A combined air conditioning unit

Abstract

This invention discloses a modular air conditioning unit, belonging to the field of installation technology for modular air conditioning units. The modular air conditioning unit includes a unit housing with ventilation openings at both ends. Inside the housing, from the air inlet to the air outlet, are sequentially installed a primary and secondary efficiency filter section, a cooling and heating section, a fan section, a perforated diffuser plate, and a high-efficiency filter. A connecting seat is fixedly connected to the bottom of the housing, and a shock-absorbing base is installed at the lower end of the connecting seat. Multiple fastening bolts are installed between the connecting seat and the shock-absorbing base. By modifying the structure of the existing shock absorbers and fastening bolts, the bolts of the modular air conditioning unit are less prone to loosening or breakage during long-term operation, thus reducing vibration caused by equipment shaking and noise generation.

Description

Technical Field

[0001] This invention relates to the field of installation technology for modular air conditioning units, and more specifically, to a modular air conditioning unit. Background Technology

[0002] A modular air handling unit is an air handling device assembled from various air handling functional sections. These sections include units for air mixing, flow equalization filtration, cooling, primary and secondary heating, dehumidification, humidification, supply fan, return fan, water spray, noise reduction, and heat recovery. It is suitable for air purification systems in various cleanrooms.

[0003] Currently, some manufacturers fail to fully consider actual conditions and needs during the design process, resulting in product defects or inapplicability issues. For example, the modules of a modular air conditioning unit are interconnected; if one module malfunctions, the entire system may be affected. Furthermore, the modular installation method makes maintenance and upkeep more difficult. Loose shock absorber bolts, broken springs, or belt slippage can all cause significant noise during operation, affecting the quietness of the indoor environment, and leading to unstable operation, wear and tear on some equipment, and reduced lifespan. Therefore, this solution proposes a modular air conditioning unit. Summary of the Invention

[0004] 1. Technical problem to be solved:

[0005] In view of the problems existing in the prior art, the purpose of this invention is to provide a modular air conditioning unit. By changing the structure of the existing shock absorber and fastening bolts, the bolts of the modular air conditioning unit are less likely to loosen or break during long-term operation, thus reducing vibration caused by the vibration between equipment and reducing noise generation.

[0006] 2. Technical Solution:

[0007] To solve the above problems, the present invention adopts the following technical solution.

[0008] A modular air conditioning unit includes a unit housing. Ventilation openings are installed at both the left and right ends of the unit housing. Inside the unit housing, from the air inlet to the air outlet, a primary and secondary filter section, a cooling and heating section, a fan section, a perforated diffuser plate, and a high-efficiency filter are installed in sequence. A connecting seat is fixedly connected to the bottom of the unit housing. A shock-absorbing base is installed at the lower end of the connecting seat. Multiple fastening bolts are installed between the connecting seat and the shock-absorbing base.

[0009] A further improvement is that: the shock-absorbing base includes a shock-absorbing box provided on the bottom side of the connecting seat; the upper end of the shock-absorbing box has two symmetrically distributed grooves; the lower end of each groove has a groove; a partition is fixedly connected to the inner bottom end of the groove; stress-reducing components are installed between the inner walls of the partitions; a shock-absorbing pad is fixedly connected to the lower end of the stress-reducing component; the shock-absorbing pad is located between the inner walls of the groove; a limit sleeve is fixedly connected to the side end of the stress-reducing component; a bladder is fixedly connected to the side wall of the groove; and a spring steel plate is installed at the outer end of the bladder.

[0010] A further improvement is that the stress-reducing component includes a connecting platform provided between the inner walls of the partition, the bottom end of the connecting platform is fixedly connected to the top end of the shock-absorbing pad, the side end of the connecting platform is fixedly connected to the limiting sleeve, the outer end of the connecting platform is fitted with a connecting sleeve, the connecting sleeve is located above the limiting sleeve, the upper end of the connecting platform is provided with a stress-reducing groove, the inner walls of the stress-reducing groove are movably connected with a top plate, and the top plate is fixedly connected to the connecting seat.

[0011] A further improvement is that the fastening bolt includes a stud that penetrates into multiple through holes on the surface of the connecting seat and the shock-absorbing base, the outer end of the stud is fitted with a buffer washer, and the outer end of the stud is threaded with a nut.

[0012] A further improvement is that the stud includes a washer, a column, a connecting end, and a threaded end. The washer is fixedly connected to the column. The connecting end is fixedly connected to the upper side of the column. The threaded end is fixedly connected to the upper side of the connecting end. The side end of the connecting end has multiple evenly distributed storage slots. One side end of the storage slot is fixedly connected to a spring piece. The other side end of the storage slot is rotatably connected to a limit block. One side of the limit block is located on the outer surface of the spring piece. The upper end of the connecting end is fixedly connected to the threaded end.

[0013] A further improvement is that the nut includes a cap sleeve, the upper end of which has four symmetrically distributed sliding grooves, the upper end of which is fixedly connected to a collar, the collar being located outside the sliding grooves, the inner walls of the collar being movably connected to a transmission sleeve, and a limiting component being installed on the bottom inner wall of the cap sleeve.

[0014] A further improvement is that: the limiting component includes multiple sliding grooves 2 inside the cap cover, a sliding groove 3 is provided on the bottom inner wall of the cap cover, the sliding groove 3 is connected to the sliding groove 2, a limiting post is provided between the inner walls of the sliding groove 3, two symmetrically distributed sliding grooves 4 are provided on the side wall of the sliding groove 3, a slider is fixedly connected to both the left and right ends of the limiting post, the slider is located between the inner walls of the sliding groove 4, and a spring is fixedly connected between the slider and the side wall of the sliding groove 4, and an abutment is slidably connected between the inner walls of the sliding groove 2, the top of the abutment is fixedly connected to the transmission sleeve.

[0015] A further improvement is that a magnetic block one is embedded in the rear end of the limiting post, and a magnetic block two is embedded in one side of the bottom of the contact member, and the magnetic block one and the magnetic block two attract each other.

[0016] A further improvement is that a humidification section is installed inside the unit housing, the humidification section is located on one side of the high-efficiency filter, and a water collection plate is installed below the humidification section.

[0017] A further improvement is that polyethylene sound insulation pads are installed on both the upper and lower sides of the connecting seat.

[0018] 3. Beneficial effects:

[0019] Compared with the prior art, the technical solution provided by this invention has the following advantages:

[0020] This invention is reasonably designed. By using a sliding and pull-out installation method for each module of the combined air conditioning unit, maintenance and repair of the combined air conditioning unit can be carried out simply by opening the cabinet door and pulling out each module one by one. This greatly improves the efficiency and convenience of maintenance of the combined air conditioning unit.

[0021] By changing the structure of the original fastening bolts of the modular air conditioning unit, the positioning of the fastening bolts will not loosen or shift after fastening without human intervention, thus ensuring the stability of the modular air conditioning unit after installation and avoiding vibration and excessive noise caused by loose bolts.

[0022] With the help of the vibration damping base, the vibration reduction efficiency of the combined air conditioning unit can be further improved, avoiding the generation of large noise during operation, ensuring the quietness of the indoor environment, and reducing the problem of damage to some equipment of the combined air conditioning unit due to vibration.

[0023] It should be noted that the structures not described in this invention are not related to the design points and improvement directions of this invention, and are the same as or can be implemented using existing technologies, so they will not be elaborated here. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 This is a schematic diagram of the overall exploded structure of the present invention;

[0026] Figure 3 This is a schematic diagram of the structure of the shock-absorbing base of the present invention;

[0027] Figure 4This is a schematic diagram of the stress-reducing component of the present invention;

[0028] Figure 5 This is a schematic diagram of the fastening bolt of the present invention;

[0029] Figure 6 This is a schematic diagram of the structure of the stud of the present invention;

[0030] Figure 7 This is a schematic diagram of the structure of the nut of the present invention;

[0031] Figure 8 This is a schematic diagram of the structure of the limiting component of the present invention.

[0032] Explanation of the labels in the diagram:

[0033] 1. Unit housing; 2. Ventilation opening; 3. Primary and secondary filter sections; 4. Cooling and heating sections; 5. Fan section; 6. Perforated diffuser; 7. High-efficiency filter; 8. Connecting seat;

[0034] 9. Vibration damping base; 91. Vibration damping box; 92. Groove one; 93. Groove two; 94. Partition plate;

[0035] 95. Stress-reducing component; 951. Connecting platform; 952. Connecting sleeve; 953. Stress-reducing groove; 954. Top plate;

[0036] 96. Shock-absorbing pads; 97. Limiting sleeves; 98. Airbag body; 99. Spring steel plate;

[0037] 10. Tighten the bolts;

[0038] 101. Stud; 1011. Washer plate; 1012. Column; 1013. Connecting end; 1014. Storage groove; 1015. Spring; 1016. Limiting block; 1017. Threaded end;

[0039] 102. Nut; 1021. Cap sleeve; 1022. Slide groove one; 1023. Collar; 1024. Transmission sleeve;

[0040] 1025, Limiting component; 10251, Slide groove two; 10252, Slide groove three;

[0041] 10253, Limiting Post; 102531, Magnetic Block One; 102532, Magnetic Block Two;

[0042] 10254, Slide four; 10255, Slider; 10256, Spring; 10257, Abutting component;

[0043] 103. Buffer pads;

[0044] 11. Humidification section; 12. Water collection plate; 13. Polyethylene sound insulation pad. Detailed Implementation

[0045] To facilitate understanding of the present invention, a more complete description of the invention will be given below with reference to the accompanying drawings, which illustrate several embodiments of the invention. However, the invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the invention will be more thorough and complete.

[0046] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "page," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0047] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0048] In this invention, unless otherwise explicitly specified and limited, the terms "installed," "connected," "linked," "fixed," "provided with," and "located in" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances. Example

[0049] Please see Figures 1-8 A modular air conditioning unit includes a unit housing 1. Ventilation openings 2 are installed at both the left and right ends of the unit housing 1. Inside the unit housing 1, from the air inlet to the air outlet, a primary and secondary filter section 3, a cooling and heating section 4, a fan section 5, a perforated air diffuser plate 6, and a high-efficiency filter 7 are installed in sequence. A connecting seat 8 is fixedly connected to the bottom end of the unit housing 1. A shock-absorbing base 9 is installed at the lower end of the connecting seat 8. Multiple fastening bolts 10 are installed between the connecting seat 8 and the shock-absorbing base 9.

[0050] This solution addresses the issue that some manufacturers have failed to fully consider actual conditions and needs during the design process, resulting in product defects or inapplicability. For example, there is a certain degree of interrelation between the various modules of a modular air conditioning unit. If one module malfunctions or has a problem, the entire system may be affected. Furthermore, due to the modular installation method, maintenance and upkeep are more difficult. If the shock absorber fastening bolts are loose, the springs break, or the belt slips, the modular air conditioning unit may generate significant noise during operation, affecting the quietness of the indoor environment.

[0051] In this embodiment, by adopting a sliding pull-out installation method for each module of the combined air conditioning unit, maintenance and repair of the combined air conditioning unit can be carried out simply by opening the cabinet door and pulling out each module one by one, which greatly improves the efficiency and convenience of personnel in maintaining the combined air conditioning unit.

[0052] Meanwhile, in this embodiment, by changing the structure of the existing shock absorber and fastening bolts, the bolts of the combined air conditioning unit are less likely to loosen or break during long-term operation, thus reducing vibration caused by the vibration between the equipment and reducing the generation of noise.

[0053] Furthermore, with the action of the shock-absorbing base 9, the vibration reduction efficiency of the combined air conditioning unit can be further improved, avoiding excessive noise during operation, ensuring the quietness of the indoor environment, and reducing the problem of damage to some equipment of the combined air conditioning unit due to vibration.

[0054] Please see Figures 1-4 The shock-absorbing base 9 includes a shock-absorbing box 91 located on the bottom side of the connecting seat 8. The upper end of the shock-absorbing box 91 has two symmetrically distributed grooves 92. The lower end of each groove 92 has a groove 93. A partition 94 is fixedly connected to the inner bottom end of the groove 93. A stress-reducing component 95 is installed between the inner walls of the partition 94. A shock-absorbing pad 96 is fixedly connected to the lower end of the stress-reducing component 95. The shock-absorbing pad 96 is located between the inner walls of the groove 93. A limit sleeve 97 is fixedly connected to the side end of the stress-reducing component 95. A bladder 98 is fixedly connected to the side wall of the groove 92. A spring steel plate 99 is installed on the outer end of the bladder 98.

[0055] More specifically: the stress-reducing component 95 includes a connecting platform 951 provided between the inner walls of the partition plate 94. The bottom end of the connecting platform 951 is fixedly connected to the top end of the shock-absorbing pad 96. The side end of the connecting platform 951 is fixedly connected to the limiting sleeve 97. A connecting sleeve 952 is sleeved on the outer end of the connecting platform 951. The connecting sleeve 952 is located on the upper side of the limiting sleeve 97. A stress-reducing groove 953 is opened at the upper end of the connecting platform 951. A top plate 954 is movably connected between the inner walls of the stress-reducing groove 953. The top plate 954 is fixedly connected to the connecting seat 8.

[0056] During use, the modular air conditioning unit is mounted on the surface of the connecting seat 8 by the fastening bolts 10. Subsequently, with the damping effect of the shock-absorbing base 9, the modular air conditioning unit is less prone to large vibrations during operation, reducing component wear and noise caused by vibration.

[0057] During use, after the combined air conditioning unit runs on the surface of the connecting seat 8, the vibration force generated is first reduced by the back-and-forth offset of the top plate 954 between the inner walls of the stress-reducing groove 953, and then by the connecting table 951 driving the limiting sleeve 97 to strike the surface of the spring steel plate 99. Subsequently, the elastic potential energy of the spring steel plate 99 and the bladder 98 weakens the impact force. During the vibration amplitude, the damping pads 96 simultaneously displace inside the groove 93, thereby reducing the vibration force generated by the combined air conditioning unit during operation, reducing noise caused by vibration and wear of some equipment, greatly ensuring the stability of the combined air conditioning unit during operation, and ensuring the quietness of the indoor environment.

[0058] Please see Figures 1-2 and Figures 5-8 The fastening bolt 10 includes a stud 101 that penetrates into multiple through holes on the surface of the connecting seat 8 and the shock-absorbing base 9. A buffer washer 103 is sleeved on the outer end of the stud 101, and a nut 102 is threadedly connected to the outer end of the stud 101.

[0059] More specifically: the stud 101 includes a washer 1011, a column 1012, a connecting end 1013, and a threaded end 1017. The washer 1011 is fixedly connected to the column 1012. The connecting end 1013 is fixedly connected to the upper side of the column 1012. The threaded end 1017 is fixedly connected to the upper side of the connecting end 1013. The side end of the connecting end 1013 is provided with a plurality of evenly distributed storage slots 1014. One side end of the storage slot 1014 is fixedly connected to a spring piece 1015. The other side end of the storage slot 1014 is rotatably connected to a limiting block 1016. One side of the limiting block 1016 is located on the outer surface of the spring piece 1015. The upper end of the connecting end 1013 is fixedly connected to the threaded end 1017.

[0060] More specifically: the nut 102 includes a cap 1021, the upper end of the cap 1021 is provided with four symmetrically distributed sliding grooves 1022, the upper end of the cap 1021 is fixedly connected with a collar 1023, the collar 1023 is located outside the sliding grooves 1022, the inner walls of the collar 1023 are movably connected with a transmission sleeve 1024, and a limiting member 1025 is installed on the bottom inner wall of the cap 1021.

[0061] More specifically: the limiting member 1025 includes multiple sliding grooves 10251 inside the cap cover 1021; a sliding groove 10252 is provided on the bottom inner wall of the cap cover 1021; the sliding groove 10252 communicates with the sliding grooves 10251; a limiting post 10253 is provided between the inner walls of the sliding grooves 10252; and two symmetrically distributed sliding grooves 1025 are provided on the side wall of the sliding grooves 10252. 4. Slider 10255 is fixedly connected to both the left and right ends of the limiting post 10253. The slider 10255 is located between the inner walls of the slide groove 4 10254, and a spring 10256 is fixedly connected between the slider 10255 and the side wall of the slide groove 4 10254. An abutment 10257 is slidably connected between the inner walls of the slide groove 2 10251, and the top of the abutment 10257 is fixedly connected to the transmission sleeve 1024.

[0062] More specifically: a magnetic block 102531 is embedded at the rear end of the limiting post 10253, and a magnetic block 2 102532 is embedded on one side of the bottom of the contact member 10257. The magnetic block 102531 and the magnetic block 2 102532 attract each other.

[0063] In order to avoid the bolts from loosening due to vibration between equipment after long-term fixing, which would cause excessive shaking and floating between equipment, resulting in significant wear and noise, this solution modifies the structure of the original fastening bolts of the combined air conditioning unit. This ensures that the positioning of the fastening bolts will not loosen or shift after tightening without human intervention, thus guaranteeing the stability of the combined air conditioning unit after installation and avoiding vibration and excessive noise caused by loose bolts.

[0064] In use, the operator first places the pad 1011 on one side of the equipment to be fixed, then inserts the threaded end 1017 through the through hole between the two pieces of equipment to be fixed, and then screws the cap 1021 in from the outside of the threaded end 1017. Once the cap 1021 is screwed into the contact area, the limiting block 1016, due to clockwise rotation, causes the limiting post 10253 to continuously press against the limiting block 1016, causing the limiting block 1016 to compress the spring piece 1015 into the receiving groove 1014, until the two pieces of equipment are positioned. Subsequently, such as in a combined air... When the unit vibrates during operation, if the cap 1021 rotates counterclockwise, the limiting post 10253 is always in contact with the surface of the connecting end 1013. When the counterclockwise rotation occurs, due to the elasticity of the spring piece 1015 and the outward rebound of the surface of the limiting block 1016, the limiting post 10253 is limited by the protrusion of the limiting block 1016, so that the cap 1021 cannot rebound and loosen. This ensures the stability of the combined air conditioning unit after the bolt is positioned during operation, and avoids loosening during use, which would lead to wear of multiple parts and the generation of greater noise.

[0065] When disassembly is required, personnel can rotate the transmission sleeve 1024 clockwise to cause 1027 to slide synchronously between the slide groove 10251. As a result, the limiting post 10253 rebounds under the action of the spring 10256 and is stored between the slide groove 10251, with one side being horizontal to the inner wall of the cap 1021. At this time, as the cap 1021 continues to rotate counterclockwise, due to the resistance on the inner wall of the cap 1021, the limiting block 1016 is subjected to force again, pressing the spring piece 1015, thereby storing it inside the storage groove 1014, so that the bolt can be disassembled. This greatly ensures the stability of the combined air conditioning unit during operation and avoids the phenomenon of loosening due to vibration.

[0066] In this example, by embedding a magnetic block 102531 on one side of the limiting post 10253 and a magnetic block 102532 that attracts it to the bottom side of the contact member 10257, the contact member 10257 can always be located on the side of the limiting post 10253 to abut during bolt tightening, ensuring the stability of the tightening and preventing the upper transmission sleeve 1024 from rotating due to external factors.

[0067] Please see Figures 1-2 The unit housing 1 is also equipped with a humidification section 11, which is located on one side of the high-efficiency filter 7, and a water collection plate 12 is installed below the humidification section 11.

[0068] During use, this solution uses a water collection plate 12 installed on the lower side of the humidification section 11. This allows the condensate generated during the humidification operation of the humidification section 11 to be collected and stored inside the water collection plate 12, and finally discharged through the outlet pipe.

[0069] Please see Figures 1-2 Polyethylene sound insulation pads 13 are installed on both the upper and lower sides of the connecting seat 8.

[0070] During use, this solution can be further improved by adding polyethylene sound insulation pads 13 during installation, which will help reduce vibration and noise during equipment operation.

[0071] The above-described embodiments are merely illustrative of certain implementations of the present invention, and are described in a relatively specific and detailed manner. However, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements are all within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the appended claims.

Claims

1. A modular air conditioning unit, comprising a unit housing (1), characterized in that: Ventilation openings (2) are installed at both the left and right ends of the unit housing (1). Inside the unit housing (1), from the air inlet to the air outlet, a primary and secondary filter section (3), a cooling and heating section (4), a fan section (5), a perforated air diffuser plate (6), and a high-efficiency filter (7) are installed in sequence. A connecting seat (8) is fixedly connected to the bottom of the unit housing (1). A shock-absorbing base (9) is installed at the lower end of the connecting seat (8). Multiple fastening bolts (10) are installed between the connecting seat (8) and the shock-absorbing base (9). The shock-absorbing base (9) includes a shock-absorbing box (91) provided on the bottom side of the connecting seat (8). The upper end of the shock-absorbing box (91) has two symmetrically distributed grooves (92). The lower end of each groove (92) has a groove (93). A partition (94) is fixedly connected to the inner bottom end of the groove (93). A stress-reducing component (95) is installed between the inner walls of the partition (94). A shock-absorbing pad (96) is fixedly connected to the lower end of the stress-reducing component (95). The shock-absorbing pad (96) is located between the inner walls of the groove (93). A limit sleeve (97) is fixedly connected to the side end of the stress-reducing component (95). A bladder (98) is fixedly connected to the side wall of the groove (92). A spring steel plate (99) is installed at the outer end of the bladder (98). The fastening bolt (10) includes a stud (101) that penetrates into multiple through holes on the surface of the connecting seat (8) and the shock-absorbing base (9). The outer end of the stud (101) is fitted with a buffer washer (103), and the outer end of the stud (101) is threaded with a nut (102). The stud (101) includes a washer (1011), a column (1012), a connecting end (1013), and a threaded end (1017). The washer (1011) is fixedly connected to the column (1012). The connecting end (1013) is fixedly connected to the upper side of the column (1012). The threaded end (1017) is fixedly connected to the upper side of the connecting end (1013). The side end of the connecting end (1013) is provided with a plurality of evenly distributed storage slots (1014). One side end of the storage slot (1014) is fixedly connected to a spring piece (1015). The other side end of the storage slot (1014) is rotatably connected to a limit block (1016). One side of the limit block (1016) is located on the outer surface of the spring piece (1015). The upper end of the connecting end (1013) is fixedly connected to the threaded end (1017). The nut (102) includes a cap (1021), the upper end of which has four symmetrically distributed sliding grooves (1022), a collar (1023) is fixedly connected to the upper end of the cap (1021), the collar (1023) is located outside the sliding groove (1022), a transmission sleeve (1024) is movably connected between the inner walls of the collar (1023), and a limiting member (1025) is installed on the bottom inner wall of the cap (1021).

2. The combined air conditioning unit according to claim 1, characterized in that: The stress-reducing component (95) includes a connecting platform (951) provided between the inner walls of the partition (94). The bottom end of the connecting platform (951) is fixedly connected to the top end of the shock-absorbing pad (96). The side end of the connecting platform (951) is fixedly connected to the limiting sleeve (97). The outer end of the connecting platform (951) is fitted with a connecting sleeve (952). The connecting sleeve (952) is located on the upper side of the limiting sleeve (97). The upper end of the connecting platform (951) is provided with a stress-reducing groove (953). A top plate (954) is movably connected between the inner walls of the stress-reducing groove (953). The top plate (954) is fixedly connected to the connecting seat (8).

3. A combined air conditioning unit according to claim 1, characterized in that: The limiting component (1025) includes multiple sliding grooves (10251) inside the cap cover (1021), and a sliding groove (10252) on the bottom inner wall of the cap cover (1021). The sliding grooves (10252) are interconnected with the sliding grooves (10251). A limiting post (10253) is provided between the inner walls of the sliding grooves (10252). Two symmetrically distributed sliding grooves (10254) are provided on the side wall of the sliding grooves (10252). The left and right ends of the limiting post (10253) are fixedly connected to sliders (10255). The sliders (10255) are located between the inner walls of the slide groove four (10254), and a spring (10256) is fixedly connected between the sliders (10255) and the side wall of the slide groove four (10254). An abutment (10257) is slidably connected between the inner walls of the slide groove two (10251), and the top of the abutment (10257) is fixedly connected to the transmission sleeve (1024).

4. A combined air conditioning unit according to claim 3, characterized in that: A magnetic block one (102531) is embedded at the rear end of the limiting post (10253), and a magnetic block two (102532) is embedded on one side of the bottom of the contact member (10257). The magnetic block one (102531) and the magnetic block two (102532) attract each other.

5. A combined air conditioning unit according to claim 1, characterized in that: The unit housing (1) is also equipped with a humidification section (11), which is located on one side of the high-efficiency filter (7), and a water collection plate (12) is installed below the humidification section (11).

6. A combined air conditioning unit according to claim 1, characterized in that: Polyethylene sound insulation pads (13) are installed on both the upper and lower sides of the connecting seat (8).

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