CN213145436U

CN213145436U - Ball valve with backwashing function

Info

Publication number: CN213145436U
Application number: CN202022030104.0U
Authority: CN
Inventors: 余奕娴
Original assignee: Zhejiang Guanlong Machinery Valve Co ltd
Current assignee: Zhejiang Guanlong Machinery Valve Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-05-07
Anticipated expiration: 2030-09-16

Abstract

The utility model relates to the technical field of ball valves, in particular to a ball valve with backwashing function, which comprises a ball valve main body, a first connecting pipe and a second connecting pipe which are respectively communicated with the two ends of the ball valve main body, wherein the inside of the first connecting pipe is provided with a filtering mechanism, the filtering mechanism comprises a hollow ring which is rotatably arranged inside the first connecting pipe through a rotating part, the outer wall of the hollow ring is jointed with the inner wall of the first connecting pipe, the outer wall of the front end of the hollow ring is fixedly connected with a conical filtering net, the inner wall of the hollow ring is fixedly connected with a plurality of diamond blocks, a ring is commonly and fixedly connected between the diamond blocks, the ring is positioned in the middle part of the inner side of the hollow ring, the utility model has the advantages that the filtering net inside the existing ball valve can be backwashed, the sundries adhered on the surface of the filtering net can be removed, the cleaning effect is good, and the phenomenon that the filtering net, ensuring the smooth flow of water.

Description

Ball valve with backwashing function

Technical Field

The utility model relates to a ball valve technical field especially relates to a ball valve with back flush function.

Background

The ball valve, the piece of opening and close (spheroid) is driven by the valve rod, and the valve of rotary motion is made to the duplex winding ball valve axis, also can be used to fluidic regulation and control, and current ball valve filters the debris of inside rivers and can settle a filter screen on the ball valve in order to reach the purpose that stops debris, but this filter screen uses for a long time and can cause a large amount of debris of filter screen surface adhesion, can lead to the filter screen to appear blocking phenomenon to influence the unblocked of rivers.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a ball valve with a back washing function.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a ball valve with back flush function, includes the ball valve main part and communicates first connecting pipe and the second connecting pipe at ball valve main part both ends respectively, the inside of first connecting pipe is equipped with filter mechanism, filter mechanism includes rotates through rotating the piece and installs the hollow ring inside at first connecting pipe, the outer wall of hollow ring is laminated with the inner wall of first connecting pipe mutually, fixedly connected with toper filter screen on the front end outer wall of hollow ring, and a plurality of diamond blocks of inner wall fixedly connected with of hollow ring, it is a plurality of common fixedly connected with ring between the diamond block, the ring is located the inboard middle part of hollow ring, and both ends outer wall shape all is the cambered surface shape around the ring.

Preferably, rotate the connecting axle and the spliced pole that set up including horizontal symmetry, the connecting axle is fixed connection respectively on the outer wall both ends of hollow ring with the corresponding one end of spliced pole, and the equal activity of connecting axle and spliced pole runs through in first connecting pipe, and the sealed pad of equal fixedly connected with on the outer wall of connecting axle and spliced pole, the one end that hollow ring was kept away from to the spliced pole is connected with spacing dish perpendicularly, spacing dish and the outer wall sliding fit of first connecting pipe, the one end that hollow ring was kept away from to the connecting axle extends to the outside of first connecting pipe and runs through in the fixed block, fixed block fixed connection is on the outer wall of first connecting pipe, fixed cover has the spacing ring in the outer wall edge of connecting axle, the equal vertical connecting block that is connected with in outer wall both ends of spacing ring, one of them.

Preferably, the limiting part comprises a bolt, and the bolt penetrates through the outer walls of the connecting block and the fixing block sequentially through threads.

Preferably, an integrally formed structure is arranged between the fixing block and the first connecting pipe.

Preferably, a plurality of the diamond blocks, the hollow ring and the circular ring are all of an integrally formed structure, and the plurality of the diamond blocks are distributed on the inner wall of the hollow ring in an annular array.

Preferably, the conical filter screen is made of a metal material, and the conical filter screen is welded with the circular ring in a connecting relationship.

Compared with the prior art, the utility model discloses following beneficial effect has: through the arrangement of the filtering mechanism, the rotating part and the limiting part, the conical filter screen in the first connecting pipe communicated with the water inlet end of the ball valve main body can filter sundries in water flow, after the conical filter screen is used for a long time, the conical filter screen can rotate clockwise by one hundred eighty degrees to backwash the surface of the conical filter screen, sundries adhered to one surface of the conical filter screen can be washed away along with the water flow directly, and stubborn sundries adhered to the surface of the conical filter screen can also be washed away, so that the surface of the conical filter screen is cleaner, after cleaning is finished, the conical filter screen can be rotated anticlockwise by one hundred eighty degrees to filter sundries in the water flow again, so that the effect of backwashing the filter screen in the existing ball valve can be achieved, the sundries adhered to the surface of the filter screen can be removed, the cleaning effect is good, and the phenomenon that the filter screen is blocked due to the sundries adhered, ensuring the smooth flow of water.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

fig. 3 is a partial cross-sectional view of the present invention;

fig. 4 is another partial cross-sectional view of the present invention;

fig. 5 is a partial cross-sectional view from another perspective of the present invention.

In the figure: 1. a ball valve body; 2. a connecting shaft; 3. a limiting ring; 4. connecting blocks; 5. a bolt; 6. a fixed block; 7. a gasket; 8. a conical filter screen; 9. a limiting disc; 10. a first connecting pipe; 11. a second connecting pipe; 12. a circular ring; 13. diamond-shaped blocks; 14. a hollow ring; 15. connecting columns.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-5, a ball valve with backwashing function comprises a ball valve body 1, a first connecting pipe 10 and a second connecting pipe 11 which are respectively communicated with two ends of the ball valve body 1, a filtering mechanism is arranged inside the first connecting pipe 10, the filtering mechanism comprises a hollow ring 14 which is rotatably installed inside the first connecting pipe 10 through a rotating part, the outer wall of the hollow ring 14 is attached to the inner wall of the first connecting pipe 10, a conical filter screen 8 is fixedly connected to the outer wall of the front end of the hollow ring 14, a plurality of diamond blocks 13 are fixedly connected to the inner wall of the hollow ring 14, a ring 12 is fixedly connected between the diamond blocks 13, the ring 12 is located in the middle of the inner side of the hollow ring 14, and the outer walls of the front end and the rear end of the ring 12 are both arc-shaped.

The rotating part comprises a connecting shaft 2 and a connecting column 15 which are transversely and symmetrically arranged, one end of the connecting shaft 2 corresponding to the connecting column 15 is respectively and fixedly connected to two ends of the outer wall of the hollow ring 14, the connecting shaft 2 and the connecting column 15 are movably penetrated through the first connecting pipe 10, a sealing gasket 7 is fixedly connected to the outer walls of the connecting shaft 2 and the connecting column 15, one end of the connecting column 15 far away from the hollow ring 14 is vertically connected with a limiting disc 9, the limiting disc 9 is in sliding fit with the outer wall of the first connecting pipe 10, one end of the connecting shaft 2 far away from the hollow ring 14 extends to the outer side of the first connecting pipe 10 and penetrates through the fixing block 6, the fixing block 6 is fixedly connected to the outer wall of the first connecting pipe 10, a limiting ring 3 is fixedly sleeved on the edge of the outer wall of the connecting shaft 2, two ends of the, through setting up connecting axle 2, spliced pole 15, spacing dish 9, fixed block 6, spacing ring 3 and connecting block 4, when needs carry out the back flush to toper filter screen 8, clockwise rotation connecting block 4 one hundred eighty degrees drive connecting axle 2 and rotate, thereby connecting axle 2 can drive the inside hollow ring 14 of first connecting pipe 10 and rotate, hollow ring 14 rotates and can drive the one hundred eighty degrees of clockwise rotation of toper filter screen 8 on the hollow ring 14, can be relative with the rivers the another side of toper filter screen 8, through setting up the locating part, connecting block 4 can be fixed at fixed block 6 on first connecting pipe 10, through setting up sealed pad 7, connecting axle 2, the leakproofness between spliced pole 15 and the first connecting pipe 10 is better.

The locating part includes bolt 5, and bolt 5 loops through the outer wall of connecting block 4 and fixed block 6 in the screw thread activity, and through setting up bolt 5, rotation bolt 5 passes connecting block 4 and fixed block 6 in proper order, can fix connecting block 4 on fixed block 6.

The fixing block 6 and the first connecting pipe 10 are integrally formed, so that the stability between the fixing block 6 and the first connecting pipe 10 is improved.

All be integrated into one piece structure between a plurality of diamond 13 and hollow ring 14 and ring 12, and a plurality of diamond 13 annular array establishes on the inner wall of hollow ring 14, has increased the stability between diamond 13, hollow ring 14 and the ring 12 three.

The conical filter screen 8 is made of metal materials, and the connection relation between the conical filter screen 8 and the circular ring 12 is welding, so that the stability of the conical filter screen 8 is improved.

The working principle is as follows: by arranging the hollow ring 14, the conical filter screen 8, the diamond blocks 13 and the circular ring 12, and the outer walls of the front end and the rear end of the circular ring 12 are both arc-shaped, firstly, the circular ring 12 and the diamond blocks 13 can not cause too large resistance to water flow, when a large amount of sundries are adhered to the surface of the conical filter screen 8 in the first connecting pipe 10 after the conical filter screen 8 is used for a long time, the hollow ring 14 can drive the conical filter screen 8 to rotate for one hundred eighty degrees in the first connecting pipe 10 by arranging the rotating part and the limiting part, the other surface of the conical filter screen 8 is opposite to the water flow, at the moment, the diamond blocks 13 and the outer walls of the front end and the rear end are both arc-shaped, the water flow can be guided to the middle part and the edge part of the conical filter screen 8 by passing through the diamond blocks 13 and the circular ring 12, not only can wash away the sundries adhered to the surface, 8 clean effectual in surface of toper filter screen, clean the back that finishes then can make it can filter the inside debris of rivers once more with 8 anticlockwise rotations hundred eighty degrees of toper filter screen to reached and made the inside filter screen of current ball valve can carry out the effect of back flush, can give the debris of filter screen surface adhesion and get rid of, and clean effectual, prevent that the filter screen from using the debris of filter screen surface adhesion for a long time can lead to the filter screen blocking phenomenon to appear, guaranteed the unblocked of rivers.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a ball valve with back flush function, includes ball valve main part (1) and communicates first connecting pipe (10) and second connecting pipe (11) at ball valve main part (1) both ends respectively, its characterized in that: the inside of first connecting pipe (10) is equipped with filtering mechanism, filtering mechanism includes rotates hollow ring (14) of installing in first connecting pipe (10) inside through rotating, the outer wall of hollow ring (14) is laminated mutually with the inner wall of first connecting pipe (10), fixedly connected with toper filter screen (8) on the front end outer wall of hollow ring (14), and a plurality of diamond-shaped blocks (13) of inner wall fixedly connected with of hollow ring (14), it is a plurality of common fixedly connected with ring (12) between diamond-shaped block (13), ring (12) are located the inboard middle part of hollow ring (14), and both ends outer wall shape all is the cambered surface shape around ring (12).

2. The ball valve with the back flushing function according to claim 1, characterized in that: the rotating piece comprises a connecting shaft (2) and a connecting column (15) which are transversely symmetrically arranged, the connecting shaft (2) and one end corresponding to the connecting column (15) are respectively and fixedly connected to the two ends of the outer wall of the hollow ring (14), the connecting shaft (2) and the connecting column (15) are movably penetrated through the first connecting pipe (10), a sealing gasket (7) is fixedly connected to the outer wall of the connecting shaft (2) and the outer wall of the connecting column (15), one end of the connecting column (15), far away from the hollow ring (14), is vertically connected with a limiting disc (9), the limiting disc (9) is in sliding fit with the outer wall of the first connecting pipe (10), one end of the connecting shaft (2), far away from the hollow ring (14), extends to the outer side of the first connecting pipe (10) and penetrates through a fixing block (6), the fixing block (6) is fixedly connected to the outer wall of the first connecting pipe (10), and a limiting ring (3) is fixedly, the outer wall both ends of spacing ring (3) all are connected with connecting block (4) vertically, one of them be equipped with the locating part between connecting block (4) and fixed block (6).

3. The ball valve with the back flushing function according to claim 2, characterized in that: the limiting part comprises a bolt (5), and the bolt (5) penetrates through the outer walls of the connecting block (4) and the fixing block (6) in a threaded manner.

4. The ball valve with the back flushing function according to claim 2, characterized in that: and an integrally formed structure is arranged between the fixing block (6) and the first connecting pipe (10).

5. The ball valve with the back flushing function according to claim 1, characterized in that: the plurality of diamond blocks (13), the hollow ring (14) and the circular ring (12) are all of an integrally formed structure, and the plurality of diamond blocks (13) are distributed on the inner wall of the hollow ring (14) in an annular array.

6. The ball valve with the back flushing function according to claim 1, characterized in that: the conical filter screen (8) is made of metal materials, and the connection relation between the conical filter screen (8) and the circular ring (12) is welding.