CN213628992U

CN213628992U - Ball valve with switchable filtering function

Info

Publication number: CN213628992U
Application number: CN202022482374.5U
Authority: CN
Inventors: 朱华峰
Original assignee: Zhejiang Ruitong Valve Co ltd
Current assignee: Zhejiang Ruitong Valve Co ltd
Priority date: 2020-10-31
Filing date: 2020-10-31
Publication date: 2021-07-06
Anticipated expiration: 2030-10-31

Abstract

The utility model discloses a filter changeable ball valve, including valve body and disk seat, install the valve rod on the valve body, be equipped with the cooperation disk seat on the valve rod and form sealed spheroid, the valve body is including the main part that has first runner and the connecting portion that have the runner, be connected with the connecting tube between connecting portion and the main part, be formed with ordinary runner and filtration runner in the connecting tube, all sealed the rotation between connecting tube and connecting portion and the main part, the connecting tube is rotating the ordinary runner of in-process and is all communicating with each other with first runner with filtering the runner, be equipped with between connecting tube and the connecting portion and be used for controlling ordinary runner and the runner communicates with each other or filter runner and the communicating switching components of runner, be equipped with on the connecting tube and carry out filterable filtering component to filtering the runner. The utility model has the advantages of it is following and effect: the utility model discloses can realize filtering and not cross the switching between two functions according to the user demand to satisfy the user demand, reach better practicality.

Description

Ball valve with switchable filtering function

Technical Field

The utility model relates to a valve, in particular to filter changeable ball valve.

Background

It is well known that valves are one of the indispensable industrial plumbing accessories and equipments in the national economy, both in factories and mines, requiring various pipes to convey various media, for example; the valve is a device used for controlling the direction, pressure and flow of fluid in a fluid system, and has the functions of diversion, cut-off, throttling, non-return, flow splitting or overflow pressure relief and the like.

In some special use conditions, different requirements are made on the sanitation level of the fluid medium according to different use requirements. The common valve in the prior art has either a filtering function or no filtering function, and as is well known, the service life of the filtering device is limited, the filtering device needs to be replaced periodically, and the use cost of the filtering device is high. The use cost is greatly increased if the valve with the filter is used without filtering the fluid medium; if the valve is provided without filtration, the valve cannot play a role in filtration when the fluid medium needs to be filtered. In order to meet the use requirements, the invention is inoculated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a filter changeable ball valve, this filter changeable ball valve can realize filtering and not cross the switching between two functions according to the user demand to satisfy the user demand, reach better practicality.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a filter changeable ball valve, includes the valve body and installs in the inside disk seat of valve body, install the valve rod on the valve body, be equipped with the cooperation disk seat on the valve rod and form sealed spheroid, the valve body is including the main part that has first runner and the connecting portion that have into the runner, be connected with the connecting tube between connecting portion and the main part, be formed with ordinary runner and filtration runner in the connecting tube, all seal the rotation between connecting tube and connecting portion and the main part, the connecting tube is rotating the in-process ordinary runner and is filtering the runner and all communicates with each other with first runner, be equipped with between connecting tube and the connecting portion and be used for controlling ordinary runner and enter the runner and communicate with each other or filter the runner and enter the communicating switching component of runner, be equipped with on the connecting tube and carry out filterable filtering component to.

By adopting the technical scheme, when the fluid medium is not required to be filtered, the switching assembly switches the inlet channel to be communicated with the common channel, and the fluid medium flows towards the first channel through the inlet channel and the common channel in sequence. When needs filter fluid medium, switch into the runner through switching module and communicate with each other with filtering the runner, fluid medium passes through into the runner in proper order, filters the runner and circulates towards first runner, when filtering the runner, filters the fluid medium that flows through the filter component that sets up to realize the switching between two functions according to the demand of using, promote the practicality of valve.

Further setting the following steps: the switching assembly comprises a baffle arranged in the flow inlet channel and a sealing gasket arranged on one surface of the baffle facing the connecting pipeline, and a flow outlet used for communicating a common flow channel or a filtering flow channel is formed between the baffle and the wall of the flow inlet channel.

By adopting the technical scheme, when the common flow channel rotates to the position corresponding to the outflow port, the filtering flow channel corresponds to the sealing gasket, the filtering flow channel is sealed by the sealing gasket, and the communication between the inflow channel and the common flow channel is realized through the outflow port. When the filtering flow passage rotates to a position corresponding to the flow outlet, the common flow passage corresponds to the sealing gasket.

Further setting the following steps: the outer wall of the connecting pipeline is provided with two positioning holes, the outer wall of the connecting part is movably provided with a positioning pin for penetrating into the positioning holes, and when the positioning pin penetrates into one of the positioning holes, the outflow port is communicated with the common flow channel; when the positioning pin penetrates into the other positioning hole, the flow outlet is communicated with the filtering flow channel.

Through adopting above-mentioned technical scheme, the cooperation between locating pin and the locating hole plays the positioning action to the position after the switching subassembly switches, guarantees the accurate switching of fluid medium between ordinary runner and filtration runner, promotes the stability of structure.

Further setting the following steps: including setting up in the export that filters the runner, filtering element is including the casing that has the filter chamber and set up the filter screen in the casing, the filter screen is separated into influent stream chamber and play flow chamber with the filter chamber, it forms sealed division board to be equipped with the cooperation filter screen in the filter flow path, the division board is separated into the left part influent stream mouth that communicates the influent stream chamber and is communicated the right part outflow mouth that flows out the chamber with the export.

By adopting the technical scheme, the fluid medium in the filtering flow channel flows into the flow inlet cavity from the left flow inlet, then passes through the filter screen and enters the flow outlet cavity, and the fluid medium in the flow outlet cavity flows into the filtering flow channel from the right flow outlet and then flows towards the first flow channel, so that the filtering operation on the fluid medium is completed.

Further setting the following steps: the shell is sleeved with a nut which is in running fit with the shell, and the nut is in threaded connection with the connecting pipeline and used for driving the shell to seal the outlet.

Through adopting above-mentioned technical scheme, the stable seal between casing and the connecting tube is realized to the mode that the nut is connected, and can not drive the casing rotation at the in-process of rotating the nut to ensure the accurate butt joint between filter screen and the division board.

Further setting the following steps: and sealing rings are arranged between the connecting part and the connecting pipeline and between the connecting pipeline and the main body part.

Through adopting above-mentioned technical scheme, setting up of sealing washer promotes sealed effect, prevents to leak.

Further setting the following steps: and a driving cavity for driving the valve seat to move towards the ball body is formed between the valve seat and the main body part, and the driving cavity is communicated with the first flow passage.

Through adopting above-mentioned technical scheme, when the medium pressure in the first runner increased, pressure got into drive chamber drive disk seat and moved towards the spheroid to make the valve reach better sealed effect.

To sum up, the utility model discloses following beneficial effect has: the utility model discloses can realize filtering and not cross the switching between two functions according to the user demand to satisfy the user demand, reach better practicality.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 1.

In the figure: 1.1, a main body part; 1.2, a first flow passage; 1.3, a connecting part; 1.4, a flow inlet channel; 2. a valve seat; 3. a valve stem; 4. connecting a pipeline; 5. a common flow channel; 6. filtering the flow channel; 7. a switching component; 71. a baffle plate; 72. a gasket; 73. an outflow port; 8. a filter member; 81. a housing; 82. filtering with a screen; 83. a flow inlet cavity; 84. an outflow cavity; 9. positioning holes; 10. positioning pins; 11. a partition plate; 12. a left inlet; 13. a right outflow port; 14. a nut; 15. a seal ring; 16. a drive chamber; 17. a sphere.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 3, a ball valve with switchable filtering includes a valve body, the valve body includes a main body portion 1.1 having a first flow passage 1.2 and a connecting portion 1.3 having an inlet flow passage 1.4, a valve seat 2 with a sliding seal is installed in the main body portion 1.1, a valve rod 3 penetrating into the main body portion 1.1 is installed on the main body portion 1.1, and a ball 17 matching with the valve seat 2 to form a seal is installed on the valve rod 3. Connecting tube 4 is connected with between connecting portion 1.3 and main part 1.1, is formed with ordinary runner 5 and filtering flow 6 in the connecting tube 4, all seals between connecting tube 4 and connecting portion 1.3, between connecting tube 4 and the main part 1.1 and rotates, all is equipped with sealing washer 15 between connecting portion 1.3 and connecting tube 4, between connecting tube 4 and the main part 1.1. A drive chamber 16 for driving the valve seat 2 towards the ball 17 is formed between the valve seat 2 and the main body 1.1, the drive chamber 16 communicating with the first flow passage 1.2.

The connecting pipeline 4 is provided with a common flow passage 5 and a filtering flow passage 6 which are communicated with the first flow passage 1.2 in the rotation process, a switching component 7 which is used for controlling the common flow passage 5 to be communicated with the flow inlet passage 1.4 or the filtering flow passage 6 to be communicated with the flow inlet passage 1.4 in the rotation process is arranged between the connecting pipeline 4 and the connecting part 1.3, and the connecting pipeline 4 is provided with a filtering component 8 for filtering the filtering flow passage 6. The switching assembly 7 includes a baffle 71 fixedly disposed in the inlet channel 1.4 and a gasket 72 fixedly disposed on a surface of the baffle 71 facing the connecting pipe 4, and an outlet 73 for communicating the common channel 5 or the filtering channel 6 is formed between the baffle 71 and the wall of the inlet channel 1.4.

Two positioning holes 9 are formed in the outer wall of the connecting pipeline 4, a positioning pin 10 used for penetrating into the positioning holes 9 is movably arranged on the outer wall of the connecting part 1.3, and when the positioning pin 10 penetrates into one of the positioning holes 9, the outflow port 73 is communicated with the common flow passage 5; when the positioning pin 10 is inserted into another positioning hole 9, the outflow port 73 communicates with the filter flow path 6. The outlet is arranged on the filtering flow passage 6, the filtering component 8 comprises a shell 81 with a filtering cavity and a filter screen 82 fixedly arranged in the shell 81, the filter screen 82 separates the filtering cavity into an inflow cavity 83 and an outflow cavity 84, a partition plate 11 matched with the filter screen 82 to form a seal is fixedly arranged in the filtering flow passage 6, and the outlet is separated into a left inflow port 12 communicated with the inflow cavity 83 and a right outflow port 13 communicated with the outflow cavity 84 by the partition plate 11. The shell 81 is sleeved with a nut 14 which is in running fit with the shell, and the nut 14 is in threaded connection with the connecting pipeline 4 and is used for driving the shell 81 to seal an outlet.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a filter changeable ball valve, includes the valve body and installs in inside disk seat (2) of valve body, install valve rod (3) on the valve body, be equipped with on valve rod (3) and cooperate disk seat (2) to form sealed spheroid (17), its characterized in that: the valve body comprises a main body part (1.1) with a first flow channel (1.2) and a connecting part (1.3) with a flow inlet channel (1.4), a connecting pipeline (4) is connected between the connecting part (1.3) and the main body part (1.1), a common flow passage (5) and a filtering flow passage (6) are formed in the connecting pipeline (4), the connecting pipeline (4), the connecting part (1.3) and the main body part (1.1) rotate in a sealing way, the common flow passage (5) and the filtering flow passage (6) are communicated with the first flow passage (1.2) in the rotation process of the connecting pipeline (4), a switching component (7) which is used for controlling the communication between the common flow passage (5) and the flow inlet passage (1.4) or the communication between the filtering flow passage (6) and the flow inlet passage (1.4) in the rotating process is arranged between the connecting pipeline (4) and the connecting part (1.3), and a filtering component (8) for filtering the filtering flow channel (6) is arranged on the connecting pipeline (4).

2. A filter switchable ball valve as claimed in claim 1, wherein: the switching assembly (7) comprises a baffle (71) arranged in the flow inlet channel (1.4) and a sealing gasket (72) arranged on one surface of the baffle (71) facing the connecting pipeline (4), and an outflow opening (73) used for communicating the common flow channel (5) or the filtering flow channel (6) is formed between the baffle (71) and the wall of the flow inlet channel (1.4).

3. A filter switchable ball valve as claimed in claim 2, wherein: the outer wall of the connecting pipeline (4) is provided with two positioning holes (9), the outer wall of the connecting part (1.3) is movably provided with a positioning pin (10) which is used for penetrating into the positioning holes (9), and when the positioning pin (10) penetrates into one of the positioning holes (9), the outflow port (73) is communicated with the common flow channel (5); when the positioning pin (10) penetrates into another positioning hole (9), the outflow opening (73) is communicated with the filtering flow passage (6).

4. A filter switchable ball valve as claimed in claim 1, wherein: including setting up in the export that filters flow path (6), filtering component (8) are including casing (81) that have the filter chamber and set up filter screen (82) in casing (81), filter screen (82) separate into influent stream chamber (83) with the filter chamber and flow chamber (84), be equipped with in filtering flow path (6) and cooperate filter screen (82) to form sealed division board (11), division board (11) will export left part influent stream mouth (12) of separating into intercommunication influent stream chamber (83) and right part effluent stream mouth (13) of intercommunication effluent chamber (84).

5. A filter switchable ball valve as claimed in claim 4, wherein: the shell (81) is sleeved with a nut (14) in running fit with the shell, and the nut (14) is in threaded connection with the connecting pipeline (4) and is used for driving the shell (81) to seal an outlet.

6. A filter switchable ball valve as claimed in claim 1, wherein: sealing rings (15) are arranged between the connecting part (1.3) and the connecting pipeline (4) and between the connecting pipeline (4) and the main body part (1.1).

7. A filter switchable ball valve as claimed in claim 1, wherein: a driving cavity (16) used for driving the valve seat (2) to move towards the ball body (17) is formed between the valve seat (2) and the main body portion (1.1), and the driving cavity (16) is communicated with the first flow channel (1.2).