CN213744078U - Cold and warm air fast switching mechanism, wind wheel device and cold and warm air blower - Google Patents
Cold and warm air fast switching mechanism, wind wheel device and cold and warm air blower Download PDFInfo
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- CN213744078U CN213744078U CN202022693866.9U CN202022693866U CN213744078U CN 213744078 U CN213744078 U CN 213744078U CN 202022693866 U CN202022693866 U CN 202022693866U CN 213744078 U CN213744078 U CN 213744078U
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Abstract
The utility model relates to a quick switching mechanism of cold-hot air, including casing and motor to and be equipped with the heat-generating body support of heat-generating body, be equipped with the pivot on the casing, the heat-generating body support revolutes the rotation of axes, is close to wind channel air outlet side at the heat-generating body support and is equipped with the wind channel deflector, couples through the guiding axle that sets up between wind channel deflector and heat-generating body support, and the wind channel deflector rotates around the guiding axle. When the heating body support rotates to the warm air state, the heating body support is located in the air outlet of the air duct and is in a first working state, and the air duct guide plate is attached to the inner wall of one side of the air outlet of the air duct. When the heating body support rotates to a cold air state, the heating body support is located beside the air outlet of the air duct and is in a second working state, and the air duct guide plate is attached to the inner wall of the other side of the air outlet of the air duct. The utility model discloses still disclose wind wheel device and cold and warm air blower who uses this cold and warm air quick switching mechanism. The utility model discloses the space occupies for a short time, and improves the warm braw effect to make the cold wind air-out farther.
Description
Technical Field
The utility model belongs to the technical field of household electrical appliances, in particular to quick switching mechanism of cold-hot air and wind wheel device and cold-hot air machine.
Background
In the prior art, in order to realize cold/hot air switching, a movable heating body is arranged in the cooling fan. The cold/hot air flow switching is achieved by driving the heating element to move horizontally by the moving device or by arranging the heating element in the air duct to rotate by the motor. The heater needs to have enough internal space regardless of the translation of the heater or the installation of the heater in the air duct, so that the blowing apparatus is bulky.
On the other hand, in the existing cooling and heating fan, a large gap exists between the heating body positioned in the air outlet channel and the inner wall of the air channel, so that air leakage is easy to occur, and the hot air effect is influenced. When the cold and warm air blower is in a cold air state, the length of the cold air duct is short, so that the air outlet distance is short.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a quick switching mechanism of cold-hot wind and wind wheel device and cold-hot air blower are provided, compact structure, the space occupies for a short time, and improves the warm air effect to make the cold wind air-out farther.
The utility model is realized in such a way, the utility model provides a quick switching mechanism of cold-hot air, including casing and the motor that sets up at the casing tip to and be equipped with the heat-generating body support of heat-generating body, be equipped with the pivot on the casing, motor drive heat-generating body support is around the reciprocal rotation of pivot, be equipped with the wind channel deflector near wind channel air outlet side at the heat-generating body support, through the guiding axle hookup that sets up between wind channel deflector and heat-generating body support, the wind channel deflector rotates around the guiding axle, still set up the torsional spring that adjusts the wind channel deflector rotation between wind channel deflector and heat-generating body support; when the heating body support rotates to a warm air state, the heating body support is positioned in an air outlet of the air duct and is in a first working state, the heating body heats air flowing through, warm air is blown out of the air outlet, and the air duct guide plate is attached to the inner wall of one side of the air outlet of the air duct; when the heating body support rotates to a cold air state, the heating body support is located beside the air outlet of the air duct and is in a second working state, the air outlet blows out cold air, and the air duct guide plate is attached to the inner wall of the other side of the air outlet of the air duct.
The utility model discloses a realize like this, still provide a wind wheel device, used as before on this wind wheel device cold and warm wind quick switching mechanism, the wind wheel device includes the casing and sets up the wind wheel in the casing set up wind channel air intake and wind channel air outlet on the casing, through the inside wind channel intercommunication that sets up between wind channel air intake and wind channel air outlet, the wind wheel sets up in inside wind channel, sets up the storage area outside the casing, and when the heat-generating body support was in second operating condition, the heat-generating body support was located this storage area.
The utility model discloses a realize like this, still provide a cold and warm air blower, including the shell, set up as before in the shell cold and warm air quick switching mechanism.
The utility model discloses a realize like this, still provide a cold and warm air blower, including the shell, set up as before in the shell the wind wheel device set up the back screen panel between shell and the wind channel air intake screen panel before setting up between shell and the wind channel air outlet.
Compared with the prior art, the utility model discloses a quick switching mechanism of cold-hot air and wind wheel device and cold-hot air machine have following characteristics:
1. the utility model discloses a heat-generating body and heat-generating body support mounting are outside the casing to installed the wind channel deflector additional on the heat-generating body support, both reduced the windage and prevented the air leakage, simultaneously, when being in the cold wind form, the wind channel deflector has prolonged the length of air-out way, makes the wholeness of air-out strengthened, what blow farther.
2. The utility model discloses a heat-generating body and heat-generating body support are with motor drive left and right sides rotation, and control accuracy is high.
Drawings
Fig. 1 is a three-dimensional schematic view of the state that the cold and hot air rapid switching mechanism of the present invention is assembled in the wind wheel device;
fig. 2 is a schematic perspective view of the rapid cooling and heating switching mechanism of the present invention in a heating state;
fig. 3 is a schematic perspective view of the rapid cooling and heating switching mechanism of the present invention in a cold wind state;
fig. 4 is a top view of the rapid cooling and heating switching mechanism and the wind wheel device of the present invention in a warm state;
fig. 5 is a top view of the quick switching mechanism for cold and warm air and the wind wheel device of the present invention in a cold wind state;
fig. 6 is a top view of the cooling and heating fan of the present invention in a warm air state;
fig. 7 is a top view of the cooling and heating fan of the present invention in a cool wind state.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 5, a preferred embodiment of the quick switching mechanism for cool and warm air of the present invention includes a housing 1, a motor 2 disposed at an end of the housing 1, and a heating element support 4 having a heating element 3.
A rotating shaft 5 is arranged on the shell 1, and the motor 2 drives the heating body support 4 to rotate around the rotating shaft 5 in a reciprocating mode. The motor 2 drives the heating body support 4 to rotate around the rotating shaft 5 in a reciprocating manner clockwise and counterclockwise as shown by solid arrows in fig. 4 and 5. An air duct guide plate 7 is arranged on the side of the heating body support 4 close to the air duct air outlet 6. The air duct guide plate 7 is connected with the heating body support 4 through a guide shaft 8, and the air duct guide plate 7 rotates around the guide shaft 8. A torsion spring (not shown in the figure) for adjusting the rotation of the air duct guide plate 7 is also arranged between the air duct guide plate 7 and the heating body bracket 4.
As shown in fig. 2 and 4, when the heating element support 4 rotates to the warm air state, the heating element support 4 is located in the air duct air outlet 6, covers the air duct air outlet 6, is in the first working state, heats the air flowing through by the heating element 3, blows out the warm air from the air outlet, and the air duct guide plate 7 is attached to the inner wall of one side of the air duct air outlet 6. The air flow is in the direction indicated by the hollow arrow in fig. 4.
As shown in fig. 3 and 5, when the heating element support 4 rotates to the cold air state, the heating element support 4 is located beside the air duct outlet 6, does not cover the air duct outlet 6, and is in the second working state, the heating element 3 does not heat the air flowing through, the air outlet blows out the cold air, and the air duct guide plate 7 is attached to the inner wall of the other side of the air duct outlet 6. The air flow is in the direction indicated by the hollow arrows in fig. 5.
The cross-sectional shape of the air duct guide plate 7 is consistent with the shape of the inner wall of the air outlet of the air duct, so that the air resistance is reduced, air leakage is prevented, and the length of the air outlet duct is prolonged, so that the integrity of air outlet is enhanced, and the air outlet duct is blown farther.
In the present embodiment, the heating element 3 is a heating element including a PTC heating element. The rotating shafts 5 are respectively arranged at the upper end part and the lower end part of the shell 1, and the heating body support 4 rotates outside the shell 1.
Referring to fig. 1 to 5, the present invention further discloses a wind wheel device B. The wind wheel device B uses the above-described quick cold/warm air switching mechanism a. The wind wheel device B comprises a shell 1 and a wind wheel 9 arranged in the shell 1. An air duct air inlet 10 and an air duct air outlet 6 are arranged on the shell 1, an internal air duct communication 11 is arranged between the air duct air inlet 10 and the air duct air outlet 6, and the wind wheel 9 is arranged in the internal air duct 11. A housing area 12 is provided outside the housing 1. When the heat-generating body holder 4 is in the second operation state, the heat-generating body holder 4 is located in the housing area 12. When the heating body support 4 is in the first working state, the heating body support 4 is positioned in the air outlet 6 of the air duct. The direction of the air flow through the wind wheel device B is as indicated by the hollow arrows in fig. 4 and 5.
Referring to fig. 6 to 7, the present invention further discloses a cooling and heating fan C, which includes a housing 13, and the housing 13 is provided with the aforementioned cooling and heating fan fast switching mechanism a.
Referring to fig. 6 to 7, the present invention further discloses a cooling and heating fan C, which includes a housing 13, a wind wheel device B as described above is disposed in the housing 13, a rear mesh enclosure 14 is disposed between the housing 13 and the air duct inlet 10, and a front mesh enclosure 15 is disposed between the housing 13 and the air duct outlet 6. Fig. 6 is a schematic view of the cooling and heating fan C in a warm air state, and fig. 7 is a schematic view of the cooling and heating fan C in a cold air state.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A quick cold and hot air switching mechanism is characterized by comprising a shell, a motor arranged at the end part of the shell and a heating body support provided with a heating body, wherein a rotating shaft is arranged on the shell, the motor drives the heating body support to rotate around the rotating shaft in a reciprocating manner, an air duct guide plate is arranged on the side, close to an air outlet of an air duct, of the heating body support, the air duct guide plate is connected with the heating body support through a guide shaft, the air duct guide plate rotates around the guide shaft, and a torsion spring for adjusting the rotation of the air duct guide plate is arranged between the air duct guide plate and the heating body support; when the heating body support rotates to a warm air state, the heating body support is positioned in an air outlet of the air duct and is in a first working state, the heating body heats air flowing through, warm air is blown out of the air outlet, and the air duct guide plate is attached to the inner wall of one side of the air outlet of the air duct; when the heating body support rotates to a cold air state, the heating body support is located beside the air outlet of the air duct and is in a second working state, the air outlet blows out cold air, and the air duct guide plate is attached to the inner wall of the other side of the air outlet of the air duct.
2. The rapid cool-warm air switching mechanism according to claim 1, wherein the cross-sectional shape of the air duct guide plate is matched with the shape of the inner wall of the air outlet of the air duct.
3. The quick cool and warm air switching mechanism according to claim 1, wherein the heater is a heater including a PTC heater assembly.
4. The quick cool and warm air switching mechanism according to claim 1, wherein the rotation shafts are respectively provided at upper and lower end portions of the case, and the heater supporter rotates outside the case.
5. A wind wheel device is characterized in that the wind wheel device is provided with the cold and warm air rapid switching mechanism according to any one of claims 1 to 4, the wind wheel device comprises a shell and a wind wheel arranged in the shell, an air duct air inlet and an air duct air outlet are arranged on the shell, the air duct air inlet and the air duct air outlet are communicated through an internal air duct, the wind wheel is arranged in the internal air duct, a containing area is arranged outside the shell, and when the heating element support is in a second working state, the heating element support is located in the containing area.
6. A cooling and heating fan characterized in that it comprises a housing, in which the cooling and heating fan fast switching mechanism according to any one of claims 1 to 4 is arranged.
7. A cold and warm air blower is characterized by comprising a shell, wherein the wind wheel device according to claim 5 is arranged in the shell, a rear mesh enclosure is arranged between the shell and an air inlet of an air duct, and a front mesh enclosure is arranged between the shell and the air outlet of the air duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022693866.9U CN213744078U (en) | 2020-11-20 | 2020-11-20 | Cold and warm air fast switching mechanism, wind wheel device and cold and warm air blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022693866.9U CN213744078U (en) | 2020-11-20 | 2020-11-20 | Cold and warm air fast switching mechanism, wind wheel device and cold and warm air blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213744078U true CN213744078U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022693866.9U Active CN213744078U (en) | 2020-11-20 | 2020-11-20 | Cold and warm air fast switching mechanism, wind wheel device and cold and warm air blower |
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| Country | Link |
|---|---|
| CN (1) | CN213744078U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883622A (en) * | 2021-10-11 | 2022-01-04 | 珠海格力电器股份有限公司 | Air duct assembly and cold and warm air supply device |
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2020
- 2020-11-20 CN CN202022693866.9U patent/CN213744078U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883622A (en) * | 2021-10-11 | 2022-01-04 | 珠海格力电器股份有限公司 | Air duct assembly and cold and warm air supply device |
| CN113883622B (en) * | 2021-10-11 | 2022-12-13 | 珠海格力电器股份有限公司 | Air duct assembly and cold and warm air supply device |
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