CN215567990U

CN215567990U - Butterfly valve capable of preventing sundries from being blocked

Info

Publication number: CN215567990U
Application number: CN202121363156.8U
Authority: CN
Inventors: 徐魁生
Original assignee: Jiangsu Huashan Valve Co ltd
Current assignee: Jiangsu Huashan Valve Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-01-18
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a butterfly valve capable of preventing sundries from being blocked, relates to the technical field of butterfly valves, and aims to solve the problems that the existing butterfly valve in the prior art is simple in structure, and sundries in a liquid medium are easy to accumulate inside the butterfly valve when the liquid medium is conveyed, so that the butterfly valve is blocked. Sealed apron is installed to the top of butterfly valve main part, and butterfly valve main part and sealed apron pass through bolt fixed connection, the inside of butterfly valve main part is provided with respectively clears up the mouth and carries the chamber, the inside of carrying the chamber is provided with places the crown plate, and places crown plate and butterfly valve main part welded connection, the inside of placing the crown plate is provided with the miscellaneous fill of collection, and the miscellaneous fill of collection runs through and places the crown plate, the filter screen is installed to one side of the miscellaneous fill of collection, and the miscellaneous fill of collection and filter screen fixed connection, connecting sleeve is installed to the below of transmission case, and transmission case and connecting sleeve pass through bolt fixed connection.

Description

Butterfly valve capable of preventing sundries from being blocked

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a butterfly valve capable of preventing sundries from being blocked.

Background

Along with the continuous development of society, cities are flourishing constantly, in order to facilitate the transport of different mediums, the pipeline is used in a large number, the transport speed to different mediums is improved, people's work burden has been lightened, when using the pipeline to transport mediums, according to the user demand to the medium, often suspend the transport of medium, the butterfly valve is a valve that can block the medium transport, it is through a disc-shaped butterfly plate of inside, rotate around its own axis in the valve body, thus reach the purpose of opening and close or adjusting, the butterfly valve opens and closes the moment less, because the butterfly plate of pivot both sides receives the medium effect basically the same, and the direction that produces the torque is opposite, therefore open and close laborsaving, according to the structural style, the butterfly valve can be divided into lever type, ramp type, vertical plate type and offset plate type.

However, the existing butterfly valve is simple in structure, and when a liquid medium is conveyed, impurities in the liquid medium are easy to accumulate inside the butterfly valve, so that the butterfly valve is blocked, and the normal conveying of the liquid medium is influenced; therefore, the market urgently needs to develop a butterfly valve for preventing sundries from being blocked to help people to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a butterfly valve capable of preventing sundries from being blocked, and the butterfly valve is used for solving the problems that the existing butterfly valve in the background technology is simple in structure, and sundries in a liquid medium are easy to accumulate in the butterfly valve when the liquid medium is conveyed, so that the butterfly valve is blocked.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a prevent butterfly valve that debris blockked up, includes butterfly valve main part and transmission case, sealed apron is installed to the top of butterfly valve main part, and butterfly valve main part and sealed apron pass through bolt fixed connection, the inside of butterfly valve main part is provided with clearance mouth and carries the chamber respectively, the inside of carrying the chamber is provided with places the crown plate, and places crown plate and butterfly valve main part welded connection, the inside of placing the crown plate is provided with the miscellaneous fill of collection, and the miscellaneous fill of collection runs through and places the crown plate, the filter screen is installed to one side of the miscellaneous fill of collection, and the miscellaneous fill of collection and filter screen fixed connection.

Preferably, a connecting sleeve is installed to the below of transmission case, and transmission case and connecting sleeve pass through bolt fixed connection, connecting sleeve's inside is provided with first ring pad, the internally mounted of transmission case has the valve rod, and transmission case and valve rod pass through the bearing and rotate and be connected, first ring pad is run through to the valve rod, and wears into the inside of butterfly valve main part.

Preferably, first axle sleeve is installed in the outside of valve rod, and valve rod and first axle sleeve fixed connection, the butterfly plate is installed to the below of valve rod, and valve rod and butterfly plate fixed connection, the connecting axle is installed to the below of butterfly plate, and butterfly plate and connecting axle fixed connection.

Preferably, drive gear is installed in the outside of valve rod, and valve rod and drive gear pass through shaft key fixed connection, the internally mounted of transmission case has the worm, and the transmission case passes through the bearing rotation with the worm and is connected, the worm is connected with the drive gear meshing, the hand wheel is installed to one side of transmission case, and transmission case and hand wheel pass through the bearing rotation and are connected.

Preferably, a sealing ring is arranged in the conveying cavity and fixedly connected with the butterfly valve main body, and a circulation hole is formed in the sealing ring.

Preferably, the bottom sleeve is installed below the butterfly valve main body, the butterfly valve main body is connected with the bottom sleeve in a welded mode, a second annular pad is arranged inside the bottom sleeve, a second shaft sleeve is arranged above the second annular pad, and the second shaft sleeve is fixedly connected with the connecting shaft.

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

1. the utility model discloses a through the setting of sealed apron and miscellaneous fill, wherein collect miscellaneous fill activity and set up in the inside of butterfly valve, and be provided with the filter screen in one side that the miscellaneous fill of collection, can filter liquid medium, make debris detain in the miscellaneous fill of collection, the butterfly valve can not take place to block up, has improved the inside pureness of liquid medium, has increased the circulation of butterfly valve, simultaneously through opening of sealed apron, can be in a flexible way with the miscellaneous fill of collection take out from the butterfly valve, has improved the convenience that the miscellaneous fill of clearance collection.

2. The utility model discloses a setting through first ring pad and first axle sleeve, wherein first ring pad and first axle sleeve all set up the outside at the valve rod, and first ring pad sets up in the top of first axle sleeve, setting through first axle sleeve makes valve rod and butterfly valve main part laminate more, reduce the gap that is used for deriving the trompil of valve rod in the butterfly valve main part, setting of rethread first ring pad simultaneously can seal the gap, prevent that the liquid medium in the butterfly valve main part from upwards oozing, the leakproofness of butterfly valve has been improved.

Drawings

FIG. 1 is a schematic view of a butterfly valve for preventing debris blockage according to the present invention;

FIG. 2 is a cross-sectional view of a butterfly valve of the present invention for preventing debris clogging;

fig. 3 is an enlarged view of the portion a of the present invention.

In the figure: 1. a butterfly valve body; 2. sealing the cover plate; 3. a bottom cover; 4. a connecting sleeve; 5. a transmission case; 6. a hand wheel; 7. cleaning the opening; 8. placing a ring plate; 9. a delivery lumen; 10. a trash collecting hopper; 11. filtering with a screen; 12. a flow-through hole; 13. a valve stem; 14. a first ring pad; 15. a first bushing; 16. a seal ring; 17. a butterfly plate; 18. a second shaft sleeve; 19. a connecting shaft; 20. a second ring pad; 21. a transmission gear; 22. a worm.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, an embodiment of the present invention is shown: the utility model provides a prevent butterfly valve of debris jam, including butterfly valve main part 1 and transmission case 5, connecting sleeve 4 is installed to transmission case 5's below, and transmission case 5 passes through bolt fixed connection with connecting sleeve 4, connecting sleeve 4's inside is provided with first ring pad 14, the setting of first ring pad 14, can seal the gap between valve rod 13 and the connecting sleeve 4, prevent that the liquid medium in the butterfly valve main part 1 from upwards oozing, the leakproofness of butterfly valve has been improved, transmission case 5's internally mounted has valve rod 13, and transmission case 5 passes through the bearing rotation with valve rod 13 and is connected, valve rod 13 runs through first ring pad 14, and wear into the inside of butterfly valve main part 1.

Further, first axle sleeve 15 is installed in the outside of valve rod 13, and valve rod 13 and first axle sleeve 15 fixed connection, the setting of first axle sleeve 15, make valve rod 13 and butterfly valve main part 1 laminate more, reduce the gap that is used for deriving the trompil of valve rod 13 on the butterfly valve main part 1, butterfly plate 17 is installed to the below of valve rod 13, and valve rod 13 and butterfly plate 17 fixed connection, valve rod 13 sets up the middle part at butterfly plate 17 top, connecting axle 19 is installed to the below of butterfly plate 17, and butterfly plate 17 and connecting axle 19 fixed connection, the setting of connecting axle 19, can fix the bottom of butterfly plate 17, improve butterfly plate 17 pivoted stability.

Further, the bottom sleeve 3 is installed below the butterfly valve main body 1, the butterfly valve main body 1 is connected with the bottom sleeve 3 in a welded mode, the second annular pad 20 is arranged inside the bottom sleeve 3, the second shaft sleeve 18 is arranged above the second annular pad 20, the second shaft sleeve 18 is fixedly connected with the connecting shaft 19, and the sealing performance of the outer side of the connecting shaft 19 can be improved due to the arrangement of the second shaft sleeve 18.

Further, sealed apron 2 is installed to butterfly valve main part 1's top, and butterfly valve main part 1 passes through bolt fixed connection with sealed apron 2, sealed apron 2's setting, make the miscellaneous fill 10 of collection take out from butterfly valve main part 1 and clear up, the convenience of the miscellaneous fill 10 of collection has been improved, butterfly valve main part 1's inside is provided with clearance mouth 7 and transport chamber 9 respectively, the inside of carrying chamber 9 is provided with sealing washer 16, and sealing washer 16 and butterfly valve main part 1 fixed connection, the inside of sealing washer 16 is provided with circulation hole 12, the setting of sealing washer 16, can improve butterfly plate 17 to the leakproofness of carrying chamber 9.

Further, carry the inside of chamber 9 to be provided with and place crown plate 8, and place crown plate 8 and butterfly valve main part 1 welded connection, the inside of placing crown plate 8 is provided with the through-hole, make collection miscellaneous fill 10 put and to pass and place crown plate 8, the inside of placing crown plate 8 is provided with collection miscellaneous fill 10, and collection miscellaneous fill 10 runs through and places crown plate 8, filter screen 11 is installed to one side of collection miscellaneous fill 10, and collection miscellaneous fill 10 and filter screen 11 fixed connection, filter screen 11 sets up, can hold back the debris in the liquid medium, improve the purity of liquid medium.

Further, a transmission gear 21 is installed on the outer side of the valve rod 13, the valve rod 13 is fixedly connected with the transmission gear 21 through a shaft key, a worm 22 is installed inside the transmission box 5, the transmission box 5 is rotatably connected with the worm 22 through a bearing, the worm 22 is meshed with the transmission gear 21, a hand wheel 6 is installed on one side of the transmission box 5, the transmission box 5 is rotatably connected with the hand wheel 6 through a bearing, the hand wheel 6 is fixedly connected with the worm 22, and when the hand wheel 6 rotates, the worm 22 can also rotate.

The working principle is as follows: during the use, install butterfly valve main part 1 on pipeline, make butterfly valve main part 1's left end and input pipeline be connected, butterfly valve main part 1's right-hand member and output pipeline are connected, twist hand wheel 6 and make worm 22 rotate, through the meshing transmission, worm 22 drives drive gear 21 and rotates, make valve rod 13 rotate, thereby butterfly plate 17 takes place the rotation, the butterfly valve is opened, liquid medium flows from the left end of butterfly valve right, through the effect of the filter screen 11 of collection miscellaneous fill 10, make the debris in the liquid medium be detained in collection miscellaneous fill 10, open sealed apron 2 at intervals, will collect miscellaneous fill 10 and take out from butterfly valve main part 1 and clear up.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a prevent butterfly valve of debris jam, includes butterfly valve main part (1) and transmission case (5), its characterized in that: sealed apron (2) are installed to the top of butterfly valve main part (1), and butterfly valve main part (1) and sealed apron (2) pass through bolt fixed connection, the inside of butterfly valve main part (1) is provided with clearance mouth (7) respectively and carries chamber (9), the inside of carrying chamber (9) is provided with places crown plate (8), and places crown plate (8) and butterfly valve main part (1) welded connection, the inside of placing crown plate (8) is provided with collection miscellaneous fill (10), and collects miscellaneous fill (10) and run through and place crown plate (8), filter screen (11) are installed to one side of collection miscellaneous fill (10), and collection miscellaneous fill (10) and filter screen (11) fixed connection.

2. The butterfly valve of claim 1, wherein the butterfly valve is adapted to prevent debris from clogging: connecting sleeve (4) are installed to the below of transmission case (5), and transmission case (5) and connecting sleeve (4) pass through bolt fixed connection, the inside of connecting sleeve (4) is provided with first ring pad (14), the internally mounted of transmission case (5) has valve rod (13), and transmission case (5) and valve rod (13) rotate through the bearing and be connected, first ring pad (14) is run through in valve rod (13), and wears into the inside of butterfly valve main part (1).

3. The butterfly valve of claim 2, wherein the butterfly valve is adapted to prevent debris from clogging: first axle sleeve (15) are installed in the outside of valve rod (13), and valve rod (13) and first axle sleeve (15) fixed connection, butterfly plate (17) are installed to the below of valve rod (13), and valve rod (13) and butterfly plate (17) fixed connection, connecting axle (19) are installed to the below of butterfly plate (17), and butterfly plate (17) and connecting axle (19) fixed connection.

4. The butterfly valve of claim 2, wherein the butterfly valve is adapted to prevent debris from clogging: drive gear (21) are installed in the outside of valve rod (13), and valve rod (13) and drive gear (21) are through shaft key fixed connection, the internally mounted of transmission case (5) has worm (22), and transmission case (5) and worm (22) rotate through the bearing and be connected, worm (22) are connected with drive gear (21) meshing, hand wheel (6) are installed to one side of transmission case (5), and transmission case (5) rotate through the bearing with hand wheel (6) and are connected.

5. The butterfly valve of claim 1, wherein the butterfly valve is adapted to prevent debris from clogging: the conveying device is characterized in that a sealing ring (16) is arranged in the conveying cavity (9), the sealing ring (16) is fixedly connected with the butterfly valve main body (1), and a circulation hole (12) is formed in the sealing ring (16).

6. The butterfly valve of claim 1, wherein the butterfly valve is adapted to prevent debris from clogging: the bottom sleeve (3) is installed below the butterfly valve body (1), the butterfly valve body (1) is connected with the bottom sleeve (3) in a welding mode, a second annular pad (20) is arranged inside the bottom sleeve (3), a second shaft sleeve (18) is arranged above the second annular pad (20), and the second shaft sleeve (18) is fixedly connected with a connecting shaft (19).