Telescopic hand dryer

Abstract

The utility model belongs to the technical field of hand dryers, and particularly relates to a telescopic hand dryer which comprises a shell, a containing groove is formed in the front end face of the shell, a telescopic hand drying mechanism is arranged in the containing groove in a sliding mode through a sliding groove, a rack is installed at the top of the telescopic hand drying mechanism, and a motor is installed at the top in the shell through an installation plate. The motor driving end drives the telescopic hand drying mechanism to horizontally move in the containing groove of the shell through a driving gear and a rack, a ventilation cavity is formed in the telescopic hand drying mechanism, an air outlet connected with the ventilation cavity is formed in the bottom of the front end of the telescopic hand drying mechanism, and a fan is installed on the inner top of the air outlet. The motor drives the telescopic hand drying mechanism to telescopically slide from inside to outside of the shell through the driving gear, slides out during use and telescopes back into the shell after use, dust accumulation at the air outlet is avoided, and storage is facilitated; the electric heater, the draught fan and the fan are started after induction of the infrared inductor, air flow in the ventilation cavity is heated, blowing of the air flow out is accelerated, the hands are dried, and efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of hand dryers, and in particular relates to a telescopic hand dryer. Background Art

[0002] Existing hand dryers are generally fixedly installed on walls and other places. Since fixedly installed hand dryers cannot be moved, they are less suitable for some occasions. Therefore, technicians in related fields have developed hand dryers that can be placed on countertops. However, since the hand dryers are placed on countertops, it is often necessary to provide air outlets on the hand dryers to protrude from the countertops.

[0003] The above-mentioned hand dryer has the following problems: since the air outlet is relatively protruding, it is inconvenient to store, and more packaging materials are required during packaging and transportation, and more transportation space is occupied; when the hand dryer is stored, the protruding air outlet is prone to accumulate dust, and the dust is difficult to clean. Utility Model Content

[0004] To solve the problems raised in the above background technology, the utility model provides a telescopic hand dryer, in which a motor drives a telescopic hand dryer mechanism to slide telescopically inside and outside the storage slot of a shell through a driving gear, slides out when in use, and retracts back into the shell after use, so as to avoid dust accumulation at the air outlet, thereby reducing the overall size of the hand dryer, facilitating storage and saving packaging materials.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a telescopic hand dryer, comprising a shell, a storage groove is provided on the front end surface of the shell, a telescopic hand drying mechanism is provided inside the storage groove through a sliding groove, a rack is installed on the top of the telescopic hand drying mechanism, a motor is installed on the top of the shell through a mounting plate, the motor driving end drives the telescopic hand drying mechanism to move horizontally in the storage groove of the shell through the driving gear and the rack, a ventilation cavity is provided inside the telescopic hand drying mechanism, an air outlet connected to the ventilation cavity is provided at the bottom of the front end of the telescopic hand drying mechanism, a fan is installed at the inner top of the air outlet, and a row of electric heating plates are provided on the rear side of the air outlet inside the ventilation cavity; an electric heater electrically connected to the electric heating plate is provided on the top of the telescopic hand drying mechanism, a fan is installed at the bottom of the shell, and the fan is connected to the ventilation cavity of the telescopic hand drying mechanism through an air duct.

[0006] As a preferred solution of the telescopic hand dryer of the utility model, a row of LED lighting lamps are provided at the bottom of the front end of the telescopic hand drying mechanism, an infrared sensor is also provided at the bottom of the front end of the telescopic hand drying mechanism, and a switch panel is provided below the front end surface of the shell.

[0007] As a preferred solution of the telescopic hand dryer of the utility model, slide blocks matched with the slide grooves are provided on both sides of the telescopic hand drying mechanism, and the telescopic hand drying mechanism is driven by a motor to extend and retract forward and backward on the housing via the slide blocks.

[0008] As a preferred solution of the telescopic hand dryer of the utility model, a maintenance back plate is provided on the back of the shell, and ventilation holes are provided at the upper and lower ends of the maintenance back plate.

[0009] As a preferred solution of the telescopic hand dryer of the utility model, the motor is a forward and reverse motor.

[0010] As a preferred solution of the telescopic hand dryer of the utility model, a power supply is arranged inside the shell, and a power cord plug connected to the power supply is arranged on the back of the shell.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The motor of the utility model drives the telescopic hand drying mechanism to slide telescopically inside and outside the storage slot of the shell through the driving gear, slides out when in use, and retracts back into the shell after use, so as to avoid dust accumulation at the air outlet, reduce the overall size of the hand dryer, facilitate storage and save packaging materials.

[0013] The utility model adopts an infrared sensor to start the electric heater, the blower and the fan at the same time after sensing. The electric heater heats the air in the ventilation cavity through the electric heating plate, and the blower blows the hot air in the ventilation cavity to the air outlet through the air duct, and cooperates with the internal fan to accelerate the hot air flow downward and blow it out quickly from the air outlet, so as to dry the hands and improve the efficiency of drying hands. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0015] Figure 1 This is a schematic diagram of the overall structure of a telescopic hand dryer of the utility model;

[0016] Figure 2 This is a schematic diagram of the connection structure between the telescopic hand drying mechanism and the motor in a telescopic hand dryer of the utility model;

[0017] Figure 3 for Figure 2 A schematic diagram of the front view structure of

[0018] Figure 4 for Figure 3 Schematic diagram of the cross-sectional structure of the isometric view of the middle AA surface;

[0019] Figure 5 for Figure 2 Schematic diagram of the structure in longitudinal section;

[0020] Figure 6 for Figure 2 Schematic diagram of the structure at an upward viewing angle;

[0021] Figure 7 The utility model is a schematic diagram of the overall longitudinal section structure of a telescopic hand dryer.

[0022] Description of Figure Numbers:

[0023] 1. Shell; 2. Telescopic hand drying mechanism; 3. Motor; 4. Fan; 11. Switch panel; 12. Hand-carrying slot; 13. Ventilation hole; 21. Slider; 22. Rack; 23. Electric heater; 24. Fan; 25. Air outlet; 26. LED lighting; 27. Infrared sensor; 28. Ventilation cavity; 29. ​​Electric heating plate; 31. Driving gear; 41. Air duct. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example 1

[0026] See also Figure 1-7The utility model provides the following technical solutions: a telescopic hand dryer, comprising a shell 1, a storage groove is provided on the front end surface of the shell 1, a telescopic hand drying mechanism 2 is provided inside the storage groove through a sliding groove, a rack 22 is installed on the top of the telescopic hand drying mechanism, a motor 3 is installed on the top of the shell 1 through a mounting plate, the driving end of the motor 3 drives the telescopic hand drying mechanism 2 to move horizontally in the storage groove of the shell 1 through a driving gear 31 and the rack 22, a ventilation cavity 28 is provided inside the telescopic hand drying mechanism 2, an air outlet 25 connected to the ventilation cavity 28 is provided at the bottom of the front end of the telescopic hand drying mechanism 2, a fan 24 is installed on the inner top of the air outlet 25, and a row of electric heating plates 29 are provided on the rear side of the air outlet 25 inside the ventilation cavity; an electric heater 23 electrically connected to the electric heating plate 29 is provided on the top of the telescopic hand drying mechanism 2, and a fan 4 is installed at the bottom of the shell 1. The fan 4 is connected to the ventilation cavity 28 of the telescopic hand drying mechanism 2 through the air duct 41; a row of LED lights 26 are provided at the bottom of the front end of the telescopic hand drying mechanism 2, and an infrared sensor 27 is also provided at the bottom of the front end of the telescopic hand drying mechanism 2, and a switch panel 11 is provided below the front end surface of the shell 1; in this embodiment, the user stretches his hand to the position directly below the air outlet 25, and the LED light 26 at the bottom of the front end of the telescopic hand drying mechanism 2 illuminates the hand, and at the same time, the infrared sensor 27 starts the electric heater 23, the fan 4 and the fan 24 at the same time after sensing, and the electric heater 23 heats and raises the temperature in the ventilation cavity 28 through the electric heating plate 29, and the fan 4 blows the hot air in the ventilation cavity 28 to the air outlet 25 through the air duct 41, and then cooperates with the internal fan 24 to accelerate the hot air flow vertically downward and blow it out quickly from the air outlet 25, so as to dry the hands, thereby improving the efficiency of hand drying.

[0027] In this embodiment, sliders 21 adapted to the slide grooves are provided on both sides of the telescopic hand drying mechanism 2. The telescopic hand drying mechanism 2 is driven by the motor 3 to extend and retract forward and backward on the outer shell 1 via the sliders 21. When in use, the motor 3 is started by the switch panel 11 to drive the telescopic hand drying mechanism 2 to slide horizontally out of the storage groove of the outer shell 1 via the driving gear 31 via the sliders 21. When not in use, the switch panel 11 is used to control the motor 3 to drive the telescopic hand drying mechanism 2 to extend back into the inner part of the outer shell 1, so as to avoid dust accumulation at the air outlet 25, thereby reducing the overall size of the hand dryer, facilitating storage and saving packaging materials.

[0028] In this embodiment, a maintenance back plate is provided on the back of the housing 1, and ventilation holes 13 are provided at the upper and lower ends of the maintenance back plate.

[0029] In this embodiment, the motor 3 is a forward and reverse motor.

[0030] In this embodiment, a power supply is disposed inside the housing 1 , and a power cord plug connected to the power supply is disposed on the back of the housing 1 .

[0031] In addition, handle grooves 12 are provided on both sides of the housing 1 .

[0032] Working principle and use process of the utility model: When the utility model is in use, the motor 3 is started through the switch panel 11 to drive the telescopic hand drying mechanism 2 to slide horizontally out of the storage groove of the shell 1 through the slider 21 through the driving gear 31, and the telescopic hand drying mechanism 2 is extended until the air outlet 25 is completely exposed and then stops. At this time, the user stretches his hand to the position directly below the air outlet 25, and the LED lighting lamp 26 at the bottom of the front end of the telescopic hand drying mechanism 2 illuminates the hand. At the same time, the infrared sensor 27 starts the electric heater 23, the blower 4 and the fan 24 at the same time after sensing. The electric heater 23 heats and heats the ventilation cavity 28 through the electric heating plate 29, and the blower 4 blows the hot air in the ventilation cavity 28 to the air outlet 25 through the air duct 41, and then cooperates with the internal fan 24 to accelerate the hot air flow vertically downward and blow it out quickly from the air outlet 25, so as to dry the hands and improve the efficiency of hand drying.

[0033] When not in use, the switch panel 11 controls the motor 3 to drive the retractable hand drying mechanism 2 to retract into the housing 1 to avoid dust accumulation at the air outlet 25, thereby reducing the overall size of the hand dryer, facilitating storage and saving packaging materials.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A telescopic hand dryer, comprising a housing (1), characterized in that: A storage groove is provided on the front end surface of the housing (1), a telescopic hand drying mechanism (2) is provided inside the storage groove for sliding movement through a slide groove, a rack (22) is installed on the top of the telescopic hand drying mechanism, a motor (3) is installed on the top of the housing (1) through a mounting plate, a driving end of the motor (3) drives the telescopic hand drying mechanism (2) to move horizontally in the storage groove of the housing (1) through a driving gear (31) and a rack (22), a ventilation cavity (28) is provided inside the telescopic hand drying mechanism (2), and a ventilation cavity (28) is provided inside the telescopic hand drying mechanism (2). An air outlet (25) connected to the ventilation cavity (28) is provided at the bottom of the front end, a fan (24) is installed at the inner top of the air outlet (25), and a row of electric heating plates (29) are provided inside the ventilation cavity at the rear side of the air outlet (25); an electric heater (23) electrically connected to the electric heating plates (29) is provided at the top of the telescopic hand drying mechanism (2), and a fan (4) is installed at the inner bottom of the housing (1); the fan (4) is connected to the ventilation cavity (28) of the telescopic hand drying mechanism (2) through an air duct (41).

2. The telescopic hand dryer according to claim 1, characterized in that: A row of LED lighting lamps (26) is provided at the bottom of the front end of the telescopic hand drying mechanism (2), an infrared sensor (27) is also provided at the bottom of the front end of the telescopic hand drying mechanism (2), and a switch panel (11) is provided below the front end surface of the housing (1).

3. The telescopic hand dryer according to claim 1, characterized in that: Slide blocks (21) adapted to the slide grooves are provided on both sides of the telescopic hand drying mechanism (2); the telescopic hand drying mechanism (2) is driven by a motor (3) to extend and retract forward and backward on the housing (1) via the slide blocks (21).

4. The telescopic hand dryer according to claim 1, characterized in that: The back of the housing (1) is provided with a maintenance back plate, and the upper and lower ends of the maintenance back plate are provided with ventilation holes (13).

5. The telescopic hand dryer according to claim 3, characterized in that: The motor (3) is a forward and reverse motor.

6. The telescopic hand dryer according to claim 1, characterized in that: A power source is provided inside the housing (1), and a power cord plug connected to the power source is provided on the back of the housing (1).

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