying fluid, most of joint parts are impacted to shake, the loosening phenomenon of the loosening joint occurs, and the fluid leakage is caused at the joint part.

(II) technical scheme

In order to achieve the purpose of effectively avoiding leakage caused by loosening at the joint, the utility model provides the following technical scheme: the utility model provides a rotary joint for fluid handling arm, including pipe arm and access pipe, the left end fixed mounting of pipe arm has go-between a, the right-hand member fixed mounting of access pipe has go-between b, the last movable sleeve of pipe arm has cup jointed the pressure plectane, pressure plectane left side fixed mounting has the rotary pipe, the fixed circular piece that has cup jointed on the access pipe, the screw thread has been seted up to circular piece lateral wall, the screw thread has been seted up to the access pipe inside wall, the access pipe is connected with circular piece meshing, go-between a's left side fixed mounting has sealing ring a, go-between b's right side fixed mounting has sealing ring b, sealing ring a is laminated with sealing ring b, the movable sleeve has cup jointed the spring on the pipe arm, the right-hand member of spring is laminated with pressure plectane left side, the left end fixed mounting of spring has the pressure board, the pressure board is laminated with go-between a right side.

Preferably, the rotating pipe is fixedly connected with an air duct, and the air duct is arranged between the round block and the connecting ring b.

Preferably, the connecting ring b and the sealing ring b are fixedly penetrated with small pipes, the connecting ring a and the sealing ring a are fixedly penetrated with communicating pipes, and the communicating pipes are communicated with the small pipes.

Preferably, the circular block is provided with an annular wall groove, and a sealing strip is fixedly arranged in the annular wall groove and is attached to the rotary pipe.

Preferably, two movable rods are fixedly arranged on the outer side wall of the rotary pipe.

(III) beneficial effects

Compared with the prior art, the utility model provides the rotary joint for the fluid loading arm, which has the following beneficial effects:

1. this rotary joint for fluid handling arm aligns laminating with the access pipe through pipe arm, then rotary rotating pipe and round block meshing are connected, just so can drive the spring and remove left, thereby can drive the pressure application board and remove left, when sealing ring a and sealing ring b laminating, the spring will deform and hold the power, thereby can last to apply pressure to go into connecting ring a through the pressure application board, just can last to make pipe arm and access pipe each other exert pressure closely laminating sealing connection, just so can appear rocking and striking in the junction also can last to exert pressure and seal access pipe arm and access pipe, thereby can effectively avoid the junction to appear becoming flexible and reveal.

2. According to the rotary joint for the fluid loading arm, inert gas can be injected into the rotary pipe through the gas guide pipe to isolate the temperature, and meanwhile, the inert gas can enter between the connecting ring a and the pressure circular plate through the small pipe and the communicating pipe, so that the spring is protected, and the service life of the spring is prevented from being influenced by ultralow temperature.

3. This rotary joint for fluid handling arm can improve the leakproofness between circle piece and the swivelling tube through the sealing strip on the circle piece to avoid the inert gas that pours into in the movable rod runs off and influence the protection effect, can make things convenient for the rotatory tube of user's application of force through two movable rods simultaneously, thereby can improve the practicality of device.

Drawings

FIG. 1 is a schematic view of a front cross-sectional perspective structure of the present utility model;

FIG. 2 is a schematic view of a partial enlarged structure of the present utility model at A in FIG. 1;

fig. 3 is a schematic perspective view of a cross-section of the arm of fig. 1 in accordance with the present utility model.

In the figure: 1. a tube arm; 2. an access tube; 3. a spring; 4. a pressure circular plate; 5. an air duct; 6. a movable rod; 7. a connecting ring b; 8. a rotating tube; 9. round blocks; 10. an annular wall groove; 11. a sealing strip; 12. a pressing plate; 13. a connecting ring a; 14. a sealing ring a; 15. a communicating pipe; 16. a sealing ring b; 17. a small tube.

Detailed Description

The present utility model will be described in further detail below with reference to the drawings, wherein like elements are designated by like reference numerals, and it is noted that the words "front", "rear", "left", "right", "upper" and "lower", "bottom" and "top" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular element.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: a rotary joint for a fluid loading arm comprises a pipe arm 1 and an access pipe 2, wherein a connecting ring a13 is fixedly arranged at the left end of the pipe arm 1, a connecting ring b7 is fixedly arranged at the right end of the access pipe 2, a pressure circular plate 4 is movably sleeved on the pipe arm 1, a rotary pipe 8 is fixedly arranged at the left side of the pressure circular plate 4, a round block 9 is fixedly sleeved on the access pipe 2, the outer side wall of the round block 9 is provided with threads, the inner side wall of the access pipe 2 is provided with threads, the access pipe 2 is in meshed connection with the round block 9, a sealing ring a14 is fixedly arranged at the left side of the connecting ring a13, a sealing ring b16 is fixedly arranged at the right side of the connecting ring b7, the sealing ring a14 is jointed with the sealing ring b16, a spring 3 is movably sleeved on the pipe arm 1, the right end of the spring 3 is jointed with the left side of the pressure circular plate 4, a pressing plate 12 is fixedly arranged at the left end of the spring 3, the pressing plate 12 is jointed with the right side of the connecting ring a13, the pipe arm 1 is aligned and jointed with the access pipe 2, then the rotary tube 8 is meshed with the round block 9, so that the spring 3 can be driven to move leftwards, the pressurizing plate 12 can be driven to move leftwards, when the sealing ring a14 is jointed with the sealing ring b16, the spring 3 deforms and stores force, so that the pressure can be continuously applied to the connecting ring a13 through the pressurizing plate 12, the tube arm 1 and the access tube 2 can be continuously and tightly jointed and sealed and connected with each other by applying the pressure, the connecting effect of the tube arm 1 and the access tube 2 can be improved, the air duct 5 is fixedly connected on the rotary tube 8, the air duct 5 is arranged between the round block 9 and the connecting ring b7, the connecting ring b7 and the sealing ring b16 fixedly penetrate through a small tube 17, the connecting ring a13 and the sealing ring a14 fixedly penetrate through a communicating tube 15, the communicating tube 15 is communicated with the small tube 17, inert gas can be injected into the rotary tube 8 through the air duct 5 to isolate the temperature, meanwhile, inert gas can enter between the connecting ring a13 and the pressure circular plate 4 through the small pipe 17 and the communicating pipe 15, so that the spring 3 is protected from the influence of ultralow temperature on the service life of the spring 3.

The circular block 9 is provided with the annular wall groove 10, the sealing strip 11 is fixedly arranged in the annular wall groove 10, the sealing strip 11 is attached to the rotary pipe 8, the outer side wall of the rotary pipe 8 is fixedly provided with the two movable rods 6, the sealing property between the circular block 9 and the rotary pipe 8 can be improved through the sealing strip 11 on the circular block 9, so that the protection effect is prevented from being influenced by the loss of inert gas injected into the movable rod 8, and meanwhile, the rotary pipe 8 can be rotated by a user conveniently through the two movable rods 6, so that the practicability of the device can be improved.

When in use, the first step is: through aiming at laminating pipe arm 1 and access pipe 2, then rotatory pipe 8 and circle piece 9 meshing are connected, just so can drive spring 3 and remove to left, thereby can drive the pressure board 12 and remove to left, when sealing ring a14 and sealing ring b16 laminating, spring 3 will deform and hold the power, thereby can last to exert pressure to go up connecting ring a13 through pressure board 12, just can last to make pipe arm 1 and access pipe 2 each other exert pressure closely laminating sealing connection, just so can improve the connection effect of pipe arm 1 and access pipe 2.

And a second step of: inert gas can be injected into the rotary pipe 8 through the gas guide pipe 5 to isolate the temperature, and meanwhile, the inert gas can enter between the connecting ring a13 and the pressure circular plate 4 through the small pipe 17 and the communicating pipe 15, so that the spring 3 is protected, and the service life of the spring 3 is prevented from being influenced by ultralow temperature.

And a third step of: the sealing performance between the round block 9 and the rotary pipe 8 can be improved through the sealing strip 11 on the round block 9, so that the protection effect is prevented from being influenced by the loss of inert gas injected into the movable rod 8, and meanwhile, the rotary pipe 8 can be conveniently rotated by the force application of a user through the two movable rods 6, so that the practicability of the device can be improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a rotary joint for fluid handling arm, includes pipe arm (1) and access pipe (2), and the left end fixed mounting of pipe arm (1) has go-between a (13), and the right-hand member fixed mounting of access pipe (2) has go-between b (7), its characterized in that: the pipe arm (1) is movably sleeved with a pressure circular plate (4), the left side of the pressure circular plate (4) is fixedly provided with a rotary pipe (8), the access pipe (2) is fixedly sleeved with a round block (9), the outer side wall of the round block (9) is provided with threads, the inner side wall of the access pipe (2) is provided with threads, the access pipe (2) is meshed with the round block (9), the left side of a connecting ring a (13) is fixedly provided with a sealing ring a (14), the right side of a connecting ring b (7) is fixedly provided with a sealing ring b (16), the sealing ring a (14) is attached to the sealing ring b (16), the pipe arm (1) is movably sleeved with a spring (3), the right end of the spring (3) is attached to the left side of the pressure circular plate (4), and the left end of the spring (3) is fixedly provided with a pressing plate (12).

2. A swivel joint for a fluid handling arm according to claim 1, wherein: the pressing plate (12) is attached to the right side of the connecting ring a (13), the rotating pipe (8) is fixedly connected with the air duct (5), and the air duct (5) is arranged between the round block (9) and the connecting ring b (7).

3. A swivel joint for a fluid handling arm according to claim 1, wherein: the connecting ring b (7) and the sealing ring b (16) are fixedly penetrated with a small pipe (17), the connecting ring a (13) and the sealing ring a (14) are fixedly penetrated with a communicating pipe (15), and the communicating pipe (15) is communicated with the small pipe (17).

4. A swivel joint for a fluid handling arm according to claim 1, wherein: annular wall grooves (10) are formed in the round blocks (9), sealing strips (11) are fixedly mounted in the annular wall grooves (10), and the sealing strips (11) are attached to the rotary pipe (8).

5. A swivel joint for a fluid handling arm according to claim 1, wherein: two movable rods (6) are fixedly arranged on the outer side wall of the rotary pipe (8).