Modularized combined fan box

The modular design of the fan box, using a square frame and U-shaped steel flange connection, solves the problem of material waste, improves material utilization and reduces production costs, and enhances processing efficiency and panel versatility.

CN223594529UActive Publication Date: 2025-11-25SHANDONG GRAD GROUP
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Patent Information

Application Number
CN202423212589.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-11-25
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

The current fan box manufacturing process suffers from low material utilization, high costs, and significant waste in panel manufacturing, making it difficult to improve product cost-effectiveness.

Method used

The modular fan box is designed with a square or rectangular frame structure. The frame consists of horizontal and vertical bars. The panels are interchangeable and can be assembled. The direction of the air inlet and outlet is adjustable. It is connected using U-shaped steel flanges and sealing plates. The interior is equipped with a motor support frame and a support frame to fix the fan.

Benefits of technology

Material utilization is greatly improved, production costs are reduced, processing efficiency is improved, panel versatility is enhanced, air inlet and outlet directions can be adjusted arbitrarily, and the probability of errors is reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a modularized combined fan box which comprises a frame of a square structure, the frame is formed by combining horizontal rods, vertical rods and corner pieces, and the horizontal rods and the vertical rods are arranged in a U-shaped bent structure. The frame forms an upper surface, a lower surface, a front surface and a rear surface, and a plurality of plugging plates are inserted into each surface; flanges are arranged on the left side and the right side of the frame respectively and riveted with the frame. Supporting rods are arranged in the modular combined fan box and used for fixing a fan. A support frame is arranged at the bottom of the frame; the plugging plate is composed of a plate body and a bent reinforcing part. Through the structural arrangement, the material utilization rate is greatly improved, the cost is effectively reduced, and the machining efficiency is greatly improved; the universality of the panel is improved, the directions of air inlets and air outlets can be freely adjusted, and the error probability is greatly reduced; the air inlet and outlet flange blanking and assembling efficiency is improved, the raw material utilization rate is improved, and the production cost is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of fan technology, and in particular to a modular combined fan box, which is suitable for ventilation systems in industrial and civil buildings. Background Technology

[0002] As is well known, fan boxes are widely used in ventilation and exhaust systems of various civil buildings, industrial and mining enterprises, stadiums, shopping malls, office buildings, and other buildings, or as fire smoke extraction equipment in special circumstances. Fan boxes are divided into axial flow and centrifugal types. Generally, fan boxes can be installed in indoor or outdoor ventilation and air exchange locations.

[0003] Currently, most wind turbine enclosures adopt a frame structure, with panels assembled around the frame. The panels are typically made by cutting a single sheet of galvanized steel, bending it, and then assembling the panel with the frame to form a complete enclosure. While this existing approach meets practical needs, the use of a single sheet of galvanized steel for panel production means that scraps are generally unusable and treated as waste, resulting in significant raw material waste, high costs, and hindering product competitiveness.

[0004] To address these shortcomings, it is essential for those skilled in the art to design a modular combined fan box. The aim is to improve material utilization, reduce product manufacturing costs, and enhance product cost-effectiveness. Utility Model Content

[0005] To address the existing technical challenges in manufacturing fan housings, a structural improvement of the frame housing was designed. The panel structure was modularized, and the frame structure was changed from a cuboid to a cube. This allows the side panels and top and bottom panels to be interchanged and assembled, and the air inlet and outlet directions can be adjusted arbitrarily, resulting in higher versatility and significantly improved material utilization during panel manufacturing.

[0006] The technical solution adopted by this utility model to solve its technical problem is:

[0007] A modular combined fan box includes a frame, which is composed of horizontal bars, vertical bars, and corner pieces. The frame has a square structure. Both the horizontal bars and vertical bars are bent. The frame has four sides: top, bottom, front, and back. Several sealing plates are inserted into each side. Flanges are provided on the left and right sides of the frame and are riveted to the frame.

[0008] The modular combined fan box is equipped with a horizontal motor support frame inside, which is used to fix the fan.

[0009] The bottom of the frame is provided with a support frame, which is combined by a support transverse beam and a support longitudinal beam.

[0010] The support transverse beam or the support longitudinal beam is provided with an extension edge, and the extension edge is provided with a vertical positioning hole and a ground locking.

[0011] The frame is provided in a rectangular structure or a square structure, and the square structure is preferred in the utility model.

[0012] The flange is combined by a transverse end rod and a vertical end rod, the transverse end rod and the vertical end rod are both U-shaped steel, the transverse end rod and the vertical end rod are combined by being inserted at the head and tail, each U-shaped steel is provided with an insertion groove and an insertion protrusion, and the insertion protrusion is bent to be fixed after being inserted into the insertion groove.

[0013] The length of the side, which is in contact with the frame, of the U-shaped steel is longer than the length of the outer side.

[0014] The sealing plate comprises a plate body, and the plate body is provided with a bending reinforcement part, and the strength is increased through the bending reinforcement part.

[0015] In conclusion, the utility model has the advantages of:

[0016] The utility model discloses a frame of square structure, and the frame is combined by horizontal rods and vertical rods and corner pieces, the horizontal rods and the vertical rods are both provided in a U-shaped bending structure, the frame forms four upper and lower and front and back surfaces, a plurality of sealing plates are inserted and arranged on each surface, flanges are arranged on the left and right sides of the frame and are riveted with the frame, support rods are arranged in the inside of the modular combined fan box for fixing the fan, a support frame is arranged at the bottom of the frame, and the sealing plate is composed of a plate body and a bending reinforcement part. Through the above structure, 1. material utilization rate is greatly improved, cost is effectively reduced, and processing efficiency is greatly improved, 2. the general degree of the panel is improved, the direction of the air inlet and outlet can be adjusted at will, and the error probability is greatly reduced, 3. the flanges of the air inlet and outlet are improved in blanking and assembling efficiency, the utilization rate of raw materials is improved, and the production cost is reduced. ACCURACY

[0017] The utility model is further illustrated below in combination with the drawings and the embodiments,

[0018] Figure 1 It is a three-dimensional structure schematic view of the modular combined fan box.

[0019] Figure 2 It is a side view structure schematic view of the modular combined fan box.

[0020] Figure 3 It is a front view structure schematic view of the modular combined fan box.

[0021] Figure 4 This is a rear view structural diagram of the modular combined fan box;

[0022] Figure 5 This is a top view of the modular combined fan box.

[0023] Figure 6 This is a schematic diagram of the three-dimensional structure of the sealing plate;

[0024] Figure 7 This is a schematic diagram of the flange's main structural view;

[0025] Figure 8 This is a side view schematic diagram of the U-shaped steel plug-in structure;

[0026] Figure 9 This is a schematic diagram of the main sectional view of the U-shaped steel structure.

[0027] Figure 10 This is a side view diagram of the U-shaped steel structure.

[0028] In the diagram: 1. Flange, 11. Horizontal end bar, 12. Vertical end bar, 13. Insertion slot, 14. Insertion protrusion, 2. Horizontal bar, 3. Vertical bar, 4. Support frame, 41. Support longitudinal beam, 42. Support transverse beam, 43. Extension edge, 44. Vertical positioning hole, 5. Motor horizontal support frame, 6. Fan, 7. Angle bracket, 8. Sealing plate, 81. Plate body, 82. Bending reinforcement part. Detailed Implementation

[0029] The present invention will be described in detail below through specific embodiments. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. However, it should be noted that the specific embodiments described below do not limit the technical solution. Those skilled in the art can make further technical extensions under the guidance of the following technical solutions. The scope of protection of this patent application is determined by the claims.

[0030] like Figure 1 The illustrated modular combined fan box includes a frame composed of horizontal rods 2, vertical rods 3, and corner brackets. The corner brackets are corner braces 7. The frame has a square structure; this square structure can be rectangular or square, but a square structure is preferred in this invention. This design allows the horizontal rods 2 and vertical rods 3 to be of equal length. Both the horizontal rods 2 and vertical rods 3 employ a U-shaped bending structure. The frame forms four sides (top, bottom, front, and back), each with several sealing plates 8 inserted into it. Figure 6As shown, the sealing plate 8 comprises a plate body 81, and bending reinforcing portions 82 are arranged at left and right ends of the plate body 81, and the bending reinforcing portions 82 increase the overall strength of the sealing plate 8.

[0031] The above structure is provided, the sealing plate 8 adopts a modular design concept, the original whole panel is changed into small panels of the same size, and then is assembled into shape, material utilization rate is greatly improved when the sealing plate is manufactured, can be manufactured by using a coiled plate, the width is fixed, and the length is cut according to needs, so that the processing efficiency is also greatly improved.

[0032] The left and right sides of the frame are respectively provided with flanges 1, the flanges 1 are riveted with the frame, and Figures 7-10 As shown, the flanges are transverse end rods 11 and vertical end rods 12 in plug-in combination, the transverse end rods 11 and the vertical end rods 12 are all U-shaped steel, plug-in combination is achieved between the transverse end rods 11 and the vertical end rods 12, each U-shaped steel is provided with a plug-in groove 13 and a plug-in protrusion 14, and the plug-in protrusion 14 is fixed after being plugged into the plug-in groove 13 and being bent. The disclosed flange 1 adopts a socket type connecting structure, can be composed of four U-shaped steels which are completely the same, can select a plate raw material, adopts a semi-automatic punch press to cut the material, has high material utilization rate, and has high production speed. In the production, the air port flange assembly of the utility model is more convenient than riveting in the prior art, two persons are needed to cooperate in the prior art, and riveting equipment is used to complete, one person can realize plug-in operation in the optimized utility model, and the operation can be completed by using a small hammer to knock and close, labor cost is saved, and efficiency is also improved.

[0033] Further, in order to improve the fixing strength of the flange, the length of the side of the U-shaped steel in contact with the frame is longer than the length of the outer side, and the structure facilitates rivet locking.

[0034] The utility model discloses a motor horizontal support frame 5 is arranged in the modular combination fan case, and the fixation of fan 6 is realized through motor horizontal support frame 5.

[0035] The bottom of the frame is provided with a support frame 4, and the support frame 4 is composed of a support cross beam 41 and a support longitudinal beam 42. The support cross beam 41 or the support longitudinal beam 42 is provided with an extension edge 43, and the extension edge 43 is provided with a vertical positioning hole 44 and is locked with the ground, so that the fixation of the modular combination fan case is realized.

[0036] The utility model has the advantages that: material utilization rate is greatly promoted, cost is effectively reduced, processing efficiency is greatly improved; the general degree of panel is improved, the direction of air inlet and air outlet can be adjusted at will, the error probability is greatly reduced; the flange blanking of air inlet and air outlet, assembly efficiency is improved, the utilization rate of raw materials is improved, the production cost is reduced.

Claims

1. A modularized combined fan-coil unit, characterized by: Include the frame, the frame is combined by horizontal rods and vertical rods and corner pieces, the frame is square structure setting, the horizontal rods and vertical rods are all set as bending structure, the frame forms four upper and lower and front and back surfaces, each surface is provided with several sealing plates, the left and right sides of the frame are respectively provided with flanges, the flanges are riveted with the frame; The motor horizontal support frame is arranged in the modularized combined fan box, and the fan is fixed through the motor horizontal support frame. The bottom of the frame is provided with a support frame, and the support frame is combined by a support cross beam and a support longitudinal beam.

2. A modular fan unit as claimed in claim 1, wherein: The support cross beam or the support longitudinal beam is provided with an extension edge, and the extension edge is provided with a vertical positioning hole and a ground locking.

3. The modular fan box of claim 1, wherein: The frame is set as a rectangular structure or a square structure.

4. The modular fan box of claim 1, wherein: The flange is combined by a horizontal end rod and a vertical end rod, the horizontal end rod and the vertical end rod are all U-shaped steel, the horizontal end rod and the vertical end rod are combined at the head and tail, each U-shaped steel is provided with an insertion groove and an insertion protrusion, the insertion protrusion is bent to be fixed after being inserted into the insertion groove.

5. A modular fan-coil unit as claimed in claim 4, wherein: The length of the side of the U-shaped steel in contact with the frame is longer than the length of the outer side.

6. A modular fan box as claimed in claim 1, wherein: The sealing plate comprises a plate body, and the plate body is provided with a bending reinforcement part.