Butterfly valve with automatic cleaning function

Abstract

The utility model discloses an automatic cleaning butterfly valve which comprises a valve body, a valve plate is arranged on the inner side of the valve body in a rotating fit mode, a clamping assembly corresponding to the valve plate is arranged on the outer side of the valve body, a mounting plate is arranged at one end of the valve plate, a hollow shaft located in the valve body is arranged on one side of the mounting plate in a rotating fit mode, and three frame bodies are arranged on the peripheral side of the hollow shaft. Scraping plates are arranged in the three frame bodies in a sliding fit mode. By means of the pushing assembly, the pushing assembly pushes the three trapezoidal blocks to generate or cancel the clamping relation with the three openings, so that the three trapezoidal blocks drive the three scrapers to be in sliding fit with the interiors of the three frame bodies, and the distance between the scrapers and the frame bodies can be adjusted to the optimal position suitable for scraping according to the size of a valve body; and meanwhile, the hollow shaft can drive the three scraping plates and the three frame bodies to rotate, so that the three scraping plates rotationally scrape impurities or moss on the inner wall of the valve body.

Description

TECHNICAL FIELD

[0001] The utility model relates to butterfly valve technical field, concretely relates to a butterfly valve of automatic cleaning. BACKGROUND

[0002] The butterfly valve is also called flap valve, it is a simple structure regulating valve, can be used for low pressure pipeline medium switch control butterfly valve is to refer to the disc as the closing piece, rotates around the valve shaft to reach the opening and closing of a kind of valve, can be used to control air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive medium and the flow of various types fluid, and butterfly valve mainly plays cut-off and throttling effect on pipeline.

[0003] After long time use, the inner wall of the valve body will produce impurity accumulation or moss breeding, it is difficult to clean the impurities or moss due to the blocking of the valve piece, so as to cause the blockage of the butterfly valve, affect the flow effect of the butterfly valve. Therefore, an automatic cleaning butterfly valve is needed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a butterfly valve of automatic cleaning to solve the above insufficient in prior art.

[0005] In order to realize the above purpose, the utility model provides the following technical scheme:

[0006] A butterfly valve of automatic cleaning, including valve body, the inner side of valve body is rotationally cooperated with valve plate, the outer side of valve body is equipped with the clamping assembly corresponding with valve plate, one end of valve plate is equipped with mounting plate, one side of mounting plate is rotationally cooperated with hollow shaft in the inside of valve body, the periphery of hollow shaft is equipped with three frame bodies, the inside of three frame bodies is slidably cooperated with scraper, the periphery of hollow shaft is equipped with three openings;

[0007] One end of three scrapers is equipped with trapezoidal block, the trapezoidal block is located in the opening, the hollow shaft is slidably cooperated with the pushing assembly corresponding with three trapezoidal blocks, and the inside of valve body is slidably cooperated with the scraper cover corresponding with three frame bodies.

[0008] Further, the pushing assembly includes the first air cylinder equipped on one side of the mounting plate, the I-shaped rod fixed to the output end of the first air cylinder, the three sliding blocks equipped on one end of the I-shaped rod, and the I-shaped rod is slidably cooperated with the inside of the hollow shaft.

[0009] Further, the slider corresponds to the inclined side of the trapezoidal block, the trapezoidal block is slidingly fitted in the inner side of the opening, and both ends of the mounting plate are provided with bolts, one end of the valve body is provided with two mounting holes, and the first thread groove is formed in the two mounting holes.

[0010] Further, two springs are arranged between the inner wall of the three frame bodies and one end of the three trapezoidal blocks, the trapezoidal block is located between the adjacent two springs, and the first motor and the second cylinder are arranged on one side of the mounting plate.

[0011] Further, three clamping grooves are formed in the middle of the scraping cover, cleaning brushes are arranged on the inner wall of the three clamping grooves and the circumferential side of the scraping cover, the three clamping grooves are connected, the three frame bodies are located in the three clamping grooves, and the output end of the second cylinder is fixed to the upper side of the scraping cover.

[0012] Further, grooves are formed in the circumferential side of the valve body and the inner side of the valve plate and are connected, a T-shaped rod is rotatably arranged in one of the grooves, second thread grooves are formed in the circumferential side of one end of the T-shaped rod and the inner side of one of the grooves, and the two second thread grooves correspond to each other.

[0013] Further, the clamping assembly comprises a fixed frame arranged on the circumferential side of the valve body and corresponding to the other groove, a sliding groove formed in the middle of the fixed frame and connected to the other groove, and a bidirectional screw rod rotatably arranged in the inner side of the fixed frame, and the T-shaped rod is located in the sliding groove.

[0014] Further, the clamping assembly further comprises two clamping blocks threadedly arranged at both ends of the bidirectional screw rod, and a second motor arranged on one side of the fixed frame, wherein the output end of the second motor is fixed to one end of the bidirectional screw rod, and the two clamping blocks correspond to the T-shaped rod.

[0015] In the above technical solution, the automatic cleaning butterfly valve has the following beneficial effects:

[0016] 1. The clamping assembly can cancel the fixation of the valve plate, thereby separating the valve plate from the valve body and preparing for cleaning the inner wall of the valve body.

[0017] 2. The pushing assembly can make the pushing assembly push the three trapezoidal blocks to generate or cancel the clamping relationship with the three openings, so that the three trapezoidal blocks drive the three scraping plates to be slidingly fitted in the inner sides of the three frame bodies, and the distance between the scraping plates and the frame bodies can be adjusted to the optimal position suitable for scraping according to the size of the valve body.

[0018] 3、Through the hollow shaft, three scrapers and three frame bodies can be driven to rotate, so that the three scrapers rotate to scrape off the impurities or moss on the inner wall of the valve body, effectively reducing the situation that the valve body is blocked due to impurity accumulation or moss breeding, and ensuring the flow effect of the valve body. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0020] Figure 1 A structure perspective view is provided for the embodiment of the automatic cleaning butterfly valve of the present application.

[0021] Figure 2 A valve plate structure schematic view is provided for the embodiment of the automatic cleaning butterfly valve of the present application.

[0022] Figure 3 An installation plate structure schematic view is provided for the embodiment of the automatic cleaning butterfly valve of the present application.

[0023] Figure 4 A hollow shaft structure schematic view is provided for the embodiment of the automatic cleaning butterfly valve of the present application.

[0024] Figure 5 A scraper structure schematic view is provided for the embodiment of the automatic cleaning butterfly valve of the present application.

[0025] Figure 6 A trapezoidal block structure schematic view is provided for the embodiment of the automatic cleaning butterfly valve of the present application.

[0026] Figure 7 A fixed frame structure schematic view is provided for the embodiment of the automatic cleaning butterfly valve of the present application.

[0027] 1, valve body; 2, valve plate; 3, clamping assembly; 4, installation plate; 5, hollow shaft; 6, frame body; 7, scraper; 8, opening; 9, trapezoidal block; 10, pushing assembly; 11, scraper cover; 12, first air cylinder; 13, I-shaped rod; 14, sliding block; 15, spring; 16, first motor; 17, second air cylinder; 18, clamping groove; 19, groove; 20, T-shaped rod; 21, second threaded groove; 22, fixed frame; 23, bidirectional screw rod; 24, clamping block; 25, second motor. DETAILED DESCRIPTION

[0028] In order to make the technical personnel of the prior art better understand the technical scheme of the present application, the present application will be further described in detail below with reference to the drawings.

[0029] As Figures 1-7 shown, the utility model discloses a kind of automatic cleaning butterfly valves, including valve body 1, the inside rotation cooperation of valve body 1 is equipped with valve plate 2, the outside of valve body 1 is equipped with corresponding clamping assembly 3 with valve plate 2, one end of valve plate 2 is equipped with mounting plate 4, one side rotation cooperation of mounting plate 4 is equipped with hollow shaft 5 in the inside of valve body 1, three frame bodies 6 are equipped with in the circumferential side of hollow shaft 5, three frame bodies 6 are slidably fitted with scraper 7 in the inside, three openings 8 are set up in the circumferential side of hollow shaft 5, one end of three scrapers 7 is equipped with trapezoidal block 9, trapezoidal block 9 is in opening 8, corresponding push assembly 10 is slidably fitted with in hollow shaft 5 with three trapezoidal blocks 9, and the inside of valve body 1 is slidably fitted with corresponding scraper cover 11 with three frame bodies 6.

[0030] In the embodiment, the inside of valve body 1 is rotationally fitted with valve plate 2, and the outside of valve body 1 is equipped with corresponding clamping assembly 3 with valve plate 2.

[0031] Specifically, the circumferential side of valve body 1 and the inside of valve plate 2 are both provided with a recess 19 in communication, a T-shaped rod 20 is rotationally fitted in one recess 19, a second thread groove 21 is formed in the circumferential side of one end of the T-shaped rod 20 and the inside of the one recess 19, and the two second thread grooves 21 correspond to each other. The two second thread grooves 21 can facilitate the installation and disassembly of the T-shaped rod 20 and the valve plate 2.

[0032] In the embodiment, the inside of valve body 1 is rotationally fitted with valve plate 2, and the outside of valve body 1 is equipped with corresponding clamping assembly 3 with valve plate 2.

[0033] Specifically, the clamping assembly 3 includes a fixed frame 22 disposed on the circumferential side of the valve body 1 and corresponding to the other recess 19, a sliding groove formed in the middle of the fixed frame 22 and in communication with the other recess 19, and a bidirectional screw rod 23 rotationally fitted in the inside of the fixed frame 22, and the T-shaped rod 20 is located in the sliding groove.

[0034] Specifically, the clamping assembly 3 further includes two clamping blocks 24 threadedly fitted at both ends of the bidirectional screw rod 23, a second motor 25 disposed on one side of the fixed frame 22, the output end of the second motor 25 is fixed to one end of the bidirectional screw rod 23, and the two clamping blocks 24 correspond to the T-shaped rod 20. The bidirectional screw rod 23 is provided, so that the two clamping blocks 24 are threadedly fitted with the bidirectional screw rod 23, thereby driving the two bidirectional screw rods 23 to move relatively and clamping and fixing the T-shaped rod 20.

[0035] In this embodiment, one end of the valve plate 2 is provided with a mounting plate 4, one side of the mounting plate 4 is rotatably connected with a hollow shaft 5 inside the valve body 1, the periphery of the hollow shaft 5 is provided with three frame bodies 6, the inside of each of the three frame bodies 6 is slidably connected with a scraper 7, the periphery of the hollow shaft 5 is provided with three openings 8, and one end of each of the three scrapers 7 is provided with a trapezoidal block 9.

[0036] Specifically, two springs 15 are arranged between one end of each of the three trapezoidal blocks 9 and the inner wall of each of the three frame bodies 6, the trapezoidal block 9 is located between the adjacent two springs 15, one side of the mounting plate 4 is provided with a first motor 16 and a second cylinder 17, and the output end of the first motor 16 is fixedly connected with one end of the hollow shaft 5. The two springs 15 can be elastically stretched according to the distance between the trapezoidal block 9 and the frame body 6, so as to ensure the stability of the scraper 7 when it extends into the frame body 6.

[0037] In this embodiment, the trapezoidal block 9 is located in the opening 8, and the hollow shaft 5 is slidably connected with a pushing assembly 10 corresponding to the three trapezoidal blocks 9.

[0038] Specifically, the pushing assembly 10 comprises a first cylinder 12 arranged on one side of the mounting plate 4, an I-shaped rod 13 fixedly connected with the output end of the first cylinder 12, and three sliding blocks 14 arranged at one end of the I-shaped rod 13, and the I-shaped rod 13 is slidably connected with the inside of the hollow shaft 5. The first cylinder 12 can drive the I-shaped rod 13 to move horizontally in the hollow shaft 5, so that the three sliding blocks 14 press the three trapezoidal blocks 9, and the three trapezoidal blocks 9 extend out of the three frame bodies 6 at the same time, so as to better scrape off the impurities or moss on the inner wall of the valve body 1.

[0039] Specifically, the sliding block 14 corresponds to the inclined side of the trapezoidal block 9, the trapezoidal block 9 is slidably connected with the inside of the opening 8, and the two ends of the mounting plate 4 are provided with bolts, one end of the valve body 1 is provided with two mounting holes, and each of the two mounting holes is provided with a first thread groove, and the first thread groove is threadedly connected with the bolt. The two bolts can facilitate the operator to install and dismount the valve body 1 and the mounting plate 4.

[0040] In this embodiment, the inside of the valve body 1 is slidably connected with a scraper cover 11 corresponding to the three frame bodies 6.

[0041] Specifically, the middle part of the scraping cover 11 is provided with three clamping grooves 18, the inner wall of the three clamping grooves 18 and the peripheral side of the scraping cover 11 are both provided with cleaning brushes, the three clamping grooves 18 are connected, the three frame bodies 6 are respectively located in the three clamping grooves 18, and the output end of the second cylinder 17 is fixed to the upper side of the scraping cover 11. The one end of the three frame bodies 6 and the inside of one end of the valve body 1 leave a gap, and the scraping cover 11 is located at the gap. Through the scraping cover 11, the impurities or moss on the inner wall of the valve body 1 can be scraped again, and the scraping cover 11 can simultaneously scrape the impurities or moss falling on the peripheral side of the frame body 6, facilitating the next use of the three scraping covers 11.

[0042] Working steps: when the valve plate 2 is disassembled, the second motor 25 is started, the output end of the second motor 25 drives the bidirectional screw rod 23 to rotate, so that the two clamping blocks 24 are threadedly connected with the bidirectional screw rod 23, thereby driving the two clamping blocks 24 to move away from each other, canceling the clamping of the T-shaped rod 20, then the valve plate 2 is manually held, and the T-shaped rod 20 is rotated, so that the two second screw thread grooves 21 are threadedly connected, thereby separating the T-shaped rod 20 from the valve plate 2, so that the operator moves the valve plate 2 out of the valve body 1;

[0043] When the inner wall of the valve body 1 needs to be cleaned, the hollow shaft 5 is first inserted into the inside of the valve body 1, and the two bolts are manually tightened, so that the two bolts are threadedly connected with the two first screw thread grooves, thereby fixing and connecting the mounting plate 4 and one end of the valve plate 2, then the first cylinder 12 is started, the output end of the first cylinder 12 drives the I-shaped rod 13 to move horizontally on the inner wall of the hollow shaft 5, at this time, the three sliding blocks 14 extrude the three trapezoidal blocks 9, so that the three trapezoidal blocks 9 synchronously extend out of the three frame bodies 6, thereby the three scrapers 7 are slidingly connected with the three frame bodies 6, at this time, one end of the three scrapers 7 is attached to the inner wall of the valve body 1, and the two springs 15 are synchronously elastically stretched, at this time, the first motor 16 is started, the output end of the first motor 16 drives the hollow shaft 5 to rotate, so that the hollow shaft 5 drives the three scrapers 7 to synchronously rotate, thereby the three scrapers 7 rotate and scrape the impurities or moss on the inner wall of the valve body 1, realizing the cleaning work of the inner wall of the valve body 1.

[0044] When the peripheral side of the scraper 7 and the frame body 6 needs to be cleaned, the second cylinder 17 is started, the output end of the second cylinder 17 drives the scraping cover 11 to move horizontally on the inner wall of the valve body 1, at this time, the cleaning brushes arranged on the peripheral side of the scraping cover 11 scrape the impurities or moss on the inner wall of the valve body 1 again, and the cleaning brushes arranged in the three clamping grooves 18 can scrape the impurities and moss falling on the peripheral side of the scraper 7 and the frame body 6, realizing the cleaning work of the peripheral side of the scraper 7 and the frame body 6.

[0045] Four, need to rotate the valve plate 2 to release or throttle, first cancel the clamping and fixing to the T-shaped rod 20, then manually rotate the T-shaped rod 20, at this time the T-shaped rod 20 drives the valve plate 2 to rotate on the inner wall of the valve body 1, meanwhile the T-shaped rod 20 rotates in the sliding groove, after rotating, start the clamping assembly 3, the clamping assembly 3 clamps and fixes the rotated T-shaped rod 20, thereby realizing release or throttling.

[0046] The above only describes certain exemplary embodiments of the present application by way of illustration, without doubt, for those skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the present application.

Claims

1. An automatic cleaning butterfly valve comprising a valve body (1), characterized in that, The inner side of the valve body (1) is rotationally fitted with a valve plate (2), the outer side of the valve body (1) is provided with a clamping assembly (3) corresponding to the valve plate (2), one end of the valve plate (2) is provided with a mounting plate (4), one side of the mounting plate (4) is rotationally fitted with a hollow shaft (5) located inside the valve body (1), the peripheral side of the hollow shaft (5) is provided with three frame bodies (6), the interiors of the three frame bodies (6) are all slidingly fitted with scrapers (7), and the peripheral side of the hollow shaft (5) is provided with three openings (8). One end of each of the three scrapers (7) is provided with a trapezoidal block (9), the trapezoidal block (9) is located in the opening (8), the hollow shaft (5) is slidingly fitted with a pushing assembly (10) corresponding to the three trapezoidal blocks (9), and the inner side of the valve body (1) is slidingly fitted with a scraper cover (11) corresponding to the three frame bodies (6).

2. The self-cleaning butterfly valve according to claim 1, wherein The pushing assembly (10) comprises a first air cylinder (12) provided on one side of the mounting plate (4), an I-shaped rod (13) fixed to the output end of the first air cylinder (12), and three sliding blocks (14) provided on one end of the I-shaped rod (13), wherein the I-shaped rod (13) is slidingly fitted to the inner side of the hollow shaft (5).

3. The self-cleaning butterfly valve according to claim 2, wherein, The sliding block (14) corresponds to the inclined side of the trapezoidal block (9), the trapezoidal block (9) is slidingly fitted to the inner side of the opening (8), both ends of the mounting plate (4) are provided with bolts, one end of the valve body (1) is provided with two mounting holes, and first thread grooves are formed in the two mounting holes.

4. The self-cleaning butterfly valve of claim 1, wherein, Two springs (15) are arranged between one end of each of the three trapezoidal blocks (9) and the inner wall of each of the three frame bodies (6), the trapezoidal block (9) is located between adjacent two springs (15), and a first motor (16) and a second air cylinder (17) are arranged on one side of the mounting plate (4), and the output end of the first motor (16) is fixed to one end of the hollow shaft (5).

5. The self-cleaning butterfly valve according to claim 4, wherein, A middle part of the scraper cover (11) is provided with three clamping grooves (18), cleaning brushes are arranged on the inner wall of each of the three clamping grooves (18) and the peripheral side of the scraper cover (11), the three clamping grooves (18) are connected in communication, the three frame bodies (6) are located in the three clamping grooves (18) respectively, and the output end of the second air cylinder (17) is fixed to the upper side of the scraper cover (11).

6. The self-cleaning butterfly valve of claim 1, wherein, The peripheral side of the valve body (1) and the interior of the valve plate (2) are both provided with recesses (19) in communication, a T-shaped rod (20) is rotationally fitted in one of the recesses (19), a second thread groove (21) is formed in the peripheral side of one end of the T-shaped rod (20) and the interior of one of the recesses (19), and the two second thread grooves (21) correspond to each other.

7. The self-cleaning butterfly valve according to claim 6, wherein The clamping assembly (3) comprises a fixed frame (22) arranged on the side of the valve body (1) and corresponding to the other recess (19), a sliding groove opened in the middle of the fixed frame (22) and communicating with the other recess (19), and a bidirectional screw rod (23) rotationally fitted in the fixed frame (22), and the T-shaped rod (20) is located in the sliding groove.

8. The self-cleaning butterfly valve according to claim 7, wherein, The clamping assembly (3) further comprises two clamping blocks (24) threadedly fitted on both ends of the bidirectional screw rod (23), and a second motor (25) arranged on one side of the fixed frame (22), wherein the output end of the second motor (25) is fixed to one end of the bidirectional screw rod (23), and the two clamping blocks (24) correspond to the T-shaped rod (20).

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