CN219796516U - Leak-proof hydraulic articulated joint - Google Patents

Leak-proof hydraulic articulated joint Download PDF

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Publication number
CN219796516U
CN219796516U CN202321196056.XU CN202321196056U CN219796516U CN 219796516 U CN219796516 U CN 219796516U CN 202321196056 U CN202321196056 U CN 202321196056U CN 219796516 U CN219796516 U CN 219796516U
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CN
China
Prior art keywords
joint
wall
sleeve
main
groove
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CN202321196056.XU
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Chinese (zh)
Inventor
陈银功
缪会永
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Pafas Ningbo Fluid Power Co ltd
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Pafas Ningbo Fluid Power Co ltd
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Abstract

The utility model discloses a leakage-proof hydraulic hinged joint, which comprises a main joint sleeve, wherein a circulation cavity is arranged at the central position inside the main joint sleeve, an upper threaded interface is arranged at the central position of the top of the main joint sleeve, the bottom end of the upper threaded interface is communicated with the top end of the circulation cavity, a lower threaded interface is arranged at the central position of the bottom of the main joint sleeve, the top end of the lower threaded interface is communicated with the bottom end of the circulation cavity, a first joint body is connected with the internal threads of the upper threaded interface, a second joint body is connected with the internal threads of the lower threaded interface, and an auxiliary joint sleeve is movably connected on the outer wall of one side of the main joint sleeve. The utility model not only achieves the purpose of preventing leakage, but also reduces the leakage phenomenon in the medium conveying process, is convenient for rotating the first joint body and the second joint body to disassemble and assemble the first joint body and the second joint body, further improves the convenience of overhauling and maintaining the hydraulic articulated joint, and can adjust the angle of the drain tank connected with the pipeline according to the requirement.

Description

Leak-proof hydraulic articulated joint
Technical Field
The utility model relates to the technical field of pipe joints, in particular to a leakage-proof hydraulic hinged joint.
Background
The pipe joint is a part for connecting a pipeline or mounting the pipeline on a hydraulic element in a hydraulic system, which is a generic name of a connecting piece capable of being assembled and disassembled in a fluid passage, and along with the rapid development of society, various pipe joints are required to be used in different occasions, so that corresponding hydraulic articulated joints are derived.
The current hydraulic articulated joint can better satisfy the connection of pipeline, it mainly is provided with parts such as joint body and joint cover, specifically is with the inside of joint cover is located to joint body cover, and be swing joint's state between the two, can make up and form hydraulic articulated joint to be used for connecting the pipeline and satisfying the transportation of medium, according to above-mentioned, this hydraulic articulated joint can satisfy the connection of pipeline, but is generally inconvenient to carry out multiple sealing treatment, leads to the easy phenomenon that leaks that produces in the medium transportation process, still needs to be improved.
Disclosure of Invention
The utility model aims to provide a leakage-proof hydraulic hinged joint, so as to solve the problem that the leakage phenomenon is easy to occur in the medium conveying process because the hydraulic hinged joint can meet the connection of pipelines but is generally inconvenient to carry out multiple sealing treatment.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a leak protection hydraulic hinge joint, includes the main joint cover, the inside central point department of main joint cover is equipped with the circulation chamber, the central point department at main joint cover top is equipped with screwed joint, the bottom of going up screwed joint is linked together with the top of circulation chamber, the central point department of main joint cover bottom is equipped with screwed joint down, the top of screwed joint is linked together with the bottom of circulation chamber down, the internal thread who goes up screwed joint has a first joint body, the top of first joint body extends to the outside of last screwed joint, the internal thread who goes down screwed joint has a second joint body, the bottom of second joint body extends to the outside of screwed joint down, swing joint has the auxiliary joint cover on the outer wall of main joint cover one side, the auxiliary joint cover is equipped with annular spacing groove on being close to the outer wall of main joint one side, the inside both sides of annular spacing groove all sliding connection has the stopper, the one end of stopper extends to the outside of annular spacing groove and with the outer wall fixed connection of main joint.
Preferably, a first liquid inlet groove is arranged at the central position inside the first connector body, two ends of the first liquid inlet groove extend to the outside of the first connector body, and the first liquid inlet groove is connected with an external liquid supply pipeline so as to convey a medium to the inside of the circulation cavity through the first liquid inlet groove.
Preferably, the central position department of assisting the adapter cover inside is equipped with the liquid drain groove, the one end of liquid drain groove extends to the outside of assisting the adapter cover, the other end of liquid drain groove is linked together with the one end of circulation chamber, be equipped with the third sealing washer on the inner wall of liquid drain groove and circulation chamber hookup location department, the outer wall of third sealing washer one end and the inner wall fixed connection of liquid drain groove, the outer wall of third sealing washer other end touches with the inner wall of circulation chamber mutually, through setting up the third sealing washer in the hookup location department of liquid drain groove and circulation chamber to reach sealed purpose.
Preferably, a second liquid inlet groove is arranged at the central position inside the second connector body, two ends of the second liquid inlet groove extend to the outside of the second connector body, and the second liquid inlet groove is connected with an external liquid supply pipeline so as to convey the medium to the inside of the circulation cavity through the second liquid inlet groove.
Preferably, a first sealing ring is fixed on the inner wall of one end of the upper threaded interface, and the inner wall of the first sealing ring is contacted with the outer wall of the first joint body, so that the purpose of sealing is achieved by arranging the first sealing ring at the connection position of the upper threaded interface and the first joint body.
Preferably, a second sealing ring is fixed on the inner wall of one end of the lower threaded interface, and the inner wall of the second sealing ring is contacted with the outer wall of the second joint body, so that the purpose of sealing is achieved by arranging the second sealing ring at the connection position of the lower threaded interface and the second joint body.
Compared with the prior art, the utility model has the beneficial effects that: the leakage-proof hydraulic hinged joint not only achieves the purpose of leakage prevention, but also reduces the leakage phenomenon in the medium conveying process, is convenient for rotating the first joint body and the second joint body to disassemble and assemble, further improves the convenience of the hydraulic hinged joint during overhauling and maintenance, and can adjust the angle of the drain tank connected to a pipeline according to the requirement;
(1) The first sealing ring is arranged at the connection position of the first joint body and the upper threaded interface, the second sealing ring is arranged at the connection position of the second joint body and the lower threaded interface, the purpose of primary sealing can be achieved, and the third sealing ring is arranged at the connection position of the circulation cavity and the liquid discharge groove, so that the hydraulic hinged joint can be further subjected to sealing treatment, the purpose of leakage prevention is achieved, and the leakage phenomenon in the medium conveying process is reduced;
(2) The lower end of the first joint body is in threaded connection with the upper threaded interface, and the upper end of the second joint body is positioned between the lower threaded interfaces and in threaded connection, so that the first joint body and the second joint body can be rotated to be disassembled and assembled conveniently, and convenience in overhauling and maintaining the hydraulic articulated joint is improved;
(3) Through rotatory auxiliary joint cover, make it drive the stopper and be located the inside of annular spacing groove and slide, can make auxiliary joint cover be located and rotate on the outer wall of main joint cover one side to can adjust the angle that the flowing back groove inserted the pipeline as required.
Drawings
FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of a main joint sleeve and an auxiliary joint sleeve according to the present utility model;
FIG. 3 is a schematic diagram showing the front view of the main joint cover and the auxiliary joint cover according to the present utility model;
fig. 4 is a schematic cross-sectional enlarged structure of a second joint body according to the present utility model.
In the figure: 1. a main joint sleeve; 2. a flow-through chamber; 3. a first seal ring; 4. a first joint body; 5. a first liquid inlet tank; 6. an annular limiting groove; 7. a third seal ring; 8. a liquid discharge tank; 9. an auxiliary joint sleeve; 10. a limiting block; 11. a second joint body; 12. a second liquid inlet tank; 13. a second seal ring; 14. an upper threaded interface; 15. and a lower threaded interface.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, an embodiment of the present utility model is provided: the anti-leakage hydraulic hinged joint comprises a main joint sleeve 1, wherein a circulation cavity 2 is arranged at the central position inside the main joint sleeve 1, an upper threaded interface 14 is arranged at the central position of the top of the main joint sleeve 1, the bottom end of the upper threaded interface 14 is communicated with the top end of the circulation cavity 2, a first sealing ring 3 is fixed on the inner wall of one end of the upper threaded interface 14, and the inner wall of the first sealing ring 3 is contacted with the outer wall of a first joint body 4;
when in use, the first sealing ring 3 is arranged at the connecting position of the upper threaded interface 14 and the first joint body 4 so as to achieve the aim of sealing;
a lower threaded interface 15 is arranged at the center of the bottom of the main joint sleeve 1, the top end of the lower threaded interface 15 is communicated with the bottom end of the circulation cavity 2, a second sealing ring 13 is fixed on the inner wall of one end of the lower threaded interface 15, and the inner wall of the second sealing ring 13 is contacted with the outer wall of the second joint body 11;
when in use, the second sealing ring 13 is arranged at the connecting position of the lower threaded interface 15 and the second joint body 11 so as to achieve the aim of sealing;
the inner thread of the upper thread interface 14 is connected with the first joint body 4, the top end of the first joint body 4 extends to the outer part of the upper thread interface 14, a first liquid inlet groove 5 is arranged at the central position of the inner part of the first joint body 4, and both ends of the first liquid inlet groove 5 extend to the outer part of the first joint body 4;
when in use, the first liquid inlet groove 5 is connected with an external liquid supply pipeline so as to convey the medium to the inside of the circulation cavity 2 through the first liquid inlet groove 5;
the inner thread of the lower thread connector 15 is connected with a second connector body 11, the bottom end of the second connector body 11 extends to the outer part of the lower thread connector 15, a second liquid inlet groove 12 is arranged at the central position of the inner part of the second connector body 11, and both ends of the second liquid inlet groove 12 extend to the outer part of the second connector body 11;
in use, the second liquid inlet tank 12 is connected with an external liquid supply pipeline so as to convey the medium to the inside of the circulation cavity 2 through the second liquid inlet tank 12;
an auxiliary joint sleeve 9 is movably connected to the outer wall of one side of the main joint sleeve 1, a liquid discharge groove 8 is arranged at the central position inside the auxiliary joint sleeve 9, one end of the liquid discharge groove 8 extends to the outside of the auxiliary joint sleeve 9, the other end of the liquid discharge groove 8 is communicated with one end of the circulation cavity 2, a third sealing ring 7 is arranged on the inner wall of the connection position of the liquid discharge groove 8 and the circulation cavity 2, the outer wall of one end of the third sealing ring 7 is fixedly connected with the inner wall of the liquid discharge groove 8, and the outer wall of the other end of the third sealing ring 7 is contacted with the inner wall of the circulation cavity 2;
when in use, the third sealing ring 7 is arranged at the connecting position of the liquid discharge groove 8 and the circulation cavity 2 so as to achieve the aim of sealing;
the outer wall of the auxiliary joint sleeve 9, which is close to one side of the main joint sleeve 1, is provided with a circular limiting groove 6, both sides inside the circular limiting groove 6 are slidably connected with limiting blocks 10, and one end of each limiting block 10 extends to the outside of the circular limiting groove 6 and is fixedly connected with the outer wall of the main joint sleeve 1.
When the embodiment of the utility model is used, firstly, the first liquid inlet groove 5 and the second liquid inlet groove 12 are connected with the pipeline for supplying liquid from outside, as the first liquid inlet groove 5 and the second liquid inlet groove 12 are in a communicating state with the circulation cavity 2, medium can be conveyed to the inside of the circulation cavity 2 through the first liquid inlet groove 5 and the second liquid inlet groove 12 by the external pipeline, the circulation cavity 2 and the liquid outlet groove 8 are in a communicating state, and the liquid outlet pipeline is connected by the liquid outlet groove 8, so that medium in the circulation cavity 2 flows into the inside of the liquid outlet groove 8 and is discharged by the liquid outlet pipeline, then, the first sealing ring 3 is arranged at the connecting position of the first joint body 4 and the upper threaded interface 14, the second sealing ring 13 is arranged at the connecting position of the second joint body 11 and the lower threaded interface 15, the primary sealing can be achieved, then, the hydraulic hinge joint can be further subjected to sealing treatment by arranging the third sealing ring 7 at the connecting position of the circulation cavity 2 and the liquid outlet groove 8, so that leakage phenomenon is generated in the medium conveying process, finally, the medium in the circulation cavity 2 is enabled to flow into the liquid outlet groove 8 by the liquid outlet groove, the medium in the state, the medium flowing into the liquid outlet groove 8, and then is discharged by the liquid outlet groove, and the medium flowing into the liquid outlet groove 8, and the medium flowing into the liquid outlet groove, and the medium flowing into the liquid groove.

Claims (6)

1. The anti-leakage hydraulic hinged joint is characterized by comprising a main joint sleeve (1), a circulation cavity (2) is arranged at the central position of the inside of the main joint sleeve (1), an upper threaded joint (14) is arranged at the central position of the top of the main joint sleeve (1), the bottom end of the upper threaded joint (14) is communicated with the top end of the circulation cavity (2), a lower threaded joint (15) is arranged at the central position of the bottom of the main joint sleeve (1), the top end of the lower threaded joint (15) is communicated with the bottom end of the circulation cavity (2), a first joint body (4) is connected with the inner threads of the upper threaded joint (14), the top end of the first joint body (4) extends to the outer part of the upper threaded joint (14), a second joint body (11) is connected with the inner threads of the lower threaded joint (15), an auxiliary joint (9) is movably connected with the outer wall of one side of the main joint sleeve (1), two sides of the auxiliary joint sleeve (9) close to the outer wall of the main joint sleeve (1) are provided with limiting grooves (6) which are connected with limiting grooves (10) on two sides of the outer wall of the main joint sleeve (1), one end of the limiting block (10) extends to the outside of the annular limiting groove (6) and is fixedly connected with the outer wall of the main joint sleeve (1).
2. The leak-proof hydraulic articulation joint of claim 1 wherein: the center position inside the first connector body (4) is provided with a first liquid inlet groove (5), and two ends of the first liquid inlet groove (5) extend to the outside of the first connector body (4).
3. The leak-proof hydraulic articulation joint of claim 1 wherein: the inside central point department of auxiliary joint cover (9) is equipped with drainage groove (8), the outside of auxiliary joint cover (9) is extended to the one end of drainage groove (8), the other end of drainage groove (8) is linked together with the one end of circulation chamber (2), be equipped with third sealing washer (7) on the inner wall of drainage groove (8) and circulation chamber (2) hookup location department, the outer wall of third sealing washer (7) one end and the inner wall fixed connection of drainage groove (8), the outer wall of third sealing washer (7) other end touches with the inner wall of circulation chamber (2).
4. The leak-proof hydraulic articulation joint of claim 1 wherein: the center position inside the second connector body (11) is provided with a second liquid inlet groove (12), and two ends of the second liquid inlet groove (12) extend to the outside of the second connector body (11).
5. The leak-proof hydraulic articulation joint of claim 1 wherein: the inner wall of one end of the upper threaded interface (14) is fixedly provided with a first sealing ring (3), and the inner wall of the first sealing ring (3) is contacted with the outer wall of the first joint body (4).
6. The leak-proof hydraulic articulation joint of claim 1 wherein: the inner wall of one end of the lower threaded interface (15) is fixedly provided with a second sealing ring (13), and the inner wall of the second sealing ring (13) is contacted with the outer wall of the second joint body (11).
CN202321196056.XU 2023-05-18 2023-05-18 Leak-proof hydraulic articulated joint Active CN219796516U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321196056.XU CN219796516U (en) 2023-05-18 2023-05-18 Leak-proof hydraulic articulated joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321196056.XU CN219796516U (en) 2023-05-18 2023-05-18 Leak-proof hydraulic articulated joint

Publications (1)

Publication Number Publication Date
CN219796516U true CN219796516U (en) 2023-10-03

Family

ID=88176217

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321196056.XU Active CN219796516U (en) 2023-05-18 2023-05-18 Leak-proof hydraulic articulated joint

Country Status (1)

Country Link
CN (1) CN219796516U (en)

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