Combined air handling unit

Abstract

The utility model discloses a combined air handling unit, which relates to the technical field of air conditioning equipment and comprises a mixing box, one end of the mixing box is movably connected with a working box, the other end of the working box is movably connected with an air supply box, and the other end of the air supply box is movably connected with an air outlet box. Positioning blocks are symmetrically and fixedly connected to one ends of the working box, the air supply box and the air outlet box, positioning assemblies are symmetrically installed at the two ends of the positioning blocks, assembling blocks are symmetrically and fixedly connected to the two ends of the working box, the air supply box and the air outlet box, and fixing assemblies are symmetrically installed in the assembling blocks. By the adoption of the structure, installation of all the box bodies in the air handling unit can be completed without complex steps and tools, installation time and labor cost are greatly saved, when a certain box body needs to be maintained or replaced, an operator can easily detach the related box body, maintenance efficiency is improved, and the maintenance cost is reduced. And the maintenance cost is also reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to air conditioning equipment technical field, especially related to a combined air handling unit. BACKGROUND

[0002] The combined air handling unit is a new type of central air conditioning equipment, which adopts modular unit design concept and can complete air mixing, filtering, cooling or heating, humidifying or dehumidifying, noise reduction and air supply and other functions. The combined air handling unit itself does not have cold and heat source, but uses cold and hot water or steam as medium to complete various processing functions of air. These functions are realized through different functional sections, such as filtering section, heating section, cooling section, humidifying section and the like.

[0003] The utility model discloses a combined air handling unit for air conditioning equipment, including mixing box, working box, air supply box, air outlet box and filter mechanism, the working box is fixedly connected in the right side wall of mixing box through bolt, the air supply box is fixedly connected in the right side wall of working box through bolt, the air outlet box is fixedly connected in the right side wall of air supply box through bolt, the filter mechanism is fixedly connected in the inner chamber of mixing box and air outlet box through bolt, between the mixing box, the working box, the air supply box and the air outlet box are connected, this combined air handling unit for air conditioning equipment, the structure design is reasonable, can greatly reduce the energy consumption of air handling unit, saves resources, can improve the air quality after air handling unit handles air and discharges, avoids causing pollution to indoor air, is more environmental protection.

[0004] Although the above-mentioned utility model can greatly reduce the energy consumption of air handling unit, save resources, improve the air quality after air handling unit handles air and discharges, avoid causing pollution to indoor air and be more environmental protection, the mixing box, the working box, the air supply box and the air outlet box are connected by using fasteners such as bolts and nuts. These fasteners need to be removed and connected one by one when disassembling and installing, which increases the complexity and workload of disassembly and reinstallation. At the same time, bolt connection needs to use special tools such as wrench and screwdriver. If the tools do not match or are damaged, the efficiency of disassembly and installation will be affected. UTILITY MODEL CONTENTS

[0005] In view of the problems mentioned in the background art, the utility model aims to provide a combined air handling unit to solve the problem that the mixing box, the working box, the air supply box and the air outlet box are connected by using fasteners such as bolts and nuts. These fasteners need to be removed and connected one by one when disassembling and installing, which increases the complexity and workload of disassembly and reinstallation.

[0006] The above technical purpose of the utility model is realized through the following technical scheme:

[0007] A combined air handling unit, comprising a mixing box, one end of the mixing box is movably connected with a working box, the other end of the working box is movably connected with a supply air box, the other end of the supply air box is movably connected with an air outlet box, an air inlet is installed at the end of the mixing box away from the working box, an air return inlet is installed at the upper end of the mixing box, an air outlet is installed at the upper end of the air outlet box, positioning blocks are symmetrically fixed at one end of the working box, the supply air box and the air outlet box, positioning assemblies are symmetrically installed at both ends of the positioning blocks, assembly blocks are symmetrically fixed at both ends of the working box, the supply air box and the air outlet box, and fixing assemblies are symmetrically installed inside the assembly blocks.

[0008] The fixing assembly comprises a cavity, a second reset spring, a moving plate, a pressing block and a clamping block, the cavity is symmetrically formed in the assembly block, the second reset spring is symmetrically fixed at one end of the cavity, the moving plate is fixed at the other end of the second reset spring, the moving plate is slidably connected with the cavity, the pressing block and the clamping block are fixed at the end of the moving plate away from the second reset spring, the end of the pressing block and the clamping block away from the moving plate extends out of one end of the assembly block, fixing blocks are symmetrically fixed at both ends of the mixing box, the working box and the supply air box, an assembly slot is formed at one end of the fixing block, the assembly slot is inserted with the assembly block, clamping slots are symmetrically formed at both ends of the assembly slot, and the clamping slots are clamped with the clamping blocks, so that the installation of the air handling unit can be completed without complicated steps and tools, the installation time and labor cost are greatly saved, when a certain box needs to be maintained or replaced, the related box can be easily disassembled by the operator, without complicated disassembly work, the maintenance efficiency is improved, and the maintenance cost is reduced.

[0009] As a preferred technical scheme, the positioning assembly comprises an embedded hole, a first reset spring and a positioning column, the embedded hole is symmetrically formed at both ends of the positioning block, the first reset spring is fixed at one end of the embedded hole, the positioning column is fixed at the other end of the first reset spring, the positioning column is slidably connected with the embedded hole, the end of the positioning column away from the first reset spring extends out of one end of the positioning column and is provided as an arc surface, positioning slots are symmetrically formed at one end of the mixing box, the working box and the supply air box, the positioning block is inserted with the positioning slot, positioning holes are symmetrically formed at both ends of the positioning slot, and the positioning holes are clamped with the positioning column, so that the accurate positioning of the boxes during the installation process can be ensured, the performance and efficiency of the air handling unit are improved, the air in the unit can be fully treated and mixed, the connection strength and stability between the boxes are enhanced, and the air handling unit can maintain a good running state for a long time.

[0010] As a preferred technical solution, the working box, the air supply box and the air outlet box are symmetrically and fixedly connected with guide columns near the chamfers, the mixing box, the working box and the air supply box are symmetrically provided with guide grooves near the chamfers, the guide columns are inserted into the guide grooves, the guide columns and the guide grooves can quickly and accurately position the boxes during installation, and the structural characteristics can enhance the connection strength between the boxes, so that the boxes are prevented from displacement or deformation due to vibration or external force during operation of the unit, thereby improving the overall stability of the unit.

[0011] As a preferred technical solution, the air inlet, the air return and the air outlet are provided with mounting grooves at one end, mounting frames are movably connected in the mounting grooves, and dust screens are fixedly connected in the mounting frames, so that suspended particulate matters, pollen, bacteria and other pollutants in the air can be filtered, the air quality entering the system is improved, and cleaner air is provided for the indoor environment.

[0012] As a preferred technical solution, magnetic attraction grooves are symmetrically provided at one end in the mounting grooves, and magnetic attraction blocks are symmetrically and fixedly connected at one end in the mounting frames, the magnetic attraction blocks are magnetically connected with the magnetic attraction grooves, so that the dust screens can be conveniently maintained by the operator, the dust screens can be regularly maintained to prevent dust and pollutants from accumulating on the dust screens, and the filtering effect of the dust screens can be maintained.

[0013] As a preferred technical solution, sealing gaskets are symmetrically and fixedly connected at the connection ends of the mixing box, the working box, the air supply box and the air outlet box, the sealing gaskets are in close contact with each other, the connection between the boxes can have good sealing performance, and the small gaps between the boxes can be effectively filled, so that the leakage of air and moisture is prevented.

[0014] In summary, the utility model mainly has the following beneficial effects:

[0015] Firstly, in the utility model, the pressing block is pressed, the moving plate drives the clamping block to move, the moving plate is pressed to the second return spring, the second return spring is compressed, the clamping block is retracted into the cavity, then the working box and the mixing box are combined, the assembly block is inserted into the assembly groove at one end of the fixed block, then the pressing block is released, the second return spring is restored, the moving plate rebounds to drive the clamping block to pop out, the clamping block is clamped with the clamping groove, the fixing of the working box and the mixing box is completed, the installation between the boxes in the air treatment unit can be completed without complex steps and tools, the installation time and labor cost are greatly saved, when a box needs to be maintained or replaced, the operator can easily disassemble the related box without complex disassembly work, the maintenance efficiency is improved, and the maintenance cost is reduced.

[0016] Second, in the utility model, the working box and the mixing box are combined, the guide column is inserted into the guide groove, and the positioning block is inserted into the positioning groove, in the process of insertion, the extrusion force is applied to the arc surface of one end of the positioning column, the positioning column is compressed to the first return spring, the positioning column is retracted into the built-in hole, then when the positioning column moves to the positioning hole, the first return spring resets, the positioning column pops out, the positioning column is clamped and fixed with the positioning hole, the positioning when the working box and the mixing box are combined is completed, the accurate positioning of the box bodies in the installation process can be ensured, the performance and efficiency of the air handling unit are helped to improve, the air in the unit can be fully treated and mixed, and the connection strength and stability between the box bodies are also enhanced, which helps to prolong the good running state of the air handling unit. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the three-dimensional structure schematic diagram of the mixing box of the utility model;

[0019] Figure 3 It is the sectional three-dimensional structure schematic diagram of the fixed assembly of the utility model;

[0020] Figure 4 It is the sectional three-dimensional structure schematic diagram of the positioning assembly of the utility model;

[0021] Figure 5 It is the three-dimensional structure schematic diagram of the dustproof net of the utility model.

[0022] Reference signs: 1, mixing box; 2, working box; 3, air supply box; 4, air outlet box; 5, air inlet; 6, air return; 7, air outlet; 8, guide column; 9, guide groove; 10, positioning block; 11, positioning groove; 12, positioning assembly; 121, built-in hole; 122, first return spring; 123, positioning column; 13, positioning hole; 14, fixed block; 15, assembly groove; 16, assembly block; 17, fixed assembly; 171, cavity; 172, second return spring; 173, moving plate; 174, press block; 175, clamping block; 18, clamping groove; 19, sealing washer; 20, mounting frame; 21, dustproof net; 22, magnetic attraction block; 23, magnetic attraction groove; 24, mounting groove. DETAILED DESCRIPTION

[0023] EMBODIMENT

[0024] REFERENCE Figures 1 to 5The combination air handling unit comprises a mixing box 1, one end of the mixing box 1 is movably connected with a working box 2, the other end of the working box 2 is movably connected with a supply air box 3, the other end of the supply air box 3 is movably connected with an air outlet box 4, the end, away from the working box 2, of the mixing box 1 is provided with an air inlet 5, the upper end of the mixing box 1 is provided with an air return 6, the upper end of the air outlet box 4 is provided with an air outlet 7, the end of the working box 2, the supply air box 3 and the air outlet box 4 is symmetrically fixedly connected with a positioning block 10, the two ends of the positioning block 10 are symmetrically provided with a positioning assembly 12, the two ends of the working box 2, the supply air box 3 and the air outlet box 4 are symmetrically fixedly connected with an assembly block 16, and the inside of the assembly block 16 is symmetrically provided with a fixing assembly 17.

[0025] The fixing assembly 17 comprises a cavity 171, a second reset spring 172, a moving plate 173, a pressing block 174 and a clamping block 175, the inside of the assembly block 16 is symmetrically provided with the cavity 171, one end of the inside of the cavity 171 is symmetrically fixedly connected with the second reset spring 172, the other end of the second reset spring 172 is fixedly connected with the moving plate 173, the moving plate 173 is in sliding connection with the inside of the cavity 171, the end, away from the second reset spring 172, of the moving plate 173 is fixedly connected with the pressing block 174 and the clamping block 175 respectively, the ends, away from the moving plate 173, of the pressing block 174 and the clamping block 175 extend out of one end of the assembly block 16 respectively, the two ends of the mixing box 1, the working box 2 and the supply air box 3 are symmetrically fixedly connected with a fixing block 14, one end of the fixing block 14 is provided with an assembly slot 15, the assembly slot 15 is in plug connection with the assembly block 16, the two ends of the inside of the assembly slot 15 are symmetrically provided with a clamping slot 18, the clamping slot 18 is in clamping connection with the clamping block 175, the pressing block 174 is pressed, the moving plate 173 drives the clamping block 175 to move, the moving plate 173 is pressed to the second reset spring 172, the second reset spring 172 is compressed, at the same time, the clamping block 175 is retracted into the inside of the cavity 171, then the working box 2 is combined with the mixing box 1, the assembly block 16 is inserted into the inside of the assembly slot 15 of one end of the fixing block 14, then the pressing block 174 is released, the second reset spring 172 is restored, the moving plate 173 rebounds to drive the clamping block 175 to pop out, the clamping block 175 is in clamping connection with the clamping slot 18, and the fixing of the working box 2 and the mixing box 1 is completed.

[0026] Reference Figure 4, The positioning assembly 12 comprises built-in holes 121, a first reset spring 122 and a positioning column 123, the built-in holes 121 are symmetrically arranged at two ends of the positioning block 10, the first reset spring 122 is fixedly connected to one end in the built-in hole 121, the other end of the first reset spring 122 is fixedly connected with the positioning column 123, the positioning column 123 is in sliding connection with the built-in hole 121, and the end, away from the first reset spring 122, of the positioning column 123 is extended out of one end of the positioning column 123 and is provided as an arc surface, the mixing box 1, the working box 2 and the air supply box 3 are symmetrically provided with positioning grooves 11 at one end, the positioning block 10 is inserted into the positioning groove 11, the built-in holes 121 are symmetrically provided at two ends in the positioning groove 11, the positioning holes 13 are in clamping connection with the positioning column 123, the working box 2 is combined with the mixing box 1, the positioning block 10 is inserted into the positioning groove 11, in the process of insertion, the extrusion force is applied to the arc surface at one end of the positioning column 123, so that the first reset spring 122 is compressed, the positioning column 123 is retracted into the built-in hole 121, then when the positioning column 123 moves to the positioning hole 13, the first reset spring 122 is reset, the positioning column 123 is popped out, the positioning column 123 is clamped and fixed with the positioning hole 13, and the positioning of the working box 2 and the mixing box 1 is completed.

[0027] With reference to Figure 2 and Figure 4 , the working box 2, the air supply box 3 and the air outlet box 4 are symmetrically fixedly connected with guide columns 8 at one end close to the chamfer, the mixing box 1, the working box 2 and the air supply box 3 are symmetrically provided with guide grooves 9 at one end close to the chamfer, and the guide column 8 is in insertion with the guide groove 9, the working box 2 is combined with the mixing box 1, and the guide column 8 is inserted into the guide groove 9.

[0028] With reference to Figure 2 and Figure 5 , the air inlet 5, the air return 6 and the air outlet 7 are provided with mounting grooves 24 at one end, the mounting grooves 24 are movably connected with mounting frames 20, the mounting frames 20 are fixedly connected with dust screens 21,

[0029] The dust screen 21 can effectively intercept large particles in the air, such as dust, skin flakes and insects, thereby reducing the burden of the subsequent filter, prolonging the service life of the air handling unit, reducing the amount of dust entering the system, avoiding frequent replacement or cleaning of the filter due to blockage, and reducing the maintenance cost.

[0030] With reference to Figure 2 and Figure 5 , the mounting grooves 24 are symmetrically provided with magnetic attraction grooves 23 at one end, the mounting frames 20 are symmetrically fixedly connected with magnetic attraction blocks 22 at one end, the magnetic attraction blocks 22 are in magnetic attraction connection with the magnetic attraction grooves 23, the mounting frame 20 is pulled outward, the mounting frame 20 is connected with the dust screen 21 and taken out from the mounting groove 24, and meanwhile the magnetic attraction blocks 22 are out of magnetic attraction connection with the magnetic attraction grooves 23.

[0031] Reference Figure 2 The connecting ends of the mixing box 1, the working box 2, the air supply box 3 and the air outlet box 4 are symmetrically and fixedly connected with sealing washers 19, and the sealing washers 19 are in close contact with each other. The sealing washers 19 can ensure that the connecting positions between the box bodies have good sealing performance and can effectively fill the small gaps between the box bodies, thereby preventing air and moisture from leaking.

[0032] The use principle and advantages are as follows: first, press the press block 174, so that the moving plate 173 drives the clamping block 175 to move, the moving plate 173 is pressed to the second reset spring 172, the second reset spring 172 is compressed, and the clamping block 175 is retracted into the cavity 171, then the working box 2 is combined with the mixing box 1, the assembly block 16 is inserted into the assembly groove 15 at one end of the fixed block 14, and the positioning block 10 is inserted into the positioning groove 11, in the process of insertion, the extrusion force presses the arc surface at one end of the positioning column 123, so that the positioning column 123 compresses the first reset spring 122, the positioning column 123 is retracted into the built-in hole 121, then when the positioning column 123 moves to the positioning hole 13, the first reset spring 122 resets, the positioning column 123 pops out, and the positioning column 123 is clamped and fixed with the positioning hole 13, then the press block 174 is released, the second reset spring 172 is restored, the moving plate 173 rebounds to drive the clamping block 175 to pop out, the clamping block 175 is clamped with the clamping groove 18, the fixing of the working box 2 and the mixing box 1 is completed, the air supply box 3 and the air outlet box 4 are installed in turn, and the installation of the air treatment unit is completed.

[0033] The air treatment unit can be installed between the various box bodies without complex steps and tools, the installation time and labor cost are greatly saved, when a box body needs to be maintained or replaced, an operator can easily disassemble the related box body without complex disassembly work, the maintenance efficiency is improved, and the maintenance cost is reduced.

Claims

1. A packaged air handling unit comprising a mixing box (1), characterized in that: The mixing box (1) one end is movably connected with the working box (2), the other end of the working box (2) is movably connected with the air supply box (3), the other end of the air supply box (3) is movably connected with the air outlet box (4), the mixing box (1) is installed with the air inlet (5) away from the working box (2), the mixing box (1) is installed with the air return (6) on the upper end, the air outlet box (4) is installed with the air outlet (7) on the upper end, the working box (2), the air supply box (3) and the air outlet box (4) one end are fixedly connected with the positioning block (10), the positioning block (10) both ends are symmetrically installed with the positioning assembly (12), the working box (2), the air supply box (3) and the air outlet box (4) both ends are fixedly connected with the assembly block (16), the assembly block (16) is symmetrically installed with the fixed assembly (17) inside, The fixed assembly (17) includes a cavity (171), a second reset spring (172), a moving plate (173), a press block (174) and a clamping block (175), the assembly block (16) is symmetrically provided with a cavity (171) inside, the cavity (171) is fixedly connected with a second reset spring (172) inside one end, the second reset spring (172) is fixedly connected with a moving plate (173) on the other end, the moving plate (173) is slidably connected with the cavity (171) inside, the moving plate (173) is fixedly connected with a press block (174) and a clamping block (175) on the other end away from the second reset spring, the press block (174) and the clamping block (175) extend out of the assembly block (16) on the other end away from the moving plate (173).

2. The packaged air handling unit of claim 1, wherein: The mixing box (1), the working box (2) and the air supply box (3) both ends are fixedly connected with the fixed block (14), the fixed block (14) one end is provided with an assembly slot (15), the assembly slot (15) is inserted with the assembly block (16), the assembly slot (15) is symmetrically provided with a clamping slot (18) inside, the clamping slot (18) is clamped with the clamping block (175).

3. The packaged air handling unit of claim 1, wherein: The positioning assembly (12) includes an inner hole (121), a first reset spring (122) and a positioning column (123), the positioning block (10) is symmetrically provided with an inner hole (121) on both ends, the inner hole (121) is fixedly connected with a first reset spring (122) inside one end, the first reset spring (122) is fixedly connected with a positioning column (123) on the other end, the positioning column (123) is slidably connected with the inner hole (121) inside, the positioning column (123) extends out of the positioning column (123) on the other end away from the first reset spring (122) and is provided as an arc surface.

4. The packaged air handling unit of claim 1, wherein: The mixing box (1), the working box (2) and the air supply box (3) one end are symmetrically provided with a positioning slot (11), the positioning block (10) is inserted with the positioning slot (11), the positioning slot (11) is symmetrically provided with a positioning hole (13) inside, the positioning hole (13) is clamped with the positioning column (123).

5. The packaged air handling unit of claim 1, wherein: The working box (2), the air supply box (3) and the air outlet box (4) are symmetrically and fixedly connected with guide columns (8) near the chamfers, the mixing box (1), the working box (2) and the air supply box (3) are symmetrically provided with guide grooves (9) near the chamfers, and the guide column (8) is inserted into the guide groove (9).

6. The packaged air handling unit of claim 1, wherein: The air inlet (5), the air return (6) and the air outlet (7) are symmetrically provided with mounting grooves (24) at one end, the mounting grooves (24) are movably connected with mounting frames (20), and the mounting frames (20) are fixedly connected with dustproof nets (21).

7. The packaged air handling unit of claim 6, wherein: The mounting grooves (24) are symmetrically provided with magnetic attraction grooves (23) at one end, the mounting frames (20) are symmetrically fixedly connected with magnetic attraction blocks (22) at one end, and the magnetic attraction blocks (22) are magnetically connected with the magnetic attraction grooves (23).

8. The packaged air handling unit of claim 1, wherein: The connecting ends of the mixing box (1), the working box (2), the air supply box (3) and the air outlet box (4) are symmetrically and fixedly connected with sealing washers (19), and the sealing washers (19) are in close contact with each other.

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