Internal discharge type small range hood

By designing an internal-discharge small range hood, the use of removable filter mesh and fixed components, the problem of existing range hoods requiring an external discharge pipe is solved, and effective fume absorption and easy cleaning solutions are achieved in any environment.

CN222315490UActive Publication Date: 2025-01-07FOG SPRAYING&PURIFICATION SYST CO LTD
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Patent Information

Application Number
CN202420506098.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-15
Publication Date
2025-01-07
Estimated Expiration
2034-03-15

AI Technical Summary

Technical Problem

The existing range hood cannot be used in some living environments because it requires the installation of the exhaust pipe, resulting in the inability to be installed and used.

Method used

A small range hood with an internal row is designed, using a removable filter mesh, fixing assembly, fixing column and shell cover. The impeller is driven to rotate and absorb the oil fume through the drive mechanism, and the residual oil on the filter mesh is thrown into the oil sucking in the fixed assembly. On paper, the structure is simple and easy to clean, and there is no need for an outlet pipe.

Benefits of technology

It realizes effective adsorption and cleaning of oil fume without the need for an extrusion pipe. The equipment is small in size, simple in structure, and easy to maintain and clean.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an internal discharge type small range hood, which comprises a shell and a shell cover, the shell cover is clamped with the right end of the shell, the shell is provided with a through hole for oil smoke to enter, a driving mechanism, an impeller, a fixing column, a filter screen and a fixing assembly are arranged in the shell, and the driving end of the driving mechanism is connected with one end of the impeller. The driving mechanism is used for driving the impeller to rotate to suck oil smoke, one section of the fixing column penetrates through the shell cover and extends into the impeller, detachable limiting assemblies are arranged at the two ends of the impeller, the filter screen is arranged on the periphery of the impeller in a sleeving mode and fixed to the limiting assemblies, the fixing assembly is arranged on the periphery of the filter screen in a sleeving mode, and one end of the fixing assembly is detachably connected with the fixing column. A clamping groove used for fixing the fixing assembly is formed in the shell cover, and the inner side, close to the filter screen, of the fixing assembly is used for containing oil absorption paper. The equipment is simple in structure, small in size and easy to clean, and an external discharge pipe is not needed.
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Description

Technical Field

[0001] The utility model relates to the technical field of oil fume extraction, in particular to an internal exhaust type small oil fume hood. Background Art

[0002] The existing range hood consists of a motor, an impeller, a filter and an external exhaust pipe. The motor drives the impeller to rotate, and the impeller and the external exhaust pipe cooperate to exhaust the oil smoke. Due to the restrictions of the living environment, the external exhaust pipe cannot be installed, resulting in the inability to install the existing range hood to absorb oil smoke. Utility Model Content

[0003] Based on this, a small internal exhaust range hood is provided, which has a small size, a simple structure, is easy to clean, and does not require an external exhaust pipe for use.

[0004] An internal exhaust small range hood comprises a casing and a casing cover, the casing cover is snap-connected with the right end of the casing, a through hole for the intake of oil fumes is arranged on the casing, a driving mechanism, an impeller, a fixing column, a filter screen and a fixing assembly are arranged in the casing, the driving end of the driving mechanism is connected with one end of the impeller, the driving mechanism is used to drive the impeller to rotate to absorb oil fumes, a section of the fixing column passes through the casing cover and extends into the interior of the impeller, removable limit assemblies are arranged at both ends of the impeller, the filter screen is arranged on the periphery of the impeller and fixed on the limit assemblies, the fixing assembly is arranged on the periphery of the filter screen, one end of the fixing assembly is detachably connected to the fixing column, a slot for fixing the fixing assembly is arranged inside the casing cover, a through hole for the intake of oil fumes is arranged on the fixing assembly, and the inner side of the fixing assembly close to the filter screen is used for placing oil absorbing paper.

[0005] The above-mentioned internal exhaust type small range hood adopts a detachable filter, a fixing assembly, a fixing column and a shell cover. When in use, when the residual oil on the filter reaches a certain amount, the oil is thrown onto the oil-absorbing paper in the fixing assembly by rotation. When use is completed, each component can be removed in time for cleaning. The device has a simple structure and is easy to clean, and does not require an external exhaust pipe.

[0006] In one of the embodiments, the fixing component of the internal exhaust small range hood is configured as a cylindrical structure, and a groove for accommodating the oil absorbing paper is provided in the fixing component.

[0007] In one of the embodiments, the driving mechanism of the internal exhaust small range hood includes a motor, and the motor is fixedly connected to the casing.

[0008] In one of the embodiments, the limiting assembly of the internal exhaust small range hood includes two limiting plates, and the limiting plates are provided with fixing grooves, and the fixing grooves are used to fix the two ends of the filter.

[0009] In one of the embodiments, the filter screen of the internal exhaust small range hood is made of stainless steel.

[0010] In one of the embodiments, a hand wheel is provided at one end of the fixed column of the internal exhaust small range hood located outside the casing, a limiting groove is provided on the fixed column, and the fixed column is connected to the casing cover through the limiting groove.

[0011] In one of the embodiments, a supporting foot is provided at the bottom end of the casing of the internal exhaust small range hood.

[0012] The beneficial effects of this application are:

[0013] The present application provides an internal exhaust type small range hood, which uses a detachable filter screen, a fixing assembly, a fixing column and a shell cover. When in use, when the residual oil on the filter screen reaches a certain amount, the oil is thrown onto the oil-absorbing paper in the fixing assembly by rotation. After use, each component can be removed in time for cleaning. The device has a simple structure and is easy to clean, and does not need to be configured with an external exhaust pipe.

[0014] The fixed column with a hand wheel is used to facilitate the removal of the shell cover and the fixed assembly for cleaning and the replacement of the oil absorbing paper in the fixed assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of an internal exhaust small range hood according to an embodiment of the present application;

[0016] Figure 2 A schematic diagram of a driving mechanism, a fixing assembly, a filter screen and a fixing column of an internal exhaust small range hood according to an embodiment of the present application;

[0017] Figure 3 A schematic diagram of a motor, a filter, a limit assembly and a fixing column of an internal exhaust small range hood according to an embodiment of the present application;

[0018] Figure 4 A schematic diagram of a motor, an impeller, a limiting plate and a fixing column of an internal exhaust small range hood according to an embodiment of the present application;

[0019] in:

[0020] 1. Casing; 2. Casing cover; 3. Driving mechanism; 4. Impeller; 5. Fixing column; 6. Filter; 7. Fixing assembly; 8. Limiting assembly; 9. Support foot; 31. Motor; 81. Limiting plate; 51. Handwheel. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0022] like Figure 1-Figure 4As shown, the embodiment of the present application provides an internal exhaust small-sized range hood, comprising a casing 1 and a casing cover 2, the casing cover 2 is snap-connected with the right end of the casing 1, a through hole for the intake of oil smoke is provided on the casing 1, a driving mechanism 3, an impeller 4, a fixing column 5, a filter screen 6 and a fixing assembly 7 are provided in the casing 1, the driving end of the driving mechanism 3 is connected with one end of the impeller 4, the driving mechanism 3 is used to drive the impeller 4 to rotate to absorb oil smoke, a section of the fixing column 5 passes through the casing cover 2 and extends into the impeller 4, a detachable limiting assembly 8 is provided at both ends of the impeller 4, the filter screen 6 is sleeved on the periphery of the impeller 4 and fixed on the limiting assembly 8, the fixing assembly 7 is sleeved on the periphery of the filter screen 6, one end of the fixing assembly 7 is connected to the fixing column 5, a slot for fixing the fixing assembly 7 is provided inside the casing cover 2, a through hole for the intake of oil smoke is provided on the fixing assembly 7, and the inner side of the fixing assembly 7 close to the filter screen 6 is used to place oil absorbing paper.

[0023] Specifically, the internal exhaust type small range hood includes a driving mechanism 3, an impeller 4, a fixed column 5, a filter 6 and a fixed component 7. The driving mechanism 3 drives the impeller 4 to rotate, and the impeller 4 drives the filter 6 to rotate. The fixed component 7 is sleeved on the periphery of the filter 6 and is detachably connected to the shell cover 2 and the fixed column 5. When the range hood is in use, the impeller 4 drives the filter 6 to rotate to absorb the oil smoke. When the residual oil on the filter 6 reaches a certain amount, the oil is thrown onto the oil-absorbing paper in the fixed component 7 by rotation. After use, the fixed column 5 can be pulled outward first, and the fixed column 5 drives the shell cover 2 and the fixed component 7 to be removed from the casing 1, and then the limit component 8 at one end of the impeller 4 is removed, and then the filter 6 is removed, and finally each component can be cleaned in time. The device has a simple structure, a small size, and is easy to clean, and does not require an external exhaust pipe.

[0024] like Figure 2 As shown, in one of the embodiments, the fixing component 7 of the internal exhaust small range hood is configured as a cylindrical structure, and a groove for accommodating oil absorbing paper is provided in the fixing component 7.

[0025] Specifically, the fixing component 7 adopts a cylindrical structure to facilitate receiving the residual oil of the filter screen 6 in all directions, and the oil-absorbing paper can be fixed in the groove of the fixing component 7 to facilitate replacement after use.

[0026] like Figure 2 As shown, in one embodiment, the driving mechanism 3 of the internal exhaust small range hood includes a motor 31, and the motor 31 is fixedly connected to the housing 1.

[0027] Specifically, the motor 31 is fixedly connected to the housing 1 via a support column. This arrangement facilitates fixing the motor 31 in the housing 1.

[0028] like Figure 2As shown, in one of the embodiments, the limiting assembly 8 of the internal exhaust small range hood includes two limiting plates 81 , and the limiting plates 81 are provided with fixing grooves for fixing the two ends of the filter screen 6 .

[0029] Specifically, the two limit plates 81 of the limit assembly 8 are clamped at the two ends of the impeller 4, and the limit plates 81 fix the two ends of the filter 6. The motor 31 drives the impeller 4 to rotate, and the impeller 4 drives the two limit plates 81 to rotate, and the limit plates 81 drive the filter 6 to rotate. When there is excessive residual oil on the filter 6, the residual oil is thrown onto the oil-absorbing paper of the fixing assembly 7.

[0030] This arrangement facilitates the fixing and removal of the filter screen 6 .

[0031] like Figure 3 As shown, in one of the embodiments, the filter screen 6 of the internal exhaust small range hood is made of stainless steel.

[0032] The above materials are cost-effective, easy to clean and highly durable.

[0033] like Figure 1 As shown, in one embodiment, a hand wheel 51 is provided at one end of the fixed column 5 of the internal exhaust small range hood on the outer side of the casing 1, a limiting groove is provided on the fixed column 5, and the fixed column 5 is connected to the casing cover 2 through the limiting groove.

[0034] Specifically, the housing cover 2 and the fixing assembly 7 can be removed from the housing 1 by pulling the hand wheel 51 outward. This arrangement facilitates the removal of the housing cover 2 and the fixing assembly 7.

[0035] like Figure 1 As shown, in one embodiment, the bottom end of the casing 1 of the internal exhaust type small range hood is provided with a support foot 9. The support foot 9 can be provided to facilitate placing the device on a desktop for use.

[0036] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. Internal exhaust small range hood, characterized by: The invention comprises a casing (1) and a casing cover (2), wherein the casing cover (2) is clamped with the right end of the casing (1), a through hole for taking in oil smoke is provided on the casing (1), a driving mechanism (3), an impeller (4), a fixing column (5), a filter screen (6) and a fixing assembly (7) are provided in the casing (1), a driving end of the driving mechanism (3) is connected to one end of the impeller (4), the driving mechanism (3) is used to drive the impeller (4) to rotate to absorb oil smoke, and a section of the fixing column (5) passes through the casing cover (2) and extends into the impeller (4) The two ends of the impeller (4) are provided with detachable limit assemblies (8); the filter (6) is sleeved on the periphery of the impeller (4) and fixed on the limit assemblies (8); the fixing assembly (7) is sleeved on the periphery of the filter (6); one end of the fixing assembly (7) is detachably connected to the fixing column (5); a slot for fixing the fixing assembly (7) is provided inside the shell cover (2); a through hole for oil smoke inlet is provided on the fixing assembly (7); and the inner side of the fixing assembly (7) close to the filter (6) is used for placing oil absorbing paper.

2. The small internal exhaust range hood according to claim 1, characterized in that: The fixing component (7) is configured as a cylindrical structure, and a groove for accommodating the oil-absorbing paper is provided in the fixing component (7).

3. The small internal exhaust range hood according to claim 1, characterized in that: The driving mechanism (3) comprises a motor (31), and the motor (31) is fixedly connected to the housing (1).

4. The small internal exhaust range hood according to claim 1, characterized in that: The limiting assembly (8) comprises two limiting plates (81), and the limiting plates (81) are provided with fixing grooves, which are used to fix the two ends of the filter screen (6).

5. The small internal exhaust range hood according to claim 1, characterized in that: The filter screen (6) is made of stainless steel.

6. The small internal exhaust range hood according to claim 1, characterized in that: A hand wheel (51) is provided at one end of the fixing column (5) located outside the casing (1), a limiting groove is provided on the fixing column (5), and the fixing column (5) is connected to the casing cover (2) via the limiting groove.

7. The small internal exhaust range hood according to claim 1, characterized in that: A supporting foot (9) is provided at the bottom end of the casing (1).