CN203770163U - A lighting ventilation fan - Google Patents

Abstract

The utility model discloses a lighting ventilation fan, comprising a shell, wherein an air outlet and an air inlet are respectively arranged at the upper and lower ends of the shell, a motor for driving fan blades to rotate is installed in the shell, the motor is electrically connected to a power line, upper and lower protective end covers are respectively installed at the air outlet and the air inlet, ventilation grids are arranged on the upper and lower protective end covers, a plurality of small lamp holders are installed on the inner side of the shell, small bulbs are installed on the small lamp holders, the lighting ventilation fan has a ventilation structure composed of a motor and fan blades, and a bulb for lighting is installed in the shell, has the functions of ventilation and lighting, does not need to be specially equipped with a lighting device when used indoors, and is more convenient to use.

Description

A lighting ventilation fan

technical field

The utility model relates to a household appliance, in particular to a ventilation fan.

Background technique

The ventilation fan is a type of air-conditioning appliance that is driven by a motor to rotate the fan blades to drive the airflow to exchange indoor and outdoor air. Ventilation fans are widely used in families and public places. The purpose of ventilation is to remove indoor dirty air and adjust temperature, humidity and sensory effects. The functions of the ventilating fans currently on the market are relatively single, and only have a ventilating function. When used indoors, a supporting lighting device is required, which is not convenient enough to use.

Contents of the invention

The technical problem to be solved by the utility model is to provide a lighting ventilation fan, which has the functions of ventilation and lighting, and is more convenient to use.

In order to solve the above-mentioned technical problems, a lighting ventilation fan of the utility model includes a housing, the upper and lower ends of the housing are respectively provided with an air outlet and an air inlet, and a motor for driving the fan blades is installed in the housing, and the motor and the power cord Electrically connected, the air outlet and the air inlet are respectively equipped with upper and lower protective end covers, the upper and lower protective end covers are provided with ventilation grids, and a number of small lamp holders are installed on the inside of the housing. Small light bulbs are installed.

As an improvement of the above technical solution, the lower protective end cover is provided with a lamp holder fixing frame, a large lamp holder is installed on the lamp holder, and a large light bulb is installed on the lamp holder.

As an improvement of the above-mentioned technical solution, the housing is formed by the first and second housings being nested together, and the inner side of the first housing is provided with a number of axially distributed card slots, and the sleeve of the second housing The connecting end is provided with an elastic hook corresponding to the slot.

As an improvement of the above technical solution, the power cord is a retractable threaded power cord, one end of the threaded power cord is fixed on the motor, and the other end is fixed on the upper protective end cover through a crimping code. The upper protective end cap is provided with a positioning post for connecting the crimping code.

As an improvement of the above technical solution, the motor is covered with a protective frame, the protective frame includes an outer positioning ring and an inner fixing ring, the motor is located in the fixing ring, and a number of connecting lugs are arranged on the outer side of the positioning ring , the connecting lug is connected and fixed to the housing by screws, and a plurality of partitions are arranged between the positioning ring and the fixing ring, and air ducts are formed between the partitions.

As an improvement of the above technical solution, a safety switch mechanism in contact with the lower protective end cover is installed at the air inlet. After the lower protective end cover is separated from the safety switch mechanism, the circuit of the lighting ventilation fan is disconnected.

A power switch and a function regulator are installed outside the housing. The air inlet is a trumpet-shaped opening. The function adjuster is a function adjuster with a sliding or twisting structure.

The beneficial effects of the utility model are: this lighting ventilation fan has a ventilation structure composed of a motor and fan blades, and at the same time, a light bulb for lighting is installed in the housing, which has the functions of ventilation and lighting. It is not necessary to be specially equipped with a lighting device, and it is more convenient to use.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.

Fig. 1 is one of structural representation of the utility model;

Fig. 2 is one of the exploded structural representations of the utility model;

Fig. 3 is the second schematic diagram of the decomposition structure of the utility model;

Figure 4 is an enlarged view of the structure at A in Figure 3;

Fig. 5 is the second structural diagram of the utility model.

Detailed ways

Referring to Fig. 1 to Fig. 3, a lighting ventilation fan of the present utility model includes a housing 1, the upper and lower ends of the housing 1 are respectively provided with an air outlet 2 and an air inlet 3, and a driving fan blade 4 is installed in the housing 1 Rotating motor 5, motor 5 is electrically connected with power line 6, described air outlet 2 and air inlet 3 are equipped with upper and lower protective end caps 7,8 respectively, and the upper and lower protective end caps 7,8 are provided with ventilation A grid, a number of small lamp holders 9 are installed inside the housing 1, and small bulbs 10 are installed on the small lamp holders 9. This lighting ventilation fan has a ventilation structure composed of a motor and fan blades, and a bulb for lighting is installed in the housing, which has the functions of ventilation and lighting. When used indoors, it does not need to be specially equipped with lighting devices. convenient.

Among them, the lower protective end cover 8 is provided with a lamp holder fixing frame 13, and the lamp holder fixing frame 13 is equipped with a large lamp holder 14, and a large light bulb 15 is installed on the head lamp holder 14. A power switch 26 and a function adjuster 27 are installed outside the housing 1 . On the power switch 26, there are high, low and closing gears. When the power switch was in the high position, the motor rotated to draw smoke, and the big bulb in the middle was bright, and the small bulbs around were also bright. Function regulator 27 can regulate the variation of motor speed and the brightness variation of all lamps; Function adjuster 27 can regulate motor speed variation and middle large bulb brightness variation, and the small bulb around all is not bright;

Referring to Fig. 4, the housing 1 is formed by nesting first and second housings 11 and 12, the inside of the first housing 11 is provided with a number of axially distributed card slots 16, and the second housing The socket end of the body 12 is provided with an elastic hook 17 corresponding to the slot 16, and the overall length of the housing can be set by cooperating the elastic hook 17 with the slot at different positions. According to the local demand for light in the process of use, the distance of the light can be adjusted to make the lighting effect meet the use requirements.

The power cord 6 is a retractable threaded power cord, one end of the threaded power cord is fixed on the motor, and the other end is fixed on the upper protective end cap 7 through a crimping code, and the upper protective end cap 7 is provided with a The positioning column 18 connected by the above-mentioned crimping code prevents the work of the power cord from falling and disturbing the motor.

The outer casing of the motor 5 is provided with a protective frame 19, and the protective frame 19 includes an outer positioning ring 20 and an inner fixed ring 21. The motor 5 is located in the fixed ring 21, so that the motor is well protected; the positioning ring The outer side of 20 is provided with a number of connecting lugs 22, and the connecting lugs 22 are connected and fixed with the housing by screws, so that the motor can be accurately positioned in the housing and easy to install; between the positioning ring 20 and the fixing ring 21, there is a A plurality of baffles 23, and air channels 24 are formed between the baffles 23.

A safety switch mechanism 25 in contact with the lower protective end cover 8 is installed at the 3 air inlets. After the lower protective end cover 8 is separated from the safety switch mechanism 25, the circuit of the lighting ventilation fan is disconnected, which is safer to use. The lower part of the fan blade 4 is provided with a screw cap 28 that locks the fan blade and the motor shaft, so that the fan blade can be removed for cleaning and is convenient for maintenance.

In addition, the air inlet 3 is a trumpet-shaped opening, which increases the suction and lighting area of the ventilation fan. There are automatic closing curtains installed at the 2 air outlets, which will close the air outlets when the ventilation fan stops to prevent dust from entering. Referring to Fig. 1 and Fig. 5, the function adjuster 27 is a function adjuster with a sliding or twisting structure, which is more convenient to operate.

The above descriptions are only the preferred implementation modes of the present utility model, as long as the technical solutions that achieve the purpose of the utility model by basically the same means all fall within the scope of protection of the utility model.

Claims (10)

1. an illumination ventilation fan, comprise housing (1), on housing (1), lower two ends are respectively arranged with exhaust outlet (2) and intake grill (3), the motor (5) that drives flabellum (4) to rotate is installed in housing (1), motor (5) is electrically connected with power line (6), it is characterized in that: described exhaust outlet (2) is separately installed with intake grill (3), lower protection end cap (7, 8), on this, lower protection end cap (7, 8) on, be provided with air grid, described housing (1) inner side is provided with some little lamp sockets (9), small bulb (10) is installed on little lamp socket (9).

2. illumination ventilation fan according to claim 1, it is characterized in that: on described lower protection end cap (8), be provided with lamp holder fixed holder (13), large lamp socket (14) is installed on this lamp holder fixed holder (13), on large lamp socket (14), big bulb (15) is installed.

3. illumination ventilation fan according to claim 1 and 2, it is characterized in that: described housing (1) is socketed to form mutually by first, second housing (11,12), described the first housing (11) inner side is provided with the draw-in groove (16) of some axial distribution, and the socket end of described the second housing (12) is provided with the elastic hook (17) with this draw-in groove (16) corresponding matching.

4. illumination ventilation fan according to claim 3, is characterized in that: described power line (6) is telescopic screw thread power line, and this screw thread power line one end is fixed on motor, and the other end is fixed on upper protection end cap (7) by line ball code.

5. illumination ventilation fan according to claim 4, is characterized in that: on described upper protection end cap (7), be provided with the locating column (18) connecting for described line ball code.

6. illumination ventilation fan according to claim 1, it is characterized in that: described motor (5) outer cover is equipped with bearer bar (19), this bearer bar (19) includes the positioning ring (20) in outside and the retainer ring (21) of inner side, described motor (5) is positioned at retainer ring (21), described positioning ring (20) arranged outside has some connection journal stirrups (22), described connection journal stirrup (22) is connected and fixed by screw and housing, between described positioning ring (20) and retainer ring (21), be provided with some dividing plates (23), between described dividing plate (23), form ventilation flue (24).

7. illumination ventilation fan according to claim 1, it is characterized in that: described intake grill (3) locates to be provided with the safety switching mechanism (25) contacting with lower protection end cap (8), instantly protect after end cap (8) and safety switching mechanism (25) disengaging illumination ventilation fan circuit breaker.

8. illumination ventilation fan according to claim 1, is characterized in that: described housing (1) outside is provided with power switch (26) and functional regulator (27).

9. illumination ventilation fan according to claim 1, is characterized in that: described intake grill (3) is horn-like opening.

10. illumination ventilation fan according to claim 8, is characterized in that: described functional regulator (27) is the functional regulator of slip or twisting structure.