CN216201321U

CN216201321U - High-pressure heavy-load rotary joint structure

Info

Publication number: CN216201321U
Application number: CN202122775242.6U
Authority: CN
Inventors: 俞良; 张玉; 俞海洪
Original assignee: Tengzhou Dahong Machinery Manufacturing Co ltd
Current assignee: Tengzhou Dahong Machinery Manufacturing Co ltd
Priority date: 2021-11-13
Filing date: 2021-11-13
Publication date: 2022-04-05
Anticipated expiration: 2031-11-13

Abstract

The utility model discloses a high-pressure heavy-load rotary joint structure, and particularly relates to the technical field of joint equipment. According to the high-pressure heavy-load rotary joint structure, the sealing gasket required by the rotary shaft is aligned and installed through the sealing groove and the conical groove, the left joint and the right joint are in threaded connection, and the sealing gasket is extruded in the middle, so that the sealing effect is improved, the rotary shaft is protected from pressure of medium impact, and the service life of the rotary joint is prolonged.

Description

High-pressure heavy-load rotary joint structure

Technical Field

The utility model relates to the technical field of joint equipment, in particular to a high-pressure heavy-load rotary joint structure.

Background

The rotary joint is a rotatable mechanical sealing device, mainly used for conveying and discharging heat conduction media for a fixed pipeline, widely applied to cooling and drying equipment and pipelines in industries such as steel, printing and dyeing, chemical engineering, medicine, rubber and the like, and if a hydraulic cylinder is arranged on a high-speed rotating shaft, a high-pressure rotary joint is needed to be used for assisting the circulation of the media.

The disadvantages of the general high-pressure rotary joint are that: the sealed wearing and tearing condition of filling up in rotation axis and articulate department is comparatively serious, and is difficult for changing, so the rotary joint who directly changes the new to increase working cost, rotary joint simultaneously through precision manufacturing, strike easily taking place in the transport with deposit the in-process, cause to connect the inside part damage, cause whole joint all can't use, has increased working cost equally.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a high-pressure heavy-load rotary joint structure which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a high pressure heavy load rotary joint structure, includes left side joint, the right-hand member threaded connection that left side connects has right side joint, the surface right part threaded connection that the right side connects has the keysets, the left end that connects on the right side has been seted up and has been promoted the groove, the receiving tank has been seted up to the right-hand member that connects on the left side, the inside of promoting groove and receiving tank is provided with sealed the pad jointly, the inside of left side joint is seted up and is run through the logical groove at its left and right sides both ends, the fixed slot has been seted up to the left end that connects on the left side, the inside fixed mounting of fixed slot has the bearing, the interior surface rotation that leads to the groove is connected with the rotation axis, the surface right part fixed mounting of rotation axis has the clamp plate, first thread groove has been seted up to the surface left part of rotation axis, the inside of rotation axis is seted up and is run through the chamber at its left and right sides both ends.

Preferably, the inner surface of the bearing and the outer surface of the rotating shaft are fixedly connected, and the first thread groove is located on the left side of the bearing.

Preferably, the extrusion groove has been seted up to the internal surface right part that leads to the groove, the left side wall fixed mounting in extrusion groove has a plurality of spring, a plurality of the common fixed mounting of one end that the extrusion groove left side wall was kept away from to the spring has the push pedal, and the size of push pedal equals the size of push pedal.

Preferably, a first threaded column groove is formed in the right portion of the outer surface of the right connector, an adapter column is fixedly mounted at the lower end of the adapter plate, a second threaded column groove penetrating through the upper end and the lower end of the adapter plate is formed in the adapter plate and the adapter column together, a second threaded strip is fixedly mounted on the outer surface of the adapter column, and the adapter plate and the right connector are connected together in the first threaded column groove in a threaded connection mode through common threads of the adapter column and the second threaded column groove.

Preferably, the left end middle part of right side joint has seted up the switching groove, and switching groove and first screw thread post groove intercommunication each other, promote the trench in the outside of switching groove and with switch groove intercommunication each other.

Preferably, the left end outside fixed mounting that the right side connects has the collar, the fixed surface of collar installs first screw thread strip, the right-hand member outside that the left side connects has seted up the screw thread annular, collar and first screw thread strip threaded connection are in the same place right side joint and left side joint threaded connection in the screw thread annular.

Preferably, the thread ring groove is positioned at the outer side of the receiving groove, and the receiving groove is positioned at the outer side of the through groove and is communicated with the through groove.

Preferably, the left end of sealed pad has seted up the bell jar, and the diameter of bell jar equals the external diameter of rotation axis, the seal groove has been seted up to the right-hand member of sealed pad, and seal groove and bell jar communicate each other, the minimum diameter of seal groove equals the diameter that leads to the chamber, the maximum diameter of seal groove equals the diameter in switching groove.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model discloses a high-pressure heavy-load rotary joint structure, which is characterized in that a rotary joint is divided into a left joint and a right joint, the left joint and the right joint can be matched for use after being damaged by impact in the transportation process, the left joint and the right joint are stored and transported separately, the problem that the whole joint cannot be used due to damage of a part is avoided, the loss is reduced, a sealing gasket required by a rotary shaft is aligned and arranged in a receiving groove and a pushing groove through a sealing groove and a conical groove in the same way, the replacement is convenient, the sealing gasket is extruded in the middle after the left joint and the right joint are connected in a threaded manner, the sealing effect is improved, the pressure of the rotary shaft, which is not impacted by a medium, is protected, the service life of the rotary joint is prolonged, and the working cost is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cut-away schematic view of the left and right joints of the present invention;

FIG. 3 is a schematic view of the internal structure of the left joint of the present invention;

FIG. 4 is a schematic view showing the internal structure of the right joint of the present invention;

FIG. 5 is a schematic structural view of an adapter plate and an adapter column according to the present invention;

fig. 6 is a schematic view of the structure of the gasket of the present invention.

In the figure: 1. a left joint; 11. a through groove; 12. fixing grooves; 13. extruding a groove; 131. a spring; 132. pushing the plate; 14. a thread ring groove; 15. a receiving groove; 2. a right connector; 21. a transfer groove; 22. a first threaded post slot; 23. a push groove; 24. a mounting ring; 25. a first threaded strip; 3. an adapter plate; 31. a transfer column; 32. a second threaded strip; 33. a second threaded post slot; 4. a rotating shaft; 41. pressing a plate; 5. a first thread groove; 6. a cavity is communicated; 7. a bearing; 8. a gasket; 81. a sealing groove; 82. and (4) a tapered groove.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-6, a high pressure heavy load rotary joint structure, including left side joint 1, the right-hand member threaded connection that left side connects 1 has right side joint 2, the right part threaded connection that the surface right side that right side connects 2 has keysets 3, push groove 23 has been seted up to the left end that right side connects 2, receiving groove 15 has been seted up to the right-hand member that left side connects 1, push groove 23 and receiving groove 15's inside is provided with sealed the pad 8 jointly, left side joint 1's inside is seted up and is run through its logical groove 11 of controlling both ends, fixed slot 12 has been seted up to left side joint 1's left end, the inside fixed mounting of fixed slot 12 has bearing 7, the interior surface rotation that leads to groove 11 is connected with rotation axis 4, rotation axis 4's surface right part fixed mounting has clamp plate 41, first thread groove 5 has been seted up to rotation axis 4's surface left part, the inside of rotation axis 4 is seted up and is run through its logical chamber 6 of controlling both ends.

The inner surface of the bearing 7 and the outer surface of the rotating shaft 4 are fixedly connected, and the first thread groove 5 is positioned on the left side of the bearing 7; an extrusion groove 13 is formed in the right portion of the inner surface of the through groove 11, a plurality of springs 131 are fixedly mounted on the left side wall of the extrusion groove 13, a push plate 132 is fixedly mounted at one end of each of the springs 131 far away from the left side wall of the extrusion groove 13, and the size of the push plate 132 is equal to that of the press plate 41; bearing 7 fixed connection is in the surface left part of rotation axis 4, and clamp plate 41 fixed connection is in the surface right part of rotation axis 4, improves the stability of rotation axis 4, and after using for a long time, rotation axis 4 takes place not hard up in left joint 1, and when the circulation medium, spring 131 promotes push pedal 132 and extrudees clamp plate 41 to the right, makes rotation axis 4 keep unchangeable in original position, improves rotary joint's life.

A first threaded column groove 22 is formed in the right part of the outer surface of the right connector 2, an adapter column 31 is fixedly mounted at the lower end of the adapter plate 3, a second threaded column groove 33 penetrating through the upper end and the lower end of the adapter plate 3 and the adapter column 31 are jointly formed in the adapter plate 3 and the adapter column 31, a second threaded strip 32 is fixedly mounted on the outer surface of the adapter column 31, and the adapter column 31 and the second threaded column groove 33 are jointly in threaded connection in the first threaded column groove 22 to connect the adapter plate 3 and the right connector 2 together in a threaded manner; the middle part of the left end of the right connector 2 is provided with a transfer groove 21, the transfer groove 21 is communicated with a first threaded column groove 22, and a pushing groove 23 is positioned on the outer side of the transfer groove 21 and is communicated with the transfer groove 21; first screw thread post groove 22 has been used for a long time, wearing and tearing appear in the cell wall inevitablely, cause the medium to leak easily, so at first screw thread post 31 of 22 internal thread installations in first screw thread post groove, then carry out threaded connection with pipeline and second screw thread post groove 33, even the condition such as wearing and tearing leak takes place for the post 31, it is convenient and cheap also than changing a right side connector 2 to change an adapter plate 3 and adapter post 31, and the adapter post 31 of different models can be selected according to the required condition in second screw thread post groove 33, improve the adaptation degree with the pipeline, and the work efficiency is improved.

A mounting ring 24 is fixedly mounted on the outer side of the left end of the right joint 2, a first threaded strip 25 is fixedly mounted on the outer surface of the mounting ring 24, a threaded ring groove 14 is formed in the outer side of the right end of the left joint 1, and the mounting ring 24 and the first threaded strip 25 are in threaded connection in the threaded ring groove 14 to connect the right joint 2 and the left joint 1 together in a threaded manner; the thread ring groove 14 is positioned at the outer side of the receiving groove 15, and the receiving groove 15 is positioned at the outer side of the through groove 11 and is communicated with the through groove 11; the left end of the sealing gasket 8 is provided with a conical groove 82, the diameter of the conical groove 82 is equal to the outer diameter of the rotating shaft 4, the right end of the sealing gasket 8 is provided with a sealing groove 81, the sealing groove 81 and the conical groove 82 are communicated with each other, the minimum diameter of the sealing groove 81 is equal to the diameter of the through cavity 6, and the maximum diameter of the sealing groove 81 is equal to the diameter of the transfer groove 21; the left end of the sealing gasket 8 is aligned to the receiving groove 15, after the sealing gasket is pressed in by force, the rotating shaft 4 enters the tapered groove 82, the mounting ring 24 and the first threaded strip 25 are aligned to the threaded ring groove 14, the left joint 1 and the right joint 2 are connected together in a threaded manner, then the pushing groove 23 extrudes the sealing gasket 8, two ends of the sealing gasket 8 are enabled to be tightly attached to the receiving groove 15 and the pushing groove 23, the sealing performance of the rotating joint is improved, after a medium flows through, the medium firstly enters the sealing groove 81 of the sealing gasket 8, the small left tapered opening and the large right tapered opening reduce the flow of the medium, the pressure brought by the medium is reduced, and then the medium directly enters the through cavity 6 from the sealing groove 81 to complete the circulation.

It should be noted that, the present invention is a high-pressure heavy-duty rotary joint structure, the left end of the sealing gasket 8 is aligned to the receiving groove 15, after being pressed in by force, the rotary shaft 4 enters into the tapered groove 82, at this time, the mounting ring 24 and the first thread strip 25 are aligned to the thread ring groove 14, the left joint 1 and the right joint 2 are screwed together, then the pushing groove 23 presses the sealing gasket 8, so that the two ends of the sealing gasket 8 are tightly attached to the receiving groove 15 and the pushing groove 23, the sealing performance of the rotary joint is improved, then the second thread column groove 33 with the adapted type is selected to be screwed with the pipeline, the adapter cylinder 31 and the second thread strip 32 are connected with the first thread column groove 22, so that the pipeline and the adapter groove 21 are communicated with each other, after being used for a long time, the rotary shaft 4 is loosened in the left joint 1, when flowing media, the spring 131 pushes the push plate 132 to press the press plate 41 rightwards, the rotating shaft 4 is kept unchanged at the original position, and the service life of the rotating joint is prolonged.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high pressure heavy load rotary joint structure, includes left joint (1), its characterized in that: the right end of the left connector (1) is in threaded connection with a right connector (2), the right part of the outer surface of the right connector (2) is in threaded connection with an adapter plate (3), the left end of the right connector (2) is provided with a push groove (23), the right end of the left connector (1) is provided with a receiving groove (15), a sealing gasket (8) is arranged inside the push groove (23) and the receiving groove (15) together, the left connector (1) is provided with a through groove (11) penetrating through the left end and the right end of the left connector, the left end of the left connector (1) is provided with a fixing groove (12), a bearing (7) is fixedly arranged inside the fixing groove (12), the inner surface of the through groove (11) is rotatably connected with a rotating shaft (4), the right part of the outer surface of the rotating shaft (4) is fixedly provided with a pressing plate (41), and the left part of the outer surface of the rotating shaft (4) is provided with a first thread groove (5), the inside of rotation axis (4) is seted up and is run through logical chamber (6) at its left and right ends.

2. The high-pressure heavy-duty rotary joint structure of claim 1, wherein: the inner surface of the bearing (7) is fixedly connected with the outer surface of the rotating shaft (4), and the first thread groove (5) is positioned on the left side of the bearing (7).

3. The high-pressure heavy-duty rotary joint structure of claim 1, wherein: extrusion groove (13) have been seted up to the internal surface right part of logical groove (11), the left side wall fixed mounting in extrusion groove (13) has a plurality of spring (131), a plurality of spring (131) keep away from the common fixed mounting of one end of extrusion groove (13) left side wall and have push pedal (132), and the size of push pedal (132) equals the size of clamp plate (41).

4. The high-pressure heavy-duty rotary joint structure of claim 1, wherein: first screw thread post groove (22) have been seted up to the surface right part of right side joint (2), the lower extreme fixed mounting of keysets (3) has transit post (31), second screw thread post groove (33) that run through both ends about it are seted up jointly to the inside of keysets (3) and transit post (31), the surface fixed mounting of keysets (31) has second screw thread strip (32), common threaded connection in keysets (31) and second screw thread post groove (33) is in the same place keysets (3) and right side joint (2) threaded connection in first screw thread post groove (22).

5. The high-pressure heavy-duty rotary joint structure of claim 4, wherein: the left end middle part of right side joint (2) has been seted up and has been changeed groove (21), and changeed groove (21) and first screw thread post groove (22) intercommunication each other, promote groove (23) and be located the outside in changeing groove (21) and communicate each other with changeing groove (21).

6. The high-pressure heavy-duty rotary joint structure of claim 1, wherein: the left end outside fixed mounting that connects (2) on the right side has collar (24), the outer fixed surface of collar (24) installs first screw thread strip (25), screw thread annular (14) have been seted up in the right-hand member outside that connects (1) on the left side, collar (24) and first screw thread strip (25) threaded connection are in the same place right side joint (2) and left side joint (1) threaded connection in screw thread annular (14).

7. The high-pressure heavy-duty rotary joint structure of claim 6, wherein: the thread ring groove (14) is located on the outer side of the receiving groove (15), and the receiving groove (15) is located on the outer side of the through groove (11) and communicated with the through groove (11).

8. The high-pressure heavy-duty rotary joint structure of claim 1, wherein: tapered slot (82) have been seted up to the left end of sealed pad (8), and the diameter of tapered slot (82) equals the external diameter of rotation axis (4), seal groove (81) have been seted up to the right-hand member of sealed pad (8), and seal groove (81) and tapered slot (82) communicate each other, the minimum diameter of seal groove (81) equals the diameter of logical chamber (6), the maximum diameter of seal groove (81) equals the diameter of switching groove (21).