Combined circulating air conditioning unit

Abstract

The application relates to the technical field of ventilation equipment, and particularly discloses a combined circulating air conditioning unit, which comprises a main body structure, a limiting structure and an adjusting structure, the limiting structure is detachably arranged on the main body structure, and the adjusting structure is detachably arranged on the limiting structure. The application has the advantages of high adaptability, flexible and efficient installation, multi-scene compatible installation, function integration of the adjusting structure, precise air control and noise reduction, realization of reduction of aerodynamic noise from the source, better adaptation to the pipeline right-angle direction changing scene, recycling of filtered air, realization of secondary circulation of the filtered air, reduction of mixing of unfiltered air, improvement of the cleanliness of output air, backflow pressure relief, avoidance of influence of sudden pressure rise in the machine box on the service life of the equipment, reduction of the load of the filter screen and the exchanger, and indirect improvement of the system energy efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of ventilation equipment, in particular to a combined circulating air conditioning unit. BACKGROUND

[0002] In the technical field of ventilation equipment, the circulating air conditioning unit is widely used as the core equipment of air conditioning and circulation in industrial workshops, commercial buildings and civil places as a central air conditioning system. Its main function is to realize temperature regulation, purification and filtration and air flow delivery through air circulation. However, in the prior art, there are two key problems in this type of equipment.

[0003] On the one hand, the ventilation noise problem is prominent. When the fan of the traditional unit is running, the friction between the high-speed airflow and the internal components of the equipment such as the corner of the air duct will produce turbulent noise. Long-term use will cause acoustic pollution to the environment and affect the user's comfort. On the other hand, the pipeline of the central air conditioning system is long, the flow regulation precision is low and the operation is complex. The air supply and return flow of the existing unit is mainly dependent on single valve or fan speed regulation, and it is difficult to realize independent and accurate control of the air supply and return flow. Therefore, it is a technical problem to be solved in the field to develop a combined circulating air conditioning unit which can effectively reduce the ventilation noise, realize accurate regulation of the air supply and return flow, and has flexible structure and is easy to maintain. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides an automatic calculation system for measuring kidney function by double plasma method, which solves the problems in the background art.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a combined circulating air conditioning unit, comprising a main body structure, a limiting structure and an adjusting structure, the limiting structure is detachably arranged on the main body structure, and the adjusting structure is detachably arranged on the limiting structure; wherein the main body structure is used for air supply and filtration, the limiting structure is used for fitting the main body structure and bearing the adjusting structure, and the adjusting structure is used for adjusting the air volume, changing the flow of air supply and return, changing the air direction and reducing the noise.

[0006] Preferably, the main structure comprises a cabinet, a plurality of partitions, a pair of fans, a filter screen, an exchanger and a return pipe; the cabinet is a rectangular box, first air inlets are formed in the middle of the left and right sides of the cabinet, a return air inlet is formed in the upper wall of the cabinet and close to the right end, a plurality of partitions are fixedly arranged in the cabinet, second air inlets are formed in the middle of the partitions, one of the pair of partitions is arranged on the left and right sides of the return air inlet, a first embedding groove is formed in the inner side wall of the second air inlet, a pair of fans are fixedly arranged on the inner lower wall of the left and right ends of the cabinet, the air inlets and air outlets of the fans are connected with the first air inlets of the cabinet, the filter screen is fixedly arranged on the left side of one of the partitions and close to the right end fan, the filter screen is below the return air inlet, the exchanger is fixedly arranged in the cabinet and between the pair of partitions, the exchanger and the filter screen are arranged on the left and right sides of the middle partition, one end of the return pipe is fixedly arranged on the upper wall of the cabinet and at the position of the return air inlet, the other end of the return pipe is above the first air inlet of the right side wall of the cabinet, a second embedding groove corresponding to the first embedding groove is formed in the inner side wall of one end of the return pipe.

[0007] Preferably, the limiting structure comprises a limiting frame and a clamping assembly; a ventilation opening is formed in the middle of the limiting frame, mounting grooves are formed in the side walls of the limiting frame, and wheel grooves are formed in the mounting grooves close to the four corner positions, the clamping assembly is movably arranged on the limiting frame, the limiting frame is clamped in the first embedding groove of the partition through the clamping assembly, and the limiting frame is located on the left side of the filter screen.

[0008] Preferably, the clamping assembly comprises two pairs of side clamping plates, two pairs of corner clamping plates, four pairs of connecting rods, two pairs of racks, two pairs of shaft rods and two pairs of first gears; the two pairs of side clamping plates are H-shaped, the two pairs of side clamping plates are movably clamped in the middle of the four side walls of the limiting frame, and the side clamping plates are located in the mounting grooves, the two pairs of side clamping plates are arranged in a clockwise direction, the two pairs of corner clamping plates are L-shaped, the two pairs of corner clamping plates are movably arranged in the four corner positions of the limiting frame, and the two ends of the corner clamping plates are movably inserted into the two ends of the side clamping plates, the middle part of the corner clamping plate corresponds to the side clamping plate, one end of the four pairs of connecting rods is fixedly arranged on the side walls of the two ends of the corner clamping plate, and the other end of the connecting rod is movably inserted into the middle part of the side clamping plate, one end of the two pairs of racks is fixedly arranged on the upper wall of one end of the side clamping plate, and the racks are arranged in a clockwise direction, the other end of the two pairs of racks is movably inserted into the wheel grooves, the two pairs of shaft rods are movably inserted into the limiting frame, and the shaft rods are movably inserted into the wheel grooves, the shaft rods cannot be separated from the limiting frame, one end of the shaft rod is provided with a hexagonal rotating hole, and the shaft rod can be rotated by a hexagonal wrench, the two pairs of first gears are fixedly sleeved on the shaft rods, and the first gears are clamped in the wheel grooves, and the first gears are engaged with the racks.

[0009] Preferably, the adjusting structure comprises a wind adjusting pipe, three pairs of wheel frames, three guide wheels, a dial ring, a plurality of dial rods, a plurality of turnover shafts, a plurality of leaf plates, a central shaft, a supporting arm, a motor and a second gear; the wind adjusting pipe is an H-shaped pipe body, and the middle part of the outer side of the wind adjusting pipe is concave; the wind adjusting pipe is detachably arranged on the side wall of the limiting frame and located at the ventilation opening; the three pairs of wheel frames are equidistantly arranged on the middle part of the side wall of the wind adjusting pipe; the three guide wheels are movably arranged on the wheel frames; the dial ring is movably sleeved on the guide wheels, and a plurality of teeth are formed on the top side wall of the dial ring; the plurality of dial rods are equidistantly arranged on the side wall of the dial ring and arranged in a clockwise direction; one end of the plurality of turnover shafts is movably penetrated through the middle part of the wind adjusting pipe, and the turnover shaft is L-shaped; a force applying groove is formed in the middle part of the other end of the turnover shaft, and the other end of the turnover shaft is sleeved on the dial rod through the force applying groove; the turnover shafts are arranged in a clockwise direction and correspond to the dial rods; the plurality of leaf plates are equidistantly arranged on one end of the turnover shaft and arranged in the wind adjusting pipe; the central shaft is arranged between the other ends of the leaf plates and movably connected with the other ends of the leaf plates; one end of the supporting arm is fixedly arranged on the side wall of the limiting frame and located above the wind adjusting pipe; the motor is fixedly arranged on the other end of the supporting arm, and the driving end of the motor is close to the teeth of the dial ring; and the second gear is fixedly arranged on the driving end of the motor and engaged with the teeth of the dial ring.

[0010] Preferably, the leaf plates are all fan-shaped, and the leaf plates can be rotatably connected and shield the wind adjusting pipe.

[0011] Preferably, the second gear can drive the dial ring to rotate on the guide wheel.

[0012] Preferably, the rotation of the dial ring can drive the leaf plates on the turnover shaft to rotate and adjust the inclination angle of the leaf plates.

[0013] Preferably, the adjusting structure can be embedded in the second embedding groove at one end of the return pipe through the limiting structure.

[0014] Compared with the prior art, the present application has the following advantages:

[0015] 1. Flexible and efficient installation, compatible with multiple scenes: the limiting structure can be adjusted in length and width by the synchronous expansion and contraction of the side panels and corner panels, and can be adapted to different sizes of partitions (first embedding groove) or ventilation pipes (second embedding groove), achieving limited adjustment and locking without the need for separate design of connecting parts for different installation scenes, thereby reducing the adaptation cost.

[0016] 2. Quick disassembly and maintenance: the expansion and contraction of the clamping assembly can be controlled by rotating the shaft with a hexagonal wrench, realizing quick assembly or disassembly of the limiting structure and the main body, facilitating the maintenance and replacement of the adjusting structure and other components in the later stage, and improving the maintenance convenience.

[0017] 3. Adjust the structure function integration, control wind precision and reduce noise: through the motor drive dial ring linkage multiple L-shaped turnover shaft, realize the synchronous turnover of the fan-shaped leaf plate, the leaf plate angle change can accurately control the size of the ventilation section (adjust the flow), at the same time, through the regular inclination angle to guide the airflow direction, avoid the turbulence, reduce the aerodynamic noise from the source; The adjusting structure can be arranged at the pipe docking position, and the regular air guiding function of the leaf plate can relieve the air impact when the pipeline is right-angled in the central air conditioning system, reduce the friction noise of airflow and pipeline wall, and optimize the system operation stability.

[0018] 4. Air circulation design improves quality and energy efficiency: after filtering, the residual air can be circulated to the fan inlet through the return pipe when the adjusting structure controls the flow in the case, realizing the secondary circulation of filtered air, reducing the mixing of unfiltered air, and improving the cleanliness of output air; The return pipe also plays a pressure relief role, avoiding the impact of sudden pressure rise in the case on the service life of the equipment; The circulating return design reduces the direct intake of external fresh air, reduces the load of filter screen and exchanger, and indirectly improves the system energy efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The assembly structure of the present application is shown in the figure;

[0020] Figure 2 The main structure of the present application is shown in the figure;

[0021] Figure 3 The enlarged display structure diagram of the limiting frame of the present application is shown in the figure;

[0022] Figure 4 The split and enlarged structure diagram of the clamping assembly of the present application is shown in the figure;

[0023] Figure 5 The assembly and enlarged structure diagram of the adjusting structure of the present application is shown in the figure;

[0024] Figure 6 The assembly structure diagram of the limiting structure and the adjusting structure is shown in the figure;

[0025] Figure 7 The local enlarged view of A in Figure 4 is shown in the figure;

[0026] Figure 8 The local enlarged view of B in Figure 4 is shown in the figure;

[0027] Figure 9 The local enlarged view of C in Figure 5 is shown in the figure.

[0028] In the figure: 1, main structure, 11, case, 12, partition, 13, fan, 14, filter screen, 15, exchanger, 16, return pipe, 2, limiting structure, 21, limiting frame, 22, card embedded components, 221, side panel, 222, corner panel, 223, connecting rod, 224, rack, 225, shaft, 226, first gear, 3, adjusting structure, 30, air adjusting pipe, 31, wheel frame, 32, guide wheel, 33, dial ring, 34, dial rod, 35, turnover shaft, 36, leaf plate, 37, center shaft, 38, supporting arm, 39, motor, 40, second gear, 5, first air port, 6, second air port, 7, first embedded slot, 8, mounting slot, 9, wheel slot, 101, air vent, 102, force slot. DETAILED DESCRIPTION

[0029] The application will be described in detail below with reference to the accompanying drawings. Figures 1-9 Further detailed description will be made.

[0030] As Figure 1 shown, the application provides a technical solution: a combined circulating air air conditioning unit, comprising a main structure 1, a limiting structure 2 and an adjusting structure 3, the limiting structure 2 is detachably arranged on the main structure 1, and the adjusting structure 3 is detachably arranged on the limiting structure 2; wherein the main structure 1 is used for air supply and filtration, the limiting structure 2 is used for fitting the main structure 1 and bearing the adjusting structure 3, and the adjusting structure 3 is used for adjusting air volume, changing the flow of air supply and return, changing air direction at the same time, and reducing noise.

[0031] As Figure 2As shown, as a preferred solution, further, the main structure 1 comprises a cabinet 11, a plurality of partitions 12, a pair of fans 13, a filter screen 14, an exchanger 15 and a return pipe 16; the cabinet 11 is a rectangular box, and first air inlets 5 are formed in the middle of the left and right sides of the cabinet 11, and a return air inlet is formed in the upper wall of the cabinet 11 and close to the right end, the plurality of partitions 12 are fixedly arranged in the cabinet 11, and the second air inlets 6 are formed in the middle of the partitions 12, one of the pair of partitions 12 is arranged on the left and right sides of the return air inlet, the first embedding grooves 7 are formed in the inner side walls of the second air inlets 6, the pair of fans 13 are fixedly arranged on the inner lower walls of the left and right ends of the cabinet 11, and the air inlets and air outlets of the fans 13 are connected with the first air inlets 5 of the cabinet 11, the filter screen 14 is fixedly arranged on the left side of one of the partitions 12 and close to the right end fan 13, and the filter screen 14 is located below the return air inlet, the exchanger 15 is fixedly arranged in the cabinet 11 and between the pair of partitions 12, the exchanger 15 and the filter screen 14 are located on the left and right sides of the middle partition 12, one end of the return pipe 16 is fixedly arranged on the upper wall of the cabinet 11 and located at the return air inlet, the other end of the return pipe 16 is located above the first air inlet 5 of the right side wall of the cabinet 11, and the second embedding groove corresponding to the first embedding groove 7 is formed in the inner side wall of one end of the return pipe 16; air is sucked into the cabinet 11 by the fan 13 at the right end, filtered by the filter screen 14 on the partition 12 and then conveyed to the left, so that the flow rate can be controlled by the adjusting structure 3, and the filtered air return flow rate is also controlled, the filtered air is recycled, the overall filtering effect is improved, the air is cooled or heated by the exchanger 15, and then finally sent by the fan 13 at the left end, and the adjusting structure 3 can be embedded in the second embedding groove of one end of the return pipe 16 by the limiting structure 2.

[0032] More specifically, the main structure 1 realizes air filtration, temperature regulation, flow control and recycling by reasonably arranging the functional components, thereby providing a stable foundation for the subsequent assembly of the limiting structure 2 and the adjusting structure 3, and improving the operation efficiency of the air conditioning unit.

[0033] As shown in Figure 3 , Figure 4 and Figure 6 , as a preferred solution, further, the limiting structure 2 comprises a limiting frame 21 and a clamping assembly 22; the limiting frame 21 is provided with a ventilation opening 101 in the middle, and the side wall of the limiting frame 21 is provided with a mounting groove 8, and the mounting groove 8 is provided with a wheel groove 9 close to the four corner positions, the clamping assembly 22 is movably arranged on the limiting frame 21, the limiting frame 21 is embedded in the first embedding groove 7 of the partition 12 through the clamping assembly 22, and the limiting frame 21 is located on the left side of the filter screen 14.

[0034] As shown in Figure 4 , Figure 7 and Figure 8As shown, as a preferred solution, further, the card-embedded assembly 22 comprises two pairs of side panels 221, two pairs of corner panels 222, four pairs of connecting rods 223, two pairs of racks 224, two pairs of shaft rods 225, and two pairs of first gears 226; the two pairs of side panels 221 are both H-shaped, and are movably embedded in the middle of the four side walls of the limiting frame 21, with the side panels 221 located in the mounting groove 8; the two pairs of side panels 221 are arranged in a clockwise direction; the two pairs of corner panels 222 are both L-shaped, and are movably arranged in the four corner positions of the limiting frame 21, with the two ends of the corner panels 222 movably inserted into the two ends of the side panels 221, and the middle of the corner panels 222 corresponding to the side panels 221; one end of the four pairs of connecting rods 223 is fixedly arranged on the two end side walls of the corner panels 222, and the other end of the connecting rods 223 is respectively inserted into the middle of the side panels 221; one end of the two pairs of racks 224 is fixedly arranged on the upper wall of one end of the side panels 221, and the racks 224 are arranged in a clockwise direction; the other end of the two pairs of racks 224 is movably inserted into the wheel groove 9; the two pairs of shaft rods 225 are movably inserted into the limiting frame 21, and the shaft rods 225 are movably inserted into the wheel groove 9, and the shaft rods 225 cannot be separated from the limiting frame 21; one end of the shaft rods 225 is provided with a hexagonal rotating hole, and the shaft rods 225 can be rotated by a hexagonal wrench; the two pairs of first gears 226 are fixedly sleeved on the shaft rods 225, and the first gears 226 are embedded in the wheel groove 9, and the first gears 226 are engaged with the racks 224; by rotating the shaft rods 225, the first gears 226 are rotated in the wheel groove 9, the first gears 226 drive the racks 224 to bear stress, the side panels 221 are moved under stress, and the corner panels 222 are synchronously moved by the limiting of the connecting rods 223, the four side walls of the limiting frame 21 are adjusted, and the side panels 221 and the corner panels 222 are embedded in the first embedded groove 7 and the second embedded groove of the partition plate 12 or the return air pipe 16.

[0035] More specifically, the card-embedded assembly 22 is combined with the multi-directional embedded structure through the first gear 226 and the rack 224 transmission, realizes the stable connection and quick disassembly of the limiting frame 21 and the main body structure 1, adapts to embedded groove structures in different positions, improves the assembly flexibility and maintenance convenience of the equipment, and enables the adjusting structure 3 to be embedded in the case 11 or other ventilation pipes.

[0036] As Figure 5 and Figure 9As shown, as a preferred solution, further, the adjusting structure 3 comprises the air adjusting pipe 30, three pairs of wheel frames 31, three guide wheels 32, a dial ring 33, a plurality of dial rods 34, a plurality of turnover shafts 35, a plurality of leaf plates 36, a central shaft 37, a supporting arm 38, a motor 39 and a second gear 40; the air adjusting pipe 30 is an H-shaped pipe body, and the middle part of the outer side of the air adjusting pipe 30 is concave, the air adjusting pipe 30 is detachably arranged on the side wall of the limiting frame 21 and located at the part of the air vent 101, three pairs of wheel frames 31 are equidistantly arranged on the middle part of the side wall of the air adjusting pipe 30, three guide wheels 32 are movably arranged on the wheel frames 31, the dial ring 33 is movably sleeved on the guide wheels 32, and a plurality of teeth are arranged on the top side wall of the dial ring 33, a plurality of dial rods 34 are equidistantly arranged on the side wall of the dial ring 33 and arranged in a clockwise direction, one end of each of the plurality of turnover shafts 35 is movably penetrated through the middle part of the air adjusting pipe 30, the turnover shaft 35 is L-shaped, a force applying groove 102 is arranged in the middle part of the other end of the turnover shaft 35, and the other end of the turnover shaft 35 is sleeved on the dial rod 34 through the force applying groove 102, the turnover shaft 35 is arranged in a clockwise direction and corresponds to the dial rod 34, a plurality of leaf plates 36 are equidistantly arranged on one end of the turnover shaft 35, and the leaf plates 36 are arranged in the air adjusting pipe 30, the leaf plates 36 are all fan-shaped and can be rotatably connected to the air adjusting pipe 30, the central shaft 37 is arranged between the other ends of the leaf plates 36 and movably connected to the other ends of the leaf plates 36, one end of the supporting arm 38 is fixedly arranged on the side wall of the limiting frame 21 and located above the air adjusting pipe 30, the motor 39 is fixedly arranged on the other end of the supporting arm 38, and the driving end of the motor 39 is close to the teeth of the dial ring 33, and the second gear 40 is fixedly arranged on the driving end of the motor 39 and engaged with the teeth of the dial ring 33; through the starting of the first motor 39, the engagement of the second gear 40 and the dial ring 33 is used to drive the dial ring 33 to rotate on the guide wheel 32, and through the change of the rotation angle, the dial rod 34 is used to apply force to the turnover shaft 35, the turnover shaft 35 is driven to rotate, the rotation of the leaf plate 36 is realized, the space between the leaf plates 36 is changed, the flow rate is changed, the blowing direction of the wind force is changed through the change of the inclination angle of the leaf plate 36, the stable flow effect is realized, and the noise is changed through the change of the wind force and the blowing direction.

[0037] More specifically, the second gear 40 can drive the dial ring 33 to rotate on the guide wheel 32, the rotation of the dial ring 33 can drive the leaf plate 36 on the turnover shaft 35 to rotate, the inclination angle of the leaf plate 36 is adjusted, the adjusting structure 3 is driven by the second gear 40, the dial ring 33, the motor 39, the synchronous angle adjustment of the leaf plate 36 is realized, the flow rate of the air supply and the backflow can be accurately controlled, the blowing direction can be flexibly changed, the noise is reduced through the optimization of the air flow form, and the operation efficiency and the comfort of the air conditioning unit are improved.

[0038] Working principle:

[0039] S1. First, the device is in use, by the fan 13 in the right end of the cabinet 11 start, the external air pumping into the cabinet 11, and by the filter screen 14 on the partition 12 to filter the air, and then to the left end; while the filtered air can be exchanged by the exchanger 15 between the partition 12 to exchange energy, to achieve cold or hot air, and through the fan 13 in the left end of the cabinet 11 extraction through the first air port 5 supply pipe, to achieve the conventional air conditioning unit;

[0040] S2. The air regulating pipe 30 in the adjusting structure 3 is arranged on the corresponding limiting structure 2, and the air regulating pipe 30 is arranged corresponding to the air vent 101 of the limiting frame 21, that is, it is installed in the first embedding groove 7 by means of the clamping assembly 22 on the limiting frame 21. Since the first embedding groove 7 is arranged on the inner wall of the second air port 6 of the partition 12, the corresponding limiting structure 2 can be arranged in the first embedding groove 7 to shield the air vent 101;

[0041] That is, rotating the shaft rod 225 to drive the first gear 226 to rotate in the wheel groove 9, and through the meshing of the first gear 226 and the rack 224, the rack 224 is forced to drive the corresponding side panel 221 to move in the mounting groove 8, and one end of the side panel 221 extends out of the mounting groove 8, and the side panel 221 moves synchronously through the connecting rod 223, thereby moving the side panel 221 at both ends of the corner side plate. The length of one side of the limiting frame 21 is adjusted, that is, the side panel 221 and the corner panel 222 are embedded in the first embedding groove 7 to be fixed, or the limiting structure 2 is embedded in the corresponding air duct;

[0042] S3. Then set the adjusting structure 3 in the middle of the limiting frame 21, and set one end of the supporting arm 38 on the side wall of the limiting frame 21, and the second gear 40 is engaged with the teeth of the dial ring 33, and the second gear 40 is located between the two turnover shafts 35;

[0043] S4. Further in use, the second gear 40 is driven to rotate by starting the motor 39, and then the second gear 40 engages the dial ring 33 to drive the dial ring 33 to rotate on the guide wheel 32 supported by the three wheel frames 31, thereby driving the equidistantly arranged dial rods 34 to rotate;

[0044] S5. The movement of the dial rod 34 will move in the force slot 102 at one end of the turnover shaft 35, thereby driving the turnover shaft 35 to rotate, thereby synchronously driving a plurality of leaf plates 36 to rotate, and the central shaft 37 between the leaf plates 36 is always located in the middle position; with the rotation of the leaf plates 36, the opening size between the leaf plates 36 is adjusted, thereby changing the flow size through the air regulating pipe 30;

[0045] S6. Since the adjusting structure 3 is arranged below the return pipe 16, by adjusting the flow, the filtered air which does not pass through the air adjusting pipe 30 will flow out through the return pipe 16 along with the air pressure, and be delivered to the first air outlet 5 on the right side of the cabinet 11, and be extracted again to realize circulation along with the start of the fan 13;

[0046] The adjusting structure 3 can also be arranged in the return pipe 16 through the limiting structure 2, to change the return flow of the return pipe 16 and reduce the noise.

[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting, and other modifications or functional replacements of the technical solutions of the present application made by those of ordinary skill in the art should be covered in the scope of the claims of the present application as long as they do not deviate from the spirit and scope of the technical solutions of the present application.

Claims

1. A combined circulating air conditioning unit, characterized in that, Including main body structure (1), limiting structure (2) and adjusting structure (3), the limiting structure (2) can be detachably disposed on the main body structure (1), the adjusting structure (3) can be detachably disposed on the limiting structure (2); Wherein the main body structure (1) is used for filtering, the limiting structure (2) is used for fitting the main body structure (1) and bearing the adjusting structure (3), the adjusting structure (3) is used for adjusting air volume, changing the flow of air supply and backflow, changing wind direction and reducing noise at the same time; The limiting structure (2) includes a limiting frame (21) and a clamping assembly (22); The limiting frame (21) is provided with a ventilation opening (101) in the middle, and the side wall of the limiting frame (21) is provided with a mounting groove (8), and the mounting groove (8) is provided with a wheel groove (9) near the four corner parts, the clamping assembly (22) is movably arranged on the limiting frame (21), the limiting frame (21) is clamped in the first clamping groove (7) of the partition plate (12) through the clamping assembly (22), and the limiting frame (21) is located on the left side of the filter screen (14); The adjusting structure (3) includes an air adjusting pipe (30), three pairs of wheel frames (31), three guide wheels (32), a dial ring (33), a plurality of dial rods (34), a plurality of turnover shafts (35), a plurality of leaf plates (36), a center shaft (37), a supporting arm (38), a motor (39) and a second gear (40). The air adjusting pipe (30) is an H-shaped pipe body, and the middle part of the outer side of the air adjusting pipe (30) is concave. The air adjusting pipe (30) is detachably arranged on the side wall of the limiting frame (21) and located at the position of the air vent (101). Three pairs of the wheel frames (31) are equidistantly arranged on the middle part of the side wall of the air adjusting pipe (30). Three guide wheels (32) are movably arranged on the wheel frames (31). The driving rings (33) are movably sleeved on the guide wheels (32), and the top side wall of the driving ring (33) is provided with a plurality of teeth. A plurality of driving rods (34) are equidistantly arranged on the side wall of the driving ring (33) and arranged in a clockwise direction. A plurality of turnover shafts (35) are movably arranged on one end of the middle part of the air adjusting pipe (30), and the turnover shaft (35) is L-shaped. A force slot (102) is arranged in the middle part of the other end of the turnover shaft (35), and the other end of the turnover shaft (35) is sleeved on the driving rod (34) through the force slot (102). The turnover shaft (35) is arranged in a clockwise direction and corresponds to the driving rod (34). A plurality of leaf plates (36) are equidistantly arranged on one end of the turnover shaft (35), and the leaf plates (36) are arranged in the air adjusting pipe (30). A central shaft (37) is arranged between the other ends of the leaf plates (36) and movably connected with the other ends of the leaf plates (36). A supporting arm (38) is fixedly arranged on the side wall of the limiting frame (21) and located above the air adjusting pipe (30). A motor (39) is fixedly arranged on the other end of the supporting arm (38), and the driving end of the motor (39) is close to the teeth of the driving ring (33). A second gear (40) is fixedly arranged on the driving end of the motor (39) and engaged with the teeth of the driving ring (33).

2. The combination type air conditioning unit according to claim 1, wherein The main body structure (1) comprises a case (11), a plurality of partitions (12), a pair of fans (13), a filter screen (14), an exchanger (15) and a return pipe (16). The cabinet (11) is a rectangular box, and first air inlets (5) are arranged in the middle of the left and right sides of the cabinet (11), a return air inlet is arranged on the upper wall of the cabinet (11) and close to the right end, a plurality of the partitions (12) are fixedly arranged in the cabinet (11), and second air inlets (6) are arranged in the middle of the partitions (12), one pair of the partitions (12) are arranged on the left and right sides of the return air inlet, first embedding grooves (7) are arranged in the inner side walls of the second air inlets (6), one pair of the fans (13) are fixedly arranged on the inner lower walls of the left and right ends of the cabinet (11), the air inlets and air outlets of the fans (13) are connected with the first air inlets (5) of the cabinet (11), the filter screen (14) is fixedly arranged on the left side of one of the partitions (12) and close to the right end fan (13), the filter screen (14) is arranged below the return air inlet, the exchanger (15) is fixedly arranged in the cabinet (11) and between the one pair of the partitions (12), the exchanger (15) and the filter screen (14) are arranged on the left and right sides of the middle partition (12), one end of the return flow pipe (16) is fixedly arranged on the upper wall of the cabinet (11) and located at the return air inlet, the other end of the return flow pipe (16) is located above the first air inlet (5) of the right side wall of the cabinet (11), and a second embedding groove is arranged in the inner side wall of one end of the return flow pipe (16) and corresponds to the first embedding groove (7).

3. The combination type air conditioning unit according to claim 2, wherein The clamping assembly (22) comprises two pairs of side clamping plates (221), two pairs of corner clamping plates (222), four pairs of connecting rods (223), two pairs of racks (224), two pairs of shaft rods (225) and two pairs of first gears (226). Two pairs of the side panels (221) are H-shaped, are movably embedded in the middle of the four side walls of the limiting frame (21), and are located in the mounting groove (8). The two pairs of side panels (221) are arranged in a clockwise direction. Two pairs of the corner panels (222) are L-shaped, are movably arranged in the four corner positions of the limiting frame (21), and have two ends movably embedded in the two ends of the side panel (221). The middle part of the corner panel (222) corresponds to and fits the side panel (221). Four pairs of the connecting rods (223) are fixedly arranged at the two end side walls of the corner panel (222), and the other ends of the connecting rods (223) are staggered and penetrate the middle part of the side panel (221). Two pairs of the racks (224) are fixedly arranged on the upper wall of one end of the side panel (221), and are arranged in a clockwise direction. The other ends of the two pairs of racks (224) are movably embedded in the wheel groove (9). Two pairs of the shaft rods (225) are movably embedded in the limiting frame (21), and the shaft rods (225) movably penetrate the wheel groove (9). The shaft rod (225) cannot be separated from the limiting frame (21). One end of the shaft rod (225) is provided with a hexagonal rotating hole, and the shaft rod (225) can be rotated by a hexagonal wrench. Two pairs of the first gears (226) are fixedly sleeved on the shaft rod (225), and the first gears (226) are embedded in the wheel groove (9). The first gear (226) is engaged with the rack (224).

4. The combination type air conditioning unit according to claim 3, wherein The leaf plates (36) are all fan-shaped and can be rotatably connected and shielded to the air adjusting pipe (30).

5. The combination air cycle air conditioning pack of claim 4, wherein, The second gear (40) can drive the rotating ring (33) to rotate on the guide wheel (32).

6. The combination air cycle air conditioning pack of claim 5, wherein, The rotation of the rotating ring (33) can drive the leaf plates (36) on the rotating shaft (35) to rotate and adjust the inclination angle of the leaf plates (36).

7. The combination air cycle air conditioning pack of claim 6, wherein, The adjusting structure (3) can be embedded in the second embedding groove position at one end of the return pipe (16) through the limiting structure (2).

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