CN112503243A

CN112503243A - Anti-blocking environment-friendly filter valve

Info

Publication number: CN112503243A
Application number: CN202011343515.3A
Authority: CN
Inventors: 刘霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-03-16

Abstract

The invention belongs to the technical field of valves and discloses an anti-blocking environment-friendly filter valve which comprises a valve body, a water spraying device and filter screens, wherein a first cavity and a second cavity are arranged on the outer wall of the valve body, a first through hole, a rectangular hole and a second through hole are formed in the inner wall of the valve body, the inner cavity of the first cavity is communicated with the inside of the valve body through the third through hole, the inner cavity of the second cavity is communicated with the inside of the valve body through the rectangular hole, the filter screens are obliquely arranged in the valve body, the second cavity is used for collecting impurities which are not filtered, a plurality of third through holes are formed in the filter screens, at least one fourth through hole is formed around one third through hole, the aperture of each fourth through hole is smaller than that of the third through hole, the water spraying device is arranged in the first cavity, a first pipeline is connected between the lower end of each fourth through hole and the water spraying device, so that the, impurities enter the second cavity, so that the filter screen is prevented from being blocked, and the impurities are convenient to clean.

Description

Anti-blocking environment-friendly filter valve

Technical Field

The invention belongs to the field of valves, and particularly relates to an anti-blocking environment-friendly filter valve.

Background

The filter valve is a device for carrying out filtration pretreatment, and is also an indispensable device of a pipeline series for conveying media, and is usually arranged at the inlet end of equipment such as a hydraulic control valve, a pressure reducing valve, a pressure relief valve, a water stop valve and the like, and is used for eliminating impurities in the media and preventing granular impurities from entering a channel to cause blockage, so that fittings on the equipment pipeline are protected from abrasion and blockage.

However, the existing filter valve is not anti-clogging, and after the filter valve is used for a period of time, impurities can block a filter screen in the filter valve, so that the filter screen needs to be cleaned, and time and labor are wasted; secondly, the filter screen is not detached, but is backwashed in the filter valve, but the impurities clamped partially can still not be washed out in the mode, the washing is not clean, and the filtering efficiency can still be influenced during use.

Disclosure of Invention

The invention provides an anti-blocking environment-friendly filter valve which can solve the technical problem.

The invention provides the following technical scheme: an anti-blocking environment-friendly filter valve comprises a valve body, a water spraying device and a filter screen, wherein a first cavity and a second cavity are arranged on the outer wall of the valve body, a rectangular hole and a second through hole are formed in the inner wall of the valve body, the inner cavity of the first cavity is communicated with the inside of the valve body through the second through hole, the inner cavity of the second cavity is communicated with the inside of the valve body through the rectangular hole, the rectangular hole is positioned at the upper part of the second cavity, the filter screen is obliquely arranged in the valve body and is provided with a high end part and a low end part, the second cavity and the low end part of the filter screen are positioned at the same side, the height of a horizontal plane at which the lower end of the rectangular hole is slightly higher than that at the low end part, the second cavity is used for collecting impurities which are not filtered, a plurality of third through holes are formed in the filter screen, at least one fourth through hole is, all be connected with first pipeline between every fourth through-hole lower extreme and the water jet equipment, water jet equipment can follow the first cavity inner chamber and absorb water and spout from fourth through-hole upper end through first pipeline, the valve body has water inlet and delivery port, the water inlet is located the filter screen upside, the delivery port is located the filter screen downside, unfiltered water enters into inside the valve body from the water inlet, the impurity that diameter size is less than third through-hole diameter size can pass through the filter screen, flow from the delivery port, the impurity that diameter size is greater than third through-hole diameter size can not pass through the filter screen, can follow the second through-hole in spun rivers pass through the rectangular hole and enter into the second cavity inner chamber.

Further, water jet equipment includes suction pump and connection structure, the suction pump is installed on the diapire in first cavity, connection structure has the water storage chamber, fifth through-hole has been seted up to connection structure one end, the delivery port of suction pump is connected with the second pipeline, the one end that the suction pump delivery port was kept away from to the second pipeline is connected on the fifth through-hole, a plurality of sixth through-holes have been seted up to the connection structure other end, the one end that the fourth through-hole was kept away from to first pipeline is connected on the sixth through-hole, fifth through-hole and fourth through-hole all are linked together with the water storage chamber.

Furthermore, a first through hole is formed in the inner wall of the valve body, and the connecting structure is connected to the first through hole in an interference mode.

Furthermore, the first pipeline and the second pipeline are both soft pipes.

Further, the second cavity includes second cavity body and end cover, and the connection can be dismantled at the lower extreme of second cavity body to the end cover.

The invention has the following beneficial effects:

1. the invention provides a new technical idea, namely, impurities with large diameter are not close to the filtering holes, so that blockage is prevented.

2. The third through hole and the fourth through hole are arranged on the filter screen, the third through hole is a filter hole, the fourth through hole is a water spraying hole, the fourth through hole is arranged around the third through hole, impurities with large diameter can be impacted by water sprayed out of the fourth through hole, so that the impurities are far away from the third through hole, and the impurities with large diameter are prevented from being blocked in the third through hole due to water pressure, so that the third through hole is blocked.

3. According to the invention, the filter screen is obliquely arranged, the second cavity is arranged on one side of the lower end part of the filter screen and used for collecting impurities, the filter screen is obliquely arranged, the direction of water flow sprayed by the fourth through hole is also oblique and downward, and forces generated by the water flows in the two directions are superposed to force the impurities to move to the lower end part of the filter screen and finally move to the inner cavity of the second cavity to be collected for centralized treatment, so that the situation that the impurities are always positioned on the upper side of the filter screen for a long time and a pipeline is blocked is avoided.

4. The water pump is used for pumping water, so that the thrust generated by the sprayed water can push impurities, and the impurities are prevented from being blocked in the third through hole, namely the filtering hole, due to the pressure of the water in the valve body.

5. The end cover is arranged at the bottom end of the second cavity, and collected impurities can be conveniently removed from the inner cavity of the second cavity by opening the end cover.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the connection structure of the present invention;

FIG. 3 is a schematic view of a filter screen according to the present invention;

fig. 4 is a schematic view showing the structure of the impurity and the water flowing direction in the valve according to the present invention.

The reference numbers in the figures illustrate:

1. a valve body; 2. a water spraying device; 3. a filter screen; 4. a first conduit; 11. a first cavity; 12. a second cavity; 13. a first through hole; 14. a rectangular hole; 15. a second through hole; 16. a water inlet; 17. a water outlet; 21. a water pump; 22. a connecting structure; 31. a high end portion; 32. a lower end portion; 33. a third through hole; 34. a fourth via hole; 121. a second cavity body; 122. an end cap; 221. a water storage cavity; 222. a fifth through hole; 223. and a sixth through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the anti-clogging environmental-friendly filter valve comprises a valve body 1, a water spraying device 2 and a filter screen 3, wherein a first cavity 11 and a second cavity 12 are arranged on the outer wall of the valve body 1, a rectangular hole 14 and a second through hole 15 are arranged on the inner wall of the valve body 1, the inner cavity of the first cavity 11 is communicated with the inside of the valve body 1 through the second through hole 15, the inner cavity of the second cavity 12 is communicated with the inside of the valve body 1 through the rectangular hole 14, the rectangular hole 14 is positioned at the upper part of the second cavity 12, the filter screen 3 is obliquely arranged inside the valve body 1, the filter screen 3 is provided with a high end part 31 and a low end part 32, the second cavity 12 and the low end part 32 of the filter screen 3 are positioned at the same side, the horizontal plane height of the lower end of the rectangular hole 14 is slightly higher than that of the low end part 32, the second cavity 12 is used for collecting, at least one fourth through hole 34 is arranged around one third through hole 33, the aperture size of the fourth through hole 34 is smaller than that of the third through hole 33, the water spraying device 2 is arranged in the first cavity 11, a first pipeline 4 is connected between the lower end of each fourth through hole 34 and the water spraying device 2, the water spraying device 2 can suck water from the inner cavity of the first cavity 11 and spray out from the upper end of the fourth through hole 34 through the first pipeline 4, the valve body 1 is provided with a water inlet 16 and a water outlet 17, the water inlet 16 is positioned on the upper side of the filter screen 3, and the water outlet 17 is positioned on the lower side of the filter screen 3.

Unfiltered water enters the valve body 1 from the water inlet 16, impurities with the diameter size smaller than that of the third through hole 33 can flow out of the water outlet 17 through the filter screen 3, impurities with the diameter size larger than that of the third through hole 33 cannot pass through the filter screen 3, and can enter the inner cavity of the second cavity 12 through the rectangular hole 14 along with water flow sprayed from the fourth through hole 34.

The water spraying device 2 comprises a water pump 21 and a connecting structure 22, the water pump 21 is installed on the inner bottom wall of the first cavity 11, the connecting structure 22 is provided with a water storage cavity 221, one end of the connecting structure 22 is provided with a fifth through hole 222, the water outlet of the water pump 21 is connected with a second pipeline, one end of the second pipeline, which is far away from the water outlet of the water pump 21, is connected onto the fifth through hole 222, the other end of the connecting structure 22 is provided with a plurality of sixth through holes 223, one end of the first pipeline 4, which is far away from the fourth through hole 34, is connected onto the sixth through hole 223, the fifth through hole 222 and the fourth through hole 34 are both communicated with the water storage cavity 221, the water storage cavity 221 is used for enlarging the area of the water outlet hole, so that the area of the water outlet holes is enlarged, the water outlet hole is the sixth through hole 223, the first pipeline 4 is connected onto the sixth through hole 223, the connecting structure 22 can be, further, the water pump 21 can control the plurality of fourth through holes 34 to spray water.

Still seted up first through-hole 13 on the 1 inner wall of valve body, connection structure 22 interference is connected on first through-hole 13, fastening connection structure 22 on first through-hole 13, prevent that connection structure 22 from being impulsive by the rivers in the valve body 1, and it is not hard up to lead to the tie point on the connection structure 22 both ends, second through-hole 15 is used for communicateing inside first cavity 11 inner chamber and the valve body 1, water through filter screen 3 can enter into first cavity 11 inner chamber through second through-hole 15, be full of first cavity 11 inner chamber, thereby suction pump 21 draws water in second cavity 11.

The first pipeline 4 and the second pipeline are both soft pipes, so that connection is convenient, and the soft pipes are good in plasticity and not prone to cracking.

The second cavity 12 comprises a second cavity body 121 and an end cover 122, the end cover 122 is detachably connected to the lower end of the second cavity body 121, impurities which cannot be filtered enter the second cavity 12 due to the pressure of water in the valve body 1 and the pressure of water sprayed from the fourth through hole 34, the end cover 122 is opened, and the impurities are cleaned.

Fig. 4 is a schematic diagram of the flow direction of impurity water in the valve body 11, a large arrow is a schematic diagram of the flow direction of main water in the valve body 11, a small arrow is a schematic diagram of the flow direction of water in the fourth through hole 34, a small circle is a schematic diagram of the flow direction of small magazines, and a large ellipse is a schematic diagram of the flow direction of large impurities.

The working principle is as follows: water containing impurities enters the valve body 1 from the water inlet 16, impurities with the diameter size smaller than that of the third through hole 33 (filtering hole) can pass through the third through hole 33 and then go out from the water outlet 17, when the impurities with the diameter size larger than that of the third through hole 33 enter the third through hole 33 under the action of water pressure, the water pump 21 pumps water from the first cavity 11, the water is sprayed out from the upper end of the fourth through hole 34 through the connecting structure 22, the water pressure of the water flow sprayed out of the fourth through hole 34 can prevent the impurities from approaching the third through hole 33, the water flow of the fourth through hole 34 is sprayed obliquely, the force generated by the main water flow in the valve body 1 and the force generated by the water sprayed out of the fourth through hole 34 are superposed, the impurities can be forced to move to the lower end portion 32 of the filter screen 3 along the obliquely arranged filter screen 3 and enter the inner cavity of the second cavity 12 through the rectangular hole 14 to be collected, after a period of time, the end cap 122 at the bottom end of the second chamber 12 is opened for cleaning.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent blockking up environmental protection strainer valve which characterized in that: comprises a valve body (1), a water spraying device (2) and a filter screen (3);

a first cavity (11) and a second cavity (12) are arranged on the outer wall of the valve body (1);

the inner wall of the valve body (1) is provided with a rectangular hole (14) and a second through hole (15);

the inner cavity of the first cavity (11) is communicated with the inside of the valve body (1) through a second through hole (15);

the inner cavity of the second cavity (12) is communicated with the inside of the valve body (1) through a rectangular hole (14), and the rectangular hole (14) is positioned at the upper part of the second cavity (12);

the filter screen (3) is obliquely arranged in the valve body (1), and the filter screen (3) is provided with a high end part (31) and a low end part (32);

the second cavity (12) and the lower end part (32) of the filter screen (3) are positioned at the same side, and the height of the horizontal plane at which the lower end of the rectangular hole (14) is positioned is slightly higher than that of the horizontal plane at which the lower end part (32) is positioned;

the second cavity (12) is used for collecting impurities which are not filtered;

the filter screen (3) is provided with a plurality of third through holes (33), at least one fourth through hole (34) is arranged around one third through hole (33), and the aperture size of the fourth through hole (34) is smaller than that of the third through hole (33);

the water spraying device (2) is arranged in the first cavity (11);

a first pipeline (4) is connected between the lower end of each fourth through hole (34) and the water spraying device (2);

the water spraying device (2) can suck water from the inner cavity of the first cavity (11) and spray the water out of the upper end of the fourth through hole (34) through the first pipeline (4);

the valve body (1) is provided with a water inlet (16) and a water outlet (17), the water inlet (16) is positioned on the upper side of the filter screen (3), and the water outlet (17) is positioned on the lower side of the filter screen (3);

unfiltered water enters the valve body (1) from the water inlet (16), impurities with the diameter size smaller than that of the third through hole (33) can flow out of the water outlet (17) through the filter screen (3), impurities with the diameter size larger than that of the third through hole (33) cannot pass through the filter screen (3), and can enter an inner cavity of the second cavity (12) through the rectangular hole (14) along with water flow sprayed from the fourth through hole (34).

2. The anti-clogging environment-friendly filter valve according to claim 1, wherein: water jet equipment (2) include suction pump (21) and connection structure (22), install on diapire in first cavity (11) suction pump (21), connection structure (22) have water storage chamber (221), fifth through-hole (222) have been seted up to connection structure (22) one end, the delivery port of suction pump (21) is connected with the second pipeline, the one end that suction pump (21) delivery port was kept away from to the second pipeline is connected on fifth through-hole (222), a plurality of sixth through-holes (223) have been seted up to connection structure (22) other end, the one end that fourth through-hole (34) were kept away from in first pipeline (4) is connected on sixth through-hole (223), fifth through-hole (222) and fourth through-hole (34) all are linked together with water storage chamber (221).

3. The anti-clogging environment-friendly filter valve according to claim 2, wherein: the inner wall of the valve body (1) is further provided with a first through hole (13), and the connecting structure (22) is connected to the first through hole (13) in an interference mode.

4. The anti-clogging environment-friendly filter valve according to claim 2, wherein: the first pipeline (4) and the second pipeline are both soft pipes.

5. The anti-clogging environment-friendly filter valve according to claim 1, wherein: the second cavity (12) comprises a second cavity body (121) and an end cover (122), and the end cover (122) is detachably connected to the lower end of the second cavity body (121).