CN216619969U - Multifunctional negative pressure hood for kitchen - Google Patents
Multifunctional negative pressure hood for kitchen Download PDFInfo
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- CN216619969U CN216619969U CN202123365785.7U CN202123365785U CN216619969U CN 216619969 U CN216619969 U CN 216619969U CN 202123365785 U CN202123365785 U CN 202123365785U CN 216619969 U CN216619969 U CN 216619969U
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- negative pressure
- exhaust pipe
- sleeve
- rod
- waterproof
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Abstract
The utility model relates to a multifunctional negative pressure hood for a kitchen, which comprises an exhaust pipe, wherein a negative pressure device, a waterproof device and a driving device are arranged on the exhaust pipe, the negative pressure device comprises a connecting rod, a bearing sleeve, a connecting shaft, a connecting sleeve and blades, the connecting rod is arranged in the exhaust pipe, two ends of the connecting rod are respectively connected with the exhaust pipe and the bearing sleeve, one end of the connecting shaft is rotatably connected with the bearing sleeve, the other end of the connecting shaft is connected with the connecting sleeve, and the blades are arranged outside the connecting sleeve and above the exhaust pipe; the waterproof device comprises an umbrella cover, a supporting rod, a waterproof cover and a drainage platform, wherein the two ends of the supporting rod are respectively connected with the top of the exhaust pipe and the inner side of the umbrella cover, the drainage platform is arranged outside the exhaust pipe, and the two ends of the waterproof cover are respectively connected with the drainage platform and the umbrella cover. According to the utility model, by arranging the negative pressure device, the blades can be blown to rotate by external natural wind, so that negative pressure is formed at the top of the exhaust pipe, and the speed of exhausting oil smoke is increased.
Description
Technical Field
The utility model relates to the technical field of kitchen emission, in particular to a multifunctional negative pressure hood for a kitchen.
Background
The hood is a facility which must be configured in the flue, the structural design of the hood plays a key role in guaranteeing the smoothness of the flue, and the hood is the basis for solving the problems of flue smoke mixing, odor mixing and the like.
Patent No. CN02251293.4 discloses an automatic pressure-changing type blast cap, in this patent, the blast cap cannot improve the exhaust efficiency by means of natural wind; in addition, although some hoods can improve the air exhaust efficiency by means of natural wind, when the natural wind speed is low, the air exhaust efficiency cannot be actively improved; meanwhile, some hoods have poor waterproof effect, and rainwater cannot be discharged when entering the exhaust pipe.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the problems in the prior art, the utility model provides a multifunctional negative pressure hood for a kitchen, which aims to solve the technical problems in the background art.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: a multifunctional negative pressure hood for kitchens comprises an exhaust pipe, wherein a negative pressure device, a waterproof device and a driving device are arranged on the exhaust pipe, the negative pressure device comprises a connecting rod, a bearing sleeve, a connecting shaft, a connecting sleeve and blades, the connecting rod is arranged in the exhaust pipe, two ends of the connecting rod are respectively connected with the exhaust pipe and the bearing sleeve, one end of the connecting shaft is rotatably connected with the bearing sleeve, the other end of the connecting shaft is connected with the connecting sleeve, and the blades are arranged outside the connecting sleeve and above the exhaust pipe; the waterproof device comprises an umbrella cover, a supporting rod, a waterproof cover and a drainage platform, wherein the two ends of the supporting rod are respectively connected with the top of the exhaust pipe and the inner side of the umbrella cover, the drainage platform is arranged outside the exhaust pipe, and the two ends of the waterproof cover are respectively connected with the drainage platform and the umbrella cover.
Preferably, drive arrangement includes electric putter, motor, removal seat and guiding mechanism, electric putter with the canopy is connected, and flexible end with remove the seat and connect, the motor sets up remove on the seat, the motor shaft runs through and removes the seat and rotationally connect with removing the seat. The driving device is designed, when the external natural wind speed is low, the electric push rod can drive the movable base to move downwards, so that the motor shaft is matched with the connecting sleeve, and the motor drives the blades to rotate.
In a further preferred embodiment, the guide mechanism comprises a guide rod and a guide sleeve, the guide sleeve is connected with the umbrella cover, one end of the guide rod is connected with the movable base, and the other end of the guide rod is slidably connected with the guide sleeve. The design of the guide mechanism can guide the electric push rod when the electric push rod drives the movable seat to move.
In a further preferred mode, the waterproof cover is provided with a plurality of air inlet holes. The design of the air inlet hole can enable external natural air to enter the exhaust pipe through the air inlet hole to drive the blades to rotate.
In a further preferred embodiment, the drain table is provided with a plurality of drain holes. The design of the drain hole can drain rainwater entering through the air inlet hole.
Preferably, the connecting sleeve is provided with a limiting hole matched with a motor shaft of the motor. The design of spacing hole can make motor shaft and adapter sleeve cooperation, and then drives the adapter sleeve through the motor and rotate.
Preferably, the supporting rods are provided with a plurality of supporting rods, and two ends of each supporting rod are respectively connected with the umbrella cover and the exhaust pipe. The design of a plurality of bracing pieces can improve the installation intensity of canopy.
In a further preferred aspect, a waterproof baffle is provided on the movable base. The design of waterproof baffle can prevent that the motor from intaking.
(III) advantageous effects
Compared with the prior art, the utility model provides a multifunctional negative pressure hood for kitchens, which has the following beneficial effects:
according to the utility model, by arranging the negative pressure device, the blades can be blown to rotate by external natural wind, so that negative pressure is formed at the top of the exhaust pipe, and the speed of exhausting oil smoke is increased; in addition, by arranging the waterproof device, rainwater can be prevented from entering the exhaust pipe and entering a room, external air can enter the exhaust pipe through the air inlet hole to drive the blades to rotate, and by arranging the waterproof baffle plate, water can be prevented from entering the motor; meanwhile, by arranging the driving device, when the external natural wind speed is low, the movable base can be driven by the electric push rod to move downwards, so that the motor shaft is matched with the connecting sleeve, and the blades are driven to rotate by the motor.
Drawings
FIG. 1 is a schematic view of an overall structure of a multifunctional kitchen negative pressure hood according to the present invention;
FIG. 2 is a schematic view of the present invention with the canopy and waterproof cover removed;
fig. 3 is a schematic structural diagram of the driving device of the present invention.
In the figure: 1. an exhaust duct; 2. a connecting rod; 3. a bearing housing; 4. a connecting shaft; 5. connecting sleeves; 6. a blade; 7. an umbrella cover; 8. a support bar; 9. a waterproof cover; 10. a drainage table; 11. an electric push rod; 12. a motor; 13. a movable seat; 14. a guide bar; 15. a guide sleeve; 16. an air inlet hole; 17. a drain hole; 18. a limiting hole; 19. waterproof baffle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1-3, a multifunctional negative pressure hood for kitchen use comprises an exhaust duct 1, a negative pressure device, a waterproof device and a driving device are arranged on the exhaust duct 1, the negative pressure device comprises a connecting rod 2, a bearing sleeve 3, a connecting shaft 4, a connecting sleeve 5 and blades 6, the connecting rod 2 is arranged in the exhaust duct 1, two ends of the connecting rod are respectively connected with the exhaust duct 1 and the bearing sleeve 3, one end of the connecting shaft 4 is rotatably connected with the bearing sleeve 3, the other end of the connecting shaft is connected with the connecting sleeve 5, and the blades 6 are arranged outside the connecting sleeve 5 and above the exhaust duct 1; the waterproof device comprises an umbrella cover 7, a supporting rod 8, a waterproof cover 9 and a drainage platform 10, the two ends of the supporting rod 8 are respectively connected with the top of the exhaust pipe 1 and the inner side of the umbrella cover 7, the drainage platform 10 is arranged outside the exhaust pipe 1, and the two ends of the waterproof cover 9 are respectively connected with the drainage platform 10 and the umbrella cover 7. The supporting rods 8 are provided with a plurality of supporting rods, and both ends of the supporting rods are respectively connected with the umbrella cover 7 and the exhaust pipe 1.
In this embodiment, the driving device comprises an electric push rod 11, a motor 12, a moving seat 13 and a guiding mechanism, the electric push rod 11 is connected with the umbrella cover 7, the telescopic end is connected with the moving seat 13, the motor 12 is arranged on the moving seat 13, and a motor shaft penetrates through the moving seat 13 and is rotatably connected with the moving seat 13. The guide mechanism comprises a guide rod 14 and a guide sleeve 15, the guide sleeve 15 is connected with the umbrella cover 7, one end of the guide rod 14 is connected with the movable seat 13, and the other end of the guide rod is slidably connected with the guide sleeve 15. The connecting sleeve 5 is provided with a limit hole 18 matched with a motor shaft of the motor 12. The movable seat 13 is provided with a waterproof baffle plate 19. When the external natural wind speed is low, the electric push rod 11 is started to drive the moving seat 13 to move downwards along the direction of the guide rod 14 until the motor shaft of the motor 12 is matched with the limiting hole 18, the motor 12 is started to drive the connecting sleeve 5 to rotate, and then the blade 6 is driven to rotate.
In this embodiment, the waterproof cover 9 is provided with a plurality of air inlet holes 16. When in use, external natural wind enters the exhaust duct 1 through the air inlet holes 16 to drive the blades 6 to rotate.
In this embodiment, the drain table 10 is provided with a plurality of drain holes 17. When in use, rainwater entering the waterproof cover 9 through the air inlet hole 16 is discharged through the water discharge hole 17.
Example 2:
in conclusion, when the air-conditioner is used, external natural air enters the waterproof cover 9 through the air inlet holes 16 to drive the blades 6 to rotate, so that negative pressure is formed at the top of the exhaust pipe 1, and the air in the exhaust pipe 1 is rapidly exhausted; in rainy and snowy weather, rainwater enters the waterproof cover 9 through the air inlet holes 16 and is discharged through the water discharge holes 17 on the drainage platform 10.
Example 3:
in conclusion, when the air conditioner is used, when the external natural wind is small, the electric push rod 11 is started to drive the moving seat 13 to move downwards along the direction of the guide rod 14 until the motor shaft of the motor 12 is matched with the limiting hole 18, the motor 12 is started to drive the connecting sleeve 5 to rotate, and then the blade 6 is driven to rotate, so that the exhaust speed of the air is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a multi-functional for kitchen use negative pressure hood, includes exhaust pipe (1), its characterized in that: the exhaust pipe (1) is provided with a negative pressure device, a waterproof device and a driving device, the negative pressure device comprises a connecting rod (2), a bearing sleeve (3), a connecting shaft (4), a connecting sleeve (5) and blades (6), the connecting rod (2) is arranged in the exhaust pipe (1), two ends of the connecting rod are respectively connected with the exhaust pipe (1) and the bearing sleeve (3), one end of the connecting shaft (4) is rotatably connected with the bearing sleeve (3), the other end of the connecting shaft is connected with the connecting sleeve (5), and the blades (6) are arranged outside the connecting sleeve (5) and above the exhaust pipe (1); the waterproof device comprises an umbrella cover (7), a support rod (8), a waterproof cover (9) and a drainage platform (10), wherein the two ends of the support rod (8) are respectively connected with the top of the exhaust pipe (1) and the inner side of the umbrella cover (7), the drainage platform (10) is arranged outside the exhaust pipe (1), and the two ends of the waterproof cover (9) are respectively connected with the drainage platform (10) and the umbrella cover (7).
2. The multifunctional negative pressure hood for kitchens as claimed in claim 1, wherein: drive arrangement includes electric putter (11), motor (12), removes seat (13) and guiding mechanism, electric putter (11) with canopy (7) are connected, and flexible end with remove seat (13) and connect, motor (12) set up remove on seat (13), the motor shaft runs through and removes seat (13) and rotationally connect with removal seat (13).
3. The multifunctional negative pressure hood for kitchens as claimed in claim 2, wherein: the guiding mechanism comprises a guiding rod (14) and a guiding sleeve (15), the guiding sleeve (15) is connected with the umbrella cover (7), one end of the guiding rod (14) is connected with the moving seat (13), and the other end of the guiding rod is slidably connected with the guiding sleeve (15).
4. The multifunctional negative pressure hood for kitchens as claimed in claim 1, wherein: the waterproof cover (9) is provided with a plurality of air inlet holes (16).
5. The multifunctional negative pressure hood for kitchens as claimed in claim 1, wherein: the drainage platform (10) is provided with a plurality of drainage holes (17).
6. The multifunctional negative pressure hood for kitchens as claimed in claim 2, wherein: and the connecting sleeve (5) is provided with a limiting hole (18) matched with a motor shaft of the motor (12).
7. The multifunctional negative pressure hood for kitchens as claimed in claim 1, wherein: the supporting rod (8) is provided with a plurality of supporting rods, and both ends of each supporting rod are respectively connected with the umbrella cover (7) and the exhaust pipe (1).
8. The multifunctional negative pressure hood for kitchens as claimed in claim 2, wherein: and a waterproof baffle (19) is arranged on the movable seat (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123365785.7U CN216619969U (en) | 2021-12-30 | 2021-12-30 | Multifunctional negative pressure hood for kitchen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123365785.7U CN216619969U (en) | 2021-12-30 | 2021-12-30 | Multifunctional negative pressure hood for kitchen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216619969U true CN216619969U (en) | 2022-05-27 |
Family
ID=81684723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123365785.7U Active CN216619969U (en) | 2021-12-30 | 2021-12-30 | Multifunctional negative pressure hood for kitchen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216619969U (en) |
-
2021
- 2021-12-30 CN CN202123365785.7U patent/CN216619969U/en active Active
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