CN219865546U

CN219865546U - tower fan

Info

Publication number: CN219865546U
Application number: CN202222520359.4U
Authority: CN
Inventors: 王永炯; 许加华; 郑义成
Original assignee: Shenzhen Ranvoo Technology Co Ltd
Current assignee: Shenzhen Ranvoo Technology Co Ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-10-20
Anticipated expiration: 2032-09-22

Abstract

The utility model provides a tower fan, which comprises a shell, a fan and a heating mechanism, wherein an air inlet and an air outlet are formed in the shell, an air channel which is communicated with the air inlet and the air outlet is formed in the shell, the fan is arranged in the air channel, and the heating mechanism is arranged between the fan and the air outlet; the heating mechanism comprises a motor and a heating unit, the motor is fixedly arranged in the shell, the heating unit is movably arranged in the shell, and the motor can drive the heating unit to move into or out of the air duct. This tower fan moves in or shifts out the wind channel through motor drive heating unit for the tower fan all has better working property under cold wind mode and warm braw mode, has avoided the tower fan to form the shielding to the fan air-out when being in cold wind mode and has then influence the tower fan and blow the effect under cold wind mode, compares in current manual drive's mode, has simplified overall structure and user operation, has improved user's use experience.

Description

Tower fan

Technical Field

The utility model relates to the technical field of household appliances, in particular to a tower fan.

Background

The tower fan is a novel fan on the current market, and is more and more favored by consumers due to the unique column shape and small occupied area in the use process.

In order to meet the switching requirement of users on cold and hot air, the existing tower fan is provided with two working modes, when the heating body is electrified to emit heat, the tower fan blows out hot air, the tower fan is in a warm air mode at the moment, and when the heating body is powered off, the tower fan blows out cool air, and the tower fan is in a cool air mode at the moment.

The tower fan generally comprises a shell, a heating element and a fan, wherein the heating element and the fan are arranged in the shell, and the heating element is fixedly arranged on an air outlet channel between an air outlet and the fan, so that the tower fan can blow out warm air in a warm air mode. However, because the heating element is always fixedly arranged on the air outlet channel, the heating element shields the air outlet channel, so that the tower fan is insufficient in wind power in a cold air mode, and the use experience of a user is affected.

Chinese application No. 202123305335.9 discloses a warm air device comprising a housing, a fan and a mobile heating assembly comprising a locking assembly, a guiding unit and a heating unit, the guiding unit defining a sliding track, the heating unit being configured to slide along the sliding track; the locking assembly is disposed on the heat generating unit and is configured to restrain the heat generating unit sliding into the air duct within the air duct. According to the application, the force application piece at the top end of the movable support is manually operated to drive the heating unit to move along the guide unit, and locking between the heating units is achieved through the clamping jaw and the locking part of the locking assembly. However, this scheme manual operation's mode is loaded down with trivial details, and user's use experience is not good, and scheme overall structure is complicated, and the production equipment degree of difficulty is high.

Disclosure of Invention

In order to solve the existing technical problems, the utility model provides the tower fan which is driven by electricity to heat a piece, has a simple structure and is convenient to use.

In order to achieve the above object, the technical solution of the embodiment of the present utility model is as follows:

the embodiment of the utility model provides a tower fan, which comprises a shell, a fan and a heating mechanism, wherein an air inlet and an air outlet are formed in the shell, an air duct which is communicated with the air inlet and the air outlet is formed in the shell, the fan is arranged in the air duct, and the heating mechanism is arranged between the fan and the air outlet; the heating mechanism comprises a motor and a heating unit, the motor is fixedly arranged in the shell, the heating unit is movably arranged in the shell, and the motor can drive the heating unit to move in or out of the air duct.

In one embodiment, the heating mechanism further comprises a screw rod and a sliding rod, wherein the screw rod and the sliding rod are oppositely arranged at two sides in the shell, and the screw rod is in transmission connection with the motor;

the heating unit is provided with one heating unit, one end of the heating unit is in threaded connection with the screw rod, and the other end of the heating unit is in sliding connection with the sliding rod; or, be equipped with first screw thread portion and the second screw thread portion that revolves the opposite direction on the lead screw, heating element is equipped with two, one of them heating element's one end with first screw thread portion threaded connection, the other end with slide bar sliding connection, another heating element's one end with second screw thread portion threaded connection, the other end with slide bar sliding connection.

In one embodiment, the heating unit comprises a heating element and a movable frame, the movable frame is fixedly arranged on the periphery of the heating element, one end of the movable frame is provided with a first connecting part in threaded connection with the screw rod, and the other end of the movable frame is provided with a second connecting part in sliding connection with the slide rod.

In one embodiment, the casing includes casing, protecgulum, back lid and two mounting brackets, the protecgulum with the back lid is located relatively the both sides of casing, two the mounting bracket is all located in the casing and the two correspond the concatenation so that two form between the mounting bracket the wind channel, the air intake is located on the casing, the air outlet is located on the protecgulum.

In one embodiment, a plurality of fans are arranged in parallel and spaced arrangement, and are connected with the mounting frame.

In one embodiment, the mounting frame is provided with a containing groove, the containing groove is arranged on one side of the mounting frame facing the air duct and is communicated with the air duct, and the heating unit can be selectively moved out of the containing groove into the air duct or moved out of the air duct into the containing groove.

In one embodiment, the mounting frame is provided with a wind window which is communicated with the wind channel and the air inlet, and a filtering piece is arranged between the wind window and the air inlet.

In one embodiment, a slot is formed in one side of the mounting frame, facing the rear cover, and the filter element is detachably inserted into the slot.

In one embodiment, the portable electronic device further comprises a middle frame and a base, wherein the middle frame is arranged on the periphery of the shell, and the base is connected to the bottom side of the middle frame.

In one embodiment, the tower fan further comprises a pitching mechanism, the middle frame and the shell are rotatably connected through the pitching mechanism, and the pitching mechanism can adjust the rotation angle of the shell relative to the middle frame; and/or, the tower fan further comprises a head shaking mechanism, the middle frame is rotatably connected with the base through the head shaking mechanism, and the head shaking mechanism can adjust the rotation angle of the middle frame relative to the base.

The tower fan has at least the following beneficial effects: according to the utility model, the heating unit is driven by the motor to move in or out of the air duct, so that the tower fan has better working performance in a cold air mode and a warm air mode, the phenomenon that the heating unit shields the air outlet of the fan when the tower fan is in the cold air mode, thereby affecting the blowing effect of the tower fan in the cold air mode is avoided, and compared with the existing manual driving mode, the whole structure and user operation are simplified, and the user experience is improved.

Drawings

FIG. 1 is a schematic perspective view of a tower fan according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the tower fan of FIG. 1 in an angular split configuration;

FIG. 3 is a schematic view of a tower fan of FIG. 1 in a split configuration at another angle;

FIG. 4 is a schematic view of a tower fan of FIG. 1 at an angle for further disassembly;

FIG. 5 is a schematic view of the tower fan of FIG. 1 at another angle with a further split configuration;

FIG. 6 is a cross-sectional view of the tower fan of FIG. 1 in one operational configuration;

FIG. 7 is a cross-sectional view of the tower fan of FIG. 1 in another operational configuration;

FIG. 8 is a schematic perspective view of a heating mechanism of the tower fan of FIG. 1;

FIG. 9 is an enlarged view of FIG. 8 at A;

FIG. 10 is a schematic view of the connection of the pitch mechanism of the tower fan of FIG. 1;

fig. 11 is a schematic diagram of a connection structure of a swing mechanism of the tower fan in fig. 1.

The reference numerals of the elements in the drawings are as follows: a housing 10; a housing 11; a front cover 12; a rear cover 13; a mounting rack 14; an air deflector 141; a louver 142; a rectangular frame 143; a slot 144; the accommodation groove 145; an air inlet 15; an air outlet 16; an air duct 17; a blower 20; a motor 31; a heating unit 32; a heating member 321; a moving rack 322; a first connection portion 3221; a second connection portion 3222; a screw 33; a first screw portion 331; a second threaded portion 332; slide bar 34; a filter member 40; a base 50; a middle frame 60; a swivel arm 61; a connection plate 62; a pitch motor 71; a first gear 72; a second gear 73; a head shaking motor 81; a third gear 82; fourth gear 83.

Detailed Description

The technical scheme of the utility model is further elaborated below by referring to the drawings in the specification and the specific embodiments.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 5, an embodiment of the present utility model provides a tower fan, which includes a housing 10, a fan 20, and a heating mechanism. Wherein, air intake 15 and air outlet 16 have been seted up on the casing 10, are equipped with the wind channel 17 of intercommunication air intake 15 and air outlet 16 in the casing 10, and fan 20 locates in the wind channel 17, and heating mechanism locates between fan 20 and the air outlet 16. The fan 20 is used for introducing external air into the air duct 17 through the air inlet 15 and discharging the external air through the air outlet 16.

The heating mechanism comprises a motor 31 and a heating unit 32, the motor 31 is fixedly arranged in the shell 10, the heating unit is movably arranged in the shell 31, and the motor 31 can drive the heating unit 32 to move so as to enable the heating unit 32 to move into or move out of the air duct 17. The tower fan is provided with two working modes of warm air and cold air, and the switching of the two working modes is controlled by a switch on the tower fan. Referring to fig. 6, when the tower fan is in the warm air mode, the motor 31 drives the heating unit 32 to move into the air duct 17, the heating unit 32 is powered on, and the air flow generated by the fan 20 is heated by the heating unit 32 to make the tower fan blow out warm air, so as to achieve the heating purpose; referring to fig. 7, when the tower fan is in the cool air mode, the heating unit 32 is powered off, the motor 31 drives the heating unit 32 to move out of the air duct 17, and the tower fan blows cool air to achieve the cooling purpose. In this way, the heating unit 32 is driven by the motor 31 to move in or out of the air duct 17, so that the tower fan has better working performance in the cold air mode and the warm air mode, and the phenomenon that the heating unit shields the air outlet of the fan 20 when the tower fan is in the cold air mode so as to influence the blowing effect of the tower fan in the cold air mode is avoided.

The housing 10 may include a housing body 11, a front cover 12, a rear cover 13, and a mounting bracket 14. The housing 11 is preferably in a waist-shaped cylindrical structure, and the front cover 12 and the rear cover 13 are oppositely arranged at cylinder openings on two sides of the housing 11. The two mounting frames 14 are arranged in the shell 11, and the two mounting frames 14 are correspondingly spliced to form an air duct 17 between the two mounting frames. The mounting frame 14 may be fixedly connected to the housing 11 by bolting, bonding or the like. The front cover 12 and the rear cover 13 are each detachably connected to the mounting frame 14, such as a bolted connection, a snap-fit connection, or the like. The air inlet 15 is disposed on the housing 11, and the air inlet 15 is preferably formed by arranging a plurality of smaller through hole arrays. The air outlet 16 is disposed on the front cover 12, and the air outlet 16 is preferably in a grid mesh structure.

The fan 20 is disposed in the air duct 17 and fixedly disposed on the mounting frame 14. In the illustrated embodiment, the fans 20 are arranged in parallel at intervals, wherein the air inlet positions of two fans 20 face one side in the housing 11, the air inlet positions of the other two fans 20 face the other side in the housing 11, and the air inlet positions of the two adjacent fans 20 are different in orientation. Therefore, the airflows among the fans 20 can not interfere with each other so as to enhance the airflow of each fan 20, and the fans 20 act together so as to increase the air output and the air output distance of the tower fan. The mounting frame 14 is provided with arc-shaped air deflectors 141, and the air deflectors 141 are arranged at intervals and around the periphery of the fan 20 so as to guide air flow sucked in the air inlet of the fan 20 to the air outlet 16 through the air deflectors, thereby further enhancing the wind power of the tower fan.

It should be noted that, the number and the orientation of the fans 20 are not limited, and in other embodiments, one, two or more fans 20 may be provided to meet the air outlet requirement of the tower fan; the air inlet positions of the fans 20 can be arranged towards the same side in the shell 11.

In order to enable the air inlet 15 to be communicated with the air duct 17, the mounting frame 14 is provided with an air window 142, and the air window 142 is correspondingly arranged with the fan 20 and the air inlet 15. Preferably, a filter 40 is provided between the louver 142 and the air inlet 15. The air window 142 is covered by the filter 40 so that the air flow from the air inlet 15 will pass through the filter 40 before entering the air duct 17 through the air window 142. The filter 40 is preferably a filter screen meeting HEPA standards, and can effectively filter harmful substances such as bacteria and dust in the air, prevent impurities in the air from damaging the internal structure of the tower fan, and prevent bacteria circulation at the same time, thereby being beneficial to human health.

Further, a slot 144 is provided on the side of the mounting frame 14 facing the rear cover 13, and the filter 40 is detachably inserted into the slot 144. In the illustrated embodiment, a rectangular frame 143 is disposed on a side of the mounting frame 14 facing away from the air duct 17, the rectangular frame 143 has four borders, the four borders are disposed around the air windows 142, four air windows 142 and two rectangular frames 143 are disposed on each mounting frame 14, and one rectangular frame 143 surrounds the two air windows 142. Two opposite side frames on each rectangular frame 143 are respectively provided with a sliding groove, and the two sliding grooves are correspondingly arranged to form a slot 144. That is, two slots 144 are respectively provided on one side of the two mounting frames 14 facing away from the air duct 17, four filter elements 40 are provided, and each filter element 40 is correspondingly inserted into one slot 144. The filter element 40 is preferably of a rectangular structure with a size adapted to the rectangular frame 143, so that the air flow passing through the air window 142 needs to be filtered through the filter element 40, and the filtering effect is improved. When the filter 40 is required to be cleaned or replaced, the rear cover 13 is only required to be removed, the filter 40 is only required to be pulled out from the slot 144, and the operation is simple and convenient.

Referring to fig. 8 and 9, to achieve movement of the heating unit 32, the heating mechanism further includes a screw 33 and a slide rod 34, the screw 33 and the slide rod 34 are oppositely disposed at two sides in the housing 10, and the screw 33 is in transmission connection with the motor 31. In the illustrated embodiment, the heating units 32 are two and arranged side by side, the motor 31 is fixedly arranged on the mounting frame 14, and the screw rod 33 is connected with the motor 31 so that the motor 31 can drive the screw rod 33 to rotate. The screw rod 33 is provided with a first threaded portion 331 and a second threaded portion 332, one end of one of the two heating units 32 is in threaded connection with the first threaded portion 331, the other end of the one heating unit is in sliding connection with the slide rod 34, one end of the other heating unit 32 is in threaded connection with the second threaded portion 332, and the other end of the other heating unit is in sliding connection with the slide rod 34. The first screw part 331 and the second screw part 332 are rotated in opposite directions, so that the two heating units 32 can be moved toward or away from each other when the motor 31 drives the screw 33 to rotate in the forward or reverse direction. When the tower fan is in the warm air mode, the two heating units 32 move in opposite directions and are abutted against each other, so that the two heating units are blocked in the air duct 17 between the fan 20 and the air outlet 16, and then the air flow is heated; when the tower fan is in the cold air mode, the two heating units 32 move back to move out of the air duct 17, no shielding exists between the fan 20 and the air outlet 16, and the air blowing effect is good.

Of course, in other embodiments, only one heating unit 32 may be provided, where one end of the heating unit 32 is in threaded connection with the screw rod 33, and the other end is in sliding connection with the slide rod 34, and the motor 31 drives the screw rod 33 to rotate so that the heating unit 32 slides, so that the effects of the foregoing embodiments can be achieved.

Further, the heating unit 32 includes a heating element 321 and a moving frame 322, the moving frame 322 is fixedly disposed on the periphery of the heating element 321, one end of the moving frame 322 is provided with a first connecting portion 3221 in threaded connection with the screw 33, and the other end is provided with a second connecting portion 3222 in sliding connection with the slide rod 34. The heating element 321 is preferably a superconducting wire, so that the electric heating temperature can be instantaneously raised to the required rated temperature, and the energy consumption can be effectively reduced.

It will be appreciated that the heating mechanism of the present embodiment achieves the movement of the heating unit 32 through a screw-nut transmission structure, and in other embodiments, the same effect can be achieved through a gear-rack, crank-slider or other transmission structure. For example, a gear is arranged on the rotating shaft of the motor 31, a rack meshed with the gear is arranged at one end of the heating unit 32, and the motor 31 drives the gear to rotate so as to drive the heating unit 32 to move.

Preferably, the mounting frame 14 is provided with a receiving groove 145, the receiving groove 145 is disposed on a side of the mounting frame 14 facing the air duct 17 and is communicated with the air duct 17, and the heating unit 32 can be selectively moved out of the receiving groove 145 into the air duct 17 or moved out of the air duct 17 into the receiving groove 145. In the illustrated embodiment, the two mounting frames 14 are respectively provided with a receiving groove 145 corresponding to one heating unit 32, and when the two heating units 32 move back, the moving frame 322 slides into the receiving groove 145 to move out of the air duct 17. The moving frame 322 is preferably rectangular in structure, and the receiving groove 145 is preferably a rectangular groove adapted to the shape of the moving frame 322.

In addition, in order to improve the use experience of the user, the tower fan of the embodiment of the utility model also has the functions of pitching up and down and panning left and right, so that the shell 10 can pitch or horizontally rotate, and the position of the air outlet 16 is further adjusted. Specifically, the tower fan further comprises a base 50, a middle frame 60, a pitching mechanism and a panning mechanism. The middle frame 60 is preferably of an annular structure and is wound around the periphery of the shell 10 at intervals, and the middle frame 60 is rotatably connected with the shell 10 through a pitching mechanism; the base 50 is connected to the bottom side of the middle frame 60, and the middle frame 60 is rotatably connected with the base 50 through a head shaking mechanism.

More specifically, referring to fig. 10, the pitching mechanism includes a pitching motor 71, a first gear 72 and a second gear 73, the pitching motor 71 is fixedly arranged on the mounting frame 14, and the first gear 72 is in transmission connection with the pitching motor 71; two rotating arms 61 are arranged between the middle frame 60 and the shell 11, the two rotating arms 61 are opposite and are coaxially arranged, one end of each rotating arm 61 is fixedly connected with the middle frame 60, the other end of each rotating arm 61 extends into the shell 11 and is rotatably connected with the shell 11, the other end of one rotating arm 61 is fixedly connected with a second gear 73, and the second gear 73 is meshed with the first gear 72. In this way, the pitching motor 71 drives the first gear 72 to rotate, and the second gear 73 is in a fixed non-rotatable state, so that the first gear 72 drives the whole housing 10 to rotate around the second gear 73, and further the housing 10 rotates relative to the middle frame 60 to adjust the pitching angle of the air outlet 16.

Referring to fig. 11, the oscillating mechanism includes an oscillating motor 81, a third gear 82 and a fourth gear 83, the oscillating motor 81 is fixedly arranged in the base 50, and the first gear 72 is in transmission connection with the oscillating motor 81; a connecting plate 62 is arranged between the middle frame 60 and the base 50, one side of the connecting plate 62 is fixedly connected with the middle frame 60, the other side extends into the base 50 and is rotatably connected with the base 50, a fourth gear 83 is fixedly arranged on the other side of the connecting plate 62, and the fourth gear 83 is meshed with the third gear 82. In this way, the oscillating motor 81 drives the third gear 82 to rotate, and the relative position of the third gear 82 is unchanged, so that the fourth gear 83 drives the middle frame 60 and the housing 10 to rotate around the third gear 82, and further the middle frame 60 rotates relative to the base 50 to adjust the orientation of the air outlet 16 in the horizontal direction.

In summary, according to the tower fan provided by the utility model, the heating unit 32 is driven by the motor 31 to move into or out of the air duct 17, so that the tower fan has better working performance in both a cold air mode and a warm air mode, and the phenomenon that the heating unit shields the air outlet of the fan 20 when the tower fan is in the cold air mode to influence the air blowing effect of the tower fan in the cold air mode is avoided, compared with the existing manual driving mode, the tower fan has the advantages that the integral structure is simplified, the production and the assembly are convenient, the user operation is simplified, and the user experience is improved; by arranging a plurality of fans 20, the air output of the tower fan and the air output distance are increased; through setting up detachable filter 40, harmful substance such as bacterium, dust in the effective filtration air are favorable to human health, and the dismouting cleaning or the change of filter 40 of being convenient for simultaneously.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. The tower fan is characterized by comprising a shell, a fan and a heating mechanism, wherein an air inlet and an air outlet are formed in the shell, an air channel which is communicated with the air inlet and the air outlet is formed in the shell, the fan is arranged in the air channel, and the heating mechanism is arranged between the fan and the air outlet; the heating mechanism comprises a motor and a heating unit, the motor is fixedly arranged in the shell, the heating unit is movably arranged in the shell, and the motor can drive the heating unit to move in or out of the air duct.

2. The tower fan according to claim 1, wherein the heating mechanism further comprises a screw and a slide bar, the screw and the slide bar are oppositely arranged at two sides in the shell, and the screw is in transmission connection with the motor;

3. The tower fan according to claim 2, wherein the heating unit comprises a heating element and a movable frame, the movable frame is fixedly arranged on the periphery of the heating element, one end of the movable frame is provided with a first connecting part in threaded connection with the screw rod, and the other end of the movable frame is provided with a second connecting part in sliding connection with the slide rod.

4. A tower fan according to any of claims 1-3, wherein the housing comprises a shell, a front cover, a rear cover and two mounting frames, the front cover and the rear cover are oppositely arranged on two sides of the shell, the two mounting frames are respectively arranged in the shell and are correspondingly spliced to form the air duct between the two mounting frames, the air inlet is arranged on the shell, and the air outlet is arranged on the front cover.

5. The tower fan according to claim 4, wherein a plurality of fans are provided and are connected to the mounting frame, and a plurality of fans are arranged in parallel and spaced apart relation.

6. The tower fan according to claim 4, wherein the mounting frame is provided with a containing groove, the containing groove is arranged on one side of the mounting frame facing the air duct and is communicated with the air duct, and the heating unit can be selectively moved out of the containing groove into the air duct or moved out of the air duct into the containing groove.

7. The tower fan according to claim 4, wherein the mounting frame is provided with a wind window for communicating the wind channel with the air inlet, and a filter is arranged between the wind window and the air inlet.

8. The tower fan according to claim 7, wherein a slot is provided in a side of the mounting frame facing the rear cover, and the filter is detachably inserted into the slot.

9. The tower fan of claim 1, further comprising a center frame disposed about the periphery of the housing and a base coupled to the bottom side of the center frame.

10. The tower fan of claim 9, further comprising a pitching mechanism, wherein the middle frame is rotatably connected to the housing via the pitching mechanism, and wherein the pitching mechanism adjusts the rotation angle of the housing relative to the middle frame; and/or, the tower fan further comprises a head shaking mechanism, the middle frame is rotatably connected with the base through the head shaking mechanism, and the head shaking mechanism can adjust the rotation angle of the middle frame relative to the base.