Range hood

By introducing an up-and-down moving device and a drive device into the range hood, the control device is separated from the smoke guide plate. Operation is carried out using gesture sensors and infrared sensors, which solves the problem of the control device in high-temperature areas, and achieves the extension of the control device's lifespan and the concealment of the smoke guide plate.

CN223939508UActive Publication Date: 2026-02-24GUANGDONG SHANFU TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520544408.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-02-24
Estimated Expiration
2035-03-25

AI Technical Summary

Technical Problem

The control device of existing range hoods rotates with the smoke guide plate, causing the control device to be in a high-temperature zone, which affects its service life.

Method used

The control device is separated from the smoke guide plate by adopting a vertical moving device and a driving device. Control is achieved through an operation panel and a transmission plate, and operation is carried out using a gesture sensor and an infrared sensor. The control device is kept away from the high-temperature area.

Benefits of technology

The control device is located away from high-temperature areas, extending its service life, and the smoke guide is concealed yet still functional.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a range hood, which comprises a shell, an air cabinet, a control device, an operation plate serving as a smoke deflector, an up-and-down moving device and a driving device, and the shell is provided with a smoke collecting cavity with a lower opening; the air cabinet is arranged at the top of the shell and connected with the smoke collecting cavity, a device cavity and a movable cavity are arranged at the front parts of the air cabinet and the shell from top to bottom, an access hole is formed in a bottom plate of the shell at the movable cavity, and a mounting hole is formed in the bottom plate at the front part of the access hole; the control device is arranged on the machine shell and embedded into the mounting hole, the up-down moving device and the driving device are arranged in the device cavity, the operation plate moves up and down in the movable cavity and is in in-out fit with the in-out hole, and the operation plate is connected with the up-down moving device through the transmission plate. Signals of the control device are mapped to the operation panel, and control is achieved by touching the operation panel. The control device is far away from a high-temperature area and has the characteristic of long service life, and the smoke guide machine is hidden and has an operation function.
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Description

Technical Field

[0001] This utility model relates to a range hood. Background Technology

[0002] The existing technology, Chinese patent 202220874926.3, discloses a T-shaped range hood, including a main body, a smoke guide plate, and a receiving space. The bottom of the main body has a smoke inlet; the smoke guide plate is rotatably mounted on the bottom of the main body, and can be flipped to a first position close to the smoke inlet or a second position away from the smoke inlet; the bottom of the main body also has a receiving space, and when the main body is closed, the smoke guide plate is in the first position and stored in the receiving space. The inner surface of the smoke guide plate 110 has a mounting cavity 112. A sensing mechanism and a control mechanism are installed in the mounting cavity 112. The problem is that the control device rotates with the smoke guide plate, and when the range hood is working, the control device is in a high-temperature zone. Utility Model Content

[0003] The purpose of this utility model is to provide a range hood that has the features of a control device located away from the high-temperature zone and a concealed smoke guide.

[0004] This utility model is implemented as follows: a range hood, characterized in that it includes a housing, a fan, a control device, an operation panel that also serves as a smoke guide plate, a vertical moving device, and a drive device.

[0005] The casing has a smoke collection chamber with a lower opening;

[0006] The air handling unit is located at the top of the casing and connected to the smoke collection chamber. The front of the air handling unit and the casing has a device cavity and a movable cavity from top to bottom. The bottom plate of the casing at the movable cavity has an inlet and outlet hole, and the bottom plate in front of the inlet and outlet hole has a mounting hole. The control device is located in the casing and fits into the mounting hole. The up-and-down moving device and the drive device are located in the device cavity. The operating panel moves up and down in the movable cavity and cooperates with the inlet and outlet hole. The operating panel is connected to the up-and-down moving device through a transmission plate. The signal of the control device is mapped to the operating panel, and the touch operating panel realizes control.

[0007] The aforementioned range hood is characterized in that: the up-and-down moving device includes a main body, a screw, a moving base, and a nut.

[0008] The main body is hollow and has a longitudinal guide groove along the height direction;

[0009] The movable seat includes a through hole and a guide plate;

[0010] The nut is embedded in the through hole of the movable seat, the movable seat slides in the inner cavity of the main body and the guide plate slides in the longitudinal guide groove, and the suspended end of the guide plate is fixedly connected to the transmission plate; the screw is screwed into the nut and the upper and lower ends are pivotally connected to the main body; the driving device drives the screw.

[0011] The range hood described above is characterized in that: the driving device includes a housing, a worm gear, a worm, and a motor;

[0012] The housing includes a worm gear cavity and a screw cavity, and the worm gear cavity and the worm cavity are connected.

[0013] The housing is fixed to the motor housing. The worm gear is located inside the worm gear cavity. The lower end of the screw is fixed to the worm gear and the end is pivotally connected to the bottom plate of the worm gear cavity. The worm is located inside the worm cavity, with one end fixed to the motor shaft and the other end pivotally connected to the closed end of the worm cavity. The worm and worm gear work together for transmission.

[0014] The range hood described above is characterized in that: the control device includes a bottom shell, a top cover, a main control board, and a transparent window panel.

[0015] The bottom shell is hollow and has an upper opening. It includes a partition plate, a functional seat, and a functional hole on the functional seat. The functional hole passes through the functional seat and the bottom plate. The partition plate and the functional seat have an upward angle from front to back.

[0016] The lower part of the top cover has a rising angle from front to back;

[0017] The main control board is equipped with a transmitting element;

[0018] The main control board is attached to the partition and the functional seat, the emitting element extends into the functional hole, the top cover is fastened to the bottom shell and the end is pressed against the main control board; the transparent window is located at the bottom of the bottom shell and covers the functional hole, the head of the transparent window is engaged with the mounting hole, and the emitting element is opposite to the smoke guide plate.

[0019] The range hood described above is characterized in that: control seats are provided at both ends of the bottom shell, and light-transmitting holes are provided on the control seats;

[0020] It also includes a gesture sensor, which is located on the main control board and extends into the light-transmitting hole.

[0021] The aforementioned range hood is characterized in that: the top cover is provided with a hook.

[0022] The bottom shell is provided with a hook hole; the hook and the hook hole are fastened together.

[0023] The special feature of the range hood is that the front end of the fan housing is flush with the front end of the casing.

[0024] The range hood described above is characterized in that: the bottom of the casing is parallel to the horizontal plane, or the bottom of the casing has an upward angle from back to front.

[0025] The range hood described above is special in that it also includes an LED light strip, which is located on the top of the control panel.

[0026] This utility model discloses a range hood, which, compared with the prior art, has a control device that is far away from the high-temperature zone and has a long service life. The smoke guide is hidden and has an operating function. Attached Figure Description

[0027] Figure 1 This is a cross-sectional view of the present invention.

[0028] Figure 2 This is a partial three-dimensional sectional view of the present invention.

[0029] Figure 3 This is a perspective view of the present invention.

[0030] Figure 4 This is one of the exploded perspective views of this utility model.

[0031] Figure 5 This is the second exploded perspective view of this utility model.

[0032] Figure 6 This is one of the exploded perspective views of the driving device of this utility model.

[0033] Figure 7 This is the second exploded perspective view of the driving device of this utility model.

[0034] Figure 8 This is a cross-sectional view of the drive device of this utility model.

[0035] Figure 9 This is one of the exploded perspective views of the control device of this utility model.

[0036] Figure 10 This is the second exploded perspective view of the control device of this utility model.

[0037] Figure 11 This is a cross-sectional view of the control device of this utility model.

[0038] Figure 12 This is a three-dimensional view of the present invention in a static state. Detailed Implementation

[0039] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0040] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0041] like Figure 1 As shown, a range hood includes a housing 1, a fan housing 2, a control device 3, an operation panel 4 that also serves as a smoke guide plate, a vertical moving device 5, and a drive device 6.

[0042] The housing 1 is provided with a smoke collection chamber 11 with a lower opening;

[0043] The air handling unit 2 is located on top of the casing 1 and connected to the smoke collection chamber 11. The front of the air handling unit 2 and the casing 1, from top to bottom, has a device cavity 71 and a movable cavity 72. An inlet / outlet hole 12 is located on the bottom plate of the casing 1 at the movable cavity 72, and a mounting hole 13 is located on the bottom plate in front of the inlet / outlet hole 12. The control device 3 is located inside the casing 1 and fits into the mounting hole 13. A vertical moving device 5 and a drive device 6 are located inside the device cavity 71. The operating panel 4 moves vertically within the movable cavity 72 and engages with the inlet / outlet hole 12. The operating panel 4 is connected to the vertical moving device 5 via a transmission plate 41. Signals from the control device 3 are mapped onto the operating panel 4, and control is achieved by touching the operating panel 4. The operating panel 4 has an operation control area. Signals from the control device 3 are mapped onto the operation control area, and control is achieved by touching the control area.

[0044] Figure 1 , Figure 3 This is the usage state of the present invention, with the operation plate 4 extending out from the movable cavity through the inlet / outlet hole 12.

[0045] As a further improvement to this utility model: such as Figure 1 , Figure 6 , Figure 7 , Figure 8 As shown, the vertical moving device 5 includes a main body 51, a screw 52, ​​a moving base 53, and a nut (not shown in the figure).

[0046] The main body 51 is hollow and is provided with a longitudinal guide groove 511 along the height direction, and the longitudinal guide groove 511 penetrates the thickness of the main body 51.

[0047] The movable seat 53 includes a through hole 531 and a guide plate 532;

[0048] The nut is embedded in the through hole 531 of the movable seat 53. The movable seat 53 is slidably engaged with the inner cavity of the main body 51 and the guide plate 532 is slidably engaged with the longitudinal guide groove 511. The suspended end of the guide plate 532 is fixedly connected to the transmission plate 41. The screw 52 is screwed into the nut and its upper and lower ends are pivotally connected to the main body 51. The driving device 6 drives the screw 52. The rotation of the screw 52 enables the movable seat 53 to move upward or downward within the main body 51.

[0049] The inner cavity of the main body 51 and the movable seat 53 can be square or circular. When the inner cavity of the main body 51 is circular, an axial guide groove is provided on the inner wall, and an axial guide protrusion is provided on the outer wall of the movable seat 53. The axial guide protrusion and the axial guide groove slide together to prevent the movable seat and the main body 51 from rotating relative to each other.

[0050] like Figure 1 , Figure 6 , Figure 7 , Figure 8 As shown, the drive device 6 includes a housing 61, a worm gear 62, a worm 63, and a motor 64;

[0051] The housing 61 includes a worm gear cavity 612 with an upper opening and a screw cavity 612 with one end opening, and the worm gear cavity 612 and the worm 63 cavity are connected.

[0052] The housing 61 is fixed to the motor housing, the worm gear 62 is located in the worm gear cavity 612, the lower end of the screw 52 is fixed to the worm gear 62 and the end is pivotally connected to the bottom plate of the worm gear cavity 612, the worm 63 is located in the worm 63 cavity, one end is fixed to the shaft of the motor 64 and the other end is pivotally connected to the closed end of the worm 63 cavity, and the worm 63 and the worm gear 62 cooperate to transmit power;

[0053] The drive unit 6 can also be a motor with a speed reducer, and the output shaft of the speed reducer is connected to the worm gear 63.

[0054] like Figure 9 , Figure 10 , Figure 11 As shown, the control device 3 includes a bottom shell 31 with an upper opening, a top cover 32 with a lower opening, a main control board 33, and a transparent window panel 34.

[0055] The hollow bottom shell 31 has an upper opening and includes a partition 311 along its width direction disposed inside the bottom shell, a functional seat 312, and a functional hole 313 disposed on the functional seat 312. The functional hole 313 passes through the functional seat 312 and the bottom plate of the bottom shell 31. Figure 11 As shown, the partition 311 and the function seat 312 have an upward angle from front to back; indicator light holes can also be provided on the function seat 312; indicator lights are provided on the main control board;

[0056] The lower end of the top cover 32 has a rising angle from front to back;

[0057] The main control board 33 is equipped with a transmitting element, such as an infrared sensor;

[0058] The main control board 33 is attached to the partition 311 and the function seat 312. The transmitting element extends into the function hole 313 or is opposite to the function hole 313. The top cover 32 is fastened to the bottom shell 31 and the end is pressed against the main control board 33. The transparent window 34 is located at the bottom of the bottom shell 31 and covers the function hole 313. The head 341 of the transparent window 34 is engaged with the mounting hole 13. The transmitting element is opposite to the touch control area of ​​the operation panel 4.

[0059] When an infrared sensor is used, infrared light shines through the transparent window 34 onto the touch control area of ​​the operation panel 4.

[0060] As a further improvement of this utility model: the bottom shell 31 is provided with control seats 35 at both ends, and the control seats 35 are provided with light-transmitting holes;

[0061] It also includes a gesture sensor, which is located on the main control board 33 and extends into the light-transmitting hole. When in use, if a person shakes their hand, the gesture sensor transmits a signal to the main control board, which turns on the machine, causes the motor to rotate, and extends the operation panel 4; then, the functional components are operated to adjust the operating conditions of the range hood.

[0062] You can also set a manual switch or a touch switch.

[0063] As a further improvement of this utility model: the top cover 32 is provided with a hook 321.

[0064] The bottom shell 31 is provided with a hook hole 311; the hook 321 and the hook hole 311 are fastened together.

[0065] As a further improvement of this utility model: the front end of the blower 2 is flush with the front end of the housing 1.

[0066] As a further improvement of this utility model: the bottom of the housing 1 is parallel to the horizontal plane, or the bottom of the housing 1 has an upward angle from back to front.

[0067] As a further improvement of this utility model, it also includes an LED light strip 8, which is disposed on the top of the operation panel 4.

[0068] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A range hood, characterized in that: Includes the casing, air handling unit, control device, operating panel that also serves as a smoke guide plate, vertical movement device, and drive device. The casing has a smoke collection chamber with a lower opening; The air handling unit is located on the top of the casing and connected to the smoke collection chamber. The front of the air handling unit and the casing has a device cavity and a movable cavity from top to bottom. The bottom plate of the casing at the movable cavity has an inlet / outlet hole, and the bottom plate in front of the inlet / outlet hole has a mounting hole. The control device is located in the casing and fits into the mounting hole. The up-and-down moving device and the drive device are located in the device cavity. The operating panel moves up and down in the movable cavity and moves in and out with the inlet / outlet hole. The operating panel is connected to the up-and-down moving device through a transmission plate. The signal of the control device is mapped to the operating panel, and the control is achieved by touching the operating panel.

2. The range hood according to claim 1, characterized in that: The vertical moving device includes a main body, a screw, a moving base, and a nut. The main body is hollow and has a longitudinal guide groove along the height direction; The movable seat includes a through hole and a guide plate; The nut is embedded in the through hole of the movable seat, the movable seat slides in the inner cavity of the main body and the guide plate slides in the longitudinal guide groove, and the suspended end of the guide plate is fixedly connected to the transmission plate; the screw is screwed into the nut and the upper and lower ends are pivotally connected to the main body; the driving device drives the screw.

3. A range hood according to claim 2, characterized in that: The drive device includes a housing, a worm gear, a worm, and a motor; The housing includes a worm gear cavity and a screw cavity, and the worm gear cavity and the worm cavity are connected. The housing is fixed to the motor housing. The worm gear is located inside the worm gear cavity. The lower end of the screw is fixed to the worm gear and the end is pivotally connected to the bottom plate of the worm gear cavity. The worm is located inside the worm cavity, with one end fixed to the motor shaft and the other end pivotally connected to the closed end of the worm cavity. The worm and worm gear work together for transmission.

4. A range hood according to claim 1, characterized in that: The control device includes a bottom shell, a top cover, a main control board, and a transparent window panel. The bottom shell is hollow and has an upper opening. It includes a partition plate, a functional seat, and a functional hole on the functional seat. The functional hole passes through the functional seat and the bottom plate. The partition plate and the functional seat have an upward angle from front to back. The lower part of the top cover has a rising angle from front to back; The main control board is equipped with a transmitting element; The main control board is attached to the partition and the functional seat, the transmitting element extends into the functional hole, the top cover is fastened to the bottom shell, and the end is pressed against the main control board; A transparent window panel is located at the bottom of the base shell and covers the functional holes. The head of the transparent window panel mates with the mounting holes, and the emitting element is opposite to the smoke guide plate.

5. A range hood according to claim 4, characterized in that: The bottom shell is provided with control seats at both ends, and the control seats are provided with light-transmitting holes; It also includes a gesture sensor, which is located on the main control board and extends into the light-transmitting hole.

6. A range hood according to claim 4, characterized in that: The top cover is equipped with a hook. The bottom shell is provided with a hook hole; the hook and the hook hole are fastened together.

7. A range hood according to claim 1, characterized in that: The front end of the blower is flush with the front end of the casing.

8. A range hood according to claim 1, characterized in that: The bottom of the housing is parallel to the horizontal plane, or the bottom of the housing has an upward angle from back to front.

9. A range hood according to claim 1, 2, 3, 4, 5, 6, 7 or 8, characterized in that: It also includes an LED light strip, which is located on the top of the control panel.

Citation Information

Patent Citations

  • T-shaped range hood

    CN217154290U