Range hood with external power assembly convenient for disassembling and washing interior of whole machine

By using an external powertrain and keyway/key tooth connection design, the problem of traditional range hoods being difficult to disassemble has been solved, enabling convenient disassembly and cleaning and efficient maintenance, thereby improving user experience and equipment lifespan.

CN223448454UActive Publication Date: 2025-10-17张新海
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Patent Information

Application Number
CN202520133059.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2025-10-17
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

Traditional range hoods have a complex structure that is difficult to disassemble, resulting in time-consuming and laborious cleaning and maintenance. The accumulation of grease affects the ventilation effect, increases energy consumption and the risk of failure, and shortens the service life.

Method used

The powertrain is designed with an external mounting system, which is connected by support rods and bolts, allowing the powertrain and suction components to be slidably disassembled. The impeller and motor are connected by keyway and key teeth, which facilitates disassembly and cleaning.

Benefits of technology

It enables convenient disassembly and cleaning of the range hood, shortens maintenance time, improves maintenance efficiency, and ensures the efficient operation and performance of the suction components.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223448454U_ABST
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Abstract

The range hood comprises a main body, a smoke gathering cover is arranged at the lower end of the main body, the power assembly is arranged on the front side face of the main body, the main body comprises a back plate, a supporting rod is arranged on the back plate, a cover plate is arranged on the supporting rod in a sliding mode, and an air suction assembly is connected to the supporting rod in a sliding mode. A check valve is arranged on the upper surface of the cover plate and located above the air suction assembly, a fixing plate is arranged at an opening of the front side face of the cover plate, and an observation plate is arranged on one side face of the cover plate. The range hood has the advantages that the problems that a traditional range hood adopts a complex electrical connection mode and a complete machine structure which is difficult to disassemble, time and labor are consumed during cleaning, a motor and a control part are difficult to disassemble, oil dirt accumulation affects the air draft effect and the use experience of a user, energy consumption is increased, and the service life is prolonged are effectively solved. Meanwhile, high-temperature and high-humidity oil smoke can generate adverse effects on the performance of a motor and a control circuit, the risk of faults of the extractor hood is increased, and the service life of the extractor hood is shortened.
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Description

TECHNICAL FIELD

[0001] The utility model relates to range hood technical field especially relates to a kind of range hood with external power assembly to facilitate the internal disassembly and washing of whole machine. BACKGROUND

[0002] In the field of kitchen appliances, range hood is an indispensable equipment, and its main function is to remove the oil fume generated during cooking process and keep the kitchen air fresh. However, in the long-term use of traditional range hood, due to the erosion of oil fume, the oil stain gradually accumulates in the volute, impeller and motor inside the range hood, affecting the normal operation and performance of the range hood. Generally, the structure design of traditional range hood is not convenient for disassembly, which makes it difficult to clean and maintain.

[0003] Traditional range hood adopts complex electrical connection mode and whole machine structure difficult to disassemble. In the cleaning process, the range hood must be disassembled complicatedly, which not only consumes time and effort, but also may damage other parts due to improper operation. Moreover, frequent disassembly may damage the sealing performance and connection structure of the range hood, affecting its overall performance and service life.

[0004] In addition, due to the inability to clean the volute and impeller in time and effectively, the accumulation of oil stain will affect the air extraction effect, affect the user experience, increase the energy consumption, and the high temperature and high humidity oil fume will also have adverse effects on the performance of motor and control circuit, increase the risk of range hood failure, and shorten the service life of range hood. SUMMARY

[0005] The utility model aims at solving the problems of traditional range hood, such as complex electrical connection mode, difficult to disassemble, time-consuming and laborious during cleaning, motor and control part not easy to disassemble, accumulation of oil stain affecting air extraction effect, affecting user experience, increasing energy consumption, high temperature and high humidity oil fume affecting the performance of motor and control circuit, increasing the risk of range hood failure, and shortening the service life of range hood, and provides a range hood with external power assembly to facilitate the internal disassembly and washing of whole machine.

[0006] The utility model realizes the above-mentioned purpose through the following technical scheme:

[0007] An outside power assembly is provided for facilitating the disassembly and cleaning of the internal components of a range hood, comprising a main body, the lower end of which is provided with a smoke collecting hood, and the front and side surfaces of which are provided with a power assembly; the main body comprises a back plate, four sets of support rods are arranged on the back plate, a cover plate is slidably arranged on the support rods and connected to the back plate by bolts, a suction assembly is slidably connected to the support rods in the inner cavity of the cover plate, the suction assembly is connected to the upper panel of the cover plate by bolts, a check valve is arranged on the upper surface of the cover plate above the suction assembly, a fixing plate is arranged at the opening of the front and side surfaces of the cover plate and can slide on the support rods, and an observation plate is arranged on one side of the cover plate.

[0008] Further, the suction assembly comprises a volute, the front and rear surfaces of the volute are provided with fixing ears matched with the four sets of support rods, the front and side surfaces of the volute are provided with fixing members extending into the inner cavity of the volute, and the end of the fixing member is rotatably connected to an impeller by a bearing.

[0009] Further, the power assembly is slidably connected to the support rods and fixed to the power assembly by a fastening bolt arranged at the end of the support rod.

[0010] Further, the smoke collecting hood is slidably connected to the lower end of the cover plate, and the smoke collecting hood is connected to the back plate and the cover plate by bolts.

[0011] Further, the power assembly comprises a mounting shell, a motor is arranged in the inner cavity of the mounting shell, a main control unit is arranged below the motor, a plug is connected to the main control unit, the motor is electrically connected to the main control unit, and a control panel is arranged on the front and side surfaces of the mounting shell and electrically connected to the main control unit.

[0012] Further, a key groove is designed at the center position of the impeller, and a key tooth is designed at the output end of the motor, the key tooth is inserted into the key groove and engaged.

[0013] Beneficial effects: The utility model has the following beneficial effects:

[0014] 1. The power assembly can slide along the support rods and be easily removed by loosening the fastening bolt, and the suction assembly can also be conveniently disassembled by sliding the support rods and the cover plate and by the bolt connection, which enables the volute and the impeller, which are prone to accumulate oil stains, to be quickly removed without complex operations during cleaning, greatly saving manpower and time.

[0015] 2. Since the power assembly is installed outside the air duct, it is easy to disassemble, and when a component in the power assembly fails, maintenance personnel can conveniently check, maintain or replace it, greatly shortening the maintenance time and improving the maintenance efficiency.

[0016] 3. The impeller center position is designed as a key groove, the motor output end is designed as a key tooth, and the two are inserted and engaged, so that the transmission efficiency between the impeller and the motor is ensured, and the connection and disassembly of the impeller and the motor are more convenient, when the impeller needs to be cleaned or replaced, the impeller can be separated from the motor more easily, meanwhile, the power transmission problem caused by the complex connection structure is avoided, the efficient operation of the air suction assembly is ensured, and the normal suction and performance of the range hood are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a main body structure schematic diagram of the utility model;

[0019] Figure 3 It is an air suction assembly structure schematic diagram of the utility model;

[0020] Figure 4 It is a power assembly structure schematic diagram of the utility model;

[0021] Figure 5 It is another view structure schematic diagram of the power assembly of the utility model;

[0022] Figure 6 It is an exploded schematic diagram of the utility model.

[0023] In the drawing: 10-main body, 20-smoke collecting cover, 30-power assembly;

[0024] 101-back plate, 102-supporting rod, 103-cover plate, 104-air suction assembly, 105-check valve, 106-fixing plate, 107-observation plate, 301-mounting shell, 302-motor, 303-main controller, 304-plug, 305-control panel, 1041-volute, 1042-fixing lug, 1043-fixing piece, 1044-impeller. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0026] Combined Figures 1-6The illustrated range hood with an external power assembly for facilitating the internal disassembly and washing of the whole machine, comprising a main body 10, the lower end of the main body 10 is provided with a smoke collecting cover 20, and the front side of the main body 10 is provided with a power assembly 30; the main body 10 comprises a back plate 101, four groups of supporting rods 102 are arranged on the back plate 101, a cover plate 103 is slidably arranged on the supporting rods 102 and connected with the back plate 101 through bolts, a suction assembly 104 is slidably connected to the inner cavity of the cover plate 103 on the supporting rods 102, the suction assembly 104 is connected with the upper panel of the cover plate 103 through bolts, a check valve 105 is arranged on the upper surface of the cover plate 103 above the suction assembly 104, a fixed plate 106 is arranged at the opening of the front side of the cover plate 103, the fixed plate 106 can slide on the supporting rods 102, an observation plate 107 is arranged on one side of the cover plate 103, after the observation plate 107 is disassembled, the user can observe the oil smoke accumulation inside the main body 10 through the opening, so as to facilitate the user to judge whether cleaning is needed.

[0027] The suction assembly 104 comprises a volute 1041, the front and rear surfaces of the volute 1041 are provided with fixed ears 1042 matched with the four groups of supporting rods 102, a fixed part 1043 is arranged at the opening of the front side of the volute 1041 and extends into the inner cavity of the volute 1041, and an impeller 1044 is rotatably connected to the end of the fixed part 1043 through a bearing.

[0028] The power assembly 30 is slidably connected to the supporting rods 102 and is provided with fastening bolts at the end of the supporting rods 102 to fix the power assembly 30.

[0029] The smoke collecting cover 20 is slidably connected to the lower end of the cover plate 103, and the smoke collecting cover 20, the back plate 101 and the cover plate 103 are all connected through bolts.

[0030] The power assembly 30 comprises a mounting shell 301, a motor 302 is arranged in the inner cavity of the mounting shell 301, and a main controller 303 is arranged below the motor 302, a plug 304 is connected to the main controller 303, the motor 302 is electrically connected with the main controller 303, and a control panel 305 is arranged on the front side of the mounting shell 301 and electrically connected with the main controller 303.

[0031] The center position of the impeller 1044 is designed as a key groove, the output end of the motor 302 is designed as a key tooth, and the key tooth is inserted and engaged with the key groove, which ensures the transmission efficiency between the impeller 1044 and the motor 302, and makes the connection and disassembly of the impeller 1044 and the motor 302 more convenient.

[0032] Working principle: first, the observation plate 107 is disassembled to observe the oil pollution, when dirty more need to clean the volute 1041 and impeller 1044, first, the power assembly 30 is disassembled and separated from the main body 10, then the fixed plate 106 is disassembled and separated from the cover plate 103, the cover plate 103 and the suction assembly 104 can be taken off from the support rod 102, then the screw on the cover plate 103 is disassembled, the suction assembly 104 is taken off, then the fixing piece 1043 is disassembled to separate the impeller 1044 from the volute 1041, then the parts are cleaned, when the smoke hood 20 needs to be cleaned, the bolt is disassembled to slide the smoke hood 20 from the main body 10 and take it off, then it is cleaned.

[0033] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

[0034] In addition, it should be understood that although the present application is described in the form of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A range hood with an external power assembly to facilitate internal disassembly and cleaning of the entire machine, characterized by: The invention comprises a main body (10), a smoke collecting hood (20) is provided at the lower end of the main body (10), and a power assembly (30) is provided on the front side of the main body (10); the main body (10) comprises a back plate (101), four groups of support rods (102) are provided on the back plate (101), a cover plate (103) is slidably provided on the support rods (102) and connected to the back plate (101) by bolts, and the support rods (102) are located in the inner cavity of the cover plate (103) and slide. The cover plate (103) is dynamically connected to a suction assembly (104), the suction assembly (104) and the upper panel of the cover plate (103) are connected by bolts, a check valve (105) is provided on the upper surface of the cover plate (103) above the suction assembly (104), a fixing plate (106) is provided at the opening of the front side of the cover plate (103), the fixing plate (106) can slide on the support rod (102), and an observation plate (107) is provided on one side of the cover plate (103).

2. A range hood with an external power assembly for easy disassembly and cleaning of the entire interior according to claim 1, characterized in that: The air suction assembly (104) includes a volute (1041), and the front and rear surfaces of the volute (1041) are both provided with fixing ears (1042) that match the four groups of support rods (102). A fixing piece (1043) is provided at the opening of the front side of the volute (1041) and extends to the inner cavity of the volute (1041). The end of the fixing piece (1043) is rotatably connected to the impeller (1044) through a bearing.

3. The range hood with an external power assembly for easy disassembly and cleaning of the entire interior according to claim 2, characterized in that: The power assembly (30) is slidably connected to the support rod (102), and a fastening bolt is provided at the end of the support rod (102) to fix the power assembly (30).

4. The range hood with an external power assembly for easy disassembly and cleaning of the entire interior according to claim 3, characterized in that: The smoke collecting hood (20) is slidably connected to the lower end of the cover plate (103), and the smoke collecting hood (20) is connected to the back plate (101) and the cover plate (103) by bolts.

5. The range hood with an external power assembly for easy disassembly and cleaning of the entire interior according to claim 4, characterized in that: The power assembly (30) comprises a mounting shell (301), a motor (302) is arranged in an inner cavity of the mounting shell (301), and a main controller (303) is arranged below the motor (302), a plug (304) is connected to the main controller (303), the motor (302) and the main controller (303) are electrically connected, and a control panel (305) is arranged on the front side of the mounting shell (301), and the control panel (305) is electrically connected to the main controller (303).

6. The range hood with an external power assembly for easy disassembly and cleaning of the entire interior according to claim 5, characterized in that: The center position of the impeller (1044) is designed as a keyway, and the output end of the motor (302) is designed as a key tooth, and the key tooth is plug-engaged with the keyway.