CN218378200U

CN218378200U - High leakproofness rotary joint

Info

Publication number: CN218378200U
Application number: CN202221454895.2U
Authority: CN
Inventors: 顾绪东; 顾绪海
Original assignee: Jiangsu Haochen Machinery Manufacturing Co ltd
Current assignee: Jiangsu Haochen Machinery Manufacturing Co ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2023-01-24
Anticipated expiration: 2032-06-10

Abstract

The utility model discloses a high-tightness rotary joint, which relates to the technical field of rotary joints, and comprises a device main body and a connector connected with the device main body through a connecting mechanism; the connecting mechanism comprises a first fixing ring fixedly connected to the outer side wall of the connector, a spring groove formed in the outer side wall of the first fixing ring, a connecting spring fixedly connected to the bottom of the spring groove, a fixing and locking block fixedly connected to the other end of the connecting spring, a second fixing ring fixedly connected to the end face of the device main body, a threaded hole formed in the outer side wall of the second fixing ring, and a fixing pin in threaded connection with the threaded hole, and a fixing mechanism is arranged between the fixing and locking block and the first fixing ring; the fixing mechanism comprises a plug hole arranged on the outer side wall of the fixed locking block. The utility model relates to a high leakproofness rotary joint, solid locking piece will be under coupling spring's effect, partly roll-off spring groove to in the screw hole of pegging graft, with this will come first retaining ring fixed, prevent that it from appearing not hard up the condition.

Description

High leakproofness rotary joint

Technical Field

The utility model relates to a rotary joint technical field, in particular to high leakproofness rotary joint.

Background

The rotary joint is a connecting sealing part for inputting fluid media (liquid, gas and the like) into rotary equipment from a static pipeline, a longitudinal inner pipe is positioned in the rotary joint, is different from a conveying medium channel of the rotary joint, but also plays a role in conveying the medium, and is widely used in various processing and manufacturing industries, such as: metallurgy, lathe, electricity generation, oil, rubber, plastics, weaving, printing and dyeing, pharmacy, cigarette, papermaking, food, feed processing etc. rotary joint generally includes a hollow shaft, axle sleeve, connector, and the connector is connected with fixed pipe connection, hollow shaft and pivoted pipe connection, and the hollow shaft is at the axle sleeve internal rotation to realize rotating the pipeline and being connected with fixed pipeline.

Present rotary joint can not adjust length according to the needs that use in the in-process that uses in the existing market to can not be quick convenient when installing connect the pipeline, and can't connect the pipeline of two size differences, the suitability of device is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a high leakproofness rotary joint can effectively solve in the background art and can not adjust length according to the needs that use at the in-process that uses to can not be quick convenient when installing connect the pipeline, and can't connect the relatively poor problem of suitability of device with two pipelines of size difference.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a high-sealing rotary joint comprises a device main body and a connector connected with the device main body through a connecting mechanism;

the connecting mechanism comprises a first fixing ring fixedly connected to the outer side wall of the connector, a spring groove formed in the outer side wall of the first fixing ring, a connecting spring fixedly connected to the bottom of the spring groove, a fixing and locking block fixedly connected to the other end of the connecting spring, a second fixing ring fixedly connected to the end face of the device body, a threaded hole formed in the outer side wall of the second fixing ring, and a fixing pin in threaded connection with the threaded hole, and a fixing mechanism is arranged between the fixing and locking block and the first fixing ring;

the fixed establishment including offer at the spliced eye of solid locking piece lateral wall, offer at the activity groove of first solid fixed ring lateral wall, inlay in the first permanent magnet of activity inslot lateral wall, the activity sets up in the slide bar of activity inslot portion, offer at the spacing groove of activity inslot lateral wall and the second permanent magnet of fixed connection at the slide bar lateral wall, the second permanent magnet slides at the spacing inslot portion, the activity groove is linked together with the spring groove.

Preferably, the quantity of connector has two sets ofly, and sets up about the perpendicular bisector symmetry of device main part, connector and device main part threaded connection.

Preferably, the fixed locking block comprises a cylinder fixedly connected with the connecting spring and a hemisphere fixedly connected to the other end of the cylinder, the outer diameter of the cylinder is equal to the inner diameter of the spring groove, and the plug hole is formed in the outer side wall of the cylinder.

Preferably, the inner diameter of the insertion hole is equal to the outer diameter of the sliding rod, and the central axis of the insertion hole and the central axis of the sliding rod are located on the same plane.

Preferably, the second permanent magnet is annular, and the adjacent positions of the second permanent magnet and the first permanent magnet are mutually attracted.

Preferably, the inner diameter of the threaded hole is equal to the outer diameter of the cylinder, and the depth of the threaded hole is equal to the length of the fixing pin.

Preferably, a sealing groove is formed in one side, close to the device main body, of the first fixing ring, and a sealing ring is fixedly connected to the inside of the sealing groove.

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

the utility model discloses in, be detachable structure because of its device main part and connector, the different connector of adaptation different length and size are come to the use, with this suitability that improves the device, at the in-process of changing the connector, realize selecting suitable connector, later with its and device main part threaded connection, when unable rotation connector, the opening of spring groove will be just to the screw hole this moment, later outwards draw the slide bar, thereby make the slide bar break away from the spliced eye, and first permanent magnet and second permanent magnet adsorb each other, and then fix the slide bar, and solid locking piece will be under coupling spring's effect, partly roll-off spring groove, and in the screw hole of pegging graft, with this coming to fix first stationary ring, prevent that it from appearing not hard up the condition, when needs are dismantled it, at this moment with the fixed pin precession in the screw hole, thereby will gu in the locking piece impels the spring groove completely, and from this comes compression coupling spring, and the opening of spliced eye will just be just to the activity groove this moment, later promote the slide bar, make the slide bar run through the spliced eye to come to fix solid locking piece to fix in the spring groove, with this makes things convenient for its dismantlement.

Drawings

Fig. 1 is a schematic view of a high-sealing rotary internal joint structure of the present invention;

fig. 2 is an enlarged schematic view of a structure a of the high-sealing rotary joint of the present invention shown in fig. 1;

fig. 3 is an enlarged schematic view of a structure B of a high-sealing rotary joint of the present invention shown in fig. 2;

fig. 4 is a schematic perspective view of a connector of a high-sealing rotary joint of the present invention;

fig. 5 is a schematic view of a locking block structure of a high-sealing rotary joint according to the present invention.

In the figure: 1. a device main body; 2. a connector; 3. a first retaining ring; 4. a connecting spring; 5. fixing a locking block; 6. inserting holes; 7. a first permanent magnet; 8. a slide bar; 9. a limiting groove; 10. a second permanent magnet; 11. a second retaining ring; 12. a fixing pin; 13. and (5) sealing rings.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

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 the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, 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, and for example, "connected" may be either fixedly connected or 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 meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1 to 5, the present invention relates to a high-sealing rotary joint, which includes a main body 1, and a connector 2 connected to the main body 1 through a connecting mechanism;

the connecting mechanism comprises a first fixing ring 3 fixedly connected to the outer side wall of the connector 2, a spring groove formed in the outer side wall of the first fixing ring 3, a connecting spring 4 fixedly connected to the bottom of the spring groove, a fixing and locking block 5 fixedly connected to the other end of the connecting spring 4, a second fixing ring 11 fixedly connected to the end face of the device main body 1, a threaded hole formed in the outer side wall of the second fixing ring 11, and a fixing pin 12 in threaded connection with the threaded hole, and a fixing mechanism is arranged between the fixing and locking block 5 and the first fixing ring 3;

the fixed establishment including offer at 5 lateral walls of solid locking pieces spliced eye 6, offer at the 3 lateral walls of first solid fixed ring the movable groove, inlay in the first permanent magnet 7 of movable groove inside wall, the activity sets up in the inside slide bar 8 of movable groove, offer at the spacing groove 9 of movable groove inside wall and fixed connection at the second permanent magnet 10 of 8 lateral walls of slide bar, second permanent magnet 10 slides in spacing groove 9 insides, the movable groove is linked together with the spring groove.

The quantity of connector 2 has two sets ofly, and sets up about the perpendicular bisector symmetry of device main part 1, and connector 2 and device main part 1 threaded connection, because it is detachable structure, so conveniently change connector 2.

The fixed locking block 5 comprises a cylinder fixedly connected with the connecting spring 4 and a hemispheroid fixedly connected with the other end of the cylinder, the outer diameter of the cylinder is equal to the inner diameter of the spring groove, the insertion hole 6 is formed in the outer side wall of the cylinder, and the fixed locking block 5 can slide in the spring groove.

The inner diameter of the plug-in hole 6 is equal to the outer diameter of the sliding rod 8, and the central axis of the plug-in hole 6 and the central axis of the sliding rod 8 are located on the same plane, so that the sliding rod 8 can be plugged into the plug-in hole 6 at a certain position.

The second permanent magnet 10 is annular, and the adjacent portions of the second permanent magnet 10 and the first permanent magnet 7 attract each other, and the slide bar 8 is fixed by the attraction between the first permanent magnet 7 and the second permanent magnet 10.

The internal diameter size of screw hole equals with the external diameter size of cylinder, and the degree of depth of screw hole equals with the length of fixed pin 12, guarantees fixed pin 12 when with screw hole threaded connection, can release the screw hole with solid locking piece 5 completely.

The sealing groove is formed in one side, close to the device main body 1, of the first fixing ring 3, the sealing ring 13 is fixedly connected to the inner portion of the sealing groove, and the sealing performance between the device main body 1 and the connector 2 is improved through the arranged sealing ring 13.

The utility model discloses a theory of operation does: because the device main body 1 and the connector 2 are detachable structures, different connectors 2 can be replaced to adapt to pipelines with different lengths and sizes, so that the applicability of the device is improved, in the process of replacing the connector 2, the proper connector 2 is selected, then the connector 2 is in threaded connection with the device main body 1, when the connector 2 cannot be rotated, the opening of the spring groove is opposite to the threaded hole, then the slide rod 8 is pulled outwards, so that the slide rod 8 is separated from the plug hole 6, the first permanent magnet 7 and the second permanent magnet 10 are mutually adsorbed, the slide rod 8 is further fixed, the fixing block 5 slides out of the spring groove under the action of the connecting spring 4, a part of the fixing block slides out of the spring groove and is inserted into the threaded hole, so that the first fixing ring 3 is fixed, the first fixing ring is prevented from loosening, when the fixing block needs to be detached, the fixing pin 12 is screwed into the threaded hole, so that the fixing block 5 is completely pushed into the spring groove, the connecting spring 4 is compressed, and the opening of the plug hole 6 is opposite to the movable groove, and then the fixing block 8 is pushed to penetrate through the plug hole 6 to fix the fixing block 5 in the spring groove, so that the slide rod is convenient to be detached.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A high leakproofness rotary joint which characterized in that: comprises a device main body (1) and a connector (2) connected with the device main body (1) through a connecting mechanism;

the connecting mechanism comprises a first fixing ring (3) fixedly connected to the outer side wall of the connector (2), a spring groove formed in the outer side wall of the first fixing ring (3), a connecting spring (4) fixedly connected to the bottom of the spring groove, a fixing and locking block (5) fixedly connected to the other end of the connecting spring (4), a second fixing ring (11) fixedly connected to the end face of the device main body (1), a threaded hole formed in the outer side wall of the second fixing ring (11), and a fixing pin (12) in threaded connection with the threaded hole, and a fixing mechanism is arranged between the fixing and locking block (5) and the first fixing ring (3);

fixed establishment sets up in slide bar (8) of activity inslot portion, sets up in spacing groove (9) of activity inslot portion and second permanent magnet (10) of fixed connection at slide bar (8) lateral wall including offering at spliced eye (6) of solid locking piece (5) lateral wall, offering at the activity groove of first solid fixed ring (3) lateral wall, inlaying in the first permanent magnet (7) of activity inslot lateral wall, activity, second permanent magnet (10) slide in spacing groove (9) inside, the activity groove is linked together with the spring groove.

2. A high-sealability rotary joint according to claim 1, wherein: the quantity of connector (2) has two sets ofly, and sets up about the perpendicular bisector symmetry of device main part (1), connector (2) and device main part (1) threaded connection.

3. A high-sealability rotary joint according to claim 2, wherein: the fixed locking block (5) comprises a cylinder fixedly connected with the connecting spring (4) and a hemisphere fixedly connected to the other end of the cylinder, the outer diameter of the cylinder is equal to the inner diameter of the spring groove, and the plug-in hole (6) is formed in the outer side wall of the cylinder.

4. A high-sealability rotary joint according to claim 3, wherein: the inner diameter of the plug-in hole (6) is equal to the outer diameter of the sliding rod (8), and the central axis of the plug-in hole (6) and the central axis of the sliding rod (8) are located on the same plane.

5. A high-sealability rotary joint according to claim 4, wherein: the second permanent magnet (10) is annular, and the adjacent positions of the second permanent magnet (10) and the first permanent magnet (7) are mutually attracted.

6. A high-sealability rotary joint according to claim 5, wherein: the inner diameter of the threaded hole is equal to the outer diameter of the cylinder, and the depth of the threaded hole is equal to the length of the fixing pin (12).

7. A high-sealability rotary joint according to claim 6, wherein: a sealing groove is formed in one side, close to the device main body (1), of the first fixing ring (3), and a sealing ring (13) is fixedly connected to the inner portion of the sealing groove.