CN216619968U

CN216619968U - High-efficient negative pressure hood for kitchen

Info

Publication number: CN216619968U
Application number: CN202123365721.7U
Authority: CN
Inventors: 巫澄宇; 赵挽云; 龚定
Original assignee: Jiangxi Tuoyu Industrial Co ltd
Current assignee: Jiangxi Tuoyu Industrial Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-27
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to a high-efficiency negative pressure hood for kitchens, which comprises a fixed frame, wherein a fan is arranged in the fixed frame, the side surface of the fixed frame is provided with an opening, the side surface of the fixed frame is provided with shutters, the bottom of the fixed frame is provided with a fixed seat, a connecting strip and a plurality of fixed blocks, the upper surface of the fixed seat is provided with a sealing groove, a sealing ring is arranged in the sealing groove, the bottom of the fixed frame is provided with two fixed strips, the upper surfaces of the fixed strips are provided with heating rods, an insect expelling lamp is arranged in the fixed frame, the outer side of the fixed frame is provided with an insect blocking net, the fixed frame can be conveniently fixed through the fixed seat, the connecting strip and the fixed blocks, the connecting strip and the fixed seat can be sealed through the sealing ring, snow and ice outside the fixed frame can be prevented from influencing ventilation through the heating rods, mosquitoes can be dispelled through the mosquito expelling lamp, avoiding mosquitoes from entering the kitchen.

Description

High-efficient negative pressure hood for kitchen

Technical Field

The utility model relates to the technical field of kitchen ventilation equipment, in particular to a kitchen efficient negative pressure hood.

Background

The blast cap is a device for indoor ventilation and air exchange, which is arranged at an exhaust port of a building to avoid the backflow of the outside, the negative pressure blast cap is one of blast caps, the negative pressure blast cap can discharge indoor air into outdoor atmosphere to form negative pressure in the room, outdoor air positive pressure can press the outside air into the room through doors and windows to finally form convection to continuously exchange the air in the room, smoke, steam and the like can be generated when a kitchen is used, and the temperature in the kitchen can be increased, so the negative pressure blast cap with high efficiency is needed to quickly exchange the air in the kitchen and provide a good environment, the application number CN201725757.X discloses a negative pressure blast cap with automatic speed regulation, the exhaust efficiency can be automatically regulated according to the exhaust load, the oil smoke and the foul air can be actively sucked out of a negative pressure room, more prominently, the oil smoke and the foul air can be naturally discharged through an air outlet in a traditional positive pressure mode, but the device is last not to have the structure of comdenstion water conservancy diversion, a large amount of oil smoke and steam of discharge in the kitchen, in cold weather, it can directly become the comdenstion water to meet the cold air, fall in meeting the kitchen, in addition, the hood is all installed in the open air, will have the insect to get into indoorly from the hood very easily, lead to kitchen health to go wrong, and current hood does not have the expelling parasite structure, in addition, current hood all utilizes the bolt fastening, for the leakproofness, article such as can utilize pitch are given thoroughly fixed with the bottom of hood, this can lead to in the maintenance, relatively troublesome when clearance and change the hood, and the bolt rusts easily in the open air, lead to the hood to dismantle hardly.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a high-efficiency negative pressure hood for a kitchen.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a high-efficiency negative pressure hood for kitchens comprises a fixing frame, wherein a fan is arranged inside the fixing frame, the side surface of the fixing frame is provided with an opening, the side surface of the fixing frame is provided with a louver, the bottom of the fixing frame is provided with a fixing seat, a connecting strip and a plurality of fixing blocks, the bottom end of the connecting strip fixing frame is connected, the bottom of the fixing seat is provided with a plurality of sliding grooves, one end of each sliding groove is provided with an opening, the fixing blocks are arranged in a U shape, one end of each fixing block is arranged in each sliding groove, the other end of each fixing block is arranged above the corresponding connecting strip and is in a wedge shape, the upper surface of each fixing seat is provided with a sealing groove, a sealing ring is arranged in each sealing groove, the top end of the fixing frame is provided with a top cover, the bottom of the fixing frame is provided with two fixing strips, the fixing strips are arranged in a crossed manner and fixedly connected with the fixing frame, the upper surfaces of the fixing strips are provided with heating rods, be provided with the expelling parasite lamp in the fixed frame, the bottom of expelling parasite lamp is provided with the fan cover, the fan cover sets up to the back taper, the fixed frame outside is provided with the fender worm net.

Preferably, the water conservancy diversion subassembly includes water conservancy diversion strip, two guide plates and drainage plate, the guide plate slope sets up, and bottom and fixed frame through pivot swing joint, and the top sets up the edge at fixed frame top, the drainage plate sets up the bottom at the guide plate, the drainage plate sets up to the U-shaped, and the slope sets up, water conservancy diversion strip top and tripe correspond the setting, the inboard bottom of fixed frame is provided with the water catch bowl, the outside of water catch bowl is the opening setting.

Preferably in the furtherly, be provided with the fixture block on the connecting strip, the connecting strip upper surface is provided with the draw-in groove, be provided with the spring in the draw-in groove, the inboard and the fixture block of fixed block correspond the setting, and both ends are provided with swing joint's connecting bolt, connecting bolt and connecting strip threaded connection. The fixing block can be fixed through the clamping block, so that the fixing block cannot easily fall off, and the connection between the connecting strip and the fixing seat is disconnected.

In a further preferred mode, two limiting blocks are arranged at one end of the opening of the sliding groove, and one end, arranged in the sliding groove, of the fixing block is T-shaped. The T-shaped end of the fixing block and the limiting block can prevent the fixing block from being separated from the sliding groove, so that the fixing block can be lost due to careless falling.

Preferably, a protection box is arranged below the fan, and the protection box and the wind-shielding cover are both in an inverted cone shape. The inverted cone-shaped protection box and the wind shield can prevent oil smoke from directly contacting the fan motor and the mosquito repelling lamp.

In a further preferred aspect, a protective net is provided between the fixing frame and the top cover. The protective net can prevent birds from entering the fixed frame to nest.

In a further preferred embodiment, the bottom of the top cover is provided with a baffle. The baffle can avoid the rainwater a large amount of entering in fixed frame.

(III) advantageous effects

Compared with the prior art, the utility model provides a high-efficiency negative pressure hood for a kitchen, which has the following beneficial effects:

according to the utility model, air in a kitchen is pumped away by the fan and discharged to the outside, a good air exhaust effect can be achieved, the connecting plate and the fixed plate are clamped by the wedge-shaped fixed blocks, the wedge-shaped end of the fixed block can push the connecting strip to move downwards, so that the sealing ring is deformed, the sealing effect is better, the fixed block can be taken down during disassembly, the fixed frame can be installed and disassembled very conveniently, mosquitoes can be kept away from the fixed frame by the mosquito repelling lamp, the mosquitoes are prevented from entering the kitchen, the sanitation inside the kitchen is prevented from occurring, the air can be heated by the heating rod, hot air is exhausted by the fan, snow and ice outside the fixed frame can be melted, and the influence on ventilation is avoided.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the overall structure of the present invention;

FIG. 3 is a schematic sectional view of the fixing base of the present invention;

FIG. 4 is a schematic cross-sectional view of a connecting strip according to the present invention;

FIG. 5 is a schematic structural view of a fixing block according to the present invention;

FIG. 6 is an enlarged view of a portion of A in FIG. 3;

fig. 7 is an enlarged view of a portion of B in fig. 4.

In the figure: 1. a fixing frame; 2. a fan; 3. louver blades; 4. a fixed seat; 5. a connecting strip; 6. a fixed block; 7. a chute; 8. a sealing groove; 9. a seal ring; 10. a top cover; 11. a fixing strip; 12. a heating rod; 13. a pest expelling lamp; 14. a wind shield; 15. an insect blocking net; 16. a flow guide strip; 17. a baffle; 18. a drainage plate; 19. a water collection tank; 20. a clamping block; 21. a card slot; 22. a spring; 23. a connecting bolt; 24. a limiting block; 25. a protection box; 26. a protective net; 27. and a baffle plate.

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. 1-7, a high-efficiency negative pressure hood for kitchen use comprises a fixed frame 1, a fan 2 is arranged inside the fixed frame 1, the side surface of the fixed frame 1 is provided with an opening, the side surface of the fixed frame 1 is provided with a louver 3, the bottom of the fixed frame 1 is provided with a fixed seat 4, a connecting strip 5 and a plurality of fixed blocks 6, the bottom ends of the fixed frames 1 of the connecting strip 5 are connected, the bottom of the fixed seat 4 is provided with a plurality of sliding grooves 7, one end of each sliding groove 7 is provided with the opening, each fixed block 6 is U-shaped, one end of each fixed block is arranged in each sliding groove 7, the other end of each fixed block is arranged above each connecting strip 5 and is wedge-shaped, the upper surface of each fixed seat 4 is provided with a sealing groove 8, a sealing ring 9 is arranged in each sealing groove 8, the top end of the fixed frame 1 is provided with a top cover 10, the bottom of the fixed frame 1 is provided with two fixed strips 11, the fixed strips 11 are arranged in a crossed manner and fixedly connected with the fixed frame 1, the upper surface of fixed strip 11 is provided with heating rod 12, is provided with expelling parasite lamp 13 in the fixed frame 1, and the bottom of expelling parasite lamp 13 is provided with wind-shield 14, and wind-shield 14 sets up to the back taper, and the fixed frame 1 outside is provided with fender worm net 15.

In this embodiment, the water conservancy diversion subassembly includes water conservancy diversion strip 16, two guide plates 17 and drainage plate 18, the slope of guide plate 17 sets up, and bottom and fixed frame 1 are through pivot swing joint, the top sets up the edge at fixed frame 1 top, drainage plate 18 sets up the bottom at guide plate 17, drainage plate 18 sets up to the U-shaped, and the slope sets up, 16 tops of water conservancy diversion strip and tripe 3 correspond the setting, the bottom of fixed frame 1 inboard is provided with water catch bowl 19, the outside of water catch bowl 19 is the opening setting. Guide plate 17 can overturn under the drive of great wind-force, and then makes the space open between guide plate 17 top and the overhead guard 10, makes the air can leave from the position that fixed frame 1 top does not have tripe 3, and this position does not have too many things that influence the wind speed, can not too influence ventilation efficiency, does not need to use at best when rainy day, advances rain easily.

In this embodiment, a clamping block 20 is arranged on the connecting strip 5, a clamping groove 21 is arranged on the upper surface of the connecting strip 5, a spring 22 is arranged in the clamping groove 21, the inner side of the fixing block 6 corresponds to the clamping block 20, connecting bolts 23 movably connected are arranged at two ends of the fixing block, and the connecting bolts 23 are in threaded connection with the connecting strip 5. The inboard of fixed block 6 is slotted, with the fixture block 20 card in the groove, can make fixed block 6 thoroughly fixed, makes fixed block 6 can not remove and then make fixed frame 1 can not with the 4 disconnected junctions of fixing base.

In this embodiment, two limiting blocks 24 are disposed at an open end of the sliding groove 7, and one end of the fixing block 6 disposed in the sliding groove 7 is T-shaped. The limiting block 24 and one T-shaped end of the fixing block 6 prevent the fixing block 6 from separating from the sliding groove 7.

In the present embodiment, a protection box 25 is disposed below the fan 2, and the top end of the protection box 25 is formed in an inverted cone shape. The protection box 25 is used to prevent the oil smoke from directly contacting the motor of the fan 2, which causes damage to the fan 2.

In the present embodiment, a protection net 26 is provided between the fixing frame 1 and the top cover 10. The protective screen 26 is intended to prevent birds from entering the frame 1 and nesting in the frame 1, which could result in the guide plate 17 being unusable

In this embodiment, the bottom of the top cover 10 is provided with a baffle 27. The baffles 27 may block part of the rain water so that rain water entering the fixed frame 1 from between the bottom of the top casing 10 and the deflector 17 is reduced.

Example 2:

referring to fig. 1-7, when in use, the fixing seat 4 is fixed at the air outlet through a bolt, the fixing block 6 is placed in the chute 7 before fixing, the fixing frame 1 is placed on the fixing seat 4, the connecting plate at the bottom of the fixing frame 1 is pressed on the sealing ring 9, the fixing block 6 is pushed, one edge of the fixing block 6 is contacted with the connecting plate, because the contact position of the fixing block 6 and the connecting plate is wedge-shaped and is an inclined surface, the connecting plate can be pushed, the connecting plate compresses the sealing ring 9, a good sealing effect is achieved, when the fixing block 6 is pushed, the fixing block 6 is contacted with the fixture block 20, the fixture block 20 is pressed downwards, the fixing block 6 and the fixture block 20 are correspondingly arranged, the fixing block 6 is provided with a groove, the fixture block 20 can be clamped, when the fixing block 6 cannot move, the fixture block 20 enters the groove under the action of the spring 22 to fix the fixing block 6, then the mosquito repelling lamp can be used, at ordinary times, the mosquito repelling lamp is connected with a power supply to emit light which is aversive to mosquitoes to keep away mosquitoes, the insect blocking net 15 can block some small animals such as geckos and insects with slightly larger heads, when the kitchen needs to exhaust, the fan 2 is connected with the power supply, the fan 2 which can adjust power is preferably used by the fan 2, the ventilation quantity can be freely controlled, the fan 2 rotates to continuously exhaust indoor air, when the rotating speed of the fan 2 is higher, the wind of the fan 2 can push the guide plate 17 to enable the guide plate 17 to turn upwards to leak out of the top of the fixed frame 1, so that the flow of the air can not be blocked by more and more smooth air flow, when the rotating speed of the fan 2 is lower, the guide plate 17 can block the top of the fixed frame 1, the wind passes through the guide strips 16 and the shutters 3, arrange to outdoors, in winter, indoor air is discharged to outdoors, vapor meets cold air and can become the drop of water, adhere to fixed frame 1, guide plate 17, tripe 3 and water conservancy diversion strip 16, later, the comdenstion water on tripe 3, guide plate 17 and fixed frame 1 can be along tripe 3, guide plate 17 or fixed frame 1, fall in water catch bowl 19, and flow out from the side opening part, when temperature is too cold, heating rod 12 circular telegram, then heat up, after fan 2 starts, by fan 2 exhaust outdoor air heating, high temperature air can melt the ice on the fixed frame 1.

Example 3:

referring to fig. 1-7, when the fixing frame 1 needs to be replaced or needs to be overhauled and cleaned, the fixture block 20 is pressed to enable the fixture block 20 to enter the clamping groove 21, the fixture block 20 compresses the spring 22, and then the fixing block 6 is pushed away from the connecting plate, when the weather is rainy, rainwater on the louver 3 on the fixing frame 1 is difficult to be directly blown into the frame by wind, meanwhile, the existence of the diversion strips 16 enables the rainwater to be blocked after passing through the louver 3 and then slide along the diversion strips 16, finally fall into the water collection tank 19 from the diversion strips 16 and be discharged from the opening on the side surface of the water collection tank 19, the top cover 10 on the top of the fixing frame 1 can block part of the rainwater, so that the rainwater cannot directly fall onto the diversion plates 17, but pass through the protective net 26 from the side surface of the fixing frame 1, and the rainwater directly fall onto the diversion plates 17 can pass through the gaps between the two diversion plates 17, fall on the U-shaped water conservancy diversion strip 16 of guide plate 17 below, flow the one side of fixed frame 1 along U-shaped water conservancy diversion strip 16, and fall on tripe 3, finally arrange outside fixed frame 1, perhaps fall in water catch bowl 19 along water conservancy diversion strip 16, when raining, preferably not open fan 2 with maximum power, avoid guide plate 17 to open the back, the rainwater gets into, in snowy weather gas, heating rod 12 starts, fan 2 can be blown the external world by the air of heating rod 12 heating, hot-blast snow meeting can make it melt, finally make fixed frame 1 do not have snow outward, avoid snow influence to ventilate.

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

1. The utility model provides a for kitchen use high-efficient negative pressure hood, includes fixed frame (1), the inside of fixed frame (1) is provided with fan (2), the side of fixed frame (1) is the opening setting, the side of fixed frame (1) is provided with tripe (3), its characterized in that: the bottom of the fixed frame (1) is provided with a fixed seat (4), a connecting strip (5) and a plurality of fixed blocks (6), the bottom of the fixed frame (1) of the connecting strip (5) is connected, the bottom of the fixed seat (4) is provided with a plurality of sliding grooves (7), one ends of the sliding grooves (7) are arranged in an opening manner, the fixed blocks (6) are arranged in a U shape, one ends of the fixed blocks are arranged in the sliding grooves (7), the other ends of the fixed blocks are arranged above the connecting strip (5) and are arranged in a wedge shape, the upper surface of the fixed seat (4) is provided with a sealing groove (8), a sealing ring (9) is arranged in the sealing groove (8), the top end of the fixed frame (1) is provided with a top cover (10), the bottom of the fixed frame (1) is provided with two fixed strips (11), the fixed strips (11) are arranged in a crossed manner and fixedly connected with the fixed frame (1), the upper surface of the fixed strips (11) is provided with a heating rod (12), be provided with expelling parasite lamp (13) and water conservancy diversion subassembly in fixed frame (1), the bottom of expelling parasite lamp (13) is provided with fan cover (14), the fixed frame (1) outside is provided with fender worm net (15).

2. The high-efficiency negative-pressure hood for kitchens as claimed in claim 1, wherein: the water conservancy diversion subassembly includes water conservancy diversion strip (16), two guide plates (17) and drainage plate (18), guide plate (17) slope sets up, and bottom and fixed frame (1) through pivot swing joint, the top sets up the edge at fixed frame (1) top, drainage plate (18) set up the bottom at guide plate (17), drainage plate (18) set up to the U-shaped, and the slope sets up, water conservancy diversion strip (16) top and tripe (3) correspond the setting, the inboard bottom of fixed frame (1) is provided with water catch bowl (19), the outside of water catch bowl (19) sets up for the opening.

3. The high-efficiency negative-pressure hood for kitchens as claimed in claim 1, wherein: be provided with fixture block (20) on connecting strip (5), connecting strip (5) upper surface is provided with draw-in groove (21), be provided with spring (22) in draw-in groove (21), the inboard and fixture block (20) of fixed block (6) correspond the setting, and both ends are provided with swing joint's connecting bolt (23), connecting bolt (23) and connecting strip (5) threaded connection.

4. The high-efficiency negative-pressure hood for kitchens as claimed in claim 1, wherein: the opening end of the sliding groove (7) is provided with two limiting blocks (24), and one end of the fixing block (6) arranged in the sliding groove (7) is T-shaped.

5. The high-efficiency negative-pressure hood for kitchens as claimed in claim 1, wherein: and a protection box (25) is arranged below the fan (2), and the top ends of the protection box (25) and the wind shield (14) are arranged to be inverted cones.

6. The high-efficiency negative-pressure hood for kitchens as claimed in claim 2, wherein: a protective net (26) is arranged between the fixed frame (1) and the top cover (10).

7. The high-efficiency negative-pressure hood for kitchens as claimed in claim 2, wherein: and a baffle (27) is arranged at the bottom of the top cover (10).