阅读说明：本技术 一种厨房用排风扇装置 (Exhaust fan device for kitchen ) 是由 邢承斌 于 2020-05-13 设计创作，主要内容包括：本发明公开了一种厨房用排风扇装置,包括外框架,外框架内设置有内框架,内框架内设置有双轴电机,双轴电机的其中一个输出轴上固设有风扇a,内框架内设有转轴,转轴的一端固设有风扇b,外框架的一侧设有防尘过滤网,外框架的另一侧设有若干挡叶,若干挡叶的一端均固设有转杆,外框架内固设有小型电机,本发明结构合理,若干挡叶闭合状态时能阻挡雨水、虫体进入到外框架内,通过若干转杆转动带动若干挡叶一起转动,使外框架与若干挡叶产生一定的角度,从而油烟吹送到外界,风扇a转动将内框架内的热量吹送至内框架外,因此不会使双轴电机过热,增加了双轴电机的使用寿命,防尘过滤网能减少大面积的灰尘进入到外框架内。(The invention discloses an exhaust fan device for kitchen, comprising an outer frame, wherein an inner frame is arranged in the outer frame, a double-shaft motor is arranged in the inner frame, a fan a is fixedly arranged on one output shaft of the double-shaft motor, a rotating shaft is arranged in the inner frame, a fan b is fixedly arranged at one end of the rotating shaft, a dustproof filter screen is arranged at one side of the outer frame, a plurality of baffle blades are arranged at the other side of the outer frame, rotating rods are fixedly arranged at one ends of the baffle blades, and a small-sized motor is fixedly arranged in the outer frame. The dustproof filter screen can reduce the dust of a large area from entering the outer frame.)

1. The utility model provides an exhaust fan device for kitchen, includes outer frame (1), its characterized in that, be provided with inner frame (2) in outer frame (1), be provided with double-shaft motor (3) in inner frame (2), fan a (4) have set firmly on one of them output shaft of double-shaft motor (3), transfer gear a (5) have set firmly on the other output shaft of double-shaft motor (3), a plurality of support frames (6) have set firmly of outer frame (1) internal symmetry, a plurality of annular frame (7) have set firmly between support frame (6), bearing (8) endotheca is equipped with to annular frame (7), wear to be equipped with pivot (9) in bearing (8), just pivot (9) and bearing (8) center fixed connection, the one end of pivot (9) has set firmly transfer gear b (10), the cover is equipped with conveyer belt (11) between transfer gear a (5) and transfer gear b (10), and the transmission wheel a (5) and the transmission wheel b (10) are matched through a transmission belt (11), the other end of the rotating shaft (9) is fixedly provided with a fan b (12), one side of the outer frame (1) is provided with a dustproof filter screen (13), the dustproof filter screen (13) is detachably connected with the outer frame (1), the other side of the outer frame (1) is provided with a plurality of blocking blades (14), one end of each blocking blade (14) is fixedly provided with a rotating rod (15), the rotating rods (15) are respectively hinged with the outer frame (1), one side of each rotating rod (15) is respectively penetrated with a gear a (16), the outer frame (1) is internally and fixedly provided with a small motor (17), the output shaft of the small motor (17) is fixedly provided with a gear b (18), and the gears a plurality of gears a (16) and a chain (19) on the gear b (18), and a plurality of gears a (16) and b (18) are meshed with the chain (19).

2. A kitchen ventilator unit in accordance with claim 1, characterized in that the inner side of said outer frame (1) is fixedly provided with a temperature sensor (20) and an infrared sensor (21), respectively, and said temperature sensor (20) and said infrared sensor (21) are electrically connected to said two-axis motor (3).

3. An exhaust fan device for kitchen use according to claim 2, characterized in that the outer edge of the dustproof filter screen (13) is fixedly provided with a fixed frame (22), the surface of the fixed frame (22) is symmetrically provided with a plurality of first threaded holes, one side of the outer frame (1) is symmetrically provided with a plurality of second threaded holes, a plurality of screws (23) are arranged in the first threaded holes in a penetrating manner, and one ends of the plurality of screws (23) are respectively positioned in the second threaded holes.

4. A kitchen ventilator unit as defined in claim 3, characterized in that a plurality of heat pipes (24) are fixed in said inner frame (2), and a heat conducting layer (25) is fixed on the outer side of said heat pipes (24).

5. A kitchen exhaust fan device according to claim 4, characterized in that the lower side of said dust-proof filter screen (13) is provided with a soot collection box (26), and said soot collection box (26) is connected with the outer frame (1) by means of a tenon structure.

6. A kitchen exhaust fan unit according to claim 5, characterized in that the inner wall of the outer frame (1) and the outer wall of the inner frame (2) are provided with oil-proof stickers.

7. An exhaust fan device for kitchen use according to claim 6, characterized in that a plurality of mounting blocks (27) are symmetrically and fixedly arranged on the outer surface of said outer frame (1), a plurality of mounting holes are formed on the surface of said mounting blocks (27), and a plurality of bolts (28) are inserted into said mounting holes.

Technical Field

The invention relates to the field of exhaust fans, in particular to an exhaust fan device for a kitchen.

Background

The exhaust fan is an air conditioning appliance, which drives the fan blades to rotate by the motor to drive airflow so as to exchange indoor air and outdoor air. Also known as a ventilating fan. The kitchen exhaust fan utilizes air convection to enable the interior of a room to be always in a negative pressure state, forms a suction force, continuously sucks outdoor air and discharges oil fume air in a kitchen, and therefore the effects of ventilation and cooling are achieved.

Present for kitchen use exhaust fan is when blowing off the oil smoke, because the motor is the snap-on with the fan mostly, oil smoke itself has certain heat, and this can make the motor overheated to influence the efficiency that the fan blown off the oil smoke, the fender leaf of traditional exhaust fan just can blow off the fender leaf when the fan removes the cigarette, when the external wind is great, keeps off the unable normal blow off of leaf, consequently also produces certain influence to the efficiency that the fan blown off the oil smoke. In view of the above problems, a solution is proposed as follows.

Disclosure of Invention

The invention aims to provide an exhaust fan device for a kitchen, which has the advantage of efficiently blowing off oil smoke.

The technical purpose of the invention is realized by the following technical scheme:

an exhaust fan device for kitchen use, includes the outer frame, be provided with the inner frame in the outer frame, be provided with double-shaft motor in the inner frame, fan a has set firmly on one of them output shaft of double-shaft motor, transfer gear a has set firmly on the other output shaft of double-shaft motor, a plurality of support frames have set firmly in the outer frame symmetry, and a plurality of annular frame has set firmly between the support frame, the annular frame endotheca is equipped with the bearing, wear to be equipped with the pivot in the bearing, just pivot and bearing center fixed connection, the one end of pivot has set firmly transfer gear b, the cover is equipped with the conveyer belt between transfer gear a and the transfer gear b, just transfer gear a and transfer gear b pass through the conveyer belt and cooperate, the other one end of pivot has set firmly fan b, one side of outer frame is equipped with dustproof filter screen, just dustproof filter screen can dismantle, the opposite side of outer frame is equipped with a plurality of fender leaf, and is a plurality of the one end of fender leaf all sets firmly the bull stick, and is a plurality of the bull stick is articulated with outer frame respectively, gear an is worn to be equipped with respectively in one side of bull stick, the outer frame sets firmly the micro-machine, gear b has set firmly on the output shaft of micro-machine, and is a plurality of the cover is equipped with the chain on gear an and the gear b, and is a plurality of gear an and gear b all mesh with the chain mutually.

By adopting the technical scheme, the double-shaft motor is started, the double-shaft motor can drive the transmission wheel a to rotate when rotating, then the transmission belt is driven to rotate, so as to drive the transmission wheel b to rotate, the plurality of brackets and the annular frame can play a role of fixed support for the bearing, so as to play a role of fixed support for the rotating shaft, the bearing can enable the rotating shaft to rotate more smoothly, the rotating shaft can drive the fan b to rotate, the initial positions of the plurality of baffle blades are in a closed state, so that one end in the outer frame is closed, rainwater and insect bodies can be blocked when the plurality of baffle blades are in the closed state, the small motor is started when the fan b rotates, the small motor can drive the gear b to rotate and then drive the chain to rotate, so as to drive the plurality of gears a to rotate, the plurality of rotating rods can be respectively driven to rotate after the plurality of gears a rotate, afterwards small-size motor stall, finally make outer frame and a plurality of fender leaf produce certain angle, along with fan b rotates constantly, the oil smoke can be blown to the external world through the angle that outer frame and a plurality of fender leaf produced constantly, when the double-shaft motor rotated, can drive fan a and rotate, thereby blow the heat in the inner frame outside to the inner frame, consequently can not make the double-shaft motor overheated, double-shaft motor's life has been increased, dustproof filter screen can reduce the dust of large tracts of land and enter into in the outer frame, thereby reduce the dust and exert an influence to fan b's operation.

Preferably, a temperature sensor and an infrared sensor are fixedly arranged on the inner side of the outer frame respectively, and both the temperature sensor and the infrared sensor are electrically connected with the double-shaft motor.

By adopting the technical scheme, when the temperature is higher, the temperature sensor can be induced by the double-shaft motor, so that the double-shaft motor starts to work, when the oil smoke is larger, the definition is lower, the infrared sensor can also be induced by the double-shaft motor, so that the double-shaft motor starts to work, and therefore the requirements on the temperature and the air freshness in a kitchen are met.

Preferably, the outer fringe of dustproof filter screen sets firmly fixed frame, the surperficial symmetry of fixed frame seted up a plurality of screw holes one, the one side symmetry of outer frame seted up a plurality of screw holes two, it is a plurality of all wear to be equipped with the screw in the screw hole one, and the one end of a plurality of screws is located a plurality of screw holes two respectively.

By adopting the technical scheme, a user screws a plurality of screws into the first threaded holes respectively, and continues to screw the screws, so that one ends of the screws are respectively positioned in the second threaded holes, and the dustproof filter screen is detached and installed.

Preferably, a plurality of radiating pipes are fixedly arranged in the inner frame, and heat conducting layers are fixedly arranged on the outer sides of the plurality of radiating pipes.

Adopt above-mentioned technical scheme, the heat that produces in the inner frame can be adsorbed in a plurality of heat conduction layers, transmits the radiating pipe afterwards in, and later fan a rotates, blows the heat in the radiating pipe outside the inner frame, consequently can not make double-shaft motor overheated, has increased double-shaft motor's life.

Preferably, the lower side of the dustproof filter screen is provided with an oil smoke collecting box, and the oil smoke collecting box is connected with the outer frame through a clamping tenon structure.

By adopting the technical scheme, when the exhaust fan is used for a long time, certain waste oil is generated in the oil smoke collecting box, a user only needs to take the oil smoke collecting box down from the outer frame, and the oil smoke collecting box is clamped into the outer frame through cleaning, so that the oil smoke collecting box can be used for multiple times.

Preferably, the oil-proof stickers are attached to the inner wall of the outer frame and the outer wall of the inner frame.

By adopting the technical scheme, the oil-proof sticker can effectively reduce the adhesion of oil stains on the inner wall of the outer frame and the outer wall of the inner frame.

Preferably, a plurality of mounting blocks are symmetrically and fixedly arranged on the outer surface of the outer frame, mounting holes are formed in the surfaces of the mounting blocks, and bolts penetrate through the mounting holes.

By adopting the technical scheme, a user penetrates a plurality of bolts into a plurality of mounting holes respectively, and a plurality of mounting blocks are fixed on the wall through a plurality of bolts respectively, so that the outer frame is mounted on the wall.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a first cross-sectional view of the embodiment;

FIG. 3 is a second cross-sectional view of the embodiment;

fig. 4 is a third cross-sectional view of the embodiment.

Reference numerals: 1. an outer frame; 2. an inner frame; 3. a double-shaft motor; 4. a fan a; 5. a conveying wheel a; 6. a support frame; 7. an annular frame; 8. a bearing; 9. a rotating shaft; 10. a transfer wheel b; 11. a conveyor belt; 12. a fan b; 13. a dustproof filter screen; 14. blocking the leaf; 15. a rotating rod; 16. a gear a; 17. a small-sized motor; 18. a gear b; 19. a chain; 20. a temperature sensor; 21. an outside line sensor; 22. a fixing frame; 23. a screw; 24. a radiating pipe; 25. a heat conductive layer; 26. an oil fume collecting box; 27. mounting blocks; 28. and (4) bolts.

Detailed Description

The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention.

As shown in fig. 1 to 4, an exhaust fan device for kitchen use, including outer frame 1, a plurality of installation blocks 27 have been set firmly to the symmetry on outer frame 1's the surface, the mounting hole has all been seted up on the surface of a plurality of installation blocks 27, the user takes outer frame 1 to the wall in kitchen, then the position of adjustment outer frame 1, make a plurality of installation blocks 27 aim at the installation position on the wall respectively, all wear to be equipped with bolt 28 in a plurality of mounting holes, later penetrate a plurality of bolts 28 in a plurality of mounting holes respectively, through a plurality of bolts 28, install outer frame 1 on the wall.

An inner frame 2 is arranged in the outer frame 1, a double-shaft motor 3 is arranged in the inner frame 2, a conveying wheel a5 is fixedly arranged on one output shaft of the double-shaft motor 3, and when the double-shaft motor 3 is started, the double-shaft motor 3 rotates to drive the conveying wheel a5 to rotate. The outer frame 1 is provided with a rotating shaft 9, one end of the rotating shaft 9 is fixedly provided with a transmission wheel b10, a transmission belt 11 is sleeved between the transmission wheel a5 and the transmission wheel b10, and when the transmission wheel a5 rotates, the transmission wheel a5 drives the transmission belt 11 to rotate, so that the transmission wheel b is driven to rotate. The inner symmetry of the outer frame 1 is fixedly provided with a plurality of support frames 6, an annular frame 7 is fixedly arranged between the support frames 6, a bearing 8 is arranged in the annular frame 7 in a sleeved mode, the rotating shaft 9 penetrates through and is fixed at the center of the bearing 8, the support frames and the annular frame 7 play a role in fixing and supporting the bearing 8, and therefore the rotating shaft 9 is fixedly supported, and the bearing 8 can enable the rotating shaft 9 to rotate more smoothly. The other end of the rotating shaft 9 is fixedly provided with a fan b12, the rotation of the rotating shaft 9 drives the fan b12 to rotate, and the rotation of the fan b12 sucks the oil smoke in the kitchen into the outer frame 1.

The other side of the outer frame 1 is provided with a plurality of baffle blades 14, one ends of the baffle blades 14 are fixedly provided with rotating rods 15, the rotating rods 15 are hinged with the outer frame 1 respectively, the initial positions of the baffle blades 14 are in a closed state, so that one end in the outer frame 1 is closed, and rainwater and insect bodies can be prevented from entering the outer frame 1 when the baffle blades 14 are in the closed state. Gears a16 are respectively arranged on one side of the rotating rods 15 in a penetrating manner, a small motor 17 is fixedly arranged in the outer frame 1, a gear b18 is fixedly arranged on an output shaft of the small motor 17, when the fan b12 rotates, the small motor 17 is started, the small motor 17 can drive the gear b18 to rotate when rotating, a plurality of gears a16 and a gear b18 are sleeved with chains 19, a plurality of gears a16 and a gear b18 are all meshed with the chains 19, the gears b18 can drive the chains 19 to rotate after rotating, so as to drive a plurality of gears a16 to rotate, after rotating, a plurality of gears a16 can respectively drive a plurality of rotating rods 15 to rotate, so as to drive a plurality of blocking blades 14 to rotate together, then the small motor 17 stops rotating, finally, the outer frame 1 and the blocking blades 14 generate a certain angle, and as the fan b12 rotates continuously, the oil smoke can be blown to the outside through the angle generated by the outer frame 1 and the blocking blades 14.

The temperature sensor 20 and the infrared sensor 21 are respectively and fixedly arranged on the inner side of the outer frame 1, the temperature sensor 20 and the infrared sensor 21 are both electrically connected with the double-shaft motor 3, the temperature sensor 20 can detect the temperature in the outer frame 1, and when the temperature is higher, the temperature sensor 20 can sense the double-shaft motor 3, so that the double-shaft motor 3 starts to work. The infrared sensor 21 can detect the definition in the kitchen, when the oil smoke is great, the definition is lower, and the infrared sensor can also be inducted with the double-shaft motor 3, so that the double-shaft motor 3 starts to work, and the requirements of the temperature in the kitchen and the air freshness are met.

The fan a4 has been set firmly on the other output shaft of biax motor 3, the internal frame 2 internal setting has a plurality of cooling tubes 24, the outside of a plurality of cooling tubes 24 all sets firmly heat-conducting layer 25, because the oil smoke has certain temperature, and biax motor 3 rotates for a long time and can produce certain heat, the heat that produces in the internal frame 2 can be adsorbed to in a plurality of heat-conducting layers 25, transmit in the cooling tube 24 afterwards, when biax motor 3 pivoted, can drive fan a4 and rotate, thereby blow the heat in cooling tube 24 outside internal frame 2, consequently, can not make biax motor 3 overheated, the life of biax motor 3 has been increased.

The dustproof filter screen 13 is arranged on one side of the outer frame 1, and the dustproof filter screen 13 can reduce large-area dust from entering the outer frame 1, so that the influence of the dust on the operation of the fan b12 is reduced. The downside of dustproof filter screen 13 is equipped with oil smoke collection box 26, and oil smoke collection box 26 passes through the tenon structural connection with outer frame 1, when using the exhaust fan for a long time, can accumulate certain oil stain on dustproof filter screen 13, later the oil stain can flow into in the oil smoke collection box 26 along dustproof filter screen 13, the user only need collect box 26 with the oil smoke and take off from outer frame 1, through wasing, collect box 26 card with the oil smoke again and go into outer frame 1 on, alright repetitious usage.

When the dustproof filter screen 13 is used for a long time, oil stains with good adhesion are inevitably caused on the surface of the dustproof filter screen 13, the fixing frame 22 is fixedly arranged at the outer edge of the dustproof filter screen 13, the surface of the fixing frame 22 is symmetrically provided with a plurality of first threaded holes, one side of the outer frame 1 is symmetrically provided with a plurality of second threaded holes, screws 23 are arranged in the first threaded holes in a penetrating mode, a user only needs to screw out the screws 23 respectively, the dustproof filter screen 13 can be cleaned, after the cleaning is completed, the fixing frame 22 is placed on the outer frame 1, the first threaded holes are aligned to the second threaded holes respectively, the screws 23 are screwed into the first threaded holes respectively, the screws 23 are continuously screwed, one ends of the screws 23 are located in the second threaded holes respectively, the fixing frame 22 is fixed on the outer frame 1, and finally the dustproof filter screen.

All paste on the inner wall of outer frame 1 and on the outer wall of inner frame 2 and be equipped with grease proofing sticker, grease proofing sticker has certain waterproof nature and oil proof nature, consequently can reduce effectively that oil stain glues on the inner wall of outer frame 1 and on the outer wall of inner frame 2, has guaranteed the pleasing to the eye degree of exhaust fan.