CN222067184U - Centrifugal fan with wind-guiding ring - Google Patents
Centrifugal fan with wind-guiding ring Download PDFInfo
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- CN222067184U CN222067184U CN202420535143.1U CN202420535143U CN222067184U CN 222067184 U CN222067184 U CN 222067184U CN 202420535143 U CN202420535143 U CN 202420535143U CN 222067184 U CN222067184 U CN 222067184U
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- 238000013016 damping Methods 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 241000886569 Cyprogenia stegaria Species 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
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Abstract
本实用新型涉及离心风机领域，具体涉及一种具有导风环的离心风机，包括离心风机主体，用于承载吸风送风等组件，前机壳，设置于离心风机主体的外部，用于连接安装离心风机主体，且前机壳的外部贯穿有固定螺栓。本实用新型设置有离心风机主体、前机壳、固定螺栓、外定位圈、导风环体、阻尼复位杆、内嵌环和风叶轮，当使用该离心风机进行吸风送风工作时，可以先通过固定螺栓和外定位圈在前机壳的进风口安装上导风环体，然后再通过前机壳内部的阻尼复位杆将导风环体一端的内嵌环在前机壳内抵触住，这样稳定安装好的导风环体可以在该离心风机进行吸风时扩大吸风的入口，导风环体内部整体呈弧状减少了风量在内部的残留。
The utility model relates to the field of centrifugal fans, and specifically to a centrifugal fan with an air guide ring, including a centrifugal fan body for carrying components such as air suction and air supply, and a front casing, which is arranged outside the centrifugal fan body and used to connect and install the centrifugal fan body, and the outside of the front casing is penetrated by fixing bolts. The utility model is provided with a centrifugal fan body, a front casing, fixing bolts, an outer positioning ring, an air guide ring body, a damping reset rod, an embedded ring and a wind impeller. When the centrifugal fan is used for air suction and air supply, the air guide ring body can be first installed on the air inlet of the front casing through the fixing bolts and the outer positioning ring, and then the embedded ring at one end of the air guide ring body is abutted in the front casing through the damping reset rod inside the front casing, so that the air guide ring body stably installed can expand the air suction entrance when the centrifugal fan is sucking air, and the interior of the air guide ring body is arc-shaped as a whole to reduce the residual air volume inside.
Description
Technical Field
The utility model relates to the field of centrifugal fans, in particular to a centrifugal fan with an air guide ring.
Background
The centrifugal fan is a fan which works by virtue of centrifugal force, and belongs to the main working principle of a constant-pressure fan, wherein when a blade rotating at a high speed sucks gas into a shell and accelerates, the gas flows through an impeller, the flow direction changes, and the gas is discharged by virtue of centrifugal force; the deceleration converts kinetic energy into pressure potential energy, so that the airflow is decelerated; the main functions of the centrifugal fan include increasing air pressure, flow rate, forming air flow and the like, the output air quantity of the centrifugal fan can change along with the change of a pipeline and a load, but the change of air pressure is small, and the constant centrifugal fan is widely applied to the fields of ventilation, dust discharge, cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and induced air of boilers and industrial furnaces and kilns and the like.
Through searching, the utility model discloses a centrifugal fan with the publication number of CN218151663U, in particular to a centrifugal fan with convenient installation, which comprises a fan shell, a fan driving motor and a fan installation seat, wherein the end surface of the fan installation seat is connected with a motor support column through a scissor type adjusting component, the fan driving motor is fixedly connected with the end surface of the motor support column, the utility model designs the centrifugal fan with convenient installation, and the height adjusting component and the scissor type adjusting component in the device are mutually cooperated, the height adjustment to leaving the fan has been realized, satisfy different work demands, solved effectively because the height of centrifugal fan mount pad is fixed unadjustable, when leaving fan mounted position too high, need seek the supporting seat in addition, place between mounted position and centrifugal fan mount pad, adjust the whole height from the fan, when leaving the fan mounted position too low, can't realize the problem of installation to reach the effect of easy to assemble.
In the use process of the conventional centrifugal fan, because wind is sucked from the air inlet of the centrifugal fan through the impeller rotating at a high speed, a certain amount of wind is dissipated due to the influence of the air inlet of the centrifugal fan in the sucking and sending process, and the air guide component is not arranged in the comparative example case, so that after the centrifugal fan is used for a long time, the air inlet and the air supply quantity are caused to be in certain loss, the air quantity is unstable to enter and exit, and certain noise is caused due to the fact that the influence of pressure waves is large.
Therefore, it is necessary to invent a centrifugal fan with an air guiding ring to solve the above problems.
Disclosure of utility model
The utility model aims to provide a centrifugal fan with an air guide ring, which is characterized in that an air inlet which can be expanded when the centrifugal fan sucks air is realized through a centrifugal fan main body, a front shell, a fixing bolt, an outer positioning ring, an air guide ring body, a damping reset rod, an inner embedded ring and an air impeller, wherein the inside of the air guide ring body is in an arc shape, so that the residual air quantity in the inside is reduced, meanwhile, the air flow can be guided into the air impeller for the centrifugal fan, the air flow line is further accelerated, the air quantity and the efficiency of the integral centrifugal fan during operation are improved, the air quantity entering the centrifugal fan is more stable, the influence of internal pressure waves is reduced, and the noise effect generated when the centrifugal fan sucks air from an air inlet of the centrifugal fan in the using process of the prior art is reduced.
In order to achieve the above object, the present utility model provides the following technical solutions: the centrifugal fan with the air guide ring comprises a centrifugal fan main body, a fan body and a fan body, wherein the centrifugal fan main body is used for bearing components such as air suction and air supply;
The front shell is arranged outside the centrifugal fan main body and used for connecting and installing the centrifugal fan main body, the outer part of the front shell is penetrated with a fixing bolt, one end of the fixing bolt is movably connected with an outer positioning ring, the inner part of the outer positioning ring is fixedly provided with an air guide ring body, the inner part of the front shell is fixedly provided with a damping reset rod, and one end of the damping reset rod is fixedly provided with an embedded ring;
The fan impeller is arranged in the centrifugal fan main body and used for blowing in air to operate, fastening bolts penetrate through the fan impeller, and one ends of the fastening bolts are movably connected with connecting pieces.
Preferably, the bottom of the centrifugal fan main body is fixedly provided with a stand, a positioning groove is formed in the upper portion of the stand, and a positioning bolt is fixedly arranged in the positioning groove.
Preferably, the number of the damping reset rods is eight, and the eight damping reset rods are distributed on the front shell at equal intervals.
Preferably, a centrifugal motor is fixedly arranged outside the centrifugal fan main body, and the output end of the centrifugal motor is fixedly connected with a transmission rod.
Preferably, a tuyere groove is formed in the centrifugal fan main body, a tuyere block is movably connected in the tuyere groove, and a tuyere baffle is fixedly arranged at one end of the tuyere block.
Preferably, the air port baffle is movably connected with the centrifugal fan main body, and the air port groove is matched with the air port block.
In the technical scheme, the utility model has the technical effects and advantages that:
1. When the centrifugal fan is used for air suction and supply, the air guide ring body can be firstly arranged at the air inlet of the front shell through the fixing bolts and the outer positioning ring, then the inner embedded ring at one end of the air guide ring body is abutted against the front shell through the damping reset rod in the front shell, so that the stably arranged air guide ring body can enlarge an air suction inlet when the centrifugal fan sucks air, the whole inside of the air guide ring body is arc-shaped, the residual of air quantity in the inside is reduced, meanwhile, the air guide ring body can guide air flow to the air impeller for the centrifugal fan, the air flow line is further accelerated, the air quantity and efficiency of the whole centrifugal fan are improved, the air guide ring body can enable the air quantity entering the centrifugal fan to be more stable, the influence of internal pressure waves is reduced, and the noise generated when the air suction and supply are reduced;
2. When the centrifugal fan is used for air suction and supply, the rotating speed of the centrifugal motor can be directly adjusted through the air inlet groove and the air outlet block according to the current air supply requirement without adjusting the rotating speed of the centrifugal motor, so that the whole air outlet quantity of the centrifugal fan is controlled, the whole application range of the device is widened, the whole operation of the machine base, the positioning groove and the positioning bolt is simple, the centrifugal fan can be conveniently installed and used in any environment, and the air suction and supply aging is not delayed.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a stand structure according to the present utility model;
FIG. 3 is a schematic view of an air guiding ring structure according to the present utility model;
FIG. 4 is a schematic view of a fan blade structure according to the present utility model;
FIG. 5 is a schematic view of a tuyere shield according to the present utility model.
Reference numerals illustrate:
1. A centrifugal fan main body; 2. a base; 3. a positioning groove; 4. positioning bolts; 5. a front case; 6. a fixing bolt; 7. an outer positioning ring; 8. an air guide ring body; 9. damping reset lever; 10. an embedded ring; 11. a wind impeller; 12. a fastening bolt; 13. a connecting sheet; 14. a centrifugal motor; 15. a transmission rod; 16. a tuyere groove; 17. a tuyere block; 18. and a tuyere baffle.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
The utility model provides a centrifugal fan with an air guide ring as shown in figures 1-5, which comprises a centrifugal fan main body 1, a fan body and a fan body, wherein the centrifugal fan main body is used for bearing components such as air suction and air supply;
The front shell 5 is arranged outside the centrifugal fan main body 1 and used for connecting and mounting the centrifugal fan main body 1, the fixing bolt 6 penetrates through the outer part of the front shell 5, one end of the fixing bolt 6 is movably connected with the outer positioning ring 7, the air guide ring body 8 is fixedly mounted inside the outer positioning ring 7, the damping reset rod 9 is fixedly mounted inside the front shell 5, and the embedded ring 10 is fixedly mounted at one end of the damping reset rod 9;
The fan impeller 11 is arranged in the centrifugal fan body 1 and used for sucking air and blowing the air, the fastening bolt 12 penetrates through the fan impeller 11, one end of the fastening bolt 12 is movably connected with the connecting piece 13, the fan impeller 11, the fastening bolt 12 and the connecting piece 13 are simple in structure, the fan impeller 11 and the centrifugal motor 14 are conveniently in butt joint and installation, air blowing and air suction work is completed, the fan impeller 11 can be detached after long-term use, the fan impeller 11 is cleaned, and normal operation of the centrifugal fan is guaranteed.
As shown in fig. 1, fig. 2 and fig. 3, the bottom of the centrifugal fan main body 1 is fixedly provided with the base 2, the upper side of the base 2 is provided with the positioning groove 3, the inside of the positioning groove 3 is fixedly provided with the positioning bolt 4, the base 2, the positioning groove 3 and the positioning bolt 4 are integrally simple in operation, the centrifugal fan is convenient to install and use under any environment, the induced draft and air supply aging is not delayed, the number of the damping reset rods 9 is eight, the eight damping reset rods 9 are distributed on the front casing 5 at equal intervals, the air guide ring body 8 is installed on the air inlet of the front casing 5 through the fixing bolt 6 and the outer positioning ring 7, then the embedded ring 10 at one end of the air guide ring body 8 is abutted in the front casing 5 through the damping reset rods 9 in the front casing 5, and thus the stably installed air guide ring body 8 can enlarge the induced draft inlet when the centrifugal fan is induced drafted.
As shown in fig. 1, fig. 4 and fig. 5, the outside fixed mounting of centrifugal fan main part 1 has centrifugal motor 14, centrifugal motor 14's output fixedly connected with transfer line 15, centrifugal motor 14 passes through transfer line 15 and drives impeller 11 and accomplish high-speed rotation, let the air intake produce centrifugal suction and accomplish centrifugal fan induced draft air supply work, the inside of centrifugal fan main part 1 has seted up wind gap groove 16, the inside swing joint of wind gap groove 16 has wind gap piece 17, the one end fixed mounting of wind gap piece 17 has wind gap baffle 18, can be according to the demand of current air supply, need not to adjust centrifugal motor 14's rotational speed, directly adjust the interval at the inside wind gap baffle 18 of air outlet through wind gap groove 16 and wind gap piece 17, thereby the holistic air output size of this centrifugal fan is controlled, wind gap baffle 18 and centrifugal fan main part 1 swing joint, wind gap groove 16 and wind gap piece 17 cooperate the use, the cost of wind gap baffle 18 is low, the cost of also convenient maintenance personal in time changes when breaking down.
The working principle of the utility model is as follows: firstly, an external power supply is connected, according to the environment of using a centrifugal fan which is required at present, the centrifugal fan is firstly installed and used in any environment through a machine base 2, a positioning groove 3 and a positioning bolt 4, then an air outlet of the centrifugal fan is connected with an external pipeline, an air guide ring body 8 is installed at an air inlet of a front machine shell 5 through a fixing bolt 6 and an external positioning ring 7, then an embedded ring 10 at one end of the air guide ring body 8 is abutted against the front machine shell 5 through a damping reset rod 9 in the front machine shell 5, thus the stably installed air guide ring body 8 can enlarge an air suction inlet when the centrifugal fan sucks air, then the whole inside of the air guide ring body 8 is arc-shaped in the air suction process, the residual of the air quantity inside can be reduced, meanwhile, the air guide ring body 8 can guide the air flow to enter an air impeller 11 for the centrifugal fan, and the air flow line is further accelerated, the air quantity and efficiency of the integral centrifugal fan during working are improved, then the switch of the centrifugal motor 14 can be turned on, the centrifugal motor 14 drives the air impeller 11 to rotate at a high speed through the transmission rod 15, centrifugal suction force generated by the air inlet is enabled to finish air suction and supply work of the centrifugal fan, then in the air suction and supply process, the rotating speed of the centrifugal motor 14 can be directly adjusted through the air inlet groove 16 and the air inlet block 17 without adjusting the rotating speed of the centrifugal motor 14 according to the current use condition, the integral air quantity of the centrifugal fan is controlled, the integral application range of the device is enlarged, finally, after the installation, the use and other works of the integral centrifugal fan are finished according to the operation, the switch of the centrifugal motor 14 is turned off, and if the centrifugal motor 14 is not used for a long time, the external power supply is cut off, and the type of the centrifugal motor 14 is as follows: BL2832, this centrifugal fan with wind-guiding ring's operation is accomplished just like this.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (6)
1. A centrifugal fan with wind-guiding ring, its characterized in that: comprising
The centrifugal fan main body (1) is used for bearing an induced draft air supply assembly;
The front shell (5) is arranged outside the centrifugal fan main body (1) and used for connecting and installing the centrifugal fan main body (1), the fixing bolt (6) penetrates through the outer part of the front shell (5), one end of the fixing bolt (6) is movably connected with the outer positioning ring (7), the air guide ring body (8) is fixedly arranged inside the outer positioning ring (7), the damping reset rod (9) is fixedly arranged inside the front shell (5), and an embedded ring (10) is fixedly arranged at one end of the damping reset rod (9);
The fan impeller (11) is arranged in the centrifugal fan main body (1) and used for blowing the sucked air, the fastening bolt (12) penetrates through the fan impeller (11), and one end of the fastening bolt (12) is movably connected with the connecting sheet (13).
2. A centrifugal fan with an air guiding ring according to claim 1, characterized in that: the centrifugal fan comprises a centrifugal fan body (1), wherein a base (2) is fixedly arranged at the bottom of the centrifugal fan body (1), a positioning groove (3) is formed in the upper portion of the base (2), and a positioning bolt (4) is fixedly arranged in the positioning groove (3).
3. A centrifugal fan with an air guiding ring according to claim 1, characterized in that: the number of the damping reset rods (9) is eight, and the eight damping reset rods (9) are distributed on the front machine shell (5) at equal intervals.
4. A centrifugal fan with an air guiding ring according to claim 1, characterized in that: the centrifugal fan is characterized in that a centrifugal motor (14) is fixedly arranged outside the centrifugal fan body (1), and the output end of the centrifugal motor (14) is fixedly connected with a transmission rod (15).
5. A centrifugal fan with an air guiding ring according to claim 1, characterized in that: the centrifugal fan is characterized in that an air port groove (16) is formed in the centrifugal fan body (1), an air port block (17) is movably connected in the air port groove (16), and an air port baffle (18) is fixedly arranged at one end of the air port block (17).
6. The centrifugal fan with the air guide ring according to claim 5, wherein: the air port baffle (18) is movably connected with the centrifugal fan main body (1), and the air port groove (16) is matched with the air port block (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420535143.1U CN222067184U (en) | 2024-03-19 | 2024-03-19 | Centrifugal fan with wind-guiding ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420535143.1U CN222067184U (en) | 2024-03-19 | 2024-03-19 | Centrifugal fan with wind-guiding ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222067184U true CN222067184U (en) | 2024-11-26 |
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ID=93541343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420535143.1U Active CN222067184U (en) | 2024-03-19 | 2024-03-19 | Centrifugal fan with wind-guiding ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222067184U (en) |
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- 2024-03-19 CN CN202420535143.1U patent/CN222067184U/en active Active
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