CN215568082U - Multi-direction connecting ball valve - Google Patents
Multi-direction connecting ball valve Download PDFInfo
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- CN215568082U CN215568082U CN202121482953.8U CN202121482953U CN215568082U CN 215568082 U CN215568082 U CN 215568082U CN 202121482953 U CN202121482953 U CN 202121482953U CN 215568082 U CN215568082 U CN 215568082U
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Abstract
The utility model discloses a multi-direction connecting ball valve, which relates to a functional valve used for controlling the opening or closing of a pipeline and adjusting the medium flow in the pipeline in a pipeline system, and the structure of the valve comprises a ball valve body, a connecting port on the ball valve body and the like, wherein the connecting port is mainly provided with a connecting pipe, and one end of the connecting pipe is connected in the connecting port in a multi-direction rotating and sealing way through a ball head; therefore, even if a certain deviation exists in the coaxiality of pipelines to be connected at two ends during installation, the connection adjustment can be carried out through the multidirectional rotation of the connecting pipe, so that the installation difficulty of the ball valve is greatly reduced, the installation stress formed at the joint of the ball valve after the installation is finished can be effectively eliminated, and the cracking of the ball valve is avoided; meanwhile, once the pipeline system has the problems of sedimentation and the like in the using process, the stress on the ball valve can be eliminated through the multidirectional rotation of the connecting pipe, so that the cracking of the ball valve can be avoided.
Description
Technical Field
The utility model relates to a ball valve structure in a pipeline valve, in particular to a multi-direction connecting ball valve.
Background
Ball valves are commonly used functional valves in pipeline systems, and are mainly used for controlling the opening or closing of pipelines and also for regulating the flow of media in the pipelines. However, when a traditional ball valve is installed, the coaxiality of pipelines to be connected at two ends needs to be higher, if the coaxiality of the pipelines at the two ends is deviated, the installation difficulty of the ball valve can be improved, installation stress can be formed at the joint of the ball valve after the installation is finished, and the ball valve can crack after long-term use. Meanwhile, once the pipeline system has the problems of settlement and the like in the using process, the stress is easily concentrated on the ball valve, and the ball valve is cracked.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to overcoming the disadvantages of the prior art and providing a multidirectional connection ball valve capable of connecting pipelines facing in multiple directions.
The technical problem of the utility model is realized by the following technical scheme:
a multi-direction connection ball valve comprises a ball valve body and a connection port arranged on the ball valve body, wherein the connection port is provided with a connection pipe, and one end of the connection pipe is connected in the connection port in a multi-direction rotation sealing mode through a ball head.
And a locking nut is arranged at the connecting port, and seals the ball head in the connecting port to form multi-direction rotary sealing connection.
The locking nut is connected with the connecting port in a screwing mode through the inner thread and the outer thread, and glue for fastening is arranged between the inner thread and the outer thread.
The locking nut is internally provided with a middle hole, and the other end of the connecting pipe penetrates through the middle hole to be exposed.
The middle hole is a spherical hole which is matched with the outer surface of the ball head and forms multidirectional rotation.
A ball seat is arranged between the locking nut and the ball head, the ball seat is extruded by the locking nut to be in sealing fit with the outer surface of the ball head, and the ball head forms multi-direction rotating sealing connection in the ball seat.
The inner surface of the ball seat is an inner spherical surface matched with the outer surface of the ball head.
The ball seat is a rubber ball seat.
The outer surface of the connecting pipe is provided with a tightening groove.
And a tightening octagonal plate is arranged on the outer circumferential surface of the locking nut.
Compared with the prior art, the ball valve mainly comprises a connecting pipe arranged at the connecting port of a ball valve body, and one end of the connecting pipe is connected in the connecting port in a multi-direction rotating and sealing manner through a ball head; therefore, even if a certain deviation exists in the coaxiality of pipelines to be connected at two ends during installation, the connection adjustment can be carried out through the multidirectional rotation of the connecting pipe, so that the installation difficulty of the ball valve is greatly reduced, the installation stress formed at the joint of the ball valve after the installation is finished can be effectively eliminated, and the cracking of the ball valve is avoided; meanwhile, once the pipeline system has the problems of sedimentation and the like in the using process, the stress on the ball valve can be eliminated through the multidirectional rotation of the connecting pipe, so that the cracking of the ball valve can be avoided.
Drawings
Fig. 1 is a schematic sectional structure of the present invention.
Fig. 2 is a perspective view of fig. 1.
Fig. 3 is a schematic structural view of the connection pipe.
Fig. 4 is a schematic half-sectional structure of the lock nut.
Fig. 5 is a schematic sectional view of the ball seat.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the above drawings.
As shown in fig. 1-5, 1 is a ball valve body, 11 is a valve body, 12 is a valve cover, 13 is a valve core, 14 is a valve rod, 15 is a handle, 16 is a connecting port, 2 is a connecting pipe, 21 is a ball head, 22 is a tightening groove, 3 is a locking nut, 31 is a middle hole, 32 is an octagonal screw, 4 is a ball seat, 41 is an inner spherical surface.
A multi-direction connection ball valve, as shown in fig. 1 and fig. 2, relates to a functional valve used for controlling the opening or closing of a pipeline and adjusting the medium flow in the pipeline in a pipeline system, and the structure of the valve comprises a ball valve body 1, a connection port 16 arranged on the ball valve body, a connection pipe 2 arranged at the connection port, and the like.
The ball valve body 1 adopts the structure of a traditional ball valve, and mainly comprises a valve body 11, a valve cover 12 which is hermetically arranged at one end of the valve body, a valve core 13 which is hermetically arranged in the valve body, a handle 15 which is arranged outside the valve body, and a valve rod 14 which is respectively in transmission connection with the valve core 13 and the handle 15, so that the valve core 13 can be driven by the operating handle 15 to rotate through the valve rod 14 to open and close the ball valve.
The connecting ports 16 are usually arranged at the end of the valve body 11 and the end of the valve cover 12, and the connecting ports 16 are arranged at the end of the valve body 11 or the end of the valve cover 12, so that the connecting pipe 2 can be installed at the connecting ports 16 at the end of the valve cover 12.
One end of the connecting pipe 2 is provided with a ball head 21, a locking nut 3 is arranged at the connecting port 16, when the ball head 21 is arranged in the connecting port 16, the locking nut 3 and the connecting port 16 can be in screwing connection through internal threads and external threads, and then after the internal threads and the external threads are fastened by glue, the ball head 21 can be sealed in the connecting port 16 by the locking nut 3; therefore, the connection pipe 2 can be fitted into the connection port 16 in a plurality of directions and can be flexibly rotated in a plurality of angular ranges.
Meanwhile, a ball seat 4 is arranged between the locking nut 3 and the ball head 21, the ball seat is a rubber ball seat, the inner surface of the ball seat is an inner spherical surface 41 matched with the outer surface of the ball head 21, the inner spherical surface 41 of the ball seat 4 can be extruded by the locking nut 3 to be sealed and attached to the outer surface of the ball head 21, and the ball head 21 can be in multi-direction rotating sealing connection in the ball seat 4 due to the fact that the special performance of the rubber material has a certain compression amount.
Furthermore, a central hole 31 is arranged in the locking nut 3, the other end of the connecting pipe 2 passes through the central hole 31 to be exposed, and the central hole is also matched with the outer surface of the assembling ball head 21 and forms a spherical hole rotating in multiple directions.
In addition, the outer surface of the connection pipe 2 is provided with a tightening groove 22 capable of helping the other end of the connection pipe 2 to be tightened with a pipe to be connected, and the outer circumferential surface of the lock nut 3 is provided with a tightening octagon 32 for helping the lock nut 3 to be screwed on the connection port 16.
Even if the coaxiality of pipelines to be connected at two ends has certain deviation during installation, the connecting adjusting device can also carry out connection adjustment through multi-directional rotation of the connecting pipe 2, thereby greatly reducing the installation difficulty of the ball valve, effectively eliminating the installation stress formed at the joint of the ball valve after the installation is finished and avoiding the cracking of the ball valve. Even if the pipeline system has the problems of sedimentation and the like in the using process, the stress on the ball valve can be eliminated through the multidirectional rotation of the connecting pipe 2, so that the cracking of the ball valve can be avoided.
The above description is only a specific embodiment of the present invention, and those skilled in the art should understand that any similar structural design to the embodiment is included in the protection scope of the present invention.
Claims (10)
1. A multi-direction connection ball valve comprises a ball valve body (1) and a connection port (16) arranged on the ball valve body, and is characterized in that a connection pipe (2) is arranged at the connection port (16), and one end of the connection pipe is connected in the connection port (16) in a multi-direction rotating and sealing mode through a ball head (21).
2. A multidirectional connection ball valve according to claim 1, wherein a locking nut (3) is mounted at said connection port (16) to enclose said ball head (21) within said connection port (16) and form a multidirectional rotary seal connection.
3. A multidirectional connection ball valve according to claim 2, wherein said locking nut (3) is screwed to said connection port (16) via internal and external threads, and a fastening glue is provided between said internal and external threads.
4. A multidirectional coupling ball valve according to claim 2, wherein said lock nut (3) is provided with a central hole (31), and the other end of said coupling tube (2) is exposed through said central hole (31).
5. A multidirectional connection ball valve according to claim 4, wherein said central hole (31) is a spherical hole fitted to the outer surface of said ball head (21) and forming a multidirectional rotation.
6. A multidirectional connection ball valve according to claim 2, wherein a ball seat (4) is provided between the lock nut (3) and the ball head (21), the ball seat is pressed by the lock nut (3) to be in sealing fit with the outer surface of the ball head (21), and the ball head forms a multidirectional rotation sealing connection in the ball seat (4).
7. A multidirectional connection ball valve according to claim 6, wherein said inner surface of said seat (4) is an inner spherical surface (41) fitted to the outer surface of said ball head (21).
8. A multidirectional connection ball valve according to claim 6, wherein said ball seat (4) is a rubber ball seat.
9. A multidirectional coupling ball valve according to claim 1, wherein said coupling tube (2) is provided with a tightening groove (22) on its outer surface.
10. A multidirectional coupling ball valve according to claim 2, wherein said locking nut (3) is provided with a tightening octagonal ring (32) on its outer circumferential surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121482953.8U CN215568082U (en) | 2021-07-01 | 2021-07-01 | Multi-direction connecting ball valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121482953.8U CN215568082U (en) | 2021-07-01 | 2021-07-01 | Multi-direction connecting ball valve |
Publications (1)
Publication Number | Publication Date |
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CN215568082U true CN215568082U (en) | 2022-01-18 |
Family
ID=79822567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202121482953.8U Active CN215568082U (en) | 2021-07-01 | 2021-07-01 | Multi-direction connecting ball valve |
Country Status (1)
Country | Link |
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CN (1) | CN215568082U (en) |
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2021
- 2021-07-01 CN CN202121482953.8U patent/CN215568082U/en active Active
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