CN222121882U - Centrifugal fan spiral case - Google Patents
Centrifugal fan spiral case Download PDFInfo
- Publication number
- CN222121882U CN222121882U CN202420491875.5U CN202420491875U CN222121882U CN 222121882 U CN222121882 U CN 222121882U CN 202420491875 U CN202420491875 U CN 202420491875U CN 222121882 U CN222121882 U CN 222121882U
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- Prior art keywords
- mounting
- block
- mounting block
- centrifugal fan
- volute
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- 238000009434 installation Methods 0.000 abstract description 45
- 238000009792 diffusion process Methods 0.000 abstract description 43
- 230000006978 adaptation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 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
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
本实用新型涉及离心风机领域，尤其涉及一种离心风机蜗壳，蜗壳的内部设置有离心风机组件，蜗壳的出风口处设置有安装座，安装座外侧的下方固定设置有下安装块，下安装块的上方转动设置有上安装块；扩散筒组件上设置有安装件，安装件适配安装在安装座上，下安装块和上安装块的内部均开设有安装腔，并且安装腔与扩散筒组件和安装件适配。本实用新型中，扩散筒组件通过安装件安装在安装座上，通过下安装块和上安装块内的安装腔的设置，可以对安装件和扩散筒组件进行卡设，并配合限位件和限位块之间的卡设，可以快速的完成对扩散筒组件的安装，从而方便用户后续对扩散筒组件进行拆装检修。
The utility model relates to the field of centrifugal fans, and in particular to a centrifugal fan volute, wherein a centrifugal fan assembly is arranged inside the volute, a mounting seat is arranged at the air outlet of the volute, a lower mounting block is fixedly arranged below the outer side of the mounting seat, and an upper mounting block is rotatably arranged above the lower mounting block; a mounting piece is arranged on the diffusion tube assembly, and the mounting piece is adapted to be mounted on the mounting seat, and mounting cavities are provided inside the lower mounting block and the upper mounting block, and the mounting cavity is adapted to the diffusion tube assembly and the mounting piece. In the utility model, the diffusion tube assembly is mounted on the mounting seat through the mounting piece, and the mounting piece and the diffusion tube assembly can be clamped by setting the mounting cavities in the lower mounting block and the upper mounting block, and the installation of the diffusion tube assembly can be quickly completed by cooperating with the clamping between the limit piece and the limit block, so as to facilitate the user to disassemble, assemble and repair the diffusion tube assembly later.
Description
Technical Field
The utility model relates to the technical field of centrifugal fans, in particular to a centrifugal fan volute.
Background
Centrifugal fans are an important fluid machine that relies on input mechanical energy to raise the pressure of the gas and discharge the gas. The working principle of the centrifugal fan is mainly based on the principle that kinetic energy is converted into potential energy. The pressure generation and the gas discharge make the centrifugal fan have wide application in the fields of ventilation, dust removal, cooling and the like.
When the air outlet of the centrifugal fan is directly exposed to the atmosphere without connecting a pipeline, a diffusion cylinder is usually arranged at the air outlet of the fan. The pressure loss and air flow disturbance can be avoided, and the working efficiency of the fan is improved. The diffusion cylinder is typically connected to the air outlet of the centrifugal fan by a flange. The connection mode can ensure firm and stable connection between the diffusion cylinder and the fan, and can bear certain wind pressure and vibration.
However, the connection mode is very troublesome in disassembly and assembly, needs to consume a great deal of time, and is not beneficial to the follow-up disassembly, assembly and maintenance of the diffusion cylinder on the centrifugal fan volute by a user.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a centrifugal fan volute.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The centrifugal fan volute comprises a volute body and a diffusion barrel assembly, wherein the centrifugal fan assembly is arranged in the volute body, an installation seat is arranged at an air outlet of the volute body, a lower installation block is fixedly arranged below the outer side of the installation seat, an upper installation block is rotatably arranged above the lower installation block, an installation piece is arranged on the diffusion barrel assembly and is adapted to be installed on the installation seat, installation cavities are formed in the lower installation block and the upper installation block, and the installation cavities are adapted to the diffusion barrel assembly and the installation piece.
In addition, the installation cavity in the upper installation block and the installation cavity in the lower installation block are matched and spliced, and the diffusion barrel assembly and the installation piece are clamped in the installation cavity after the splicing is completed.
In addition, it is preferable that the top of the mounting base is provided with a rotation hinge, and the upper mounting block is rotatably mounted in front of the mounting base through the rotation hinge.
In addition, the preferable structure is that the both sides of going up the installation piece all are provided with the stopper downwards to the both sides of lower installation piece all correspond the stopper adaptation and are provided with the locating part.
In addition, the preferred structure is, the top and the one side of locating part inwards have seted up the cavity, and the cavity intercommunication that its was seted up to the cavity and locating part adaptation.
In addition, the preferred structure is, inwards insert in the outside of locating part is equipped with the screw, and when the stopper was located the cavity in the locating part, the screw was in order to pass the locating part, and the stopper gets into in the installation piece down.
The diffusion barrel assembly has the beneficial effects that the diffusion barrel assembly is arranged on the mounting seat through the mounting piece, the mounting piece and the diffusion barrel assembly can be clamped through the arrangement of the mounting cavities in the lower mounting block and the upper mounting block, and the diffusion barrel assembly can be quickly mounted by matching with the clamping between the limiting piece and the limiting block, so that a user can conveniently and subsequently disassemble, assemble and overhaul the diffusion barrel assembly.
Drawings
Fig. 1 is a schematic structural view of a centrifugal fan volute according to the present utility model;
Fig. 2 is a schematic structural diagram of a centrifugal fan volute at a mounting seat according to the present utility model;
FIG. 3 is a schematic illustration of the diffusion barrel assembly of FIG. 2 with the diffusion barrel assembly removed;
Fig. 4 is a schematic structural diagram of the centrifugal fan volute of the present utility model when the lower mounting block, the upper mounting block and the diffusion cylinder assembly are separated.
In the figure, a volute casing 1, a centrifugal fan assembly 11, a mounting seat 2, a mounting cavity 30, a lower mounting block 3, an upper mounting block 31, a rotary hinge 4, a diffusion cylinder assembly 5, a mounting piece 51, a limiting piece 6, a limiting piece 7 and a screw 8 are arranged.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, a centrifugal fan volute comprises a volute 1 and a diffusion barrel assembly 5, wherein a centrifugal fan assembly 11 is arranged in the volute 1, an installation seat 2 is arranged at an air outlet of the volute 1, a lower installation block 3 is fixedly arranged below the outer side of the installation seat 2, an upper installation block 31 is rotatably arranged above the lower installation block 3, an installation piece 51 is arranged on the diffusion barrel assembly 5, the installation piece 51 is adaptively installed on the installation seat 2, installation cavities 30 are respectively formed in the lower installation block 3 and the upper installation block 31, and the installation cavities 30 are adaptive to the diffusion barrel assembly 5 and the installation piece 51. Notably, the centrifugal fan assembly 11 is located inside the housing 1, and the diffusion cartridge assembly 5 is mounted at the outlet of the volute 1. The specific structures of the centrifugal fan assembly 11 and the diffusion barrel assembly 5 and the working modes thereof are all in the prior art, and do not belong to the main technical characteristics in the technical scheme, so that redundant description is omitted.
Wherein, the installation cavity 30 in the upper installation block 31 and the lower installation block 3 are matched and spliced, and the diffusion barrel assembly 5 and the installation piece 51 are clamped in the installation cavity 30 after the splicing is completed. By splicing the upper mounting block 31 with the lower mounting block 3, the diffusion barrel assembly 5 and the mounting piece 51 can be clamped in the mounting cavity 30, and the diffusion barrel assembly 5 can be mounted.
Wherein, the top of mount pad 2 is provided with swivel hinge 4 to upper mounting block 31 is installed in the place ahead of mount pad 2 through swivel hinge 4 rotation. By the provision of the swivel hinge 4, the upper mounting block 3 can be made rotatable.
Wherein, both sides of the upper mounting block 31 are downward provided with limiting blocks 7, and both sides of the lower mounting block 3 are provided with limiting pieces 6 corresponding to the limiting blocks 7 in an adapting manner. The top and one side of the limiting piece 6 are both inwards provided with cavities, the cavities are communicated, and the cavities are matched with the limiting piece 6. Through the adaptation setting between locating part 6 and the stopper 7 for when last installation piece 31 rotates to the top of lower installation piece 3, can fix the concatenation to it.
Wherein, the outside of locating part 6 inwards inserts and is equipped with screw 8, and when stopper 7 was located the cavity in locating part 6, screw 8 was in order to pass locating part 6 and stopper 7 get into in the lower installation piece 3 in proper order. Through the setting of screw 8, can establish stopper 7 card in the inside cavity of locating part 6 to can accomplish the concatenation between last installation piece 31 and the lower installation piece 3.
In this embodiment, when the user needs to install the diffusion barrel assembly 5, the upper mounting block 31 may be lifted up by the swivel hinge 4, and the mounting member 51 on the diffusion barrel assembly 5 is placed in the mounting cavity 30 in the lower mounting block 3. The upper mounting block 31 is then replaced on the lower mounting block 3, and the diffusion cylinder assembly 5 is then snapped through the mounting cavity 30.
When the upper mounting block 31 rotates to the upper side of the lower mounting block 3, the limiting blocks 7 on two sides of the upper mounting block 31 are automatically inserted into the cavities formed in the limiting pieces 6 on two sides of the lower mounting block 3. The user then simply inserts the screw 8 into the stop 6. The screw 8 sequentially passes through the limiting piece 6 and the limiting piece 7 to enter the lower mounting block 3, so that the diffusion barrel assembly 5 can be mounted. When the user needs to detach the diffusion barrel assembly 5, the screw 8 is detached, and then the mounting block 31 is turned over and the diffusion barrel assembly 5 is taken out. It should be noted that, the contact parts between the mounting piece 51 and the mounting seat 2 on the diffusion barrel assembly 5 are provided with sealing pieces, so as to ensure the tightness after the diffusion barrel assembly 5 is mounted.
According to the utility model, the diffusion barrel assembly 5 is arranged on the mounting seat 2 through the mounting piece 51, the mounting piece 51 and the diffusion barrel assembly 5 can be clamped through the arrangement of the mounting cavities 30 in the lower mounting block 3 and the upper mounting block 31, and the diffusion barrel assembly 5 can be quickly mounted by matching the clamping between the limiting piece 6 and the limiting block 7, so that a user can conveniently and conveniently disassemble, assemble and overhaul the diffusion barrel assembly 5.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420491875.5U CN222121882U (en) | 2024-03-14 | 2024-03-14 | Centrifugal fan spiral case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420491875.5U CN222121882U (en) | 2024-03-14 | 2024-03-14 | Centrifugal fan spiral case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222121882U true CN222121882U (en) | 2024-12-06 |
Family
ID=93671355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420491875.5U Active CN222121882U (en) | 2024-03-14 | 2024-03-14 | Centrifugal fan spiral case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222121882U (en) |
-
2024
- 2024-03-14 CN CN202420491875.5U patent/CN222121882U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |