CN213899450U

CN213899450U - Anti-blocking hydraulic valve

Info

Publication number: CN213899450U
Application number: CN202023003042.0U
Authority: CN
Inventors: 徐瑞良; 赵小田; 申柳洋
Original assignee: Yitu Hydraulic Engineering Technology Changzhou Co ltd
Current assignee: Yitu Hydraulic Engineering Technology Changzhou Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-08-06
Anticipated expiration: 2030-12-14

Abstract

The utility model belongs to the technical field of the technique of a hydrovalve and specifically relates to a prevent blockking up hydrovalve is related to, and it includes the valve body, and the one end of valve body is imported, and the other end is the export, set up in the one end of valve body setting import and the passageway of import intercommunication, be provided with the separation screen sleeve in the passageway, the centre of separating the screen sleeve is provided with the spiral agitator, the central line of spiral agitator is along filter equipment's central line direction, the position that lies in the passageway in the valve body is provided with the by-pass, by-pass one end is connected with the drain pipe, and the other end extends to the position of separating the screen sleeve. This application has the effect that reduces the valve and need artifical clean frequency.

Description

Anti-blocking hydraulic valve

Technical Field

The application relates to the technical field of hydraulic valves, in particular to an anti-blocking hydraulic valve.

Background

The hydraulic valve is an automatic element operated by pressure oil, is controlled by the pressure oil of a distribution valve, is usually combined with an electromagnetic distribution valve for use, and can be used for remotely controlling the connection and disconnection of oil, gas and water pipeline systems of hydropower stations. It is commonly used for oil circuits of clamping, controlling, lubricating and the like.

The patent document with the publication number of CN210138519U discloses an anti-blocking hydraulic valve, which comprises a hydraulic valve body, wherein the hydraulic valve body comprises an oil inlet pipe, a strip-shaped notch is arranged on the surface of the hydraulic valve body, close to an oil inlet of the oil inlet pipe, and the strip-shaped notch is communicated with the oil inlet pipe; the strip-shaped notch is inserted with a filtering device, and the filtering device comprises a filter screen and a clamping strip connected with the filter screen; and the surface of the hydraulic valve body is far away from an oil inlet of the oil inlet pipe.

Above-mentioned structure is filtered the fluid that enters into in the oil feed pipe by the filter screen, reduces and blocks up, but to the washing of filter screen more frequent.

SUMMERY OF THE UTILITY MODEL

In order to reduce the problem that the valve needs the frequency of manual cleaning, this application provides a prevent blockking up hydrovalve.

The application provides a prevent blockking up hydrovalve adopts following technical scheme:

the utility model provides a prevent blockking up hydrovalve, includes the valve body, and the one end of valve body is the import, and the other end is the export, set up in the one end that the valve body set up the import with the passageway of import intercommunication, be provided with the separation screen cloth in the passageway, the centre of separating the screen cloth is provided with the spiral agitator, the central line of spiral agitator is along filter equipment's central line direction, the position that lies in the passageway in the valve body is provided with the by-pass, by-pass one end is connected with the drain pipe, and the other end extends to the position of separating the screen cloth.

Through adopting above-mentioned technical scheme, during the use, connect a branch road on the drain pipe, install the air-vent valve on the branch road, the in-process that the fluid that gets into when the import formed rotary motion under the effect of helical agitator, impurity in the fluid removes to the edge of passageway, impurity through separating behind the screen cloth with the helical agitator separation, fluid partly flows and takes away by impurity through the drain pipe to make impurity discharge in the valve body, reduce the frequency that needs artifical cleanness.

Preferably, a gap is reserved between the outer wall of the separation net sleeve and the inner wall of the channel, and the bypass channel is communicated with the gap.

Through adopting above-mentioned technical scheme, leave the clearance between the outer wall of partition net cover and the passageway inner wall, can make impurity relatively enter into the clearance easily, then flow out through the by-pass.

Preferably, the by-pass includes main ring way and a branch passageway, the passageway is located the position in the middle of the main ring way, a plurality of and one end and main ring way intercommunication branch passageway, the other end distributes on the inner wall that the passageway set up the separation net cover, drain pipe an organic whole sets up on the valve body and communicates with main ring way.

By adopting the technical scheme, the main loop is communicated with the branch passages, and the branch passages are distributed on the inner wall of the channel provided with the separation net sleeve, so that the oil liquid can enable impurities to flow into the branch passages in the rotating process.

Preferably, the spiral stirrer comprises a spiral blade and a middle support frame, the spiral blade is fixedly connected with the middle support frame, the central line of the spiral blade is superposed with the central line of the channel, the middle support frame is positioned in the middle of the spiral blade, and the position of the spiral blade far away from the middle support frame is fixed on the separation net sleeve.

Through adopting above-mentioned technical scheme, helical blade and intermediate strut fixed connection, when fluid passes through helical blade, because helical blade's effect can make fluid flow along helical blade to make fluid can the helical motion.

Preferably, one of middle support frame is close to in the one end of import and is provided with the centering plate, the central point of centering plate puts and is provided with the spliced pole, middle support frame and spliced pole fixed connection to the diameter of centering plate equals the diameter of passageway, the inlet has been seted up on the centering plate.

By adopting the technical scheme, when the middle support frame is supported by the centering plate, the center of the middle support frame is kept by the centering plate, so that the middle support frame is convenient to install, and meanwhile, the centering plate is installed with the middle support frame through the connecting column, so that the centering plate is convenient to connect with the middle support frame.

Preferably, at least two liquid inlets are formed in each centering plate, and the opening direction of each liquid inlet is inclined from the inlet to the outlet gradually towards the inner wall of the channel.

Through adopting above-mentioned technical scheme, the inlet sets up two fluid that make things convenient for the inlet to flow at least and rotates at the helical agitator, and the inlet that the slope set up simultaneously can make fluid be at the edge of helical agitator more easily.

Preferably, the one end that middle support frame kept away from in the centering plate sets up a plurality of branches, on the fixed middle support frame that sets up of one end of branch, the other end of branch is provided with the ring, the center of ring and the center coincidence of centering plate, the annular has been seted up to the bottom that lies in the passageway on the valve body, the center of annular and the center coincidence of passageway, ring cooperation card is in the annular.

Through adopting above-mentioned technical scheme, the ring card is established in the annular, and the ring makes middle support frame keep away from the one end in the centering plate through a plurality of branches and centers to can further make the central line of middle support frame and the coincidence of the central line of passageway.

Preferably, an annular caulking groove is formed in the circumferential wall, which is in contact with the inner wall of the channel, of the centering plate, a sealing ring is arranged in the annular caulking groove, and the sealing ring abuts against the annular caulking groove and the inner wall of the channel.

By adopting the technical scheme, the sealing rings are arranged in the annular caulking grooves and are respectively abutted between the annular caulking grooves and the channel, so that the positions of the centering plate and the inner wall of the channel are sealed, and the phenomenon that oil passes through the edge of the centering plate is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in the process that oil entering through an inlet forms rotary motion under the action of the spiral stirrer, impurities in the oil move to the edge of the channel, the impurities are separated from the spiral stirrer after passing through the separation mesh sleeve, and one part of the oil flows out through the liquid outlet pipe and is taken away by the impurities, so that the frequency of manual cleaning is reduced;

2. through the gap between the outer wall of the separation net sleeve and the inner wall of the channel, impurities can easily enter the gap;

3. set up two fluid that make things convenient for the inlet to flow through the inlet at least and rotate at the helical agitator, the inlet that the slope set up simultaneously can make fluid be at the edge of helical agitator more easily.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Description of reference numerals: 1. a valve body; 11. an inlet; 12. an outlet; 13. a channel; 14. a ring groove; 2. a valve core; 3. a separating net cover; 4. a helical agitator; 41. a helical blade; 42. a middle support frame; 421. a threaded hole; 5. a bypass path; 51. a main loop; 52. a branch path; 6. a liquid outlet pipe; 7. a centering plate; 71. a liquid inlet; 72. an annular caulking groove; 73. connecting columns; 8. a seal ring; 91. a strut; 92. a circular ring.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

The embodiment of the application discloses prevent blockking up hydrovalve, including valve body 1, valve body 1 is cylindrical, has seted up import 11 in the one end of valve body 1, and export 12 has been seted up to the other end, and import 11's position gets into fluid, and export 12's position outflow fluid is located valve body 1 and is provided with case 2 near the position of export 12. The position that is located valve body 1 and is close to import 11 has seted up passageway 13, passageway 13 is cylindrical, the columniform of passageway 13 and the columniform coincidence of valve body 1, internally mounted at passageway 13 has separation net cover 3, separate 3 cylindricality lamellar bodies of net cover, the external diameter of separating net cover 3 is less than the internal diameter of passageway 13, when making separation net cover 3 install the inside at passageway 13, separate the interval setting formation clearance between the inner wall of net cover 3 and passageway 13, be provided with helical agitator 4 in separating net cover 3, helical agitator 4 can lead to the fluid that flows through in the passageway 13 and make the liquid spiral in the passageway 13 rotate and remove to the direction of export 12. Thereby the rotation when fluid passes through spiral agitator 4 can make the impurity in the fluid remove to the edge of fluid to through separating screen cloth 3, when entering into separating screen cloth 3, because fluid and spiral agitator 4 separation, fluid reverse entering into the inside of separating screen cloth 3 less, thereby make impurity enter into the clearance that forms between separating screen cloth 3 and the passageway 13.

The position that is located to set up at the inside of valve body 1 and separates the screen cloth 3 has seted up by-pass 5, and by-pass 5 includes main loop 51 and a branch passageway 52, and a branch passageway 52 has a plurality ofly, and a branch passageway 52 distributes along the length direction of valve body 1 has a plurality ofly, and also distributes along the circumference of passageway 13 a plurality ofly, and the one end and the clearance intercommunication of a branch passageway 52, the other end all extend to in the main loop 51 to communicate with main loop 51. The main loop 51 is arranged inside the valve body 1, the center line of the channel 13 is superposed with the center line of the main loop 51, the diameter of the main loop 51 is larger than that of the channel 13, the valve body 1 is integrally provided with the liquid outlet pipe 6, and the liquid outlet pipe 6 is arranged inside the main loop 51 arranged on the valve body 1, so that the liquid outlet pipe 6 is communicated with the main loop 51. When the valve is used, one end of an inlet 11 of the valve body 1 is connected with the input of oil, an outlet 12 is communicated with the output of the oil, and meanwhile, the liquid outlet pipe 6 is connected with a pipeline and a pressure regulating valve of an oil return box, so that pressure can be formed in the valve body 1, and part of the oil is shunted to the liquid outlet pipe 6, so that the oil flowing out of the liquid outlet pipe 6 can be driven to flow out by impurities separated by the separation mesh sleeve 3, and the cleaning frequency of the valve is reduced.

The helical agitator 4 comprises a helical blade 41 and an intermediate support frame 42, the intermediate support frame 42 is cylindrical, the central line of the intermediate support frame 42 coincides with the central line of the channel 13, one end of the intermediate support frame 42 close to the inlet 11 is provided with a centering plate 7, the intermediate support frame 42 is supported by the centering plate 7, the position of the intermediate support frame 42 is kept, the helical blade 41 is fixed on the outer wall of the intermediate support frame 42, the central line of the helical blade 41 coincides with the central line of the intermediate support frame 42, and one side of the helical blade 41 far away from the intermediate support frame 42 is equal to the inner wall of the channel 13. The separation net sleeve 3 is sleeved on the helical blade 41, and the separation net and one side of the helical blade 41 far away from the middle support frame 42 are welded and fixed, so that the gap between the separation net sleeve 3 and the circumferential direction of the inner wall of the channel 13 is relatively uniform.

The centering plate 7 is circular, the diameter of the centering plate 7 is equal to the inner diameter of the channel 13, at least two liquid inlets 71 are formed in the centering plate 7, the two liquid inlets 71 are symmetrically distributed about the center of the centering plate 7, and the liquid inlets 71 are gradually inclined towards the direction from the inlet 11 to the outlet 12 to the direction away from the central line of the middle support frame 42, so that oil enters from the inlet 11 and then is divided into two paths to enter the positions of the helical blades 41 from the two liquid inlets 71. The annular caulking groove 72 is formed in the circumferential outer wall of the centering plate 7, the sealing ring 8 is arranged in the annular caulking groove 72, the sealing ring 8 can be selected to be O-shaped, when the centering plate 7 is installed in the channel 13, the sealing ring 8 abuts between the inner wall of the channel 13 and the inner wall of the annular caulking groove 72, and therefore oil liquid is reduced from flowing out of the edge of the centering plate 7.

For the convenience of being connected to centering plate 7 and middle support frame 42, middle support frame 42 is close to the one end of centering plate 7 and is seted up threaded hole 421, and centering plate 7 is provided with spliced pole 73 towards on the one side of middle support frame 42, and spliced pole 73 perpendicular to centering plate 7 just is in the central point of centering plate 7 and puts, through spliced pole 73 and threaded hole 421 threaded connection, makes middle support frame 42 connect on centering plate 7. One end of the middle support frame 42, which is far away from the centering plate 7, is provided with a plurality of support rods 91, the number of the support rods 91 can be four, the support rods 91 are circumferentially distributed at the end part of the middle support frame 42, one end of each support rod 91 is fixed on the middle support frame 42, the other end of each support rod 91 is provided with a ring 92, each ring 92 is fixedly connected with the support rods 91, the center line of each ring 92 is superposed with the center line of the middle support frame 42, a ring groove 14 is formed in the end part, located at the bottom of the channel 13, of the valve body 1, the center line of each ring groove 14 is superposed with the center line of the channel 13, when the spiral stirrer 4 is placed at the bottom of the channel 13, the rings 92 are clamped in the ring grooves 14 in a matched mode, and therefore the center line of the separation net sleeve 3 and the center line of the channel 13 are further kept on the same straight line.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a prevent blockking up hydrovalve, includes valve body (1), and the one end of valve body (1) is import (11), and the other end is export (12), its characterized in that: the utility model discloses a filter device, including valve body (1), passageway (13) that have seted up with import (11) intercommunication in the one end that valve body (1) set up import (11), be provided with in passageway (13) and separate gauze cover (3), the centre of separating gauze cover (3) is provided with spiral agitator (4), the central line of spiral agitator (4) is along filter equipment's central line direction, the position that lies in passageway (13) in valve body (1) is provided with by-pass (5), by-pass (5) one end is connected with drain pipe (6), and the other end extends to the position of separating gauze cover (3).

2. The anti-jam hydraulic valve as set forth in claim 1, wherein: a gap is reserved between the outer wall of the separation net sleeve (3) and the inner wall of the channel (13), and the bypass channel (5) is communicated with the gap.

3. An anti-jam hydraulic valve as claimed in claim 1 or claim 2, characterised in that: bypass (5) are including main loop (51) and branch passageway (52), passageway (13) are located the position in the middle of main loop (51), branch passageway (52) have a plurality ofly and one end and main loop (51) intercommunication, and the other end distributes on passageway (13) set up the inner wall of separating wire netting (3), drain pipe (6) an organic whole set up on valve body (1) with main loop (51) intercommunication.

4. The anti-jam hydraulic valve as set forth in claim 1, wherein: spiral agitator (4) include helical blade (41) and middle support frame (42), helical blade (41) and middle support frame (42) fixed connection, the central line of helical blade (41) and the coincidence of the central line of passageway (13), middle support frame (42) are located the centre of helical blade (41), and the position that middle support frame (42) was kept away from in helical blade (41) is fixed on separating screen cloth (3).

5. The anti-jam hydraulic valve as set forth in claim 4, wherein: one of middle support frame (42) is close to in the one end of import (11) and is provided with centering plate (7), the central point of centering plate (7) puts and is provided with spliced pole (73), middle support frame (42) and spliced pole (73) fixed connection to the diameter of centering plate (7) equals the diameter of passageway (13), inlet (71) have been seted up on centering plate (7).

6. The anti-jam hydraulic valve as set forth in claim 5, wherein: at least two liquid inlets (71) are formed in each centering plate (7), and the forming direction of each liquid inlet (71) is gradually inclined from the inlet (11) to the outlet (12) towards the inner wall of the channel (13).

7. The anti-jam hydraulic valve as set forth in claim 4, wherein: middle support frame (42) are kept away from the one end in centering plate (7) and are set up a plurality of branch (91), on the fixed middle support frame (42) that sets up of one end of branch (91), the other end of branch (91) is provided with ring (92), the center of ring (92) and the center coincidence of centering plate (7), annular (14) have been seted up to the bottom that lies in passageway (13) on valve body (1), the center of annular (14) and the center coincidence of passageway (13), ring (92) cooperation card is in annular (14).

8. The anti-jam hydraulic valve as set forth in claim 5, wherein: annular caulking groove (72) have been seted up on centering plate (7) and the circumference wall of passageway (13) inner wall contact, be provided with sealing washer (8) in annular caulking groove (72), sealing washer (8) butt is on annular caulking groove (72) and passageway (13) inner wall.