Online cleaning type flow regulating valve

Abstract

The utility model discloses a flow regulating valve capable of being cleaned on line, which belongs to the field of flow regulating valves and comprises a first valve body and a second valve body, the first valve body and the second valve body are tightly connected through a bolt, an internal channel pipe is communicated, and connecting flanges are arranged at the ends, deviating from each other, of the first valve body and the second valve body. A connecting plate is installed at the top of the second valve body, a ball valve is rotationally installed at the end, close to the first valve body, of the interior of a channel of the second valve body, a flow channel is horizontally formed in the surface of the ball valve, a boss is arranged on one side of the second valve body, and after the ball valve is completely closed, a positioning pin on a handle is matched with a positioning hole in the connecting plate to keep fixed; and at the moment, the angle of the ball valve flow channel is perpendicular to the valve body channel and corresponds to the through hole, so that the end of the sliding rod is controlled externally to stretch into the ball valve flow channel and rotate to scrape the inner wall of the ball valve flow channel, online cleaning is achieved under the condition that disassembly is not conducted, and cleaning convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to flow regulating valve field, more specifically, relate to a kind of on-line cleanable flow regulating valve. BACKGROUND

[0002] Flow regulating valve is a kind of valve for controlling the flow of fluid in pipeline, widely used in industrial production, chemical industry, petroleum, natural gas, water treatment and many other fields, common ball valve type flow regulating valve, butterfly valve type flow regulating valve, gate valve type flow regulating valve, stop valve type flow regulating valve etc., wherein ball valve type flow regulating valve, by changing the rotation angle of ball valve core, the relative position of ball body through hole and pipeline is adjusted, to change the flow area of medium, and then control the flow size.When ball body through hole and pipeline axis are completely coincident, valve is in full open state, and flow is maximum;When ball rotates to through hole and pipeline axis is perpendicular, valve is closed, and flow is zero, after long time use, dirt is attached to the inner wall of ball valve flow passage, which affects the flow control accuracy, therefore, flow regulating valve needs to be cleaned regularly, and the existing regulating valve needs to be disassembled to take out ball valve when cleaning, which is extremely inconvenient. SUMMARY

[0003] 1. TECHNICAL PROBLEM TO BE SOLVED

[0004] In view of the problems in the prior art, the utility model aims to provide a kind of on-line cleanable flow regulating valve, which can clean the inner wall flow passage of ball valve without disassembly.

[0005] 2. TECHNICAL SCHEME

[0006] To solve the above problems, the utility model adopts the following technical scheme.

[0007] A kind of on-line cleanable flow regulating valve, including first valve body and second valve body, the first valve body and second valve body are tightly connected by bolt and internal passage pipe is through, the first valve body and second valve body are provided with connecting flange at one end away from each other, the second valve body top is installed with connecting plate, the second valve body passage is rotatably installed with ball valve at one end close to the first valve body, the surface of ball valve is horizontally provided with flow passage, the second valve body one side is provided with boss, the boss surface is provided with through hole, the boss and flow passage diameter size are equal, the through hole end is installed with sealing cover, the center surface of sealing cover is penetrated by slide rod, the slide rod one end is provided with scraper, the scraper end and through hole inner wall are in contact.

[0008] Further, the end of the slide rod away from the scraper is provided with a knob, and the knob is placed outside the boss.

[0009] Further, the sliding rod surface is sleeved with a spring, one end of the spring is in contact with the outer surface of the sealing cover, and the other end of the spring is in contact with the knob.

[0010] Further, the upper surface of the ball valve is provided with a rotating shaft, the rotating shaft is perpendicular to the flow channel axis, and the rotating shaft penetrates the connecting plate.

[0011] Further, a sleeve handle is installed at the top of the rotating shaft, the sleeve handle is above the connecting plate, one side of the connecting plate is provided with an extension plate, and a positioning hole is formed in the surface of the extension plate.

[0012] Further, the sleeve handle is provided with an ear plate on one side of the rotating part, the ear plate is on one side of the flow channel axis, a positioning pin vertically penetrates the surface of the ear plate, and the bottom end of the positioning pin is matched with the inner size of the positioning hole.

[0013] 3. Beneficial effects

[0014] Compared with the prior art, the utility model has the advantages that the utility model provides a flow regulating valve with online cleaning function, when the ball valve is completely closed, the positioning pin on the handle and the positioning hole on the connecting plate are matched to keep fixed, at this time, the flow channel angle of the ball valve is perpendicular to the valve body channel and corresponds to the through hole, so that the end of the sliding rod is extended into the flow channel of the ball valve and is rotated to scrape the inner wall of the flow channel of the ball valve, so that online cleaning is realized without disassembly, and the convenience of cleaning is improved.

[0015] When the valve is opened, the scraper is placed in the through hole due to the existence of the spring, and the rotation of the ball valve is not affected. ACCURATE DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is an explosion structure schematic diagram of the utility model;

[0018] Figure 3 It is a sectional three-dimensional structure schematic diagram of the utility model;

[0019] Figure 4 It is a sectional structure schematic diagram of the utility model;

[0020] Figure 5 It is an A area of the utility model; Figure 1 Enlarged structure schematic diagram.

[0021] Explanations of reference numerals in the drawings: 1, first valve body; 2, second valve body; 21, boss; 22, through hole; 3, connecting plate; 31, extension plate; 32, positioning hole; 4, ball valve; 41, flow channel; 42, rotating shaft; 5, sleeve handle; 51, ear plate; 52, positioning pin; 6, sealing cover; 7, sliding rod; 71, knob; 72, scraper; 8, spring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0023] Embodiment:

[0024] Please refer to Figures 1-4 As shown in the drawings, an online cleanable flow regulating valve comprises a first valve body 1 and a second valve body 2, the first valve body 1 and the second valve body 2 are tightly connected through bolts and the internal passage pipes are through, the first valve body 1 and the second valve body 2 are both provided with a connecting flange at the end away from each other, so as to facilitate the installation of the whole regulating valve on the pipeline, the second valve body 2 is provided with a connecting plate 3 at the top, a sealing gasket is arranged between the connecting plate 3 and the second valve body 2 to prevent leakage, a ball valve 4 is rotatably installed at the end of the second valve body 2 close to the first valve body 1, a curved surface is formed in the passage of the second valve body 2 to match the ball valve 4, so as to ensure that the ball valve 4 is tightly attached to prevent leakage, a flow channel 41 is horizontally formed on the surface of the ball valve 4, the ball valve 4 is rotated to control the overlapping area of the flow channel 41 and the valve passage, thereby controlling the flow size, a boss 21 is arranged on one side of the second valve body 2 to increase the thickness of the corresponding area, a through hole 22 is formed on the surface of the boss 21, the diameter of the boss 21 is equal to that of the flow channel 41, so that the through hole 22 and the flow channel 41 are coaxial and the inner walls are flush when the ball valve 4 is completely closed, a sealing cover 6 is installed at the end of the through hole 22 to improve the sealing performance, a sliding rod 7 penetrates the center surface of the sealing cover 6, the sliding rod 7 can slide and rotate along the axis, a scraper 72 is arranged at one end of the sliding rod 7, the end of the scraper 72 is in contact with the inner wall of the through hole 22, when cleaning is needed, the sliding rod 7 is pushed to make the scraper 72 enter the flow channel 41 of the valve body 4, and the sliding rod 7 is rotated to make the scraper 72 rotate along the inner wall of the flow channel 41, thereby achieving the cleaning work.

[0025] The end of the sliding rod 7 away from the scraper 72 is provided with a knob 71, the knob 71 is arranged outside the boss 21, so as to facilitate the control of the sliding rod 7 by the outside.

[0026] Please refer to Figure 2 and Figure 3As shown, the slide rod 7 surface is provided with a spring 8, one end of the spring 8 is in contact with the outer surface of the sealing cover 6, the other end of the spring 8 is in contact with the knob 71, the spring 8 is used to make the knob 71 have an outward force so that the scraper 72 is placed inside the through hole 22, which will not affect the rotation of the ball valve 4.

[0027] Please refer to Figures 2-4 As shown, the upper surface of the ball valve 4 is provided with a rotating shaft 42, the rotating shaft 42 is perpendicular to the axis of the flow channel 41, the rotating shaft 42 is rotatably connected to the connecting plate 3, the rotating shaft 42 is vertically arranged, the rotating shaft 42 is used to control the rotation of the ball valve 4, so as to control the angle of the flow channel 41.

[0028] Please refer to Figure 1 And Figure 5 As shown, the sleeve handle 5 is installed on the top of the rotating shaft 42, the sleeve handle 5 is placed above the connecting plate 3, one side of the connecting plate 3 is provided with an extension plate 31, the surface of the extension plate 31 is provided with a positioning hole 32, one side of the rotating part of the sleeve handle 5 is provided with an ear plate 51, the ear plate 51 is placed on one side of the axis of the flow channel 41, the surface of the ear plate 51 is vertically and slidably penetrated by a positioning pin 52, when the ball valve 4 is completely closed, the ear plate 51 is placed directly above the extension plate 31, so that the positioning pin 52 can smoothly enter the inside of the positioning hole 32, the bottom end of the positioning pin 52 is matched with the inside size of the positioning hole 32, the sleeve handle 5 cannot be rotated through the cooperation of the two, and then the ball valve 4 remains in the closed state, the flow channel 41 and the through hole 22 remain in the state of axis coincidence, so as to clean the inner wall of the flow channel 41 through the slide rod 7.

[0029] Working principle: when in use, the device is connected to the pipeline through the flange surface at both ends of the first valve body 1 and the second valve body 2, so that the fluid can flow through the first valve body 1 and the second valve body 2, the opening and closing of the valve is controlled by the rotation of the ball valve 4, the ball valve 4 is rotated, the flow is largest when the flow channel 41 coincides with the fluid passage, after being rotated by 90°, the valve body is closed, and then the position of the flow channel 41 can be controlled to adjust the flow size, at the same time, due to the existence of the spring 8, the knob 71 is always subjected to an outward force, and then the scraper 72 is placed inside the through hole 22, which will not affect the rotation of the ball valve 4, when the ball valve 4 is in the closed state, the ear plate 51 is placed directly above the extension plate 31, and is fixed through the cooperation of the positioning pin 52 and the positioning hole 32, at this time, the flow channel 41 is perpendicular to the valve passage and coincides with the axis of the through hole 22, the knob 71 is pushed and rotated to control the scraper 72 to enter the inside of the flow channel 41, and the dirt on the inner wall of the flow channel 41 is scraped off through rotation, and then the flow channel 41 of the ball valve 4 is cleaned without disassembly.

[0030] The above merely describes a preferred embodiment of the present application; the scope of protection of the present application is not limited thereto. Any skilled person in the art, according to the technical scheme and improvement concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the scope of protection of the present application.

Claims

1. An online cleanable flow regulating valve comprising a first valve body (1) and a second valve body (2), characterized in that: The first valve body (1) and the second valve body (2) are tightly connected by bolts and the internal channel pipe penetrates, one end of the first valve body (1) and the second valve body (2) away from each other is provided with a connecting flange, the top of the second valve body (2) is provided with a connecting plate (3), the end of the second valve body (2) close to the first valve body (1) is rotatably provided with a ball valve (4), the surface of the ball valve (4) is horizontally provided with a flow channel (41), one side of the second valve body (2) is provided with a boss (21), the surface of the boss (21) is provided with a through hole (22), the boss (21) is equal in diameter to the flow channel (41), the end of the through hole (22) is provided with a sealing cover (6), the center surface of the sealing cover (6) penetrates a slide rod (7), one end of the slide rod (7) is provided with a scraper (72), the end of the scraper (72) is in contact with the inner wall of the through hole (22).

2. An online cleanable flow regulating valve according to claim 1, characterized in that: The end of the slide rod (7) away from the scraper (72) is provided with a knob (71), and the knob (71) is arranged outside the boss (21).

3. An online cleanable flow regulating valve according to claim 2, wherein: The surface of the slide rod (7) is provided with a spring (8), one end of the spring (8) is in contact with the outer surface of the sealing cover (6), and the other end of the spring (8) is in contact with the knob (71).

4. The online cleanable flow regulating valve of claim 1, wherein: The upper surface of the ball valve (4) is provided with a rotating shaft (42), the rotating shaft (42) is perpendicular to the axis of the flow channel (41), and the rotating shaft (42) rotatably penetrates the connecting plate (3).

5. An online cleanable flow regulating valve according to claim 4 wherein: The top of the rotating shaft (42) is provided with a sleeve handle (5), the sleeve handle (5) is arranged above the connecting plate (3), one side of the connecting plate (3) is provided with an extension plate (31), and the surface of the extension plate (31) is provided with a positioning hole (32).

6. An online cleanable flow regulating valve according to claim 5 wherein: One side of the rotating part of the sleeve handle (5) is provided with an ear plate (51), the ear plate (51) is arranged on one side of the axis of the flow channel (41), the surface of the ear plate (51) is vertically and slidably penetrated by a positioning pin (52), and the bottom end of the positioning pin (52) is matched with the inner size of the positioning hole (32).

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