CN217829176U - Butterfly valve with good sealing performance - Google Patents

Abstract

The application relates to the technical field of butterfly valve equipment, and discloses a butterfly valve with good sealing performance. In the application, a butterfly valve that leakproofness is good, including the body, the side fixedly connected with threaded sleeve of body, threaded sleeve's inner wall threaded connection has the installation sleeve, one side fixedly connected with fixed plate that the installation sleeve is close to the body, the telescopic inner wall cover of installation is equipped with the net frame, the net frame is kept away from one side of fixed plate and is seted up the through-hole, the both sides set up threaded hole of fixed plate. At first aim at the telescopic notch department of screw thread with the installation sleeve, rotate the installation sleeve after that, the installation sleeve rotates until fixed with the screw thread sleeve, supports the screen frame on the fixed plate after that to let the screw hole in through-hole and the fixed plate align, pass the through-hole with the one end of bolt again, and rotate the bolt, let the threaded hole of bolt fastening in the fixed plate, thereby make this equipment have the effect of filtering the foul in the aquatic, increase the suitability.

Description

Butterfly valve with good sealing performance

Technical Field

This application belongs to butterfly valve equipment technical field, specifically is a butterfly valve that leakproofness is good.

Background

The butterfly valve is a simple regulating valve, can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil, liquid metal and radioactive media, etc., and mainly has the functions of cutting off and throttling on a pipeline, and the opening and closing piece of the butterfly valve is a disk-shaped butterfly plate (also called a disc flap) which rotates around the axis of the butterfly plate in a valve body so as to achieve the purpose of opening and closing or regulating, and the butterfly valve is a valve which uses a circular disk plate as the opening and closing piece and rotates along with a valve rod to open, close and regulate a fluid passage, wherein the disk plate of the butterfly valve is arranged in the diameter direction of the pipeline, and in the cylindrical passage of the valve body of the butterfly valve, the disk plate rotates around the axis, the rotation angle is between 0 degree and 90 degrees, and when the rotation angle reaches 90 degrees, the valve is in a full opening state, and the deflection angle of the disk plate is changed, so that the flow of the media can be controlled.

The butterfly valve that current leakproofness is good can only limit the water yield, can't filter the sewage impurity that passes through, has leaded to the suitability of equipment poor, and some occasions that need filter need install filter screen or filtration equipment again, and is very troublesome.

SUMMERY OF THE UTILITY MODEL

The purpose of this application lies in: in order to solve the problem that the provided butterfly valve cannot filter out passing sewage impurities and only can limit the water quantity, the applicability of the butterfly valve is poor, and the butterfly valve is good in sealing performance.

The technical scheme adopted by the application is as follows: the utility model provides a butterfly valve that leakproofness is good, includes the body, the side fixedly connected with screw sleeve of body, screw sleeve's inner wall threaded connection has the installation sleeve, one side fixedly connected with fixed plate that the installation sleeve is close to the body, the telescopic inner wall cover of installation is equipped with the net frame, the through-hole has been seted up to one side that the fixed plate was kept away from to the net frame, the threaded hole has been seted up to the both sides of fixed plate, the positive threaded connection of net frame has the bolt, the bolt is close to the one end of closing plate and runs through the through-hole and with the screw hole threaded connection who is located the fixed plate, the fixed plate is fixed through the bolt with the net frame, the inner wall fixedly connected with filter screen of net frame.

Through adopting the above-mentioned technical scheme, at first aim at the telescopic notch department of screw thread with the installation sleeve, rotate the installation sleeve after that, the installation sleeve rotates until fixed with the screw thread sleeve, support the screen frame on the fixed plate after that, and let the through-hole align with the screw hole in the fixed plate, pass the through-hole with the one end of bolt again, and rotate the bolt, let the threaded hole of bolt fastening in the fixed plate, fix the screen frame in the installation sleeve, when need not using the filter screen, the user utilizes first pull rod to drive the installation sleeve and rotates, the installation sleeve rotates and breaks away from the screw thread sleeve, use tools demolishs the bolt after then, the screen frame cancellation is fixed the back, the user is utilizing the handle to demolish the filter screen together with the screen frame, thereby make this equipment have the effect of filtering aquatic foul, increase the suitability.

In a preferred embodiment, the inner wall of body rotates and is connected with the closing plate, the fixed orifices has been seted up to the lower surface of closing plate, the inner wall threaded connection of fixed orifices has first threaded rod, the bottom fixedly connected with plectane of first threaded rod, the round hole has been seted up to the both sides of plectane, the inner wall cover that the plectane is located the round hole is equipped with the second threaded rod, the lower fixed surface of body is connected with the limiting plate, the one end and the limiting plate fixed connection of plectane are kept away from to the second threaded rod.

Through adopting above-mentioned technical scheme, through setting up the second threaded rod, can fix the plectane on the limiting plate, reduce the emergence of plectane rotation condition.

In a preferred embodiment, a limiting plate is fixedly connected to the lower surface of the pipe body, a limiting hole is formed in the lower surface of the limiting plate, and the limiting hole is matched with the first threaded rod.

Through adopting above-mentioned technical scheme, through setting up spacing hole, can restrict the position of first threaded rod, can convenient to use person fix first threaded rod on the fixed orifices.

In a preferred embodiment, the number of the threaded sleeves is two, and the two threaded sleeves are symmetrically arranged on two sides of the pipe body by taking a vertical middle line of the front surface of the pipe body as a symmetry axis.

Through adopting above-mentioned technical scheme, through setting up two threaded sleeve, can install two filter screens and strengthen the filter effect.

In a preferred embodiment, a mechanism housing is fixedly connected to the upper surface of the tube body, and a rotating disc is rotatably connected to one side of the mechanism housing.

Through adopting above-mentioned technical scheme, the driving medium is used for being driven the transmission closure plate by the carousel and rotates, and the driving medium is prior art, through setting up the carousel, utilizes the inside driving medium of mechanism's shell to let the closure plate rotate, controls the closure of body.

In a preferred embodiment, a driving plate is fixedly connected to the center of the filter screen, and a handle is fixedly connected to one side of the driving plate, which is far away from the pipe body.

Through adopting above-mentioned technical scheme, through setting up the handle, break away from and install the fixed back of sleeve when the screen frame, can utilize the driving plate to pull out the filter screen.

In a preferred embodiment, a first pull rod is fixedly connected to one side of the mounting sleeve, which is far away from the pipe body, and a rubber block is sleeved on the surface of the first pull rod.

Through adopting above-mentioned technical scheme, through setting up first pull rod, can convenient to use person rotate the installation sleeve and break away from the installation sleeve from threaded sleeve.

In conclusion, due to the adoption of the technical scheme, the beneficial effects of the application are as follows:

1. in this application, at first aim at threaded sleeve's notch department with the installation sleeve, rotate the installation sleeve after that, the installation sleeve rotates until fixed with threaded sleeve, support the screen frame on the fixed plate after that, and let the through-hole align with the screw hole in the fixed plate, pass the through-hole with the one end of bolt again, and rotate the bolt, let the threaded hole of bolt fastening in the fixed plate, fix the screen frame in the installation sleeve, when need not using the filter screen, the user utilizes first pull rod to drive the installation sleeve and rotates, the installation sleeve rotates and breaks away from the threaded sleeve, use tools demolishs the bolt after that, the screen frame cancellation is fixed, the user is utilizing the handle to demolish the filter screen together with the screen frame, thereby make this equipment have the effect of filtering the foul in the water, increase the suitability.

2. In this application, the user utilizes the rotation of carousel control closing plate, and then circulation in the control body and closing, when closing the back, aim at spacing hole department with first threaded rod, later promote first threaded rod along the direction in spacing hole, notch department until first threaded rod touches the fixed orifices, the user holds the carousel, keep motionless, rotate first threaded rod after that, first threaded rod rotates the after-fixing on the closing plate, rotate the second threaded rod again after that, the second threaded rod rotates the lower surface of fixing at the limiting plate, reduce the emergence that carelessly rotates the carousel and lead to the closing plate rotation condition to a certain extent.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a side view of the present application;

FIG. 3 is a schematic front sectional view of the present application;

fig. 4 is an enlarged schematic structural diagram at a in fig. 3 of the present application.

The mark in the figure is: 1. a tube body; 2. a threaded sleeve; 3. a first pull rod; 4. a screen frame; 5. a limiting hole; 6. a filter screen; 7. a mechanism housing; 8. a turntable; 9. a limiting plate; 10. a first threaded rod; 11. a fixing hole; 12. a closing plate; 13. installing a sleeve; 14. a bolt; 15. a circular plate; 16. a second threaded rod; 17. driving the plate; 18. a grip; 19. and (5) fixing the plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment is as follows:

referring to fig. 2-4, a butterfly valve with good sealing performance comprises a pipe body 1, wherein a threaded sleeve 2 is fixedly connected to the side surface of the pipe body 1, a mounting sleeve 13 is connected to the inner wall of the threaded sleeve 2 in a threaded manner, a fixing plate 19 is fixedly connected to one side, close to the pipe body 1, of the mounting sleeve 13, a net frame 4 is sleeved on the inner wall of the mounting sleeve 13, and the net frame 4 can be fixed to the threaded sleeve 2 by arranging the mounting sleeve 13.

Referring to fig. 2-4, a through hole is opened on one side of the net frame 4 far away from the fixing plate 19, threaded holes are opened on two sides of the fixing plate 19, a bolt 14 is connected to the front face of the net frame 4 through a thread, one end of the bolt 14 close to the fixing plate 19 penetrates through the through hole and is in threaded connection with the threaded hole in the fixing plate 19, the fixing plate 19 and the net frame 4 are fixed through the bolt 14, and the fixing plate 19 can be used for fixing the net frame 4 on the inner wall of the mounting sleeve 13 by the aid of the bolt 14.

Referring to fig. 2-4, the inner wall of the screen frame 4 is fixedly connected with a filter screen 6, and by arranging the filter screen 6, sewage impurities flowing through the pipe body 1 can be filtered.

Referring to fig. 2-4, the inner wall of the pipe body 1 is rotatably connected with a closing plate 12, a fixing hole 11 is formed in the lower surface of the closing plate 12, a first threaded rod 10 is connected to the inner wall of the fixing hole 11 in a threaded manner, a circular plate 15 is fixedly connected to the bottom end of the first threaded rod 10, round holes are formed in two sides of the circular plate 15, a second threaded rod 16 is sleeved on the inner wall of each round hole, a limiting plate 9 is fixedly connected to the lower surface of the pipe body 1, one end, away from the circular plate 15, of the second threaded rod 16 is fixedly connected with the limiting plate 9, the circular plate 15 can be fixed on the limiting plate 9 by arranging the second threaded rod 16, and the rotation of the circular plate 15 is reduced.

Referring to fig. 3, spacing hole 5 has been seted up to limiting plate 9's lower surface, and spacing hole 5 and first threaded rod 10 looks adaptation can restrict first threaded rod 10's position through setting up spacing hole 5, can convenient to use person fix first threaded rod 10 on fixed orifices 11.

Referring to fig. 1-2, the number of the threaded sleeves 2 is two, the two threaded sleeves 2 are symmetrically arranged on two sides of the pipe body 1 by taking a vertical central line on the front surface of the pipe body 1 as a symmetry axis, and two filter screens 6 can be arranged to enhance the filtering effect by arranging the two threaded sleeves 2.

Referring to fig. 2-4, a mechanism housing 7 is fixedly connected to the upper surface of the pipe body 1, a rotary table 8 is rotatably connected to one side of the mechanism housing 7, a transmission member is disposed in the mechanism housing 7, and is connected to the closing plate 12, and the transmission member is used for being driven by the rotary table 8 to perform transmission so as to rotate the closing plate 12. By arranging the rotary disc 8, the sealing plate 12 is rotated by using a transmission part inside the mechanism shell 7, so as to control the closing of the pipe body 1.

Referring to fig. 2-4, a driving plate 17 is fixedly connected to the center of the filter screen 6, a handle 18 is fixedly connected to one side of the driving plate 17 away from the pipe body 1, and by arranging the handle 18, the filter screen 6 can be pulled out by using the driving plate 17 after the screen frame 4 is separated from the fixing sleeve 13.

Referring to fig. 2-4, one side fixedly connected with first pull rod 3 that body 1 was kept away from to installation sleeve 13, and the surface cover of first pull rod 3 is equipped with the block rubber, through setting up first pull rod 3, can convenient to use person rotate installation sleeve 13 and break away from installation sleeve 13 from threaded sleeve 2.

The application principle of the butterfly valve embodiment that leakproofness is good is: firstly, aligning a mounting sleeve 13 to a notch of a threaded sleeve 2, then rotating the mounting sleeve 13, rotating the mounting sleeve 13 until the mounting sleeve 13 is fixed to the threaded sleeve 2, then abutting a screen frame 4 on a fixing plate 19, aligning a through hole with a threaded hole in the fixing plate 19, then penetrating one end of a bolt 14 through the through hole, rotating the bolt 14, fixing the bolt 14 in the threaded hole in the fixing plate 19, fixing the screen frame 4 in the mounting sleeve 13, when a filter screen 6 is not needed, a user drives the mounting sleeve 13 to rotate by using a first pull rod 3, the mounting sleeve 13 rotates to be separated from the threaded sleeve 2, then using a tool to remove the bolt 14, after the screen frame 4 is removed, the user removes the filter screen 6 together with the screen frame 4 by using a handle 18, so that the equipment has an effect of filtering dirt in water, the applicability is increased, the applicability of the device is increased, the user controls the rotation of a rotary plate 12 by using a rotary disk 8, further controls the circulation and closing in a pipe body 1, after closing, aligning a first threaded rod 10 to a limiting hole 5, then pushing the first threaded rod 10 until the first threaded rod 10 is pushed until the first threaded rod 10 is fixed to the notch 10, the rotary contact with a rotary contact plate 16, and the rotary contact with a second rotary plate 12, the rotary contact plate 16, the rotary plate 12, and the rotary contact with a closed rotary plate 12, the rotary plate 12, and the rotary plate 12, the rotary contact degree of the rotary plate is reduced.

The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims (7)

1. The utility model provides a butterfly valve that leakproofness is good, includes body (1), its characterized in that: the utility model discloses a pipe, including body (1), side fixedly connected with threaded sleeve (2), the inner wall threaded connection of threaded sleeve (2) has installation sleeve (13), one side fixedly connected with fixed plate (19) that installation sleeve (13) are close to body (1), the inner wall cover of installation sleeve (13) is equipped with net frame (4), the through-hole has been seted up to one side that fixed plate (19) were kept away from in net frame (4), threaded hole has been seted up to the both sides of fixed plate (19), the front threaded connection of net frame (4) has bolt (14), bolt (14) are close to the one end of closing plate (12) and run through the through-hole and with the screw hole threaded connection who is located fixed plate (19), fixed plate (19) are fixed through bolt (14) with net frame (4), the inner wall fixedly connected with filter screen (6) of net frame (4).

2. The butterfly valve with good sealing performance according to claim 1, wherein: the inner wall of body (1) rotates and is connected with closing plate (12), fixed orifices (11) have been seted up to the lower surface of closing plate (12), the inner wall threaded connection of fixed orifices (11) has first threaded rod (10), the bottom fixedly connected with plectane (15) of first threaded rod (10), the round hole has been seted up to the both sides of plectane (15), the inner wall cover that plectane (15) are located the round hole is equipped with second threaded rod (16), the lower fixed surface of body (1) is connected with limiting plate (9), the one end and limiting plate (9) fixed connection of plectane (15) are kept away from in second threaded rod (16).

3. The butterfly valve with good sealing performance according to claim 2, wherein: the lower fixed surface of body (1) is connected with limiting plate (9), spacing hole (5) have been seted up to the lower surface of limiting plate (9), spacing hole (5) and first threaded rod (10) looks adaptation.

4. The butterfly valve with good sealing performance according to claim 1, wherein: the number of the threaded sleeves (2) is two, and the two threaded sleeves (2) are symmetrically arranged on two sides of the pipe body (1) by taking a vertical central line on the front surface of the pipe body (1) as a symmetry axis.

5. The butterfly valve with good sealing performance according to claim 1, wherein: the upper surface of body (1) fixed connection has mechanism shell (7), one side of mechanism shell (7) is rotated and is connected with carousel (8).

6. The butterfly valve with good sealing performance according to claim 1, wherein: the center of the filter screen (6) is fixedly connected with a driving plate (17), and one side, far away from the pipe body (1), of the driving plate (17) is fixedly connected with a handle (18).

7. The butterfly valve with good sealing performance as claimed in claim 1, wherein: one side fixedly connected with first pull rod (3) of body (1) is kept away from in installation sleeve (13), the surface cover of first pull rod (3) is equipped with the block rubber.

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