CN219035662U

CN219035662U - Five-prevention flow guide valve

Info

Publication number: CN219035662U
Application number: CN202223526635.4U
Authority: CN
Inventors: 蔡露露
Original assignee: Suzhou Kangwo Electromechanical Co ltd
Current assignee: Suzhou Kangwo Electromechanical Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-05-16
Anticipated expiration: 2032-12-27

Abstract

The utility model relates to the technical field of diversion valves, in particular to a five-prevention diversion valve which comprises an upper shell cover and a lower shell cover, wherein the lower shell cover is arranged at the lower end of the upper shell cover; the flow velocity of air through the air promotes the flow stopping plate upwards to make the tensile balanced telescopic link of flow stopping plate, guaranteed the stationarity when the flow stopping plate moves up, do benefit to the steady opening of flow stopping plate in blast pipe upper end, through the upward movement of pointed cone piece moreover, do benefit to the windage that reduces the flow stopping plate and receive, do benefit to the smoothness when promoting the flow stopping plate and open.

Description

Five-prevention flow guide valve

Technical Field

The utility model relates to the technical field of diversion valves, in particular to a five-prevention diversion valve.

Background

Along with the continuous improvement of people's living standard, in order to promote the air quality in the house, consequently can install exhaust system in the house and exhaust, and five prevent the diversion valve as the important part in the exhaust system, play the effect of opening and close in exhaust system usually, but current five prevent the diversion valve, after the air enters into the blast pipe, outside air easily flows back to the blast pipe in, because outside air can produce the windage to the flow stopping plate, it is smooth enough to lead to the flow stopping plate to open to can influence the exhaust effect, and when the diversion valve is inside to damage, be difficult to maintain, influence the life of diversion valve.

Disclosure of Invention

The utility model provides a five-prevention flow guide valve, which aims to solve the problems that the flow stop plate provided by the background art is not smooth enough to open, so that the exhaust effect is affected, and when the inside of the flow guide valve is damaged, the flow guide valve is difficult to maintain, and the service life of the flow guide valve is affected.

In order to solve the problems in the prior art, the utility model discloses a five-prevention flow guide valve which comprises an upper shell cover and a lower shell cover, wherein the lower shell cover is arranged at the lower end of the upper shell cover:

an upper flange plate is fixed at the lower end of the periphery of the upper shell cover, a lower flange plate is fixed at the upper end of the periphery of the lower shell cover, and the upper flange plate and the lower flange plate are fixed through bolts;

the lower end of the lower shell cover is connected with an annular exhaust net cover, a round supporting plate is fixed at the lower end of the annular exhaust net cover, an exhaust pipe extending upwards into the lower shell cover is fixedly penetrated in the middle of the round supporting plate, and an exhaust assembly is arranged above the supporting plate.

Further, the upper end of the upper shell cover is connected with a semicircular hollow cover.

Further, the exhaust assembly comprises a fixing rod, a balance telescopic rod, a flow stopping plate, a rubber sealing gasket and a pointed cone block, wherein the fixing rod is fixed at the inner upper end of the exhaust pipe, and the balance telescopic rod is fixed at the middle part of the upper end of the fixing rod.

Further, the flow stopping plate is fixed at the upper end of the balance telescopic rod and covers the upper end of the exhaust pipe, the rubber sealing gasket is positioned at the periphery of the balance telescopic rod and embedded at the lower end of the flow stopping plate, and the pointed cone block is connected to the upper end of the flow stopping plate.

Further, the exhaust assembly further comprises a buffer gasket, an annular air outlet cover and an annular flow blocking plate, wherein the buffer gasket is connected to the upper end of the exhaust pipe, and the annular air outlet cover is sleeved on the periphery of the exhaust pipe and is fixed to the lower end of the periphery of the flow blocking plate through bolts.

Further, an exhaust channel is formed between the inner wall of the annular exhaust hood and the outer wall of the exhaust pipe, the annular spoiler is fixedly sleeved on the periphery of the exhaust pipe and positioned at the lower end of the annular exhaust hood, the annular spoiler is positioned above the annular exhaust net cover, and the outer diameter of the annular spoiler gradually becomes smaller upwards.

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

through introducing the blast pipe with the air in, the air can upwards promote the flow stopping plate, thereby make the tensile balanced telescopic link of flow stopping plate, stability when having guaranteed the flow stopping plate and upwards moved, do benefit to the smooth opening of flow stopping plate in the blast pipe upper end, and upwards move through the pointed cone piece, do benefit to the windage that reduces the flow stopping plate and receive, do benefit to the smoothness when promoting the flow stopping plate and open, when the air enters into annular exhaust hood through the opening part of blast pipe upper end, the air can flow to annular exhaust hood lower extreme, owing to set up annular spoiler, the exhaust air can be smoothly discharged the guide valve through annular exhaust screen cover along the cambered surface of annular spoiler, and the outside air that enters into the guide valve through annular exhaust screen cover can be stopped by annular spoiler, the velocity of flow of outside air has been slowed down, thereby make the velocity of air of discharging in the annular exhaust hood be greater than the velocity of air that flows back into the guide valve, the resistance when doing benefit to reduce the guide valve exhaust air, consequently, can be better with the smooth exhaust of air in the guide valve, and with the upper and lower cover and the shell cover and the inside of the shell cover can be avoided and the maintenance structure of the shell cover is carried out smoothly, the inside the guide valve is difficult to the maintenance condition of the inside the shell and the structure is guaranteed.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the overall working structure of the present utility model;

FIG. 3 is a schematic top view of the interior of the exhaust pipe of the present utility model;

fig. 4 is a schematic view of the overall external structure of the present utility model.

In fig. 1-4: the device comprises an upper shell cover 1, a lower shell cover 2, an upper flange plate 3, an exhaust pipe 4, an annular exhaust net cover 5, a circular support plate 6, an annular exhaust cover 7, an annular flow blocking plate 8, a flow blocking plate 9, a support rod 10, a pointed cone block 11, a buffer gasket 12, a rubber sealing gasket 13, a balance telescopic rod 14, a hollow cover 15 and a lower flange plate 16.

Detailed Description

Please refer to fig. 1 to 4:

the five-prevention flow guide valve comprises an upper shell cover 1 and a lower shell cover 2, wherein the lower shell cover 2 is arranged at the lower end of the upper shell cover 1, an annular exhaust net cover 5 is connected to the lower end of the lower shell cover 2, a round supporting plate 6 is fixed at the lower end of the annular exhaust net cover 5, an exhaust pipe 4 extending upwards into the lower shell cover 1 is fixedly arranged in the middle of the round supporting plate 6, an exhaust component is arranged above the supporting plate 6, the exhaust component comprises a fixing rod 10, a balance telescopic rod 14, a flow stop plate 9, a rubber sealing gasket 13 and a cone block 11, the fixing rod 10 is fixed at the upper end in the exhaust pipe 4, the balance telescopic rod 14 is fixed at the middle of the upper end of the fixing rod 10, the flow stop plate 9 is fixed at the upper end of the balance telescopic rod 14 and covers the upper end of the exhaust pipe 4, the rubber sealing gasket 13 is arranged at the periphery of the balance telescopic rod 14 and embedded at the lower end of the flow stop plate 9, and the cone block 11 is connected to the upper end of the flow stop plate 9;

specifically, when exhaust is carried out through the flow guiding valve, through introducing air into the exhaust pipe 4, the flow velocity of the air is combined, the air can push the flow stopping plate 9 upwards after entering the exhaust pipe 4, thereby the flow stopping plate 9 stretches the balance telescopic rod 14 upwards, the stability of the flow stopping plate 9 when moving upwards is guaranteed through the support of the balance telescopic rod 14, smooth opening of the flow stopping plate 9 at the upper end of the exhaust pipe 4 is facilitated, the flow stopping plate 9 can drive the spike cone block 11 to move upwards together when moving upwards, the spike cone block 11 is made of foam materials, and the shape of the combined spike cone block 11 is lighter than that of the plane of the flow stopping plate 9, so that the spike cone block 11 can quickly flush out the air at the upper end, the wind resistance suffered when moving upwards the flow stopping plate 9 is facilitated to be reduced, and the smoothness of the flow stopping plate 9 when opening is facilitated.

The lower end of the lower shell cover 2 is connected with an annular exhaust net cover 5, the lower end of the annular exhaust net cover 5 is fixed with a round supporting plate 6, the middle part of the round supporting plate 6 is fixedly penetrated with an exhaust pipe 4 extending upwards into the lower shell cover 1, an exhaust component is arranged above the supporting plate 6 and comprises a fixing rod 10, a balance telescopic rod 14, a flow stopping plate 9, a rubber sealing gasket 13 and a pointed cone 11, the fixing rod 10 is fixed at the inner upper end of the exhaust pipe 4, the balance telescopic rod 14 is fixed at the middle part of the upper end of the fixing rod 10, the flow stopping plate 9 is fixed at the upper end of the balance telescopic rod 14 and covers the upper end of the exhaust pipe 4, the tip cone block 11 is connected to the upper end of the flow stopping plate 9, the exhaust assembly further comprises a buffer gasket 12, an annular air outlet cover 7 and an annular flow blocking plate 8, the annular air outlet cover 7 is sleeved on the periphery of the exhaust pipe 4 and is fixed to the lower end of the periphery of the flow stopping plate 9 through bolts, an exhaust channel is formed between the inner wall of the annular air outlet cover 7 and the outer wall of the exhaust pipe 4, the annular flow blocking plate 8 is fixedly sleeved on the periphery of the exhaust pipe 4 and is positioned at the lower end of the annular air outlet cover 7, and the outer diameter of the annular flow blocking plate 8 is gradually reduced upwards;

further, when air enters the annular exhaust hood 7 through the opening at the upper end of the exhaust pipe 4, since the inner wall of the annular exhaust hood 7 and the outer wall of the exhaust pipe 4 form an exhaust channel, air can flow towards the lower end of the annular exhaust hood 7 through the exhaust channel, and since the annular flow blocking plate 8 is arranged, and the outer diameter of the annular flow blocking plate 8 is gradually reduced upwards, the shape of the annular flow blocking plate 8 is in a circular truncated cone shape, so that air discharged from the annular exhaust hood 7 can smoothly pass through the annular exhaust net cover 5 along the cambered surface of the annular flow blocking plate 8 to be discharged out of the guide valve, and external large particle impurities can be blocked by the annular exhaust net cover 5, so that the external large particle impurities can be prevented from entering the guide valve, and the guide valve is prevented from being blocked by the external large particle impurities.

The annular spoiler 8 is positioned above the annular exhaust net cover 5;

further, because the outside air can enter the flow guiding valve through the annular exhaust net cover 5 during circulation, and the annular flow blocking plate 8 is arranged at the upper end of the annular exhaust net cover 5, the outside air can be blocked by the annular flow blocking plate 8 at the first time, and the upward circulation speed of the outside air is slowed down, so that the air speed discharged in the annular exhaust hood 7 is higher than the air speed flowing back into the flow guiding valve, the resistance of the flow guiding valve during air discharge is reduced, and the air in the flow guiding valve can be discharged smoothly.

The upper end of the upper shell cover 1 is connected with a semicircular hollow cover 15;

further, the hollow cover 15 is arranged to facilitate rapid diversion of external rainwater so as to prevent rainwater from accumulating on the diversion valve, and the upper shell cover 1 and the lower shell cover 2 are combined to isolate and protect the flow stopping plate 9, so that rainwater is prevented from entering the diversion valve, the rainwater is prevented from impacting the flow stopping plate 9, and the situation that the flow stopping plate 9 is difficult to open due to the impact of the rainwater is avoided.

The buffer gasket 12 is connected to the upper end of the exhaust pipe 4, and the rubber sealing gasket 13 is positioned on the periphery of the balance telescopic rod 14 and embedded at the lower end of the flow stop plate 9;

further, when the air is discharged, the flow stopping plate 9 drives the spike block 11 and the annular air outlet cover 7 to move downwards through the gravity of the flow stopping plate 9, so that the flow stopping plate 9 compresses the balance telescopic rod 14 downwards, the flow stopping plate 9 is covered at the upper end of the exhaust pipe 4 stably, the rubber sealing gasket 13 is inlaid at the lower end of the flow stopping plate 9, and the buffer gasket 12 is connected at the upper end of the exhaust pipe 4, when the flow stopping plate 9 is covered at the upper end of the exhaust pipe 4, the rubber sealing gasket 13 is contacted with the buffer gasket 12, the sealing property of the rubber sealing gasket 13 is combined, and therefore, the outside air can be prevented from entering the exhaust pipe 4, the outside air is prevented from flowing back into a room, the buffer gasket 12 is combined to buffer the flow stopping plate 9 and the rubber sealing gasket 13, the impact force of the flow stopping plate 9 to the exhaust pipe 4 is prevented from being too large, the rubber sealing gasket 13 and the flow stopping plate 9 are prevented from being damaged due to frequent impact, and the service life of the flow guiding valve is ensured.

An upper flange plate 3 is fixed at the lower end of the periphery of the upper shell cover 1, a lower flange plate 16 is fixed at the upper end of the periphery of the lower shell cover 2, and the upper flange plate 3 and the lower flange plate 19 are fixed through bolts;

further, when the structure inside the diverter valve needs to be maintained, the bolts at the connection part of the upper flange plate 3 and the lower flange plate 16 are detached, so that the upper shell cover 1 and the lower shell cover 2 can be detached, and the structure inside the upper shell cover 1 and the lower shell cover 2 is convenient to maintain at the moment, so that the situation that the structure inside the diverter valve is damaged and difficult to maintain occurs, and the service life of the diverter valve is ensured.

Claims

1. The utility model provides a five prevent flow guide valve, includes shell cover (1) and lower shell cover (2), lower shell cover (2) are located go up shell cover (1) lower extreme, its characterized in that:

an upper flange plate (3) is fixed at the lower end of the periphery of the upper shell cover (1), a lower flange plate (16) is fixed at the upper end of the periphery of the lower shell cover (2), and the upper flange plate (3) and the lower flange plate (16) are fixed through bolts;

the lower end of the lower shell cover (2) is connected with an annular exhaust net cover (5), a round supporting plate (6) is fixed at the lower end of the annular exhaust net cover (5), an exhaust pipe (4) extending upwards into the lower shell cover (2) is fixedly penetrated in the middle of the round supporting plate (6), and an exhaust assembly is arranged above the supporting plate (6).

2. The five-prevention diversion valve of claim 1, wherein: the upper end of the upper shell cover (1) is connected with a semicircular hollow cover (15).

3. The five-prevention diversion valve of claim 1, wherein: the exhaust assembly comprises a fixing rod (10), a balance telescopic rod (14), a flow stopping plate (9), a rubber sealing gasket (13) and a pointed cone block (11), wherein the fixing rod (10) is fixed at the inner upper end of the exhaust pipe (4), and the balance telescopic rod (14) is fixed at the middle part of the upper end of the fixing rod (10).

4. A five-prevention diverter valve according to claim 3, characterized in that: the flow stopping plate (9) is fixed at the upper end of the balance telescopic rod (14) and covers the upper end of the exhaust pipe (4), the rubber sealing gasket (13) is positioned at the periphery of the balance telescopic rod (14) and embedded at the lower end of the flow stopping plate (9), and the pointed cone block (11) is connected to the upper end of the flow stopping plate (9).

5. The five-prevention diversion valve of claim 4, wherein: the exhaust assembly further comprises a buffer gasket (12), an annular air outlet cover (7) and an annular flow blocking plate (8), wherein the buffer gasket (12) is connected to the upper end of the exhaust pipe (4), and the annular air outlet cover (7) is sleeved on the periphery of the exhaust pipe (4) and is fixed to the lower end of the periphery of the flow blocking plate (9) through bolts.

6. The five-prevention diversion valve of claim 5, wherein: an exhaust channel is formed between the inner wall of the annular exhaust hood (7) and the outer wall of the exhaust pipe (4), the annular spoiler (8) is fixedly sleeved on the periphery of the exhaust pipe (4) and positioned at the lower end of the annular exhaust hood (7), the annular spoiler (8) is positioned above the annular exhaust net cover (5), and the outer diameter of the annular spoiler (8) is gradually reduced upwards.