CN215137614U - Y-shaped filter with check function - Google Patents

Abstract

The utility model provides a take non return Y type filter belongs to filter equipment technical field, including casing, valve gap, filter screen, floater and drain, there is the pan feeding mouth in the left side of casing, and there is the discharge gate on the right side of casing, and the upper end at the casing is installed to the valve gap, and there is the arch inside of casing, and there is the opening in the bellied centre, and the filter screen is installed in the inside of casing and in bellied upper end, and the floater is installed in the filter screen, and the diameter of floater is greater than the open-ended width, has the drain on the casing. The utility model discloses simple structure, installation and easy maintenance, the iron residue of straining that can be effectively filtered prevents that the iron residue from destroying the pipeline.

Description

Y-shaped filter with check function

Technical Field

The utility model belongs to the technical field of filter equipment, a take non return Y type filter is related to.

Background

The Y-filter is an indispensable filtering device for the pipeline system for conveying the medium, and is usually installed at the inlet end of a pressure reducing valve, a pressure relief valve, a level valve or other equipment to remove impurities in the medium so as to protect the normal use of the valve and the equipment. The suitable medium of the Y-shaped filter can be water, oil and gas.

The Y-shaped filter is used as an indispensable high-efficiency filtering device in the purifying device engineering, has great efficacy in the treatment of domestic wastewater and industrial wastewater, enables valuable water resources to be effectively recycled, saves a large amount of water resources, is one of the most effective devices in the reclaimed water recycling engineering compared with other filtering devices, and the water quality treated by the Y-shaped filter not only reaches the discharge standard specified by the state, but also realizes the purposes of recycling and reusing, but the existing Y-shaped filter does not have the non-return function, and the medium can flow back when a pump and a driving motor rotate reversely, thereby influencing the use effect, and the problem needs to be solved by a novel Y-shaped filter with the non-return function.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is a take non return Y type filter belongs to filter equipment technical field, simple structure, installation and easy maintenance, the iron residue of straining that can effectively cross prevents that the iron residue from destroying the pipeline, has the effect of non return medium, the discharge of medium when having prevented pump and driving motor reversal.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a take non return Y type filter, belongs to filter equipment technical field, including casing, valve gap, filter screen, floater and drain, there is the pan feeding mouth in the left side of casing, and there is the discharge gate on the right side of casing, and the upper end at the casing is installed to the valve gap, and there is the arch inside of casing, and there is the opening in bellied centre, and the filter screen is installed in the inside of casing and at bellied upper end, and the floater is installed in the filter screen, and the diameter of floater is greater than the open-ended width, has the drain on the casing.

Furthermore, the shape of the bulge is annular, the inner side surface of the bulge is an inclined plane, and the width of the opening at the upper end of the bulge is larger than that of the opening at the lower end of the bulge.

Furthermore, the filter screen is a barrel-shaped structure with openings at two ends, and the included angle between the filter screen and the horizontal direction is 38-52 degrees.

Furthermore, the material of the filter screen is stainless steel, nickel, brass or nylon.

Furthermore, the surface of the filter screen is provided with a circular sieve mesh, and the mesh number of the filter screen is 10-120 meshes.

Further, the outer surface of the floating ball is covered with rubber.

Furthermore, the sewage draining port is arranged at the lower end of the shell and close to one side of the feeding port.

Compared with the prior art, the utility model has the advantages and positive effect as follows:

1. the utility model discloses simple structure, installation and easy maintenance, the iron residue of straining that can be effectively filtered prevents that the iron residue from destroying the pipeline.

2. The utility model discloses a floater is installed in the filter screen, and the diameter of floater is greater than the open-ended width, and the floater utilizes the filter screen as the slide, slides in the filter screen, guarantees that the floater can not break away from operating position, and under the medium pressure effect that normal direction flows, fluid promotes the floater, reaches the effect of filtering fluid, and when the medium reverse flow, floater and protruding contact are sealed, play the effect of non return medium, discharge of medium when having prevented pump and actuating motor reversal.

3. The utility model discloses a bellied shape is the annular, and bellied medial surface is the inclined plane, and protruding upper end open-ended width is greater than protruding lower extreme open-ended width, and when the filter floater was in the closed condition, floater and inclined plane contact, area of contact was bigger, and sealed effect is better.

4. The utility model discloses a filter screen is both ends open-ended barrel-shaped structure, and filter screen and horizontal direction's contained angle are between 38 ~ 52, and the contained angle is less, and the floater is convenient more to be removed more, and the non return effect is better.

5. The utility model discloses a material of filter screen is stainless steel, nickel, brass or nylon, selects the filter screen of different materials according to the medium that flows through and operational environment's difference, and metal materials such as steel, nickel, brass are fit for the medium that corrosivity is strong, the flow is big, and non-metallic material such as nylon's acid and alkali resistance, corrosion resistance are good, can rinse repeatedly, and economic nature is better.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

FIG. 1 is a schematic cross-sectional view of a closed state of a float ball with a check Y-type filter according to the present invention;

fig. 2 is a schematic view showing the open state of the float ball with the non-return Y-type filter of the present invention.

Reference numerals:

1. a housing; 2. a valve cover; 3. a filter screen; 4. a floating ball; 5. a sewage draining outlet; 11. a feeding port; 12. a discharge port; 13. a protrusion; 14. and (4) opening.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in figures 1 and 2, the utility model relates to a Y-shaped filter with check, which belongs to the technical field of filter equipment and comprises a shell 1, a valve cover 2, a filter screen 3, a floating ball 4 and a sewage outlet 5, a feed inlet 11 is arranged on the left side of the shell 1, a discharge outlet 12 is arranged on the right side of the shell 1, the valve cover 2 is arranged on the upper end of the shell 1, a bulge 13 is arranged inside the shell 1, an opening 14 is arranged in the middle of the bulge 13, the filter screen 3 is arranged inside the shell 1 and on the upper end of the bulge 13, the floating ball 4 is arranged in the filter screen 3, the diameter of the floating ball 4 is larger than the width of the opening 14, the floating ball 4 uses the filter screen 3 as a slide way to slide in the filter screen 3, the floating ball 4 can not be separated from a working position, under the pressure effect of a medium flowing in a normal direction, the fluid pushes the floating ball 4, the effect of filtering the fluid is achieved, when the medium flows reversely, the floating ball 4 is contacted and sealed with the bulge 13, the medium check function is achieved, medium leakage during reverse rotation of the pump and the driving motor is prevented, and the shell 1 is provided with a sewage outlet 5.

Preferably, the shape of the protrusion 13 is annular, the inner side surface of the protrusion 13 is an inclined surface, the width of the opening 14 at the upper end of the protrusion 13 is greater than the width of the opening 14 at the lower end of the protrusion 13, when the filter float ball 4 is in a closed state, the float ball 4 is in contact with the inclined surface, the contact area is larger, and the sealing effect is better.

Preferably, the filter screen 3 is a barrel-shaped structure with openings 14 at two ends, the included angle between the filter screen 3 and the horizontal direction is 38-52 degrees, the smaller the included angle is, the more convenient the floating ball 4 moves, and the better the non-return effect is.

Preferably, the material of filter screen 3 is stainless steel, nickel, brass or nylon, selects different filter screens 3 of material according to the medium that flows through and the difference of operational environment, and the metal material such as steel, nickel, brass is fit for the medium that corrosivity is strong, the flow is big, and the acid and alkali resistance, the corrosion resistance of nonmetal material such as nylon are good, can rinse repeatedly, and economic nature is better.

Preferably, the surface of the filter screen 3 is provided with a circular sieve mesh, the mesh number of the filter screen 3 is 10-120 meshes, the filter screens 3 with different mesh numbers are selected according to the flow and the flow velocity of the medium and the size of impurity particles in the medium, and impurities are filtered on the premise that the medium smoothly flows through the filter screens.

Preferably, the outer surface of the floating ball 4 is covered with rubber, when the floating ball 4 contacts with the bulge 13, soft sealing is formed, and the non-return effect is good.

Preferably, the sewage draining outlet 5 is arranged at the lower end of the shell 1 and close to one side of the feeding port 11, so that iron residues can be cleaned more conveniently.

In the actual working process, the Y-shaped filter is installed on the pipeline, the medium flows into the filter from the feeding port 11 and flows out of the filter from the discharging port 12, the medium generates thrust on the floating ball 4, the floating ball 4 moves by taking the filter screen 3 as a slide under the action of the thrust, the opening 14 is opened, the medium can smoothly pass through the opening, when the medium flows back, the medium moves from the discharging port 12 to the direction of the feeding port 11, and the floating ball 4 is contacted with the bulge 13 under the action of the thrust to form soft sealing and play a role in non-return.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (7)

1. The utility model provides a take non return Y type filter which characterized in that: including casing, valve gap, filter screen, floater and drain, there is the pan feeding mouth the left side of casing, and there is the discharge gate the right side of casing, and the valve gap is installed in the upper end of casing, and there is the arch the inside of casing, and there is the opening in bellied centre, and the filter screen is installed in the inside of casing and in bellied upper end, and the floater is installed in the filter screen, and the diameter of floater is greater than open-ended width, has the drain on the casing.

2. The Y-type filter with check of claim 1, wherein: the shape of the bulge is annular, the inner side surface of the bulge is an inclined plane, and the width of the opening at the upper end of the bulge is larger than that of the opening at the lower end of the bulge.

3. The Y-type filter with check of claim 1, wherein: the filter screen is a barrel-shaped structure with openings at two ends, and the included angle between the filter screen and the horizontal direction is 38-52 degrees.

4. The Y-type filter with check of claim 1, wherein: the filter screen is made of stainless steel, nickel, brass or nylon.

5. The Y-type filter with check of claim 1, wherein: the surface of the filter screen is provided with a circular sieve mesh, and the mesh number of the filter screen is 10-120 meshes.

6. The Y-type filter with check of claim 1, wherein: the outer surface of the floating ball is covered with rubber.

7. The Y-type filter with check of claim 1, wherein: the drain is at the lower extreme of casing and be close to one side of pan feeding mouth.

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