CN217939387U

CN217939387U - Ball valve with stable opening and closing

Info

Publication number: CN217939387U
Application number: CN202222215043.4U
Authority: CN
Inventors: 阮淑轻
Original assignee: Dalian Shenhua Light Industry Machinery Co ltd
Current assignee: Dalian Shenhua Light Industry Machinery Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2022-12-02
Anticipated expiration: 2032-08-22

Abstract

The utility model discloses a ball valve with stable opening and closing, which comprises a valve casing, wherein a valve seat is fixed at the top end of the valve casing, a valve rod is arranged in the middle of the valve seat, a handle is fixed at the top end of the valve rod, a feeding pipe is fixed at the left end of the valve casing, and a discharging pipe is fixed at the right end of the valve casing; the middle part of inlet pipe is fixed with the cartridge filter, the position department that one side inner wall that the cartridge filter is close to the valve casing is connected with the inlet pipe is equipped with the filter screen, the inside of cartridge filter is equipped with multiunit clearance scraper blade, the inside of cartridge filter is equipped with and is used for driving clearance scraper blade pivoted runner assembly, be equipped with on hand and be used for carrying out the locating component who fixes a position to the position of handle, the utility model discloses a set up multiunit clearance scraper blade, can drive multiunit clearance scraper blade and rotate under runner assembly's effect to can clear up the surface of filter screen, play better anti-blocking effect, avoid impurity jam to influence the flow of medium in the filter screen.

Description

Ball valve with stable opening and closing

Technical Field

The utility model relates to a ball valve technical field specifically is an open and close stable ball valve.

Background

The ball valve is driven by the valve rod and rotates around the axis of the ball valve, and the ball valve is divided into: pneumatic ball valves, electric ball valves, manual ball valves.

The chinese utility model patent that current patent publication number is CN215334608U discloses a long service life's ball valve, through setting up filter equipment, realizes the filtration to the intraductal medium of feed liquor, conveniently discharges the filth through decontamination channel, has improved the filtration and the dirt-removing power of valve body.

Above-mentioned device is when using, can't clear up filter equipment's surface, and filter equipment uses the back for a long time, and impurity can block up on the filter equipment to can cause filter equipment to block up, influence the flow of medium, to this problem, provide one kind now and open and close stable ball valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an open and close stable ball valve to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a ball valve with stable opening and closing comprises a valve casing, wherein a valve seat is fixed at the top end of the valve casing, a valve rod matched with the valve seat is arranged in the middle of the valve seat, a handle for driving the valve rod to rotate is fixed at the top end of the valve rod, a feeding pipe is fixed at the left end of the valve casing, and a discharging pipe is fixed at the right end of the valve casing;

the middle part of inlet pipe is fixed with the cartridge filter, cartridge filter and inlet pipe intercommunication, the position department that one side inner wall that the cartridge filter is close to the valve casing is connected with the inlet pipe is equipped with and is used for carrying out filterable filter screen to the medium, the inside of cartridge filter is equipped with the clearance scraper blade that the multiunit is used for preventing filter screen clogging, the inside of cartridge filter is equipped with and is used for driving clearance scraper blade pivoted runner assembly, be equipped with on hand and be used for carrying out the locating component of location to the position of handle.

As a further aspect of the present invention: the runner assembly connects in the inside pivot of cartridge filter including rotating, the fixed surface of pivot has multiunit rotor blade, multiunit the clearance scraper blade is fixed in the one end that multiunit rotor blade kept away from the pivot respectively, just one side that rotor blade was kept away from in the pivot contacts with the filter screen.

As a further aspect of the present invention: the positioning assembly comprises a positioning block positioned at the bottom end of one side of the handle, two groups of positioning grooves matched with the positioning block are arranged at the top end of the valve seat, and a lifting mechanism used for driving the positioning block to lift is arranged on the handle.

As a further aspect of the present invention: elevating system is including being located the locating piece top and running through the perforation that the handle set up, fenestrate inside be equipped with perforation matched with threaded rod, the bottom of threaded rod with rotate through the bearing between the locating piece and be connected, one side that the top of locating piece is located the threaded rod is equipped with the guide that is used for playing the guide effect to the locating piece.

As a further aspect of the present invention: the guide piece comprises a guide hole positioned on one side of the through hole, a guide rod is connected inside the guide hole in a sliding mode, and one end of the guide rod is fixedly connected with the positioning block.

As a further aspect of the present invention: the bottom mounting of cartridge filter is used for carrying out the collecting vat that collects to impurity, collecting vat and cartridge filter intercommunication, just the bottom of collecting vat is equipped with and collects vat assorted end cover, pass through multiunit bolted connection between end cover and the collecting vat.

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

the utility model discloses a set up multiunit clearance scraper blade, can drive multiunit clearance scraper blade and rotate under the effect of runner assembly to can clear up the surface of filter screen, play better preventing stifled effect, avoid impurity to block up and influence the flow of medium in the filter screen.

The utility model discloses a set up locating component, utilize elevating system to make the locating piece remove to the inside of the constant head tank of different positions department to can realize the fixed to the handle position, increase the stability of valve main part after opening and closure, also can play the effect of preventing mistake bumping simultaneously, satisfy the user demand.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the filter cartridge of the present invention.

Fig. 3 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

Wherein: 11. a valve housing; 12. a valve seat; 13. a valve stem; 14. a handle; 15. perforating; 16. a threaded rod; 17. positioning blocks; 18. positioning a groove; 19. a guide hole; 20. a guide bar; 21. a feeding pipe; 22. a discharge pipe; 23. a filter cartridge; 24. a filter screen; 25. a rotating shaft; 26. a rotating blade; 27. cleaning a scraper; 28. collecting tank; 29. and (6) end covers.

Detailed Description

In one embodiment, as shown in fig. 1 to 3, a ball valve with stable opening and closing comprises a valve casing 11, a valve seat 12 is fixed at the top end of the valve casing 11, a valve rod 13 matched with the valve seat 12 is arranged in the middle of the valve seat 12, a handle 14 for driving the valve rod 13 to rotate is fixed at the top end of the valve rod 13, when in use, the handle 14 drives the valve rod 13 to rotate by rotating the handle 14, the valve rod 13 drives a valve core positioned inside the valve casing 11 to rotate, when the ball valve body is opened, a feed pipe 21 and a discharge pipe 22 are opened at corresponding positions of the valve core, a medium can flow, when the ball valve body is closed, the feed pipe 21 and the discharge pipe 22 are spherical at corresponding positions of the valve core, the medium cannot pass through the valve casing 11, a feed pipe 21 is fixed at the left end of the valve casing 11, and a discharge pipe 22 is fixed at the right end of the valve casing 11;

a filter cylinder 23 is fixed in the middle of the feed pipe 21, the filter cylinder 23 is communicated with the feed pipe 21, a filter screen 24 for filtering a medium is arranged at a position, which is close to the connection position of the inner wall of one side of the valve casing 11, of the filter cylinder 23 and the feed pipe 21, the filter screen 24 can be used for filtering the medium, so that the ball valve main body is prevented from being abraded by impurities in the medium, a plurality of groups of cleaning scrapers 27 for preventing the filter screen 24 from being blocked are arranged in the filter cylinder 23, a rotating assembly for driving the cleaning scrapers 27 to rotate is arranged in the filter cylinder 23, the rotating assembly can be used for driving the cleaning scrapers 27 to rotate, so that the surface of the filter screen 24 can be cleaned, a good anti-blocking effect is achieved, a positioning assembly for positioning the position of the handle 14 is arranged on the handle 14, the positioning assembly can position the handle 14, can increase the stability of the valve main body after opening and closing, and avoid the situation that a valve core in the valve casing 11 rotates due to excessive water flow;

in this embodiment, when the medium flows to the discharging pipe 22 from the feeding pipe 21, the medium can drive the rotating assembly to rotate, so as to drive the cleaning scraper 27 to rotate, thereby conveniently cleaning the surface of the filter screen 24 and preventing blockage.

In one embodiment, as shown in fig. 1, the rotating assembly includes a rotating shaft 25 rotatably connected to the inside of the filter cartridge 23, a plurality of sets of rotating blades 26 are fixed on the surface of the rotating shaft 25, specifically, the rotating blades 26 are arranged in an arc shape, a plurality of sets of cleaning scrapers 27 are respectively fixed on one ends of the plurality of sets of rotating blades 26 away from the rotating shaft 25, and one side of the rotating shaft 25 away from the rotating blades 26 is in contact with the filter screen 24, specifically, the rotating shaft 25 is located below the feed pipe 21, when a medium flows, the medium first contacts with the rotating blades 26 (does not first contact with the rotating shaft 25), so that the rotating blades 26 can be driven to rotate clockwise, and the possibility of the rotating blades 26 turning over is reduced;

in this embodiment, when the medium flows from the feeding pipe 21 to the discharging pipe 22, the medium can contact with the rotating blade 26 and impact the rotating blade 26, so that the rotating blade 26 is driven to rotate along the rotating shaft 25 with a certain force, and the cleaning scraper 27 can be driven to rotate when the rotating blade 26 rotates.

In one embodiment, as shown in fig. 1, the positioning assembly includes a positioning block 17 located at a bottom end of one side of the handle 14, two sets of positioning grooves 18 matching with the positioning block 17 are disposed at a top end of the valve seat 12, when the valve body is turned from the open state to the closed state or from the closed state to the open state, the handle 14 will rotate 90 degrees, the handle 14 will drive the positioning block 17 to rotate 90 degrees, positions of the two sets of positioning grooves 18 correspond to positions of the positioning block 17 when the valve body is opened or closed, and a lifting mechanism for driving the positioning block 17 to lift is disposed on the handle 14;

in this embodiment, the positioning block 17 can be driven to move by using the lifting mechanism, so that the positioning block 17 can be moved into the corresponding positioning slot 18, and the position of the handle 14 is fixed.

In one embodiment, as shown in fig. 1, the lifting mechanism includes a through hole 15 located above a positioning block 17 and penetrating through a handle 14, a threaded rod 16 matched with the through hole 15 is disposed inside the through hole 15, a bottom end of the threaded rod 16 is rotatably connected with the positioning block 17 through a bearing, specifically, a knob for driving the threaded rod 16 to rotate is fixed at a top end of the threaded rod 16, and a guide member for guiding the positioning block 17 is disposed on one side of the top end of the positioning block 17 located on the threaded rod 16;

in this embodiment, by rotating the threaded rod 16, the threaded rod 16 can be screwed into the through hole 15, and the positioning block 17 can be driven to move under the guidance of the guiding member, so that the positioning block 17 can be moved into the corresponding positioning slot 18.

In one embodiment, as shown in fig. 1, the guide member includes a guide hole 19 located on one side of the through hole 15, a guide rod 20 is slidably connected inside the guide hole 19, specifically, the cross section of the guide hole 19 may be square, the cross section of the guide rod 20 matches the cross section of the guide hole 19, one end of the guide rod 20 is fixedly connected to the positioning block 17, the other end of the guide rod 20 may be fixedly provided with a limiting plate for limiting the guide rod 20, and the cross section of the limiting plate is larger than the cross section of the guide hole 19;

in the present embodiment, the positioning block 17 can be guided by the sliding connection between the guide hole 19 and the guide rod 20, and the stability of the movement of the positioning block 17 can be increased.

In one embodiment, as shown in fig. 1, a collecting groove 28 for collecting impurities is fixed at the bottom end of the filter cylinder 23, the collecting groove 28 is communicated with the filter cylinder 23, when the cleaning scraper 27 cleans impurities on the surface of the filter screen 24, the impurities can enter the inside of the collecting groove 28 under the driving of the cleaning scraper 27 and the rotating blade 26, an end cover 29 matched with the collecting groove 28 is arranged at the bottom end of the collecting groove 28, the end cover 29 is connected with the collecting groove 28 through a plurality of sets of bolts, and specifically, a sealing gasket for sealing is arranged at the connection position of the collecting groove 28 and the end cover 29;

in this embodiment, impurities can be collected in a centralized manner by means of the collecting tank 28, and the collecting tank 28 can be opened by means of the end cover 29, so that the impurities inside the collecting tank 28 can be cleaned conveniently.

The embodiment discloses a ball valve with stable opening and closing, when in use, when the position of handle 14 needs to be fixed, through rotating threaded rod 16, make threaded rod 16 can screw into the inside of perforation 15, can drive locating piece 17 to move under the direction of guide bar 20, thereby can make locating piece 17 move to the inside of corresponding constant head tank 18, the fixing of handle 14 position has been realized, the stability of valve main part after opening and closing has been increased, when the medium flows to discharging pipe 22 from inlet pipe 21, the medium can contact and assault rotating vane 26 with rotating vane 26, thereby there is certain strength to drive rotating vane 26 and rotate along pivot 25, rotating vane 26 can drive clearance scraper 27 when rotating, can clear up the surface of filter screen 24 through clearance scraper 27, play anti-blocking's effect, the impurity that clears up gets into the inside of collecting vat 28 under clearance scraper 27 and rotating vane 26's drive and concentrates and collect.

Claims

1. A ball valve with stable opening and closing comprises a valve casing (11), wherein a valve seat (12) is fixed at the top end of the valve casing (11), a valve rod (13) matched with the valve seat (12) is arranged in the middle of the valve seat (12), a handle (14) for driving the valve rod (13) to rotate is fixed at the top end of the valve rod (13), a feeding pipe (21) is fixed at the left end of the valve casing (11), and a discharging pipe (22) is fixed at the right end of the valve casing (11);

its characterized in that, the middle part of inlet pipe (21) is fixed with cartridge filter (23), cartridge filter (23) and inlet pipe (21) intercommunication, the position department that one side inner wall that cartridge filter (23) is close to valve casing (11) is connected with inlet pipe (21) is equipped with and is used for carrying out filterable filter screen (24) to the medium, the inside of cartridge filter (23) is equipped with multiunit and is used for preventing clearance scraper blade (27) that filter screen (24) blockked up, the inside of cartridge filter (23) is equipped with and is used for driving clearance scraper blade (27) pivoted runner assembly, be equipped with on handle (14) and be used for carrying out the locating component of location to the position of handle (14).

2. The ball valve with stable opening and closing according to claim 1, wherein the rotating assembly comprises a rotating shaft (25) rotatably connected to the inside of the filter cylinder (23), a plurality of groups of rotating blades (26) are fixed on the surface of the rotating shaft (25), a plurality of groups of cleaning scrapers (27) are respectively fixed on one ends of the plurality of groups of rotating blades (26) far away from the rotating shaft (25), and one side of the rotating shaft (25) far away from the rotating blades (26) is in contact with the filter screen (24).

3. The ball valve capable of opening and closing stably according to claim 1, wherein the positioning assembly comprises a positioning block (17) located at the bottom end of one side of the handle (14), two groups of positioning grooves (18) matched with the positioning block (17) are formed in the top end of the valve seat (12), and a lifting mechanism for driving the positioning block (17) to lift is arranged on the handle (14).

4. The opening and closing stable ball valve according to claim 3, characterized in that the lifting mechanism comprises a through hole (15) which is positioned above the positioning block (17) and is arranged through the handle (14), a threaded rod (16) which is matched with the through hole (15) is arranged inside the through hole (15), the bottom end of the threaded rod (16) is rotatably connected with the positioning block (17) through a bearing, and a guide member which is used for guiding the positioning block (17) is arranged at one side of the top end of the positioning block (17) which is positioned on the threaded rod (16).

5. The ball valve capable of opening and closing stably according to claim 4, wherein the guiding member comprises a guiding hole (19) located at one side of the through hole (15), a guiding rod (20) is slidably connected inside the guiding hole (19), and one end of the guiding rod (20) is fixedly connected with the positioning block (17).

6. The ball valve with the stable opening and closing functions as claimed in claim 1, wherein a collecting groove (28) for collecting impurities is fixed at the bottom end of the filter cylinder (23), the collecting groove (28) is communicated with the filter cylinder (23), an end cover (29) matched with the collecting groove (28) is arranged at the bottom end of the collecting groove (28), and the end cover (29) is connected with the collecting groove (28) through a plurality of groups of bolts.