CN214426130U

CN214426130U - Cold and warm fan

Info

Publication number: CN214426130U
Application number: CN202120584039.8U
Authority: CN
Inventors: 陈西祥
Original assignee: Sichuan Changhong Mold & Plastic Technology Co ltd
Current assignee: Sichuan Changhong Mold & Plastic Technology Co ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-10-19
Anticipated expiration: 2031-03-22

Abstract

The utility model discloses a cooling and heating fan, including complete machine shell, fan subassembly and heating element, be equipped with air intake and air outlet on the complete machine shell, fan subassembly and heating element set up in the complete machine shell, the rotatable setting of heating element is in the complete machine shell. The utility model discloses an inner structure to the cooling and heating fan improves, with the rotatable setting of heating element in complete machine shell, makes heating element can follow air outlet department and put aside when cold and warm fan is in the cold wind state, can avoid heating element to block cold wind air-out, can effectively increase cold wind air output, improve the cooling effect of cooling and heating fan.

Description

Cold and warm fan

Technical Field

The utility model belongs to the technical field of household electrical appliances technique and specifically relates to a cooling and heating fan.

Background

The cooling and heating fan is a small household appliance product commonly used in many families, the heating element in the cooling and heating fan is close to the air outlet of the cooling and heating fan, and when the cold air function of the cooling and heating fan is started, the requirement of a user is hardly met due to the fact that the air resistance of the heating element is too large and the air outlet quantity of the cooling and heating fan is small, and the cold air effect is poor and the requirement of the user is hardly met.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: provides a cooling and heating fan capable of improving the cold air outlet effect.

For solving the technical problem the utility model discloses the technical scheme who adopts is: the cooling and heating fan comprises a complete machine shell, a fan assembly and a heating assembly, wherein the complete machine shell is provided with an air inlet and an air outlet, the fan assembly and the heating assembly are arranged in the complete machine shell, and the heating assembly is rotatably arranged in the complete machine shell.

Further, the method comprises the following steps: the end part of at least one end of the heating component is fixed with a rotating shaft, the rotating shaft is movably connected to the fan component, and the heating component can axially rotate around the rotating shaft.

Further, the method comprises the following steps: the two ends of the heating component are respectively connected with a rotating shaft, and the two rotating shafts are respectively movably connected to the two ends of the fan component.

Further, the method comprises the following steps: the heating device is characterized by further comprising a rotation driving mechanism, wherein the rotation driving mechanism is in transmission connection with the heating assembly, and the heating assembly can axially rotate around the rotating shaft under the driving of the rotation driving mechanism.

Further, the method comprises the following steps: the rotation driving mechanism comprises a stepping motor, a driving gear and a driven gear, the stepping motor is fixed on the fan assembly, the driving gear is fixedly connected with an output shaft of the stepping motor, the driven gear is fixed on the rotating shaft and is coaxially arranged with the rotating shaft, and the driving gear is in transmission engagement with the driven gear.

Further, the method comprises the following steps: still include linking bridge, linking bridge fixed connection is at heating element's tip, linking bridge and driven gear integrated into one piece.

Further, the method comprises the following steps: the fan assembly is characterized by further comprising a fixing support, the fixing support is fixed at the end portion of the fan assembly, the stepping motor is arranged in a suspension mode and fixed on the fixing support, and the driving gear is arranged between the stepping motor and the end portion of the fan assembly.

The utility model has the advantages that: the utility model discloses an inner structure to the cooling and heating fan improves, with the rotatable setting of heating element in complete machine shell, makes heating element can follow air outlet department and put aside when cold and warm fan is in the cold wind state, can avoid heating element to block cold wind air-out, can effectively increase cold wind air output, improve the cooling effect of cooling and heating fan.

Drawings

Fig. 1 is an isometric view of the present invention;

fig. 2 is an axonometric view of the assembled heating component and fan component of the present invention;

FIG. 3 is a side view of the present invention when the heating element is not rotated;

FIG. 4 is an isometric view of the present invention after the heating element has been rotated;

FIG. 5 is a schematic structural view of a transmission driving mechanism;

labeled as: 100-whole machine shell, 110-air inlet, 120-air outlet, 200-fan assembly, 300-heating assembly, 310-rotating shaft, 320-connecting bracket, 410-stepping motor, 420-driving gear, 430-driven gear and 440-fixing bracket.

Detailed Description

In order to facilitate understanding of the present invention, the following description is further provided with reference to the accompanying drawings.

As shown in fig. 1, the cooling and heating fan includes a casing 100, a fan assembly 200 and a heating assembly 300, the casing 100 is provided with an air inlet 110 for air inlet and an air outlet 120 for air outlet, the fan assembly 200 and the heating assembly 300 are disposed in the casing 100, the heating assembly 300 is located near the air outlet 120, and the fan assembly 200 with a wind wheel is located near the air inlet 110. When the cooling and heating fan is in the hot air function, the heating component 300 works to heat the air pumped in by the fan component 200, and the air with the increased temperature is discharged from the air outlet 120; when the cooling and heating fan is in the cooling function, the heating element 300 stops working, and the air is discharged from the air outlet 120. The utility model discloses in order to avoid heating element 300 to cause the influence to the cold wind air-out, with the rotatable setting of heating element 300 in complete machine shell 100, as shown in fig. 4, when needs cold and warm fan start-up cold wind function, heating element 300 in the steerable complete machine shell 100 rotates, make heating element 300 put aside from air outlet 120, the produced air current of fan subassembly 200 directly passes through air outlet 120 and discharges, do not have stopping of heating element 300 in the centre, can effectively improve the air output and the air-out effect of cold wind, improve user's use and experience.

As shown in fig. 1 to 5, the utility model discloses well heating element 300 passes through axis of rotation 310 rotatable coupling on fan subassembly 200, at an axis of rotation 310 of at least one end fixing of heating element 300, axis of rotation 310 swing joint is on fan subassembly 200, can realize the rotatable coupling of heating element 300 and fan subassembly 200, makes heating element 300 can revolute axis of rotation 310 axial rotation. In order to improve the stability of rotation, two rotating shafts 310 may be respectively disposed at two end portions of the heating element 300, and the two rotating shafts 310 are respectively movably connected to two ends of the fan assembly 200, so that two ends of the heating element 300 are rotatably connected to the fan assembly 200.

In order to realize the automatic rotation of heating element 300, the utility model discloses in still set up with heating element 300 complex rotation drive mechanism, rotation drive mechanism can adopt gear drive, worm gear drive etc. drive mechanism commonly used, the utility model discloses in chooseed for use the gear drive that transmission efficiency is higher, the manufacturing cost is lower. As shown in fig. 1 to 5, the rotation driving mechanism of the present invention includes a stepping motor 410, a driving gear 420 and a driven gear 430, wherein the stepping motor 410 is electrically connected to a control system of the cooling and heating fan and is installed on the fan assembly 200, as shown in fig. 2 and 5, the stepping motor 410 is installed on the fan assembly 200 through a fixing bracket 440, the fixing bracket 440 is fixed at an end of the fan assembly 200, and the stepping motor 410 is suspended and fixed on the fixing bracket 440; the driving gear 420 is connected with an output shaft of the stepping motor 410, the driven gear 430 is in transmission engagement with the driving gear 420, the rotating shaft 310 is fixedly connected with and coaxially arranged with the driven gear 430, and the driving gear 420 is arranged between the stepping motor 410 and the end of the fan assembly 200; in order to improve the stability of the transmission of the rotating shaft 310 and the driven gear 430 and the strength of the integral structure, the rotating shaft 310 and the driven gear 430 may be formed as an integral structure. As shown in fig. 4, when the cooling and warming fan starts the cooling function, the control system controls the step motor 410 to work, the step motor 410 drives the driving gear 420 to rotate, the driving gear 420 drives the driven gear 430 engaged with the driving gear to rotate, so as to drive the rotating shaft 310 to rotate, and finally the heating assembly 300 axially rotates around the rotating shaft 310, and rotates to the side wall of the air duct after moving away from the air outlet 120 of the whole casing 100, so as to reduce the wind resistance, so that the air circulation between the fan assembly 200 and the air outlet 120 is not obstructed, not only the air output of the cooling and warming fan is increased, but also the noise is reduced. As shown in fig. 3, when the cooling and heating fan starts the heating function, the control system controls the step motor 410 to work, the step motor 410 drives the driving gear 420 to rotate, so as to drive the rotating shaft 310 to rotate, so that the heating element 300 rotates and returns to the inside of the air duct from the side wall of the air duct, the heating element 300 works to generate heat, and the air circulating in the air duct takes away the heat emitted by the heating element 300 and then is discharged from the air outlet 120, so as to blow out the heating fan.

The utility model discloses in still having set up linking bridge 320 as the transition structure between axis of rotation 310 and the heating element 300, linking bridge 320 fixed connection is at the tip of heating element 300, linking bridge 320 and driven gear 430 integrated into one piece, reserves the required clearance of rotation for between heating element 300 and fan subassembly 200 through linking bridge 320, can improve the heating element 300 simultaneously and rotate joint strength and the transmission stability between the actuating mechanism.

Claims

1. Cold-warm fan, including complete machine shell (100), fan subassembly (200) and heating element (300), be equipped with air intake (110) and air outlet (120) on complete machine shell (100), fan subassembly (200) and heating element (300) set up in complete machine shell (100), its characterized in that: the heating component (300) is rotatably arranged in the whole machine shell (100).

2. The cooling-heating fan as claimed in claim 1, characterized in that: at least one end of the heating component (300) is fixed with a rotating shaft (310), the rotating shaft (310) is movably connected to the fan component (200), and the heating component (300) can axially rotate around the rotating shaft (310).

3. The cooling-heating fan as claimed in claim 2, characterized in that: the end parts of two ends of the heating component (300) are respectively connected with a rotating shaft (310), and the two rotating shafts (310) are respectively and movably connected to two ends of the fan component (200).

4. The cooling-heating fan according to claim 2 or 3, characterized in that: the heating device is characterized by further comprising a rotation driving mechanism, the rotation driving mechanism is in transmission connection with the heating component (300), and the heating component (300) can rotate around the rotation shaft (310) in the axial direction under the driving of the rotation driving mechanism.

5. The cooling-heating fan according to claim 4, characterized in that: the rotation driving mechanism comprises a stepping motor (410), a driving gear (420) and a driven gear (430), the stepping motor (410) is fixed on the fan assembly (200), the driving gear (420) is fixedly connected with an output shaft of the stepping motor (410), the driven gear (430) is fixed on the rotating shaft (310) and is coaxially arranged with the rotating shaft (310), and the driving gear (420) is in transmission engagement with the driven gear (430).

6. The cooling-heating fan according to claim 5, characterized in that: the heating component is characterized by further comprising a connecting support (320), wherein the connecting support (320) is fixedly connected to the end portion of the heating component (300), and the connecting support (320) and the driven gear (430) are integrally formed.

7. The cooling-heating fan according to claim 5, characterized in that: still include fixed bolster (440), fixed bolster (440) are fixed at the tip of fan subassembly (200), and step motor (410) unsettled setting is fixed on fixed bolster (440), and driving gear (420) set up between step motor (410) and the tip of fan subassembly (200).