Movable central air conditioning unit
By introducing worm gear transmission and screw-slider structure into the central air conditioning unit, automatic cleaning of the filter screen is achieved, solving the problem of filter screen clogging and improving the operational stability and convenience of the equipment.
Patent Information
- Application Number
- CN202423205604.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-25
AI Technical Summary
During use, the air intake filter of existing mobile central air conditioning units is easily clogged by impurities, resulting in reduced air intake efficiency and affecting the normal operation of the equipment.
A central air conditioning unit including an adjustment mechanism, a drive mechanism, and a cleaning mechanism was designed. Through worm gear transmission and a lead screw slider structure, the filter screen is automatically cleaned. The extension spring pushes the brush plate to clean the filter screen, avoiding the accumulation of impurities.
It enables automatic cleaning of the filter, ensuring efficient operation of the equipment, reducing performance degradation caused by clogging, and improving ease of use and reliability.
Smart Images

Figure CN223610322U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to central air conditioning unit technical field, especially relates to a mobile central air conditioning unit. BACKGROUND
[0002] The mobile central air conditioning unit is an air conditioning equipment that can be moved flexibly, which is mainly composed of a refrigeration system, a ventilation system and a control system, etc. The refrigeration system usually includes a compressor, a condenser, an evaporator and a throttling device, and the heat absorption and discharge are realized through the circulation of refrigerant to achieve the effect of refrigeration or heating. The ventilation system is responsible for delivering the treated air to the indoor environment, including fan and air duct components, which can adjust the flow and direction of air. The control system can conveniently adjust the temperature, wind speed, operation mode and other parameters for the user. Compared with the traditional central air conditioning, it does not need to be installed with complex pipelines, and can be moved to different places according to actual needs, such as temporary office, activity exhibition hall, computer room and other occasions to play the role of adjusting indoor temperature, and provide a more comfortable temperature and humidity environment for the local area.
[0003] The Chinese patent with publication number "CN208687866U" discloses a mobile air conditioning unit, which includes a shell, a top cover assembly, a control device, an intermediate tray, a refrigeration system, a bottom disc assembly, the refrigeration system includes a compressor assembly, a low-pressure pipe assembly, a high-pressure pipe assembly, a drying filter, a condenser assembly and an evaporator assembly. The drying filter and the condenser assembly are arranged on the upper part of the intermediate tray, and the compressor assembly and the evaporator assembly are arranged on the lower part of the intermediate tray. The compressor assembly is connected with the evaporator assembly and the condenser assembly through the low-pressure pipe assembly and the high-pressure pipe assembly. The air conditioning unit can be moved to any environment that needs cooling through the movable bottom disc assembly. The closed refrigeration system can quickly cool the high-temperature area, open or unsealed place, workshop assembly line and equipment, effectively improve the working environment of workers, and achieve the purpose of saving electricity, low use and maintenance cost, high efficiency, energy saving and environmental protection compared with the central air conditioning.
[0004] The device has certain convenience during actual use, but has obvious defects in specific use, first, the device lacks corresponding protection structure at the air inlet filter screen during overall use, and a large amount of particulate impurities can easily adhere to the outer surface of the filter screen during daily use, and due to the lack of effective protection, the impurities will continuously accumulate on the surface of the filter screen, and with the passage of time, the accumulation of impurities will cause the filter screen to be gradually blocked, once the filter screen is blocked by dust, the air inlet efficiency will be greatly reduced, the reduction of air inlet efficiency will directly affect the normal operation of the whole equipment, and the performance of the equipment cannot be fully utilized, and even equipment failure may be caused, obviously, this situation makes the device have certain defects and deficiencies in use, therefore, it is urgent to improve it to improve the performance and reliability of the device. Practical new type content
[0005] In view of the problems mentioned in the background art, the purpose of the present application is to provide a mobile central air conditioning unit to solve the problem of inconvenient and rapid cleaning of the filter screen during application of the prior art.
[0006] The above technical purpose of the present application is realized by the following technical scheme:
[0007] A mobile central air conditioning unit, comprising a base, a central air conditioning unit body is fixedly installed on the top of the base, air inlet grooves are formed on the upper ends of the two sides of the central air conditioning unit body, a filter screen is fixedly connected inside the air inlet groove, an adjusting mechanism is fixedly connected to the top of the central air conditioning unit body, a driving mechanism is fixedly connected to one side of the adjusting mechanism, a cleaning mechanism is fixedly connected to the outer side of the driving mechanism, the inner side of the cleaning mechanism and the outer side of the filter screen are connected in a matched manner, universal wheels are movably connected to the four corners of the bottom of the base;
[0008] The adjusting mechanism comprises a top rail, the top rail is fixedly connected to the top of the central air conditioning unit body, a screw rod is rotatably connected inside the top rail, the screw rods at both ends are opposite in screw thread direction, a sliding block is threadedly connected to both ends of the screw rod, the cleaning mechanism is fixedly connected to the outer side of the sliding block, and the driving mechanism is installed at one end of the top rail.
[0009] As a preferred technical scheme, the side surface of the sliding block is in the shape of a Chinese character "K", the overall cross-sectional shape of the internal cavity of the top rail is also in the shape of a Chinese character "K", and a wear-resistant gasket is fixedly connected to the outer surface of the sliding block.
[0010] As a preferred technical scheme, the driving mechanism comprises side plates and a worm wheel, the side plates are fixedly connected to the top of the central air conditioning unit on the two ends of the side, the outer side of one side plate is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a worm through the side plate, the worm wheel is rotatably connected to one end of the top rail, and the worm wheel and the worm are in transmission connection.
[0011] As a preferred technical scheme, the cleaning mechanism comprises a fixed arm, the fixed arm is fixedly connected to the outer side of the sliding block, the inner side of the fixed arm is fixedly connected with elastic springs at equal intervals, the end of the elastic spring is fixedly connected with a brush plate, and the inner side of the brush plate is attached to the outer side of the filter screen.
[0012] As a preferred technical scheme, the outer side of the brush plate is fixedly connected with a support rod, and the outer end of the support rod penetrates through the fixed arm.
[0013] As a preferred technical scheme, the outer side of the fixed arm is fixedly connected with a support rod, and the outer end of the support rod penetrates through the fixed arm.
[0014] As a preferred technical scheme, the outer side of the fixed arm is fixedly connected with a support rod, and the outer end of the support rod penetrates through the fixed arm.
[0015] In summary, the utility model mainly has the following beneficial effects:
[0016] First, the worm and the worm wheel are in transmission connection, the worm wheel is located at one end of the top rail, the rotation of the worm drives the two worm wheels to rotate synchronously, and then drives the lead screw to rotate in the top rail, since the thread rotation directions of the two ends of the lead screw are opposite, the sliding block is driven to slide on the inner side of the top rail, so that the cleaning mechanism is displaced, the cleaning mechanism can brush and clean the filter screen in the air inlet groove, the overall cleaning effect of the device is improved, great convenience is brought to the use of the device, efficient operation of the device is ensured, problems caused by blockage of the filter screen are reduced, and the practicability and reliability of the device are improved.
[0017] Second, the cleaning mechanism is provided, so that the driving motor can be started to drive the worm to rotate during use, the two worm wheels are rotated, the lead screw is driven to rotate in the top rail, the sliding block is driven to reciprocatingly slide, the fixed arm is displaced, the elastic spring on the inner side of the fixed arm pushes the brush plate to attach to the outer surface of the filter screen, when the filter screen is attached with impurities, the brush plate reciprocatingly moves to clean, the automatic cleaning design avoids blockage of the filter screen by dust and impurities, ensures smooth ventilation of the device, manual cleaning is not needed, the use convenience is improved, the device can be long-term and efficient, is suitable for different use environments, and brings better use experience to users. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the overall structure schematic diagram of the utility model;
[0019] Figure 2 is a rear view structure schematic diagram of the utility model;
[0020] Figure 3 is a top view structure schematic diagram of the utility model;
[0021] Figure 4 is a cleaning mechanism structure schematic diagram of the utility model.
[0022] The drawing reference: 1, base, 2, central air conditioning unit body, 3, air inlet slot, 4, filter screen, 5, adjusting mechanism, 51, top rail, 52, screw rod, 53, sliding block, 6, drive mechanism, 61, side plate, 62, worm wheel, 63, drive motor, 64, worm, 7, cleaning mechanism, 71, fixed arm, 72, extension spring, 73, brush plate, 74, support rod, 8, universal wheel, 9, pipeline connection mouth, 10, mounting flange, 11, mounting hole. Specific embodiments
[0023] Embodiments
[0024] Reference Figures 1 to 4 The mobile central air conditioning unit of the embodiment includes the base 1, the top of the base 1 is fixedly installed with the central air conditioning unit body 2, the upper end of the both sides of the central air conditioning unit body 2 is provided with the air inlet slot 3, the inside of the air inlet slot 3 is fixedly connected with the filter screen 4, the top of the central air conditioning unit body 2 is fixedly connected with the adjusting mechanism 5, one side of the adjusting mechanism 5 is fixedly connected with the drive mechanism 6, the outside of the drive mechanism 6 is fixedly connected with the cleaning mechanism 7, the inside of the cleaning mechanism 7 and the outside of the filter screen 4 are connected, the bottom of the base 1 is movably connected with the universal wheel 8 at four corners;
[0025] The adjusting mechanism 5 includes the top rail 51, the top rail 51 is fixedly connected to the top of the both sides of the central air conditioning unit body 2, the inside of the top rail 51 is rotatably connected with the screw rod 52, the screw thread direction of the both ends of the screw rod 52 is opposite, the both ends of the screw rod 52 are threadedly connected with the sliding block 53, the cleaning mechanism 7 is fixedly connected to the outside of the sliding block 53, the drive mechanism 6 is installed at one end of the top rail 51, the air inlet slot 3 is provided at the upper end of the both sides of the central air conditioning unit body 2 on the top of the base 1 and is provided with the filter screen 4, can effectively filter the impurities in the air, in the adjusting mechanism 5 on the top, the top rail 51 is fixed on the top of the both sides of the central air conditioning unit body 2, the screw thread direction of the both ends of the internally rotatably connected screw rod 52 is opposite, the sliding block 53 threadedly connected with the screw rod 52 can drive the cleaning mechanism 7 to move, the drive mechanism 6 cooperates with the cleaning mechanism 7, can automatically clean the filter screen 4, avoids that the dust and impurities block the filter screen 4 and affects the air inlet efficiency and equipment performance, the universal wheel 8 at the bottom of the base 1 makes the unit can move flexibly, adapts to different use scenes, the overall design improves the practicability, reliability and convenience of the equipment.
[0026] With reference to Figures 1-3 , the side surface shape of the sliding block 53 is arranged in a convex shape, the overall cross-sectional shape of the internal cavity of the top rail 51 is also arranged in a convex shape, the outer surface of the sliding block 53 is fixedly connected with a wear-resistant gasket, the front lower end side of the central air conditioning unit body 2 is fixedly connected with a pipe connecting port 9, the outer side of the pipe connecting port 9 is fixedly connected with a mounting flange 10, the outer side of the mounting flange 10 is provided with mounting holes 11 at equal intervals, the mounting holes 11 are arranged as counter-sunk holes, the sliding block 53 side surface and the top rail 51 internal cavity are both designed in a convex shape, which ensures that the sliding block 53 stably slides in the top rail 51 and is not easily deviated, thereby improving the stability of the equipment operation. The wear-resistant gasket on the outer surface of the sliding block 53 can reduce the wear between the sliding block 53 and the top rail 51, thereby prolonging the service life of the equipment. The pipe connecting port 9 at the front lower end side of the central air conditioning unit body 2 is convenient for connection with external pipes, and the mounting flange 10 on the outer side and the counter-sunk holes provided at equal intervals make the installation more firm and beautiful, and the counter-sunk holes can completely embed the bolt head, avoiding collision and other situations caused by the protrusion of the bolt, thereby improving the practicality and reliability of the equipment.
[0027] With reference to Figures 1-3 , the driving mechanism 6 includes a side plate 61 and a worm gear 62, the side plate 61 is fixedly connected to the front and rear ends of one side of the top of the central air conditioning unit, the outer side of one side plate 61 is fixedly connected with a driving motor 63, the output end of the driving motor 63 is fixedly connected with a worm 64 penetrating through the side plate 61, the worm gear 62 is rotatably connected to one end of the top rail 51, the worm gear 62 and the worm 64 are in transmission connection, the side plate 61 is fixed to the front and rear ends of one side of the top of the central air conditioning unit, thereby providing a stable mounting position for the driving motor 63 and the worm gear 62 and other components, the output end of the driving motor 63 is connected with the worm 64 penetrating through the side plate 61, and the driving motor 63 can accurately drive the worm 64 to rotate after being started, the worm gear 62 is rotatably connected to one end of the top rail 51 and in transmission connection with the worm 64, this transmission mode can effectively transmit the power of the driving motor 63 to the adjusting mechanism 5, thereby realizing accurate control of the cleaning mechanism 7, this design enables the equipment to automatically clean the filter screen 4 during operation, thereby avoiding the influence of the clogging of the filter screen 4 on the performance of the central air conditioning unit and improving the reliability and stability of the equipment. At the same time, this mechanical transmission structure is compact and occupies a small space, which does not affect the overall appearance and moving performance of the equipment.
[0028] With reference to Figure 4The cleaning mechanism 7 comprises a fixed arm 71 fixedly connected to the outer side of the sliding block 53, the inner side of the fixed arm 71 is fixedly connected with elastic springs 72 at equal intervals, the end of the elastic spring 72 is fixedly connected with a brush plate 73, the inner side of the brush plate 73 is connected with the outer side of the filter screen 4, the outer side of the brush plate 73 is fixedly connected with a support rod 74, the outer end of the support rod 74 penetrates through the fixed arm 71, and the fixed arm 71 is fixed on the outer side of the sliding block 53, so as to provide stable support for the cleaning mechanism 7, the elastic springs 72 arranged at equal intervals on the inner side can push the brush plate 73 to tightly contact the outer side of the filter screen 4, so that good contact can be maintained in different situations, and the unevenness of the filter screen 4 can be adapted, when impurities are attached to the outer surface of the filter screen 4, the brush plate 73 can always contact and clean the filter screen 4 under the action of the elastic spring 72, so that the cleaning effect is improved, the setting of the support rod 74 ensures the stable movement of the brush plate 73 and prevents excessive deviation, the automatic cleaning mechanism 7 does not need manual intervention, dust and impurities can be effectively prevented from blocking the filter screen 4, the air inlet efficiency and performance stability of the central air conditioning unit are ensured, and the convenience and reliability of the equipment are improved.
[0029] Principle and advantages: by setting the adjusting mechanism 5 and the driving mechanism 6, the device can be started by driving the motor 63 during use, when the driving motor 63 is running, the worm 64 can be rotated, the worm 64 and the worm gear 62 are connected with each other, and the worm gear 62 is rotatably installed at one end of the top rail 51, at this time, the driving motor 63 drives the worm 64 to rotate, the rotation of the worm 64 can drive both worm gears 62 to rotate synchronously, the worm gear 62 rotates to drive the lead screw 52 to rotate inside the top rail 51, when the lead screw 52 rotates, because the thread directions of the two ends of the lead screw 52 are opposite, the sliding block 53 can be driven to slide inside the top rail 51 synchronously, and then the sliding of the sliding block 53 can drive the two cleaning mechanisms 7 to displace synchronously, through the displacement of the cleaning mechanism 7, the cleaning mechanism 7 can clean the filter screen 4 inside the air inlet slot 3, and the design improves the overall cleaning effect of the device, which brings great convenience to the use of the device;
[0030] By setting the cleaning mechanism 7, so that the device during use, can be driven by starting the motor 63 worm 64 rotation, worm 64 rotation can be driven simultaneously two worm gear 62 are rotated, worm gear 62 rotation can be driven simultaneously inside the lead screw 52 located in the top rail 51 rotation, lead screw 52 rotation in turn can drive the slider 53 reciprocating sliding, when the slider 53 reciprocating sliding, will drive the fixed arm 71 reciprocating displacement, during the fixed arm 71 reciprocating displacement, fixed arm 71 inside the extension spring 72 can push the brush plate 73 closely attached to the outer surface of the filter screen 4, when the outer surface of the filter screen 4 attached to the impurities, with the reciprocating activity of the brush plate 73, the brush plate 73 can be attached to the outer surface of the filter screen 4 brush cleaning, this design can make the device as a whole has good cleaning effect, its automatic cleaning design, can effectively avoid the dust and impurities block filter screen 4 situation, its easy to clean design can make the device can be long-term efficient ventilation, avoid because of dust block filter screen and lead to poor ventilation, automatic cleaning without manual cleaning, greatly improves the overall device is convenient to use, facilitates the use of the device.
Claims
1. A mobile central air conditioning unit comprising a base (1), characterised in that: The top of the base (1) is fixedly provided with a central air conditioning unit body (2), both sides of the upper end of the central air conditioning unit body (2) is provided with an air inlet slot (3), the inside of the air inlet slot (3) is fixedly connected with a filter screen (4), the top of the central air conditioning unit body (2) is fixedly connected with an adjusting mechanism (5), one side of the adjusting mechanism (5) is fixedly connected with a driving mechanism (6), the outer side of the driving mechanism (6) is fixedly connected with a cleaning mechanism (7), the inner side of the cleaning mechanism (7) and the outer side of the filter screen (4) are connected, the bottom of the base (1) is movably connected with a universal wheel (8) at four corners. The adjusting mechanism (5) comprises a top rail (51), the top rail (51) is fixedly connected to the top of the central air conditioning unit body (2) on both sides, a lead screw (52) is rotatably connected in the top rail (51), the thread rotation directions of the two ends of the lead screw (52) are opposite, the two ends of the lead screw (52) are both threadedly connected with a sliding block (53), the cleaning mechanism (7) is fixedly connected to the outer side of the sliding block (53), and the driving mechanism (6) is installed at one end of the top rail (51).
2. The mobile central air conditioning unit of claim 1, wherein: The side surface shape of the sliding block (53) is in the shape of a convex character, the overall cross-sectional shape of the internal cavity of the top rail (51) is also in the shape of a convex character, and a wear-resistant gasket is fixedly connected to the outer surface of the sliding block (53).
3. The mobile central air conditioning unit of claim 2, wherein: The driving mechanism (6) comprises a side plate (61) and a worm gear (62), the side plate (61) is fixedly connected to the top of the central air conditioning unit on both ends of one side, a driving motor (63) is fixedly connected to the outer side of one side plate (61), a worm (64) is fixedly connected to the output end of the driving motor (63) penetrating through the side plate (61), the worm gear (62) is rotatably connected to one end of the top rail (51), and the worm gear (62) and the worm (64) are in transmission connection.
4. The mobile central air conditioning unit of claim 1, wherein: The cleaning mechanism (7) comprises a fixed arm (71), the fixed arm (71) is fixedly connected to the outer side of the sliding block (53), the inner side of the fixed arm (71) is fixedly connected with elastic springs (72) at equal intervals, the ends of the elastic springs (72) are fixedly connected with brush plates (73), and the inner side of the brush plate (73) is connected with the outer side of the filter screen (4) in a matched mode.
5. The mobile central air conditioning unit of claim 4, wherein: The outer side of the brush plate (73) is fixedly connected with a supporting rod (74), and the outer end of the supporting rod (74) penetrates through the fixed arm (71).
6. The mobile central air conditioning unit of claim 1, wherein: The front lower end of the central air conditioning unit body (2) is fixedly connected with a pipeline connecting port (9), and the outer side of the pipeline connecting port (9) is fixedly connected with a mounting flange (10).
7. The mobile central air conditioning unit of claim 6, wherein: The outer side of the mounting flange (10) is provided with mounting holes (11) at equal intervals, and the mounting holes (11) are provided in the form of countersunk holes.
Citation Information
Patent Citations
Mobile air conditioning unit
CN208687866U