Detachable split type cooling and heating tower fan

The tower fan with a detachable design solves the problems of limited functionality and difficult cleaning, enables flexible switching between heating and cooling functions and convenient maintenance, reduces production and transportation costs, and improves the user experience.

CN223991843UActive Publication Date: 2026-03-13SHENZHEN LIANCHUANG ELECTRICAL APPLIANCE INDUSTRY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2026-03-13

AI Technical Summary

Technical Problem

Existing tower fans have limited functionality and cannot meet the needs of different seasons. Their non-disassemblable structure makes cleaning difficult, production costs are high, maintenance is inconvenient, and transportation costs are also high.

Method used

Designed as a detachable structure, it includes separate upper and lower housings connected by snap-fit ​​and self-locking switches, enabling separate design of heating and cooling functions, facilitating disassembly and cleaning, and reducing production and transportation costs.

Benefits of technology

It enables flexible switching between heating and cooling functions, facilitates maintenance and cleaning, reduces production and transportation costs, and improves user experience and space utilization efficiency.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The detachable split type cooling and heating tower fan comprises an upper machine body shell, a lower machine body shell and a base which are independently arranged, the upper machine body shell and the lower machine body shell form a detachable connecting structure, and the lower end of the lower machine body shell is arranged on the base through a head swinging mechanism; an air supply assembly and an upper connecting shaft assembly are arranged in the upper machine body shell, the upper connecting shaft assembly is arranged below the air supply assembly and is close to the lower end of the upper machine body shell, an upper connecting shaft of the upper connecting shaft assembly is connected with the air supply assembly, and an upper coupler is arranged at the lower end of the upper connecting shaft; a fan assembly, a heating assembly, a driving device and a lower connecting shaft assembly are arranged in the lower machine body shell, and a lower coupler on the lower connecting shaft assembly is connected with a driving shaft of the driving device; after the upper fuselage shell and the lower fuselage shell are in butt joint, the upper coupler and the lower coupler are connected in an inserted and matched mode. The tower fan solves the problems that an existing tower fan is single in function, inconvenient to use, difficult to clean and the like, and is lower in packaging cost and convenient to maintain.
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Description

Technical Field

[0001] This utility model relates to the field of household appliance technology, specifically to a detachable heating and cooling tower fan. Background Technology

[0002] Currently, tower fans on the market utilize cross-flow fans to "throw" air out, creating airflow. The rotating impeller generates centrifugal force, which is then delivered through internal air guide walls, forming a three-dimensional airflow wall perpendicular to the ground. This provides even and gentle airflow, closely resembling natural wind. Existing tower fans are smaller than traditional fans, easier to use, and deliver gentle airflow, making them widely applicable in homes. Traditional tower fans, however, have limited functionality, often only providing cooling. Their fixed structure restricts their use in various scenarios and functional expansion. They are generally unusable in cold winter weather, making them highly seasonal and reducing their lifespan. Some tower fans on the market use heating elements within the fan duct or at the outlet to create hot or cold air. Because of the electrical connection to the heating element, cleaning the impeller requires removing the back cover. Due to the complex and non-disassembly structure, dirt and grime can easily accumulate inside, making thorough cleaning difficult. Furthermore, they lack convenient switching between heating and cooling functions, or only offer limited functionality. Localized heating and cooling adjustments are insufficient to meet the diverse needs of users in different seasons and environments, nor can they satisfy the user's desire for flexible use of heating and cooling functions independently in different scenarios. Furthermore, the presence of a heating element in some tower fans significantly reduces their airflow performance, severely impacting the user experience. While current switchable tower fans utilize mechanisms to redirect the heating element during cooling, their complex overall structure and numerous moving parts result in high production and assembly costs, increasing the overall product risk and uncertainty. Most tower fans integrate heating and cooling functions, making repairs costly and inconvenient when one function malfunctions. Additionally, many tower fans are long and include a base, leading to bulky packaging and high transportation costs. Utility Model Content

[0003] To address the inconvenience caused by the integrated functions of existing tower fans, as well as the inconvenience and cleaning difficulties resulting from the single function and non-detachable structure of tower fans, and to achieve diversified tower fan functions, ease of use, and simple maintenance, while reducing packaging and transportation costs, this utility model provides a detachable heating and cooling tower fan.

[0004] The technical solution adopted is as follows:

[0005] A detachable tower fan for heating and cooling includes an independently configured upper housing, a lower housing, and a base. The upper housing and the lower housing form a detachable connection structure. The lower end of the lower housing is mounted on the base via a swing mechanism. The upper housing has an air inlet and an upper air outlet, and internally houses an air supply assembly and an upper connecting shaft assembly. The upper connecting shaft assembly is located below the air supply assembly and near the lower end of the upper housing. The upper connecting shaft is connected to the air supply assembly, and the lower end of the upper connecting shaft is provided with an upper coupling; the lower housing is provided with an air inlet and a lower air outlet, and the lower housing is provided with a fan assembly, a heating assembly, a drive device and a lower connecting shaft assembly. The connecting shaft assembly is located near the upper end of the lower housing, and the lower coupling on the lower connecting shaft assembly is connected to the drive shaft of the drive device; after the upper housing and the lower housing are connected, the upper coupling and the lower coupling form a plug-in connection.

[0006] Preferably, the upper connecting shaft assembly includes an upper connecting shaft, a bearing housing, an upper bottom cover, and an upper coupling. The upper bottom cover is installed on the lower inner side of the upper housing, the bearing housing is installed in the middle through hole of the upper bottom cover, the upper connecting shaft passes through the bearing housing from top to bottom, and the upper coupling is installed at the lower end of the upper connecting shaft. The lower connecting shaft assembly includes a lower coupling, a drive motor, a motor bracket, and a lower top cover. The lower top cover is installed on the upper inner side of the lower housing, the drive motor is fixed to the lower top cover by the motor bracket, the drive shaft of the drive motor passes through the lower top cover from bottom to top, and the lower coupling is installed at the upper end of the drive shaft.

[0007] Furthermore, a buckle is provided on the lower end face of the upper bottom cover, and a slot is provided on the upper end face of the lower top cover. When the upper body housing and the lower body housing are connected, the buckle and the slot are engaged and fixed.

[0008] Preferably, the buckle is an L-shaped buckle structure, and the slot is an L-shaped slot structure that rotates and locks with the buckle.

[0009] Furthermore, the upper bottom cover is provided with an annular protrusion, and the lower top cover is provided with an annular groove. When the upper body housing and the lower body housing are docked, the annular protrusion is inserted into the annular groove.

[0010] Furthermore, a self-locking switch device (8) is provided at the joint between the upper fuselage housing and the lower fuselage housing to prevent relative rotation between the two.

[0011] More preferably, the upper end face of the lower top cover is further provided with an opening, and a sliding groove is formed on the side near the upper end of the lower body housing. The lower end face of the upper bottom cover is further provided with a groove, the groove corresponding to the opening. The self-locking switch device includes a switch plate, a spring, and a self-locking switch. The switch plate includes a sliding plate, a slider fixed to the inner side of the sliding plate, and a top rod and a latching rod disposed on the upper and lower sides of the slider. The slider is inserted into the sliding groove, and the sliding plate is located on the outer side of the lower body housing. The top rod and latching rod... Located inside the lower housing, the self-locking switch is fixed to the inner side of the lower housing and has a snap-fit ​​groove at its upper end. The spring is fitted around the outer periphery of the self-locking switch and the snap-fit ​​rod. When the upper housing and the lower housing are connected, the snap-fit ​​rod disengages from the snap-fit ​​groove under the force of the spring, allowing the push rod to move upward through the opening and insert into the groove. When the slide plate moves downward, the spring deforms under pressure, and the lower end of the snap-fit ​​rod engages with the snap-fit ​​groove, while the upper end of the push rod moves out of the groove.

[0012] Preferably, the upper housing includes a front shell, a rear shell, and a top cover. The upper air outlet is disposed on the front shell, the air inlet is disposed on the rear shell, the air supply assembly is mounted on the front shell, and an air inlet mesh is also provided on the outer side of the air inlet of the rear shell. The front shell and the rear shell form a detachable fixed connection, and the top cover is fastened to the upper end of the front shell and the rear shell.

[0013] Preferably, the lower housing includes a lower front shell and a lower rear cover. The lower air outlet is disposed on the lower front shell, and the air inlet is disposed on the lower rear cover. A front iron mesh is also provided on the outer side of the lower air outlet of the lower front shell, and a lower rear air inlet mesh cover is also provided on the outer side of the air inlet of the lower rear cover. The heating element is mounted on the lower front shell, and the fan assembly is mounted on the heating element. The bottom end of the base is also provided with an anti-slip rubber pad that contacts the ground.

[0014] Furthermore, a temperature sensor is provided on the heating element, and a gravity sensor switch is provided inside the base. The temperature sensor and the gravity sensor switch are connected to the control device of the heating and cooling tower fan. The temperature sensor is used to detect the temperature inside the lower housing and transmit it to the control device. The control device controls the heating temperature of the heating element according to a set temperature threshold. The gravity sensor switch is used to sense the tilt angle of the heating and cooling tower fan. When the tilt angle of the heating and cooling tower fan is greater than the set threshold, the control device cuts off the power supply to the heating element, the fan assembly, and the air supply assembly.

[0015] The technical solution of this utility model has the following advantages:

[0016] A. The detachable cooling and heating tower fan disclosed in this utility model has the characteristics of multiple functions. By separating the cooling and heating functions, users can use the cooling or heating functions separately according to their actual needs. For example, in summer, only the upper cooling section can be turned on to effectively reduce the indoor temperature and provide cool air; in winter, the lower heating section can be turned on to make the indoor temperature warm and comfortable.

[0017] B. The detachable cooling and heating tower fan disclosed in this utility model has the advantages of convenient maintenance and cleaning. The detachable upper part that only outputs cold air facilitates cleaning and maintenance by the user. If the air outlet of the upper part of the cold air section is blocked by dust or the internal cooling components malfunction, the user can easily disassemble it for cleaning or repair without having to perform complicated operations on the entire device.

[0018] C. The detachable heating and cooling tower fan disclosed in this utility model has a flexible warm air outlet method. The lower part with a base oscillating head can change the air outlet direction. Through the oscillation function, the warm air can be evenly distributed in all corners of the room, improving heating efficiency, avoiding local overheating, and making the room temperature more even.

[0019] D. The detachable heating and cooling tower fan disclosed in this utility model has the advantage of efficient space utilization. The rational design of the upper and lower structures makes full use of space. Compared with traditional integrated heating and cooling fans, this design integrates two functions without increasing the floor space, making it suitable for placement in rooms or offices of various sizes. Attached Figure Description

[0020] To more clearly illustrate the specific embodiments of this utility model, the drawings used in the specific embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0021] Figure 1 This is an isometric schematic diagram of the detachable heating and cooling tower fan provided by this utility model;

[0022] Figure 2 This is a side view of the detachable heating and cooling tower fan provided by this utility model;

[0023] Figure 3 yes Figure 2 The BB section view shown;

[0024] Figure 4 This is the main view of the detachable heating and cooling tower fan provided by this utility model;

[0025] Figure 5 yes Figure 4 The diagram shows the AA cross-section and airflow direction;

[0026] Figure 6 This is a schematic diagram of the disassembly and installation of the detachable heating and cooling tower fan provided by this utility model;

[0027] Figure 7 This is a schematic diagram of the installation and connection point of the detachable heating and cooling tower fan provided by this utility model;

[0028] Figure 8 This is a schematic diagram of the connection between the upper and lower joints of the detachable heating and cooling tower fan provided by this utility model;

[0029] Figure 9 This is an exploded schematic diagram of the upper and lower joint of the detachable heating and cooling tower fan provided by this utility model;

[0030] Figure 10 This is an exploded view of the detachable heating and cooling tower fan provided by this utility model.

[0031] The meanings of the symbols in the image are as follows:

[0032] 1-Head Swing Mechanism

[0033] 2-Air supply components

[0034] 21-Wind wheel, 22-Upper fixed plate assembly, 23-Air duct, 24-Baffle

[0035] 3-Upper connecting shaft assembly

[0036] 31-Upper connecting shaft, 32-Upper coupling

[0037] 33-Bearing Housing

[0038] 331 - Bearing, 332 - Right fixing plate, 333 - Left fixing plate

[0039] 34-Top cover

[0040] 341-Snap fastener, 342-Annular protrusion, 343-Groove

[0041] 4-Fan assembly; 5-Heating assembly

[0042] 6-Drive unit

[0043] 61-Drive shaft, 62-Drive motor

[0044] 7-Lower connecting shaft assembly

[0045] 71-Lower Coupling

[0046] 72-Motor bracket

[0047] 73-Lower Top Cover

[0048] 731-Slot, 732-Annular groove, 733-Opening

[0049] 8-Self-locking switch device

[0050] 81-Switchboard

[0051] 811-Skateboard, 812-Slider, 813-Top Rod, 814-Snap Rod

[0052] 82-Spring

[0053] 83-Self-locking switch

[0054] 831-Card slot

[0055] 9-Power Supply Components

[0056] 100-Upper fuselage shell

[0057] 1001 - Front housing, 1002 - Rear housing, 1003 - Top cover, 1004 - Air inlet grille, 200 - Lower fuselage housing, 200a - Slide groove

[0058] 2001 - Lower front cover, 2002 - Lower rear cover, 2003 - Front metal mesh

[0059] 2004-Lower Rear Air Intake Cover

[0060] 300-base

[0061] A1 - Air inlet, B1 - Upper air outlet, A2 - Air inlet, B2 - Lower air outlet. Detailed Implementation

[0062] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0063] like Figures 1 to 10As shown, this utility model provides a detachable tower fan for heating and cooling, including an independently set upper housing 100, a lower housing 200 and a base 300. The upper housing 100 and the lower housing 200 form a detachable connection structure. The lower end of the lower housing 200 is set on the base 300 through a swing mechanism 1, so that the lower housing 200 can rotate relative to the base 300. The upper housing 100 is provided with an air inlet A1 and an upper air outlet B1. Inside it are an air supply assembly 2 and an upper connecting shaft assembly 3. The upper connecting shaft assembly 3 is located below the air supply assembly 2 and near the lower end of the upper housing 100. The upper connecting shaft 31 of the upper connecting shaft assembly 3 is connected to the air supply assembly 2. The lower end of the upper connecting shaft 31 is provided with an upper coupling 32. The lower housing 200 is provided with an air inlet A2 and a lower air outlet B2. Inside the lower housing 200 are a fan assembly 4, a heating assembly 5, a drive device 6, a lower connecting shaft assembly 7, and a power supply assembly 9. The connecting shaft assembly 7 is located near the upper end of the lower housing 200. The lower coupling 71 on the lower connecting shaft assembly 7 is connected to the drive shaft 61 of the drive device 6. After the upper housing 100 and the lower housing 200 are connected, the upper coupling 32 and the lower coupling 71 form a plug-in connection. This utility model provides an air supply assembly and an upper connecting shaft assembly 3 inside the upper housing, and a drive device for driving the air supply assembly inside the upper housing, as well as a fan assembly, a heating assembly, a power supply assembly, and a lower connecting shaft assembly inside the lower housing. The upper and lower sections are detachable and modular to facilitate assembly and disassembly. The upper and lower fan assemblies are connected by a docking mechanism, which enables good transmission between the two fan assemblies and reduces the vibration of the transmission shaft of the fan assembly during operation, so as to ensure the smooth operation of the tower fan.

[0064] like Figure 9 and Figure 10As shown, the upper connecting shaft assembly 3 includes an upper connecting shaft 31, a bearing seat 33, an upper bottom cover 34, and an upper coupling 32. The bearing seat 33 includes a bearing 331, a left fixing plate 333, and a right fixing plate 332. The left fixing plate and the right fixing plate are arranged on opposite sides of the bearing and fix the bearing. The left fixing plate and the right fixing plate are fixedly connected to the upper bottom cover 34 by bolts. The upper bottom cover 34 is installed on the lower inner side of the upper housing 100. The bearing seat 33 is installed in the middle through hole of the upper bottom cover 34. The upper connecting shaft 31 passes through the bearing hole of the bearing seat 33 from top to bottom. The upper coupling 32 is installed at the lower end of the upper connecting shaft 31. The upper coupling 32 is preferably a cloverleaf coupling. The lower connecting shaft assembly 7 includes a lower coupling 71, a motor bracket 72 and a lower top cover 73. The lower top cover 73 is installed on the upper inner side of the lower housing 200. The drive motor 62 of the drive device 6 is fixed to the lower top cover 73 through the motor bracket 72. The drive shaft 61 of the drive motor 62 passes through the lower top cover 73 from bottom to top. The lower coupling 71 is installed at the upper end of the drive shaft 61. The lower coupling 71 is preferably a cloverleaf coupling. The upper and lower couplings are combined to form a whole.

[0065] As a further preferred embodiment of this utility model, the upper bottom cover 34 and the lower top cover 73 adopt a quick-release connection structure. A buckle 341 is provided on the lower end surface of the upper bottom cover 34. As shown in the figure, the preferred buckle 341 is an L-shaped buckle structure. A slot 731 is provided on the upper end surface of the lower top cover 73. The preferred slot 731 adopts an L-shaped slot structure that rotates and locks with the buckle 341. When the upper body housing 100 and the lower body housing 200 are connected, the buckle 341 and the slot 731 form a snap-fit ​​fixation.

[0066] As a further preferred embodiment of this utility model, such as Figure 7-10 As shown, the upper bottom cover 34 is provided with an annular protrusion 342, and the lower top cover 73 is provided with an annular groove 732. When the upper body housing 100 and the lower body housing 200 are connected, the annular protrusion 342 is inserted into the annular groove 732, and a circumferential limiting connection is formed with the slot 731 through the buckle 341.

[0067] To ensure a stable and secure connection between the upper and lower structures and prevent accidental disassembly, a self-locking switch device 8 is provided at the joint between the upper fuselage housing 100 and the lower fuselage housing 200 to prevent relative rotation between the two. See details for the specific structure. Figure 5 and Figure 9 As shown. An opening 733 is provided on the upper end face of the lower top cover 73, and a groove 200a is formed on the side near the upper end of the lower fuselage housing 200, as shown. Figure 10As shown, a groove 343 is also provided on the lower end surface of the upper bottom cover 34, and the groove 343 corresponds to the position of the opening 733; the self-locking switch device 8 includes a switch plate 81, a spring 82 and a self-locking switch 83. The switch plate 81 includes a slide plate 811, a slider 812 fixed to the inner side of the slide plate 811, and a top rod 813 and a latching rod 814 provided on the upper and lower sides of the slider 812. The slider 812 is inserted into the slide groove 200a. The slide plate 811 is located on the outer side of the lower body housing 200. Pushing the slide plate 811 up and down on the outer side of the lower body housing 200 can move the slider 812 up and down in the slide groove 200a. The top rod 813 and the latching rod 814 are located on the inner side of the lower body housing 200. The self-locking switch 83 is parallel to the lower body housing 200. The axis of the upper fuselage housing 200 is fixed to the inner side of the lower fuselage housing 200. Its upper end has a locking groove 831. A spring 82 is fitted around the self-locking switch 83 and the latching rod 814. When the upper fuselage housing 100 mates with the lower fuselage housing 200, the sliding plate 811 is pushed upwards. Under the upward pushing force and the spring force, the latching rod 814 disengages from the locking groove 831, allowing the push rod 813 to move upwards, pass through the opening 733, and insert into the groove 343. When the sliding plate 811 is moved downwards, the spring 82 deforms under pressure, and the lower end of the latching rod 814 engages with the locking groove 831. The upper end of the push rod 813 moves out of the groove 343. Separation is achieved by rotating the upper fuselage housing relative to the lower fuselage housing at a certain angle. Figure 6 and Figure 7 As shown, by providing a buckle 341 and a groove 343 that mates with the switch plate 81 on the upper bottom cover 34, the double mating can prevent accidental disassembly and ensure the stability of the structure.

[0068] To facilitate disassembly and assembly and reduce costs, the upper housing 100 includes a front housing 1001, a rear housing 1002, and a top cover 1003. An upper air outlet B1 is located on the front housing 1001, and an air inlet A1 is located on the rear housing 1002. An air supply assembly 2 is installed on the front housing 1001. An air inlet mesh 1004 is also provided on the outside of the air inlet A1 of the rear housing 1002. The front housing 1001 and the rear housing 1002 form a detachable fixed connection, and the top cover 1003 is fastened to the upper end of the front housing 1001 and the rear housing 1002. The lower casing 200 includes a lower front casing 2001 and a lower rear cover 2002. The lower air outlet B2 is located on the lower front casing 2001, and the air inlet A2 is located on the lower rear cover 2002. A front iron mesh 2003 is also provided on the outside of the lower air outlet B2 of the lower front casing 2001, and a lower rear air inlet mesh cover 2004 is also provided on the outside of the air inlet A2 of the lower rear cover 2002. The heating element 5 is installed on the lower front casing 2001, and the fan assembly 4 is installed on the heating element 5. The bottom of the base 300 is also provided with an anti-slip rubber pad that contacts the ground to increase the friction with the ground and prevent the tower fan from tipping over or sliding during use.

[0069] As a further preferred embodiment of this utility model, the heating element 5 is provided with a temperature sensor (not shown in the figure), and the base 300 is provided with a gravity sensor switch (not shown in the figure). The temperature sensor and the gravity sensor switch are connected to the control device of the heating and cooling tower fan. The temperature sensor is used to detect the temperature inside the lower housing 200 and transmit it to the control device. The control device controls the heating temperature of the heating element 5 according to the set temperature threshold. The gravity sensor switch is used to sense the tilt angle of the heating and cooling tower fan. When the tilt angle of the heating and cooling tower fan is greater than the set threshold, the control device cuts off the power supply to the heating element 5, the fan assembly 4, and the air supply assembly 2.

[0070] The specific assembly process is described below:

[0071] Upper cooling unit assembly: Bearing 331 is tightly fitted into upper connecting shaft 31. Upper connecting shaft 31 is then locked to one end of impeller 21 of air supply assembly 2 with screws. Impeller 21 is then installed in air duct 23. Upper fixing plate assembly 22 is inserted into the shaft of impeller 21. After fixing upper fixing plate assembly 22 to air duct 23, baffle 24 is installed and fixed to air duct 23 through positioning points and screws. The assembled air supply assembly 2 is fixed to front housing 1001 with snap screws. Left fixing plate 333... The right fixing plate 332 is fixed on the air duct 23 to fix the bearing 331. Then, the upper connecting shaft 31 is fixed on the upper coupling 32, and the upper bottom cover 34 is fixed on the air duct 23. The rear shell 1002 slides down from top to bottom and engages with the front shell 1001. To make the structure stable and safe, screws are added to lock the rear shell 1002 onto the front shell 1001. After installation, the top cover 1003 is fastened onto the front and rear shells. The upper part is completely de-energized, making it easy to disassemble and clean.

[0072] The upper cooling section houses a dedicated cooling air generation system, including an optimized air supply component 2. Rotating fan blades draw air in through a specially designed air inlet A1, where it is accelerated and rectified before being expelled from the upper air outlet B1. A removable and washable air filter is fitted at air inlet A1 to effectively filter dust and other impurities, ensuring the cleanliness of the expelled air. The entire housing is made of lightweight yet robust engineering plastic, providing excellent heat dissipation. The housing's shape is designed according to aerodynamic principles, reducing wind resistance and noise. The upper air outlet B1 is elongated and can be controlled by a manually or electrically adjustable air guide plate to achieve multi-angle airflow, meeting the needs of different users.

[0073] Lower heating element assembly:Secure the front iron mesh 2003 onto the lower front shell 2001, then fix the fan assembly 4 onto the heating assembly 5, and finally install and fix the heating assembly 5 onto the lower front shell 2001. Next, fix the drive motor 62 onto the motor bracket 72, and then fix the motor bracket 72 onto the lower top cover 73. Finally, install the lower coupling 71 onto the drive motor 62. Install the switch plate 81 onto the lower rear cover 2002, install the self-locking switch 83 into the groove of the lower rear cover 2002, and then place the spring 82 on the outer periphery of the self-locking switch 83. After installation, install the swing mechanism 1 onto the lower rear cover 2002, and then fix the lower rear cover 2002 onto the lower front shell 2001. After installation, install the lower rear air intake cover 2004 onto the lower rear cover 2002.

[0074] After the upper and lower ends are installed, slide the switch plate 81 down onto the self-locking switch 83 and lock it in place. Then, align the bottom of the upper cold air section with the upper end of the lower warm air section. Screw the buckle 341 of the upper bottom cover 34 of the upper cold air section into the slot 731 of the lower top cover 73 of the lower warm air section. Then, slide the switch plate 81 to unlock the self-locking switch 83. Under the action of the spring 82, the switch plate 81 is lifted up and locked into the groove 343 of the bottom cover 34 of the upper cold air section, so that the upper and lower structures are stably and safely connected, ensuring safety and preventing accidental disassembly.

[0075] This invention connects the upper cooling section and the lower heating section using a convenient snap-fit ​​and press-locking switch connection structure. The snap-fit ​​structure ensures a stable connection, while the press-locking switch prevents accidental disassembly, allowing users to perform accurate and quick disassembly and installation operations.

[0076] The lower heating section houses a built-in fan assembly and heating element, which boasts high heating efficiency, rapid temperature rise, and excellent safety performance. When the heating function is activated, air is drawn in through inlet A2, heated by the heating element 5, and then oscillated left and right by the oscillating mechanism 1 at the lower outlet B2, with an oscillation angle range of 60°-120°, ensuring even distribution of warm air over a wide area. The lower casing of the heating section houses the control circuitry and power supply components. The control circuitry manages the heating power, oscillation motion, and the high-efficiency motor driving the upper cooling section. The power supply can be connected to mains power and features overvoltage and overcurrent protection to ensure the safe and stable operation of the tower fan.

[0077] Because the upper section of the cooling unit is a non-electric component, it is easy to assemble and disassemble, washable, and allows for thorough cleaning of the interior. The detachable upper and lower sections effectively save on packaging materials and reduce transportation costs. Furthermore, the lower section of the heating unit incorporates overheat protection. A high-precision temperature sensor is installed near the heating element; when the temperature exceeds a set safety threshold (e.g., 80°C), the heating power is automatically reduced or the heating circuit is cut off to prevent fires or other safety accidents caused by overheating. After the temperature returns to normal, the heating function is automatically restored or the user is prompted to troubleshoot the problem.

[0078] Meanwhile, a gravity sensor switch is installed inside the base. When the tower fan tilts, the gravity sensor switch is immediately triggered, cutting off the power supply to the entire tower fan to avoid electrical short circuits, leakage and other safety hazards caused by tilting, and to protect the personal safety and property safety of users.

[0079] In addition, this invention features a child lock function, which is present on both the physical control panel of the tower fan and the mobile app control interface. When the child lock is activated, all operation buttons and control commands are locked to prevent safety issues caused by accidental operation by children. The child lock can only be deactivated via a password or a specific unlocking procedure.

[0080] Any aspects not covered in this utility model are applicable to the prior art.

[0081] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this utility model.

Claims

1. A detachable body type cooling and heating tower fan, characterized by, The cold and warm tower fan comprises an independently arranged upper body shell (100), a lower body shell (200) and a base (300), the upper body shell (100) and the lower body shell (200) form a detachable connection structure, the lower end of the lower body shell (200) is arranged on the base (300) through a swing head mechanism (1); the upper body shell (100) is provided with an air inlet hole (A1) and an upper air outlet (B1), and is internally provided with a feeding assembly (2) and an upper connecting shaft assembly (3), the upper connecting shaft assembly (3) is arranged below the feeding assembly (2) and close to the lower end of the upper body shell (100), the upper connecting shaft (31) of the upper connecting shaft assembly (3) is connected with the feeding assembly (2), and the lower end of the upper connecting shaft (31) is provided with an upper coupling (32); the lower body shell (200) is provided with an air inlet (A2) and a lower air outlet (B2), and is internally provided with a fan assembly (4), a heating assembly (5), a driving device (6) and a lower connecting shaft assembly (7), the connecting shaft assembly (7) is arranged close to the upper end of the lower body shell (200), and the lower coupling (71) of the lower connecting shaft assembly (7) is connected with the driving shaft (61) of the driving device (6); after the upper body shell (100) and the lower body shell (200) are connected, the upper coupling (32) and the lower coupling (71) form a plug-in connection.

2. The detachable body-type cooling and heating tower fan according to claim 1, characterized by, The upper connecting shaft assembly (3) comprises an upper connecting shaft (31), a bearing seat (33), an upper bottom cover (34) and an upper coupling (32), the upper bottom cover (34) is installed at the inner side of the lower end of the upper body shell (100), the bearing seat (33) is installed at the middle through hole of the upper bottom cover (34), the upper connecting shaft (31) penetrates the bearing seat (33) from top to bottom, and the upper coupling (32) is installed at the lower end of the upper connecting shaft (31); the lower connecting shaft assembly (7) comprises a lower coupling (71), a motor support (72) and a lower top cover (73), the lower top cover (73) is installed at the inner side of the upper end of the lower body shell (200), the driving motor (62) of the driving device (6) is fixed on the lower top cover (73) through the motor support (72), the driving shaft (61) of the driving motor (62) penetrates the lower top cover (73) from bottom to top, and the lower coupling (71) is installed at the upper end of the driving shaft (61).

3. The knockdown body-type cooling and heating tower fan according to claim 2, characterized by, A buckle (341) is arranged on the lower end surface of the upper bottom cover (34), a clamping groove (731) is arranged on the upper end surface of the lower top cover (73), and when the upper body shell (100) and the lower body shell (200) are connected, the buckle (341) and the clamping groove (731) form clamping fixation.

4. The knockdown body-type cooling and heating tower fan according to claim 3, characterized by, The buckle (341) is an L-shaped buckle structure, and the clamping groove (731) is an L-shaped clamping groove structure which realizes rotary locking with the buckle (341).

5. The knockdown body-type cooling and heating tower fan according to claim 3, wherein An annular protrusion (342) is arranged on the upper bottom cover (34), and an annular groove (732) is arranged on the lower top cover (73), when the upper body shell (100) and the lower body shell (200) are connected, the annular protrusion (342) is inserted into the annular groove (732).

6. The knockdown body tower fan according to any one of claims 3-5, wherein, The connecting part of the upper body shell (100) and the lower body shell (200) is also provided with a self-locking switch device (8) for preventing relative rotation.

7. The knockdown body-type cooling and heating tower fan according to claim 6, characterized by An opening (733) is arranged on the upper end surface of the lower top cover (73), a sliding groove (200a) is formed on the side surface near the upper end of the lower body shell (200), a groove (343) is arranged on the lower end surface of the upper bottom cover (34), the groove (343) corresponds to the position of the opening (733); the self-locking switch device (8) comprises a switch plate (81), a spring (82) and a self-locking switch (83), the switch plate (81) comprises a sliding plate (811), a sliding block (812) fixed on the inner side surface of the sliding plate (811), and a top rod (813) and a buckle rod (814) arranged on the upper and lower sides of the sliding block (812), the sliding block (812) is inserted into the sliding groove (200a), the sliding plate (811) is located on the outer side of the lower body shell (200), the top rod (813) and the buckle rod (814) are located on the inner side of the lower body shell (200), the self-locking switch (83) is fixed on the inner side surface of the lower body shell (200), and the upper end thereof is provided with a clamping groove (831), the spring (82) is sleeved on the outer periphery of the self-locking switch (83) and the buckle rod (814), when the upper body shell (100) and the lower body shell (200) are connected, the buckle rod (814) is separated from the clamping groove (831) under the action of the spring force, so that the top rod (813) goes up and penetrates through the opening (733) and is then inserted into the groove (343); when the sliding plate (811) is moved downward, the spring (82) is deformed under pressure, the lower end of the buckle rod (814) is clamped with the clamping groove (831), and the upper end of the top rod (813) is moved out of the groove (343).

8. The knockdown body-type cooling and heating tower fan according to claim 1, characterized by, The upper body shell (100) comprises a front shell (1001), a rear shell (1002) and a top cover (1003), the upper air outlet (B1) is arranged on the front shell (1001), the air inlet hole (A1) is arranged on the rear shell (1002), the air supply assembly (2) is mounted on the front shell (1001), the outer side of the air inlet hole (A1) of the rear shell (1002) is also provided with an air inlet mesh (1004), the front shell (1001) and the rear shell (1002) are detachably and fixedly connected, and the top cover (1003) is buckled on the upper ends of the front shell (1001) and the rear shell (1002).

9. The knockdown body-type cooling and heating tower fan according to claim 2, wherein The lower body shell (200) comprises a lower front shell (2001) and a lower rear cover (2002), the lower air outlet (B2) is arranged on the lower front shell (2001), the air inlet (A2) is arranged on the lower rear cover (2002), a front iron mesh (2003) is further arranged at the outer side of the lower air outlet (B2) of the lower front shell (2001), a lower rear air inlet mesh cover (2004) is further arranged at the outer side of the air inlet (A2) of the lower rear cover (2002), the heating assembly (5) is mounted on the lower front shell (2001), and the fan assembly (4) is mounted on the heating assembly (5); the bottom end of the base (300) is further provided with an anti-skid rubber pad in contact with the ground.

10. The knockdown body-type cooling and heating tower fan according to claim 1, characterized by, The heating assembly (5) is provided with a temperature sensor, and the base (300) is internally provided with a gravity sensing switch, the temperature sensor and the gravity sensing switch are connected with the control device of the cold and warm tower fan, the temperature sensor is used for detecting the temperature in the lower body shell and transmitting the control device, and the control device controls the heating temperature of the heating assembly (5) according to the set temperature threshold value; the gravity sensing switch is used for sensing the inclination angle of the cold and warm tower fan, when the inclination angle of the cold and warm tower fan is greater than the set threshold value, the control device cuts off the power supply of the heating assembly (5), the fan assembly (4) and the air supply assembly (2).