Tower fan

Abstract

The embodiment of the utility model discloses a tower fan which comprises an outer shell, a cross-flow fan and an air duct guide plate, an air inlet and an air outlet are formed in the front side and the rear side of the outer shell respectively, the cross-flow fan is arranged in the outer shell, the air duct guide plate is arranged on one side of the cross-flow fan, and the air duct guide plate is arranged on the other side of the cross-flow fan in the rotating direction of the cross-flow fan. The air inlet, the air duct guide plate and the air outlet are sequentially arranged, and the air duct guide plate is used for guiding air generated by rotation of the cross-flow fan to the air outlet. According to the embodiment of the utility model, the air duct guide plate is arranged to directly guide the air generated by the cross-flow fan to the air outlet, so that the possibility that the air is blocked in the shell is reduced, the air can smoothly circulate, the loss of the air volume is reduced, the air supply volume is ensured, and the working noise generated when the tower fan works is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan technical field especially, it relates to a tower fan. BACKGROUND

[0002] Tower fan, because its form is slender and erect, is very similar to a mansion and is called mansion fan, according to the principle of air flow, the centrifugal wind power is generated by the rotation of cross-flow fan and the wind power is transmitted by the internal guide structure, because the air supply of tower fan is uniform and soft, it is very close to natural wind, therefore, more and more consumers like it, however, the existing user more and more hope that tower fan can make large wind volume, and noise cannot be too big, to improve the use experience of user.

[0003] The air duct system of the existing tower fan includes a shell and a cross-flow fan drum arranged in the shell, wherein the shell is provided with an air inlet and an air outlet, in the rotating state of the cross-flow fan drum, air enters the volute from the air inlet and is sent out from the air outlet along the shell, because the guide structure is not arranged, the circulation of air in the shell is limited, which can cause the existing tower fan to have problems such as large noise, poor air flow and insufficient wind pressure.

[0004] Therefore, we propose a tower fan. CONTENT OF UTILITY MODEL

[0005] The technical problem to be solved by the embodiment of the utility model is that because the guide structure is not arranged, the circulation of air in the shell is limited, which can cause the existing tower fan to have problems such as large noise, poor air flow and insufficient wind pressure.

[0006] In order to solve the above problems, the embodiment of the utility model provides a tower fan, which comprises a shell, a cross-flow fan drum and an air duct guide plate, air inlets and air outlets are respectively arranged on the front and back sides of the shell, the cross-flow fan drum is arranged in the shell, the air duct guide plate is arranged on one side of the cross-flow fan drum, the air inlets, the air duct guide plate and the air outlets are sequentially arranged in the rotating direction of the cross-flow fan drum, the air duct guide plate is used for guiding the wind generated by the rotation of the cross-flow fan drum to the air outlets, one side of the air duct guide plate close to the cross-flow fan drum is a smooth curved surface, and the tangent direction of the middle position of the one side of the air duct guide plate close to the cross-flow fan drum is consistent with the tangent direction of the cross-flow fan drum.

[0007] Optionally, the tower fan further comprises a wind pressure plate, the wind pressure plate is arranged in the shell at the end of the air outlet away from the air duct guide plate, and is used for guiding part of the wind to smoothly blow out from the air outlet.

[0008] Optionally, the air duct guide plate and the shell are detachably connected.

[0009] Optionally, the wind pressure plate and the shell are detachably connected.

[0010] Optionally, the shell comprises a front shell and a rear shell, the front shell and the rear shell are detachably connected, the air inlet is arranged on the rear shell, and the air outlet is arranged on the front shell.

[0011] Optionally, the area of the air inlet is 2-4 times the area of the air outlet.

[0012] Optionally, the radius of the through-flow air drum is 40-70mm.

[0013] Optionally, the distance between the one end of the air duct guide plate close to the air inlet and the through-flow air drum is 10-30mm.

[0014] Optionally, the air pressure plate comprises an integral forming type ventilation part and an air outlet part, the ventilation part is arranged in parallel with the through-flow air drum, one end of the air outlet part is connected with the one end of the ventilation part close to the air outlet part, the other end extends to the air outlet, the air outlet part and the ventilation part integrally form an L-shaped structure, and the air outlet part is used for blocking part of the wind generated by the through-flow air drum and guiding the wind to the air outlet.

[0015] Compared with the prior art, the technical effects that can be achieved by the embodiments of the present application include:

[0016] The embodiments of the present application directly guide the wind generated by the through-flow air drum to the air outlet by arranging the air duct guide plate, thereby reducing the possibility that the wind is blocked in the shell, enabling the wind to flow smoothly while reducing the loss of wind volume, ensuring the air supply volume, and reducing the working noise generated by the tower fan when working. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings incorporated into the specification and forming a part thereof, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the application.

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows, and obviously, other drawings can also be obtained by those skilled in the art without creative labor under the premise of not paying the creative labor.

[0019] One or more embodiments are exemplarily illustrated by the pictures in the corresponding drawings, and these exemplary illustrations do not constitute a limitation on the embodiments, and the elements with the same reference numerals in the drawings represent similar elements, unless otherwise specified, and the drawings do not constitute a proportional limitation.

[0020] Fig. 1 The structural diagram of the present application.

[0021] Fig. 2The exploded view of the utility model.

[0022] Fig. 3 The section view of the shell, the cross-flow air drum, the air duct drainage plate and the air pressure plate of the utility model.

[0023] Reference numerals

[0024] 1, upper cover; 2, shell; 3, cross-flow air drum; 4, control assembly; 5, foot disc swing assembly; 6, air duct drainage plate; 7, air pressure plate; 8, air inlet; 9, air outlet; 10, front shell; 11, rear shell; 12, ventilation part; 13, air outlet part. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Similar components are denoted by similar reference numerals in the drawings. Obviously, the embodiments to be described are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the utility model.

[0026] It should be understood that when used in the specification and the appended claims, the terms "comprise" and "include" indicate the presence of described features, integers, steps, operations, elements, and / or components, but do not exclude one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0027] It should also be understood that the terms used in the specification of the embodiments of the utility model are only for the purpose of describing specific embodiments and are not intended to limit the embodiments of the utility model. As used in the specification of the embodiments of the utility model and the appended claims, unless otherwise clear from the context, the singular forms "a", "an" and "the" are intended to include the plural forms.

[0028] Please refer to Figs. 1-3The utility model provides a tower fan, including upper cover 1, shell 2, through flow wind drum 3, control assembly 4, foot disc swing subassembly 5, air duct drainage plate 6 and air pressure plate 7, through flow wind drum 3 sets up in shell 2, foot disc swing subassembly 5 part sets up in the one end of shell 2 outside and is connected with shell 2 machinery, part goes into shell 2 and is connected with through flow wind drum 3, upper cover 1 is connected in shell 2 far from the one end of foot disc swing subassembly 5, control assembly 4 part sets up in the space formed by upper cover 1 and shell 2, part goes out in upper cover 1, through flow wind drum 3 and foot disc swing subassembly 5 are connected with control assembly 4 electricity respectively, the front and rear both sides of shell 2 are provided with air inlet 8 and air outlet 9 respectively, air duct guide plate sets up in the one side of through flow wind drum 3, in the rotation direction of through flow wind drum 3, air inlet 8, air duct guide plate and air outlet 9 set gradually, and air pressure plate 7 sets up in the shell 2 in the one end of air outlet 9 far from air duct guide plate. The setting of foot disc swing subassembly 5 makes the structure located outside shell 2 can drive shell 2 to rotate to make air outlet 9 rotate, the structure in shell 2 is used to relatively fix through flow wind drum 3;Through flow wind drum 3 is used to produce wind and blows out through air outlet 9;User can control the working state of foot disc swing subassembly 5 and through flow wind drum 3 through control assembly 4;Air duct drainage plate 6 is used for guiding the wind produced by the rotation of through flow wind drum 3 to air outlet 9;Air pressure plate 7 is used for guiding part of wind to blow out smoothly from air outlet 9. The setting of air duct guide plate directly guides the wind produced by through flow wind drum 3 to air outlet 9, reduces the possibility that wind is blocked in shell 2, makes the wind can flow smoothly and reduces the loss of wind volume, guarantees the air supply volume and reduces the working noise produced by tower fan when working;The setting of air pressure plate 7 realizes the wind produced by multiple parts to blow out smoothly from air outlet 9, also allows a small amount of wind to continue to pass through, avoids completely blocking the way of wind to make the air flow form vortex, and further reduces the wind strength and increases the noise.

[0029] Please continue to see Fig. 2 Shell 2 includes front shell 10 and rear shell 11, and the front shell 10 is detachably connected with the rear shell 11. In the utility model, the front shell 10 and the rear shell 11 are connected through bolts, and the front shell 10 and the rear shell 11 are convenient to disassemble. The air inlet 8 is arranged on the rear shell 11, and the air outlet 9 is arranged on the front shell 10.

[0030] In the utility model, the air duct guide plate is detachably connected with the shell 2, and the air duct guide plate is connected with the shell 2 through bolts, so that the air duct guide plate is convenient to disassemble and install. In addition to the above connection mode, the air duct guide plate can also be connected with the shell 2 through magnetic adsorption or buckle connection.

[0031] Please continue to see Fig. 3The radius of the through-flow air drum 3 is 40-70mm, and is 56mm in the utility model, and the large size is favorable for accelerating airflow circulation to form large air volume, and the through-flow air drum 3 is not too small in size to affect air volume and is not too large in size to be inconvenient for a user to move the utility model product; the minimum distance between the air pressure plate 7 and the through-flow air drum 3 is 4-5mm, so that the airflow is prevented from forming vortex flow due to the small distance, and the air strength of the air outlet 9 is prevented from being weakened due to the too large distance; specifically, the air pressure plate 7 comprises an integrally-formed ventilation part 12 and an air outlet part 13; the ventilation part 12 is arranged in parallel with the through-flow air drum 3; one end of the air outlet part 13 is connected to the ventilation part 12 close to the one end of the air outlet part 13; the other end of the air outlet part 13 extends to the air outlet 9; the air outlet part 13 and the ventilation part 12 integrally form an L-shaped structure; the air outlet part 13 is used for blocking part of the air generated by the through-flow air drum 3 and guiding the air to blow out at the air outlet 9; and the ventilation part 12 is used for allowing a small part of the air to pass through, so as to reduce the possibility of the airflow forming vortex flow at the air pressure plate 7.

[0032] Please continue to refer to Fig. 2 The area of the air inlet 8 is 2-4 times the area of the air outlet 9, and is 3 times in the utility model, so that sufficient air is ensured to enter the shell 2, and the air volume of the air outlet 9 is ensured.

[0033] Please continue to refer to Fig. 3 One side of the air duct guide plate close to the through-flow air drum 3 is a smooth curved surface, so that the air resistance is reduced, the noise generated is small, and the air flows smoothly; the distance between the one end of the air duct guide plate close to the air inlet 8 and the through-flow air drum 3 is 10-30mm, and is 24.5mm in particular; in the case that the radius of the through-flow air drum 3 is 56mm, most of the air generated by the through-flow air drum 3 can smoothly pass through, and the distance can be increased or decreased along with the increase or decrease of the size of the through-flow air drum 3.

[0034] In the utility model, the tangent direction of the middle position of the one side of the air duct guide plate close to the through-flow air drum 3 is consistent with the tangent direction of the through-flow air drum 3, and the distance between the two is 6.5-8mm; the front end of the air duct guide plate effectively guides the air generated by the through-flow air drum 3; the distance between the two is reduced to pressurize the air to increase the flow rate of the air; the air is thrown out along the tangential direction of the through-flow air drum 3 through the middle part; the consistent design of the tangent direction is favorable for reducing the impact of the air on the air duct guide plate, reducing the generation of noise, and reducing the loss of air volume.

[0035] Compared with the prior art, the technical effects that can be achieved by the utility model embodiment include:

[0036] The embodiment of the utility model discloses the wind duct guide plate is set up, and the wind produced by cross-flow wind drum is directly guided to the air outlet, reduces the possibility of wind in the shell obstruction, makes the wind can flow freely and reduces the loss of air volume, guarantees the air supply and reduces the working noise of tower fan when working.

[0037] In the above embodiments, the description of each embodiment has its own focus, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0038] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0039] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0040] In the utility model, unless otherwise specifically defined and limited, the terms "installation", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be connected, or detachable, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0041] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can include the first and second features directly contacting, or the first and second features not directly contacting but contacting through another feature between them. Moreover, the first feature "on", "above" and "on top of" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "underneath" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0042] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present application.

[0043] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, these modifications and variations of the present application are intended to be included within the scope of the claims of the present application and their equivalents. The present application is intended to include these modifications and variations.

[0044] The above is a specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the present application, and these modifications or replacements should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A tower fan, characterized in that: It includes an outer shell, a cross-flow air drum and an air duct guide plate, with an air inlet and an air outlet respectively provided on the front and rear sides of the outer shell, the cross-flow air drum is arranged in the outer shell, and the air duct guide plate is arranged on one side of the cross-flow air drum. In the rotation direction of the cross-flow air drum, the air inlet, the air duct guide plate and the air outlet are arranged in sequence, and the air duct guide plate is used to guide the wind generated by the rotation of the cross-flow air drum to the air outlet. The side of the air duct guide plate close to the cross-flow air drum is a smooth curved surface, and the tangential direction of the middle position of the side of the air duct guide plate close to the cross-flow air drum is consistent with the tangential direction of the cross-flow air drum close to it.

2. The tower fan according to claim 1, wherein: The tower fan further comprises a wind pressure plate, which is arranged in the housing at one end of the air outlet away from the air duct guide plate and is used for guiding part of the wind to be blown out smoothly from the air outlet.

3. The tower fan according to claim 1, wherein: The air duct guide plate is detachably connected to the shell.

4. The tower fan according to claim 2, wherein: The wind pressure plate is detachably connected to the shell.

5. The tower fan according to claim 1, wherein: The housing includes a front shell and a rear shell, the front shell is detachably connected to the rear shell, the air inlet is arranged on the rear shell, and the air outlet is arranged on the front shell.

6. The tower fan according to claim 1, wherein: The area of ​​the air inlet is 2-4 times the area of ​​the air outlet.

7. The tower fan according to claim 1, wherein: The radius of the cross-flow air drum is 40-70 mm.

8. The tower fan according to claim 7, characterized in that: The distance between the end of the air duct guide plate close to the air inlet and the cross-flow air drum is 10-30 mm.

9. The tower fan according to claim 2, wherein: The wind pressure plate includes an integrally formed ventilation part and an air outlet part. The ventilation part is arranged parallel to the cross-flow air drum. One end of the air outlet part is connected to one end of the ventilation part close to the air outlet part, and the other end extends to the air outlet. The air outlet part and the ventilation part are L-shaped as a whole. The air outlet part is used to block part of the wind generated by the cross-flow air drum and guide it to be blown out at the air outlet.

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