Fan

Abstract

The fan comprises a handle and a fan head, the handle comprises a handle shell and a cyclone accelerator, a first air inlet and a first air outlet are formed in the handle shell, the first air outlet discharges air in the first direction, and a first airflow channel is formed in the handle shell and communicates with the first air inlet and the first air outlet; the cyclone accelerator is arranged in the handle shell and used for leading airflow into the first airflow channel from the first air inlet and sending out the airflow from the first air outlet. A second air inlet and a second air outlet are formed in the fan head, the second air outlet discharges air in the second direction, a second airflow channel is formed in the fan head and communicates with the second air inlet and the second air outlet, an included angle is formed between the second direction and the first direction, and the fan head can be detachably connected to the first air outlet of the handle shell. When the fan head is connected to the handle shell, the second air inlet is communicated with the first air outlet. The problem that the application scene of the fan is single can be solved.

Description

Technical Field

[0001] This application relates to the field of household appliances, and more particularly to a fan. Background Technology

[0002] As an innovative air conditioning device, bladeless fans have received widespread attention since their introduction due to their safety and streamlined design.

[0003] Traditional bladeless fans use a motor inside the handle to drive a turbine that draws in air. The air is then accelerated through a ring-shaped channel to form a uniform airflow, avoiding the safety hazards caused by exposed blades and improving the ease of cleaning.

[0004] However, existing bladeless fans have relatively limited applicability in practical applications. Utility Model Content

[0005] In view of the above-mentioned shortcomings in the prior art, this utility model provides a fan that can solve the problem of the limited application scenarios of the fan.

[0006] To solve the above-mentioned technical problems, this utility model provides a fan, comprising:

[0007] The handle includes a handle housing and a cyclone accelerator. The handle housing is provided with a first air inlet and a first air outlet. The first air outlet discharges air in a first direction. The handle housing is provided with a first airflow channel, which is connected to the first air inlet and the first air outlet respectively. The cyclone accelerator is disposed in the handle housing and is used to introduce airflow from the first air inlet into the first airflow channel and send it out from the first air outlet.

[0008] The fan head is provided with a second air inlet and a second air outlet. The second air outlet discharges air in a second direction. The fan head is provided with a second airflow channel, which is connected to the second air inlet and the second air outlet respectively. The second direction forms an angle with the first direction. The fan head can be detachably connected to the first air outlet of the handle shell. When the fan head is connected to the handle shell, the second air inlet is connected to the first air outlet.

[0009] In some possible implementations, the fan head is fitted around the first air outlet of the handle housing along the first direction;

[0010] The fan also includes a locking assembly disposed on the handle housing. The locking assembly is capable of locking the fan head when the fan head is sleeved onto the first air outlet of the handle housing in the first direction, so as to prevent the fan head and the handle housing from separating in the first direction.

[0011] In some possible implementations, the handle housing includes opposing first and second sidewalls;

[0012] The locking assembly includes:

[0013] A first locking member is movably disposed on the first sidewall;

[0014] The second locking member is movably disposed on the second side wall;

[0015] An operating component is connected to the first locking component, and the operating component is capable of moving the first locking component between an unlocked position and a locked position.

[0016] A transmission assembly is disposed within the handle housing and is pulsatorically connected to the first locking member and the second locking member respectively. When the first locking member moves to the locking position, the transmission assembly can drive the second locking member to move to the locking position. When the first locking member moves to the unlocking position, the transmission assembly can drive the second locking member to move to the unlocking position.

[0017] In some possible implementations, the transmission assembly includes:

[0018] A first rack, which is disposed on the first locking member;

[0019] The second rack is disposed on the second locking member and is parallel to the first rack;

[0020] A gear is disposed between the first rack and the second rack, and meshes with the first rack and the second rack respectively.

[0021] In some possible implementations, the opposite side walls of the fan head are respectively provided with a first snap-fit ​​groove and a second snap-fit ​​groove;

[0022] When the first locking member and the second locking member are in the locked position, the first locking member extends out of the first side wall and engages with the first locking groove, and the second locking member extends out of the second side wall and engages with the second locking groove.

[0023] In some possible implementations, the locking assembly further includes an elastic element for providing a restoring force to the first and second locking elements to move toward the locked position.

[0024] In some possible implementations, the handle housing includes an air vent grille disposed at the first air vent, the air vent grille having a shielding portion for shielding the transmission assembly.

[0025] In some possible implementations, the handle housing includes a handle outer shell, a first inner shell, and a second inner shell, the first inner shell and the second inner shell being arranged sequentially along the first direction, the handle outer shell being sleeved over the first inner shell and the second inner shell, and the first air outlet being located at the end of the first inner shell away from the second inner shell;

[0026] The air vent grille includes a grille portion and a connecting portion connected to the edge of the grille portion. The connecting portion is located between the first inner shell and the handle outer shell and is engaged with the second inner shell. The shielding portion is located in the grille portion. The first side wall and the second side wall are the opposite side walls of the connecting portion.

[0027] In some possible implementations, the fan head includes an inner fan housing and an outer fan housing, the outer fan housing being fitted over the inner fan housing, and an annular gap being formed between the outer fan housing and the inner fan housing to form the second airflow channel. Along the second direction, one end of the inner fan housing is sealed to one end of the outer fan housing, and an annular second air outlet is formed between the other end of the inner fan housing and the other end of the outer fan housing.

[0028] In some possible implementations, the cross-sectional area of ​​the second airflow channel gradually decreases along the airflow direction of the second air outlet.

[0029] In some possible implementations, the fan head further includes a baffle plate disposed within the second airflow channel and extending along the second direction. The baffle plate is also connected to the inner fan housing and the outer fan housing, respectively, and the baffle plate is located on the side of the inner fan housing away from the first air outlet.

[0030] In some possible implementations, the fan also includes a mounting bracket. When the fan head is not provided on the handle housing, the mounting bracket can be sleeved onto the outside of the first air outlet along the first direction. The mounting bracket is used to hang the fan at the placement position.

[0031] The locking assembly can also lock the hanging member when it is sleeved onto the handle housing in the first direction, so as to prevent the hanging member and the handle housing from separating in the first direction.

[0032] In some possible implementations, the locking assembly includes a first locking element and a second locking element;

[0033] The handle housing includes opposing first and second sidewalls;

[0034] The hanging component includes a collar, and the collar has a third engaging groove and a fourth engaging groove on its opposite side walls. When the first locking member and the second locking member are in the locked position, the first locking member extends out of the first side wall and engages with the third engaging groove, and the second locking member extends out of the second side wall and engages with the fourth engaging groove.

[0035] In some possible implementations, the hanging component further includes an elastic hanging arm and a pressing part, one end of the elastic hanging arm being connected to the collar and the other end being connected to the pressing part, the elastic hanging arm having a gap with the handle housing, and the pressing part abutting against the handle housing.

[0036] In some possible implementations, the outer peripheral wall of the collar is provided with a hanging hole for connecting a hanging rope.

[0037] In some possible implementations, the first air inlet is located at the bottom and / or side wall of the handle housing, and the first air outlet is located at the top wall of the handle housing.

[0038] Compared with the prior art, this application has at least the following beneficial effects:

[0039] In the application, since the fan head can be detachably connected to the handle shell, when the user can hold the fan for cooling, the fan head can be installed on the handle shell. This allows the user to hold the fan according to their needs, aligning the second outlet of the fan head with the area requiring cooling. When the user cannot hold the fan for cooling, the fan head can be detached, allowing the cool airflow from the handle to flow in the first direction. In this case, the fan head can be placed on a table, put in a pocket, or hung on the body or elsewhere via a connecting rope. It is evident that by detachably connecting the fan head to the handle, the user can choose to use the fan head or detach it from the handle shell according to their needs, adapting to different scenarios and increasing the versatility of the fan's application scenarios. Attached Figure Description

[0040] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0041] Figure 1 A schematic diagram of the fan structure provided in an embodiment of this utility model;

[0042] Figure 2 for Figure 1 Sectional view at point AA;

[0043] Figure 3 for Figure 1 Exploded view of part of the central fan;

[0044] Figure 4 This is a schematic diagram of the assembly structure of the transmission component provided in an embodiment of the present utility model;

[0045] Figure 5 for Figure 2 A magnified view of a portion of point B in the middle;

[0046] Figure 6 A cross-sectional view of the fan housing provided in an embodiment of this utility model;

[0047] Figure 7 This is a schematic diagram of the structure of the transmission assembly provided in an embodiment of the present utility model;

[0048] Figure 8 This is a schematic diagram of the structure of a fan without the fan head provided in an embodiment of the present utility model;

[0049] Figure 9 An exploded view of the air outlet grille provided in an embodiment of this utility model;

[0050] Figure 10 This is a schematic diagram of the structure of the air outlet grille provided in an embodiment of the present utility model;

[0051] Figure 11 for Figure 8 Cross-sectional view at point CC;

[0052] Figure 12 This is a schematic diagram of the structure of the fan head provided in an embodiment of the present utility model;

[0053] Figure 13 for Figure 12 Cross-sectional view at point DD;

[0054] Figure 14 for Figure 12 Cross-sectional view at the EE section;

[0055] Figure 15 This is a schematic diagram of the structure of the hanging member provided in this embodiment of the utility model, which is mounted on the handle.

[0056] Figure 16 Exploded view of the hanging component and handle provided in the embodiment of this utility model;

[0057] Figure 17 for Figure 15 Cross-sectional view at the middle FF section;

[0058] Figure 18 A schematic diagram of a fan with a hanging rope provided in an embodiment of this utility model;

[0059] Figure 19 A schematic diagram of the structure of the first air inlet provided in an embodiment of this utility model.

[0060] Explanation of reference numerals in the attached figures:

[0061] 100-fan;

[0062] 110 - Handle; 111 - Handle housing; 111a - First sidewall; 111b - Second sidewall; 1111 - First air inlet; 1112 - First air outlet; 1113 - First airflow channel; 111A - Air outlet grille; 111A1 - Shielding part; 111A2 - Grille part; 111A3 - Connecting part; 111B - Handle housing; 111C - First inner housing; 111D - Second inner housing;

[0063] 120 - Fan head; 121 - Second air inlet; 122 - Second air outlet; 123 - Second airflow channel; 124 - Partition; 120a - First slot; 120b - Second slot; 120A - Fan inner shell; 120B - Fan outer shell;

[0064] 130-Lock assembly; 131-First locking element; 132-Second locking element; 133-Operating element; 134-Transmission assembly; 1341-First rack; 1342-Second rack; 1343-Gear; 135-Elastic element;

[0065] 140 - Hanging component; 141 - Loop; 1411 - Third locking groove; 1412 - Fourth locking groove; 1413 - Hanging hole; 142 - Elastic hanging arm; 143 - Pressing part; 150 - Hanging rope. Detailed Implementation

[0066] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0067] In this invention, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this invention and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0068] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this utility model according to the specific circumstances.

[0069] Furthermore, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this utility model based on the specific circumstances.

[0070] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, elements, or components (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, elements, or components. Unless otherwise stated, "a plurality of" means two or more.

[0071] Before describing the embodiments of this application, let's first introduce the structure and working principle of the bladeless fan.

[0072] The bladeless fan includes a handle and a fan head. The handle contains a cyclone accelerator and a battery. The cyclone accelerator is connected to the battery, which provides power to the cyclone accelerator. When the cyclone accelerator is working, it can draw in outside air. Specifically, the cyclone accelerator includes a motor electrically connected to the battery and a turbine connected to the motor. When the motor drives the turbine to rotate at high speed, it can draw outside air into the handle through a first air inlet. The air entering the handle is compressed by the high-speed rotation of the turbine to form an airflow. The airflow is pushed to the second air outlet of the fan head through a first airflow channel inside the handle.

[0073] In related technologies, because the fan head and handle are integrally formed or fixedly connected, the airflow direction of the bladeless fan is fixed during use and movement, resulting in a relatively limited application scenario. Based on this, the present application provides a fan to solve the above problems.

[0074] The present application will be described in detail below through specific embodiments:

[0075] See Figure 1 and Figure 2 This application provides a fan 100, which includes a handle 110 and a fan head 120. The handle 110 includes a handle housing 111 and a cyclone accelerator. The handle housing 111 is provided with a first air inlet 1111 and a first air outlet 1112. The first air outlet 1112 discharges air in a first direction. The handle housing 111 is provided with a first airflow channel 1113, which is connected to the first air inlet 1111 and the first air outlet 1112. The cyclone accelerator is disposed in the handle housing 111 and is used to introduce airflow from the first air inlet 1111 into the first air outlet 1112. The airflow is delivered through the first air outlet 1112 and into the airflow channel. The fan head 120 is provided with a second air inlet 121 and a second air outlet 122. The second air outlet 122 delivers air in a second direction. The fan head 120 is provided with a second airflow channel 123, which is connected to the second air inlet 121 and the second air outlet 122 respectively. The second direction is at an angle to the first direction. The fan head 120 can be detachably connected to the first air outlet 1112 of the handle housing 111. When the fan head 120 is connected to the handle housing 111, the second air inlet 121 is connected to the first air outlet 1112.

[0076] The aforementioned cyclone accelerator can draw external air into the handle 110 and accelerate the air entering the handle 110 to form an airflow. Typically, the cyclone accelerator can accelerate the air entering the handle 110 by more than ten times. The airflow formed after acceleration will be discharged at high speed through the first air outlet 1112 or the second air outlet 122 of the fan head 120 to form a continuous flow of cold air, thereby achieving the purpose of cooling.

[0077] Optionally, a control button is provided on the handle 110, which can adjust the wind speed of the cold air flow coming out from the first air outlet 1112 or the second air outlet 122, so as to adapt to the different needs of different users.

[0078] The first direction mentioned above refers to Figure 2 The direction indicated by the Y-arrow in the middle, the second direction refers to Figure 1 The direction indicated by the X arrow.

[0079] Optionally, the first direction is parallel to the extension direction of the handle 110, or there is an angle between the first direction and the extension direction of the handle 110.

[0080] Optionally, the angle between the second direction and the first direction can be acute, right, or obtuse. In this embodiment, the example of the second direction being perpendicular to the first direction is used for illustration.

[0081] The first airflow channel 1113 is usually straight. For example, the extension direction of the first airflow channel 1113 is parallel to the extension direction of the handle 110.

[0082] The aforementioned second airflow channel 123 can be arc-shaped, semi-circular, or annular, etc.

[0083] The aforementioned detachable connection of the fan head 120 to the handle housing 111 means that when the fan head 120 needs to be installed on the handle housing 111, the fan head 120 is connected to the handle housing 111. When the fan head 120 does not need to be installed on the handle 110, the fan head 120 can be removed from the handle housing 111, thereby improving the flexibility of the fan head 120 installation.

[0084] Based on this, in this embodiment, since the fan head 120 can be detachably connected to the handle housing 111, when the user can hold the fan 100 to cool it down, the fan head 120 can be installed on the handle housing 111. This allows the user to hold the fan 100 according to their needs, so that the second outlet of the fan head 120 is aimed at the part that needs to be cooled. When the user cannot hold the fan 100 to cool it down, the fan head 120 can be detached, so that the cold air flow from the handle 110 flows in the first direction. In this case, the fan head 120 can be placed on a table, put in a pocket, or hung on the body or other places by a connecting rope. It can be seen that by detachably connecting the fan head 120 to the handle 110, the user can choose to use the fan head 120 or detach the fan head 120 from the handle housing 111 according to their needs, so as to be suitable for different scenarios and improve the versatility of the fan 100's applicable scenarios.

[0085] Furthermore, there are various structures for achieving a detachable connection between the fan head 120 and the handle housing 111. In one possible embodiment, see [link to relevant documentation]. Figure 2 and Figure 3 The fan head 120 is sleeved on the first air outlet 1112 of the handle housing 111 along the first direction; the fan 100 also includes a locking assembly 130, which is disposed on the handle housing 111. The locking assembly 130 can lock the fan head 120 when the fan head 120 is sleeved on the first air outlet 1112 of the handle housing 111 along the first direction, so as to prevent the fan head 120 and the handle housing 111 from separating along the first direction.

[0086] Therefore, when the user needs a flow of cold air that is delivered in the second direction, the fan head 120 is fitted onto the first air outlet 1112 of the handle housing 111 in the first direction, and the locking assembly 130 locks the fan head 120 onto the handle housing 111 to prevent the fan head 120 from separating from the handle housing 111 in the first direction. When the user needs a flow of cold air that is delivered in the first direction, the locking assembly 130 is unlocked, and the fan head 120 is removed from the handle housing 111.

[0087] As can be seen, by setting the locking assembly 130, the reliability of the installation of the fan head 120 can be ensured when the fan head 120 is installed on the handle shell 111, and the difficulty of removing the fan head 120 from the handle shell 111 is reduced.

[0088] In another possible embodiment, the fan head 120 is snapped into the handle housing 111.

[0089] In one possible embodiment, see Figure 4 and Figure 5 The handle housing 111 includes a first sidewall 111a and a second sidewall 111b opposite to each other; the locking assembly 130 includes a first locking member 131, a second locking member 132, an operating member 133, and a transmission assembly 134. The first locking member 131 is movably disposed on the first sidewall 111a; the second locking member 132 is movably disposed on the second sidewall 111b; the operating member 133 is connected to the first locking member 131, and the operating member 133 can drive the first locking member 131 to move between the unlocked position and the locked position; the transmission assembly 134 is disposed inside the handle housing 111 and is drivenly connected to the first locking member 131 and the second locking member 132 respectively. When the first locking member 131 moves to the locked position, the transmission assembly 134 can drive the second locking member 132 to move to the locked position. When the first locking member 131 moves to the unlocked position, the transmission assembly 134 can drive the second locking member 132 to move to the unlocked position.

[0090] When the fan head 120 needs to be removed from the handle housing 111, first push the operating component 133, such as the button, so that the button causes the first locking component 131 to move from the locked position to the unlocked position. When the first locking component 131 moves from the locked position to the unlocked position, it can drive the transmission component 134 to move, thereby driving the second locking component 132 to move from the locked position to the unlocked position. In this way, the first locking component 131 and the second locking component 132 can be controlled by one operating component 133. On the one hand, it simplifies the structural components of the locking assembly, and on the other hand, it improves the compactness of the fan 100 structure.

[0091] Alternatively, the handle housing 111 may include an inner housing of the handle 110 and a outer housing 111B of the handle 110 fitted onto the inner housing of the handle 110, with a first sidewall 111a and a second sidewall 111b located on the inner housing of the handle 110.

[0092] Furthermore, the structure of the aforementioned transmission assembly 134 includes various methods; see [link to relevant documentation] for some possible embodiments. Figure 4 , Figure 5 , Figure 6 and Figure 7 The transmission assembly 134 includes a first rack 1341, a second rack 1342, and a gear 1343. The first rack 1341 is disposed on the first locking member 131; the second rack 1342 is disposed on the second locking member 132 and is parallel to the first rack 1341; the gear 1343 is disposed between the first rack 1341 and the second rack 1342 and meshes with the first rack 1341 and the second rack 1342 respectively.

[0093] Therefore, when the first locking member 131 moves from the locked position to the unlocked position, the first rack 1341 on the first locking member 131 can drive the gear 1343 to rotate. When the gear 1343 rotates, it can drive the second rack 1342 to move, thereby driving the second locking member 132 to move from the locked position to the unlocked position. This allows the first locking member 131 and the second locking member 132 to move from the locked position to the unlocked position simultaneously, or from the unlocked position to the locked position.

[0094] In addition, since the first rack 1341 and gear 1343, as well as the second rack 1342 and gear 1343, are all meshed, the reliability of the first locking member 131 and the second locking member 132 moving from the locked position to the unlocked position or from the unlocked position to the locked position can be improved.

[0095] In some other possible embodiments, the transmission assembly 134 includes a lead screw and a first nut and a second nut that cooperate with the lead screw. The first nut and the second nut cooperate with the two ends of the lead screw respectively, and the first nut and the second nut move in opposite directions, and the threads at the two ends of the corresponding lead screw have opposite directions of rotation.

[0096] In some possible embodiments, see Figure 5 and Figure 6 The fan head 120 has a first locking groove 120a and a second locking groove 120b respectively on its opposite side walls; when the first locking member 131 and the second locking member 132 are in the locked position, the first locking member 131 extends out of the first side wall 111a and engages with the first locking groove 120a, and the second locking member 132 extends out of the second side wall 111b and engages with the second locking groove 120b.

[0097] Since when the fan head 120 is connected to the handle housing 111 and the first locking member 131 and the second locking member 132 are in the locked position, the first locking member 131 extends out of the first side wall 111a and engages with the first snap-fit ​​groove 120a, and the second locking member 132 extends out of the second side wall 111b and engages with the second snap-fit ​​groove 120b, that is to say, the opposite two side walls of the fan head 120 are respectively engaged with the first side wall 111a and the second side wall 111b of the handle housing 111, the stability of the fan head 120 locked on the handle housing 111 can be improved.

[0098] In some possible embodiments, see Figure 4 and Figure 7 The locking assembly 130 also includes an elastic element 135, which provides a restoring force to the first locking element 131 and the second locking element 132 to move to the locking position.

[0099] When the control unit 133 pushes the first locking member 131 to drive the second locking member 132 from the locked position to the unlocked position through the transmission assembly 134, the elastic member 135 compresses and accumulates elastic potential energy. When both the first locking member 131 and the second locking member 132 are in the unlocked position, after the power on the control unit 133 is removed, the elastic member 135 releases the elastic potential energy. The elastic potential energy can push the first locking member 131 and the second locking member 132 to the locked position. When the first locking member 131 moves to the locked position, it can push the control unit 133 to reset. It can be seen that when the first locking member 131 and the second locking member 132 are unlocked, the first locking member 131 and the second locking member 132 can be reset and the control unit 133 can be reset without the user performing any extra operations, which further improves the compactness of the fan 100 structure.

[0100] Alternatively, the elastic element 135 can be a telescopic spring, a sheet spring, etc.

[0101] In some possible embodiments, see Figure 8 , Figure 9 and Figure 10 The handle housing 111 includes an air outlet grille 111A, which is located at the first air outlet 1112. The air outlet grille 111A has a shielding part 111A1, which is used to shield the transmission assembly 134.

[0102] Since the blocking portion 111A1 of the air outlet grille 111A is used to block the transmission assembly 134, the blocking portion 111A1 can restrict the degree of freedom of the transmission assembly 134 in the first direction, thereby ensuring the reliability of the transmission assembly 134.

[0103] For example, the shield 111A1 is located in the middle of the air outlet grille 111A, and the shield 111A1 shields the gear 1343, at least a portion of the first rack 1341 and at least a portion of the second rack 1342.

[0104] In some possible embodiments, see Figure 9 , Figure 10 and Figure 11 The handle housing 111 includes a handle outer shell 111B, a first inner shell 111C, and a second inner shell 111D. The first inner shell 111C and the second inner shell 111D are arranged sequentially along a first direction. The handle outer shell 111B is sleeved on the outside of the first inner shell 111C and the second inner shell 111D. The first air outlet 1112 is located at the end of the first inner shell 111C away from the second inner shell 111D. The air outlet grille 111A includes a grille portion 111A2 and a connecting portion 111A3 connected to the edge of the grille portion 111A2. The connecting portion 111A3 is located between the first inner shell 111C and the handle outer shell 111B and is engaged with the second inner shell 111D. The shielding portion 111A1 is located in the grille portion 111A2. The first side wall 111a and the second side wall 111b are the opposite side walls of the connecting portion 111A3.

[0105] By having the connecting part 111A3 of the air outlet grille 111A located between the first inner shell 111C and the handle outer shell 111B and engaging with the second inner shell 111D, the air outlet grille 111A can be fixedly installed.

[0106] In addition, since the first sidewall 111a and the second sidewall 111b are the opposite sidewalls of the connecting part 111A3, the first locking member 131 extends out of one sidewall of the connecting part 111A3 and engages with the first locking groove 120a, and the second locking member extends out of the other sidewall of the connecting part 111A3 and engages with the second locking groove 120b, thereby realizing the engagement of the opposite sidewalls of the fan head 120 with the first sidewall 111a and the second sidewall 111b.

[0107] It should be noted that the connection method of the first inner shell 111C and the second inner shell 111D is not specifically limited. For example, the edge of the first inner shell 111C is fixedly connected to the edge of the second inner shell 111D, such as by welding or bonding, or the edge of the first inner shell 111C and the edge of the second inner shell 111D abut against each other.

[0108] In some possible embodiments, see Figure 12 and Figure 13The fan head 120 includes an inner fan housing 120A and an outer fan housing 120B. The outer fan housing 120B is fitted over the inner fan housing 120A, and there is an annular gap between the outer fan housing 120B and the inner fan housing 120A to form a second airflow channel 123. Along the second direction, one end of the inner fan housing 120A is sealed to one end of the outer fan housing 120B, and an annular second air outlet 122 is formed between the other end of the inner fan housing 120A and the other end of the outer fan housing 120B.

[0109] Since there is an annular gap between the fan housing 120B and the fan inner housing 120A to form a second airflow channel 123, the high-speed airflow delivered from the first air outlet 1112 will flow along the surface of the annular second airflow channel 123 after passing through the second air inlet 121. Due to the Coanda effect, the airflow can adhere to the curved surface of the second airflow channel 123, thereby forming a stable and continuous annular airflow, which is then uniformly delivered from the second air outlet 122, improving the uniformity of the airflow from the second air outlet 122.

[0110] In addition, the Coanda effect mentioned above refers to the tendency of a fluid (liquid or airflow) to deviate from its original flow direction and instead flow along the surface of a protruding object. In this embodiment, the airflow will flow along the annular surface of the fan inner shell 120A after being sent out from the first air outlet 1112.

[0111] In some possible embodiments, see Figure 14 Along the air outlet direction of the second air outlet 122, the cross-sectional area of ​​the second airflow channel 123 gradually decreases.

[0112] Therefore, by gradually reducing the cross-sectional area of ​​the second airflow channel 123 in the airflow direction of the second air outlet 122, the airflow velocity at the second air outlet 122 can be increased, thereby improving the user experience.

[0113] In some possible embodiments, see Figure 13 The fan head 120 also includes a partition 124, which is disposed in the second airflow channel 123 and extends along the second direction. The partition 124 is also connected to the fan inner shell 120A and the fan outer shell 120B respectively. The partition 124 is located on the side of the fan inner shell 120A away from the first air outlet 1112.

[0114] The specific structure of the partition 124 is not limited. For example, the partition 124 may be a flat plate or the cross-section of the partition 124 may be triangular, that is, the cross-section of the partition 124 decreases along the direction from one end of the fan housing 120B to the other end of the fan housing 120B.

[0115] When the airflow delivered from the second air inlet 121 hits the peripheral wall of the inner shell of the handle 110, it splits into two streams, left and right, and moves upward along the second airflow channel 123. When these two streams of air converge on the side of the second airflow channel 123 away from the first air outlet 1112, they will collide and generate turbulence due to the different directions of movement of the two streams of air. This will offset some of the wind force and affect the user experience of the fan 100.

[0116] Based on this, the partition 124 is located on the side of the fan inner shell 120A away from the first air outlet 1112 and is disposed in the second airflow channel 123, extending along the second direction. The partition 124 is also connected to the fan inner shell 120A and the fan outer shell 120B respectively. Thus, the partition 124 divides the annular second airflow channel 123 into two parts along the left and right sides. In this way, the airflow sent from the first air outlet 1112 can be isolated by the partition 124 as it moves upward along the second airflow channel 123, avoiding the collision of the two airflows and the generation of turbulence, thereby improving the user experience of the fan 100.

[0117] In some possible embodiments, see Figure 15 , Figure 16 and Figure 17 The fan 100 also includes a hanging member 140. When the fan head 120 is not provided on the handle housing 111, the hanging member 140 can be sleeved on the outside of the first air outlet 1112 in the first direction. The hanging member 140 is used to hang the fan 100 at the placement position. The locking assembly 130 can also lock the hanging member 140 when it is sleeved on the handle housing 111 in the first direction, so as to prevent the hanging member 140 and the handle housing 111 from separating in the first direction.

[0118] Specifically, when the fan head 120 is installed on the handle housing 111, the air outlet direction of the fan 100 is along the second direction, and the user needs to hold the fan 100 to cool off.

[0119] When the user is unable to hold the fan 100, the fan head 120 is removed from the handle housing 111, and the hanging part 140 is attached to the outside of the first air outlet 1112 along the first direction. At this time, the hanging part 140 can be hung at the placement position such as the belt, collar, or edge of the pocket. In this case, the air outlet direction of the fan 100 is along the first direction.

[0120] As can be seen, users can choose to install the fan head 120 or the hanging part 140 on the handle shell 111 according to their actual needs, which further improves the diversity of application scenarios of the fan 100.

[0121] In addition, when the hanging part 140 is disposed on the handle housing 111, in order to ensure the reliability of the hanging part 140, the locking assembly 130 locks the hanging part 140 to prevent the hanging part 140 from separating from the handle housing 111 in the first direction.

[0122] In addition, it should be noted that the above-mentioned mounting bracket 140 and fan head 120 are located at the same position on the handle housing 111. That is to say, the fan head 120 and the mounting bracket 140 can be either mounted on the handle housing 111, but cannot be mounted on both at the same time.

[0123] Furthermore, the locking assembly 130 of the locking fan head 120 and the locking assembly 130 of the locking bracket 140 are the same set of locking assemblies 130.

[0124] In some possible embodiments, see Figure 16 and Figure 17 The locking assembly 130 includes a first locking member 131 and a second locking member 132; the handle housing 111 includes a first sidewall 111a and a second sidewall 111b; the hanging member 140 includes a collar 141, and the opposite sidewalls of the collar 141 are provided with a third engaging groove 1411 and a fourth engaging groove 1412. When the first locking member 131 and the second locking member 132 are in the locked position, the first locking member 131 extends out of the first sidewall 111a and engages with the third engaging groove, and the second locking member 132 extends out of the second sidewall 111b and engages with the fourth engaging groove.

[0125] To improve the reliability of the connection between the hanging part 140 and the handle housing 111, in this embodiment, the locking assembly 130 includes two parts, namely the first locking part 131 and the second locking part 132. Similarly, the snap-fit ​​groove provided on the collar 141 also includes two parts, namely the third snap-fit ​​groove 1411 and the fourth snap-fit ​​groove 1412.

[0126] Since the first locking member 131 and the second locking member 132 are movably disposed on the first side wall 111a and the second side wall 111b respectively, and the third snap-fit ​​groove 1411 and the fourth snap-fit ​​groove 1412 are disposed on the opposite side walls of the collar 141 respectively, when the hanging member 140 is sleeved on the first air outlet 1112 of the handle housing 111 along the first direction, the locking assembly can make the opposite side walls of the collar 141 snap-fit ​​with the opposite side walls of the handle housing 111 respectively, thereby improving the reliability of the connection between the hanging member 140 and the handle housing 111.

[0127] In some possible embodiments, see Figure 16 and Figure 17The hanging component 140 also includes an elastic hanging arm 142 and a pressing part 143. One end of the elastic hanging arm 142 is connected to the collar 141 and the other end is connected to the pressing part 143. There is a gap between the elastic hanging arm 142 and the handle housing 111, and the pressing part 143 abuts against the handle housing 111.

[0128] Based on the structure in the above embodiments, when the fan 100 needs to be hung at a placement location such as a belt, the clamping part 143 is first pulled to create a gap between it and the handle housing 111, so that the belt can extend between the elastic hanging arm 142 and the handle housing 111. When the belt is fully extended between the elastic hanging arm 142 and the handle housing 111, or when the edge of the belt abuts against the connection between the elastic hanging arm 142 and the handle housing 111, the force applied to the clamping part 143 is removed, so that it abuts against the belt or the handle housing 111, thereby allowing the hanging member 140 to fix the fan 100 at the placement location, improving the reliability of the hanging member 140 in hanging the fan 100.

[0129] In some possible embodiments, see Figure 16 and Figure 18 The outer peripheral wall of the collar 141 is provided with a hanging hole 1413, which is used to connect the hanging rope 150.

[0130] By providing a hanging hole 1413 on the outer peripheral wall of the collar 141, a hanging rope 150 can be provided on the fan 100, so that the fan 100 can be hung at a placement location, such as a wall hook or a user's neck, thereby further improving the versatility of the fan 100's placement scenarios.

[0131] Alternatively, hanging holes 1413 are provided on opposite sides of the outer periphery of the collar 141, and hanging rope 150 can be directly attached to hanging holes 1413.

[0132] In some possible embodiments, see Figure 19 The first air inlet 1111 is located at the bottom and / or side wall of the handle housing 111, and the first air outlet 1112 is located at the top wall of the handle housing 111.

[0133] The first air inlet 1111 being located at the bottom and / or side wall of the handle housing 111 means that the first air inlet 1111 is located at the bottom of the handle housing 111, or the first air inlet 1111 is located at the side wall of the handle housing 111, or the first air inlet 1111 is located at both the bottom and side wall of the handle housing 111.

[0134] By setting the first air inlet 1111 at the bottom and / or side wall of the handle housing 111, the weight of the handle housing 111 can be reduced, enabling the fan 100 to achieve a lightweight design. On the other hand, when the first air inlet 1111 is set at both the side wall and the bottom of the handle housing 111, the handle housing 111 can be three-dimensionally air-intake, increasing the air intake volume of the handle housing 111.

[0135] Furthermore, since the first air outlet 1112 is located at the top, and the fan head 120 is usually located at the top of the handle housing 111, the airflow path after acceleration can be shortened, thereby ensuring the airflow effect of the fan head 120 and thus ensuring the user's experience.

[0136] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A fan, characterized in that, include: The handle includes a handle housing and a cyclone accelerator. The handle housing is provided with a first air inlet and a first air outlet. The first air outlet discharges air in a first direction. The handle housing is provided with a first airflow channel, which is connected to the first air inlet and the first air outlet respectively. The cyclone accelerator is disposed in the handle housing and is used to introduce airflow from the first air inlet into the first airflow channel and send it out from the first air outlet. The fan head is provided with a second air inlet and a second air outlet. The second air outlet discharges air in a second direction. The fan head is provided with a second airflow channel, which is connected to the second air inlet and the second air outlet respectively. The second direction forms an angle with the first direction. The fan head can be detachably connected to the first air outlet of the handle shell. When the fan head is connected to the handle shell, the second air inlet is connected to the first air outlet.

2. The fan according to claim 1, characterized in that, The fan head is sleeved around the first air outlet of the handle housing along the first direction; The fan also includes a locking assembly disposed on the handle housing. The locking assembly is capable of locking the fan head when the fan head is sleeved onto the first air outlet of the handle housing in the first direction, so as to prevent the fan head and the handle housing from separating in the first direction.

3. The fan according to claim 2, characterized in that, The handle housing includes opposing first and second sidewalls; The locking assembly includes: A first locking member is movably disposed on the first sidewall; The second locking member is movably disposed on the second side wall; An operating component is connected to the first locking component, and the operating component is capable of moving the first locking component between an unlocked position and a locked position. A transmission assembly is disposed within the handle housing and is pulsatorically connected to the first locking member and the second locking member respectively. When the first locking member moves to the locking position, the transmission assembly can drive the second locking member to move to the locking position. When the first locking member moves to the unlocking position, the transmission assembly can drive the second locking member to move to the unlocking position.

4. The fan according to claim 3, characterized in that, The transmission assembly includes: A first rack, which is disposed on the first locking member; The second rack is disposed on the second locking member and is parallel to the first rack; A gear is disposed between the first rack and the second rack, and meshes with the first rack and the second rack respectively.

5. The fan according to claim 4, characterized in that, The fan head has a first snap-fit ​​groove and a second snap-fit ​​groove respectively provided on the opposite two side walls; When the first locking member and the second locking member are in the locked position, the first locking member extends out of the first side wall and engages with the first locking groove, and the second locking member extends out of the second side wall and engages with the second locking groove.

6. The fan according to claim 3, characterized in that, The locking assembly further includes an elastic element for providing a restoring force to the first locking member and the second locking member to move toward the locking position.

7. The fan according to claim 3, characterized in that, The handle housing includes an air vent grille, which is disposed at the first air vent. The air vent grille has a shielding portion for shielding the transmission component.

8. The fan according to any one of claims 1 to 7, characterized in that, Along the air outlet direction, the cross-sectional area of ​​the second airflow channel gradually decreases.

9. The fan according to claim 8, characterized in that, The fan head also includes a partition, which is disposed in the second airflow channel and extends along the second direction. The partition is also connected to the inner fan housing and the outer fan housing respectively. The partition is located on the side of the inner fan housing away from the first air outlet.

10. The fan according to claim 2, characterized in that, The fan also includes a hanging component. When the fan head is not provided on the handle housing, the hanging component can be sleeved on the outside of the first air outlet along the first direction. The hanging component is used to hang the fan at the placement position. The locking assembly can also lock the hanging member when it is sleeved onto the handle housing in the first direction, so as to prevent the hanging member and the handle housing from separating in the first direction.

11. The fan according to claim 10, characterized in that, The locking assembly includes a first locking element and a second locking element; The handle housing includes opposing first and second sidewalls; The hanging component includes a collar, and the collar has a third engaging groove and a fourth engaging groove on its opposite side walls. When the first locking member and the second locking member are in the locked position, the first locking member extends out of the first side wall and engages with the third engaging groove, and the second locking member extends out of the second side wall and engages with the fourth engaging groove.

12. The fan according to claim 11, characterized in that, The hanging component also includes an elastic hanging arm and a pressing part. One end of the elastic hanging arm is connected to the collar and the other end is connected to the pressing part. There is a gap between the elastic hanging arm and the handle housing, and the pressing part abuts against the handle housing.

13. The fan according to claim 11, characterized in that, The outer peripheral wall of the collar is provided with a hanging hole for connecting a hanging rope.

14. The fan according to any one of claims 1 to 7, characterized in that, The first air inlet is located at the bottom and / or side wall of the handle housing, and the first air outlet is located at the top wall of the handle housing.

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