Supporting assembly for centrifugal fan

Abstract

The utility model relates to the technical field of centrifugal fan supporting assemblies, in particular to a supporting assembly for a centrifugal fan, which comprises a mounting plate and a plurality of supporting pipes fixedly connected onto the mounting plate, one end, far away from the mounting plate, of each supporting pipe is fixedly connected with a positioning head, and the positioning heads are used for being fixed with an air guide panel. The mounting plate is provided with a placement hole matched with the centrifugal fan, the mounting plate is provided with a plurality of mounting holes fixed with the centrifugal fan, the plurality of mounting holes are arranged around the placement hole, and the center lines of the plurality of mounting holes are distributed on a first circle. The center lines of the multiple positioning heads are distributed on the second circle, the first circle and the second circle are concentric, it is guaranteed that the centrifugal fan and the air guide panel are concentric during installation, the installation error between the air guide panel and the centrifugal fan is reduced, and it is guaranteed that the air guide panel guides air output by the output end of the centrifugal fan stably and reliably.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifugal fan support subassembly technical field especially is related to centrifugal fan support subassembly. BACKGROUND

[0002] Centrifugal fan is widely used in factory, mine, tunnel, cooling tower, vehicle, ship and building ventilation, dust removal and cooling, boiler and industrial furnace ventilation and air draft, air conditioning equipment and household appliance cooling and ventilation, grain drying and selection, wind tunnel air source and air cushion ship inflation and propulsion etc. SUMMARY

[0003] The utility model provides a centrifugal fan support subassembly to solve the technical problem that the existing centrifugal fan, air deflector panel and support pipe subassembly between the mounting structure, due to the bending error of support pipe and the installation error of air deflector panel later period etc.

[0004] The utility model discloses a centrifugal fan support subassembly, including mounting panel and fixedly connected with a plurality of support pipes on the mounting panel, the one end of each support pipe is fixedly connected with the positioning head, the positioning head is used for fixed with air deflector panel, the mounting panel has the placement hole that is matched with centrifugal fan, and the mounting hole that is fixed with centrifugal fan is seted up on the mounting panel, and the placement hole is surrounded by a plurality of mounting holes, and the center line of a plurality of mounting holes is distributed on the first circle, and the center line of a plurality of positioning heads is distributed on the second circle, and the first circle and the second circle concentric arrangement.

[0005] To ensure the concentricity of the support tube and the positioning head, in some preferred embodiments, a positioning hole is provided at the end of the support tube furthest from the mounting plate. The center lines of several positioning holes on the support tube are distributed on a second circle. The positioning head is provided with a positioning post that matches the positioning hole, and the positioning post is disposed within the positioning hole. By providing a positioning hole at one end of the support tube, with the center line of the positioning hole on the second circle, and providing a positioning post on the positioning head disposed within the positioning hole, the concentricity of the positioning head and the support tube is ensured.

[0006] To facilitate the fixing of the air guide panel and the positioning head, in some preferred embodiments, the positioning head is provided with studs, and the positioning holes on each support tube are concentrically arranged with the studs. The concentric arrangement of studs on the positioning head facilitates the installation and fixing of the air guide panel and the positioning head.

[0007] To facilitate the installation of the centrifugal fan, in some preferred embodiments, the mounting plate is provided with a positioning groove that matches the centrifugal fan, and the mounting hole and placement hole are located within the positioning groove. By providing a positioning groove on the mounting plate, the positioning groove serves to position the centrifugal fan, improving the installation efficiency of the centrifugal fan.

[0008] In some preferred embodiments, the support tube and the positioning head are welded together.

[0009] In some preferred embodiments, the mounting holes are evenly distributed along the first circular direction.

[0010] In some preferred embodiments, the positioning heads on the plurality of support tubes are evenly distributed along the second circular direction.

[0011] In some preferred embodiments, the support tube is welded and fixed to the mounting plate.

[0012] In some preferred embodiments, the support tube is fixedly connected to a reinforcing plate at its bend.

[0013] In some preferred embodiments, the reinforcing plate is welded and fixed to the support tube.

[0014] The beneficial effects of this utility model are as follows: When using the centrifugal fan support assembly of this utility model, by distributing the center lines of several mounting holes on a first circle and the center lines of several positioning heads on a second circle, with the first and second circles being concentric, the centrifugal fan and the air guide panel are ensured to be concentric during installation. This reduces the installation error between the air guide panel and the centrifugal fan, ensuring that the air guide panel guides the air output from the centrifugal fan output end stably and reliably. This avoids the problem in existing centrifugal fan, air guide panel and support pipe assembly installation structures where the bending error of the support pipe and the subsequent installation error of the air guide panel cause the air guide panel and the centrifugal fan impeller to be misconcentric, resulting in uneven air guidance and affecting air guidance efficiency. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0016] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0017] Figure 2 This is the front view of this utility model;

[0018] Figure 3 This is a top view of the present invention;

[0019] Figure 4 yes Figure 2 Sectional view of AA;

[0020] Figure 5 yes Figure 4 A magnified view of part B in the image;

[0021] Figure 6 This is a structural diagram of the present invention during assembly.

[0022] In the diagram: 1. Mounting plate, 2. Support tube, 3. Positioning head, 4. Air guide panel, 5. Placement hole, 6. Mounting hole, 7. First circle, 8. Second circle, 9. Positioning hole, 10. Positioning post, 11. Stud, 12. Positioning groove, 13. Reinforcing plate, 14. Centrifugal fan. Detailed Implementation

[0023] The present invention will be further described in detail below with reference to the embodiments:

[0024] This utility model is not limited to the following specific embodiments. Those skilled in the art can implement this utility model using various other specific embodiments based on the disclosed content. Any modifications or alterations to the design structure and concept of this utility model also fall within the protection scope of this utility model. It should be noted that, unless otherwise specified, the embodiments and features described in this utility model can be combined with each other.

[0025] In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0026] In the description of the utility model, it should be explained that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0027] As shown in Figures 1-6 A supporting assembly for centrifugal fan, including mounting plate 1 and four support tubes 2, the support tube 2 is four in the embodiment, of course, in addition to four, it can be three, five or more, the support tube 2 is fixedly welded between the mounting plate 1, the positioning head 3 is fixedly welded at the end of each support tube 2 away from the mounting plate 1, the positioning head 3 is used to be fixed with the air guide panel 4, the mounting plate 1 is provided with a placing hole 5, the placing hole 5 is matched with the centrifugal fan 14, the mounting plate 1 is provided with six mounting holes 6, the mounting hole 6 is used to be fixedly connected with the centrifugal fan 14, six mounting holes 6 in the embodiment, of course, in addition to six mounting holes 6, it can be three, four or five, at the same time, one end of the centrifugal fan 14 is provided with a mounting flange, the mounting flange is provided with six through holes, the six through holes and the six mounting holes 6 are one-to-one correspondence, the number of mounting holes 6 and the number of through holes are equal, the six mounting holes 6 are arranged around the placing hole 5, the center lines of the six mounting holes 6 are distributed on the first circle 7, the six mounting holes 6 are evenly distributed along the direction of the first circle 7, the center lines of the positioning heads 3 on the four support tubes 2 are distributed on the second circle 8, the positioning heads 3 on the four support tubes 2 are evenly distributed along the direction of the second circle 8, the first circle 7 and the second circle 8 are concentrically arranged.

[0028] The end of the support pipe 2 away from the mounting plate 1 is provided with a positioning hole 9, the positioning hole 9 on the support pipe 2 is completed by machining, the center lines of the four positioning holes 9 on the support pipe 2 are distributed on the second circle 8, the positioning head 3 is provided with a positioning column 10, the positioning column 10 is matched with the positioning hole 9, the positioning column 10 is arranged in the positioning hole 9, the positioning head 3 is provided with a stud 11, the positioning hole 9 on each support pipe 2 is arranged concentrically with the stud 11, in the embodiment, the air guide panel 4 is provided with a circular hole, the circular hole is arranged one by one with the stud 11, that is, there are four circular holes, one end of the stud 11 passes through the corresponding circular hole and is threadedly connected with a nut, so as to realize the fixed connection between the air guide panel 4 and the support pipe 2.

[0029] The mounting plate 1 is provided with a positioning groove 12 matched with the centrifugal fan 14, the mounting hole 6 and the placing hole 5 are located in the positioning groove 12.

[0030] The support pipe 2 is fixedly connected with a reinforcing plate 13 at the bending position, and the reinforcing plate 13 is welded and fixed on the support pipe 2.

[0031] The above-mentioned support assembly for the centrifugal fan is assembled as follows: firstly, the mounting flange at one end of the centrifugal fan 14 is placed in the positioning groove 12, the mounting hole 6 is matched with the through hole on the flange, then the centrifugal fan 14 is fixedly mounted on the mounting plate 1 by sequentially screwing and connecting, then the circular hole on the air guide panel 4 is placed on the corresponding stud 11, and then the air guide panel 4 and the support pipe 2 are fixedly connected by screwing the nut on the stud 11, so as to realize the fixation among the centrifugal fan 14, the support assembly and the air guide panel 4, and the assembly is completed, the first circle 7 and the second circle 8 are arranged concentrically, so that the centrifugal fan 14 assembled with the six mounting holes 6 on the first circle 7 and the air guide panel 4 assembled with the four positioning heads 3 on the second circle 8 are concentric, so as to realize stable and reliable air guiding.

[0032] The above-mentioned ideal embodiment according to the present application is an inspiration, through the above-mentioned description, relevant staff can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content in the specification, and must be determined according to the scope of claims.

Claims

1. A support assembly for a centrifugal fan, characterized by: The utility model provides a kind of centrifugal fan support structure, including mounting plate (1) and fixedly connected with several support tubes (2) on mounting plate (1), the one end of each support tube (2) away from mounting plate (1) is fixedly connected with positioning head (3), the positioning head (3) is used to be fixed with air deflector (4), the mounting plate (1) starts to have placement hole (5) matched with centrifugal fan (14), the mounting plate (1) is provided with several installation holes (6) fixed with centrifugal fan (14), several installation holes (6) are arranged around placement hole (5), and the center line of several installation holes (6) is distributed on first circle (7), and the center line of several positioning heads (3) on support tube (2) is distributed on second circle (8), and first circle (7) and second circle (8) are concentrically arranged.

2. The support assembly for a centrifugal fan of claim 1, wherein: The one end of support tube (2) away from mounting plate (1) is provided with positioning hole (9), and the center line of several positioning holes (9) on support tube (2) is distributed on second circle (8), positioning head (3) is provided with positioning column (10) matched with positioning hole (9), and positioning column (10) is arranged in positioning hole (9).

3. The support assembly for a centrifugal fan of claim 2, wherein: Screw column (11) is arranged on positioning head (3), and positioning hole (9) on each support tube (2) is concentrically arranged with screw column (11).

4. The support assembly for a centrifugal fan of claim 1, wherein: Mounting plate (1) is provided with positioning groove (12) matched with centrifugal fan (14), and installation hole (6) and placement hole (5) are located in positioning groove (12).

5. The support assembly for a centrifugal fan of claim 1, wherein: Support tube (2) and positioning head (3) are welded and fixed.

6. The support assembly for a centrifugal fan of claim 1, wherein: Several installation holes (6) are uniformly distributed along the direction of first circle (7).

7. The support assembly for a centrifugal fan of claim 1, wherein: Several positioning heads (3) on support tube (2) are uniformly distributed along the direction of second circle (8).

8. The support assembly for a centrifugal fan of claim 7, wherein: Support tube (2) and mounting plate (1) are welded and fixed.

9. The support assembly for a centrifugal fan of claim 1, wherein: Reinforcing plate (13) is fixedly connected at the bending position of support tube (2).

10. The support assembly for a centrifugal fan of claim 9, wherein: Reinforcing plate (13) is welded and fixed on support tube (2).

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