CN211398898U

CN211398898U - Pipeline weldless universal rotary joint

Info

Publication number: CN211398898U
Application number: CN201921914169.2U
Authority: CN
Inventors: 张蜀秦
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-09-01
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a pipeline does not have universal rotary joint of welding, including the cavity spheroid, the cavity spheroid is equipped with overcoat and pull ring outward, the cavity spheroid with be equipped with the sealing washer between the overcoat, the surface of sealing washer and the laminating of the toper end inner wall of overcoat, the internal surface of sealing washer and the laminating of the spheroidal spheroid end outer wall of cavity, the hole surface of pull ring with the laminating of the spheroidal spheroid end outer wall of cavity, the straight cylinder end and the staple bolt of overcoat are connected, the staple bolt is one set on pipeline one, the spheroidal straight cylinder end of cavity is connected with staple bolt two, staple bolt two covers on pipeline two. The pipeline weldless universal rotary joint is connected with the pipeline by arranging the hoop, so that the installation process is quicker; the baffle ring provides rigid support for the sealing flat gasket, so that the sealing effect is effectively achieved; the compression columns are tightly pressed on the outer surface of the pipeline, so that the effects of increasing friction and enhancing fixation are achieved.

Description

Pipeline weldless universal rotary joint

Technical Field

The utility model relates to a pipe connection technical field particularly, relates to a universal rotary joint of pipeline solderless.

Background

Chinese patent with application number 2009200329367 (No. CN 201723880U) discloses a universal swivel joint without welding for pipeline, which is composed of a taper sleeve with teeth at the opening, a taper pull sleeve, a cavity ball, a pull sleeve, a sealed big sleeve and other parts, and has the problems of more parts, complex installation process, less friction and insecure connection.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned technical problem among the correlation technique, the utility model provides a pipeline does not have universal rotary joint of welding can overcome prior art's the aforesaid not enough.

In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:

a pipeline welding-free universal rotary joint comprises a cavity ball body, wherein a big sleeve and a pull ring are arranged outside the cavity ball body, a sealing ring is arranged between the cavity ball body and the big sleeve, the outer surface of the sealing ring is attached to the inner wall of the conical end of the big sleeve, the inner surface of the sealing ring is attached to the outer wall of the ball end of the cavity ball body, the shape of an inner hole of the pull ring is the same as the spherical arc of the cavity ball body, the surface of the inner hole of the pull ring is attached to the outer wall of the ball end of the cavity ball body, the straight cylinder end of the big sleeve is connected with a hoop I, the hoop I is sleeved on a pipeline I, the straight cylinder end of the cavity ball body is connected with a hoop II, and the hoop II is;

the utility model discloses a novel big cover of drawing, including the big cover of drawing, the big cover of drawing is provided with a plurality of ears that draw, the straight bobbin end outer wall of big cover evenly is equipped with a plurality of ears that draw two along circumference, the spheroidal spheroid end outer wall of cavity evenly is equipped with a plurality of ears that draw three along circumference, the spheroidal straight bobbin end outer wall of cavity evenly is equipped with a plurality of ears that draw four along circumference, the outer wall of staple bolt one evenly is equipped with a plurality of ears that draw five along circumference, the outer wall of staple bolt two evenly is equipped with a plurality of ears that draw six along circumference, draw ear one with draw ear five through screw one and nut fixed connection, draw ear two with draw ear three to cross screw three and nut fixed connection, draw ear four with draw ear six through screw two and nut fixed connection.

Further, be equipped with compression leg one on staple bolt one, the bottom of compression leg one is passed through-hole on the staple bolt one with the outer wall laminating of pipeline one, the top that is the inclined plane of compression leg one with the main aspects laminating of screw one, be equipped with compression leg two on the staple bolt two, the bottom of compression leg two is passed through-hole on the staple bolt two with the outer wall laminating of pipeline two, the top that is the inclined plane of compression leg two with the main aspects laminating of screw two, the opening part of staple bolt one passes through a fastening screw fixed connection, the opening part of staple bolt two passes through a fastening screw two fixed connection.

Furthermore, the inner wall of the large sleeve straight cylinder end is provided with a first baffle ring, the first baffle ring and the large sleeve are integrally formed, the inner wall of the cavity ball straight cylinder end is provided with a second baffle ring, and the second baffle ring and the cavity ball are integrally formed.

Further, a first sealing flat gasket is arranged between the port of the first pipeline and the first baffle ring; and a second sealing flat gasket is arranged between the port of the second pipeline and the second baffle ring.

The utility model has the advantages that: the hoop is arranged to be connected with the pipeline, so that the installation process is quicker; the baffle ring provides rigid support for the sealing flat gasket, so that the sealing effect is effectively achieved; the compression columns are tightly pressed on the outer surface of the pipeline, so that the effects of increasing friction and enhancing fixation are achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a half-sectional view of a pipe weldless universal swivel according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a hoop i according to an embodiment of the present invention;

in the figure: 1. the sealing device comprises a hoop I, 2, a compression leg I, 3, a screw I, 4, a pull ear V, 5, a pull ear I, 6, a cavity ball body, 7, a pull ear II, 8, a pull ear III, 9, a screw III, 10, a fastening screw I, 11, a pipeline I, 12, a sealing flat gasket I, 13, a baffle ring I, 14, a sealing ring, 15, a pull ring, 16, a large sleeve, 17, a hoop II, 18, a compression leg II, 19, a screw II, 20, a pull ear VI, 21, a pull ear IV, 22, a fastening screw II, 23, a pipeline II, 24, a sealing flat gasket II, 25, a baffle ring II, 26 and a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

As shown in fig. 1-2, according to the embodiment of the present invention, a pipeline weldless universal swivel joint includes a cavity ball 6, a large sleeve 16 and a pull ring 15 are disposed outside the cavity ball 6, a seal ring 14 is disposed between the cavity ball 6 and the large sleeve 16, an outer surface of the seal ring 14 is attached to an inner wall of a tapered end of the large sleeve 16, an inner surface of the seal ring 14 is attached to an outer wall of a ball end of the cavity ball 6, an inner hole shape of the pull ring 15 is the same as a spherical arc of the cavity ball 6, an inner hole surface of the pull ring 15 is attached to an outer wall of the ball end of the cavity ball 6, a straight cylinder end of the large sleeve 16 is connected to a hoop i 1, the hoop i 1 is sleeved on a pipeline i 11, a straight cylinder end of the cavity ball 6 is connected to a hoop ii 17, and the hoop ii 17 is sleeved on a pipeline ii 23;

the straight bobbin end outer wall of big cover 16 evenly is equipped with a plurality of ears that draw one 5 along circumference, the toper end outer wall of big cover 16 evenly is equipped with a plurality of ears that draw two 7 along circumference, the spheroid end outer wall of cavity spheroid 6 evenly is equipped with a plurality of ears that draw three 8 along circumference, the straight bobbin end outer wall of cavity spheroid 6 evenly is equipped with a plurality of ears that draw four 21 along circumference, the outer wall of staple bolt 1 evenly is equipped with a plurality of ears that draw five 4 along circumference, the outer wall of staple bolt two 1 evenly is equipped with a plurality of ears that draw six 20 along circumference, draw one 5 of ears with draw five 4 to pass through screw one 3 and nut 26 fixed connection, draw two 7 of ears with draw three 8 of ears to pass through screw three 9 and nut 26 fixed connection, draw four 21 of ears with draw six 20 of ears to pass through screw two 19 and nut 26 fixed connection.

Be equipped with compression leg one 2 on staple bolt one 1, the bottom of compression leg one 2 is passed through-hole on staple bolt one 1 with the outer wall laminating of pipeline one 1, the top that is the inclined plane of compression leg one 2 with the main aspects laminating of screw one 3, be equipped with compression leg two 18 on the staple bolt two 17, the bottom of compression leg two 18 is passed through-hole on the staple bolt two 17 with the outer wall laminating of pipeline two 23, the top that is the inclined plane of compression leg two 18 with the main aspects laminating of screw two 19), the opening part of staple bolt one 1 passes through fastening screw one 10 fixed connection, the opening part of staple bolt two 17 passes through fastening screw two 22 fixed connection.

The inner wall of the straight cylinder end of the large sleeve 16 is provided with a first blocking ring 13, the first blocking ring 13 and the large sleeve 16 are integrally formed, the inner wall of the straight cylinder end of the cavity ball body 6 is provided with a second blocking ring 25, and the second blocking ring 25 and the cavity ball body 6 are integrally formed.

A sealing flat gasket I12 is arranged between the port of the pipeline I11 and the baffle ring I13; and a second sealing flat gasket 24 is arranged between the port of the second pipeline 23 and the second baffle ring 25.

For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention are explained in detail through specific use modes below.

When the pipeline fixing device is used specifically, the anchor ear I1 is sleeved on the pipeline I11, the fastening screw I10 is fastened, the open anchor ear I1 deforms and contracts, and the anchor ear is firmly anchored on the pipeline I11. And (3) rotating the first screw, pulling the large sleeve 16 towards one end of the 11 port of the first pipeline by the first pull lug 5 on the large sleeve 16 and the fifth pull lug 4 on the hoop I1, and finally enabling the first sealing flat gasket 12 in the large sleeve 16 to be tightly attached to the end face of the 11 port of the first pipeline along with the continuous screwing of the first screw 3, and providing rigid support for the first sealing flat gasket 12 by the first baffle ring 13 integrated with the large sleeve 16. When screwing in, the big end of the first screw 3 presses the inclined plane of the first compression leg 2, and the first compression leg 2 is gradually pressed on the outer surface of the first pipeline 11 through the change of the size height difference of the inclined plane, so that the effects of increasing friction and enhancing fixation are achieved.

A sealing ring 14 is arranged in the big sleeve, the outer surface of the sealing ring is attached to the conical inner wall of the big end of the big sleeve 16, the inner surface of the sealing ring is attached to the spherical outer wall of the cavity ball body 6, a screw III 9 is screwed in, a pull lug III 8 integrated with a pull ring 15 is combined with a pull lug II 7 on the big sleeve to pull the cavity ball body 6 to the big sleeve 16, and in the process, the sealing ring 14 is compressed and deformed from big to small in the conical cavity of the big sleeve 16, so that the big sleeve 16 and the cavity ball body 6 are closely attached through an intermediate body of the sealing ring 14, and the sealing effect.

In conclusion, by means of the technical scheme of the utility model, the installation process is faster by arranging the hoop to be connected with the pipeline; the baffle ring provides rigid support for the sealing flat gasket, so that the sealing effect is effectively achieved; the compression columns are tightly pressed on the outer surface of the pipeline, so that the effects of increasing friction and enhancing fixation are achieved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The pipeline welding-free universal rotary joint comprises a cavity ball body (6), wherein a large sleeve (16) and a pull ring (15) are arranged outside the cavity ball body (6), a sealing ring (14) is arranged between the cavity ball body (6) and the large sleeve (16), the outer surface of the sealing ring (14) is attached to the inner wall of the conical end of the large sleeve (16), the inner surface of the sealing ring (14) is attached to the outer wall of the ball end of the cavity ball body (6), the shape of the inner hole of the pull ring (15) is the same as the spherical circular arc of the cavity ball body (6), the surface of the inner hole of the pull ring (15) is attached to the outer wall of the ball end of the cavity ball body (6), the pipeline welding-free universal rotary joint is characterized in that the straight cylinder end of the large sleeve (16) is connected with a hoop I (1), the hoop I (1) is sleeved on a pipeline I (11), and the straight cylinder end of the cavity ball body (6) is, the hoop II (17) is sleeved on the pipeline II (23);

a plurality of first pull lugs (5) are uniformly arranged on the outer wall of the straight cylinder end of the large sleeve (16) along the circumferential direction, a plurality of second pull lugs (7) are uniformly arranged on the outer wall of the conical end of the large sleeve (16) along the circumferential direction, a plurality of pulling lugs III (8) are uniformly arranged on the outer wall of the ball body end of the cavity ball body (6) along the circumferential direction, a plurality of four pull lugs (21) are uniformly arranged on the outer wall of the straight cylinder end of the hollow sphere (6) along the circumferential direction, a plurality of pull lugs (4) are uniformly arranged on the outer wall of the hoop I (1) along the circumferential direction, a plurality of pull lugs six (20) are uniformly arranged on the outer wall of the hoop II (17) along the circumferential direction, the first pull lug (5) and the fifth pull lug (4) are fixedly connected through a first screw (3) and a nut (26), the second pull lug (7) and the third pull lug (8) are fixedly connected through a third screw (9) and a nut (26), the pull lug IV (21) and the pull lug VI (20) are fixedly connected through a screw II (19) and a nut (26).

2. The pipe weldless universal rotary joint according to claim 1, characterized in that the hoop I (1) is provided with a compression column I (2), the bottom end of the first compression leg (2) penetrates through the through hole on the hoop I (1) to be attached to the outer wall of the first pipeline (11), the top end of the first compression leg (2) which is in an inclined plane is attached to the large end of the first screw (3), a second compression column (18) is arranged on the second hoop (17), the bottom end of the second compression column (18) penetrates through the through hole on the second hoop (17) to be attached to the outer wall of the second pipeline (23), the top end of the second compression leg (18) which is in an inclined plane is attached to the large end of the second screw (19), the opening of the hoop I (1) is fixedly connected through a fastening screw I (10), the opening of the hoop II (17) is fixedly connected through a fastening screw II (22).

3. The pipe weldless universal rotary joint according to claim 1, characterized in that the inner wall of the straight cylinder end of the large sleeve (16) is provided with a first baffle ring (13), the first baffle ring (13) is integrally formed with the large sleeve (16), the inner wall of the straight cylinder end of the cavity sphere (6) is provided with a second baffle ring (25), and the second baffle ring (25) is integrally formed with the cavity sphere (6).

4. The pipe weldless universal rotary joint according to the claim 3, characterized in that a sealing flat gasket I (12) is arranged between the port of the pipe I (11) and the baffle ring I (13); and a second sealing flat gasket (24) is arranged between the port of the second pipeline (23) and the second baffle ring (25).