Double-seal valve

Abstract

The utility model discloses a double-seal valve which comprises a valve body, connecting flanges are fixedly installed at the left end and the right end of the valve body respectively, a rotating handle is fixedly installed at the top end of the valve body, an installation frame is fixedly installed in the valve body, and sliding strips are fixedly installed at the front end and the rear end of the installation frame respectively. Limiting holes are formed in the right sides of the upper ends and the lower ends of the two sliding strips correspondingly, and limiting blocks are arranged in the four limiting holes correspondingly. By arranging the mounting frame, the first filter screen, the activated carbon plate, the second filter screen, a pull ring, a sliding strip, a limiting hole and a limiting block, when the valve is used, water entering the valve can be filtered through the first filter screen, the activated carbon plate and the second filter screen, and it is avoided that impurities in the water enter the valve body to damage the valve; and when the filter is damaged, mounting and dismounting can be rapidly carried out through the mounting frame, the pull ring, the sliding strip, the limiting hole and the limiting block, the replacement speed is increased, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a double-sealed valve. Background Art

[0002] A valve is a device used to control the flow of fluids (liquids, gases, powders, solid particles), usually used in pipes and containers. It can be opened, closed or partially opened to adjust the flow and pressure of the fluid. A valve usually consists of a valve body, a valve core, a valve seat and a drive device. According to different working principles and uses, valves can be divided into many types, such as manual valves, electric valves, pneumatic valves, hydraulic valves, etc. Common valves include ball valves, butterfly valves, gate valves, check valves, safety valves, etc. Valves are widely used in petrochemical, water conservancy projects, electric power, metallurgy, gas, pharmaceuticals, food and other industries.

[0003] During the use of existing valves, the liquid entering the valve often contains impurities, which may cause the valve to become clogged after long-term use, thus affecting the use of the valve. In addition, if the valve becomes clogged after long-term use, it is inconvenient for the staff to clean it. Therefore, a double-seal valve is proposed to overcome the above problems. Utility Model Content

[0004] The utility model aims to solve the shortcomings of the prior art that the valve may be blocked after long-term use, thus affecting the use of the valve, and it is inconvenient for the staff to clean the valve when it is blocked after long-term use, and a double-sealed valve is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A double-sealed valve comprises a valve body, connecting flanges are fixedly installed on the left and right ends of the valve body, a rotating handle is fixedly installed on the top of the valve body, a mounting frame is fixedly installed inside the valve body, sliding bars are fixedly installed on the front and rear ends of the mounting frame, limiting holes are respectively provided on the right sides of the upper and lower ends of the two sliding bars, limiting blocks are respectively arranged inside the four limiting holes, a first filter is fixedly installed on the left side of the interior of the mounting frame, an activated carbon plate is fixedly installed on the middle part of the interior of the mounting frame, a second filter is fixedly installed on the right side of the interior of the mounting frame, and a pull ring is fixedly installed on the front lower part of the mounting frame.

[0007] Preferably, first slide grooves are respectively provided at the front and rear ends of the connection flange at the left end of the valve body, and second slide grooves are respectively provided at the front and rear ends of the left side of the valve body.

[0008] Preferably, the first sliding groove and the second sliding groove are consistent in shape and position.

[0009] Preferably, the slide bar is arranged and installed inside the second slide groove.

[0010] Preferably, the four limit blocks are fixedly mounted on the right sides of the upper and lower ends of the two second slide grooves respectively.

[0011] Preferably, the limiting block is a limiting block with a hemispherical structure.

[0012] The utility model has the following beneficial effects:

[0013] The utility model provides an installation frame, a first filter screen, an activated carbon plate, a second filter screen, a pull ring, a slide bar, a limit hole and a limit block, so that when the valve is in use, the water entering the valve can be filtered through the first filter screen, the activated carbon plate and the second filter screen to prevent impurities in the water from entering the valve body and causing damage to the valve body. When the filter is damaged, the installation frame, the pull ring, the slide bar, the limit hole and the limit block can be used to quickly install and disassemble, speed up the replacement speed, and increase work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of a double-seal valve proposed by the utility model;

[0015] Figure 2 This is a schematic diagram of the explosion structure of a double-seal valve proposed by the utility model;

[0016] Figure 3 This is a schematic cross-sectional view of the connection between a limit block and a limit hole of a double-seal valve proposed by the utility model;

[0017] Figure 4 A double sealing valve proposed by the utility model Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.

[0018] In the figure: 1. valve body; 101. turning handle; 2. connecting flange; 3. mounting frame; 4. first filter screen; 5. activated carbon plate; 6. second filter screen; 7. pull ring; 8. slide bar; 9. limit hole; 10. limit block. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-4A double-sealed valve comprises a valve body 1, wherein the left and right ends of the valve body 1 are respectively fixedly mounted with connecting flanges 2, and the front and rear ends of the connecting flange 2 at the left end of the valve body 1 are respectively provided with first slide grooves, and the front and rear ends of the left side of the valve body 1 are respectively provided with second slide grooves, and the shapes and positions of the first slide groove and the second slide groove are consistent, and a rotating handle 101 is fixedly mounted on the top of the valve body 1, and an installation frame 3 is fixedly mounted inside the valve body 1, and slide bars 8 are respectively fixedly mounted on the front and rear ends of the installation frame 3, and the slide bars 8 are arranged inside the second slide groove, and limiting holes 9 are respectively provided on the right sides of the upper and lower ends of the two slide bars 8, and limiting blocks 10 are respectively arranged inside the four limiting holes 9, and the four limiting blocks 10 are respectively fixedly mounted on the two second On the right side of the upper and lower ends of the slide groove, the limit block 10 is a limit block of a hemispherical structure. When the filter is damaged, the pull ring 7 is pulled to drive the installation frame 3 and the slide bar 8 to move, thereby releasing the limit of the limit block 10 on the slide bar 8, and it is removed and replaced, so as to achieve rapid installation and disassembly, speed up the replacement speed, and increase the work efficiency. The first filter screen 4 is fixedly installed on the left side of the interior of the installation frame 3, the activated carbon plate 5 is fixedly installed in the middle part of the interior of the installation frame 3, and the second filter screen 6 is fixedly installed on the right side of the interior of the installation frame 3. The water quality entering the valve is filtered by the first filter screen 4, the activated carbon plate 5 and the second filter screen 6 to prevent impurities in the water from entering the valve body 1 and causing damage to the valve body 1. A pull ring 7 is fixedly installed on the lower front end of the installation frame 3.

[0021] The use method and advantages of the utility model: When the double-sealed valve is in use, the working process is as follows:

[0022] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, when using the double-sealed valve, first insert the slide bar 8 into the first slide groove and the second slide groove provided inside the connecting flange 2 and the valve body 1, thereby driving the installation frame 3, the first filter screen 4, the activated carbon plate 5 and the second filter screen 6 to be installed inside the valve body 1, and then the limiting block 10 is clamped inside the limiting hole 9 for fixed limiting, and then the water quality entering the valve is filtered by the first filter screen 4, the activated carbon plate 5 and the second filter screen 6 to prevent impurities in the water from entering the valve body 1 and causing damage to the valve body 1. When the filtration is damaged, the installation frame 3 and the slide bar 8 are driven to move by pulling the pull ring 7, thereby releasing the limiting block 10 on the slide bar 8, and it is removed and replaced, thereby achieving rapid installation and disassembly, accelerating the replacement speed, and increasing the work efficiency.

[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A double-seal valve, comprising a valve body (1), characterized in that: The left and right ends of the valve body (1) are respectively fixedly mounted with connecting flanges (2); the top of the valve body (1) is fixedly mounted with a rotating handle (101); the interior of the valve body (1) is fixedly mounted with a mounting frame (3); the front and rear ends of the mounting frame (3) are respectively fixedly mounted with sliding bars (8); the upper and lower ends of the two sliding bars (8) are respectively provided with limiting holes (9); the interiors of the four limiting holes (9) are respectively provided with limiting blocks (10); the interior of the mounting frame (3) is fixedly mounted with a first filter screen (4) on the left side; the interior of the mounting frame (3) is fixedly mounted with an activated carbon plate (5) in the middle; the interior of the mounting frame (3) is fixedly mounted with a second filter screen (6) on the right side; and the front end of the mounting frame (3) is fixedly mounted with a pull ring (7).

2. A double sealing valve according to claim 1, characterized in that: A first slide groove is respectively provided at the front and rear ends of the connecting flange (2) at the left end of the valve body (1), and a second slide groove is respectively provided at the front and rear ends of the left side of the valve body (1).

3. A double sealing valve according to claim 2, characterized in that: The first sliding groove and the second sliding groove are consistent in shape and position.

4. A double sealing valve according to claim 1, characterized in that: The slide bar (8) is arranged and installed inside the second slide groove.

5. A double sealing valve according to claim 1, characterized in that: The four limit blocks (10) are respectively fixedly mounted on the right sides of the upper and lower ends of the two second sliding grooves.

6. A double sealing valve according to claim 1, characterized in that: The limiting block (10) is a limiting block with a hemispherical structure.

Images