Air purification circulating fan and waterproof motor sealing structure thereof

Abstract

The invention provides an air purification circulating fan and a waterproof motor sealing structure thereof, and belongs to the technical field of fans, the air purification circulating fan comprises a protection frame, fan blades are arranged on the inner wall of the protection frame, a motor box assembly is fixedly connected to the rear end of the protection frame, a fan motor is arranged on the inner wall of the protection frame, and a supporting frame is arranged on the outer wall of the protection frame; the bottom of the protection frame is fixedly connected with a clamping groove mechanism, and a supporting base is arranged at the bottom of the supporting frame. The motor box assembly comprises a mounting plate fixedly arranged on the outer wall of the protective frame; the supporting frame is arranged and used in cooperation with the short pins, the protection frame can be rotated with the short pins as the rotation axis according to needs, then the exhaust direction of the protection frame is adjusted, the outer walls of the short pins and the inner wall of the protection frame are closely attached and movably connected, certain friction resistance exists between the protection frame and the short pins, and therefore the protection frame is prevented from being damaged. And after the direction is adjusted through rotation, the protective frame and the supporting frame are kept in a relatively static use state.

Description

Technical Field

[0001] The invention belongs to the technical field of fans, and in particular relates to an air purification circulation fan and a waterproof motor sealing structure thereof. Background Art

[0002] An electric fan, also known as a fan or blower, is a household appliance that uses an electric motor to rotate blades to accelerate air circulation. It is primarily used for cooling and ventilation. It is widely used in homes, classrooms, offices, shops, hospitals, and hotels.

[0003] During use, the air purification circulation fan can generally only adjust its left and right air outlet direction, and it is difficult to adjust its up and down tilt air outlet angle, resulting in a poor user experience. In addition, the outer wall of its built-in motor is usually provided with a sealing structure for waterproofing, but this affects its heat dissipation performance, and thus affects its sustainable working time and service life. Therefore, it is necessary to design an air purification circulation fan and its waterproof motor sealing structure. Summary of the Invention

[0004] The object of the present invention is to provide an air purification circulation fan and a waterproof motor sealing structure thereof, aiming to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: An air purification circulation fan and its waterproof motor sealing structure: comprising a protective frame, the inner wall of which is provided with fan blades, the rear end of which is fixedly connected to a motor box assembly, the inner wall of which is provided with a fan motor, the outer wall of which is provided with a support frame, the bottom of which is fixedly connected with a slot mechanism, and the bottom of which is provided with a support seat; The motor box assembly includes a mounting plate fixedly arranged on the outer wall of the protective frame, the outer wall of the mounting plate is fixedly connected to the motor box mechanism, and the bottom of the motor box mechanism is provided with an air guide duct mechanism; through the arrangement of the motor box assembly and the arrangement of the air guide duct mechanism, in use, the air inlet is placed below the protective frame through the card slot, and when the fan blades rotate and work, a faster wind speed enters the hard pipe section and the hose section along the air inlet, and is finally discharged into the main box body along the air inlet hole in the hose section, and the gas is discharged through a plurality of exhaust holes, thereby accelerating the gas flow in the motor box mechanism, thereby achieving the heat dissipation effect of the fan motor in the motor box mechanism, and improving the sustainable working time and service life of the fan motor; The air guide tube mechanism includes a hose section, an air inlet end of the hose section is fixedly connected to a hard tube section, and an air inlet end of the hard tube section is fixedly connected to an air inlet; The hose section comprises a hose, and an air inlet hole is formed on the outer wall of the hose; The motor box mechanism includes a main box body, an inner lining frame is fixedly connected to the inner wall of the main box body, a locking handle is threadedly connected to the inner wall of the inner lining frame, one end of the locking handle is fixedly connected to a rubber pad, a plurality of exhaust holes are opened on the inner wall of the main box body, a box cover is fixedly provided at the tail end of the main box body, a sealing ring is fixedly connected to the outer wall of the box cover, a spring cylinder is fixedly connected to the outer wall of the box cover, and one end of the spring cylinder is fixedly connected to a stop plate; through the setting of the motor box mechanism, in use, the inner lining frame and the locking handle are used in conjunction with each other, and by rotating The locking handle is moved to adjust the position of the rubber pad so that the fan motor is placed between the inner liner frame and the locking handle, which can achieve a better clamping and limiting effect on the fan motor. When used in conjunction with the spring barrel, under the thrust of the spring in the spring barrel, the abutment plate fits tightly against the outer wall of the fan motor, thereby improving the stability of the fan motor during use. The setting of the sealing ring can achieve a better sealing and waterproof effect. The exhaust end of the exhaust hole is set downward to prevent water from flowing in. While cooperating with the air guide mechanism to dissipate heat, it also has a certain waterproof effect. The card slot mechanism comprises a connecting plate, and the bottom of the connecting plate is fixedly connected with a card slot.

[0006] As a preferred solution of the present invention, the air inlet is a funnel-shaped air inlet.

[0007] As a preferred solution of the present invention, there are multiple air inlet holes, and the multiple air inlet holes are arranged in a circle at the air outlet end of the hose, and the exhaust end of the hose section is fixedly arranged on the inner wall of the main box.

[0008] As a preferred solution of the present invention, an annular groove is provided on the inner wall of the rear end of the main box body, and the inner wall of the annular groove is tightly fitted and connected to the outer wall of the sealing ring.

[0009] As a preferred solution of the present invention, the outer walls of the main box body and the box cover are provided with assembly holes, and the main box body and the box cover are fixedly connected by bolts.

[0010] As a preferred solution of the present invention, the exhaust end of the exhaust hole is arranged downward.

[0011] As a preferred solution of the present invention, the card slot is a plastic card slot, and the inner wall of the card slot is snap-connected with the outer wall of the air inlet.

[0012] As a preferred solution of the present invention, the inner wall of the support frame is symmetrically fixedly connected with a short pin, and the outer wall of the short pin is tightly fitted and movably connected to the inner wall of the protective frame; through the setting of the support frame and in conjunction with the short pin, during use, the protective frame can be rotated along the short pin as the rotation axis as needed, thereby adjusting the exhaust direction of the protective frame, wherein the outer wall of the short pin is tightly fitted and movably connected to the inner wall of the protective frame, so that there is a certain friction resistance between the protective frame and the short pin, so that after the rotation adjustment direction, the protective frame and the support frame remain in a relatively static state for use, for easy use.

[0013] Compared with the prior art, the present invention has the following beneficial effects: through the arrangement of the motor box assembly and the arrangement of the air guide duct mechanism, in use, the air inlet is placed below the protective frame through the card slot, and when the fan blades rotate, a relatively fast wind speed enters the hard tube section and the hose section along the air inlet, and in the hose section along the air inlet hole, and finally is discharged into the main box body, and the gas is discharged through a plurality of exhaust holes, thereby accelerating the gas flow in the motor box mechanism, thereby achieving the heat dissipation effect of the fan motor in the motor box mechanism, and improving the sustainable working time and service life of the fan motor; By setting the motor box mechanism, during use, the inner liner frame and the locking handle are used in conjunction with each other, and the locking handle is rotated and moved to adjust the position of the rubber pad, so that the fan motor is placed between the inner liner frame and the locking handle, which can achieve a better clamping and limiting effect on the fan motor, and is used in conjunction with the spring barrel. Under the thrust of the spring in the spring barrel, the abutment plate fits tightly against the outer wall of the fan motor, thereby improving the stability of the fan motor in use. The setting of the sealing ring can achieve a better sealing and waterproof effect, and the setting of the exhaust end of the exhaust hole facing downward can prevent water from flowing in. While cooperating with the air guide tube mechanism to dissipate heat, it also has a certain waterproof effect. By setting up the support frame and using it in conjunction with the short pin, during use, the protective frame can be rotated along the short pin as the rotation axis as needed, thereby adjusting the exhaust direction of the protective frame. The outer wall of the short pin fits tightly with the inner wall of the protective frame and the movable connection is set up so that there is a certain friction resistance between the protective frame and the short pin, so that after the rotation direction is adjusted, the protective frame and the support frame remain in a relatively static state for use, which is convenient for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive effort. Among them: Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the motor box assembly of the present invention; Figure 3 Schematic diagram of the airway mechanism of the present invention; Figure 4 is a schematic diagram of a hose segment of the present invention; Figure 5 It is a schematic diagram of the motor box mechanism of the present invention; Figure 6 It is a schematic diagram of the card slot mechanism of the present invention.

[0015] In the figure: 1. Protective frame; 2. Motor box assembly; 201. Mounting plate; 202. Motor box mechanism; 2021. Main box body; 2022. Exhaust hole; 2023. Liner frame; 2024. Locking handle; 2025. Spring cylinder; 2026. Box cover; 2027. Sealing ring; 2028. Abutment plate; 203. Air guide tube mechanism; 2031. Hose section; 20311. Hose; 20312. Air inlet hole; 2032. Hard tube section; 2033. Air inlet; 3. Support frame; 4. Support seat; 5. Slot mechanism; 501. Connecting plate; 502. Slot. DETAILED DESCRIPTION

[0016] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0017] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0018] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive of other embodiments.

[0019] Example 1 Reference Figure 1-4 6 is the first embodiment of the present invention, which provides an air purification circulation fan and a waterproof motor sealing structure thereof. The air purification circulation fan and the waterproof motor sealing structure thereof include a protective frame 1, the inner wall of the protective frame 1 is provided with fan blades, the rear end of the protective frame 1 is fixedly connected to a motor box assembly 2, the inner wall of the protective frame 1 is provided with a fan motor, the outer wall of the protective frame 1 is provided with a support frame 3, the bottom of the protective frame 1 is fixedly connected with a slot mechanism 5, and the bottom of the support frame 3 is provided with a support seat 4; The motor box assembly 2 includes a mounting plate 201 fixedly mounted on the outer wall of the protective frame 1, the outer wall of the mounting plate 201 is fixedly connected to the motor box mechanism 202, and the bottom of the motor box mechanism 202 is provided with an air guide mechanism 203; The air guide tube mechanism 203 includes a hose section 2031, the air inlet end of the hose section 2031 is fixedly connected to a hard tube section 2032, and the air inlet end of the hard tube section 2032 is fixedly connected to an air inlet port 2033; The hose section 2031 includes a hose 20311 , and an air inlet 20312 is formed on the outer wall of the hose 20311 ; The card slot mechanism 5 includes a connecting plate 501, and a card slot 502 is fixedly connected to the bottom of the connecting plate 501; Preferably, the air inlet 2033 is a funnel-shaped air inlet; It should be noted that the slot 502 is a plastic slot, and the inner wall of the slot 502 is engaged with the outer wall of the air inlet 2033; During use: Through the arrangement of the motor box assembly 2 and the arrangement of the air guide mechanism 203, the air inlet 2033 is placed below the protective frame 1 through the card slot 502. When the fan blades rotate, the faster wind speed enters the hard tube section 2032 and the hose section 2031 along the air inlet 2033, and is discharged into the main box 2021 along the air inlet hole 20312 in the hose section 2031. The gas is discharged through the multiple exhaust holes 2022. In summary: by setting the motor box assembly 2, the gas flow in the motor box mechanism 202 can be accelerated, thereby achieving the heat dissipation effect of the fan motor in the motor box mechanism 202, and improving the sustainable working time and service life of the fan motor.

[0020] Example 2 Reference Figure 5 , which is the second embodiment of the present invention. Different from the previous embodiment, this embodiment provides: a motor box mechanism 202 includes a main box body 2021, an inner lining frame 2023 is fixedly connected to the inner wall of the main box body 2021, a locking handle 2024 is threadedly connected to the inner wall of the inner lining frame 2023, one end of the locking handle 2024 is fixedly connected to a rubber pad, a plurality of exhaust holes 2022 are opened on the inner wall of the main box body 2021, a box cover 2026 is fixedly provided at the rear end of the main box body 2021, a sealing ring 2027 is fixedly connected to the outer wall of the box cover 2026, a spring cylinder 2025 is fixedly connected to the outer wall of the box cover 2026, and one end of the spring cylinder 2025 is fixedly connected to the back plate 2028; There are multiple air inlet holes 20312, and the multiple air inlet holes 20312 are arranged in a circle at the air outlet end of the hose 20311. The exhaust end of the hose section 2031 is fixedly arranged on the inner wall of the main box 2021. Furthermore, an annular groove is formed on the inner wall of the rear end of the main box body 2021, and the inner wall of the annular groove is tightly connected to the outer wall of the sealing ring 2027; Preferably, the outer walls of the main box body 2021 and the box cover 2026 are provided with assembly holes, and the main box body 2021 and the box cover 2026 are fixedly connected by bolts; It should be noted that the exhaust end of the exhaust hole 2022 is arranged downward; During use: the liner frame 2023 and the locking handle 2024 are used in conjunction with each other. By rotating the locking handle 2024 and moving the locking handle 2024 to adjust the position of the rubber pad, the fan motor is placed between the liner frame 2023 and the locking handle 2024, which can achieve a better clamping and limiting effect on the fan motor, and is used in conjunction with the spring tube 2025. Under the thrust of the spring in the spring tube 2025, the support plate 2028 fits tightly against the outer wall of the fan motor, thereby improving the stability of the fan motor during use. The setting of the sealing ring 2027 can achieve a better sealing and waterproof effect. The exhaust end of the exhaust hole 2022 is set downward to prevent water from flowing in. While cooperating with the air guide tube mechanism 203 to dissipate heat, it also has a certain waterproof effect.

[0021] Example 3 Reference Figure 1 , which is the third embodiment of the present invention. Different from the previous embodiment, this embodiment provides: short pins are symmetrically fixedly connected to the inner wall of the support frame 3, and the outer wall of the short pin is closely fitted and movably connected to the inner wall of the protective frame 1; During use: through the setting of the support frame 3 and in conjunction with the short pin, the protective frame 1 can be rotated along the short pin as the rotation axis as needed, thereby adjusting the exhaust direction of the protective frame 1. The outer wall of the short pin fits tightly with the inner wall of the protective frame 1 in the movable connection setting, so that there is a certain friction resistance between the protective frame 1 and the short pin, so that after the rotation direction is adjusted, the protective frame 1 and the support frame 3 remain in a relatively static state for use.

[0022] It is important to note that the configuration and arrangement of the present application, as illustrated in various exemplary embodiments, are illustrative only. Although only a few embodiments are described in detail in this disclosure, those reading this disclosure will readily appreciate that numerous modifications are possible without materially departing from the novel teachings and advantages of the subject matter described herein. For example, variations in the size, dimensions, structure, shape, and proportions of various components, as well as parameter values such as temperature, pressure, mounting arrangements, use of materials, color, and orientation, are possible. For example, components shown as integrally formed may be constructed from multiple parts or components, the positions of components may be inverted or otherwise altered, and the nature, number, or position of discrete components may be modified or changed. Therefore, all such modifications are intended to be encompassed within the scope of this invention. The order or sequence of any process or method steps may be altered or reordered according to alternative embodiments. In the claims, any "means-plus-function" clause is intended to cover structures that perform the functions described herein, and not only structural equivalence but also equivalent structures. Other substitutions, modifications, changes, and omissions may be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of this invention. Therefore, the invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0023] Furthermore, in order to provide a concise description of the exemplary embodiments, all features of the actual embodiment may not be described, i.e., those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention.

[0024] It should be understood that in the development of any actual embodiment, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but for those of ordinary skill having the benefit of this disclosure, the development effort will be a routine task of design, fabrication, and production without undue experimentation.

[0025] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. Air purification circulation fan and its waterproof motor sealing structure, characterized by: The protective frame (1) comprises a protective frame (1), wherein the inner wall of the protective frame (1) is provided with fan blades, the rear end of the protective frame (1) is fixedly connected to a motor box assembly (2), the inner wall of the protective frame (1) is provided with a fan motor, the outer wall of the protective frame (1) is provided with a support frame (3), the bottom of the protective frame (1) is fixedly connected to a slot mechanism (5), and the bottom of the support frame (3) is provided with a support seat (4); The motor box assembly (2) comprises a mounting plate (201) fixedly mounted on the outer wall of the protective frame (1); the outer wall of the mounting plate (201) is fixedly connected to a motor box mechanism (202); and an air guide pipe mechanism (203) is disposed at the bottom of the motor box mechanism (202); The air guide tube mechanism (203) comprises a hose section (2031), the air inlet end of the hose section (2031) is fixedly connected to a hard tube section (2032), and the air inlet end of the hard tube section (2032) is fixedly connected to an air inlet (2033); The hose section (2031) comprises a hose (20311), and an air inlet hole (20312) is formed on the outer wall of the hose (20311); The motor box mechanism (202) comprises a main box body (2021), an inner lining frame (2023) is fixedly connected to the inner wall of the main box body (2021), a locking handle (2024) is threadedly connected to the inner wall of the inner lining frame (2023), one end of the locking handle (2024) is fixedly connected to a rubber pad, a plurality of exhaust holes (2022) are opened on the inner wall of the main box body (2021), a box cover (2026) is fixedly provided at the rear end of the main box body (2021), a sealing ring (2027) is fixedly connected to the outer wall of the box cover (2026), a spring cylinder (2025) is fixedly connected to the outer wall of the box cover (2026), and one end of the spring cylinder (2025) is fixedly connected to a stop plate (2028); The card slot mechanism (5) comprises a connecting plate (501), and a card slot (502) is fixedly connected to the bottom of the connecting plate (501).

2. The air purification circulation fan and its waterproof motor sealing structure according to claim 1 are characterized by: The air inlet (2033) is a funnel-shaped air inlet.

3. The air purification circulation fan and its waterproof motor sealing structure according to claim 2 are characterized by: There are multiple air inlet holes (20312), and the multiple air inlet holes (20312) are arranged in a circle at the air outlet end of the hose (20311), and the exhaust end of the hose section (2031) is fixedly arranged on the inner wall of the main box (2021).

4. The air purification circulation fan and its waterproof motor sealing structure according to claim 3 are characterized by: An annular groove is provided on the inner wall of the rear end of the main box body (2021), and the inner wall of the annular groove is tightly fitted and connected to the outer wall of the sealing ring (2027).

5. The air purification circulation fan and its waterproof motor sealing structure according to claim 4, characterized in that: The outer walls of the main box body (2021) and the box cover (2026) are provided with assembly holes, and the main box body (2021) and the box cover (2026) are fixedly connected by bolts.

6. The air purification circulation fan and its waterproof motor sealing structure according to claim 5, characterized in that: The exhaust end of the exhaust hole (2022) is arranged downward.

7. The air purification circulation fan and its waterproof motor sealing structure according to claim 6, characterized in that: The card slot (502) is a plastic card slot, and the inner wall of the card slot (502) is snap-fitted to the outer wall of the air inlet (2033).

8. The air purification circulation fan and its waterproof motor sealing structure according to claim 7, characterized in that: The inner wall of the support frame (3) is symmetrically fixedly connected with a short pin, and the outer wall of the short pin is tightly fitted and movably connected to the inner wall of the protection frame (1).

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