CN220185958U

CN220185958U - Dual-channel butterfly valve

Info

Publication number: CN220185958U
Application number: CN202321082308.6U
Authority: CN
Inventors: 洪志远; 黄晓辉
Original assignee: Chengdu Jinbaichuan Technology Co ltd
Current assignee: Chengdu Jinbaichuan Technology Co ltd
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2023-12-15
Anticipated expiration: 2033-05-08

Abstract

The utility model relates to the technical field of double-channel butterfly valves and discloses a double-channel butterfly valve, which comprises a butterfly valve body, wherein a connecting pipe is arranged on one side of the butterfly valve body, connecting pieces are fixedly connected on one sides of the butterfly valve body and the connecting pipe, a plurality of bolts penetrate through the connecting pieces, nuts are connected at one ends of the bolts in a threaded manner, a filter screen is fixedly connected on one side, close to the connecting pieces, of the connecting pipe, a fixed shell is fixedly connected on one side, far away from the filter screen, of the connecting pipe, a rotating rod is rotatably connected inside the fixed shell, and blades are fixedly connected on the outer wall of the rotating rod; this kind of binary channels butterfly valve, through bolt and nut with connecting pipe and butterfly valve body coupling, thereby prevent to block up the inside filter screen that causes of butterfly valve that sets up and influence the use through connecting pipe one side, the inside rotation of fixed shell is connected with bull stick and blade, and the in-process that liquid passed through the fixed shell can drive the blade rotation to realize reducing the pressure of rivers, thereby play certain guard action to the butterfly valve.

Description

Dual-channel butterfly valve

Technical Field

The utility model relates to the technical field of double-channel butterfly valves, in particular to a double-channel butterfly valve.

Background

The butterfly valve is also called as a flap valve, and is a valve which has a simple structure and can be used for opening and closing low-pressure pipeline media. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe is mainly used for cutting and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly valve opening and closing piece in the valve body, so that the purpose of opening and closing or adjusting is achieved. The existing butterfly valve only has one channel, and can only control one channel when in use, thereby reducing the practicability of the device.

Among the prior art, like patent number CN216158350U has proposed a wear-resisting corrosion-resistant binary channels butterfly valve, and this technical scheme discloses a wear-resisting corrosion-resistant binary channels butterfly valve, including the butterfly valve body, still include the pipeline, butterfly valve body one end is connected with the pipeline, the one end that the butterfly valve body was kept away from to the pipeline is equipped with first passageway and second passageway respectively, the butterfly valve body is close to the fixed cover in pipeline one end outside and has put the second installed part that is ring-shaped structural arrangement, the second thread groove has been seted up to the second installed part outer fringe, the pipeline is close to the fixed cover in butterfly valve body one end outside and has been put the first installed part that is ring-shaped structure, first installed part and second installed part threaded connection, first thread groove for installing the fastener has been seted up in the first installed part outside, the fastener and first installed part threaded connection, the second installed part is located the fastener, the butterfly valve body is close to the limiting groove inner wall fixed gluing has sealed pad that is close to pipeline one end inner wall. The two channels are provided, so that the practicability of the butterfly valve can be improved.

However, the above technical solution has the following disadvantages:

the current binary channels butterfly valve is through setting up two passageways, can effectively improve the practicality of butterfly valve, but the butterfly valve often can cause the jam to the butterfly valve inside under the effect of large granule impurity when using to influence the normal use of butterfly valve, the butterfly valve can be too fast because of the velocity of flow of liquid moreover in the use, thereby causes great pressure to the butterfly valve inside, can cause the damage to the butterfly valve even, and then lead to the unable normal use of butterfly valve.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a double-channel butterfly valve, which at least solves one of the problems of the background art, so that the double-channel butterfly valve is more convenient to use.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a binary channels butterfly valve, includes the butterfly valve body, one side of butterfly valve body is provided with the connecting pipe, the equal fixedly connected with connecting piece in one side of butterfly valve body and connecting pipe, runs through on the connecting piece and has a plurality of bolts, one end threaded connection of bolt has the nut, one side fixedly connected with filter screen that the connecting pipe is close to the connecting piece, one side fixedly connected with fixed shell of filter screen is kept away from to the connecting pipe, the inside rotation of fixed shell is connected with the bull stick, the outer wall fixedly connected with blade of bull stick, and one side that the bull stick was kept away from to the blade offsets with the inner wall of fixed shell and sets up.

Preferably, the top of the fixed shell is provided with a detachable top cover, screws penetrate through the top cover, and the screws penetrate through the fixed shell and are in threaded connection with the fixed shell and the top cover.

Preferably, the number of the blades is four, and the blades are distributed on the outer wall of the rotating rod at equal intervals in a circumferential array.

Preferably, the outer wall upper end fixedly connected with stopper of bull stick, the inner wall intermediate rotation of top cap is connected with the rotary drum, has seted up on the rotary drum with stopper assorted spacing groove.

Preferably, the bottom of the top cover is fixedly connected with a sealing gasket.

Preferably, the number of the screws is four, and the screws are distributed around the top cover in a circumferential array at equal intervals.

Preferably, the screw is an embedded hexagonal arrangement, and the upper end surface of the screw is not higher than the side wall of the top cover.

Compared with the prior art, the utility model has the following beneficial effects:

this kind of binary channels butterfly valve, the staff is when installing the butterfly valve, through bolt and nut with connecting pipe and butterfly valve body coupling, the filter screen that sets up through connecting pipe one side, can play the filter effect to the large granule impurity in the liquid, thereby prevent to cause the fixed shell that blocks up and influence the use to the butterfly valve inside, through the setting of connecting pipe one side, the inside rotation of fixed shell is connected with bull stick and blade, the in-process that liquid passes through the fixed shell can drive the blade rotation, thereby realize reducing the pressure of rivers, thereby play certain guard action to the butterfly valve, and then effectively prolong the life of butterfly valve.

Drawings

FIG. 1 is a schematic perspective view of the whole structure of the present utility model;

FIG. 2 is a schematic view of the structure of the connecting tube and the fixing case of the present utility model;

FIG. 3 is a schematic view of the structure of the inside of the fixing case of the present utility model;

fig. 4 is a schematic structural view of the top cover of the present utility model.

In the figure: 1. a butterfly valve body; 2. a connecting pipe; 3. a connecting piece; 4. a bolt; 5. a nut; 6. a filter screen; 7. a fixed case; 8. a rotating rod; 9. a blade; 10. a top cover; 11. a limiting block; 12. a rotating drum; 13. a limit groove; 14. a screw; 15. and a sealing gasket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a dual-channel butterfly valve comprises a butterfly valve body 1, wherein a connecting pipe 2 is arranged on one side of the butterfly valve body 1, a connecting piece 3 is fixedly connected to one sides of the butterfly valve body 1 and the connecting pipe 2, a plurality of bolts 4 penetrate through the connecting piece 3, one end of each bolt 4 is in threaded connection with a nut 5, one side of the connecting pipe 2, which is close to the connecting piece 3, is fixedly connected with a filter screen 6, one side, which is far away from the filter screen 6, of the connecting pipe 2 is fixedly connected with a fixing shell 7, a rotating rod 8 is connected to the inside of the fixing shell 7 in a rotating manner, a blade 9 is fixedly connected to the outer wall of the rotating rod 8, and one side, which is far away from the rotating rod 8, of the blade 9 is propped against the inner wall of the fixing shell 7.

Specific working principle and implementation mode: according to the prior art of the patent number CN216158350U, when the butterfly valve is used, the butterfly valve is often blocked under the action of large-particle impurities, so that the normal use of the butterfly valve is affected, and in the use process of the butterfly valve, the butterfly valve can cause larger pressure to the interior of the butterfly valve due to the excessively high flow rate of liquid, even the butterfly valve is damaged, and the butterfly valve cannot be normally used; accordingly, there are technical problems mentioned in the background art; the scheme can solve the problems; when installing the butterfly valve, the staff is connected connecting pipe 2 and butterfly valve body 1 through bolt 4 and nut 5, filter screen 6 through setting up of connecting pipe 2 one side can play the filter effect to the large granule impurity in the liquid, thereby prevent to cause the jam to influence the use to the butterfly valve inside, through the fixed shell 7 that connecting pipe 2 one side set up, the inside rotation of fixed shell 7 is connected with bull stick 8 and blade 9, the in-process that liquid passes through fixed shell 7 can drive blade 9 rotation, thereby realize reducing the pressure of rivers, thereby play certain guard action to the butterfly valve, and then effectively prolong the life of butterfly valve.

As shown in fig. 2 and 4, the top of the fixed shell 7 is provided with a detachable top cover 10, the top cover 10 is penetrated with a screw 14, the screw 14 penetrates through the fixed shell 7 and is in threaded connection with the fixed shell 7 and the top cover 10, after the butterfly valve is used for a period of time, a worker can detach the top cover 10 at the top of the fixed shell 7 and clean the blades 9 in the fixed shell 7, so that the butterfly valve is prevented from being blocked in the using process, the overhaul of the worker is facilitated, and the fixed shell 7 and the top cover 10 are fixedly connected through the screw 14, so that the device is stable in the using process, and people can disassemble and assemble the top cover 10 conveniently.

As shown in fig. 3, the number of the blades 9 is four, and the blades 9 are distributed on the outer wall of the rotating rod 8 at equal intervals in a circumferential array, and the number of the blades 9 is four, so that the depressurization effect of the device can be effectively improved, the impact of water flow on the butterfly valve body 1 is further reduced, the butterfly valve is further protected, and the service life of the butterfly valve is prolonged.

As shown in fig. 3 and 4, the upper end of the outer wall of the rotating rod 8 is fixedly connected with a limiting block 11, the middle of the inner wall of the top cover 10 is rotationally connected with a rotating drum 12, a limiting groove 13 matched with the limiting block 11 is formed in the rotating drum 12, the limiting block 11 is fixedly connected with the upper end of the outer wall of the rotating rod 8, and the rotating drum 12 and the limiting groove 13 formed in the rotating drum 12 are rotationally connected on the top cover 10, when people install the top cover 10, the limiting block 11 needs to be clamped into the limiting groove 13, so that the device is more stable to use.

As shown in fig. 4, the sealing pad 15 is fixedly connected to the bottom of the top cover 10, and the sealing pad 15 is made of rubber material, and the sealing pad 15 is fixedly connected to the top cover 10, so that the sealing performance of the device can be further improved, and the normal use of the device is ensured due to the fact that the rubber material has good sealing performance and good wear resistance.

As shown in fig. 4, the number of the screws 14 is four, and the screws 14 are distributed around the top cover 10 in a circumferential array at equal intervals, and the firmness of connection between the Gao Dinggai and the fixed shell 7 can be effectively improved by setting the number of the screws 14 to four, so that the butterfly valve is more stable in the use process.

As shown in fig. 4, the screw 14 is disposed in an embedded hexagonal manner, the upper end surface of the screw 14 is not higher than the side wall of the top cover 10, and after the screw 14 is mounted, the upper end surface of the screw 14 is not higher than the side wall of the top cover 10, so that abrasion is not generated due to protrusion, the screw 14 is disposed in an embedded hexagonal manner, and the screw 14 disposed in an embedded hexagonal manner can be rotated better during mounting, so that the possibility of sliding angle is reduced.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a binary channels butterfly valve, including butterfly valve body (1), a serial communication port, one side of butterfly valve body (1) is provided with connecting pipe (2), one side of butterfly valve body (1) and connecting pipe (2) is equal fixedly connected with connecting piece (3), run through on connecting piece (3) has a plurality of bolts (4), one end threaded connection of bolt (4) has nut (5), one side fixedly connected with filter screen (6) that connecting pipe (2) is close to connecting piece (3), one side fixedly connected with fixed shell (7) that filter screen (6) were kept away from to connecting pipe (2), the inside rotation of fixed shell (7) is connected with bull stick (8), the outer wall fixedly connected with blade (9) of bull stick (8), and one side that bull stick (8) were kept away from to blade (9) offsets with the inner wall of fixed shell (7) and set up.

2. The dual channel butterfly valve of claim 1, wherein: the top of the fixed shell (7) is provided with a detachable top cover (10), a screw (14) penetrates through the top cover (10), and the screw (14) penetrates through the fixed shell (7) and is in threaded connection with the fixed shell (7) and the top cover (10).

3. The dual channel butterfly valve of claim 1, wherein: the number of the blades (9) is four, and the blades are distributed on the outer wall of the rotating rod (8) in a circumferential array at equal intervals.

4. A dual channel butterfly valve according to claim 2, wherein: the upper end of the outer wall of the rotating rod (8) is fixedly connected with a limiting block (11), the middle of the inner wall of the top cover (10) is rotationally connected with a rotating drum (12), and a limiting groove (13) matched with the limiting block (11) is formed in the rotating drum (12).

5. A dual channel butterfly valve according to claim 2, wherein: the bottom of the top cover (10) is fixedly connected with a sealing gasket (15).

6. A dual channel butterfly valve according to claim 2, wherein: the number of the screws (14) is four, and the screws are distributed around the top cover (10) in a circumferential array at equal intervals.

7. A dual channel butterfly valve according to claim 2, wherein: the screw (14) is arranged in an embedded hexagonal mode, and the upper end face of the screw (14) is not higher than the side wall of the top cover (10).