CN210164907U

CN210164907U - Filtration formula electric butterfly valve with automatic blowdown function

Info

Publication number: CN210164907U
Application number: CN201920544415.3U
Authority: CN
Inventors: 任浩洁
Original assignee: Hangzhou Lafang Mechanical And Electrical Equipment Co Ltd
Current assignee: Hangzhou Lafang Mechanical And Electrical Equipment Co Ltd
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2020-03-20
Anticipated expiration: 2029-04-19

Abstract

The utility model provides a filtration formula electric butterfly valve with automatic blowdown function relates to electromagnetism motorised valve field. This filtration formula electric butterfly valve with automatic blowdown function, including valve body, pressure sensing mechanism and filtering mechanism, filtering mechanism fixed mounting is in the water inlet of valve body, and pressure sensing mechanism fixed mounting is in the inside left side that is located filtering mechanism of valve body, and the cavity has been seted up at the outer wall center of valve body the latter half, pressure sensing mechanism includes pressure sensing board, bracing piece and fixed plate, fixed plate fixed mounting is on the inner wall of valve body. This filtration formula electric butterfly valve with automatic blowdown function, through the filter screen in with the medium impurity filters the dirt collecting box, the pressure that the inside flow of valve body reduced pressure sensing board received when impurity is collected a certain amount reduces, and the pressure sensing board is pulled back and is driven the backup pad and remove, and the dirt collecting box falls out from the valve body automatically, has reached the effect of automatic blowdown, has solved the problem that impurity influence sealed pad leads to the butterfly valve control actual effect.

Description

Filtration formula electric butterfly valve with automatic blowdown function

Technical Field

The utility model relates to an electromagnetism motorised valve technical field specifically is a filtration formula electric butterfly valve with automatic blowdown function.

Background

The electric butterfly valve adopts an integrated structure and has an opening and closing type and an adjusting type. The switch type uses single-phase AC power supply to directly control the valve to open and close. The adjusting type has the forms of a built-in valve positioner, a servo amplifier, an external servo operator and the like, and the operation of the valve can be controlled by inputting a control signal (4-20mA DC). The device has the advantages of strong function, small volume, reliable performance and the like. Simple matching and high circulation capacity. It can be widely used in the industrial process automatic control system in the industries of food, environmental protection, light industry, petroleum, chemical industry, teaching equipment, paper making, electric power and the like.

Because the fluid medium of electric butterfly valve control sing contains impurity among the prior art, the accumulation of long-term impurity can lead to electric butterfly valve's sealing washer to appear ageing the problem that appears sealed inefficacy, finally leads to the problem that the butterfly valve is controlled not accurately in actual effect.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a filtration formula electric butterfly valve with automatic blowdown function has solved among the prior art electric butterfly valve and has leaded to ageing problem because of the pollution.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a filtration formula electric butterfly valve with automatic blowdown function, includes valve body, pressure sensing mechanism and filtering mechanism, filtering mechanism fixed mounting is in the valve body, and pressure sensing mechanism fixed mounting is in the inside left side that is located filtering mechanism of valve body, and the cavity has been seted up to the wall of valve body the latter half.

Pressure sensing mechanism includes pressure sensing board, bracing piece and fixed plate, fixed plate fixed mounting passes through extension spring fixed connection in the inner wall below of valve body, pressure sensing board and fixed plate, and bracing piece fixed mounting cup joints in extension spring's inside in the left side of fixed plate, and the bottom fixedly connected with connecting rod of pressure sensing board, connecting rod and the inner wall of valve body are articulated, and the bottom of connecting rod is located the cavity fixedly connected with backup pad.

The filter mechanism includes filter screen frame, dirt collecting box and cut-off board, filter screen frame fixed mounting is inside the valve body, the inside filter screen of pegging graft of filter screen frame, the dirt collecting box sets up the right side at filter screen frame, the valve body is located the below of dirt collecting box and has seted up down the export, the cut-off board rotates to be connected in the inside that the valve body is located dirt collecting box right side, the center of cut-off board is provided with the mandrel, the one end of mandrel is connected with the rotation of valve body, the other end of mandrel is located the inside of cavity, the mandrel is located the inside one end fixedly connected with touch multitouch of cavity, the cavity is located the inside fixed mounting in dirt collecting box right side and has the locating plate, the carriage release lever has been cup jointed at the.

Preferably, the top of the valve body is provided with a semi-ring through groove, the left side and the right side of the semi-ring through groove are connected with sealing slide blocks in a clamping mode, and the two sealing slide blocks are fixedly connected through screws.

Preferably, the dirt collecting box is surrounded by wire netting, and an annular limiting pad is fixedly mounted at the top of the dirt collecting box.

Preferably, one end of the moving rod is positioned in the lower outlet, and the other end of the moving rod is far away from the contact block and is positioned at the length of the lower outlet part.

Preferably, the diameter of the water interception plate is equal to the inner diameter of the valve body, and the thickness of the water interception plate is equal to 20 mm.

Preferably, the valve body and the outlet of the external contact are both provided with a sealing gasket, and the thickness of the sealing gasket is one fourth of the thickness of the outer wall of the valve body.

(III) advantageous effects

The utility model provides a filtration formula electric butterfly valve with automatic blowdown function. The method has the following beneficial effects:

1. this filtration formula electric butterfly valve with automatic blowdown function, through the filter screen in with the medium impurity filters the dirt collecting box, the pressure that the inside flow of valve body reduced pressure sensing board received when impurity is collected a certain amount reduces, and the pressure sensing board is pulled back and is driven the backup pad and remove, and the dirt collecting box falls out from the valve body automatically, has reached the effect of automatic blowdown, has solved the problem that impurity influence sealed pad leads to the butterfly valve control actual effect.

2. This filtration formula electric butterfly valve with automatic blowdown function, through the semi-ring logical groove of seting up, the filter screen that can change different specifications changes different filtration requirements, reaches the dynamics that can change impurity collection, has solved the problem that the butterfly valve is used and need change whole filter mechanism when different fields.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side sectional view of the structure of the present invention;

fig. 3 is a right side sectional view of the present invention;

fig. 4 is a top view of the spindle connection part of the present invention.

The device comprises a valve body 1, a pressure sensing mechanism 2, a pressure sensing plate 201, a supporting rod 202, a fixing plate 203, a connecting shaft 204, a tension spring 205, a supporting plate 206, a filtering mechanism 3, a filtering net rack 301, a dirt collecting box 302, a water interception plate 303, a filtering net 304, a lower outlet 305, a mandrel 306, a contact block 307, a positioning plate 308, a movable rod 309, a clamping block 310, a compression spring 311, an annular limiting pad 312, a cavity 4, a semi-ring through groove 5 and a sealing sliding block 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model provides a filtration formula electric butterfly valve with automatic blowdown function, as shown in fig. 1-4, including valve body 1, pressure sensing mechanism 2 and filtering mechanism 3, filtering mechanism 3 fixed mounting is in valve body 1, pressure sensing mechanism 2 fixed mounting is in the inside left side that is located filtering mechanism 3 of valve body 1, cavity 4 has been seted up to the wall of valve body 1 the latter half, the logical groove 5 of semi-ring has been seted up at valve body 1's top, the logical groove 5 left and right sides joint of semi-ring has seal block 6, through screw fixed connection between two seal block 6, filter screen 304 can be changed in such setting, simultaneously can adjust extension spring 205 with the spanner deep into pump body 1.

Pressure sensing mechanism 2 includes pressure sensing board 201, bracing piece 202 and fixed plate 203, fixed plate 203 fixed mounting is in the inner wall below of valve body 1, pressure sensing board 201 passes through extension spring 205 fixed connection with fixed plate 203, pressure sensing board 201's effect is the change of pressure sensing, bracing piece 202 fixed mounting is in the left side of fixed plate 203 and cup joints the inside at extension spring 205, the balanced medium of elasticity of extension spring 205 is to the pressure of pressure sensing board 201, the bottom fixedly connected with connecting rod 204 of pressure sensing board 201, connecting rod 204 is articulated with the inner wall of valve body 1, the bottom of connecting rod 204 is located cavity 4 fixedly connected with backup pad 206, the effect of backup pad 206 is to support dirt collecting box 302.

The filtering mechanism 3 comprises a filtering net frame 301, a dirt collecting box 302 and a water interception plate 303, the filtering net frame 301 is fixedly installed inside the valve body 1, a filtering net 304 is inserted into the filtering net frame 301, the dirt collecting box 302 is arranged on the right side of the filtering net frame 301, the dirt collecting box 302 is surrounded by wire netting, so that impurities can be collected and media can pass through, the dirt collecting box 302 is surrounded by wire netting, the top of the dirt collecting box 302 is fixedly provided with an annular limiting pad 312, the annular limiting pad 312 limits the displacement of the dirt collecting box 302, the valve body 1 is arranged below the dirt collecting box 302 and is provided with a lower outlet 305, the water interception plate 303 is rotatably connected inside the valve body 1 on the right side of the dirt collecting box 302, the diameter of the water interception plate 303 is equal to the inner diameter of the valve body 1, the thickness of the water interception plate is equal to 20mm, a mandrel 306 is arranged at the center of the, the other end of mandrel 306 is located the inside of cavity 4, mandrel 306 is located the inside one end fixedly connected with touch multitouch 307 of cavity 4, cavity 4 is located the inside fixed mounting in dirt collecting box 302 right side has locating plate 308, locating plate 308 center has cup jointed carriage release lever 309, carriage release lever 309 one end is located export 305 down, the distance that the touch multitouch 307 was kept away from to the carriage release lever 309 other end is less than the length that carriage release lever 309 is located export 305 part down, carriage release lever 309 external surface fixed mounting has fixture block 310, pass through compression spring 311 fixed connection between fixture block 310 and locating plate 308, valve body 1 all is provided with the sealed pad with the export of external contact, the thickness of sealed pad is the fourth of valve body 1 outer wall thickness, guarantee to have good sealed.

The working principle is as follows: in filtering dirt collecting box 302 through filter screen 304 in with the medium impurity, the pressure that valve body 1 internal flow reduced pressure sensing board 201 received when impurity collected a certain amount reduces, pressure sensing board 201 is pulled back and is driven the backup pad 206 and remove, dirt collecting box 302 is automatic to fall out from valve body 1, when dirt collecting box 302 falls inwards extrudees movable rod 309, movable rod 309 touches the gesture that contact block 307 adjusted water interception board 303 and cuts the fluid, pack dirt collecting box 302 back into pump body 1, movable rod 309 can withdraw under compression spring 311's effect, water interception board 303 gets back original gesture under the medium pressure effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electronic butterfly valve of filtration formula with automatic blowdown function, includes valve body (1), pressure sensing mechanism (2) and filtering mechanism (3), its characterized in that: the filtering mechanism (3) is fixedly arranged in the valve body (1), the pressure sensing mechanism (2) is fixedly arranged in the valve body (1) and positioned on the left side of the filtering mechanism (3), and a cavity (4) is formed in the wall of the lower half part of the valve body (1);

the pressure sensing mechanism (2) comprises a pressure sensing plate (201), a supporting rod (202) and a fixing plate (203), the fixing plate (203) is fixedly installed below the inner wall of the valve body (1), the pressure sensing plate (201) is fixedly connected with the fixing plate (203) through an extension spring (205), the supporting rod (202) is fixedly installed on the left side of the fixing plate (203) and sleeved inside the extension spring (205), the bottom end of the pressure sensing plate (201) is fixedly connected with a connecting rod (204), the connecting rod (204) is hinged with the inner wall of the valve body (1), and the bottom of the connecting rod (204) is located in the cavity (4) and is fixedly connected with a supporting plate (206);

the filtering mechanism (3) comprises a filtering net rack (301), a dirt collecting box (302) and a water intercepting plate (303), the filtering net rack (301) is fixedly installed inside the valve body (1), a filtering net (304) is inserted inside the filtering net rack (301), the dirt collecting box (302) is arranged on the right side of the filtering net rack (301), the valve body (1) is positioned below the dirt collecting box (302) and is provided with a lower outlet (305), the water intercepting plate (303) is rotatably connected inside the valve body (1) on the right side of the dirt collecting box (302), a mandrel (306) is arranged at the center of the water intercepting plate (303), one end of the mandrel (306) is rotatably connected with the valve body (1), the other end of the mandrel (306) is positioned inside the cavity (4), one end of the mandrel (306) positioned inside the cavity (4) is fixedly connected with a contact block (307), a positioning plate (308) is fixedly installed inside the cavity (4) on the right side of the dirt collecting, the center of the positioning plate (308) is sleeved with a movable rod (309), a fixture block (310) is fixedly installed on the outer surface of the movable rod (309), and the fixture block (310) is fixedly connected with the positioning plate (308) through a compression spring (311).

2. The filter type electric butterfly valve with automatic sewage discharge function according to claim 1, characterized in that: the valve is characterized in that a semi-ring through groove (5) is formed in the top of the valve body (1), sealing sliding blocks (6) are connected to the left side and the right side of the semi-ring through groove (5) in a clamped mode, and the two sealing sliding blocks (6) are fixedly connected through screws.

3. The filter type electric butterfly valve with automatic sewage discharge function according to claim 1, characterized in that: the dirt collecting box (302) is surrounded by an iron wire net, and the top of the dirt collecting box (302) is fixedly provided with an annular limiting pad (312).

4. The filter type electric butterfly valve with automatic sewage discharge function according to claim 1, characterized in that: one end of the moving rod (309) is positioned in the lower outlet (305), and the distance from the other end of the moving rod (309) to the contact block (307) is less than the length of the part of the moving rod (309) positioned in the lower outlet (305).

5. The filter type electric butterfly valve with automatic sewage discharge function according to claim 1, characterized in that: the diameter of the water interception plate (303) is equal to the inner diameter of the valve body (1), and the thickness of the water interception plate (303) is equal to 20 mm.

6. The filter type electric butterfly valve with automatic sewage discharge function according to claim 1, characterized in that: the valve body (1) all is provided with sealed the pad with the export of outside contact, and the thickness of sealed pad is one quarter of valve body (1) outer wall thickness.