CN214404073U

CN214404073U - Desktop fan

Info

Publication number: CN214404073U
Application number: CN202120158913.1U
Authority: CN
Inventors: 陈志川
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-10-15
Anticipated expiration: 2031-01-20

Abstract

The utility model is suitable for a fan technical field provides a desktop fan, including the fan main part, the fan main part includes first, second fan body and connects the mesochite, and first, second fan body left and right sides interval sets up, is provided with cross-flow fan in first fan body, the second fan body; a chassis is arranged at the bottom of the fan main body, and an electric structure is arranged between the fan main body and the chassis; the electric structure comprises a chassis motor connected to the bottom of the middle shell, a planetary gear connected to the chassis motor and an inner gear ring connected to the chassis, wherein the planetary gear is meshed with the inner gear ring. The utility model provides a desktop fan, when its chassis motor rotates, it drives planetary gear and rotates around the ring gear to make fan main part rotate about can, in order to sweep different angles, and rotate the steady reliable of process, through controlling chassis motor, can make fan main part shake the head in the range of difference, the user can freely switch the angle of shaking the head as required, and user experience is good.

Description

Desktop fan

Technical Field

The utility model belongs to the technical field of the fan, especially, relate to a desktop fan.

Background

Present fan, its structure of shaking the head mostly adopt connecting rod formula structure, and its angle of shaking the head can not switch the regulation, and the air current sweeps the angle relatively fixed promptly, and in few people, many people applied the scene, the fixed angle of shaking the head of present fan is difficult to satisfy the user demand, and the user uses inconveniently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a desktop fan, it shakes the head steady, and the biggest angle of shaking the head is adjustable, user convenient to use.

The technical scheme of the utility model is that: a desktop fan comprises a fan main body, wherein the fan main body comprises a first fan body, a second fan body and a connecting middle shell, the first fan body and the second fan body are arranged at left and right intervals, two ends of the connecting middle shell are respectively and integrally connected or fixedly connected with the first fan body and the second fan body, and the first fan body and the second fan body are respectively provided with an air suction port and an air outlet; a first cross flow fan is arranged in the first fan body, and a second cross flow fan is arranged in the second fan body; a chassis is arranged at the bottom of the fan main body, and an electric structure for driving the fan main body to rotate relative to the chassis is arranged between the fan main body and the chassis; the electric structure comprises a chassis motor connected to the bottom of the middle connecting shell, a planetary gear connected to the chassis motor and an inner gear ring connected to the chassis, and the planetary gear is meshed with the inner gear ring.

Specifically, the chassis is further connected with a chassis cover, and the chassis motor penetrates through the chassis cover.

Specifically, a gear sleeve is further arranged in the chassis and sleeved on the inner gear ring.

Specifically, the chassis is connected with a bracket, and the bracket is annular or open-ring-shaped.

Specifically, the first crossflow blower comprises a first impeller arranged along the longitudinal direction, a first air deflector arranged on one side of the first impeller, and a first motor part connected to the first impeller and used for driving the first impeller to rotate; the second cross-flow fan comprises a second impeller arranged along the longitudinal direction, a second air deflector arranged on one side of the second impeller and a second motor part which is connected with the second impeller and is used for driving the second impeller to rotate;

the first fan body and the second fan body are both in a polygonal column shape or a circular column shape and are longitudinally arranged; the fan main body is U-shaped or H-shaped.

Specifically, the height of the first fan body is greater than that of the second fan body; or the height of the first fan body is equal to that of the second fan body.

Specifically, the connection mesochite is provided with an operation device for controlling the desktop fan, the operation device is arranged on the top surface or the front surface of the connection mesochite, and the operation device comprises at least one of a key, a knob, a touch screen and a gesture sensor.

Specifically, one opposite side of the first fan body and the second fan body is an inner side, the other side of the first fan body and the second fan body is an outer side, the air suction opening is arranged on the outer side of the first fan body and the outer side of the second fan body, and the air outlet is arranged on the front side of the first fan body and the front side of the second fan body;

the first air deflector and the inner wall of the first fan body as well as the second air deflector and the inner wall of the second fan body form an air guide channel respectively; one side of the first air deflector is connected to the inner wall of the outer side of the first fan body, the other side of the first air deflector is connected to the inner wall of the front side of the first fan body, and an arc-shaped air guide wall is arranged between the two sides of the first air deflector; one side of the second air deflector is connected to the inner wall of the outer side of the second fan body, the other side of the second air deflector is connected to the inner wall of the front side of the second fan body, and an arc-shaped air guide wall is arranged between the two sides of the second air deflector.

Specifically, a battery module is arranged inside the fan main body, and the fan main body is provided with a power supply interface; and a battery pressing plate used for pressing the battery module is arranged in the fan main body.

Specifically, at least one of a water tank, a humidifying device and a negative ion generator is arranged in the fan main body;

a dust screen is arranged at the air suction opening;

a display screen is arranged on the front side or the top surface of the connecting middle shell;

the front side or the top surface of the connecting middle shell is provided with a USB output interface;

a mobile phone support structure is arranged on the front surface or the top surface of the connecting middle shell;

and a wireless charging module is arranged in the connecting middle shell.

The utility model provides a desktop fan, when its chassis motor rotates, it drives planetary gear and rotates around the inboard profile of tooth of ring gear, thereby make the fan main part rotate about can, in order to sweep different angles, and rotate the steady reliable of process, owing to adopt planetary gear drive structure, through controlling chassis motor, can make the fan main part shake the head in the range of difference and rotate, for example, through switching the button, can control the fan main part at 30 degrees very conveniently, 60 degrees, 90 degrees, 120 degrees suitable within range reciprocating rotation such as degree, the user can freely switch the biggest angle of shaking the head as required, in order to adapt to few people, many people etc. different application scenes, satisfy user's different demands, user experience is good.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view illustrating a first view angle of a desktop fan according to an embodiment of the present invention;

fig. 2 is a schematic perspective assembly view of a desktop fan at a second viewing angle according to an embodiment of the present invention;

fig. 3 is a schematic perspective assembly view of a third viewing angle of a desktop fan according to an embodiment of the present invention;

fig. 4 is a schematic perspective exploded view of a first viewing angle of a desktop fan according to an embodiment of the present invention;

fig. 5 is a schematic perspective exploded view of a first viewing angle of a desktop fan according to an embodiment of the present invention;

fig. 6 is a front view of a desktop fan provided by an embodiment of the present invention;

fig. 7 is a top view of a desktop fan according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.

As shown in fig. 1 to 7, the embodiment of the present invention provides a desktop fan, including fan main body 1, fan main body 1 includes first fan body 11, second fan body 12 and connects mesochite 13, and interval setting about first fan body 11 and the second fan body 12, and the both ends of connecting mesochite 13 are respectively in a body coupling or fixed connection in first fan body 11 and second fan body 12, and the bottom of fan main body 1 is provided with chassis 8, is provided with between fan main body 1 and the chassis 8 to be used for driving fan main body 1 relative chassis 8 pivoted electric structure. The electric structure comprises a chassis motor 81 connected to the bottom of the middle connecting shell 13, a planetary gear 82 connected to the chassis motor 81 and an inner gear ring 83 connected to the chassis 8, wherein the planetary gear 82 is meshed with the inner gear ring 83, the inner gear ring 83 is arranged in the chassis 8, and when the chassis motor 81 rotates, the planetary gear 82 is driven to rotate around the tooth profile on the inner side of the inner gear ring 83, so that the fan body 1 can rotate left and right to sweep different angles, the rotating process is stable and reliable, the fan body 1 can swing in different amplitudes to rotate by controlling the chassis motor 81, for example, the fan body 1 can be conveniently controlled to rotate in a reciprocating mode within suitable ranges of 30 degrees, 60 degrees, 90 degrees, 120 degrees and the like through a switching key, and user experience is good.

Specifically, the chassis 8 is further provided with a gear sleeve 84, and the gear sleeve 84 is sleeved on the inner gear ring 83, so that the structural reliability is good.

Specifically, the chassis 8 is further connected with a chassis cover 85, a rotating shaft of the chassis motor 81 penetrates through the chassis cover 85, and the planetary gear 82 and the inner gear ring 83 can be located in a space formed by the chassis cover 85 and the chassis 8 in an enclosing mode, so that clamping stagnation of foreign matters is prevented, and reliability is high.

In particular, the chassis 8 may be further connected with a bracket 9, and the bracket 9 may be in a ring shape or an open ring shape to improve the stability of placement.

Specifically, the middle connecting shell 13 is provided with a control device 131 for controlling the desktop fan, and the control device 131 is located in the middle of the desktop fan and conforms to the operation and use habits of users. The first fan body 11 and the second fan body 12 are respectively provided with an air suction opening 101 and an air outlet 102, and the air outlet 102 can be located on the front surface of the fan main body 1. A first crossflow blower 4 is arranged in the first fan body 11, and the first crossflow blower 4 comprises a first impeller 41 with an axis arranged along the longitudinal direction, a first air deflector 411 arranged on one side of the first impeller 41, and a first motor part 412 connected to the first impeller 41 and used for driving the first impeller 41 to rotate; a second cross-flow fan 5 is arranged in the second fan body 12, and the second cross-flow fan 5 comprises a second impeller 51 with an axis arranged along the longitudinal direction, a second air deflector 511 arranged on one side of the second impeller 51, and a second motor part 512 connected to the second impeller 51 and used for driving the second impeller 51 to rotate; the connecting middle shell 13 is provided with a control device 131 for controlling the desktop fan; the embodiment of the utility model provides a pair of desktop fan, adopt the double-end structure, whole molding is abundant, first sector 11 and second sector 12 adopt independent motor and impeller respectively, first sector 11, second sector 12 can independent air-out respectively, desktop fan has two adjacent spaced air outlets 102, can drive middle zone's air current during the air-out and sweep to the user, and utilized cross-flow fan not have the turbulent flow, the air-out is even, axial length can set up to longer characteristics, user experience is good.

Specifically, the first sector 11 and the second sector 12 may be polygonal column-shaped or circular column-shaped and disposed longitudinally, in this embodiment, the first sector 11 and the second sector 12 may be rectangular tube-shaped, and the cross sections of the first sector 11 and the second sector 12 may be rectangular or square.

Specifically, the fan main body 1 can be U-shaped or H-shaped, in this embodiment, the fan main body 1 is U-shaped, and has an attractive appearance, two adjacent spaced air outlets 102 are provided, and when the fan main body is applied to a table, the air flow blown out from the air outlets 102 can uniformly blow the body of a user, so that the user experience is good.

Specifically, the height of the first fan body 11 is greater than that of the second fan body 12, the shape is rich, the position of the air outlet 102 can be staggered up and down, and the air outlet effect is good, in this embodiment, the first fan body 11 is located on the left side (with reference to the front side facing the desktop fan); alternatively, the height of the first fan body 11 may be equal to the height of the second fan body 12.

Specifically, a control module 132 is disposed in the middle connecting casing 13, the control device 131 is disposed on the top surface or the front surface of the middle connecting casing 13, and the control device 131 includes at least one of a button, a knob, a touch screen, and a gesture sensor, and may be used to control a gear, an air outlet mode, a timing switch, and the like of the desktop fan.

Specifically, the top surface of the middle case 13 may be a touch semi-transparent plate, the front surface of the middle case 13 may be a LOGO panel, and of course, a display screen may be disposed on the front surface or the top surface of the middle case 13, so as to display time, temperature, and the like. In this embodiment, an indicator light component is disposed below the key. A shading support can be arranged between the indicator light component and the key, and the shading support can be provided with a light guide hole.

Specifically, a circuit board holder 133 may be disposed in the connection middle case 13 for fixing electronic devices such as a circuit board.

Specifically, the opposite sides of the first fan body 11 and the second fan body 12 are inner sides, the other sides of the first fan body 11 and the second fan body 12 are outer sides, the air suction opening 101 is disposed at the outer sides of the first fan body 11 and the second fan body 12, the air outlet 102 is disposed at the front sides of the first fan body 11 and the second fan body 12, air can be sucked from the two sides of the desktop fan and blown out from the air outlet 102 at the front side, and the use effect is good.

Specifically, a first air guiding plate 411 is arranged in the first fan body 11, a second air guiding plate 511 is arranged in the second fan body 12, and air guiding channels are respectively formed by the first air guiding plate 411 and the inner wall of the first fan body 11, and the second air guiding plate 511 and the inner wall of the second fan body 12; one side of the first air guiding plate 411 is connected to the inner wall of the outer side of the first fan body 11, the other side of the first air guiding plate 411 is connected to the inner wall of the front side of the first fan body 11, and an arc-shaped air guiding wall is arranged between the two sides of the first air guiding plate 411; one side of the second air guiding plate 511 is connected to the inner wall of the outer side of the second fan body 12, the other side of the second air guiding plate 511 is connected to the inner wall of the front side of the second fan body 12, and an arc-shaped air guiding wall is arranged between the two sides of the second air guiding plate 511, so that the air outlet effect is further improved.

Specifically, the bottoms of the first air deflector 411 and the second air deflector 511 are both connected with a first motor bracket 61 and a second motor bracket 62, and the first motor bracket 61 and the second motor bracket 62 are involutory to form a mounting position for fixing a motor component.

Specifically, bearings and bearing covers are further disposed at two ends of the first air guiding plate 411 and the second air guiding plate 511.

Specifically, the fan main body 1 includes a main housing 14 and a back plate 15, the main housing and the back plate 15 are connected by a buckle or/and a locking member to form a first fan body 11, a second fan body 12 and a connecting middle housing 13, the first fan body 11, the second fan body 12 and the connecting middle housing 13 are communicated with each other, so as to facilitate layout of devices, control devices such as a circuit board can be disposed in the connecting middle housing 13, and can be connected with motors in the first fan body 11 and the second fan body 12 respectively through wires and the like.

Specifically, the main housing 14 is U-shaped (U-shaped groove), the main housing 14 is integrally formed, the back surface of the main housing is provided with an opening, and the back plate 15 is separately formed or integrally formed and can be flexibly arranged according to specific conditions. In this embodiment, the back plate 15 is divided into three parts: first back lid 151, second back lid 152, U-shaped back lid 153, first back lid 151, second back lid 152 connect respectively in the back of first sector 11 and second sector 12, U-shaped back lid 153 connects in the back of connecting mesochite 13 and is located first back lid 151, the below of second back lid 152. An insertion structure is provided between the lower end of the first rear cover 151, the lower end of the second rear cover 152, and the upper end of the U-shaped rear cover 153. The first rear cover 151, the second rear cover 152, and the U-shaped rear cover 153 may be coupled to the main housing 14 by a snap structure or/and screws.

Specifically, a first wind-shielding strip 16 is disposed between the air inlet 101 and the air outlet 102 inside the first fan body 11; inside the second fan body 12, a second wind blocking strip 17 is disposed between the wind suction opening 101 and the wind outlet 102 to avoid short circuit of the airflow.

Specifically, a fixed grid bar is arranged at the air outlet 102, and the first wind blocking bar 16 and the second wind blocking bar 17 are clamped at the grid bar for assembly; or, a swingable grid is arranged at the air outlet 102, so that the air guiding effect is better.

Specifically, a battery module (not shown in the figure) is arranged inside the fan main body 1, and the fan main body 1 is provided with a power supply interface; a battery pressing plate 7 for pressing the battery module is provided in the fan main body 1.

Specifically, at least one of a water tank, a humidifying device and an anion generator is arranged in the fan main body 1 to meet different use requirements of users.

Specifically, the suction opening 101 can be provided with a dust screen, so that the dust filtering effect is good.

Specifically, a USB output interface is disposed on the front surface or the top surface of the middle case 13, so as to charge products such as a mobile phone. In specific application, a wireless charging module can be optionally arranged in the middle connecting shell 13, so that the mobile phone can be wirelessly charged.

Specifically, a mobile phone support structure is arranged on the front surface or the top surface of the middle shell 13 so as to be convenient for placing a mobile phone.

The embodiment of the utility model provides a desktop fan, when its chassis motor 81 rotates, it drives planetary gear 82 and rotates around the inboard profile of tooth of ring gear 83, thereby make fan main part 1 can the rotation about, with the angle of sweeping the difference, and it is steady reliable to rotate the process, through controlling chassis motor 81, can make fan main part 1 shake the head in the range of difference and rotate, for example, through switching the button, can control fan main part 1 at 30 degrees very conveniently, 60 degrees, 90 degrees, suitable within range reciprocating rotation such as 120 degrees, the user can freely switch the angle of shaking the head as required, user experience is good.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A desktop fan is characterized by comprising a fan main body, wherein the fan main body comprises a first fan body, a second fan body and a connecting middle shell, the first fan body and the second fan body are arranged at left and right intervals, two ends of the connecting middle shell are respectively and integrally connected or fixedly connected with the first fan body and the second fan body, and the first fan body and the second fan body are respectively provided with an air suction port and an air outlet; a first cross flow fan is arranged in the first fan body, and a second cross flow fan is arranged in the second fan body;

a chassis is arranged at the bottom of the fan main body, and an electric structure for driving the fan main body to rotate relative to the chassis is arranged between the fan main body and the chassis; the electric structure comprises a chassis motor connected to the bottom of the middle connecting shell, a planetary gear connected to the chassis motor and an inner gear ring connected to the chassis, and the planetary gear is meshed with the inner gear ring.

2. The desk fan of claim 1, wherein the chassis is further coupled to a chassis cover, the chassis motor passing through the chassis cover.

3. The desktop fan as claimed in claim 1, wherein a gear sleeve is further disposed in the chassis, and the gear sleeve is sleeved on the inner gear ring.

4. A table top fan as claimed in claim 1, wherein a bracket is attached to the chassis, the bracket being in the form of a ring or an open ring.

5. A table top fan as claimed in any one of claims 1 to 4,

the first cross flow fan comprises a first impeller arranged along the longitudinal direction, a first air deflector arranged on one side of the first impeller and a first motor part connected with the first impeller and used for driving the first impeller to rotate; the second cross-flow fan comprises a second impeller arranged along the longitudinal direction, a second air deflector arranged on one side of the second impeller and a second motor part which is connected with the second impeller and is used for driving the second impeller to rotate;

6. A desktop fan as claimed in any one of claims 1 to 4 wherein the height of the first body is greater than the height of the second body; or the height of the first fan body is equal to that of the second fan body.

7. The desktop fan as claimed in claim 1, wherein the connection middle housing is provided with a control device for controlling the desktop fan, the control device is disposed on a top surface or a front surface of the connection middle housing, and the control device comprises at least one of a button, a knob, a touch screen, and a gesture sensor.

8. The desktop fan as claimed in claim 5, wherein the opposite side of the first fan body and the second fan body is an inner side, the other side of the first fan body and the second fan body is an outer side, the air inlet is disposed at the outer side of the first fan body and the second fan body, and the air outlet is disposed at the front side of the first fan body and the second fan body;

9. A desktop fan as claimed in any one of claims 1 to 4 wherein a battery module is provided inside the fan body, and the fan body is provided with a power supply interface; and a battery pressing plate used for pressing the battery module is arranged in the fan main body.

10. The table top fan as claimed in any one of claims 1 to 4, wherein at least one of a water tank, a humidifying device, and a negative ion generator is provided in the fan main body;

a dust screen is arranged at the air suction opening;

and a wireless charging module is arranged in the connecting middle shell.