CN210663347U - Novel fan heater - Google Patents

Abstract

The utility model relates to the technical field of warm air blowers, in particular to a novel warm air blower, which comprises a warm air blower body, wherein the warm air blower body comprises an outer cover, an air outlet cover, an air inlet cover, a driving fan, a heating component and an air expanding cover, the outer end of the air expanding cover is matched and connected with the air outlet cover, the air expanding cover comprises an outer cover frame, an inner cover frame and an installation plug-in piece arranged on the outer cover frame, the outer cover frame and the inner cover frame are integrally formed and arranged, the outer ring of the outer cover frame is also provided with a limiting jack matched and plugged with the air outlet cover, the inner cover frame and the heating component are correspondingly arranged in the front and back direction, the installation plug-in piece is matched and connected with the outer cover, the utility model has compact and reasonable structural design, cold air is sent to the heating component after passing through the air inlet cover by starting the driving fan to rotate, then is heated by the heating, and then can effectively strengthen the air-out amount of wind of electric fan heater, improve electric fan heater's performance.

Description

Novel fan heater

Technical Field

The utility model relates to a fan heater technical field especially relates to a novel fan heater.

Background

When winter comes, the temperature suddenly drops, and in some places without heating, a warm air blower is generally used for heating, can provide warmth for people in cold winter, is a combined unit formed by combining a ventilator, a motor and an air heater, and is suitable for various spaces.

The general electric fan heater inhales the air through the fan, then flows through the heating element and heats and blows out, when the air is out through the air-out cover, often the air output will depend on the power size control amount of wind of adjusting driving motor, consequently often will adjust to just can have a little bit more than two shelves of amount of wind, easily causes the extravagant energy, has reduced electric fan heater's performance.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to shortcoming and weak point that electric fan heater exists among the prior art, provide a compact structure, the big, the strong electric fan heater of practicality of amount of wind.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

the utility model provides a novel fan heater, includes the fan heater body, the fan heater body includes the dustcoat, connects at the play fan housing of dustcoat front side, connects the air inlet cover in fan housing rear side, sets up at the drive fan of dustcoat inner chamber, the heating element who is connected with the drive fan cooperation and connect the fan housing that expands in the heating element outside, expand the fan housing outer end and be connected with a fan housing cooperation, expand the fan housing and include the dustcoat frame, to the inboard extension of dustcoat frame have inner cover frame and set up the installation plug-in components on the dustcoat frame, the dustcoat frame sets up with inner cover frame integrated into one piece, dustcoat frame outer lane still divides to be equipped with the injecture jack of pegging graft with a play fan housing cooperation, correspond the setting around inner cover frame and the heating element, the installation plug-in components.

Preferably, the method comprises the following steps: heating element includes the heating frame, all establishes the locating support plate on the heating frame inner chamber, sets up heat-generating body and symmetrical connection on the locating support plate side by side in the heating frame upper end and to the limited connecting portion that the rear side extends, the heating frame front side still is equipped with the air-out grid that contradicts the setting with the inner cover frame, the heating frame rear end is provided with the pressure boost board to the outside, it pegs graft with the dustcoat cooperation to inject connecting portion.

Preferably, the method comprises the following steps: the driving fan comprises a fan fixing frame, an air equalizing support connected to the fan fixing frame and a fan body connected to the inner wall of the fan fixing frame, and the fan body is connected with the outer end of the pressurizing plate in a matched mode.

Preferably, the method comprises the following steps: the air inlet cover comprises a fan cover body, a spiral air inlet grid arranged on the fan cover body and a mounting frame connected to the inner wall of the fan cover body, and the mounting frame is connected with the fan fixing frame in a matched mode.

Preferably, the method comprises the following steps: the outer cover is also provided with a control part which is electrically connected with the fan in a matching way.

Preferably, the method comprises the following steps: the outer cover is also provided with a handle.

The utility model discloses beneficial effect: the utility model has the advantages of compact and reasonable design, rotate through starting drive fan, send cold wind to heating element behind the air inlet cover, then pass through heating element's heating again, send hot-blast process fan cover to the play fan housing, and then can effectively strengthen the air-out amount of wind of electric fan heater, improve the performance of electric fan heater.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded schematic view of the present invention.

Fig. 3 is a schematic view of the structure of the air inlet cover of the present invention.

Fig. 4 is a schematic structural view of the driving fan of the present invention.

Fig. 5 is a schematic structural view of the fan fixing frame of the present invention.

Fig. 6 is a schematic diagram of the heating frame structure of the present invention.

Fig. 7 is a schematic view of the structure of the fan cover of the present invention.

Reference numerals: 1. a housing; 2. an air outlet cover; 3. an air inlet cover; 4. driving a fan; 5. a heat generating component; 6. an air expanding cover; 7. a control unit; 8. a handle; 30. a fan housing body; 31. a spiral air inlet grid; 32. installing a frame; 40. a fan fixing frame; 41. a wind-equalizing support; 42. a fan body; 50. a heat generating frame; 51. positioning the frame plate; 52. a heating element; 53. defining a connection; 54. an air outlet grid; 55. a pressure increasing plate; 60. an outer cover frame; 61. an inner cover frame; 62. installing a plug-in; 63. defining a receptacle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in fig. 1 to 7, a novel warm air blower comprises a warm air blower body 42, wherein the warm air blower body 42 comprises an outer cover 1, an air outlet cover 2 connected to the front side of the outer cover 1, an air inlet cover 3 connected to the rear side of the fan cover, a driving fan 4 arranged in an inner cavity of the outer cover 1, a heating component 5 connected with the driving fan 4 in a matching manner, and an air diffuser 6 connected to the outer side of the heating component 5, the outer end of the air diffuser 6 is connected with the air outlet cover 2 in a matching manner, the air diffuser 6 comprises an outer cover frame 60, an inner cover frame 61 extending towards the inner side of the outer cover frame 60, and an installation plug-in unit 62 arranged on the outer cover frame 60, the outer cover frame 60 and the inner cover frame 61 are integrally formed, the outer ring of the outer cover frame 60 is further provided with a limiting jack 63 connected with the air outlet cover 2 in a matching manner, the inner cover frame 61 and the heating component 5 are arranged in, the driving fan 4 enables cold air to enter the air expansion cover 6 through the heating component 5, and the area of the outer cover frame 60 is larger than that of the inner cover frame 61, so that after the hot air passes through the inner cover frame 61, the outer cover frame 60 can match with the air outlet cover 2 to exhaust air, the air outlet quantity of the hot air can be obviously improved, the aim of rapidly exhausting air by enhancing the operating power of the driving fan 4 is further avoided, and the power loss of the driving fan 4 is effectively reduced; rotate through starting drive fan 4, send to heating element 5 behind the air inlet cover 3 with cold wind, then pass through heating element 5's heating again, send out fan housing 2 through fan housing 6 with hot-blast process, and then can effectively strengthen the air-out amount of wind of electric fan heater, improve the performance of electric fan heater.

In this embodiment, the heating assembly 5 includes a heating frame 50, a positioning frame plate 51 disposed on an inner cavity of the heating frame 50, a heating element 52 disposed on the positioning frame plate 51 in parallel, and a limiting connection portion 53 symmetrically connected to an upper end of the heating frame 50 and extending toward a rear side, an air outlet grid 54 disposed in contact with the inner cover frame 61 is further disposed on a front side of the heating frame 50, a pressure increasing plate 55 is disposed on an outer side of a rear end of the heating frame 50, and the limiting connection portion 53 is inserted into the outer cover 1 in a matching manner; the heating element 52 can be a mica sheet, a heating wire or a PTC heating element, wherein the PTC heating element is preferably adopted in the heating frame 50, and the advantages of good heat conduction and heat dissipation performance, high efficiency, safety and reliability are utilized, the thermal resistance is small, the heat exchange efficiency is high, and in the aspect of safety performance, namely when the fan stops due to failure, the power of the PTC heating element can be automatically and rapidly reduced because the PTC heating element cannot fully dissipate heat, and the surface temperature of the PTC heating element is maintained at about the Curie temperature (generally about 250 ℃), so that the phenomenon of 'red' on the surface of a heater such as an electric heating pipe is avoided, and the safety performance of the fan heater is improved; because the closing-in of the pressurizing plate 55 at the outer side of the heating frame 50 is smaller than the opening of the heating frame 50, the wind pressure can be increased when cold wind enters the heating body 52, and then the pressurized hot wind is sent to the wind expansion cover 6 through the heating of the heating body 52 to increase the wind outlet quantity, so that the heating efficiency of the fan heater is improved; the arrangement of the air outlet grid 54 can uniformly blow out hot air, so that the heat efficiency is improved; the limiting connection part 53 improves the stability of the connection of the heating component 5 and the outer cover 1 by being inserted into the outer cover 1.

In this embodiment, drive fan 4 includes fan mount 40, connects equal wind support 41 on fan mount 40 and connects the fan body 42 on the inner wall of fan mount 40, fan body 42 is connected with the cooperation of 55 outer ends of pressure boost boards, it divides the inner chamber branch that the support divides fan mount 40 into four blocks of air inlet regions to equally divide on the fan mount 40, guarantees the homogeneity of air inlet when fan body 42 operates, the preferred 800W's of adoption alternating current motor of fan body 42 adopts the motor of low power just can realize efficient radiating efficiency, has effectively strengthened the practicality of electric fan heater.

In this embodiment, the intake cover 3 includes fan housing body 30, sets up spiral air inlet grid 31 on fan housing body 30 and connects the installing frame 32 at fan housing body 30 inner wall, installing frame 32 is connected with the cooperation of fan mount 40, spiral air inlet grid 31 can improve the air inlet pressure of intake when fan body 42 operates, matches the functioning speed of fan body 42, strengthens the amount of wind of air inlet in step, the setting of installing frame 32 not only conveniently is connected with fan mount 40, guarantees the compactness of electric fan heater inner structure, can leave certain distance moreover between fan body 42 and air inlet grid, improves the smoothness nature of air inlet.

In this embodiment, the outer cover 1 is further provided with a control part 7 electrically connected with the fan in a matching manner, and the control part 7 is used for controlling the opening and closing of the fan, the air volume, the opening and closing of the heating body 52 and the like, so that the warm air blower is convenient to use.

In this embodiment, still be equipped with handle 8 on dustcoat 1, the portable effect of electric fan heater is realized in setting up of handle 8, can remove to required position according to user's user demand, improves the practicality of electric fan heater.

The working principle of the utility model is as follows:

the fan body 42 is started, cold air enters the air inlet cover 3 and then is conveyed into the heating frame 50, the air pressure is increased through the pressurizing plate 55 when the cold air enters the heating body 52, the pressurized hot air is conveyed to the air expanding cover 6 to increase the air outlet quantity after passing through the heating body 52, and finally the hot air is conveyed to the air outlet cover 2 through the air expanding cover 6 to be exhausted, so that the air outlet quantity of the warm air blower is effectively enhanced, and the use performance of the warm air blower is improved.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims (6)

1. The utility model provides a novel warm air blower, includes the warm air blower body, its characterized in that: the electric fan heater body includes the dustcoat, connects the play fan housing in the dustcoat front side, connects the air inlet cover in fan housing rear side, sets up at the drive fan of dustcoat inner chamber, the heating element of being connected with the drive fan cooperation and connect the fan housing that expands in the heating element outside, expand the fan housing outer end and be connected with a fan housing cooperation, the fan housing that expands includes the dustcoat frame, to the inboard extension of dustcoat frame has inner cover frame and sets up the installation plug-in components on the dustcoat frame, the dustcoat frame sets up with inner cover frame integrated into one piece, dustcoat frame outer lane still divides to be equipped with the injecture jack of pegging graft with an play fan housing cooperation, the inner cover frame corresponds the setting around with the heating element, the installation plug-in components is connected with the.

2. The novel fan heater according to claim 1, characterized in that: heating element includes the heating frame, all establishes the locating support plate on the heating frame inner chamber, sets up heat-generating body and symmetrical connection on the locating support plate side by side in the heating frame upper end and to the limited connecting portion that the rear side extends, the heating frame front side still is equipped with the air-out grid that contradicts the setting with the inner cover frame, the heating frame rear end is provided with the pressure boost board to the outside, it pegs graft with the dustcoat cooperation to inject connecting portion.

3. The novel fan heater according to claim 2, characterized in that: the driving fan comprises a fan fixing frame, an air equalizing support connected to the fan fixing frame and a fan body connected to the inner wall of the fan fixing frame, and the fan body is connected with the outer end of the pressurizing plate in a matched mode.

4. A novel fan heater according to claim 3, characterized in that: the air inlet cover comprises a fan cover body, a spiral air inlet grid arranged on the fan cover body and a mounting frame connected to the inner wall of the fan cover body, and the mounting frame is connected with the fan fixing frame in a matched mode.

5. A novel fan heater according to claim 3, characterized in that: the outer cover is also provided with a control part which is electrically connected with the fan in a matching way.

6. The novel fan heater according to claim 1, characterized in that: the outer cover is also provided with a handle.

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