CN219655382U

CN219655382U - Filtering ball valve

Info

Publication number: CN219655382U
Application number: CN202320665978.4U
Authority: CN
Inventors: 惠明
Original assignee: Jiangsu Mcc Hydraulic Parts Co ltd
Current assignee: Jiangsu Mcc Hydraulic Parts Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-09-08
Anticipated expiration: 2033-03-30

Abstract

The utility model relates to a filtering ball valve, which comprises a ball valve body, wherein a water inlet pipe and a water outlet pipe are arranged on the ball valve body, a valve core is arranged between the water inlet pipe and the water outlet pipe, a mounting pipe is communicated with the water inlet pipe, the tail end of the mounting pipe is obliquely arranged towards the water outlet pipe, a filter screen cylinder is arranged in the mounting pipe, the liquid inlet end of the filter screen cylinder is in sealing connection with the inner cavity of the water inlet pipe, the bottom end of the mounting pipe is provided with an opening and closing pipe, the opening and closing pipe is provided with an opening and closing valve, a rotating shaft is rotatably arranged on the water inlet pipe through a sealing bearing structure and is matched with the rotating shaft to be provided with a driving piece, the tail end of the rotating shaft extends into the filter screen cylinder, and a spiral conveying blade is arranged at the edge position of the spiral conveying blade and is matched with the inner wall of the filter screen cylinder to be provided with a cleaning brush.

Description

Filtering ball valve

Technical Field

The utility model relates to the technical field of filtering ball valves, in particular to a filtering ball valve.

Background

The ball valve is a valve with an opening and closing part (ball body) driven by a valve rod and rotating around the axis of the ball valve, wherein the filtering part of the filtering ball valve in the prior art is generally composed of a valve body, a plug, a filter screen and the like; and frequent dismantlement and installation process probably have the condition that the installation is not in place, insecure, or the installation dynamics is too big and cause the product dark crack, has reduced the life of product, still has the hidden danger of leaking.

The utility model provides a filtering ball valve in chinese patent document of publication No. CN206845962U, it includes valve body and ball core, have the clearance mouth on the valve body, there is the blanking cap in the clearance mouth, have water channel and blow-off passageway on the ball core, water channel internal fixation has the filter screen, set up the blow-off section of thick bamboo in the clearance mouth, the inner of blow-off section of thick bamboo stretches into in the blow-off passageway, the outer end of blow-off section of thick bamboo supports and leans on the blanking cap, the convex bulge loop that is on the medial surface of blow-off passageway entry end, the medial surface of bulge loop leans on the outer terminal surface of bulge loop, and the medial surface of bulge loop bulge blow-off section of thick bamboo, the filter screen includes the net portion and sets up the fixed part at the outer edge of net portion, be provided with the draw-in groove that is annular on the wall surface of water channel, the outer edge card of fixed part is gone into the draw-in groove, the medial surface of fixed part along the bulge water channel.

The filtering ball valve among the above-mentioned scheme is when clear up, need not dismantle, the inconvenience that has avoided dismantling repeatedly to cause and potential safety hazard, but in the above-mentioned scheme, with the filter screen setting in the case of ball valve, like this, the impurity of being intercepted will pile up in the internal passageway of case, and the adhesion is on the passageway inner wall of case, the circulation smoothness that can influence the ball valve for a long time, and the impurity of being intercepted in the above-mentioned scheme descends to in the blowdown section of thick bamboo under self action of gravity, and discharge through the blowdown section of thick bamboo, can't clean the impurity of adhesion on the filter screen, in addition, the mode through the shutoff cap in the above-mentioned scheme controls opening and closing of clearance mouth, the simple operation nature is poor, the condition of water appears easily when realizing the shutoff of clearance mouth.

Disclosure of Invention

The utility model aims to provide a filtering ball valve, which solves the problems that the filtering ball valve in the prior art proposed in the background art is inconvenient to clean impurities and has poor cleaning effect.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a filtering ball valve, includes the ball valve body, be provided with inlet tube and outlet pipe on the ball valve body, be provided with the case between inlet tube and the outlet pipe, the intercommunication is provided with the installation tube on the inlet tube, the tail end slope of installation tube sets up towards the outlet pipe, be provided with the filter screen section of thick bamboo in the installation tube, sealing connection between the inner chamber of the feed liquor end of filter screen section of thick bamboo and inlet tube, the bottom of installation tube is provided with the opening and closing tube, be provided with the opening and closing valve on the opening and closing tube, install the pivot through sealed bearing structure rotation on the inlet tube to the cooperation pivot is provided with the driving piece, the tail end of pivot extends to in the filter screen section of thick bamboo, and is provided with screw conveyor blade, screw conveyor blade's marginal position cooperation filter screen section of thick bamboo's inner wall is provided with the brush.

As a further scheme of the utility model: be provided with the block seat on the inner wall of inlet tube, the top of cooperation filter screen section of thick bamboo is provided with the block groove on the block seat, be provided with the seal seat between the top of cooperation filter screen section of thick bamboo in the block groove, realize the detachable sealed installation between the top of filter screen section of thick bamboo and the inner wall of inlet tube through the setting of block seat, block groove and seal seat.

As still further aspects of the utility model: the top of opening and close the pipe is provided with the linkage segment, the linkage segment is located the bottom inboard of installation pipe to with install threaded connection between the pipe, be convenient for open and close the pipe installation and dismantlement on the installation pipe.

As still further aspects of the utility model: a sealing gasket ring is arranged between the top end of the connecting section and the filter screen cylinder, a sealing groove is formed in the sealing gasket ring in cooperation with the bottom end of the filter screen cylinder, the bottom end of the filter screen cylinder is clamped in the sealing groove, and the tightness between the filter screen cylinder and the mounting pipe and the opening and closing pipe is enhanced.

As still further aspects of the utility model: the sealing gasket is arranged between the opening and closing pipe and the mounting pipe, and is sleeved on the outer side of the connecting section, so that the connection tightness between the opening and closing pipe and the mounting pipe is enhanced.

As still further aspects of the utility model: the water inlet pipe is provided with a differential pressure meter, the differential pressure meter is connected with the two sides of the water inlet pipe, which are positioned on the filter screen cylinder, and is used for detecting the differential pressure between the water inlet pipes on the two sides of the filter screen, thereby judging the accumulation condition of impurities in the filter screen cylinder.

As still further aspects of the utility model: the free ends of the water inlet pipe and the water outlet pipe are respectively provided with a connecting flange, and connecting holes are formed in the connecting flanges and used for connecting the ball valve body with an external pipeline.

Compared with the prior art, the utility model has the advantages that:

1. according to the utility model, the filter screen cylinder for filtering in the medium circulation process is arranged on the water inlet pipe of the ball valve body, so that the medium can be filtered before reaching the valve core, the condition that impurities in the medium are accumulated on the inner wall of the circulation cavity of the valve core is avoided, and the circulation effect of the ball valve body is ensured.

2. In addition, the filter screen cylinder which is obliquely arranged is adopted to intercept impurities in the medium, so that the impurities in the medium can be naturally accumulated at the bottom of the filter screen cylinder under the action of gravity, and the overall circulation performance of the ball valve body is improved.

3. According to the utility model, the rotating shaft is arranged on the water inlet pipe in cooperation with the filter screen cylinder, the spiral conveying blades and the cleaning brush are arranged on the rotating shaft, meanwhile, the driving piece is arranged in cooperation with the rotating shaft, the rotating shaft can be driven to rotate through the driving piece, the spiral conveying blades can be driven to rotate through the rotating shaft, the cleaning brush can be driven to rotate through the spiral conveying blades, impurities accumulated in the filter screen cylinder can be assisted to be discharged outwards through the rotation of the spiral conveying blades, the situation that the impurities are accumulated and blocked in the filter screen cylinder is avoided, the cleaning brush can clean the inner wall of the filter screen cylinder in the rotating process, the cleaning effect of the filter screen cylinder during impurity discharge is improved, and the subsequent filtering effect of the filter screen cylinder and the circulation efficiency of media at the filter screen cylinder are ensured.

4. The utility model is convenient for the treatment of the filter screen cylinder in the ball valve body to intercept impurities, can clean the inner wall of the filter screen cylinder, is convenient to use, has good filtering effect and ensures smooth medium circulation.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a filter ball valve of the present utility model;

FIG. 2 is a schematic diagram showing the overall structure of a filtering ball valve according to the present utility model;

FIG. 3 is a schematic cross-sectional view of the overall internal structure of the present utility model;

FIG. 4 is a schematic exploded view in cross-section of the overall internal structure of the present utility model;

fig. 5 is a schematic cross-sectional view of a connection structure among a water inlet pipe, a clamping seat and a filter screen barrel in the utility model.

In the figure: 1. a ball valve body; 2. a water inlet pipe; 3. a water outlet pipe; 4. a valve core; 5. installing a pipe; 6. a filter screen cylinder; 7. opening and closing the pipe; 8. opening and closing the valve; 9. a rotating shaft; 10. a driving member; 11. spiral conveying blades; 12. a cleaning brush; 13. a clamping seat; 14. a clamping groove; 15. a sealing seat; 16. a connection section; 17. a seal grommet; 18. sealing grooves; 19. a sealing gasket; 20. a differential pressure gauge; 21. a connecting flange; 22. and a connection hole.

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.

Example 1:

referring to fig. 1 to 5, in an embodiment of the present utility model:

the utility model provides a filtering ball valve, including ball valve body 1, be provided with inlet tube 2 and outlet pipe 3 on the ball valve body 1, be provided with case 4 between inlet tube 2 and the outlet pipe 3, the intercommunication is provided with installation pipe 5 on the inlet tube 2, the tail end slope of installation pipe 5 sets up towards outlet pipe 3, be provided with filter screen section of thick bamboo 6 in the installation pipe 5, sealing connection between the inner chamber of the feed liquor end of filter screen section of thick bamboo 6 and inlet tube 2, the bottom of installation pipe 5 is provided with opening and closing pipe 7, be provided with opening and closing valve 8 on the opening and closing pipe 7, install pivot 9 through sealing bearing structure rotation on the inlet tube 2, and cooperate pivot 9 to be provided with driving piece 10, the tail end of pivot 9 extends to in the filter screen section of thick bamboo 6, and be provided with spiral delivery blade 11, wherein, the axle center of pivot 9 coincides with the axle center of filter screen section of thick bamboo 6, the inner wall that the edge position cooperation filter screen section of thick bamboo 6 of thick bamboo 11 is provided with cleaning brush 12.

In the embodiment of the utility model, the following steps are included: be provided with block seat 13 on the inner wall of inlet tube 2, the top of cooperation filter screen section of thick bamboo 6 is provided with block groove 14 on the block seat 13, is provided with seal seat 15 between the top of cooperation filter screen section of thick bamboo 6 in the block groove 14, realizes the installation of filter screen section of thick bamboo 6 top on block seat 13 through block groove 14, can strengthen the leakproofness between the top of filter screen section of thick bamboo 6 and the block groove 14 through the setting of seal seat 15 to strengthen the leakproofness between the inner wall of filter screen section of thick bamboo 6 and inlet tube 2.

In the embodiment of the utility model, the following steps are included: the top of opening and close pipe 7 is provided with linkage segment 16, and linkage segment 16 is located the bottom inboard of installation pipe 5 to with install threaded connection between the pipe 5, the setting up through linkage segment 16 is convenient for open and close the detachable installation of pipe 7 in installation pipe 5 bottom, the change of opening and close pipe 7 and opening and closing valve 8 of being convenient for like this, the dismantlement and the change of filter screen section of thick bamboo 6 in the installation pipe 5 of being convenient for simultaneously.

In the embodiment of the utility model, the following steps are included: a sealing gasket ring 17 is arranged between the top end of the connecting section 16 and the filter screen cylinder 6, a sealing groove 18 is formed in the sealing gasket ring 17 and matched with the bottom end of the filter screen cylinder 6, the bottom end of the filter screen cylinder 6 is clamped in the sealing groove 18, the sealing performance between the connecting section 16 and the filter screen cylinder 6 can be enhanced through the arrangement of the sealing gasket ring 17, the sealing between the connecting section 16 and the filter screen cylinder 6 is further improved through the arrangement of the sealing groove 18, the sealing gasket ring 17 is extruded through the connecting section 16, and therefore the filter screen cylinder 6 is extruded through the sealing gasket ring 17, and stable installation of the filter screen cylinder 6 in the installation pipe 5 is realized.

In the embodiment of the utility model, the following steps are included: a sealing gasket 19 is arranged between the opening and closing pipe 7 and the mounting pipe 5, the sealing gasket 19 is sleeved on the outer side of the connecting section 16, and the sealing property between the opening and closing pipe 7 and the mounting pipe 5 can be further enhanced through the arrangement of the sealing gasket 19.

In the embodiment of the utility model, the following steps are included: be provided with differential pressure table 20 on inlet tube 2, differential pressure table 20 connects inlet tube 2 to be located the both sides of filter screen section of thick bamboo 6, can detect the water pressure in inlet tube 2 of filter screen section of thick bamboo 6 both sides through differential pressure table 20, when differential pressure reaches a certain value, indicates that the impurity in the filter screen section of thick bamboo 6 has piled up the emission numerical value to can outwards discharge the impurity of interception in the filter screen section of thick bamboo 6 through the cooperation of opening and shutting valve 8 and driving piece 10, realize the self-cleaning of filter ball valve.

In the embodiment of the utility model, the following steps are included: the free ends of the water inlet pipe 2 and the water outlet pipe 3 are respectively provided with a connecting flange 21, the connecting flanges 21 are respectively provided with a connecting hole 22, and the ball valve body 1 is connected with an external pipeline through the cooperation of the connecting flanges 21 and the connecting holes 22.

Example 2:

referring to fig. 1 to 5, the utility model relates to a filtering ball valve, when in use, a medium to be filtered is conveyed into a ball valve body 1 from a water inlet pipe 2, firstly, the medium can reach a filter screen cylinder 6, impurities in the medium can be intercepted by the filter screen cylinder 6 and accumulated in the filter screen cylinder 6, the filtered medium can pass through the filter screen cylinder 6 and flow to a valve core 4, the flow control of the ball valve body 1 can be realized by controlling the opening and closing of the valve core 4, and when the valve core 4 flows, the medium conveys the filtered medium outwards through a water outlet pipe 3;

the water pressure of the water inlet pipe 2 on two sides of the filter screen cylinder 6 is detected by the differential pressure meter 20, when the differential pressure reaches a set value, the opening and closing valve 8 and the driving piece 10 are controlled to be opened, wherein the opening and closing valve 8 is preferably an electromagnetic plate valve, the driving piece 10 is preferably a stepping motor, after the opening and closing valve 8 is opened, the installation pipe 5 is communicated with the outside through the opening and closing pipe 7, and under the impact of water flow and the gravity action of impurities, the intercepted impurities in the filter screen cylinder 6 can flow outwards through the opening and closing pipe 7, so that the intercepted impurities in the filter screen cylinder 6 are cleaned;

meanwhile, the rotating shaft 9 can be driven to rotate through the driving piece 10, the spiral conveying blade 11 can be driven to rotate through the rotating shaft 9, the cleaning brush 12 can be driven to rotate through the spiral conveying blade 11, the rotation of the spiral conveying blade 11 can assist the impurity accumulated in the filter screen cylinder 6 to be discharged outwards, the condition that the impurity is accumulated and blocked in the filter screen cylinder 6 is avoided, the cleaning brush 12 can clean the inner wall of the filter screen cylinder 6 in the rotating process, the cleaning effect of the filter screen cylinder 6 during impurity discharge is improved, and the subsequent filtering effect of the filter screen cylinder 6 and the circulation efficiency of a medium at the filter screen cylinder 6 are ensured;

by observing the differential pressure meter 20, when the differential pressure on both sides of the filter screen cylinder 6 is recovered to be normal, the on-off valve 8 is closed, so that the medium circulation filtration is continued;

in the process, the valve core 4 can be kept in an open state, so that the conveying continuity of media can be ensured, only a part of the media is shunted to realize the flushing of the filter screen cylinder 6, and the filter screen cylinder is convenient and efficient to use.

Example 3:

referring to fig. 1 to 5, on the basis of embodiment 2, the filter screen cylinder 6 for filtering in the medium circulation process is arranged on the water inlet pipe 2 of the ball valve body 1, so that the medium can be filtered before reaching the valve core 4, the condition that impurities in the medium are accumulated on the inner wall of the circulation cavity of the valve core 4 is avoided, and the circulation effect of the ball valve body 1 is ensured;

in addition, the filter screen cylinder 6 which is obliquely arranged is adopted to intercept impurities in the medium, so that the impurities in the medium can be naturally accumulated at the bottom of the filter screen cylinder 6 under the action of gravity, and the overall circulation performance of the ball valve body 1 is improved;

according to the utility model, the rotating shaft 9 is arranged on the water inlet pipe 2 in cooperation with the filter screen cylinder 6, the spiral conveying blades 11 and the cleaning brushes 12 are arranged on the rotating shaft 9, meanwhile, the driving piece 10 is arranged in cooperation with the rotating shaft 9, the rotating shaft 9 can be driven to rotate through the driving piece 10, the spiral conveying blades 11 can be driven to rotate through the rotating shaft 9, the cleaning brushes 12 can be driven to rotate through the spiral conveying blades 11, impurities accumulated in the filter screen cylinder 6 can be assisted to be discharged outwards through the rotation of the spiral conveying blades 11, the situation that the impurities are accumulated and blocked in the filter screen cylinder 6 is avoided, the cleaning brushes 12 can clean the inner wall of the filter screen cylinder 6 in the rotating process, the cleaning effect of the filter screen cylinder 6 during impurity discharge is improved, and the subsequent filtering effect of the filter screen cylinder 6 and the circulation efficiency of media at the filter screen cylinder 6 are ensured.

In all the above mentioned embodiments, the welding, the matching connection of the bolt and the nut, the bolt or the screw connection or other known connection modes can be selected according to the actual situation, and are not described in detail herein, the above description refers to the write-in fixed connection, and the welding is preferentially considered, but the protection scope of the present utility model is not limited thereto, and any person skilled in the art should be covered by the protection scope of the present utility model if the technical scheme and the inventive concept thereof are equivalent or changed within the scope of the present utility model.

Claims

1. The utility model provides a filter ball valve, includes ball valve body (1), be provided with inlet tube (2) and outlet pipe (3) on ball valve body (1), be provided with case (4), its characterized in that between inlet tube (2) and outlet pipe (3): the utility model discloses a cleaning brush, including inlet tube (2), filter screen section of thick bamboo (6), filter screen section of thick bamboo (11), filter screen section of thick bamboo (6) are provided with installation tube (5) in the intercommunication on inlet tube (2), the tail end slope of installation tube (5) sets up towards outlet pipe (3), sealing connection between the inner chamber of inlet tube (2) and filter screen section of thick bamboo (6), the bottom of installation tube (5) is provided with opens and close tube (7), be provided with on opening and close valve (8) on opening and closing tube (7), pivot (9) are installed through sealed bearing structure rotation on inlet tube (2) to cooperation pivot (9) are provided with driving piece (10), the tail end of pivot (9) extends to in filter screen section of thick bamboo (6), and is provided with spiral delivery blade (11), the inner wall that the edge position of spiral delivery blade (11) cooperated filter screen section of thick bamboo (6) is provided with cleaning brush (12).

2. A filter ball valve as defined in claim 1, wherein: the inner wall of the water inlet pipe (2) is provided with a clamping seat (13), the top end of the clamping seat (13) matched with the filter screen cylinder (6) is provided with a clamping groove (14), and a sealing seat (15) is arranged between the top ends of the clamping groove (14) matched with the filter screen cylinder (6).

3. A filter ball valve as defined in claim 1, wherein: the top of the opening and closing pipe (7) is provided with a connecting section (16), and the connecting section (16) is positioned at the inner side of the bottom of the installation pipe (5) and is in threaded connection with the installation pipe (5).

4. A filter ball valve as in claim 3 wherein: a sealing gasket ring (17) is arranged between the top end of the connecting section (16) and the filter screen barrel (6), a sealing groove (18) is formed in the sealing gasket ring (17) in cooperation with the bottom end of the filter screen barrel (6), and the bottom end of the filter screen barrel (6) is clamped in the sealing groove (18).

5. The filter ball valve of claim 4, wherein: a sealing gasket (19) is arranged between the opening and closing pipe (7) and the mounting pipe (5), and the sealing gasket (19) is sleeved on the outer side of the connecting section (16).

6. A filter ball valve as defined in claim 1, wherein: the water inlet pipe (2) is provided with a differential pressure meter (20), and the differential pressure meter (20) is connected with the water inlet pipe (2) and is positioned at two sides of the filter screen cylinder (6).

7. The filter ball valve of claim 6, wherein: the free ends of the water inlet pipe (2) and the water outlet pipe (3) are respectively provided with a connecting flange (21), and the connecting flanges (21) are respectively provided with a connecting hole (22).