CN215372817U

CN215372817U - Ventilation filter valve

Info

Publication number: CN215372817U
Application number: CN202120772835.4U
Authority: CN
Inventors: 孙嘉欣; 张晓茹
Original assignee: Jialihengxing Beijing Technology Co ltd
Current assignee: Jialihengxing Beijing Technology Co ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-12-31
Anticipated expiration: 2031-04-15

Abstract

The utility model discloses a ventilation filter valve, which comprises a rain-proof cap and a filter valve main body, wherein a first ventilation channel and a second ventilation channel are arranged in the filter valve main body; the ventilation filter valve has the advantages of large ventilation quantity, good ventilation and heat dissipation effects, good filtering effect, good waterproofness, integrated injection molding of the filter valve main body, convenience in disassembly and assembly, suitability for ventilation and heat dissipation of mechanical equipment and plants and wide application range.

Description

Ventilation filter valve

Technical Field

The utility model belongs to the technical field of ventilation and environmental protection, and particularly relates to a ventilation filter valve with heat dissipation and dust prevention.

Background

In the existing ventilation filter device, a large shutter is generally installed for heat dissipation, the layout is poor, and the device has no functions of filtration, water resistance and dust resistance, and cannot be installed and used in small-sized equipment. Among the prior art, the utility model patent of grant bulletin No. CN202432042U discloses a fire-retardant, explosion-proof, waterproof and dustproof breather valve, including the breather valve main part, breather valve lid and coupling nut, wherein inside top and the bottom that runs through the breather valve main part of being provided with of breather valve main part are used for leading away the circulation passageway of air current, and breather valve lid lock is on the top of breather valve main part, and the bottom in the breather valve main part is connected to the nut, is provided with on the inside circulation passageway of breather valve main part to be used for waterproof dirt-proof ventilated membrane, still is provided with on the inside circulation passageway of breather valve main part to be used for the explosion-proof micropore flame arrester of back-retardant. Among this prior art, there is the gas flow little, can not carry out effectual ventilation cooling, and dustproof filter effect is relatively poor, and the rainproof nature is relatively poor, dismantles trouble scheduling problem.

Disclosure of Invention

In order to solve the problems in the background art, the utility model provides a ventilation filter valve, which comprises a rain-proof cap and a filter valve main body, wherein a first ventilation channel and a second ventilation channel are formed in the filter valve main body, a ventilation ring is arranged on the filter valve main body, a ventilation groove is formed in the periphery of the ventilation ring, the inner periphery of the rain-proof cap is buckled on the periphery of the ventilation ring in a clamping mode and forms a ventilation hole with the ventilation groove, and the ventilation hole, the first ventilation channel and the second ventilation channel are sequentially communicated to form a circulating filtering air channel.

Preferably, a partition plate is arranged between the first air channel and the second air channel, a plurality of air vent holes are formed in the partition plate, and the first air channel is communicated with the second air channel through the air vent holes.

In any of the above schemes, preferably, dustproof cotton is arranged in the first air duct.

In any of the above aspects, it is preferable that the axial radius of the bottom end of the first air path becomes gradually larger as it gets closer to the top end.

In any of the above schemes, preferably, an inclined plane is arranged below the ventilation ring on the filter valve main body.

In any of the above schemes, preferably, a sealing ring is arranged below the inclined plane on the filter valve main body.

In any of the above aspects, it is preferable that the outer circumferential side surface of the ventilation ring is provided with a stepped structure.

In any of the above schemes, preferably, a nut is arranged below the ventilation ring on the filter valve main body, and the nut is in threaded connection with the filter valve main body.

In any of the above schemes, preferably, the side section of the rain hat is provided with a step-shaped slope structure.

In any of the above schemes, preferably, a groove is formed in the filter valve body above the ventilation ring.

Compared with the prior art, the utility model has the advantages and beneficial effects that:

1. gaseous bottom from rain-proof cap gets into, thereby the inside circulation of rethread rain-proof cap forms the spiral gaseous, has realized dustproof blockking in the first ventiduct of gaseous flow direction formation, and the air passes through the loop filter wind channel, and the gas flow volume is big, and the circulation is fast, and ventilation cooling effect is better, is equipped with dustproof cotton in the first ventiduct, has increased and has filtered dirt-proof effect, and the filter effect is better.

2. The top of the ventilation filter valve is provided with the waterproof cap, the side surface of the waterproof cap is in a step-type inclination and is similar to a mushroom shape, rainwater can flow conveniently, the ventilation hole is formed in the side surface of the ventilation valve in the prior art, the ventilation hole is formed in the bottom of the rainproof cap, the better rainproof effect is achieved, when the ventilation valve is horizontally installed, the groove above the ventilation ring and the inclined surface below the ventilation ring can play a role in drainage and diversion, the waterproof and dustproof effects can still be achieved, and therefore the ventilation filter valve can be suitable for installation positions in different modes.

3. The filter valve main part is formed integrally through injection molding, the manufacturing is convenient, materials are saved, the rain-proof cap is buckled on the ventilation ring, the filter valve is small, exquisite and flexible, convenient to disassemble and assemble, suitable for ventilation and heat dissipation of mechanical equipment, plants and the like, and wide in application range.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of a vent filter valve according to the present invention;

FIG. 2 is a front view of the vent filter valve of FIG. 1 in accordance with the present invention;

FIG. 3 is a cross-sectional view of the vent filter valve of FIG. 2 in accordance with the present invention;

FIG. 4 is a bottom view of the vent filter valve of FIG. 2 in accordance with the present invention;

the figures are labeled as follows:

1-a filter valve main body, 2-a rain-proof cap, 3-a first ventilation channel, 4-a second ventilation channel, 5-a ventilation ring, 6-a ventilation hole, 7-an inclined plane, 8-a sealing ring, 9-a groove, 10-dustproof cotton and 11-a ventilation hole.

Detailed Description

For a further understanding of the present invention, reference will now be made in detail to the following examples. As shown in fig. 1-4, in accordance with a preferred embodiment of a vent filter valve of the present invention,

including rain-proof cap 2 and filter valve main part 1, first ventiduct 3 and second ventiduct 4 have been seted up in the filter valve main part 1, be equipped with ventilating ring 5 on the filter valve main part 1, the draft groove has been seted up to ventilating ring 5's periphery, the interior circumference buckle of rain-proof cap 2 is in on ventilating ring 5's the periphery, and with the draft groove forms ventilation hole 6, first ventiduct 3 and second ventiduct 4 communicate in proper order to form the circulation and filter the wind channel.

Gaseous bottom from rain-proof cap 2 gets into, and the inside circulation of rethread rain-proof cap 2 is to first ventiduct 3 in, thereby it is gaseous to have changed gaseous flow direction and form the spiral, realized dustproof blockking, ventilation hole 6 establishes the side at the ventilation valve among the prior art, ventilation hole 6 in this embodiment establishes and has better rain-proof effect in the bottom of rain-proof cap 2, and the air passes through the loop filter wind channel, and the gas flow volume is big, and circulation speed is fast, and the ventilation cooling effect is better.

Furthermore, a partition plate is arranged between the first air duct 3 and the second air duct 4, a plurality of air vent holes 11 are arranged on the partition plate, and the first air duct 3 is communicated with the second air duct 4 through the air vent holes 11. Through the setting of above structure, the scavenge port 11 on the baffle can be favorable to ventilation, and the baffle can block partly dust equally and get into, plays the filtering action.

Furthermore, dustproof cotton 10 is arranged in the first air duct 3, and the dustproof cotton 10 can filter more dust, so that the filtering effect is better.

Further, the axle radius of 3 bottoms in first ventiduct is along with being closer and grow gradually from the top, through the setting of above structure, has not only increased ventilation effect, can also conveniently put into filtering material such as filter pulp.

Furthermore, the upper portion of the filter valve main body 1 is located below the ventilation ring 5, an inclined plane 7 is arranged below the ventilation ring, and when the filter valve main body 1 is installed and used in the horizontal direction, the inclined plane 7 can play a certain flow guiding role on rainwater, so that the rainproof effect is enhanced.

Further, be located on the filter valve main part 1 the below of inclined plane 7 is equipped with sealing washer 8, and when will ventilate the filter valve and install on equipment shell, the below and the equipment shell laminating of inclined plane 7, sealing washer 8 can strengthen sealed dustproof effect.

Further, the outer circumference side of ventilation ring 5 establishes to cascaded structure, through cascaded structure setting, when the vertical installation of ventilation filter valve, when rainwater flows to rain-proof cap 2 outward flange, the rainwater can directly be followed rain-proof cap 2's edge and dripped, has avoided rainwater and ventilation ring 5 to contact, has played better rain-proof effect.

Furthermore, a nut is arranged below the ventilation ring 5 on the filter valve main body 1, and the nut is in threaded connection with the filter valve main body 1.

Furthermore, the lateral section of the rain hat 2 is designed to be a step-type slope structure, so that rainwater can quickly fall off along the rain hat 2, and the rain-proof effect is better.

Furthermore, the filter valve main body 1 is located a groove 9 is formed above the ventilation ring 5, when the ventilation filter valve is horizontally installed, part of rainwater can enter through the ventilation holes 6, and the structure of the groove 9 plays a role in guiding the rainwater, so that the rainwater can be guided and discharged. The ventilation filter valve of this embodiment uses the preparation of polymer green materials, can be high temperature resistant cold resistance, and the filter valve main part is through moulding plastics integrated into one piece, and it is convenient to make, save material, and rain-proof cap lock is on the ring that ventilates, small and exquisite flexibility, easy dismounting, applicable in mechanical equipment, ventilation cooling such as factory building, application scope is wide.

The installation process and the operating principle of the ventilation filter valve of the embodiment are as follows: insert the through-hole of mechanical equipment shell or factory building wall with the filter valve that ventilates, the bottom of filter valve main part is exposed from mechanical equipment's shell another side, twist the nut from the bottom of filter valve main part, make the filter valve fix on the mechanical equipment shell, for maintaining the inside and outside atmospheric pressure balance of mechanical equipment this moment, the ventilation hole can be passed through to external air current, then through first ventiduct, the dust in the air current is filtered to the dustproof cotton in the first ventiduct, the inside that mechanical equipment was entered into to the rethread second passageway, accomplish the air exchange, carry out effectual ventilation and heat dissipation.

It will be understood by those skilled in the art that the vent filter valve of the present invention includes any combination of the summary and detailed description of the utility model described above in connection with the accompanying drawings, and the various aspects of the combination are not described in detail and are not described for the sake of brevity. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A vent strainer valve characterized by: including rain-proof cap and filter valve main part, first ventiduct and second ventiduct have been seted up in the filter valve main part, be equipped with the ventilation ring in the filter valve main part, the ventilation groove has been seted up to the periphery of ventilation ring, the interior circumference buckle of rain-proof cap is in on the periphery of ventilation ring, and with the ventilation groove forms the ventilation hole, first ventiduct and second ventiduct communicate in proper order to form the circulation and filter the wind channel.

2. A vent filter valve according to claim 1, wherein: a partition plate is arranged between the first air channel and the second air channel, a plurality of air holes are formed in the partition plate, and the first air channel is communicated with the second air channel through the air holes.

3. A vent filter valve according to claim 1, wherein: dustproof cotton is arranged in the first air channel.

4. A vent filter valve as defined in claim 1 or 3 wherein: the shaft radius of the bottom end of the first air duct becomes gradually larger as the distance from the top end becomes closer.

5. A vent filter valve according to claim 1, wherein: the filter valve main body is positioned below the ventilation ring and is provided with an inclined plane.

6. A vent filter valve according to claim 5, wherein: and a sealing ring is arranged below the inclined plane on the filter valve main body.

7. A vent filter valve according to claim 1, wherein: the outer circumferential side of the ventilation ring is of a stepped structure.

8. A vent filter valve according to claim 1, wherein: the filter valve main part is located the below of ventilation ring is equipped with the nut, the nut with filter valve main part threaded connection.

9. A vent filter valve according to claim 1, wherein: the lateral section of the rain hat is designed into a step type slope surface structure.

10. A vent filter valve according to claim 1, wherein: a groove is formed in the filter valve main body and located above the ventilation ring.