Compact full-bore water filter for air valve

Abstract

The utility model provides a compact full-bore water filter for an air valve, and relates to the technical field of water filters. The water filter comprises a shell and an arched filter screen, the arched filter screen is mounted in the shell in an inverted buckling manner; a cleaning opening is formed in the shell wall of the shell; the tail end of the cleaning opening is blocked through a cover plate. According to the water filter, various impurities in water can be more effectively captured and filtered through the inverted arched filter screen, the filtering area of the filter screen is remarkably increased, the response speed of the air valve is remarkably increased, and the working performance of the whole system is optimized; the miniaturization and the light weight of the water filter can be realized, and the occupied space and the construction cost of the valve well are effectively reduced; besides, the arch structure has good mechanical stability and can bear larger fluid pressure and impact force, so that the risk that the filter screen is damaged due to external acting force is reduced, and the safety and reliability of the water filter are further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water filters, in particular to a compact full-diameter water filter for an air valve. Background Art

[0002] It has always been a common practice to install air valves to protect pipelines. In long-distance water pipeline projects, the installation of air valves is crucial to eliminate air pockets and water hammer hazards in pipelines, protect pipelines from negative pressure, and prevent pipeline bursts. However, in actual applications, impurities in the pipeline will interfere with the normal operation of the air valve, block the air valve's air inlet and outlet channels, make it unable to respond to pressure changes in time, reduce the anti-water hammer effect, and endanger the long-term stability of the pipeline system.

[0003] In view of this, the traditional solution is to add a water filter under the air valve to filter impurities in the water flow entering the air valve to ensure that the air valve can always maintain a good working condition. However, the existing water filters are generally large in size and occupy a lot of space, which not only increases the investment cost of the valve well building, but also because the internal filter of the water filter is composed of many small meshes arranged closely, the actual effective flow area when the fluid passes through is reduced, which in turn affects the performance of the air valve during rapid exhaust or suction, reducing the adaptability and safety of the overall water delivery system. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a compact full-diameter water filter for an air valve, which solves the problems of large volume, large occupied space and reduced effective flow area of ​​the air valve water filter.

[0005] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0006] A compact full-bore water filter for an air valve, the water filter comprising: a housing and an arched filter screen;

[0007] The water inlet and the water outlet of the shell are both provided with connecting flanges;

[0008] The arched filter is installed in an inverted manner in the housing;

[0009] The shell wall of the shell is provided with a cleaning port;

[0010] The end of the cleaning port is blocked by a cover plate.

[0011] Preferably, the generatrix of the arched filter screen includes three arcs, the radius of the arcs on both sides is greater than the radius of the arc in the middle, and the three arcs are tangent to each other.

[0012] Preferably, the total filtration area S1 of the arched filter and the filter diameter area S2 satisfy: S1 ≥ S2;

[0013] in,

[0014]

[0015] n is the number of filter holes in the arch filter;

[0016] d is the diameter of the filter hole;

[0017] D is the inner diameter of the housing.

[0018] Preferably, the end of the cleaning port is connected to the cover plate via a flange.

[0019] Preferably, the cleaning port is located below the arched filter screen; and the cleaning port is inclined downward from the head end to the tail end.

[0020] Preferably, a mounting seat is provided on the inner wall of the shell, and a connecting piece corresponding to the mounting seat is provided on the edge of the arched filter, and the connecting piece is connected to the mounting seat by bolts and nuts.

[0021] Preferably, the water filter further comprises: a purge port;

[0022] The head end of the purge port is connected to the inside of the shell and faces the arched filter screen. The end of the purge port is provided with a flexible joint; the flexible joint is used to be connected to the air compressor.

[0023] Preferably, a check valve and a ball valve are provided in the middle section of the purge port.

[0024] The utility model provides a compact full-diameter water filter for an air valve. Compared with the prior art, it has the following beneficial effects:

[0025] In the utility model, the water filter comprises: an outer shell and an arched filter; the arched filter is invertedly installed in the outer shell; the shell wall is provided with a cleaning port; the end of the cleaning port is blocked by a cover plate; the water filter can more effectively capture and filter various impurities in the water through the inverted arched filter, and the filtering area of ​​the filter is significantly improved, ensuring that the fluid can maintain the maximum diameter of the connection part with the air valve when passing through the water filter, significantly improving the response speed of the air valve, and optimizing the working performance of the entire system; and it is conducive to the miniaturization and lightweight of the water filter, effectively reducing space occupancy and valve well construction costs; in addition, the arched structure itself has good mechanical stability, and can withstand greater fluid pressure and impact force, thereby reducing the risk of damage to the filter due to external forces, and further improving the safety and reliability of the water filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 This is an axonometric view of a water filter in an embodiment of the utility model;

[0028] Figure 2 This is a schematic diagram of the internal structure of the water filter in the embodiment of the utility model;

[0029] Figure 3 It is a schematic diagram of the busbar of the arched filter screen in the embodiment of the utility model;

[0030] The reference numerals in the figure are set as: housing 10, connecting flange 11, cleaning port 12, cover plate 13, mounting seat 14, purge port 15, flexible joint 16, check valve 17, ball valve 18, arch filter 20. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] The embodiment of the present application solves the problems of large size, large occupied space and reduced effective flow area of ​​the air valve water filter by providing a compact full-bore water filter for the air valve.

[0033] The technical solution in the embodiment of the present application is to solve the above technical problems, and the overall idea is as follows:

[0034] In an embodiment of the utility model, the water filter comprises: an outer shell and an arched filter; the arched filter is invertedly installed in the outer shell; a cleaning port is provided on the shell wall; the end of the cleaning port is blocked by a cover plate; the water filter can more effectively capture and filter various impurities in the water through the inverted arched filter, and the filtering area of ​​the filter is significantly improved, ensuring that the fluid can maintain the maximum diameter of the connection part with the air valve when passing through the water filter, significantly improving the response speed of the air valve, and optimizing the working performance of the entire system; and it is conducive to the miniaturization and lightweight of the water filter, effectively reducing space occupancy and valve well construction costs; in addition, the arched structure itself has good mechanical stability and can withstand greater fluid pressure and impact force, thereby reducing the risk of damage to the filter due to external forces, and further improving the safety and reliability of the water filter.

[0035] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0036] Example:

[0037] like Figure 1 to Figure 3 As shown, the utility model provides a compact full-diameter water filter for an air valve, the water filter comprising: a housing 10 and an arched filter screen 20;

[0038] The water inlet and the water outlet of the housing 10 are both provided with connecting flanges 11, which facilitate the connection of the water filter with the air valve, pipes or valves, etc. Through the connecting flanges 11, the water filter can achieve effective cooperation with the air valve to ensure the smooth flow of the fluid. This design not only simplifies the installation process, but also improves the stability and reliability of the entire system;

[0039] The arched filter 20 is installed in an inverted manner in the housing 10;

[0040] The shell wall of the housing 10 is provided with a cleaning port 12;

[0041] The end of the cleaning port 12 is blocked by a cover plate 13 .

[0042] The water filter can more effectively capture and filter various impurities in the water through the inverted arched filter 20, and the filtering area of ​​the filter is significantly improved, ensuring that the fluid can maintain the maximum diameter of the connection part with the air valve when passing through the water filter, significantly improving the response speed of the air valve, and optimizing the working performance of the entire system; it is also conducive to the miniaturization and lightweight of the water filter, effectively reducing the space occupation and valve well construction costs; in addition, the arched structure itself has good mechanical stability and can withstand greater fluid pressure and impact force, thereby reducing the risk of damage to the filter due to external forces, and further improving the safety and reliability of the water filter; the setting of the cleaning port 12 facilitates the cleaning of the filter 20. The staff opens the cover 13 and uses a long-handled brush to extend from the cleaning port 12 into the outer casing 10 to clean the arched filter 20, which improves the convenience and efficiency of the filter cleaning work.

[0043] like Figure 3 As shown, the generatrix of the arch filter 20 includes three arcs, the radius of the arcs on both sides is greater than the radius of the arc in the middle, and the three arcs are tangent.

[0044] The larger radius of the arcs on both sides provides the filter with better structural strength and stability; when subjected to fluid pressure and impact, this structure can better maintain its shape and reduce the risk of deformation or damage to the filter.

[0045] The total filtration area S1 of the arched filter 20 and the filter diameter area S2 satisfy: S1 ≥ S2; ensuring that the filter is full diameter;

[0046] in,

[0047]

[0048] n is the number of filtering holes of the arched filter 20;

[0049] d is the diameter of the filter hole;

[0050] D is the inner diameter of the housing 10 .

[0051] like Figure 1 , Figure 2 As shown, the end of the cleaning port 12 is connected to the cover plate 13 via a flange.

[0052] like Figure 1 , Figure 2As shown, the cleaning port 12 is located below the arched filter 20; and the cleaning port 12 is inclined downward from the head end to the tail end, so that when the cleaning operation is performed from the cleaning port 12, the sedimentation area of ​​the arched filter 20 is directly exposed, which greatly reduces the cleaning blind area and is conducive to the long-handled brush extending from the bottom to the top into the outer shell 10 to clean the arched filter 20; and the inclined cleaning port 12 allows a reasonable layout of the water filter under conditions of limited space, helps to maintain the compact size of the water filter, avoids additional space occupation, and improves the environmental adaptability of the water filter.

[0053] like Figure 2 As shown, a mounting seat 14 is provided on the inner wall of the housing 10, and a connecting piece corresponding to the mounting seat 14 is provided on the edge of the arched filter screen 20. The connecting piece and the mounting seat 14 are connected by bolts and nuts, which improves the convenience and accuracy of loading and unloading the arched filter screen 20.

[0054] like Figure 1 , Figure 2 As shown, the water filter further comprises: a purge port 15;

[0055] The head end of the purge port 15 is connected to the interior of the shell 10 and faces the arched filter 20. A flexible joint 16 is provided at the end of the purge port 15. The flexible joint 16 is used to connect with the air compressor. When there is less dirt in the filter, the operator can directly use the mobile air compressor to purge the dirt adhered to the filter through the purge port 15 when the pipeline is full of water, so that the dirt falls off and is carried to the water outlet of the pipeline with the water flow in the main pipeline, thereby realizing convenient cleaning of the filter.

[0056] like Figure 1 , Figure 2 As shown, a check valve 17 and a ball valve 18 are provided in the middle section of the purge port 15;

[0057] The check valve 17 is used to prevent the water in the housing 10 from flowing out from the purge port 15;

[0058] The ball valve 18 remains closed during the non-purging phase to ensure that the water filter is in a completely closed and leak-free state.

[0059] In summary, compared with the prior art, the utility model has the following beneficial effects:

[0060] 1. In the embodiment of the utility model, the water filter comprises: an outer shell and an arched filter; the arched filter is invertedly installed in the outer shell; the shell wall is provided with a cleaning port; the end of the cleaning port is blocked by a cover plate; the water filter can more effectively capture and filter various impurities in the water through the inverted arched filter, and the filtering area of ​​the filter is significantly improved, ensuring that the fluid can maintain the maximum diameter of the connection part with the air valve when passing through the water filter, significantly improving the response speed of the air valve, and optimizing the working performance of the entire system; and it is conducive to the miniaturization and lightweight of the water filter, effectively reducing the space occupation and valve well construction cost; in addition, the arched structure itself has good mechanical stability, can withstand greater fluid pressure and impact force, thereby reducing the risk of damage to the filter due to external forces, and further improving the safety and reliability of the water filter.

[0061] 2. In the embodiment of the utility model, the cleaning port is provided to facilitate the cleaning of the filter. The staff can open the cover and use a long-handled brush to reach into the shell from the cleaning port to clean the arched filter, thereby improving the convenience and efficiency of the filter cleaning work.

[0062] 3. In the embodiment of the utility model, the busbar of the arched filter includes three arc sections, the arc radius on both sides is larger than the arc radius in the middle, and the three arc sections are tangent to each other; the arc radius on both sides is larger, which provides better structural strength and stability for the filter; when subjected to fluid pressure and impact, this structure can better maintain its shape and reduce the risk of deformation or damage of the filter.

[0063] 4. In the embodiment of the utility model, the cleaning port is located below the arched filter; and the cleaning port is inclined downward from the head end to the tail end, so that when the cleaning operation is performed from the cleaning port, the deposition area of ​​the arched filter can be directly exposed, which greatly reduces the cleaning blind area and is conducive to the long-handled brush extending from the bottom to the top into the outer shell to clean the arched filter; and the inclined cleaning port allows a reasonable layout of the water filter under conditions of limited space, helps to maintain the compact size of the water filter, avoids additional space occupation, and improves the environmental adaptability of the water filter.

[0064] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0065] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A compact full-bore water filter for an air valve, characterized in that: The water filter comprises: a housing (10) and an arched filter screen (20); The water inlet and the water outlet of the housing (10) are both provided with connecting flanges (11); The arched filter (20) is installed in an inverted manner in the housing (10); The shell wall of the shell (10) is provided with a cleaning port (12); The end of the cleaning port (12) is blocked by a cover plate (13).

2. The compact full-bore water filter for an air valve according to claim 1, characterized in that: The generatrix of the arched filter (20) comprises three arc sections, the radius of the arc sections on both sides is greater than the radius of the arc section in the middle, and the three arc sections are tangent to each other.

3. The compact full-bore water filter for an air valve according to claim 1, characterized in that: The total filtering area S1 of the arched filter (20) and the filter diameter area S2 satisfy: S1 ≥ S2; in, n is the number of filtering holes of the arched filter (20); d is the diameter of the filter hole; D is the inner diameter of the housing (10).

4. The compact full-bore water filter for an air valve according to claim 1, characterized in that: The end of the cleaning port (12) is connected to the cover plate (13) via a flange.

5. The compact full-bore water filter for an air valve according to claim 1, characterized in that: The cleaning port (12) is located below the arched filter screen (20); and the cleaning port (12) is inclined downward from the head end to the tail end.

6. The compact full-bore water filter for an air valve according to claim 1, characterized in that: The inner wall of the housing (10) is provided with a mounting seat (14), and the edge of the arched filter (20) is provided with a connecting piece corresponding to the mounting seat (14), and the connecting piece and the mounting seat (14) are connected by bolts and nuts.

7. The compact full-bore water filter for an air valve according to claim 1, characterized in that: The water filter further comprises: a purge port (15); The head end of the purge port (15) is connected to the interior of the housing (10) and faces the arched filter (20), and the end of the purge port (15) is provided with a flexible joint (16); the flexible joint (16) is used to be connected to the air compressor.

8. The compact full-bore water filter for an air valve according to claim 7, characterized in that: A check valve (17) and a ball valve (18) are provided in the middle section of the purge port (15).

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