A portable extractor hood for a cooking vessel
By designing a portable range hood with a pot lid shape and a three-layer filter structure, the problem of difficult-to-clean oil fume accumulation in fixed-installation range hoods is solved, enabling convenient oil fume cleaning and maintenance.
Patent Information
- Application Number
- CN202311163257.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-09-11
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2043-09-11
AI Technical Summary
Existing range hoods require fixed installation, and long-term use leads to the accumulation of grease and fumes that are difficult to clean, placing a cleaning burden on users.
Design a portable range hood in the shape of a pot lid, comprising a shell, an oil-blocking mesh cover, a filter assembly, and a fan assembly. It is placed directly on the pot to absorb oil fumes, which are condensed, filtered, and adsorbed through a three-layer filter (Teflon perforated mesh, stainless steel mesh, and activated carbon sponge). The fan assembly is driven by a magnetic fan blade and a built-in motor.
It enables convenient cleaning of cooking fumes, has a simple and compact structure, is easy to use in homes and outdoors, and is easy to clean and maintain, thus improving the convenience of cooking fume cleaning.
Smart Images

Figure CN117053258B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application belongs to the technical field of range hood, in particular to a portable range hood used for a pot. BACKGROUND
[0002] The range hood is a kind of kitchen appliance for purifying the kitchen environment. It is installed above the kitchen stove and can quickly remove the waste of the stove combustion and the oil fume generated during the cooking process which is harmful to human body, and discharge it outdoor, at the same time, it can condense and collect the oil fume, reduce pollution, purify air, and have the safety guarantee function of preventing poison and explosion.
[0003] Since the range hood is used to collect oil fume, it needs to be cleaned regularly. The oil fume is usually a large amount of volatile edible oil pyrolysis products and part of volatile products generated when edible oil is used to cook food at a high temperature above 220℃, mainly volatile grease, organic matter and their heating decomposition or cracking products. Simple cleaning cannot remove the oil stains, and the range hood must be cleaned with professional cleaning agent.
[0004] At present, people generally use range hoods to collect and process oil fume. For example, patent application 199720006349.7 discloses a computer intelligent range hood, which comprises a body composed of a shell, a fan and a keyboard. The shell is provided with a controller composed of a power circuit, a detection circuit, a sound response circuit, a display driving circuit, a controllable circuit and a microcomputer chip connected by wires. The power circuit outputs to the detection circuit, the sound response circuit, the display driving circuit and the microcomputer chip respectively. The microcomputer chip is connected by wires to the detection circuit, the sound response circuit, the display driving circuit, the controllable circuit and the keyboard respectively. For another example, patent application 201620382503.4 discloses an embedded folding range hood, which comprises a shell, a fan assembly located in the shell, and a smoke collecting cavity slidingly connected with the shell. The bottom of the shell is provided with an opening, and the smoke collecting cavity is at least partially arranged in the opening and connected with the shell through slide rails. The slide rails are at least two groups, and the two groups of slide rails are arranged on different sides of the smoke collecting cavity.
[0005] For another example, patent application 202110518693.3 discloses a smoke guide pipe and a range hood. The smoke guide pipe comprises a first pipe and a second pipe, and the first pipe and the second pipe are connected to form an outer pipe wall surface and an internal smoke guide channel. The outer pipe wall surface is provided with a first driving transmission mechanism capable of swinging the first pipe relative to the second pipe.
[0006] However, there are various styles and functions of range hoods, but the range hood needs to be fixed on the wall or the stove. Although this method is convenient for collecting oil fume, the long-term use of the range hood will cause excessive accumulation of oil fume, which causes difficulty in cleaning, and daily cleaning brings a certain burden to people.
[0007] For this reason, improvements are urgently needed. SUMMARY
[0008] Based on this, therefore, the primary object of the present application is to provide a portable range hood for a cooking vessel, which is designed in the shape of a lid for the cooking vessel, and which is placed on the cooking vessel during use to directly adsorb the oil fumes from the cooking vessel, while the structure of the lid facilitates the flushing and cleaning of the oil fumes, thereby improving the convenience of cleaning the oil fumes.
[0009] Another object of the present application is to provide a portable range hood for a cooking vessel, which not only has the functions of preventing oil splashing and filtering oil fumes, but also has a simple and compact structure, and is small, light and easy to clean and maintain.
[0010] To achieve the above objects, the technical solution of the present application is as follows:
[0011] A portable range hood for a cooking vessel, characterized in that it comprises a housing, an oil baffle, a filter assembly and a fan assembly, wherein the oil baffle is arranged at the lower part of the housing to cover the cooking range and filter the oil fumes; the filter assembly is located in the middle of the oil baffle and connected to the fan assembly, which adsorbs the oil fumes and filters them through the filter assembly, and the filtered gas is discharged from the air outlet.
[0012] The housing is divided into three parts from bottom to top, i.e. a filter assembly cover, a fan assembly cover and a handle part, the filter assembly cover is provided with the filter assembly inside, the fan assembly cover is provided with the fan assembly inside, and the handle part is provided with a control circuit and a power supply inside, and is convenient for people to hold and use.
[0013] An air outlet is arranged on the fan assembly cover to discharge the gas after condensation, filtration and adsorption.
[0014] The oil baffle is embedded in the filter assembly cover and extends outward to cover the cooking vessel.
[0015] Thus, the structure of the present application can be arranged on the cooking vessel by the oil baffle, and then the oil fumes generated during cooking can be sucked away by starting the fan assembly, and the sucked oil fumes can be condensed, filtered and adsorbed by the filter assembly to become gas without oil fumes, which is then discharged through the air outlet.
[0016] Further, the filter assembly is movably connected to the filter assembly cover to facilitate disassembly.
[0017] Further, the filter screen assembly is externally provided with a screw buckle, the outer wall of the screw buckle is provided with threads, the inner wall of the filter screen assembly cover is also provided with threads, the threads of the screw buckle and the threads of the filter screen assembly cover are matched with each other, the connection of the filter screen assembly and the filter screen assembly cover is realized, and the filter screen assembly can be conveniently disassembled for cleaning and maintenance.
[0018] Further, the filter screen assembly comprises three layers of filter screens of Teflon punched screens, stainless steel screens and activated carbon sponges, and through the three layers of filter screens, the condensation, filtration, adsorption and other effects on the oil fume are realized, so that the oil fume can be sufficiently purified.
[0019] Further, the fan assembly comprises a magnetic type blade which can be conveniently inserted, and a built-in motor, wherein 2-5 groups of corresponding magnets are arranged on the blade and the motor rotor, the magnets generate magnetic force, the rotation of the motor rotor is transmitted to the blade through the magnetic force, the blade is driven to rotate at high speed, negative pressure is generated on the side of the filter screen assembly, the oil fume is conveniently sucked, and the gas after the oil fume passes through the condensation, filtration, adsorption and other effects of the filter screen assembly is discharged from the air outlet.
[0020] Further, the oil blocking screen cover is made of a steel ring and a stainless steel screen, and is convenient for disassembly, replacement or cleaning.
[0021] Further, the oil blocking screen cover is made of a steel ring and a gas-impermeable screen cover supported by the steel ring, so that the oil fume can be adsorbed and treated without being exposed to the outside of the pot body.
[0022] Compared with the prior art, the technical effects of the present application are as follows:
[0023] The present application is designed in the shape of a pot cover, is placed on the pot body during use, is arranged on the pot body through the oil blocking screen cover, and then the fan assembly is started to suck away the oil fume generated during cooking, directly adsorbs the oil fume of the pot body, and the sucked oil fume is condensed, filtered and adsorbed through the filter screen assembly to become gas without oil fume, and then is discharged through the air outlet, so that a portable oil fume extractor for the pot body is formed, and people can conveniently use it.
[0024] The structure of the pot cover of the present application is convenient for flushing and cleaning the oil fume, and the cleaning convenience of the oil fume is improved. Meanwhile, the oil fume extractor not only has the effects of preventing oil splashing and filtering oil fume, but also has the advantages of simple and compact structure, small size, light weight, convenient cleaning and maintenance, and is especially suitable for household and outdoor use. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 is a structure schematic diagram of the present application.
[0026] Figure 2 is a structure sectional view of the present application.
[0027] Figure 3is the structural schematic diagram of the filter screen assembly implemented by the present application.
[0028] Figure 4 is the structural exploded view of the filter screen assembly implemented by the present application.
[0029] Figure 5 is the structural schematic diagram of the fan assembly implemented by the present application.
[0030] Figure 6 is the structural schematic diagram of the oil baffle cover implemented by the present application.
[0031] Figure 7 is the side view of the present application.
[0032] Figure 8 is the side view of another embodiment of the present application.
[0033] In the figure, 1 is the shell, 2 is the oil baffle cover, 3 is the filter screen assembly, 4 is the fan assembly, 5 is the control circuit board, 6 is the battery, 7 is the embedding groove, 8 is the air outlet, 11 is the filter screen assembly cover, 12 is the fan assembly cover, 13 is the handle part, 21 is the steel ring, 22 is the stainless steel screen, 23 is the buckling edge, 31 is the screw buckle, 32 is the Teflon punched screen, 33 is the stainless steel screen, 34 is the activated carbon sponge, 311 is the screw thread of the screw buckle; 111 is the gas inlet, 112 is the cover screw thread, 41 is the fan blade, 42 is the fan blade magnet, 43 is the built-in motor, 44 is the rotor, and 45 is the rotor magnet. DETAILED DESCRIPTION
[0034] In order to make the purpose, technical scheme and advantages of the present application more clear and explicit, the present application is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and do not limit the present application.
[0035] Figures 1-7 As shown, the portable range hood for a pot body implemented by the present application includes a shell 1, an oil baffle cover 2, a filter screen assembly 3 and a fan assembly 4. Among them, the oil baffle cover 2 is arranged at the lower part of the shell 1 to cover the stove for filtering oil fume; the filter screen assembly 3 is located in the middle of the oil baffle cover 2 and is connected with the fan assembly 4, which adsorbs oil fume through the fan assembly 4, filters through the filter screen assembly 3, and discharges the filtered gas from the air outlet 8.
[0036] Specifically, the shell 1 is divided into three parts from bottom to top, i.e. the filter screen assembly cover 11, the fan assembly cover 12 and the handle part 13. The filter screen assembly 3 is arranged in the filter screen assembly cover 11, the fan assembly 4 is arranged in the fan assembly cover 12, and the control circuit board 5 and the power supply 6 are arranged in the handle part 13, which is convenient for people to hold and use;
[0037] The power supply 6 provides power for the fan assembly 4 and the control circuit board 5, and the control circuit board 5 controls the opening and closing and operation of the fan assembly 4.
[0038] The air outlet 8 is arranged on the fan assembly cover 12, so that the gas after condensation, filtration, adsorption and other effects is discharged from the air outlet.
[0039] The oil blocking net cover is embedded in the filter screen assembly cover and extends outward to cover the pot. Specifically, the lower part of the filter screen assembly cover 11 has an embedding groove 7 for embedding the oil blocking net cover 2.
[0040] As shown in Figure 3 , 4 As shown in the figure, the connection relationship between the filter screen assembly 3 and the filter screen assembly cover 11 is as shown. First, the filter screen assembly 3 is movably connected to the filter screen assembly cover 11, so that the filter screen assembly can be easily disassembled and cleaned.
[0041] Specifically, the filter screen assembly 3 includes three layers of filter screens, namely, a Teflon punched screen 32, a stainless steel screen 33 and an activated carbon sponge 33. The Teflon punched screen 32, the stainless steel screen 33 and the activated carbon sponge 33 are arranged in sequence from the outside to the inside. The oil fume is first condensed and preliminarily filtered through the Teflon punched screen 32 and the stainless steel screen 33, and then adsorbed through the activated carbon sponge 33. In this way, through the three layers of filter screens, the condensation, filtration and adsorption of the oil fume are completed, so that the oil fume can be fully purified. A screw knob 31 is arranged outside the filter screen assembly 3, and the Teflon punched screen 32, the stainless steel screen 33 and the activated carbon sponge 33 are covered inside the screw knob 31. The outer wall of the screw knob 31 has a screw thread 311, and the inner wall of the filter screen assembly cover also has a screw thread. The screw thread of the screw knob cooperates with the screw thread of the filter screen assembly cover to realize the connection between the filter screen assembly and the filter screen assembly cover, and also facilitates the disassembly of the filter screen assembly for cleaning and maintenance.
[0042] As for the fan assembly 4, the fan assembly 4 includes a magnetic type fan blade 41 which can be easily inserted and an internal motor 43. Three groups of corresponding magnets are arranged on the fan blade 41 and the rotor 44 of the internal motor 43. The magnets generate magnetic force. The fan blade magnet 42 of the fan blade 41 and the rotor magnet 45 on the rotor 44 transmit the rotation of the motor rotor 44 to the fan blade 41 through magnetic force, drive the fan blade 41 to rotate at high speed, generate negative pressure on one side of the filter screen assembly 3, and facilitate the suction of oil fume. The gas after the condensation, filtration and adsorption of the oil fume through the filter screen assembly is discharged from the air outlet.
[0043] As shown in Figure 6 The oil blocking net cover 2 is usually made of a steel ring 21 and a stainless steel screen 22. The steel ring 21 is in the shape of a circular ring and supports the stainless steel screen 22, facilitating the disassembly, replacement or cleaning of the oil blocking net cover 2.
[0044] Combination Figure 8 As shown in the figure, it is another implementation of the oil screen cover 2, in which the oil screen cover 2 is made of a steel ring 21 and a steel ring supported air-tight screen 22, and has a downwardly bent flange 23 at the edge, facilitating the adsorption of oil fume and preventing the oil fume from being exposed outside the pot body.
[0045] In summary, the present application is designed in the shape of a pot cover, which is placed on the pot body in use, and the oil fume generated during cooking is directly adsorbed by the oil screen cover, and then is filtered, condensed and adsorbed by the filter screen assembly, and is discharged through the air outlet after being filtered, so as to facilitate the use of people.
[0046] Meanwhile, the present application can only disassemble the filter screen assembly, so as to facilitate the cleaning of the oil fume, and the cleaning is simple and fast, and the cleaning convenience of the oil fume is improved.
[0047] The present application has the advantages of simple and compact structure, small size, light weight, convenient cleaning and maintenance, and is especially suitable for household and outdoor use.
[0048] The above description is only the preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A portable extractor hood for a cooking vessel, characterised in that The oil filter comprises a casing, an oil screen cover, a filter screen assembly and a fan assembly, the oil screen cover is arranged at the lower part of the casing and covers the cooking range to filter oil fume, the filter screen assembly is located in the middle of the oil screen cover and is connected with the fan assembly, the oil fume is adsorbed by the fan assembly and filtered by the filter screen assembly, and the filtered gas is discharged from the air outlet; The casing is divided into a filter screen assembly cover, a fan assembly cover and a handle part from bottom to top, the filter screen assembly cover is internally provided with the filter screen assembly, the fan assembly cover is internally provided with the fan assembly, the handle part is internally provided with a control circuit and a power supply, and is convenient for people to hold and use; An air outlet is arranged on the fan assembly cover, so that the gas after condensation, filtration and adsorption is discharged from the air outlet; The oil screen cover is embedded in the filter screen assembly cover and extends outward to cover the pot body.
2. The portable extractor hood for a cooking vessel according to claim 1, characterized in that The filter screen assembly is movably connected to the filter screen assembly cover, so as to be conveniently disassembled.
3. The portable extractor hood for a cooking vessel according to claim 1, characterized in that The filter screen assembly is externally provided with a screw buckle, the outer wall of the screw buckle is provided with threads, the inner wall of the filter screen assembly cover is also provided with threads, the threads of the screw buckle and the threads of the filter screen assembly cover are matched with each other, and the connection between the filter screen assembly and the filter screen assembly cover is realized.
4. The portable extractor hood for a cooking vessel according to claim 1, characterized in that The filter screen assembly comprises three layers of filter screens of Teflon punched screen, stainless steel screen and activated carbon sponge.
5. The portable extractor hood for a cooking vessel according to claim 1, characterized in that The fan assembly comprises a magnetic wind blade which can be conveniently inserted and an internal motor, wherein 2-5 groups of corresponding magnets are arranged on the wind blade and the motor rotor, the magnets generate magnetic force, the rotation of the motor rotor is transmitted to the wind blade through the magnetic force, the wind blade is driven to rotate at high speed, thereby negative pressure is generated on one side of the filter screen assembly, and oil fume is conveniently sucked.
6. The portable extractor hood for a cooking vessel according to claim 1, characterized in that The oil screen cover is made of a steel ring and a stainless steel screen, so as to be conveniently disassembled, replaced or cleaned.
7. The portable extractor hood for a cooking vessel according to claim 1, characterized in that The oil screen cover is made of a steel ring and a gas-impermeable screen cover supported by the steel ring.
Citation Information
Patent Citations
Smoke ducts and range hoods
CN115342396B
Embedded folding range hood
CN205641080U
Portable range hood for pot body
CN221424932U