Bladeless fan

Abstract

The utility model discloses a bladeless fan which comprises a base, a draught fan is arranged in the base, a middle ring is fixedly arranged at the upper end of the base, a first air outlet is formed in the top of the middle ring, an air outlet barrel is detachably connected to the top of the middle ring, an air channel is formed in the air outlet barrel and communicated with the first air outlet, and the first air outlet is communicated with the first air outlet. A second air outlet is formed in one side of the air outlet barrel, a plurality of first air guide plates are fixedly arranged in the air duct, and the first air guide plates are located on the side opposite to the second air outlet; according to the air conditioner, the first air guide plate is arranged in the air channel, the first air guide plate can guide cold air blown into the air channel, airflow turbulence is avoided, and noise is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan technical field especially relates to a bladeless fan. BACKGROUND

[0002] The bladeless fan is a new type of electric fan on the market at present, can continuously produce cool wind, and because there is no blade, will not cover dust or hurt the fingers of children inserted, is also more clean and safe, therefore is widely praised, also is more and more widely known and purchased by people.

[0003] The working principle of most bladeless fans on the market at present is that the fan arranged in the base generates cool wind, the cool wind is blown into the air outlet cylinder arranged above the base and blown out from the air outlet, thereby realizing the blowing out of cool wind, but after the cool wind is blown into the air outlet cylinder, because there is no air guide structure in the air outlet cylinder, the airflow is relatively disorderly in the air outlet cylinder, thereby generating strong noise, and also can cause the air outlet volume to reduce, influence the blowing effect. UTILITY MODEL CONTENTS

[0004] The utility model aims at the deficiency of prior art, provides a bladeless fan.

[0005] To solve the above problems, the technical scheme adopted by the utility model is:

[0006] A bladeless fan, comprising a base, a fan is arranged in the base, a middle ring is fixedly arranged at the upper end of the base, a first air outlet is arranged at the top of the middle ring, an air outlet cylinder is detachably connected to the top of the middle ring, an air duct is arranged in the air outlet cylinder, the air duct is in communication with the first air outlet, a second air outlet is formed in one side of the air outlet cylinder, a plurality of first air guide plates are fixedly arranged in the air duct, and the first air guide plates are located on the side opposite to the second air outlet.

[0007] Preferably, the first air guide plate is of L-shaped structure, the first air guide plate comprises a windward piece and a leeward piece, the windward piece is arranged on the side facing the second air outlet and is inclined upward, and the leeward piece is arranged on the side facing away from the first air outlet.

[0008] Preferably, a second air guide plate is arranged in the air duct, and the second air guide plate is located above the first air guide plate.

[0009] Preferably, the second air guide plate comprises a wind guide piece and a wind blocking piece, the wind guide piece is arranged on the side facing the second air outlet and is inclined upward, and the wind blocking piece is arranged horizontally and is used for closing the top of the air outlet cylinder.

[0010] Preferably, an air outlet plate is mounted on the air outlet cylinder, the air outlet plate is located at the second air outlet, an air outlet groove is formed in the air outlet plate, and a plurality of air baffle plates are horizontally mounted in the air outlet groove.

[0011] Preferably, a top cover is detachably arranged on the top of the air outlet cylinder.

[0012] Preferably, a flow distribution plate is fixedly arranged in the middle ring, the flow distribution plate is in a V-shaped structure, the flow distribution plate and the side wall of the middle ring jointly form an air inlet channel, and the air inlet channel is in communication with the first air outlet.

[0013] Preferably, an air inlet is formed in the side wall of the base, and a filter plate is mounted on the air inlet.

[0014] The above technical scheme has the following beneficial effects:

[0015] 1. In the utility model, the cold air blown by the fan can be guided by the first air baffle plate and the second air baffle plate in the air duct after entering the air duct of the air outlet cylinder, so that the phenomenon of air flow disorder in the air duct can be avoided, the cold air can be more stably discharged from the second air outlet, and the air volume can be improved while reducing the noise.

[0016] 2. In the utility model, the air outlet plate is arranged at the second air outlet of the air outlet cylinder, the air outlet groove is formed in the air outlet plate, the air flow can be normally blown out, the plurality of air baffle plates are uniformly arranged in the air outlet groove, the air flow can be uniformly blown out from the air outlet groove, and the cold air blown by the fan is more stable. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a perspective view of the utility model;

[0018] Figure 2 is a structural schematic view of the utility model;

[0019] Figure 3 is a structural schematic view of the utility model;

[0020] Figure 4 is another angle of the air outlet cylinder inside structure schematic view of the utility model;

[0021] Figure 5 is Figure 4 the A part of the enlarged view;

[0022] Figure 6 is a perspective view of the middle ring of the utility model;

[0023] Figure 7 is another angle of the middle ring of the utility model.

[0024] Fig. 1 is a base, 2 is a fan, 3 is a middle ring, 4 is a first air outlet, 5 is an air outlet tube, 6 is an air duct, 7 is a second air outlet, 8 is a first air deflector, 9 is a windward piece, 10 is a leeward piece, 11 is a second air deflector, 12 is an air deflector, 13 is a wind resistance piece, 14 is an air outlet plate, 15 is an air outlet groove, 16 is a wind shield, 17 is a top cover, 18 is a flow divider, 19 is an air inlet channel, 20 is a filter plate. DETAILED DESCRIPTION

[0025] The embodiments of the present application will be further described below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0026] In the description of the present application, it should be pointed out that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present application, it should be pointed out that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between the two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] As Figures 1 to 7As shown in, a kind of bladeless fan, including base 1, base 1 is circular table structure, the inside of base 1 is equipped with cavity, fan 2 is fixedly arranged in base 1, the outlet end of fan 2 faces upwards, the upper end of base 1 is fixedly provided with middle ring 3, middle ring 3 is cylindrical structure, the inside of middle ring 3 is equipped with with the cavity being connected with base 1, the top of middle ring 3 is equipped with first air outlet 4, first air outlet 4 is equipped with two, two first air outlet 4 are symmetrically arranged on middle ring 3, detachably connected with air outlet cylinder 5 on the top of middle ring 3, middle ring 3 and air outlet cylinder 5 can be fixedly connected by buckle, air outlet cylinder 5 is vertical strip type structure, air outlet cylinder 5 is equipped with air duct 6, air duct 6 is connected with first air outlet 4, second air outlet 7 is formed in one side of air outlet cylinder 5, a plurality of first air baffle 8 are fixedly arranged in air duct 6, and first air baffle 8 is located on the side opposite to second air outlet 7;In the present application, the cold wind blown by fan 2 can enter middle ring 3 and from first air outlet 4 into the air duct 6 of air outlet cylinder 5, and finally is blown out from the second air outlet 7 on one side of air outlet cylinder 5, after entering air duct 6, first air baffle 8 can guide airflow, avoid airflow in air duct 6 disorder, to reduce noise, while the airflow in air duct 6 is more orderly, can improve the air volume of fan, improve cooling effect.

[0029] Further, as shown in Figure 3 And Figure 4 First air baffle 8 is L-shaped structure, and first air baffle 8 includes windward piece 9 and leeward piece 10, windward piece 9 is inclinedly arranged towards the side of second air outlet 7 and upwards, the distance between the upper end of windward piece 9 and second air outlet 7 is less than the distance between the lower end of windward piece 9 and second air outlet 7, one end of windward piece 9 is fixedly connected with the side wall of air outlet cylinder 5, after cold wind enters air duct 6 from first air outlet 4, cold wind is transported from lower to upper, after blowing to windward piece 9 of first air baffle 8, the direction of cold wind flow can be changed, so that cold wind flow blows towards the side of second air outlet 7, and finally is discharged from second air outlet 7, avoid that cold wind flow is blocked by top wall of air outlet cylinder 5 in air duct 6, resulting in airflow disorder, can reduce noise, and also can enhance air volume, and leeward piece 10 is arranged towards the side away from first air outlet 4, one end of leeward piece 10 is fixedly connected with windward piece 9, and the other end is fixedly connected with the side wall of air outlet cylinder 5, leeward piece 10 can enhance the structural strength of windward piece 9, avoid that windward piece 9 appears tremble when airflow is guided.

[0030] Further, as shown in Figure 3 And Figure 4As shown, the second air baffle 11 is arranged in the air duct 6 and is above the first air baffle 8. The second air baffle 11 can seal the top of the air outlet cylinder 5 and guide the cold air flow to avoid air turbulence. The second air baffle 11 comprises an air guiding piece 12 and a wind blocking piece 13. The air guiding piece 12 is inclined upwardly towards one side of the second air outlet 7. The length of the air guiding piece 12 is greater than that of the windward piece 9. One end of the air guiding piece 12 is fixedly connected to the side wall of the air outlet cylinder 5, and the other end is fixedly connected to the wind blocking piece 13. The wind blocking piece 13 is horizontally arranged. The end of the wind blocking piece 13 away from the air guiding piece 12 is fixedly connected to the side wall of the air outlet cylinder 5 at the side of the second air outlet 7. The wind blocking piece 13 is above the second air outlet 7. The cold air flow flows upwardly from the bottom of the air outlet cylinder 5. When the air flow rises to the top, if the top is horizontally arranged, the air flow will be turbulent, thus increasing the noise. In the embodiment, the air guiding piece 12 is inclined, which can guide the air flow to change the direction and blow to the second air outlet 7, thus avoiding air turbulence and reducing the noise. Meanwhile, the air outlet volume is increased.

[0031] Further, as shown in Figure 4 The air outlet plate 14 is arranged on the air outlet cylinder 5 and is fixedly arranged at the position of the second air outlet 7 of the air outlet cylinder 5. The air outlet groove 15 in the shape of a long strip is arranged on the air outlet plate 14 and constitutes the second air outlet 7, so that the cold air can be discharged from the air outlet groove 15. A plurality of wind blocking plates 16 are horizontally arranged in the air outlet groove 15. The wind blocking plates 16 are evenly arranged in the air outlet groove 15. The wind blocking plates 16 can make the air flow discharged from the second air outlet 7 more uniform. The top end of the air outlet plate 14 is fixedly connected to the end of the wind blocking piece 13 away from the air guiding piece 12. Therefore, the wind blocking piece 13 can seal the air outlet cylinder 5 to prevent the air flow from being discharged from the top of the air outlet cylinder 5. After being guided by the air guiding piece 12, the direction of the air flow becomes horizontal. The wind blocking piece 13 can further guide the air flow to blow along the surface of the wind blocking piece 13, thus making the air flow more stable.

[0032] Further, the top of the air outlet cylinder 5 is detachably provided with a top cover 17. The top cover 17 and the air outlet cylinder 5 are fixedly connected by buckling or bolts. During the transportation of the fan, the air outlet cylinder 5 and the base 1 are detachably connected, and the air outlet cylinder 5 and the top cover 17 are detachably connected. Therefore, the transportation volume can be reduced, and the transportation is facilitated.

[0033] Further, as shown in Figure 1 and Figure 2As shown, the middle ring 3 is fixedly provided with a shunt plate 18, the shunt plate 18 is a V-shaped structure, the shunt plate 18 and the side wall of the middle ring 3 jointly form an air inlet channel 19, the air inlet channel 19 is provided with two, the two air inlet channels 19 are respectively located on the two sides of the shunt plate 18, the air inlet channel 19 is communicated with the first air outlet 4, after the fan 2 blows out the cold air, since the outlet end of the fan 2 is upward, the cold air flow rises, after being shunted by the shunt plate 18, the cold air flow enters the two air inlet channels 19 and is discharged from the first air outlet 4, then enters the air duct 6 of the air outlet cylinder 5, and finally is discharged from the second air outlet 7.

[0034] Further, as shown in the drawings, Figure 2 As shown, the side wall of the base 1 is provided with an air inlet, external air flow can enter the base 1 from the air inlet in the working process of the fan 2, so that the air can be normally circulated, and the air inlet is provided with a filter plate 20, which can filter the dust and impurities in the air, so that the air is more clean, and the cold air blown by the fan is also more clean.

[0035] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the present application.

Claims

1. A bladeless fan, characterized by, The utility model provides a kind of air supply device, including base (1), fan (2) is provided in the base (1), the upper end of the base (1) is fixedly provided with middle ring (3), the top of the middle ring (3) is equipped with first air outlet (4), the top of the middle ring (3) is detachably connected with air outlet cylinder (5), air duct (6) is equipped in the air outlet cylinder (5), the air duct (6) is communicated with first air outlet (4), second air outlet (7) is opened in one side of the air outlet cylinder (5), a plurality of first air baffle (8) is fixedly provided in the air duct (6), the first air baffle (8) is located in the side opposite to second air outlet (7); The first air baffle (8) is L-shaped structure, and the first air baffle (8) includes a windward sheet (9) and a leeward sheet (10), the windward sheet (9) is inclined upwardly towards the side of the second air outlet (7), and the leeward sheet (10) is arranged towards the side away from the first air outlet (4); The air duct (6) is provided with a second air baffle (11), and the second air baffle (11) is located above the first air baffle (8); The second air baffle (11) includes a wind guide sheet (12) and a wind blocking sheet (13), the wind guide sheet (12) is inclined upwardly towards the side of the second air outlet (7), and the wind blocking sheet (13) is horizontally arranged to close the top of the air outlet cylinder (5).

2. A bladeless fan as claimed in claim 1, wherein, An air outlet plate (14) is mounted on the air outlet cylinder (5), the air outlet plate (14) is located at the second air outlet (7), the air outlet plate (14) is provided with an air outlet groove (15), a plurality of wind baffles (16) are horizontally mounted in the air outlet groove (15), and the top of the air outlet plate (14) is fixedly connected with one end of the wind blocking sheet (13) away from the wind guide sheet (12).

3. A bladeless fan as claimed in claim 1, wherein, A top cover (17) is detachably arranged on the top of the air outlet cylinder (5).

4. A bladeless fan as described in claim 1, wherein, The middle ring (3) is fixedly provided with a flow dividing plate (18), the flow dividing plate (18) is V-shaped structure, the flow dividing plate (18) and the side wall of the middle ring (3) form an air inlet channel (19), and the air inlet channel (19) is communicated with the first air outlet (4).

5. A bladeless fan as described in claim 1, wherein, An air inlet is formed in the side wall of the base (1), and a filter plate (20) is mounted on the air inlet.

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