CN220769742U - Air gathering cylinder fan - Google Patents
Air gathering cylinder fan Download PDFInfo
- Publication number
- CN220769742U CN220769742U CN202322146905.7U CN202322146905U CN220769742U CN 220769742 U CN220769742 U CN 220769742U CN 202322146905 U CN202322146905 U CN 202322146905U CN 220769742 U CN220769742 U CN 220769742U
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- air
- fan
- air gathering
- gathering barrel
- air inlet
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- 230000007704 transition Effects 0.000 claims abstract description 8
- 239000002131 composite material Substances 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 10
- 241001465754 Metazoa Species 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 230000006872 improvement Effects 0.000 description 5
- 244000144972 livestock Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 208000007407 African swine fever Diseases 0.000 description 1
- 241000886569 Cyprogenia stegaria Species 0.000 description 1
- 241000883990 Flabellum Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an air gathering barrel fan which comprises a square shell, wherein the inside of the shell is fixedly connected with a direct-drive motor through a motor bracket, a fan blade is arranged at the rotating end of the direct-drive motor, an air gathering barrel is arranged at the air outlet of the shell, and the air inlet of the shell and the air inlet of the air gathering barrel are in smooth transition. By arranging the drainage plates, smooth transition is realized between the square shell air inlet and the round air gathering cylinder air inlet, so that when air flow passes through the joint of the shell and the air gathering cylinder, the resistance of the air flow is reduced, the flow of the fan is further ensured, and the ventilation effect of the fan is improved.
Description
Technical Field
The utility model belongs to the technical field of fans, and particularly relates to a wind gathering barrel fan.
Background
Along with the continuous development of animal husbandry and the influence of African swine fever, the ventilation requirement of the current large-scale animal husbandry farm to the animal house is higher and higher to in time provide fresh air for livestock, the current animal husbandry fan in the current market mainly divide into galvanized sheet square animal husbandry fan and glass steel animal husbandry fan from the structural material.
The utility model of China with the bulletin number of CN219182369U discloses an air exchanging mechanism of a livestock and poultry breeding shed, which comprises a negative pressure fan body, wherein a plurality of limiting plates are fixedly connected to the negative pressure fan body, a protection structure, a fixing structure, a connecting structure, a driving structure, a limiting structure and a blocking structure are arranged on the negative pressure fan body, and the protection structure comprises a mounting frame.
However, the casing of the fan is of a square structure, so that the air inlet of the fan is square, the air flow channel of the fan is circular, a step part exists between the square air inlet and the circular air flow channel, and when air flows sequentially through the square air inlet and the circular air flow channel, the step part can generate resistance to partial air flow, so that the air flow in the air flow channel is smaller than the air flow at the air inlet, and the ventilation effect of the fan is influenced.
Therefore, there is a need for improvements in prior art air mover fans.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides the air gathering barrel fan, so that the ventilation effect of the fan is improved.
In order to achieve the purpose, the specific technical scheme of the air gathering barrel fan is as follows:
the utility model provides a draw in dryer fan, includes square casing, the inside motor that drives directly of motor support fixed connection of casing, the rotation end that directly drives the motor is provided with the flabellum, the air outlet of casing is provided with draws in the dryer, the air intake of casing with draw in smooth transition between the air intake of dryer.
Preferably, a drainage plate is arranged in the casing, one side edge of the drainage plate coincides with the edge of the air inlet of the air gathering barrel, the other side edge of the drainage plate extends to the edge of the air inlet of the casing, and the side surface, close to the fan blade, of the drainage plate is a smooth surface.
Preferably, the number of the drainage plates is four, and each drainage plate is respectively arranged at four right angles of the casing.
Preferably, the inner diameter of the air gathering cylinder is gradually increased from the air inlet to the air outlet along the axial direction of the air gathering cylinder.
Preferably, the air gathering cylinder comprises a plurality of arc-shaped combined plates, and two adjacent combined plates are connected in an inserting mode.
Preferably, the composite board is provided with a plurality of inserting grooves axially distributed along the air gathering barrel, the side edges of the composite board are provided with a plurality of inserting pieces, the number of the inserting pieces is equal to that of the inserting grooves, the inserting pieces correspond to each other one by one, and the inserting pieces on the adjacent two composite boards are matched with the inserting grooves in an inserting mode.
Preferably, the joint of two adjacent combined plates is provided with an overlapped part, and the overlapped parts are fixedly connected through screws.
Preferably, a cover plate for preventing air flow from flowing back is further arranged at the air inlet of the air gathering cylinder.
Preferably, the cover plate is semicircular and is provided with two, the cover plate bracket is fixedly connected with the air inlet of the air gathering cylinder, the edge of the cover plate comprises an arc section and a diameter section, the diameter section is rotationally connected with the cover plate bracket, and a torsion spring is further arranged between the cover plate and the cover plate bracket.
The air gathering barrel fan has the following advantages: through the setting of drainage board, make the square casing air intake and circular shape draw in between the dryer air intake and realize smooth transition, when making the air current pass through the junction of casing and drawing in the dryer, reduce the resistance that the air current received, and then guarantee the flow of fan, promote the ventilation effect of fan.
Drawings
FIG. 1 is a schematic diagram of a blower fan of the present utility model;
FIG. 2 is a schematic diagram of a drainage plate structure of the present utility model;
FIG. 3 is a perspective view of the air dryer blower of the present utility model;
fig. 4 is an enlarged view of a portion a of fig. 3;
the figure indicates: 1. a housing; 2. an air gathering barrel; 3. a direct drive motor; 4. a fan blade; 5. a drainage plate; 6. a motor bracket; 7. a cover plate bracket; 8. a cover plate; 21. a combination board; 22. a plug-in piece; 23. and a plug-in groove.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
The terms "top" and "bottom" are used with reference to the normal use of the fan and are merely for convenience of description and to simplify the description, and are not intended to indicate or imply that the devices or elements referred to must have, be constructed and operated in a particular orientation and are not to be construed as limiting the utility model.
The livestock farm usually needs to use the fan to ventilate and dissipate heat, and the casing 1 of current fan is set up to square usually to satisfy wet curtain's installation demand, and the dryer that gathers together 2 that connect on the casing 1 is circular usually, consequently can form the step face in the junction of casing 1 and dryer that gathers together 2, and the step face can produce the resistance to the air current through casing 1 and dryer 2 that gathers together, influences the ventilation effect of fan.
In order to solve the above problems, as shown in fig. 1 and 2, an air gathering barrel fan comprises a square fan shell 1, wherein a direct-drive motor 3 is fixedly connected inside the shell 1 through a motor bracket 6, a fan blade 4 is arranged at the rotating end of the direct-drive motor 3, an air gathering barrel 2 is arranged at the air outlet of the shell 1, and the air inlet of the shell 1 and the air inlet of the air gathering barrel 2 are in smooth transition.
When the fan is used, the motor 3 drives the fan blades 4 to rotate, and air flow is driven by the fan blades 4 to sequentially flow through the shell 1 and the air gathering barrel 2, so that low-temperature air at the wet curtain is sent into the farm, and the temperature in the farm is reduced; meanwhile, the air inlet of the shell 1 and the air inlet of the air gathering barrel 2 are in smooth transition, the step surface can be converted into an inclined surface, the inclined surface can play a role in guiding air flow, the resistance to the air flow is reduced, the flow of the air flow is increased, and the ventilation effect of the fan is improved.
Further improvement is that, as shown in fig. 2, a drainage plate 5 is arranged in the casing 1, one side edge of the drainage plate 5 coincides with the edge of the air inlet of the air gathering barrel 2, the other side edge of the drainage plate 5 extends to the edge of the air inlet of the fan casing 1, and the side surface of the drainage plate 5, which is close to the fan blade 4, is a smooth surface.
The smooth surface of the flow guide plate 5 can play a role in guiding air flow which passes through the shell 1 to the inside of the air gathering cylinder 2, so that the resistance of the air flow when flowing through the inside of the shell 1 is reduced, the air flow of the fan is improved, meanwhile, the flow guide plate 5 can also realize the compression effect on the air flow, the air pressure is increased, the diffusion distance of the air flow is prolonged, and the ventilation effect of the fan is improved.
The number of the drainage plates 5 is four, and each drainage plate 5 is respectively arranged at four right angles of the casing 1.
When the diameter of the air inlet of the air gathering cylinder 2 is consistent with the side length of the shell 1, a step surface is formed at four right angles of the shell 1, so that the drainage plate 5 can be arranged at the right angles of the shell 1, and the drainage plate 5 is arranged into four independent parts, so that the space of the drainage plate 5 occupied by the shell 1 can be reduced, the ventilation quantity of the shell 1 is ensured, and the ventilation effect of a fan is improved.
The further improvement is that the inner diameter of the air gathering cylinder 2 is gradually increased from the air inlet to the air outlet along the axial direction of the air gathering cylinder.
The structure of the air gathering cylinder 2 can gradually diffuse the air flow when flowing through the air gathering cylinder 2, thereby expanding the ventilation range of the fan.
As shown in fig. 4, the air gathering barrel 2 comprises a plurality of arc-shaped combined plates 21, and two adjacent combined plates 21 are connected in a plugging manner.
Compared with the direct processing of the whole air gathering cylinder 2, the air gathering cylinder 2 is formed by assembling a plurality of combined plates 21, so that the processing difficulty of the air gathering cylinder 2 can be reduced, the production efficiency of the air gathering cylinder 2 is improved, and meanwhile, when the air gathering cylinder 2 is damaged and deformed, the deformed combined plates 21 can be independently replaced, so that the maintenance cost is reduced; and by increasing or decreasing the number of the combination plates 21, the air gathering cylinders 2 with different sizes can be combined.
The concrete connection structure between the composition boards 21 is that a plurality of inserting grooves 23 are formed in the composition boards 21 along the axial direction of the air gathering cylinder 2, a plurality of inserting pieces 22 are arranged on the side edges of the composition boards 21, the number of the inserting pieces 22 is equal to that of the inserting grooves 23, the inserting pieces 22 on two adjacent composition boards 21 are in one-to-one correspondence with the inserting grooves 23 in an inserting fit mode.
When the two combined plates 21 are connected, the connection between the two combined plates can be completed by inserting the inserting piece 22 of one combined plate 21 into the inserting groove 23 of the other combined plate 21, so that the convenience of production of the air gathering cylinder 2 is greatly improved; in order to improve the connection firmness of the inserting piece 22 and the inserting groove 23, after the inserting piece 22 is inserted into the inserting groove 23, the inserting piece 22 can be bent and folded into a hook-shaped structure, so that the probability that the inserting piece 22 is separated from the inside of the inserting groove 23 is reduced, and the integral combination strength of the air gathering cylinder 2 is improved.
A further improvement is that the joints of two adjacent composite boards 21 are provided with overlapping parts which are fixedly connected by screws. The setting of screw can further fix two composition boards 21, promotes the intensity of connecting between the composition board 21, and then guarantees to draw in the holistic intensity of dryer 2.
Further improvement is, as shown in fig. 3, the air inlet of the air gathering barrel 2 is also provided with a cover plate 8 for preventing air flow from flowing back, the cover plate 8 is semicircular and is provided with two, the air inlet of the air gathering barrel 2 is fixedly connected with a cover plate support 7, the edge of the cover plate 8 comprises an arc section and a diameter section, the diameter section is rotationally connected with the cover plate support 7, and a torsion spring is further arranged between the cover plate 8 and the cover plate support 7.
When the fan blades 4 rotate, air pressure is formed at the inlet of the air gathering barrel 2, and the air pressure can push the cover plate 8 to rotate towards one side of the air gathering barrel 2, so that the air inlet of the air gathering barrel 2 is in an open state, and the fan can normally ventilate; when the fan blade 4 stops running, the air pressure disappears, and the cover plate 8 is enabled to rotate towards the direction of the shell 1 under the action of the torsion spring, so that the air gathering cylinder 2 is covered by the cover plate 8, peculiar smell inside the farm is prevented from diffusing to the outside of the farm through the fan, and the environmental protection performance of the farm is improved.
Above-mentioned fan passes through the setting of drainage board, makes realizing smooth transition between square casing air intake and the circular dryer air intake that gathers together, when making the air current pass through the junction of casing and dryer that gathers together, reduces the resistance that the air current received, and then guarantees the flow of fan, promotes the ventilation effect of fan.
It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (9)
1. The utility model provides a draw in dryer fan, includes square casing (1), its characterized in that:
the novel air conditioner is characterized in that the inside of the casing (1) is fixedly connected with the direct-driven motor (3) through the motor support (6), the rotating end of the direct-driven motor (3) is provided with fan blades (4), an air outlet of the casing (1) is provided with an air gathering cylinder (2), and an air inlet of the casing (1) and an air inlet of the air gathering cylinder (2) are in smooth transition.
2. The air gathering barrel fan according to claim 1, wherein a drainage plate (5) is arranged in the machine shell (1), one side edge of the drainage plate (5) coincides with the edge of the air inlet of the air gathering barrel (2), the other side edge of the drainage plate (5) extends to the edge of the air inlet of the machine shell (1), and the side surface, adjacent to the fan blade (4), of the drainage plate (5) is a smooth surface.
3. The air-gathering barrel fan according to claim 2, wherein the number of the drainage plates (5) is four, and each drainage plate (5) is respectively arranged at four right angles of the casing (1).
4. The air gathering barrel fan according to claim 1, wherein the inner diameter of the air gathering barrel (2) gradually increases from the air inlet to the air outlet along the axial direction of the air gathering barrel.
5. The air gathering barrel fan as recited in claim 4, wherein the air gathering barrel (2) comprises a plurality of arc-shaped combined plates (21), and two adjacent combined plates (21) are connected in an inserting mode.
6. The air gathering drum fan according to claim 5, wherein the combination plates (21) are provided with a plurality of inserting grooves (23) axially distributed along the air gathering drum (2), a plurality of inserting pieces (22) are distributed on the side edges of the combination plates (21), the number of the inserting pieces (22) is equal to that of the inserting grooves (23), the inserting pieces (22) on two adjacent combination plates (21) are in one-to-one correspondence with the inserting grooves (23) in an inserting fit manner.
7. The air-gathering barrel fan as recited in claim 6, wherein the junction of two adjacent composite boards (21) has an overlapping portion, said overlapping portions being fixedly connected by screws.
8. The air gathering barrel fan according to claim 1, wherein a cover plate (8) for preventing air flow from flowing back is further arranged at the air inlet of the air gathering barrel (2).
9. The air gathering drum fan according to claim 8, wherein the cover plates (8) are semicircular and are provided with two, cover plate supports (7) are fixedly connected to the air inlet of the air gathering drum (2), the edges of the cover plates (8) comprise arc sections and diameter sections, the diameter sections are rotationally connected with the cover plate supports (7), and torsion springs are further arranged between the cover plates (8) and the cover plate supports (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322146905.7U CN220769742U (en) | 2023-08-09 | 2023-08-09 | Air gathering cylinder fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322146905.7U CN220769742U (en) | 2023-08-09 | 2023-08-09 | Air gathering cylinder fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220769742U true CN220769742U (en) | 2024-04-12 |
Family
ID=90621527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322146905.7U Active CN220769742U (en) | 2023-08-09 | 2023-08-09 | Air gathering cylinder fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220769742U (en) |
-
2023
- 2023-08-09 CN CN202322146905.7U patent/CN220769742U/en active Active
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