CN216555878U

CN216555878U - Swivel joint with large swivel angle

Info

Publication number: CN216555878U
Application number: CN202122729946.XU
Authority: CN
Inventors: 严浩; 陈昌峰
Original assignee: Jianhu Tejia Hydraulic Pipe Fittings Co ltd
Current assignee: Jianhu Tejia Hydraulic Pipe Fittings Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-05-17
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a swivel joint with a large swivel angle, which has the technical scheme key points that: the dust-proof device comprises a rotating shaft and a rotating body, wherein one end of the rotating shaft is axially inserted into the rotating body from one side of the rotating body, one side of the rotating shaft is provided with a first flange part, and a dust ring is fixedly mounted on the first flange part; one side of the dust ring is connected with the end face of the revolving body, one side of the first flange part is provided with a first sealing ring, the first sealing ring is installed on one side of the revolving shaft, one side of the revolving body is provided with a second sealing ring, the second sealing ring is installed on the other side of the revolving shaft, the rotation is facilitated through the matching of the revolving shaft and the revolving body, the revolving angle is large, the interference between pipelines is not agreed, the service life of the pipelines is prolonged, and the sealing performance of the connection of the revolving shaft and the revolving body is improved through the first sealing ring and the second sealing ring.

Description

Swivel joint with large swivel angle

Technical Field

The utility model relates to the technical field of pipeline connecting joints, in particular to a rotary joint with a large rotation angle.

Background

Swivel joints can be divided into: single-loop swivel joint, double-loop swivel joint. The loop rotary joint can select a connection mode according to the working condition, the transmission medium inlet can freely select the side edge or the rear end to enter according to the working condition, the sealing surface and the sealing ring are made of special materials, the loop rotary joint is wear-resistant, long in service life, corrosion-resistant and leak-free, two precise bearings are arranged in the rotary joint, the operation is stable and durable, firm and flexible, the friction coefficient is small, and the loop rotary joint can operate at high speed.

When the existing rotary joint is used, the rotary angle is small, the operation and the maintenance are inconvenient, the interference is easy to occur between pipelines, the service life of the pipelines is short, the sealing effect is poor, and the dustproof effect is not facilitated.

SUMMERY OF THE UTILITY MODEL

In view of the problems mentioned in the background art, the present invention aims to provide a swivel joint with a large swivel angle to solve the problems mentioned in the background art.

The technical purpose of the utility model is realized by the following technical scheme:

a rotary joint with a large rotation angle comprises a rotary shaft and a rotary body, wherein one end of the rotary shaft is axially inserted into the rotary body from one side of the rotary body, one side of the rotary shaft is provided with a first flange part, and a dust ring is fixedly arranged on the first flange part;

one side of the dust ring is connected with the end face of the revolving body, one side of the first flange part is provided with a first sealing ring, the first sealing ring is installed on one side of the revolving shaft, one side of the revolving body is provided with a second sealing ring, the second sealing ring is installed on the other side of the revolving shaft, the revolving shaft is provided with an oil drainage through hole, and one side of the oil drainage through hole is provided with a main oil way hole and two low-pressure oil way holes.

Through adopting above-mentioned technical scheme, the connection of the pipeline of being convenient for through the first flange portion that is equipped with, the dust ring that is favorable to reducing the clearance of revolving axle and the solid of revolution through being equipped with, prevent inside the dust gets into the revolving axle, influence rotation effect, cooperation through revolving axle and the solid of revolution, convenient rotation, and the angle of gyration is great, make between each pipeline disappointing take place to interfere, be favorable to improving the life of pipeline, be favorable to improving the sealing performance that revolving axle and solid of revolution are connected through first sealing washer and the second sealing washer that is equipped with, the stability that has improved when this rotary joint rotates.

Preferably, one side of the revolving body is provided with a step groove, and an end cover is arranged in the step groove.

Through adopting above-mentioned technical scheme, the installation of the end cover is convenient for through the ladder groove that is equipped with, is convenient for the block in the rotor when the installation.

Preferably, the end cover is provided with a strip-shaped groove communicated with the oil drainage through hole.

Through adopting above-mentioned technical scheme, the bar groove that sets up on through the end cover communicates with each other with the draining through-hole, makes things convenient for the draining through-hole to drip.

Preferably, a plurality of threaded holes are formed in one side end face of the rotating shaft, a plurality of first stepped holes are formed in the end cover, and the threaded holes correspond to the first stepped holes.

By adopting the technical scheme, the threaded holes correspond to the first stepped holes, so that the end cover can be conveniently fixed on one side end face of the rotating shaft through screws.

Preferably, the revolving body is provided with a main oil through hole and two branch oil through holes, the main oil through hole is communicated with the main oil way hole, and the two branch oil through holes are respectively communicated with the two low-pressure oil way holes.

By adopting the technical scheme, the main oil through hole is communicated with the main oil way hole, so that a pipeline arranged on the main oil through hole is communicated with the main oil way hole, the two branch oil through holes are communicated with the low-pressure oil way hole, and a pipeline arranged on the branch oil through hole is communicated with the low-pressure oil way hole.

Preferably, one side of the revolving body is provided with a second flange part, and the second flange part is provided with a plurality of mounting preformed holes distributed at equal intervals.

Through adopting above-mentioned technical scheme, the installation and the fixed of the solid of revolution of being convenient for through the second flange portion that is equipped with.

Preferably, the main oil passing port and the two branch oil passing ports are provided with second stepped holes, and the main oil passing port and the two branch oil passing ports are provided with chamfers.

Through adopting above-mentioned technical scheme, the installation of the pipeline of being convenient for is led to the second ladder hole that hydraulic fluid port and two prop up hydraulic fluid ports all set up to main hydraulic fluid port, and the chamfer that is equipped with is favorable to reducing the main concentration of stress on hydraulic fluid port and two prop up hydraulic fluid ports.

In summary, the utility model mainly has the following beneficial effects:

in the rotary joint with a large rotation angle, the pipelines can be conveniently connected through the first flange part, the clearance between the rotary shaft and the rotary body can be reduced through the dust ring, dust can be prevented from entering the rotary shaft to influence the rotation effect, the rotary joint can be conveniently rotated through the matching of the rotary shaft and the rotary body, the rotation angle is large, the pipelines are not coincidently interfered, and the service life of the pipelines can be prolonged;

secondly, in the swivel joint with a large swivel angle, the first sealing ring and the second sealing ring are arranged to facilitate the improvement of the sealing performance of the connection between the swivel shaft and the swivel body, and the swivel joint improves the stability during rotation.

Drawings

FIG. 1 is one of the schematic structural diagrams of the present invention;

FIG. 2 is a second schematic structural diagram of the present invention;

FIG. 3 is a structural cross-sectional view of the present invention;

reference numerals: 1. a rotating shaft; 2. a revolving body; 3. a first flange portion; 4. a dust ring; 5. a first seal ring; 6. a second seal ring; 7. a stepped groove; 8. an end cap; 9. an oil drainage through hole; 10. a main oil passage hole; 11. a low pressure oil passage hole; 12. a strip-shaped groove; 13. a threaded hole; 14. a first stepped hole; 15. a main oil through opening; 16. a branch oil through hole; 17. a second flange portion; 18. mounting a preformed hole; 19. a second stepped bore.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, a swivel joint with a large swivel angle comprises a swivel shaft 1 and a swivel body 2, wherein one end of the swivel shaft 1 is axially inserted into the swivel body 2 from one side of the swivel body 2, one side of the swivel shaft 1 is provided with a first flange part 3, and a dust ring 4 is fixedly mounted on the first flange part 3;

one side of the dust ring 4 is connected with the end face of the revolving body 2, one side of the first flange part 3 is provided with a first sealing ring 5, the first sealing ring 5 is installed on one side of the revolving shaft 1, one side of the revolving body 2 is provided with a second sealing ring 6, the second sealing ring 6 is installed on the other side of the revolving shaft 1, the revolving shaft 1 is provided with an oil drainage through hole 9, and one side of the oil drainage through hole 9 is provided with a main oil way hole 10 and two low-pressure oil way holes 11.

Referring to fig. 3, a stepped groove 7 is formed in one side of the rotator 2, an end cover 8 is installed in the stepped groove 7, and the installation of the end cover 8 is facilitated through the stepped groove 7, so that the end cover is conveniently clamped in the rotator 2 during installation.

Referring to fig. 1, the end cover 8 is provided with a strip-shaped groove 12 communicated with the oil drainage through hole 9, and the strip-shaped groove 12 arranged on the end cover 8 is communicated with the oil drainage through hole 9, so that oil drainage is performed through the oil drainage through hole 9 conveniently.

Referring to fig. 3, a plurality of threaded holes 13 are formed in one end surface of the rotating shaft 1, a plurality of first stepped holes 14 are formed in the end cover 8, the threaded holes 13 correspond to the first stepped holes 14, and the threaded holes 13 correspond to the first stepped holes 14, so that the end cover 8 can be conveniently fixed to one end surface of the rotating shaft 1 by screws.

Referring to fig. 1, a main oil through port 15 and two branch oil through ports 16 are formed in a revolving body 2, the main oil through port 15 is communicated with a main oil path hole 10, the two branch oil through ports 16 are respectively communicated with two low-pressure oil path holes 11, the main oil through port 15 is communicated with the main oil path hole 10, a pipeline mounted on the main oil through port 15 is conveniently communicated with the main oil path hole 10, the two branch oil through ports 16 are communicated with the low-pressure oil path holes 11, and a pipeline mounted on the branch oil through ports 16 is conveniently communicated with the low-pressure oil path holes 11.

Referring to fig. 2, one side of the rotator 2 is provided with a second flange portion 17, and the second flange portion 17 is provided with a plurality of mounting prepared holes 18 distributed at equal intervals, so that the rotator 2 can be mounted and fixed conveniently through the second flange portion 17.

Referring to fig. 1, the main oil opening 15 and the two oil openings 16 are provided with second stepped holes 19, the main oil opening 15 and the two oil openings 16 are provided with chamfers, the main oil opening 15 and the two oil openings 16 are provided with second stepped holes 19, the pipeline is convenient to install, and the chamfers are beneficial to reducing stress concentration on the main oil opening 15 and the two oil openings 16.

The use principle and the advantages are as follows:

this swivel joint that gyration angle is big is when using, rotate through revolving axle 1 and install on the solid of revolution 2, convenient rotation, and the angle of gyration is great, make between each pipeline disappointing take place to interfere, be favorable to improving the life of pipeline, be favorable to reducing the clearance of revolving axle 1 and the solid of revolution 2 through dust ring 4, prevent that the dust from getting into revolving axle 1 inside, influence the rotation effect, be favorable to improving the sealing performance that revolving axle 1 and the solid of revolution 2 are connected through first sealing washer 5 and second sealing washer 6, the stability that has improved when this swivel joint rotates.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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

1. The utility model provides a swivel joint that gyration angle is big, includes revolving axle (1) and solid of revolution (2), its characterized in that: one end of the rotating shaft (1) is axially inserted into the rotating body (2) from one side of the rotating body (2), a first flange part (3) is arranged on one side of the rotating shaft (1), and a dust ring (4) is fixedly mounted on the first flange part (3);

one side of dust ring (4) with the solid of revolution (2) terminal surface is connected, one side of first flange portion (3) is provided with first sealing washer (5), install first sealing washer (5) one side of revolving axle (1), one side of the solid of revolution (2) is provided with second sealing washer (6), install second sealing washer (6) the opposite side of revolving axle (1), be provided with draining through-hole (9) on revolving axle (1), one side of draining through-hole (9) is provided with main oil circuit hole (10) and two low pressure oil circuit holes (11).

2. The swivel joint with a large swivel angle of claim 1, wherein: one side of the revolving body (2) is provided with a stepped groove (7), and an end cover (8) is installed in the stepped groove (7).

3. A swivel joint with a large swivel angle according to claim 2, wherein: and a strip-shaped groove (12) communicated with the oil drainage through hole (9) is formed in the end cover (8).

4. A swivel joint with a large swivel angle according to claim 2, wherein: the end face of one side of the rotating shaft (1) is provided with a plurality of threaded holes (13), the end cover (8) is provided with a plurality of first stepped holes (14), and the threaded holes (13) correspond to the first stepped holes (14).

5. The swivel joint with a large swivel angle of claim 1, wherein: the rotary body (2) is provided with a main oil through hole (15) and two branch oil through holes (16), the main oil through hole (15) is communicated with the main oil way hole (10), and the two branch oil through holes (16) are respectively communicated with the two low-pressure oil way holes (11).

6. The swivel joint with a large swivel angle of claim 1, wherein: one side of the revolving body (2) is provided with a second flange part (17), and a plurality of mounting preformed holes (18) distributed at equal intervals are arranged on the second flange part (17).

7. The swivel joint with a large swivel angle of claim 5, wherein: the main oil through port (15) and the two branch oil through ports (16) are provided with second stepped holes (19), and the main oil through port (15) and the two branch oil through ports (16) are provided with chamfers.