CN219159678U

CN219159678U - Exhaust valve with air filtering function

Info

Publication number: CN219159678U
Application number: CN202320143418.2U
Authority: CN
Inventors: 李荣海; 李义福; 于子凡; 于文强
Original assignee: Weifang Yingdatong Water Technology Co ltd
Current assignee: Weifang Yingdatong Water Technology Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-06-09
Anticipated expiration: 2033-02-07

Abstract

The utility model belongs to the technical field of exhaust valves, and particularly relates to an exhaust valve with an air filtering function, which comprises a valve body shell, a threaded connector, a ball float valve and an exhaust nozzle, wherein a filtering mechanism is arranged outside the exhaust nozzle, the filtering mechanism comprises a filtering shell, a tubular filter element and a filtering cover, the filtering cover is externally provided with a threaded sleeve, the filtering cover is fixedly connected with the filtering shell through the threaded sleeve, a filtering cover groove is downwards arranged on the filtering cover, and a plurality of exhaust holes are formed in the groove wall of the filtering cover groove. The exhaust valve with the air filtering function provided by the utility model ensures that water in the drinking water pipeline is not polluted by air when the water level is lowered and the exhaust nozzle is opened, and ensures the cleanness of the drinking water pipeline, thereby ensuring the quality of drinking water; the tubular filter element can be replaced after being used for a period of time, so that the filtering effect is ensured, the sanitation of drinking water is further ensured, the whole filtering mechanism is not required to be replaced, and the cost is saved.

Description

Exhaust valve with air filtering function

Technical Field

The utility model belongs to the technical field of exhaust valves, and particularly relates to an exhaust valve with an air filtering function.

Background

The exhaust valve is widely used in the construction process of the water drinking pipeline in a community, the exhaust valve is generally arranged at the radial top of the water drinking pipeline, and has two functions, namely, the exhaust valve is used for exhausting air in the water drinking pipeline when the water drinking pipeline supplies water so as to avoid unsmooth water supply, and the exhaust valve is used for timely supplementing air when the water drinking pipeline supplies water to avoid damage caused by negative pressure generated by the water drinking pipeline.

The existing exhaust valve generally comprises a valve body shell, a float valve and an exhaust nozzle as shown in fig. 1, wherein in the use process of the exhaust valve, negative pressure is generated in a drinking water pipeline, when the water surface in the valve cavity is lowered, the exhaust nozzle is opened, air can enter the drinking water pipeline through the exhaust nozzle because the external air pressure is higher than the pressure in the drinking water pipeline, and dust is attached to the air and enters the drinking water pipeline along with the air to pollute the drinking water pipeline, so that the quality of drinking water is affected.

Disclosure of Invention

The utility model aims to provide an exhaust valve with an air filtering function, which prevents dust in air from entering a drinking water pipeline to pollute drinking water, so as to solve the technical problems in the background art.

In order to achieve the technical purpose, the technical scheme of the utility model comprises the following steps:

the utility model provides a take air filtering function's discharge valve, includes the valve body shell, the bottom of valve body shell is equipped with the screwed joint, be equipped with the ball cock in the valve body shell, the top of ball cock is equipped with the thimble, the top of valve body shell is equipped with the exhaust nozzle, the exhaust nozzle is equipped with the through-hole, the top of thimble can insert in the through-hole and with the shutoff of through-hole, the exhaust nozzle overcoat is equipped with filtering mechanism, filtering mechanism includes filtering shell, filtering shell's bottom with the bottom fixed connection of exhaust nozzle, filtering shell's bottom upwards is equipped with the installation passageway, the installation passageway with exhaust nozzle threaded connection, be equipped with tubular filter core in the filtering shell, tubular filter core's bottom surface with filtering shell's bottom surface offsets, the exhaust nozzle stretches into in the tubular filter core;

the top of filtering the casing is equipped with the filtration lid, the top surface of tubular filter core with the bottom of filtering the lid offsets, it is equipped with the screw thread sleeve to filter the lid outward, the filtration lid passes through the screw thread sleeve with filtering casing fixed connection, it is equipped with the filtration lid recess downwards to filter the lid, be equipped with a plurality of exhaust holes on the cell wall of filtration lid recess.

As an improvement, the top end of the threaded sleeve is internally provided with a sleeve flange, the sleeve flange is propped against the top surface of the filter cover, the inner diameter of the sleeve flange is smaller than the outer diameter of the top surface of the filter cover, and the filter shell is in threaded connection with the threaded sleeve.

As a further improvement, the inner diameter of the filter housing gradually increases from the bottom to the top, and a cavity is formed between the outer wall of the tubular filter element and the inner wall of the filter housing, and the cavity is communicated with the exhaust hole.

As a further improvement, the bottom surface outer diameter of the filter cap groove is larger than the top surface inner diameter of the tubular filter element.

As a further improvement, a limiting column is arranged downwards on the bottom surface of the groove of the filter cover, and the limiting column extends into the tubular filter element.

As a further improvement, the tubular filter element is a PP cotton filter element.

By adopting the technical scheme, the utility model has the beneficial effects that:

according to the exhaust valve with the air filtering function, the filtering mechanism is arranged, when the water level of the drinking water pipe is reduced and the air outlet nozzle is opened, external air firstly enters the filtering mechanism, dust in the air is filtered out by the tubular filter element of the filtering mechanism and then enters the drinking water pipe through the air outlet nozzle, and in the whole process, the dust in the air is filtered by the filtering mechanism and cannot enter the drinking water pipe, so that when the water level is reduced and the air outlet nozzle is opened, water in the drinking water pipe is not polluted by the air, the cleanness of the drinking water pipe is ensured, and the quality of drinking water is ensured; the tubular filter element can be replaced after being used for a period of time, so that the filtering effect is ensured, the sanitation of drinking water is further ensured, the whole filtering mechanism is not required to be replaced, and the cost is saved.

Drawings

FIG. 1 is a schematic view of the overall construction of a prior art air valve;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the overall structure of the present utility model;

FIG. 4 is a schematic structural view of a valve body housing;

FIG. 5 is a schematic view of the structure of the filtering mechanism;

FIG. 6 is a cross-sectional view of the filter mechanism;

FIG. 7 is a schematic view of the structure of the filter cap;

wherein: 1-a valve body housing; 2-a float valve; 21-thimble; 3-threaded interface; 4-an exhaust nozzle; 5-a filtering mechanism; 51-a filter housing; 52-a tubular filter element; 53-a filter cap; 531-filter cap groove; 532-vent holes; 533-limit column; 54-threaded sleeve; 541-sleeve flange.

Detailed Description

The utility model will be further described with reference to the following detailed description and the accompanying drawings. Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.

As shown in fig. 2-7, an exhaust valve with an air filtering function comprises a valve body shell 1, wherein a threaded connector 3 is arranged at the bottom of the valve body shell 1, a ball float valve 2 is arranged in the valve body shell 1, a thimble 21 is arranged at the top of the ball float valve 2, an exhaust nozzle 4 is arranged at the top of the valve body shell 1, a through hole is arranged on the exhaust nozzle 4, the top of the thimble 21 can be inserted into the through hole and plugs the through hole, the exhaust valve is generally arranged at the highest point of a drinking water pipeline, when gas exists in the drinking water pipeline, the gas can be gathered at the highest point of the drinking water pipeline, the gas enters the valve body shell 1 and gathers at the upper part of the valve body shell 1, the pressure gradually rises along with the increase of the gas in the valve, the water level drops, the thimble 21 on the ball float valve 2 moves downwards along with the ball float valve 2, the exhaust nozzle 4 is discharged, the pressure in the valve gradually decreases, the water level rises along with the ball float valve 2, the thimble 21 on the ball float valve 2 rises along with the ball float valve 2, and the exhaust nozzle 4 is closed, and the gas in the water pipeline is discharged.

When negative pressure is generated in the drinking water pipeline, the water level in the valve body shell 1 is lowered, the ball float valve 2 moves downwards along with the water level, the thimble 21 on the ball float valve 2 moves downwards along with the water level, the exhaust nozzle 4 is opened, and the outside air pressure is higher than the pressure in the drinking water pipeline at the moment, so that air can enter the drinking water pipeline through the exhaust nozzle 4, and the harm of the negative pressure is prevented.

The exhaust nozzle 4 is sleeved with the filter mechanism 5, the filter mechanism 5 comprises a filter shell 51, the bottom of the filter shell 51 is fixedly connected with the bottom of the exhaust nozzle 4, an installation channel is arranged upwards at the bottom of the filter shell 51 and is in threaded connection with the exhaust nozzle 4, the bottom of the filter shell 51 abuts against the top of the valve body shell 1, a tubular filter element 52 is arranged in the filter shell 51, the bottom surface of the tubular filter element 52 abuts against the bottom surface of the filter shell 51, and the exhaust nozzle 4 stretches into the tubular filter element 52.

The top of filtering casing 51 is equipped with filtering cap 53, the top surface of tubular filter core 52 offsets with the bottom of filtering cap 53, filtering cap 53 is equipped with screw thread sleeve 54 outward, filtering cap 53 passes through screw thread sleeve 54 and filtering casing 51 fixed connection, filtering cap 53 is equipped with filtering cap recess 531 downwards, be equipped with a plurality of exhaust holes 532 on the cell wall of filtering cap recess 531, screw thread sleeve 54's setting, only need take off screw thread sleeve 52 and filtering cap 53, just can change tubular filter core 52, ensure its filter effect, further guaranteed the health of drinking water, need not change whole filtering mechanism 5, the cost is saved.

The inner diameter of the filter housing 51 becomes gradually larger from the bottom to the top, and a cavity is formed between the outer wall of the tubular filter element 52 and the inner wall of the filter housing 51, and the cavity communicates with the exhaust hole 532.

When negative pressure is generated in the drinking water pipeline and the exhaust nozzle 41 is opened, external air enters the cavity between the inner wall of the filtering shell 51 and the outer wall of the tubular filter element 52 through the exhaust hole 532, dust is filtered by the tubular filter element 52, and finally the air enters the drinking water pipeline through the exhaust nozzle 41, so that the dust in the air is isolated, the pollution of the dust to the drinking water pipeline is avoided, and the quality of drinking water is further ensured.

The top of screw sleeve 54 inwards is equipped with sleeve flange 541, and sleeve flange 541 offsets with the top surface of filtering lid 53, and the internal diameter of sleeve flange 541 is less than the top surface external diameter of filtering lid 53, and the top of filtering casing 51 is equipped with the external screw thread, is equipped with the internal screw thread in the screw sleeve 54, and filtering casing 51 and screw sleeve 51 threaded connection, screw sleeve 54's setting can dismantle the connection with filtering lid 53 and filtering casing 51 for filtering casing 51 and filtering lid 53's dismantlement is more convenient, and it is also more convenient to change tubular filter core 52.

The bottom surface of filtering lid recess 531 is equipped with spacing post 533 downwards, and spacing post 533 stretches into in the tubular filter core 52, has further limited the position of tubular filter core 52, ensures that it can not rock, and then has guaranteed the stability of whole filtering mechanism 5.

The outer diameter of the bottom surface of the filtering cover groove 531 is larger than the inner diameter of the top surface of the tubular filter element 52, so that air can only enter the cavity between the inner wall of the filtering shell 51 and the outer wall of the tubular filter element 52 from the exhaust hole 532, the filtering area of the tubular filter element 52 can be utilized to a greater extent, and dust in the air can be filtered more efficiently.

The tubular filter element 52 is a PP cotton filter element, and the PP cotton filter element is of a multi-layer deep structure, has large dirt holding capacity and can effectively filter dust in air.

The utility model provides an exhaust valve with an air filtering function, which comprises a valve body shell 1, a threaded connector 3, a ball cock 2 and an exhaust nozzle 4, wherein a filtering mechanism 5 is sleeved outside the exhaust nozzle 4, the filtering mechanism 5 comprises a filtering shell 51, a tubular filter element 52, a filtering cover 53 and a threaded sleeve 54, the filtering cover 53 is fixedly connected with the filtering shell 51 through the threaded sleeve 54, a filtering cover groove 531 is formed in the filtering cover 53 downwards, and a plurality of exhaust holes 532 are formed in the wall of the filtering cover groove 531. When the water drinking pipeline is negative in pressure and the water level is lowered, the air in the outside enters the filtering mechanism 5 along the air exhaust hole 532 and is filtered by the tubular filter element 52, and then enters the water drinking pipeline through the air exhaust nozzle 4, and in the whole process, dust in the air is filtered by the filtering mechanism 5 and cannot enter the water drinking pipeline, so that when the water level is lowered and the air exhaust nozzle 4 is opened, the water in the water drinking pipeline is not polluted by the air, the cleanness of the water drinking pipeline is ensured, and the quality of the drinking water is ensured; the tubular filter element 52 can be replaced after being used for a period of time, so that the filtering effect is ensured, the sanitation of drinking water is further ensured, the whole filtering mechanism 5 is not required to be replaced, and the cost is saved.

The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any other corresponding changes and modifications made in accordance with the technical idea of the present utility model shall be included in the scope of the claims of the present utility model.

Claims

1. The exhaust valve with the air filtering function comprises a valve body shell, wherein a threaded interface is arranged at the bottom of the valve body shell, a ball cock is arranged in the valve body shell, a thimble is arranged at the top of the ball cock, an exhaust nozzle is arranged at the top of the valve body shell, a through hole is arranged on the exhaust nozzle, the top of the thimble can be inserted into the through hole and plugs the through hole, and the exhaust valve is characterized in that a filter mechanism is sleeved outside the exhaust nozzle and comprises a filter shell, the bottom of the filter shell is fixedly connected with the bottom of the exhaust nozzle, an installation channel is upwards arranged at the bottom of the filter shell and is in threaded connection with the exhaust nozzle, a tubular filter element is arranged in the filter shell, the bottom surface of the tubular filter element is propped against the bottom surface of the filter shell, and the exhaust nozzle stretches into the tubular filter element;

2. The vent valve with air filtering function according to claim 1, wherein a sleeve flange is inwardly arranged at the top end of the threaded sleeve, the sleeve flange abuts against the top surface of the filtering cover, the inner diameter of the sleeve flange is smaller than the outer diameter of the top surface of the filtering cover, and the filtering shell is in threaded connection with the threaded sleeve.

3. The vent valve with air filtering function according to claim 1, wherein the inner diameter of the filtering housing is gradually increased from the bottom to the top, a cavity is formed between the outer wall of the tubular filter element and the inner wall of the filtering housing, and the cavity is communicated with the vent hole.

4. A vent valve with air filtration function as claimed in claim 3 wherein the bottom surface outer diameter of said filter cap recess is greater than the top surface inner diameter of said tubular filter element.

5. The vent valve with air filtering function according to claim 4, wherein a limiting column is arranged downwards on the bottom surface of the groove of the filtering cover, and the limiting column extends into the tubular filter element.

6. An exhaust valve with air filtering function according to any one of claims 1-5, wherein said tubular filter element is PP cotton filter element.