Butt clamp butterfly valve convenient to install

Abstract

The utility model provides a double-clip butterfly valve convenient to install, and relates to the technical field of double-clip butterfly valves, the double-clip butterfly valve comprises a butterfly plate, a valve rod, a connecting mechanism, a valve body and a valve handle, the two ends of the valve rod are respectively connected with the butterfly plate and the valve handle, the valve rod is arranged in the valve body, the connecting mechanism is arranged on the outer side of the butterfly plate, and the valve handle is arranged on the valve rod. The connecting mechanism is used for being in butt joint with a pipeline and the butt clamp butterfly valve. According to the wafer butterfly valve, the embedded mounting groove is formed in the position of the fixing shell, the mounting fastener and the mounting groove are detachably connected, the mounting fastener is convenient to replace, meanwhile, due to the fact that mounting hole models of different standards exist, quick replacement of the mounting hole and the mounting base is achieved according to the different mounting hole models, and the wafer butterfly valve is used for being matched with connecting piece models of different pipelines; replacement of fasteners of different standards of the same wafer butterfly valve is achieved, wafer butterfly valves of different standards do not need to be used, and the application cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of wafer butterfly valves, and particularly relates to a wafer butterfly valve which is convenient for installation. Background Art

[0002] A butterfly valve, also known as a flap valve or a butterfly shutter, is a simple-structured regulating valve. Its working principle is to achieve the purpose of opening and closing by rotating the disc of the closing member (valve flap or butterfly plate) around the valve shaft.

[0003] In the prior art, the fasteners for the docking installation of the butterfly valve and the pipeline are of multiple standards, including 5K (Korean standard), 10K (Japanese standard), 150LB (American standard) and Chinese standard. However, since the fastener and the valve body are integrally formed by welding, multiple butterfly valves need to be equipped for multiple-standard fasteners, which is inconvenient for installation and greatly increases the spare cost. Content of the Utility Model

[0004] Therefore, the utility model provides a wafer butterfly valve which is convenient for installation to solve the problem of inconvenient application of multiple-standard fasteners.

[0005] In order to achieve the above purpose, the utility model provides the following technical solution: a wafer butterfly valve which is convenient for installation, comprising: a butterfly plate, a valve stem, a connection mechanism, a valve body and a valve handle. The two ends of the valve stem are respectively connected to the butterfly plate and the valve handle. The valve stem is arranged inside the valve body. The connection mechanism is arranged outside the butterfly plate and is used for docking the pipeline and the wafer butterfly valve.

[0006] Preferably, the connection mechanism comprises a fixed shell, an installation groove and an installation fastener. A plurality of the installation grooves are arranged on the outer side of the fixed shell, and the installation fastener is detachably connected to the installation groove.

[0007] Preferably, the installation groove is arranged in a hollow cylindrical shape, and two fixing holes are arranged inside the installation groove and are symmetrically arranged.

[0008] Preferably, the installation fastener comprises an installation hole and an installation base, and the installation hole and the installation base are integrally formed.

[0009] Preferably, a fixing rod, a spring positioning pin and a fixing column are arranged inside the installation base. One end of the positioning rod is connected to the spring positioning pin, and the fixing column is installed at the other end of the spring positioning pin.

[0010] Preferably, the spring positioning pin is arranged in a V shape, and two fixing columns are arranged.

[0011] Preferably, the installation base is provided with telescopic holes which are symmetrically arranged on both sides of the installation base and are used for the telescopic adjustment of the fixing column.

[0012] Preferably, the diameters of the fixing holes and the telescopic holes are the same.

[0013] Preferably, a sealing ring is arranged inside the fixing shell, and the diameter of the sealing ring opening is the same as the diameter of the butterfly plate.

[0014] Preferably, four installation grooves are provided and are symmetrically arranged in pairs with the valve stem as the center line.

[0015] The present application adopts the above technical solutions and has at least the following beneficial effects:

[0016] In this wafer butterfly valve, an embedded installation groove is provided at the position of the fixing shell, and the installation fastener and the installation groove are detachably connected, which is convenient for replacing the installation fastener. At the same time, due to the existence of installation hole models of different standards, the installation holes and the installation base can be quickly replaced according to different installation hole models, and different standard fasteners of the same wafer butterfly valve can be replaced to match the connector models of different pipelines, without using wafer butterfly valves of different standards, reducing the application cost.

[0017] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention, and those of ordinary skill in the art can also obtain other drawings based on these drawings without creative efforts.

[0019] Figure 1 is a schematic structural diagram provided by an embodiment of the present invention;

[0020] Figure 2 is a schematic structural diagram of the connection mechanism provided by an embodiment of the present invention;

[0021] Figure 3 is a top view of the connection mechanism provided by an embodiment of the present invention;

[0022] Figure 4 is a schematic structural diagram of the installation fastener provided by an embodiment of the present invention;

[0023] Figure 5 is a sectional view of the installation fastener provided by an embodiment of the present invention;

[0024] Figure 6 is a front sectional view of the installation fastener provided by an embodiment of the present invention;

[0025] Figure 7 It is a schematic diagram of the application of the connection mechanism provided by the embodiment of the present utility model;

[0026] In the figure: 1, butterfly plate; 2, valve body; 3, valve handle; 4, fixed shell; 5, installation groove; 6, installation fastener; 41, sealing ring; 51, fixing hole; 61, installation hole; 62, installation base; 621, fixing rod; 622, spring positioning pin; 623, fixing column; 624, telescopic hole. Specific implementation manner

[0027] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the technical solutions of the present utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other implementation manners obtained by those of ordinary skill in the art without making creative efforts belong to the scope protected by the present utility model.

[0028] The specific embodiment of the present utility model provides a wafer butterfly valve that is easy to install. As shown in the attached Figure 1 figure, it mainly includes a butterfly plate 1, a valve stem, a connection mechanism, a valve body 2 and a valve handle 3. The two ends of the valve stem are respectively connected to the butterfly plate 1 and the valve handle 3. The valve stem is arranged inside the valve body 2, and the connection mechanism is arranged outside the butterfly plate 1. The connection mechanism is used to connect the pipeline and the wafer butterfly valve.

[0029] Specifically, the connection mechanism is used to fix the sealing ring inside and connect and fix it with the equipment and pipeline outside. In this embodiment, the connection mechanism includes a fixed shell 4, an installation groove 5 and an installation fastener 6. A sealing ring 41 is arranged inside the fixed shell 4, and the inner diameter of the sealing ring 41 is the same as the maximum diameter of the butterfly plate 1. After the butterfly plate 1 is closed, the sealing ring 41 can cooperate with the butterfly plate 1 to prevent leakage.

[0030] In this embodiment, the fixed shell 4 is set as a ring-shaped fixing part made of stainless steel. An installation groove 5 is arranged outside the fixed shell 4, and the installation fastener 6 can be detachably connected and fixed with the installation groove 5 to realize the installation or replacement of the installation fastener 6.

[0031] Specifically, four installation grooves 5 are arranged, and they are symmetrically arranged on the left and right sides of the installation groove 5 with the valve stem as the center line. The installation groove 5 is set as a hollow cylindrical shape, and fixing holes 51 are arranged symmetrically along the circumferential line inside the installation groove 5.

[0032] Specifically, the installation fastener 6 includes an installation hole 61 and an installation base 62. The top of the installation base 62 is nested and connected and fixed with the bottom of the installation hole 61, and the installation hole 61 can realize the installation and disassembly with the installation base 62. After the installation hole 61 and the installation base 62 are connected, the integral molding of the installation hole 61 and the installation base 62 is realized.

[0033] Specifically, a fixing rod 621, a spring positioning pin 622 and a fixing column 623 are arranged inside the mounting base 62. The fixing rod 621 is welded inside the mounting base 62. The spring positioning pin 622 is V-shaped and includes three circular holes. One circular opening of the spring positioning pin 622 is connected and fixed to the fixing rod 621, and fixing columns 623 are symmetrically installed at the circular openings at the other end. The top of the fixing column 623 is semi-circular; telescopic holes 624 are symmetrically arranged on the side of the mounting base 62, and the positions of the telescopic holes 624 are the same as the positions of the tops of the fixing columns 623. The tops of the fixing columns 623 can be retracted at the telescopic holes 624, and the sizes of the holes of the telescopic holes 624 are the same as the sizes of the holes of the fixing holes 51.

[0034] The working principle of the embodiment of the present utility model:

[0035] Press the spring positioning pin 622 to drive the fixing column 623 to retract into the mounting base 62. Insert the mounting base 62 at this time into the mounting groove 5, and release the spring positioning pin 622 so that the top of the fixing column 623 is installed into the fixing hole 51 to realize the fixation of the mounting base 62; at this moment, nest the mounting hole 61 at the top position of the mounting base 62 to realize the fixation of the mounting hole 61.

[0036] When it is necessary to replace the mounting fastener 6, remove the mounting hole 61 by plugging and unplugging to replace the model of the mounting hole 61. The mounting hole 61 includes at least the mounting hole shapes of 5K (Korean standard), 10K (Japanese standard), 150LB (American standard) and Chinese standard to realize the butt joint installation with different pipeline types; and the telescopic adjustment of the fixing column 623 can be realized by adjusting the spring positioning pin 622 to complete the replacement of the mounting base 62.

[0037] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A wafer butterfly valve that is easy to install, characterized in that: include: A butterfly plate (1), a valve stem, a connecting mechanism, a valve body (2) and a valve handle (3), wherein the two ends of the valve stem are respectively connected to the butterfly plate (1) and the valve handle (3), the valve body (2) is provided with the valve stem, the connecting mechanism is provided on the outside of the butterfly plate (1), and the connecting mechanism is used for connecting a pipeline and the wafer butterfly valve.

2. The wafer butterfly valve that is easy to install according to claim 1 is characterized in that: The connection mechanism comprises a fixing shell (4), a mounting groove (5) and a mounting fastener (6); a plurality of the mounting grooves (5) are arranged on the outside of the fixing shell (4); and the mounting fastener (6) and the mounting groove (5) are detachably connected.

3. The wafer butterfly valve that is easy to install according to claim 2 is characterized in that: The installation groove (5) is configured as a hollow cylindrical shape, and two fixing holes (51) are provided in the installation groove (5), and the fixing holes (51) are symmetrically arranged.

4. The wafer butterfly valve that is easy to install according to claim 3 is characterized in that: The mounting fastener (6) comprises a mounting hole (61) and a mounting base (62); the mounting hole (61) and the mounting base (62) are integrally formed, and the mounting hole (61) and the mounting base (62) are detachably nested and connected.

5. The wafer butterfly valve that is easy to install according to claim 4 is characterized in that: A fixing rod (621), a spring positioning pin (622) and a fixing column (623) are arranged in the mounting base (62); the fixing rod (621) is connected to one end of the spring positioning pin (622), and the fixing column (623) is installed at the other end of the spring positioning pin (622).

6. The wafer butterfly valve that is easy to install according to claim 5 is characterized in that: The spring positioning pin (622) is configured to be V-shaped, two fixing columns (623) are configured, and the top of the fixing column (623) is configured to be semicircular.

7. The wafer-type butterfly valve that is easy to install according to claim 6 is characterized in that: Telescopic holes (624) are symmetrically arranged on the side of the mounting base (62) for telescopic adjustment of the fixing column (623).

8. The wafer butterfly valve that is easy to install according to claim 7 is characterized in that: The diameter of the fixing hole (51) is consistent with the diameter of the telescopic hole (624).

9. The wafer butterfly valve that is easy to install according to claim 2 is characterized in that: A sealing ring (41) is arranged inside the fixed shell (4), and the diameter of the sealing ring (41) is consistent with the diameter of the butterfly plate (1).

10. The wafer butterfly valve that is easy to install according to claim 3, characterized in that: The number of the mounting grooves (5) is four, and they are symmetrically arranged in pairs with the valve stem as the center line.

Images