Turbine butterfly valve with sealing ring convenient to replace

Abstract

The utility model relates to the technical field of turbine butterfly valves, in particular to a turbine butterfly valve convenient to replace a sealing ring, which comprises a turbine butterfly valve main body and a sealing ring main body, a flange plate connected with a pipeline is welded outside the turbine butterfly valve main body, a fixing block is fixed outside the sealing ring main body through a screw, and a driving rod is inserted outside the fixing block. A connecting block is welded to the end, located in the fixing block, of the driving rod, the driving rod is sleeved with a spring enabling the connecting block to reset, and a limiting block making contact with the outside of the flange plate is welded to the end, away from the connecting block, of the driving rod. According to the turbine butterfly valve, through the arrangement of the fixing block, the spring, the limiting block, the connecting block and the driving rod, the problem that when an existing turbine butterfly valve is used, a sealing ring in the turbine butterfly valve is inconvenient to replace is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to turbine disc valve technical field, concretely relates to a turbine disc valve convenient to replace sealing ring. BACKGROUND

[0002] Turbine butterfly valve is a valve for controlling pipeline fluid, belongs to one kind in butterfly valve category, it adopts turbine sensor as opening degree control signal, realizes the regulation and cut-off to fluid, the main part of turbine butterfly valve is valve body, valve disc, sealing element and turbine sensor, wherein the valve disc as the key part of controlling fluid, its shape is usually circular or oval, can adjust the flow and flow rate of fluid in the pipeline through rotation.

[0003] But the existing turbine disc valve uses, usually bolt is fixed sealing ring in the inside of turbine disc valve, however turbine disc valve's long-term use, the sealing ring in the inside of turbine disc valve can take place loss, when replacing sealing ring, need first turbine disc valve's bolt is dismantled, can take out sealing ring from turbine disc valve and replace, the operation step is complicated, the replacement efficiency of sealing ring causes certain influence, thus set up a kind of turbine disc valve convenient to replace sealing ring. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a kind of turbine disc valves convenient to replace sealing ring, the utility model is provided with fixed block, spring, limit block, connecting block and driving rod, solve the problem that existing turbine disc valve is inconvenient to replace sealing ring in the inside of turbine disc valve when using.

[0005] The utility model solves the technical scheme that it adopts is a kind of turbine disc valve convenient to replace sealing ring, including turbine disc valve main body and sealing ring main body, the turbine disc valve main body outside welding has the flange plate connected with pipeline, the sealing ring main body outside screw is fixed with fixed block, and fixed block outside is inserted with driving rod, and the one end welding of driving rod in fixed block interior is connected with connecting block, the spring that makes connecting block reset is sleeved on the outside of driving rod, the limit block that is contacted with flange plate outside is welded on the end of driving rod away from connecting block.

[0006] When the sealing ring body in the turbine disc valve body needs to be replaced, the pipeline connected with the turbine disc valve body is first disassembled, then the limiting block outside the flange plate is pulled, then the drive rod on one side of the limiting block moves in the fixed block, then the drive rod drives the connecting block to compress the spring, then the limiting block is separated from the flange plate, then the sealing ring body is taken out from the turbine disc valve body, then the new sealing ring body is placed into the turbine disc valve body, then the limiting block outside the fixed block is pulled, the limiting block drives the connecting block on one side of the drive rod to move, the spring outside the drive rod is compressed, then the limiting block is placed outside the flange plate, then the spring drives the drive rod on one side of the connecting block to move, and the drive rod drives the limiting block to be clamped outside the flange plate, so that the sealing ring body is fixed in the turbine disc valve body, thereby facilitating replacement of the sealing ring body in the turbine disc valve body.

[0007] Specifically, the flange plate is provided with a plurality of fixing holes A for connecting the pipeline and the turbine disc valve body through bolts, and the fixed block is provided with a fixing hole B.

[0008] By adopting the above technical scheme, when the sealing ring body is placed inside the turbine disc valve body, the fixed block on one side of the sealing ring body contacts the flange plate on the turbine disc valve body, so that the fixing hole B on the sealing ring body coincides with the fixing hole A on the flange plate. When the pipeline is connected with the turbine disc valve body, the bolt passes through the fixing hole B and the fixing hole A in sequence, so that the sealing ring body is between the pipeline and the turbine disc valve body, thereby avoiding the sealing ring body from being deviated.

[0009] Specifically, the limiting block is internally screwed with a rubber pad for increasing friction on the surface of the flange plate.

[0010] By adopting the above technical scheme, when the limiting block is clamped outside the flange plate, the rubber pad in the limiting block contacts the surface of the flange plate, increasing the friction between the limiting block and the flange plate and improving the stability of the limiting block clamped outside the flange plate.

[0011] Specifically, the fixed block is internally welded with a support rod, and the support rod is externally slidably connected with a support block connected with the connecting block.

[0012] By adopting the above technical scheme, when the limiting block moves outside the fixed block, the connecting block on one side of the fixed block drives the support block to move, and then the support rod externally slides in the fixed block, thereby improving the stability of the connecting block moving in the fixed block.

[0013] Specifically, the surface of the spring is sprayed with anti-rust paint for improving service life.

[0014] By adopting the technical scheme, the spring surface is sprayed with rust-proof paint to form a protective layer outside the spring, thereby prolonging the service life of the spring.

[0015] The utility model discloses the beneficial effect of:

[0016] (1) a kind of turbine disc valve of the sealing ring convenient to replace of the utility model, when the sealing ring main body in the turbine disc valve main body is replaced, first, the pipeline connected with the turbine disc valve main body is disassembled, then the limiting block outside flange is pulled, then the drive rod of limiting block side moves in fixed block, then drive rod drives connecting block compression, subsequently, the limiting block is separated from flange, then the sealing ring main body is taken out from the turbine disc valve main body, then the new sealing ring main body is placed in the turbine disc valve main body, then the limiting block outside fixed block is pulled, the connecting block of limiting block side is moved, the spring outside drive rod is compressed, subsequently, the limiting block is placed to the outside of flange, then the drive rod of connecting block side of spring moves, drive rod drives limiting block to be clamped in the outside of flange, so that the sealing ring main body is fixed in the turbine disc valve main body, to replace the sealing ring main body in the turbine disc valve main body conveniently.

[0017] (2) a kind of turbine disc valve of the sealing ring convenient to replace of the utility model, when the sealing ring main body is placed to the inside of turbine disc valve main body, then the fixed block of sealing ring main body side is contacted with the flange on the turbine disc valve main body, so that the fixed hole B on the sealing ring main body is overlapped with the fixed hole A on flange, when the pipeline is connected with the turbine disc valve main body, bolt is sequentially passed through fixed hole B and fixed hole A, so that the sealing ring main body is in the pipeline and turbine disc valve main body, to avoid the sealing ring main body to be offset. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model is further described below in connection with the drawings and examples.

[0019] Figure 1 It is the whole structure schematic diagram of the utility model one kind of turbine disc valve of the sealing ring convenient to replace;

[0020] Figure 2 It is the fixed block internal structure schematic diagram of the utility model one kind of turbine disc valve of the sealing ring convenient to replace;

[0021] Figure 3 It is the limiting block inboard structure schematic diagram of the utility model one kind of turbine disc valve of the sealing ring convenient to replace;

[0022] In the drawing: 1, turbine disc valve main body;2, fixed hole A;3, sealing ring main body;4, flange;5, fixed block;6, limiting block;7, connecting block;8, support block;9, support rod;10, fixed hole B;11, drive rod;12, spring;13, rubber pad. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] In order to replace the sealing ring body 3 in the turbine disc valve body 1, as an embodiment of the utility model, as shown in Figure 1 、 Figure 2 and Figure 3 , the utility model discloses a turbine disc valve facilitating replacement of a sealing ring, which comprises a turbine disc valve body 1 and a sealing ring body 3, the turbine disc valve body 1 is externally welded with a flange plate 4 connected with a pipeline, the sealing ring body 3 is externally screwed with a fixed block 5, a driving rod 11 is inserted into the outer side of the fixed block 5, one end of the driving rod 11 located inside the fixed block 5 is welded with a connecting block 7, the driving rod 11 is externally sleeved with a spring 12 for resetting the connecting block 7, and the end of the driving rod 11 away from the connecting block 7 is welded with a limiting block 6 in external contact with the flange plate 4.

[0025] In use, when the sealing ring body 3 in the turbine disc valve body 1 is to be replaced, the pipeline connected with the turbine disc valve body 1 is first disassembled, then the limiting block 6 outside the flange plate 4 is pulled, then the driving rod 11 on one side of the limiting block 6 moves inside the fixed block 5, then the driving rod 11 drives the connecting block 7 to press and compress the spring 12, then the limiting block 6 is separated from the flange plate 4, then the sealing ring body 3 is taken out from the turbine disc valve body 1, then the new sealing ring body 3 is placed into the turbine disc valve body 1, then the limiting block 6 outside the fixed block 5 is pulled, the limiting block 6 drives the connecting block 7 on one side of the driving rod 11 to move, the spring 12 outside the driving rod 11 is compressed, then the limiting block 6 is placed outside the flange plate 4, then the spring 12 drives the driving rod 11 on one side of the connecting block 7 to move, the driving rod 11 drives the limiting block 6 to be clamped outside the flange plate 4, so that the sealing ring body 3 is fixed in the turbine disc valve body 1, thereby facilitating replacement of the sealing ring body 3 in the turbine disc valve body 1.

[0026] In order to avoid the sealing ring body 3 from being deviated, as an example, as shown in Figure 1 , the utility model further comprises that the surface of the flange plate 4 is provided with fixed holes A2 for connecting the pipeline with the turbine disc valve body 1 by bolts, and the number of the fixed holes A2 is several, the surface of the fixed block 5 is provided with fixed holes B10, and the inner sizes of the fixed holes A2 and the fixed holes B10 are consistent.

[0027] In use, when the sealing ring body 3 is placed inside the turbine disc valve body 1, then the fixed block 5 on one side of the sealing ring body 3 is in contact with the flange plate 4 on the turbine disc valve body 1, so that the fixed hole B10 on the sealing ring body 3 is coincided with the fixed hole A2 on the flange plate 4, when the pipeline is connected with the turbine disc valve body 1, the bolt is sequentially threaded through the fixed hole B10 and the fixed hole A2, so that the sealing ring body is between the pipeline and the turbine disc valve body 1, thereby avoiding the sealing ring body 3 from being offset.

[0028] In order to improve the stability of the limiting block 6 clamped outside the flange plate 4, the utility model also includes that the rubber pad 13 which increases the friction force on the surface of the flange plate 4 is fixed in the inside of the limiting block 6. Figure 3

[0029] In use, when the limiting block 6 is clamped outside the flange plate 4, the rubber pad 13 in the limiting block 6 is in contact with the surface of the flange plate 4, the friction force between the limiting block 6 and the flange plate 4 is increased, and the stability of the limiting block 6 clamped outside the flange plate 4 is improved.

[0030] In order to improve the stability of the connecting block 7 moving in the fixed block 5, the utility model also includes that the supporting rod 9 is welded in the inside of the fixed block 5, and the supporting block 8 connected with the connecting block 7 is slidably connected outside the supporting rod 9. Figure 2

[0031] In use, when the limiting block 6 moves outside the fixed block 5, the connecting block 7 on one side of the fixed block 5 drives the supporting block 8 to move, and then the supporting block 8 slides outside the supporting rod 9 installed in the fixed block 5, thereby improving the stability of the connecting block 7 moving in the fixed block 5.

[0032] In order to improve the service life of the spring 12, the utility model also includes that the rust-proof paint which improves the service life is sprayed on the surface of the spring 12. Figure 2

[0033] In use, by spraying the rust-proof paint on the surface of the spring 12, a protective layer is formed outside the spring 12, thereby improving the service life of the spring 12.

[0034] ​​​The utility model discloses a when using, when the sealing ring main part 3 in the turbine disc valve main body 1 is replaced, first with the pipeline of turbine disc valve main body 1 connection is dismantled, then pull the limiting block 6 outside flange plate 4, then the drive rod 11 of limiting block 6 one side moves in fixed block 5, then drive rod 11 drives connecting block 7 to press spring 12 compression, then limiting block 6 is separated with flange plate 4, then the sealing ring main part 3 is taken out from turbine disc valve main body 1, then put new sealing ring main part 3 into turbine disc valve main body 1, then pull the limiting block 6 outside fixed block 5, and limiting block 6 drives connecting block 7 one side's connecting block 7 movement, and spring 12 outside drive rod 11 compression, then limiting block 6 is placed to flange plate 4 outside, then spring 12 drives connecting block 7 one side's drive rod 11 movement, and drive rod 11 drives limiting block 6 to be clamped in flange plate 4 outside, make sealing ring main part 3 fixed in turbine disc valve main body 1, thereby convenient for the replacement of sealing ring main part 3 in turbine disc valve main body 1;

[0035] When the sealing ring main part 3 is placed to turbine disc valve main body 1 inside, then fixed block 5 one side of sealing ring main part 3 and flange plate 4 on turbine disc valve main body 1 contact, make fixed hole B10 on sealing ring main part 3 and fixed hole A2 on flange plate 4 coincide, when the pipeline is connected with turbine disc valve main body 1, bolt passes fixed hole B10 and fixed hole A2 in proper order, make sealing ring main part between pipeline and turbine disc valve main body 1, thereby avoid the deviation of sealing ring main part 3;

[0036] When limiting block 6 is clamped in flange plate 4 outside, the rubber pad 13 in limiting block 6 and flange plate 4 surface contact, increase the friction between limiting block 6 and flange plate 4, improve the stability of limiting block 6 clamped in flange plate 4 outside;

[0037] When limiting block 6 moves outside fixed block 5, connecting block 7 one side of fixed block 5 drives support block 8 to move, then support block 8 slides outside the support rod 9 installed in fixed block 5, improve the stability of connecting block 7 movement in fixed block 5.

[0038] The basic principle, main characteristics and advantages of the utility model are shown and described above. The skilled person in the art should understand that the utility model is not limited by the above examples, and the above embodiments and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A turbo disc valve facilitating replacement of a seal ring, characterized in that Including turbine disc valve body (1) and sealing ring body (3), the turbine disc valve body (1) outside welding has the flange plate (4) connected with pipeline, sealing ring body (3) outside screw fixed with fixed block (5), and fixed block (5) outside inserts the drive rod (11), and the drive rod (11) is located at the one end welding in fixed block (5) connection block (7), the drive rod (11) outside sleeve connection has the spring (12) of making connection block (7) reset, the drive rod (11) is away from the one end welding of connection block (7) and the limiting block (6) of flange plate (4) outside contact.

2. The turbine disc valve with a seal ring easy to replace according to claim 1, characterized in that, The surface of the flange plate (4) is provided with a fixing hole A (2) for connecting the pipeline and the turbine disc valve body (1) by bolts, and the number of the fixing hole A (2) is several, the surface of the fixed block (5) is provided with a fixing hole B (10), and the inside size of the fixing hole A (2) and the fixing hole B (10) is consistent.

3. The turbine disc valve with a seal ring convenient to replace according to claim 1, characterized in that, The inside of the limiting block (6) is screw-fixed with a rubber pad (13) for increasing the friction on the surface of the flange plate (4).

4. The turbine disc valve with a seal ring easy to replace according to claim 1, characterized in that, The inside of the fixed block (5) is welded with a support rod (9), and the outside of the support rod (9) is slidingly connected with a support block (8) connected with the connection block (7).

5. The turbine disc valve with easy-to-replace seal ring according to claim 1, characterized in that, The surface of the spring (12) is sprayed with anti-rust paint for improving the service life.

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