CN220151602U

CN220151602U - Fan conversion device

Info

Publication number: CN220151602U
Application number: CN202320814139.4U
Authority: CN
Inventors: 考龙澎
Original assignee: Dalai Nur Coal Industry Co Ltd
Current assignee: Dalai Nur Coal Industry Co Ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-12-08
Anticipated expiration: 2033-04-12

Abstract

The utility model discloses a fan conversion device, which comprises: the device comprises a shell, a partition, a plugging assembly, a first sealing assembly and a second sealing assembly, wherein a first air inlet and a second air inlet are formed in one end of the shell, an air outlet is formed in the other end of the shell, the partition is used for dividing a first air supply channel and a second air supply channel, two ends of the first air supply channel are respectively communicated with the first air inlet and the air outlet, two ends of the second air supply channel are respectively communicated with the second air inlet and the air outlet, the plugging assembly abuts against the first sealing assembly to plug the first air supply channel in a first position, and the plugging assembly abuts against the second sealing assembly to plug the second air supply channel in a second position. When one fan operates, the blocking component blocks an air inlet channel connected with the other non-operated fan, so that air flow is more concentrated. And moreover, the sealing assembly and the sealing assembly are matched together to improve the sealing performance of the air supply channel and reduce the air leakage.

Description

Fan conversion device

Technical Field

The utility model relates to the technical field of gas conveying, in particular to a fan conversion device.

Background

The fan is a device for increasing the pressure of gas and discharging the gas by means of inputting mechanical energy, and is widely used for ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and ventilation and air induction of boilers and industrial furnaces. In the related art, in order to prevent the fan from malfunctioning and causing paralysis of the ventilation system, and further form potential safety hazards, two fans need to be connected to an air outlet pipeline of the ventilation system through a three-way pipeline, so that when one fan malfunctions, the other fan is started to enable the air outlet pipeline to continuously outlet air. However, the three-way pipe is poor in sealing property and large in air leakage.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent.

Therefore, the embodiment of the utility model provides the fan conversion device with good sealing performance and small air leakage.

The fan conversion device of the embodiment of the utility model comprises: the air inlet sealing device comprises a shell, a separating piece, a sealing component, a first sealing component and a second sealing component, wherein the shell is used for defining an air outlet cavity, a first air inlet and a second air inlet are respectively formed in one end of the shell along the air flow direction, an air outlet is formed in the other end of the shell along the air flow direction, the separating piece is arranged in the cavity, so that the first air supply channel and the second air supply channel are separated from the cavity, one end of the first air supply channel along the air flow direction is communicated with the first air inlet, the other end of the first air supply channel along the air flow direction is communicated with the air outlet, one end of the second air supply channel along the air flow direction is communicated with the second air inlet, the other end of the second air supply channel along the air flow direction is communicated with the air outlet, the sealing component is connected with the separating piece, the sealing component is rotatable between a first position and a second position, the first sealing component and the second sealing component are arranged on the inner wall of the shell, at least one end of the first air supply channel is abutted to the first sealing component and the second sealing component at least partially communicated with the first air supply channel and the second sealing component.

According to the fan conversion device provided by the embodiment of the utility model, when one fan operates, the blocking component blocks the air inlet channel connected with the other non-operated fan, so that the air flow is more concentrated. And moreover, the sealing assembly and the sealing assembly are matched together to improve the sealing performance of the air supply channel and reduce the air leakage.

In some embodiments, the divider is located at the center of the cavity such that the cross-sectional area of the first air supply channel and the cross-sectional area of the second air supply channel are the same.

In some embodiments, the closure assembly includes a rotatable shaft rotatably coupled to the divider and a closure plate coupled to the rotatable shaft.

In some embodiments, the plugging plate comprises a first plate body and a second plate body, wherein the first end of the first plate body and the first end of the second plate body are connected with the rotating shaft; in the first position, the first plate body and the second plate body are used for closing the first air supply channel, and the second plate body is also used for guiding the air flow in the second air supply channel to flow to the air outlet; in the second position, the first plate body and the second plate body are used for closing the second air supply channel, and the first plate body is also used for guiding the air flow in the first air supply channel to flow to the air outlet.

In some embodiments, the angle between the length direction of the first plate and the length direction of the second plate is 90 ° -150 °.

In some embodiments, the first seal assembly includes a first seal and a second seal, the first seal and the second seal each being disposed on an inner wall of the housing, the second seal assembly includes a third seal and a fourth seal, the third seal and the fourth seal each being disposed on an inner wall of the housing; in the first position, the second end of the first plate body abuts against the first sealing gasket, and the second end of the second plate body abuts against the second sealing gasket; and in the second position, the second end of the first plate body abuts against the fourth sealing gasket, and the second end of the second plate body abuts against the third sealing gasket.

In some embodiments, the first gasket is located at a middle section of the first air supply channel, the third gasket is located at a middle section of the second air supply channel, and the second gasket and the fourth gasket are both located at the air outlet.

In some embodiments, the device further comprises a first flange, a second flange and a third flange detachably connected with the shell, wherein the first flange is positioned at the first air inlet, the second flange is positioned at the second air inlet, and the third flange is positioned at the air outlet.

In some embodiments, the shell has a thickness of 2cm to 3cm.

In some embodiments, the thickness of the closure plate is 1cm to 1.5cm.

Drawings

Fig. 1 is a schematic diagram of a fan converting apparatus according to an embodiment of the present utility model.

Reference numerals:

a shell 11, a first air inlet 101, a second air inlet 102, an air outlet 103, a first air supply channel 104, a second air supply channel 105,

A partition 21,

A rotation shaft 31, a first plate 32, a second plate 33,

A first gasket 41, a second gasket 42, a third gasket 43, a fourth gasket 44,

A first flange 51, a second flange 52, and a third flange 53.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

The fan converting apparatus according to the embodiment of the present utility model is described below with reference to the accompanying drawings.

As shown in fig. 1, a fan conversion device according to an embodiment of the present utility model includes: the housing 11, the partition 21, the blocking assembly, the first sealing assembly and the second sealing assembly.

Wherein, the shell 11 is square or cylindrical, and the shell 11 defines a cavity. One end of the housing 11 in the gas flow direction is provided with a first air inlet 101 and a second air inlet 102, respectively, and the other end of the housing 11 in the gas flow direction is provided with an air outlet 103.

Alternatively, as shown in fig. 1, the first air inlet 101 and the second air inlet 102 are disposed at the right end of the housing 11, the first air inlet 101 is located below the second air inlet 102, and the air outlet 103 is disposed at the left end of the housing 11. The first air inlet 101 is used for being connected with one fan, and the second air inlet 102 is used for being connected with the other fan.

Further, the shell 11 is made of steel plates by welding, and the thickness of the shell 11 is 2cm-3cm.

A partition 21 is provided in the chamber to divide the chamber into a first air supply passage 104 and a second air supply passage 105. One end of the first air supply passage 104 in the air flow direction is communicated with the first air inlet 101, the other end of the first air supply passage 104 in the air flow direction is communicated with the air outlet 103, one end of the second air supply passage 105 in the air flow direction is communicated with the second air inlet 102, and the other end of the second air supply passage 105 in the air flow direction is communicated with the air outlet 103.

Alternatively, as shown in fig. 1, the first air supply duct 104 and the second air supply duct 105 extend in the left-right direction. The right end of the first air supply channel 104 is communicated with the first air inlet 101, and the left end of the first air supply channel 104 is communicated with the air outlet 103. The right end of the second air supply channel 105 is communicated with the second air inlet 102, and the left end of the second air supply channel 105 is communicated with the air outlet 103.

The closure assembly is connected to the partition 21, the closure assembly being rotatable between a first position and a second position. The first seal assembly and the second seal assembly are provided on the inner wall of the housing 11. In the first position, at least part of the plugging assembly abuts against the first sealing assembly to jointly plug one end of the first air supply channel 104, which is communicated with the air outlet 103. In the second position, at least a portion of the blocking assembly abuts against the second sealing assembly to jointly block one end of the second air supply channel 105 in communication with the air outlet 103.

It will be appreciated that the closure assembly, shown in fig. 1 in solid lines, is in a first position to close off the first air supply passage 104. The blocking assembly, indicated by the dashed line, is in a second position to block the second air supply duct 105.

As shown in fig. 1, when the fan connected to the first air inlet 101 is turned on, air provided by the fan flows through the pipeline and enters the first air supply channel 104 through the first air inlet 101, the air flows enter the first air supply channel 104 and then pushes the blocking component to rotate clockwise, the blocking component rotates into the second air supply channel 105 and blocks the second air supply channel 105, so that air provided by the fan does not flow into the second air supply channel 105, but is output to the outside through the first air inlet 101, the first air supply channel 104 and the air outlet 103.

When the fan connected with the first air inlet 101 fails, the fan connected with the second air inlet 102 is started, air provided by the fan flows through the pipeline and enters the second air supply channel 105 through the second air inlet 102, the blocking component is pushed to rotate anticlockwise after entering the second air supply channel 105, the blocking component rotates into the first air supply channel 104 and blocks the first air supply channel 104, and then the air provided by the fan does not flow into the first air supply channel 104, but is output to the outside through the second air inlet 102, the second air supply channel 105 and the air outlet 103.

Therefore, in the fan conversion device provided by the embodiment of the utility model, when one fan operates, the blocking component blocks the air inlet channel connected with the other non-operated fan, so that the air flow is more concentrated. And moreover, the sealing assembly and the sealing assembly are matched together to improve the sealing performance of the air supply channel and reduce the air leakage.

In some embodiments, as shown in fig. 1, the partition 21 is located at the center of the cavity so that the cross-sectional area of the first air supply passage 104 and the cross-sectional area of the second air supply passage 105 are the same.

It will be appreciated that as shown in fig. 1, the partition 21 divides the chamber into two air supply passages of the same size to ensure uniform ventilation per unit time of each air supply passage.

Specifically, as shown in fig. 1, the partition 21 is a steel plate, the partition 21 extends in the horizontal direction, and the outer peripheral wall of the partition 21 is in sealing engagement (e.g., welded) with the inner peripheral wall of the housing 11 to divide the chamber into upper and lower air supply passages.

In some embodiments, as shown in fig. 1, the closure assembly includes a rotation shaft 31 and a closure plate. The rotation shaft 31 is rotatably connected to the left end of the partition 21. The blocking plate is connected to the rotation shaft 31 so that the rotation shaft 31 rotates to drive the blocking plate to rotate.

Alternatively, as shown in fig. 1, the plugging plate includes a first plate body 32 and a second plate body 33, and the first end of the first plate body 32 and the first end of the second plate body 33 are both connected to the rotation shaft 31. The first end of the first plate 32 refers to an end of the first plate 32 near the center of the cavity, and the first end of the second plate 33 refers to an end of the second plate 33 near the center of the cavity.

In the first position, the first plate 32 and the second plate 33 are used together to close the first air supply channel 104, and the second plate 33 is also used to guide the air flow in the second air supply channel 105 to the air outlet 103. In the second position, the first plate 32 and the second plate 33 are used together to close the second air supply channel 105, and the first plate 32 is further used to guide the air flow in the first air supply channel 104 to the air outlet 103.

Further, the angle between the longitudinal direction of the first plate 32 and the longitudinal direction of the second plate 33 is 90 ° -150 °.

In some embodiments, as shown in fig. 1, the first seal assembly includes a first seal 41 and a second seal 42, the first seal 41 and the second seal 42 being disposed on an inner wall of the housing 11. The second sealing assembly includes a third gasket 43 and a fourth gasket 44, the third gasket 43 and the fourth gasket 44 being provided on the inner wall of the housing 11. For example, the gasket may be provided on the inner wall of the housing 11 by means of gluing.

In the first position, the second end of the first plate 32 abuts against the first gasket 41, and the second end of the second plate 33 abuts against the second gasket 42. In the second position, the second end of the first plate 32 abuts the fourth gasket 44 and the second end of the second plate 33 abuts the third gasket 43. The second end of the first plate 32 refers to an end of the first plate 32 away from the center of the cavity, and the second end of the second plate 33 refers to an end of the second plate 33 away from the center of the cavity.

Specifically, as shown in fig. 1, the first sealing pad 41 is located in the middle section of the first air supply channel 104, the third sealing pad 43 is located in the middle section of the second air supply channel 105, and the second sealing pad 42 and the fourth sealing pad 44 are both located at the air outlet 103.

It will be appreciated that if the second gasket 42 and the fourth gasket 44 are not provided at the air outlet 103, a part of the air flow may flow into the unused air supply channel, resulting in unstable air flow and even flushing of the plug.

For example, as shown in fig. 1, if the second gasket 42 is not provided in the first position of the plugging assembly, a part of the air flow in the second air flow passage 105 flows downward into the first air flow passage 104 through the portion, and applies a rightward thrust to the left end face of the first plate 32.

Similarly, if the fourth gasket 44 is not provided in the second position of the plugging assembly, a part of the air flow in the first air flow passage 104 flows upward into the second air flow passage 105 through the portion, and applies a rightward thrust to the left end face of the second plate 33.

Thus, by providing the first gasket 41, the second gasket 42, the third gasket 43, and the fourth gasket 44, not only the double sealing effect is achieved, but also the adverse effect on the air supply passage in the closed state is avoided.

Optionally, the first sealing pad 41, the second sealing pad 42, the third sealing pad 43 and the fourth sealing pad 44 are all rubber pads, the plugging plate is made of plastic, and the thickness of the plugging plate is 1cm-1.5cm.

In some embodiments, as shown in fig. 1, further comprises a first flange 51, a second flange 52, and a third flange 53 that are removably connected to the housing 11. The first flange 51 is located at the first air inlet 101, the second flange 52 is located at the second air inlet 102, and the third flange 53 is located at the air outlet 103.

It can be appreciated that the flange is provided to facilitate the connection of the interfaces of the first air inlet 101, the second air inlet 102 and the air outlet 103 to be more stable, and at the same time, the fan is also convenient to disassemble and repair when the fan fails.

Optionally, the outer peripheral wall of the first flange 51 is provided with external threads, and the inner wall of the first air inlet 101 is provided with internal threads matched with the external threads of the first flange 51, and the external threads and the internal threads are connected through threaded fit. Similarly, the outer peripheral wall of the second flange 52 is provided with external threads, and the inner wall of the second air inlet 102 is provided with internal threads matched with the external threads of the second flange 52, and the external threads and the internal threads are connected through threaded fit. The outer peripheral wall of the third flange plate 53 is provided with external threads, and the inner wall of the air outlet 103 is provided with internal threads matched with the external threads of the third flange plate 53, and the external threads and the internal threads are connected through threaded fit.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the utility model.

Claims

1. A fan conversion device, comprising:

the device comprises a shell, a first air inlet and a second air inlet, wherein the shell defines a cavity, one end of the shell along the gas flow direction is provided with the first air inlet and the second air inlet respectively, and the other end of the shell along the gas flow direction is provided with the air outlet;

the separation piece is arranged in the cavity to divide the cavity into a first air supply channel and a second air supply channel, one end of the first air supply channel along the air flow direction is communicated with the first air inlet, the other end of the first air supply channel along the air flow direction is communicated with the air outlet, one end of the second air supply channel along the air flow direction is communicated with the second air inlet, and the other end of the second air supply channel along the air flow direction is communicated with the air outlet;

a blocking assembly coupled to the divider, the blocking assembly being rotatable between a first position and a second position;

the first sealing assembly and the second sealing assembly are arranged on the inner wall of the shell, at least part of the plugging assembly is propped against the first sealing assembly at the first position to jointly plug one end of the first air supply channel communicated with the air outlet, and at least part of the plugging assembly is propped against the second sealing assembly at the second position to jointly plug one end of the second air supply channel communicated with the air outlet.

2. The blower conversion device of claim 1, wherein the divider is located at a center of the cavity such that a cross-sectional area of the first air supply passage and a cross-sectional area of the second air supply passage are the same.

3. The fan switching apparatus as claimed in claim 1, wherein the blocking assembly includes a rotation shaft rotatably connected to the partition and a blocking plate connected to the rotation shaft.

4. The fan switching apparatus as claimed in claim 3, wherein the blocking plate includes a first plate body and a second plate body, and a first end of the first plate body and a first end of the second plate body are connected to the rotation shaft;

in the first position, the first plate body and the second plate body are used for closing the first air supply channel, and the second plate body is also used for guiding the air flow in the second air supply channel to flow to the air outlet;

in the second position, the first plate body and the second plate body are used for closing the second air supply channel, and the first plate body is also used for guiding the air flow in the first air supply channel to flow to the air outlet.

5. The fan switching apparatus as claimed in claim 4, wherein an angle between a length direction of the first plate body and a length direction of the second plate body is 90 ° -150 °.

6. The blower conversion device according to claim 4, wherein the first seal assembly includes a first seal and a second seal, the first seal and the second seal being disposed on an inner wall of the housing, the second seal assembly includes a third seal and a fourth seal, the third seal and the fourth seal being disposed on an inner wall of the housing;

in the first position, the second end of the first plate body abuts against the first sealing gasket, and the second end of the second plate body abuts against the second sealing gasket;

and in the second position, the second end of the first plate body abuts against the fourth sealing gasket, and the second end of the second plate body abuts against the third sealing gasket.

7. The blower conversion device of claim 6, wherein the first gasket is located in a middle section of the first air supply duct, the third gasket is located in a middle section of the second air supply duct, and both the second gasket and the fourth gasket are located at the air outlet.

8. The blower conversion device of claim 1, further comprising a first flange, a second flange, and a third flange removably coupled to the housing, the first flange being positioned at the first air inlet, the second flange being positioned at the second air inlet, and the third flange being positioned at the air outlet.

9. The fan conversion device according to any one of claims 1 to 8, wherein the thickness of the housing is 2cm to 3cm.

10. A fan switching apparatus as claimed in claim 3, wherein the thickness of the blocking plate is 1cm to 1.5cm.