CN215214837U

CN215214837U - Ball valve with integrated into one piece unsteady disk seat

Info

Publication number: CN215214837U
Application number: CN202120985922.8U
Authority: CN
Inventors: 王小成; 刘盼; 荣大鹏; 张建; 高智亮; 王龙; 康力
Original assignee: Anyang Yihe Valve Industry Co ltd
Current assignee: Anyang Yihe Valve Industry Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-12-17
Anticipated expiration: 2031-05-10

Abstract

The utility model relates to a ball valve with an integrally formed floating valve seat, which comprises a valve body, a ball body is rotatably connected in a flow channel on the ball body, and two valve seat mechanisms are symmetrically arranged on the left and right sides of the ball body. The first valve seat and the second valve seat are formed in the sealing ring. The outer wall of the sealing ring is close to the inner wall of the valve. Close to the inner wall of the sealing ring, the end of the first valve seat close to the sphere is provided with an annular groove, the annular groove is provided with a rubber valve seat abutting against the sphere, and several first compression springs pass between the opposite ends of the first and second valve seats The other end of the second valve seat is fixedly connected with the inner wall of the valve body through a plurality of second compression springs, and the lower part of the valve body corresponding to the front and rear sides of the sphere is connected with a cleaning pipe with a control valve. The utility model can realize double stable and reliable sealing, and can drain the residual medium in the flow through hole, so as to ensure the use quality of the ball valve.

Description

Ball valve with integrated into one piece unsteady disk seat

Technical Field

The utility model belongs to the technical field of the ball valve, concretely relates to ball valve with integrated into one piece disk seat that floats.

Background

The ball valve is a valve whose opening and closing member is driven by valve rod and can make rotary motion around the axis of ball valve, and is mainly composed of floating ball valve, fixed ball valve, track ball valve, V-shaped ball valve, three-way ball valve and stainless steel ball valve, etc. said ball valve can be used for cutting off, distributing and changing flow direction of medium in pipeline, and can be closed tightly only by using 90-deg. rotation operation and very small turning moment, and is suitable for use as switch and cut-off valve, and possesses the advantages of wear-resisting, good sealing property, light switch and long service life, etc.. However, the conventional ball valve still has the following problems in practical use: 1. the valve seats are mostly of fixed structures and only have a heavy sealing effect, and after long-term use, sealing surfaces are respectively damaged to different degrees under the condition of medium scouring or corrosion, so that sealing failure is caused, and the sealing is not effective for a long time and is stable and reliable; 2. when the ball valve is used for the pipeline of easy crystallization medium, sealed not tight condition of back sealing face after the ball valve is cut off or closed at the ball valve, often have the residue of a lot of corresponding easy crystallization medium in the flow through hole on the spheroid of ball valve for can lead to the ball valve to block up because of remaining the medium crystallization when reuse ball valve, thereby influence the normal transport of medium, be unfavorable for the normal production and processing of enterprise, remain to improve.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present invention is to provide a ball valve with an integrated floating valve seat, which can realize dual stable and reliable sealing, and can timely exhaust residual media in the flowing through hole of the ball body after the ball valve is closed, so as to solve the above problems.

In order to achieve the above object, the utility model adopts the following technical scheme: a ball valve with an integrally formed floating valve seat comprises a valve body, wherein a flow passage is axially arranged in the valve body, the middle part of the flow passage is rotatably connected with a ball body through a valve rod, the top end of the valve rod extends out of the valve body and is fixedly connected with a handle, a flow through hole is axially arranged on the ball body, two valve seat mechanisms are symmetrically arranged in the flow passage on the left side and the right side of the ball body, each valve seat mechanism consists of a sealing ring, a first valve seat and a second valve seat, the first valve seat and the second valve seat are arranged in the sealing ring in a sealing mode, the outer wall of the sealing ring is tightly attached to the inner wall of the valve body and fixedly arranged, the first valve seat and the second valve seat are sequentially arranged from one end close to the ball body to the other end, the outer walls of the first valve seat and the second valve seat are tightly attached to the inner wall of the sealing ring in a sliding mode, a ring groove is formed in one end, the rubber valve seat is abutted to the ball body, and the end, opposite to the first valve seat and the second valve seat are fixedly connected through a plurality of first compression springs, one end of the second valve seat, which is far away from the ball body, is fixedly connected with the corresponding inner wall of the valve body through a plurality of second compression springs; the lower parts of the valve bodies corresponding to the front side and the rear side of the ball body are communicated with a material cleaning pipe, and a control valve is arranged on the material cleaning pipe.

Preferably, the first compression spring and the second compression spring are uniformly distributed at intervals on the circumference.

Preferably, the flow through hole is adapted to the flow channel.

Preferably, both ends all are equipped with flange about the valve body.

Preferably, a turbine generator and a storage battery pack are arranged on the outer wall of one end of the valve body, a turbine assembly of the turbine generator is rotatably arranged in the flow channel, and the storage battery pack is electrically connected with the turbine generator.

Preferably, a pressure sensor is arranged on the inner wall of the valve body between the turbine assembly of the turbine generator and the adjacent valve seat mechanism.

The utility model has the advantages that: the utility model relates to a rationally, simple structure, during the use, turning handle drives the spheroid and rotates, makes the coaxial or acute angle setting that is certain degree of spheroidal flow channel and the flow channel of valve body, alright realize the state of opening of ball valve to make corresponding pipeline unblocked, realize the transport of corresponding medium. When the flow through hole of the ball body is vertically arranged with the flow channel of the valve body, the ball valve is completely closed, the corresponding pipeline is disconnected, and the interruption of the corresponding medium conveying is realized. No matter the ball valve is in and opens or the closed condition, utilize the sealing ring can realize preliminary overall sealing earlier, rethread rubber valve seat, first disk seat, first compression spring, second disk seat and second compression spring's the cooperation that sets up, can form floating disk seat seal structure, make the rubber valve seat firmly support all the time and press on the spheroid, can be when lightening the medium and to the impact of sealed face, realize sealed automatic compensation, it is sealed more excellent, and after first disk seat seal became invalid, can continue to seal by the second valve seat, with this realization double seal, it is effective and reliable and stable for a long time sealed more, guarantee sealed effect and quality, prevent leakage. In addition, when the ball valve was closed, spheroidal flow through-hole was corresponding with clear material pipe, and the control valve on the clear material pipe was opened to the accessible this moment, utilizes clear material pipe will remain the timely evacuation of the medium in the flow through-hole, can effectively avoid the jam of ball valve when carrying medium such as easy crystallization, reduces the maintenance change to the ball valve, more is favorable to improving the life of ball valve and guarantees the normal stable production of enterprise.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a left side view structure diagram of the present invention.

Reference numbers in the figures: 1 is the valve body, 2 is flow channel, 3 is the spheroid, 4 is flow through hole, 5 is the valve rod, 6 is the handle, 7 is the sealing ring, 8 is the rubber valve seat, 9 is first disk seat, 10 is first compression spring, 11 is the second valve seat, 12 is the second compression spring, 13 is the control valve, 14 is the clear material pipe, 15 is flange, 16 is storage battery, 17 is turbine generator, 18 is turbine assembly, 19 is pressure sensor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1 to 3, a ball valve with an integrated floating valve seat comprises a valve body 1, a flow channel 2 is axially arranged in the valve body 1, and a ball body 3 is rotatably connected to the middle of the flow channel 2 through a valve rod 5. The top end of the valve rod 5 extends out of the valve body 1 and is fixedly connected with a handle 6, a flow through hole 4 is axially arranged on the ball body 3, and two valve seat mechanisms are symmetrically arranged in the flow channels on the left side and the right side of the ball body. The valve seat mechanism comprises a sealing ring 7, a first valve seat 9 and a second valve seat 11 which are arranged in the sealing ring 7, the outer wall of the sealing ring 7 is tightly attached to the inner wall of the valve body 1 and fixedly arranged, the first valve seat 9 and the second valve seat 11 are sequentially arranged from one end close to the ball body 3 to the other end, and the outer walls of the first valve seat and the second valve seat are tightly attached to the inner wall of the sealing ring 7 in a sliding mode. An annular groove is formed in one end, close to the ball body 3, of the first valve seat 9, a rubber valve seat 8 is fixedly arranged on the annular groove, and the rubber valve seat 8 is abutted to the ball body 3. The first valve seat 9 is fixedly connected with the opposite end of the second valve seat 11 through a plurality of first compression springs 10. One end of the second valve seat 11 far away from the ball 3 is fixedly connected with the inner wall of the corresponding valve body 1 through a plurality of second compression springs 12. The lower parts of the valve bodies 1 corresponding to the front side and the rear side of the sphere 3 are communicated with a cleaning pipe 14, and a control valve 13 is arranged on the cleaning pipe 14;

when the ball valve is used, the handle 6 is rotated to drive the ball body 3 to rotate, so that the flow through hole 4 of the ball body 3 is coaxial with the flow channel 2 of the valve body 1 or arranged at an acute angle to a certain degree, and the opening state of the ball valve can be realized, therefore, a corresponding pipeline is smooth, and the conveying of a corresponding medium is realized. When the flow through hole 4 of the ball 3 is vertically arranged with the flow channel 2 of the valve body 1, the ball valve is completely closed, the corresponding pipeline is cut off, and the interruption of the corresponding medium delivery is realized. No matter the ball valve is in and opens or closed condition, utilize sealing ring 7 can realize preliminary overall sealing earlier, rethread rubber valve seat 8, first disk seat 9, first compression spring 10, second disk seat 11 and second compression spring 12 set up the cooperation, can form floating disk seat seal structure, make rubber valve seat 8 firmly support all the time and press on spheroid 3, can be when lightening the medium and to the impact of sealed face, realize sealed automatic compensation, it is sealed more excellent, and after first disk seat 9 seals up the inefficacy, can continue to seal by second disk seat 11, with this realization double seal, it is sealed effective and reliable and stable for a long time more, guarantee sealed effect and quality, prevent leakage. In addition, when the ball valve was closed, the flow through hole 4 of spheroid 3 was corresponding with clear material pipe 14, and the accessible was opened the control valve 13 on the clear material pipe 14 this moment, utilized clear material pipe 14 will remain the timely evacuation of medium in flow through hole 4, can effectively avoid the jam of ball valve when carrying medium such as easy crystallization, and the reduction is changed the maintenance of ball valve, more is favorable to improving the life of ball valve and the normal stable production of assurance enterprise.

In the present embodiment, the first compression spring 10 and the second compression spring 12 are uniformly distributed at intervals on the circumference to ensure the connection and sealing effect. The flow through holes 4 are adapted to the flow channel 2 to ensure a proper flow of the medium.

In this embodiment, the left and right ends of the valve body 1 are provided with the connecting flanges 15, so that the whole ball valve can be mounted and used conveniently. Be equipped with turbine generator 17 and storage battery 16 on the one end outer wall of valve body 1, turbine generator 17's turbine subassembly 18 rotates and locates in flow channel 2, storage battery 16 and turbine generator 17 electric connection, make when using, usable turbine generator 17's turbine subassembly 18, the kinetic energy that produces when flowing corresponding medium effectively turns into the electric energy and stores in storage battery, can regard as certain stand-by energy to use, make whole ball valve more practical and energy-concerving and environment-protective. The pressure sensor 19 is arranged on the inner wall of the valve body 1 between the turbine component 18 of the turbine generator 17 and the adjacent valve seat mechanism, so that the pressure of a medium flowing through the ball valve can be detected in real time in the process of opening and conveying the medium by the ball valve, the conventional control system can be matched more conveniently, the opening and closing degree of the ball valve can be adjusted, and the stable conveying of the corresponding medium can be facilitated.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A ball valve with an integrally formed floating valve seat comprises a valve body, wherein a flow passage is axially arranged in the valve body, the middle part of the flow passage is rotatably connected with a ball body through a valve rod, the top end of the valve rod extends out of the valve body and is fixedly connected with a handle, a flow through hole is axially arranged on the ball body, two valve seat mechanisms are symmetrically arranged in the flow passage on the left side and the right side of the ball body, the ball valve is characterized in that each valve seat mechanism comprises a sealing ring, a first valve seat and a second valve seat which are arranged in the sealing ring, the outer wall of the sealing ring is tightly attached to the inner wall of the valve body and fixedly arranged, the first valve seat and the second valve seat are sequentially arranged from one end close to the ball body to the other end, the outer walls of the first valve seat and the second valve seat are tightly attached to the inner wall of the sealing ring and slidably arranged, a ring groove is formed at one end, a rubber valve seat is fixedly arranged on the ring groove and is abutted to the ball body, the end, opposite to the second valve seat, of the first valve seat is fixedly connected with the end, far away from the ball body, of the second valve seat through a plurality of second compression springs; the lower parts of the valve bodies corresponding to the front side and the rear side of the ball body are communicated with a material cleaning pipe, and a control valve is arranged on the material cleaning pipe.

2. The ball valve of claim 1, wherein said first and second compression springs are circumferentially spaced.

3. The ball valve having an integrally formed floating seat according to claim 1, wherein said flow through bore is adapted to the flow passage.

4. The ball valve having an integrally formed floating seat according to claim 1, wherein the valve body is provided with connecting flanges at both left and right ends.

5. The ball valve with the integrally formed floating valve seat according to claim 1, wherein a turbine generator and a storage battery are arranged on an outer wall of one end of the valve body, a turbine assembly of the turbine generator is rotatably arranged in the flow passage, and the storage battery is electrically connected with the turbine generator.

6. The ball valve with an integrally formed floating valve seat according to claim 5, wherein a pressure sensor is provided on an inner wall of the valve body between the turbine assembly of the turbine generator and the adjacent valve seat mechanism.