CN216078744U

CN216078744U - Combined rotary joint

Info

Publication number: CN216078744U
Application number: CN202122243797.6U
Authority: CN
Inventors: 张磊磊
Original assignee: Shandong Modern Sealing Technology Equipment Co ltd
Current assignee: Shandong Modern Sealing Technology Equipment Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-03-18
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a combined rotary joint, which comprises a shell, wherein a liquid injection pipe penetrating through the front surface and the inner wall of the shell is arranged on the front surface of the shell close to the bottom end, a blocking disc is arranged on one side of the liquid injection pipe close to the rear end, a gland is arranged on the top surface of the shell, a rotary mandrel with the bottom end positioned in the shell is arranged on the top surface of the gland close to the middle, a rotary pipe penetrating through the top surface of the gland is arranged on the top surface of the gland close to the inner periphery, a positioning mechanism respectively penetrating through the outer periphery and the inner wall of the rotary pipe and the outer periphery and the inner wall of the rotary mandrel is arranged on the front surface and the back surface of the rotary pipe close to the top end, and an oilless bearing positioned in the shell is arranged on the outer periphery of the rotary mandrel close to the bottom end; the combined rotary joint has good capacity of conveying liquid media, ensures the consistency of the concentricity of the inner infusion tube and the matched rotary mandrel, avoids the accident of leakage of the rotary joint, and realizes the regulation and control of the flow of the liquid media in the liquid injection tube.

Description

Combined rotary joint

Technical Field

The utility model relates to the field of pipeline connecting devices, in particular to a combined rotary joint.

Background

Firstly, when the existing combined rotary joint is used, the concentricity of an inner infusion tube and a matched rotary mandrel is not enough, so that the rotary joint is easy to have a leakage accident; secondly, when current combination formula rotary joint used, do not possess the structure that changes the intraductal liquid medium flow of notes liquid, can not adjust the delivery flow of liquid medium according to the demand of equipment, bring certain influence for the in-service use.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a combined rotary joint which can effectively solve the technical problems in the background technology.

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

the utility model provides a modular rotary joint, which comprises an outer shell, the front of shell is close to the bottom and installs the notes liquid pipe that runs through the shell openly and the inner wall, one side of annotating the liquid pipe is close to the rear end and installs and block the dish, the gland is installed to the top surface of shell, the top surface of gland is close to the centre and installs the bottom and be located the inside rotatory dabber of shell, the top surface of gland is close to interior week and installs the commentaries on classics pipe that runs through the gland top surface, the front and the back of commentaries on classics pipe are close to the top and all install a positioning mechanism who runs through commentaries on classics pipe periphery and inner wall and rotatory dabber periphery and inner wall respectively, the periphery of rotatory dabber is close to the bottom and installs the oilless bearing that is located the shell inside, the spring is installed near the bottom in the inside of shell, the one side of blocking the dish is close to the centre and installs the thread sealing shaft that runs through notes liquid pipe outside and inner wall.

As a further scheme of the utility model, the shell is connected with the gland in a combined manner through the nut, the rotating mandrel is rotatably arranged with the shell and the gland, the oilless bearing is rotatably arranged with the shell and the gland, the top surface of the oilless bearing is provided with the sealing ring, and the sealing gasket is arranged between the shell and the gland.

As a further proposal of the utility model, the diameter of the back surface of the blocking disc is larger than that of the threaded sealing shaft, the blocking disc is arranged separately from the liquid injection pipe, the threaded sealing shaft is connected with the liquid injection pipe in a threaded manner and can be rotated and separated, and the diameter of the threaded sealing shaft is larger than the inner diameter of the liquid injection pipe.

As a further scheme of the utility model, the positioning mechanism comprises a bolt penetrating through the periphery, the inner wall and the bottom surface of the rotating pipe, a sliding plate positioned in the rotating pipe is installed on the back surface of the bolt, a connecting shaft penetrating through the periphery and the inner wall of the rotating mandrel and the periphery and the inner wall of the sealing ring is installed on the back surface of the sliding plate close to the middle, and a positioning arc plate is installed on the back surface of the connecting shaft.

As a further scheme of the utility model, the two positioning mechanisms are oppositely arranged, the bolt is in threaded connection with the gland and can be rotatably separated from the gland, the bolt is separated from the sliding plate, and the diameter of the back surface of the bolt is smaller than the height of the sliding plate.

As a further scheme of the utility model, the bolt is in threaded connection with the rotating pipe and can be rotatably arranged, the sliding plate, the rotating pipe and the sealing ring are movably arranged, the connecting shaft, the rotating pipe, the sealing ring and the rotating mandrel are movably arranged, the positioning arc plate is arranged in an arc shape, the circle center of the positioning arc plate is consistent with that of the rotating mandrel, and the rotating pipe and the gland are rotatably arranged.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, two bolts are respectively rotated on the rotating pipe through the positioning mechanism, and in the process of screwing the bolts, the bolts extrude the sliding plate, so that the sliding plate moves into the sealing ring from the rotating pipe, the sliding plate drives the positioning arc plates to move towards the direction of the inner infusion pipe through the connecting shaft, so that the inner infusion pipe is clamped by the two positioning arc plates, the circle center of the inner infusion pipe is consistent with that of the rotating mandrel, the consistency of the concentricity of the inner infusion pipe and the rotating mandrel is ensured, and the accident of leakage of a rotating joint is avoided;

through rotating the stopper dish on annotating the liquid pipe for it drives the sealed axle of screw thread and rotates on annotating the liquid pipe to block the dish, changes the pipeline passageway size of annotating the liquid pipe, and in liquid medium flowed into the infusion endotheca from annotating the liquid pipe, make liquid medium obtain changing through the flow of annotating the liquid pipe, realize the regulation and control to the flow of liquid medium in annotating the liquid pipe.

Drawings

FIG. 1 is a schematic view of an overall structure of a combined rotary joint according to the present invention;

FIG. 2 is a side cross-sectional view of the housing and rotating mandrel of a modular rotary joint and its components of the present invention;

FIG. 3 is a front view of a blocking plate and its components of a combined rotary joint according to the present invention;

fig. 4 is a top view structural diagram of a positioning mechanism of a combined rotary joint according to the present invention.

In the figure: 1. a housing; 2. a liquid injection pipe; 3. a blocking disk; 4. a gland; 5. rotating the mandrel; 6. a positioning mechanism; 7. an oilless bearing; 8. a spring; 9. a threaded seal shaft; 10. a bolt; 11. a slide plate; 12. a connecting shaft; 13. positioning the arc plate; 14. and (5) rotating the tube.

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.

As shown in fig. 1-4, a combined rotary joint, including a housing 1, the front of the housing 1 is close to the bottom and is installed with the notes liquid pipe 2 that runs through the front of the housing 1 and inner wall, one side of annotating the liquid pipe 2 is close to the rear end and is installed and block the dish 3, gland 4 is installed to the top surface of housing 1, the top surface of gland 4 is close to the centre and is installed the bottom and is located the inside rotary mandrel 5 of housing 1, the top surface of gland 4 is close to interior week and is installed the commentaries on classics pipe 14 that runs through the top surface of gland 4, the front and the back of commentaries on classics pipe 14 are close to the top and are all installed one and run through commentaries on classics pipe 14 periphery and inner wall and rotary mandrel 5 periphery and inner wall positioning mechanism 6 respectively, the periphery of rotary mandrel 5 is close to the bottom and is installed and is located the inside oilless bearing 7 of housing 1, the inside of housing 1 is close to the bottom and is installed spring 8, one side of blocking the dish 3 is close to the centre and is installed and is run through annotates the outside of annotating the sealed axle 9 of liquid pipe 2 and inner wall.

In this embodiment, in order to realize rotary joint's rotation worker function, combine through the nut between shell 1 and the gland 4 to be connected, rotatory dabber 5 all is rotatable setting with shell 1 and gland 4, and oilless bearing 7 all is rotatable setting with shell 1 and gland 4, and the sealing ring is installed to oilless bearing 7's top surface, installs sealed the pad between shell 1 and the gland 4.

In this embodiment, in order to realize controlling the flow of annotating liquid pipe 2, set up and blockking dish 3 and thread seal axle 9, the back diameter that blocks dish 3 is greater than the diameter of thread seal axle 9, blocks dish 3 and annotates liquid pipe 2 and is the separation setting, and thread seal axle 9 is threaded connection and rotatable separation setting with annotating liquid pipe 2, and the diameter of thread seal axle 9 is greater than annotating the internal diameter of liquid pipe 2.

In this embodiment, in order to realize the location of the inner tube of the infusion, a locating mechanism 6 is provided, the locating mechanism 6 comprises a bolt 10 penetrating the periphery, the inner wall and the bottom surface of a rotating tube 14, a sliding plate 11 positioned in the rotating tube 14 is installed on the back surface of the bolt 10, a connecting shaft 12 penetrating the periphery and the inner wall of a rotating mandrel 5 and the periphery and the inner wall of a sealing ring is installed on the back surface of the sliding plate 11 near the middle, and a locating arc plate 13 is installed on the back surface of the connecting shaft 12.

In this embodiment, in order to enable the positioning mechanism 6 to realize the positioning function, the two positioning mechanisms 6 are oppositely arranged, the bolt 10 is in threaded connection with the gland 4 and is rotatably separated from the gland, the bolt 10 is separated from the sliding plate 11, and the diameter of the back surface of the bolt 10 is smaller than the height of the sliding plate 11.

In this embodiment, in order to fix location arc board 13, bolt 10 has been set up, bolt 10 is threaded connection and rotatable setting with runner 14, slide plate 11 all is portable setting with runner 14 and sealing ring, connecting axle 12 all is portable setting with runner 14, sealing ring and rotatory dabber 5, location arc board 13 is the arc setting, the centre of a circle of location arc board 13 keeps unanimous with the centre of a circle of rotatory dabber 5, runner 14 is rotatable setting with gland 4.

It should be noted that, when the utility model is used, firstly, the combined rotary joint is assembled, the rubber pad and the gland 4 are installed on the top surface of the shell 1, the spring 8, the inner infusion tube, the oilless bearing 7 and the sealing ring are sequentially installed in the shell 1, the shell 1 and the gland 4 are connected by the bolt 10 and the nut, the movable inner infusion tube is inserted into the rotary mandrel 5, the two bolts 10 are respectively rotated on the rotary tube 14, the bolt 10 extrudes the sliding plate 11 in the process of screwing the bolt 10, so that the sliding plate 11 moves from the rotary tube 14 to the sealing ring, the sliding plate 11 drives the positioning arc plate 13 to move towards the inner infusion tube through the connecting shaft 12, so that the two positioning arc plates 13 clamp the inner infusion tube, the circle center of the inner infusion tube is consistent with the circle center of the rotary mandrel 5, the infusion tube and the injection tube 2 are connected, in-process at rotary joint work, rotate on annotating liquid pipe 2 and block dish 3 for block dish 3 and drive the sealed axle of screw thread 9 and rotate on annotating liquid pipe 2, change the pipeline passageway size of annotating liquid pipe 2, in liquid medium flows into the infusion inner tube from annotating liquid pipe 2, rotatory dabber 5 pivoted in-process drives the infusion inner tube and rotates, drives the commentaries on classics pipe 14 rotation on gland 4 through positioning mechanism 6 simultaneously.

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. A combined rotary joint is characterized in that: including shell (1), the front of shell (1) is close to the bottom and installs notes liquid pipe (2) that run through shell (1) front and inner wall, the one side of annotating liquid pipe (2) is close to the rear end and installs and blocks dish (3), gland (4) are installed to the top surface of shell (1), the top surface of gland (4) is close to the centre and installs bottom and is located the inside rotatory dabber (5) of shell (1), the top surface of gland (4) is close to interior week and installs commentaries on classics pipe (14) that run through gland (4) top surface, the front and the back of commentaries on classics pipe (14) are close to the top and all install one and run through respectively commentaries on classics pipe (14) periphery and inner wall and rotatory dabber (5) periphery and positioning mechanism (6) of inner wall, the periphery of rotatory dabber (5) is close to the bottom and installs and is located the inside oilless bearing (7) of shell (1), spring (8) are installed near the bottom in the inside of shell (1), and a thread sealing shaft (9) which penetrates through the outer side and the inner wall of the liquid injection pipe (2) is arranged on one side of the blocking disc (3) close to the middle.

2. A modular rotary joint according to claim 1, wherein: combine to be connected through the nut between shell (1) and gland (4), rotatory dabber (5) all is rotatable setting with shell (1) and gland (4), and oilless bearing (7) all is rotatable setting with shell (1) and gland (4), and the sealing ring is installed to the top surface of oilless bearing (7), installs sealed the pad between shell (1) and gland (4).

3. A modular rotary joint according to claim 1, wherein: the back diameter that blocks dish (3) is greater than the diameter of thread seal axle (9), blocks dish (3) and is the separation setting with annotating liquid pipe (2), and thread seal axle (9) are threaded connection and rotatable separation setting with annotating liquid pipe (2), and the diameter of thread seal axle (9) is greater than the internal diameter of annotating liquid pipe (2).

4. A modular rotary joint according to claim 1, wherein: positioning mechanism (6) including running through rotating pipe (14) periphery, inner wall and bolt (10) of bottom surface, the back mounted of bolt (10) has slide plate (11) that are located rotating pipe (14), and the back of slide plate (11) is close to the middle connecting axle (12) of installing and running through rotatory dabber (5) periphery and inner wall and sealing ring periphery and inner wall, and the back mounted of connecting axle (12) has location arc board (13).

5. A modular rotary joint according to claim 1, wherein: two positioning mechanism (6) are relative setting, and bolt (10) are threaded connection and rotatable separation setting with gland (4), and bolt (10) are the separation setting with slide plate (11), and the back diameter of bolt (10) is less than the height of slide plate (11).

6. A modular rotary joint according to claim 4, wherein: bolt (10) are threaded connection and rotatable setting with commentaries on classics pipe (14), and slide plate (11) all are portable setting with commentaries on classics pipe (14) and sealing ring, and connecting axle (12) all are portable setting with commentaries on classics pipe (14), sealing ring and rotatory dabber (5), and location arc board (13) are the arc setting, and the centre of a circle of location arc board (13) keeps unanimous with the centre of a circle of rotatory dabber (5), and commentaries on classics pipe (14) are rotatable setting with gland (4).