Double glass plate linkage type range hood

Abstract

A double glass plate linkage type range hood, comprising a casing, an upper glass plate, a middle glass plate, a lower glass plate, a guide stop plate, a stop device and a driving device, the upper glass plate covers the upper part of the smoke collecting cavity, the middle glass plate and the lower glass plate cover the middle part of the smoke collecting cavity; the driving device drives the relative rotation of the middle glass plate and the upper glass plate, the upper glass plate and the middle glass plate; in use, the upper glass plate has an acute angle with the horizontal plane below, the middle glass plate extends forward and is parallel to the horizontal plane below or has an acute angle α with the horizontal plane below; when converting from static state to working state, the middle glass plate moves, the upper glass plate rotates, and then the middle glass plate rotates; when converting from working state to static state, the middle glass plate moves, the upper glass plate rotates, and then the middle glass plate rotates. In use, the acute angle between the upper glass plate and the horizontal plane below forms an angular negative pressure area, the middle glass plate extends forward and is parallel to the horizontal plane below, thus expanding the negative pressure area and effectively preventing smoke overflow.

Description

Technical Field

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

[0002] The existing technology, Chinese patent 202020357428.2, describes a front panel assembly for a range hood, including an upper glass panel, a rotatable middle glass panel, a lower glass panel, an upper fixed plate, an oil filter, a lower fixed plate, an active drive device, and a driven device. It also includes two fixed brackets, the upper and lower parts of which are respectively attached to the upper and lower fixed plates, with perforated flanges inserted into riveting holes for riveting. The rear part of the smoke collection groove is embedded in a positioning groove. The upper glass panel is fixed to the upper fixed plate, the lower glass panel is fixed to the lower fixed plate, and the middle glass panel covers the smoke collection groove. A side-suction range hood includes a housing, a fan, a smoke exhaust interface, an oil cup, and a front panel assembly. The hook plate of the fixed bracket engages with the hook plate groove, the hook rests with the hanging rod, and the lower end of the lower fixed plate extends into the housing and is fixedly connected to the bottom plate. The two ends of the smoke collection groove are attached to the side wall panels to form a smoke collection chamber. The problem is that when the middle glass plate rotates, there is an acute angle between the middle glass plate and the horizontal plane below during use, resulting in a small negative pressure area and easy smoke overflow. Summary of the Invention

[0003] The purpose of this invention is to provide a dual-glass-plate linked range hood, which features high negative pressure during use and effectively prevents smoke overflow.

[0004] This invention is implemented as follows: a dual-glass plate linkage range hood, characterized in that it includes a housing, an upper glass plate, a middle glass plate, a lower glass plate, a guide stop plate, a stop device, and a drive device.

[0005] The housing includes a front-opening smoke collection chamber, a smoke guide hole on the back plate of the smoke collection chamber, and longitudinal guide holes on both sides of the front of the housing.

[0006] The upper glass plate is hinged to the top of the housing and covers the upper part of the smoke collection chamber; the middle glass plate covers the middle part of the smoke collection chamber; and the lower glass plate covers the lower part of the smoke collection chamber and is fixed. One end of the guide stop plate is fixed to the upper glass plate, and the other end extends into the housing through the longitudinal guide hole to cooperate with the stop device. The drive device drives the middle glass plate and the upper glass plate, and the upper glass plate and the middle glass plate to rotate relative to each other. In the working state, the upper glass plate has an acute angle with the horizontal plane below, and the middle glass plate extends forward and is parallel to the horizontal plane below or has an acute angle α with the horizontal plane below. When transitioning from static to working state, the middle glass plate moves, the upper glass plate rotates, and then the middle glass plate rotates. When transitioning from working state to static state, the middle glass plate moves, the upper glass plate rotates, and then the middle glass plate rotates.

[0007] The aforementioned double-glass panel linkage range hood is characterized in that: the driving device includes a motor, a crank, and a connecting rod.

[0008] The motor is fixed inside the housing. The crank is fixed to the motor shaft and hinged to the connecting rod. The other end of the connecting rod passes through the clearance hole on the back plate of the smoke collection chamber and is hinged to the middle glass plate.

[0009] The special feature of the double-glass plate linkage range hood is that the lower end of the guide stop plate is arc-shaped and the rear end is provided with a stop plate.

[0010] The stop device includes a base and rollers.

[0011] The frame includes a fixed plate, a support plate, a roller seat plate, and a sliding groove. The roller seat plate is located on top of the support plate, and the sliding groove passes through the upper end of the roller seat plate and the support plate.

[0012] The base is fixed inside the housing, and the rollers are pivotally connected to the roller base plates on both sides of the sliding groove. The lower end of the guide stop plate slides in cooperation with the sliding groove and the rollers, and the stop plate cooperates with the rollers to stop.

[0013] The aforementioned double-glass panel linkage range hood is characterized in that: the front end of the casing and smoke collection chamber includes a vertical plane portion and an inclined portion.

[0014] The upper glass plate corresponds to the vertical plane section, while the middle and lower glass plates correspond to the inclined section.

[0015] The unique feature of the double-glass panel linkage range hood is that the upper glass panel and the middle glass panel are hinged together by hinges.

[0016] The unique feature of the double-glass panel linkage range hood is that the hinge includes a middle plate, an end plate, and a fixed shaft.

[0017] The middle page plate is fixed to the middle glass plate, and the end page plates are located at both ends of the upper glass plate. The middle bushing of the middle page plate is located between the end bushings of the end page plates, and the fixed shaft is engaged with the middle bushing and the end bushing.

[0018] The special feature of the double-glass plate linkage range hood is that the rear panel of the smoke collection chamber is provided with an inlet and outlet hole;

[0019] It also includes a side-opening frame-shaped transmission frame, a fixed base frame, and a movable base frame.

[0020] The fixed seat is fixed to the upper glass plate, the movable seat is fixed to the middle glass plate, one end of the frame-shaped transmission frame is fixed to the fixed seat, and the other end is hinged to the movable seat; the frame transmission frame is engaged with the inlet and outlet holes; the drive device is hinged to the frame-shaped transmission frame.

[0021] This invention relates to a double-glass-pane linked range hood. In use, the upper glass panel forms an angular negative pressure zone with an acute angle between it and the lower horizontal plane. The middle glass panel extends forward and is parallel to the lower horizontal plane, thus expanding the negative pressure zone and effectively preventing smoke overflow. Attached Figure Description

[0022] Figure 1 This is a cross-sectional view of the present invention.

[0023] Figure 2 yes Figure 1 A-A view.

[0024] Figure 3 yes Figure 2 A magnified view of a portion of the image.

[0025] Figure 4 This is a three-dimensional view of the present invention in static form.

[0026] Figure 5 This is a perspective view of the present invention in its working state.

[0027] Figure 6 This is one of the exploded perspective views of the present invention.

[0028] Figure 7 This is the second exploded perspective view of the present invention.

[0029] Figure 8 This is a cross-sectional view of the present invention in its working state.

[0030] Figure 9 yes Figure 8 A partial sectional view along line B-B.

[0031] Figure 10 This is an exploded view of the guide stop plate and stop device of the present invention.

[0032] Figure 11 This is a perspective view of the guide stop plate and stop device of the present invention in cooperation.

[0033] Figure 12 This is a cross-sectional view of the second embodiment of the present invention.

[0034] Figure 13 yes Figure 12 C-C view.

[0035] Figure 14 This is one of the exploded perspective views of the second embodiment of the present invention.

[0036] Figure 15 This is the second exploded perspective view of the second embodiment of the present invention.

[0037] Figure 16 This is a perspective view of the working state of the second embodiment of the present invention.

[0038] Figure 17 This is a right view of the working state of the second embodiment of the present invention. Detailed Implementation

[0039] Embodiments of the present invention 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 the present invention, and should not be construed as limiting the present invention.

[0040] In the description of this invention, 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 communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0041] Example 1

[0042] like Figure 1 , Figure 2 As shown, a dual-glass panel linkage range hood includes a housing 1, a fan (not shown), an upper glass panel 21, a middle glass panel 22, a lower glass panel 23, a guide stop plate 3, a stop device 4, and a drive device 5.

[0043] The housing 1 includes a front-opening smoke collection chamber 11, a smoke guide hole 12 on the back plate of the smoke collection chamber 11, and longitudinal guide holes 13 on both sides of the front of the housing 1.

[0044] The upper glass plate 21 is hinged to the top of the housing 1 via a hinge and covers the upper part of the smoke collection chamber. The middle glass plate 22 covers the middle part of the smoke collection chamber 11 and the lower glass plate 23 covers the lower part of the smoke collection chamber 11 and is fixed. One end of the guide stop plate 3 is fixed to the upper glass plate 21, and the other end extends into the housing 1 through the longitudinal guide hole 13 to cooperate with the stop device 4. The stop device 4 is fixed in the housing on both sides of the smoke collection chamber. Alternatively, the stop device 4 can be said to be fixed in the two ends of the housing. The drive device 5 drives the middle glass plate 22 and the upper glass plate 21, and the upper glass plate 21 and the middle glass plate 22 to rotate relative to each other. In the use state, the upper glass plate 21 has an acute angle with the horizontal plane below, and the middle glass plate 22 extends forward and is parallel to the horizontal plane below or has an angle α with the horizontal plane below, where the angle α is greater than 0 degrees and less than 90 degrees.

[0045] The drive unit 5 includes a motor 51, a crank 52, and a connecting rod 53.

[0046] The motor 51 is fixed inside the housing 1. The crank 52 is fixed to the motor shaft and hinged to the connecting rod 53. The other end of the connecting rod 53 passes through the clearance hole 14 on the back plate of the smoke collection chamber 11 and is hinged to the middle glass plate 22.

[0047] As a further improvement of the present invention: the lower end of the guide stop plate 3 is arc-shaped, and the rear end is provided with a stop plate 31;

[0048] like Figure 10 , Figure 11 As shown, the stop device 4 includes a base 41 and rollers 42.

[0049] The frame includes a fixed plate 411, a support plate 412, a roller seat plate 413, and a sliding groove 414. The roller seat plate 413 is located on top of the support plate 412, and the sliding groove 414 passes through the upper ends of the roller seat plate 413 and the support plate 412.

[0050] The mounting plate 411 of the seat frame 4 is fixed to the housing 1. The roller 42 is pivotally connected to the roller seat plate 413 on both sides of the sliding groove 414. The lower end of the guide stop plate 3 slides in cooperation with the sliding groove 414 and the two rollers. The stop plate 41 cooperates with the roller 42 to stop.

[0051] As a further improvement of the present invention: the front end of the housing 1 and the smoke collection chamber 11 includes a vertical plane portion 1A and a sloped portion 1B.

[0052] The upper glass plate 21 corresponds to the vertical plane portion 1A, and the middle glass plate 22 and the lower glass plate 23 correspond to the inclined portion 1B.

[0053] The upper glass plate 21 and the middle glass plate 22 are hinged together by hinges;

[0054] The hinge includes an intermediate leaf plate 61, an end leaf plate 62, and a fixed shaft;

[0055] The intermediate page plate 61 is fixed to the middle glass plate 22, and the end page plates 62 are located at both ends of the upper glass plate 21. The intermediate bushing of the intermediate page plate 61 is located between the end bushings of the end page plates 62, and the fixed shaft cooperates with the intermediate bushing and the end bushing.

[0056] Figure 1 , Figure 3 This is a view of the invention in a static state. Figure 1 In this state, the drive device 5 operates, and the connecting rod 53 drives the middle glass plate 22, causing the upper glass plate 21 to rotate counterclockwise; the guide stop plate 3 rotates accordingly, driving the roller 42 to rotate. When the stop plate 31 at the rear end of the guide stop plate 3 contacts the roller 42, the upper glass plate 22 stops rotating; then the middle glass plate 22 rotates until it reaches the set position, switching to the working state, as shown below. Figure 5 , Figure 8 As shown.

[0057] exist Figure 5 , Figure 8 In the working state shown, the drive device 5 is working, and the connecting rod 53 drives the middle glass plate 22 and the upper glass plate 21 to rotate clockwise. When the upper glass plate 21 is in contact with the vertical plane of the housing, the middle glass plate 22 rotates clockwise until it is in contact with the inclined surface.

[0058] Example 2

[0059] like Figure 12 , Figure 13 , Figure 14 As shown, the rear plate of the smoke collection chamber 11 is provided with two inlet and outlet holes 15;

[0060] It also includes a side-opening frame-shaped transmission frame 71, a fixed base frame 72, and a movable base frame 73.

[0061] Two fixed brackets 72 are provided on the upper glass plate, and the fixed brackets 72 are fixed to the upper glass plate 21; two movable brackets 3 are provided on the middle glass plate, and the movable brackets 73 are fixed to the middle glass plate 22; one end of the frame-shaped transmission frame 71 is fixed to the fixed bracket 72, and the other end is hinged to the movable bracket 73; the frame transmission frame 71 is engaged with the inlet and outlet hole 15; the connecting rod 53 of the drive device 5 is hinged to a frame-shaped transmission frame 71, and the connecting rod and the frame-shaped transmission frame 71 are engaged with an inlet and outlet hole 15.

[0062] In a static state, the closed end of the frame transmission frame 71 extends into the housing 1 at the rear of the smoke collection chamber through the inlet / outlet hole 15. In the working state, it moves away from the inlet / outlet hole 15.

[0063] Although embodiments of the 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 invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A dual-glass panel linkage range hood, characterized in that: It includes a housing, an upper glass plate, a middle glass plate, a lower glass plate, a guide stop plate, a stop device, and a drive device. The housing includes a front-opening smoke collection chamber, a smoke guide hole on the back plate of the smoke collection chamber, and longitudinal guide holes on both sides of the front of the housing. The upper glass plate is hinged to the top of the housing and covers the upper part of the smoke collection chamber; the middle glass plate covers the middle part of the smoke collection chamber; and the lower glass plate covers the lower part of the smoke collection chamber and is fixed. One end of the guide stop plate is fixed to the upper glass plate, and the other end extends into the housing through the longitudinal guide hole to cooperate with the stop device. The drive device drives the middle glass plate and the upper glass plate, and the upper glass plate and the middle glass plate to rotate relative to each other. In the working state, the upper glass plate has an acute angle with the horizontal plane below, and the middle glass plate extends forward and is parallel to the horizontal plane below or has an acute angle α with the horizontal plane below. When transitioning from static to working state, the middle glass plate moves, the upper glass plate rotates, and then the middle glass plate rotates. When transitioning from working state to static state, the middle glass plate moves, the upper glass plate rotates, and then the middle glass plate rotates. The drive unit includes a motor, a crank, and a connecting rod. The motor is fixed inside the housing. The crank is fixed to the motor shaft and hinged to the connecting rod. The other end of the connecting rod passes through the clearance hole on the back plate of the smoke collection chamber and is hinged to the middle glass plate. The lower end of the guide stop plate is arc-shaped, and the rear end is provided with a stop plate; The stop device includes a base and rollers. The frame includes a fixed plate, a support plate, a roller seat plate, and a sliding groove. The roller seat plate is located on top of the support plate, and the sliding groove passes through the upper end of the roller seat plate and the support plate. The base is fixed inside the housing, and the rollers are pivotally connected to the roller base plates on both sides of the sliding groove. The lower end of the guide stop plate slides in cooperation with the sliding groove and the rollers, and the stop plate cooperates with the rollers to stop.

2. The double-glass panel linkage range hood according to claim 1, characterized in that: The front end of the housing and smoke collection chamber includes a vertical plane portion and a beveled portion. The upper glass plate corresponds to the vertical plane section, while the middle and lower glass plates correspond to the inclined section.

3. A double-glass panel linkage range hood according to claim 1 or 2, characterized in that: The upper glass plate and the middle glass plate are hinged together by hinges.

4. The double-glass panel linkage range hood according to claim 3, characterized in that: The hinge includes an intermediate leaf plate, an end leaf plate, and a fixed shaft; The middle page plate is fixed to the middle glass plate, and the end page plates are located at both ends of the upper glass plate. The middle bushing of the middle page plate is located between the end bushings of the end page plates, and the fixed shaft is engaged with the middle bushing and the end bushing.

5. A double-glass panel linkage range hood according to claim 1 or 2, characterized in that: The rear panel of the smoke collection chamber is provided with an inlet and outlet hole; It also includes a side-opening frame-shaped transmission frame, a fixed base frame, and a movable base frame. The fixed seat is fixed to the upper glass plate, the movable seat is fixed to the middle glass plate, one end of the frame-shaped transmission frame is fixed to the fixed seat, and the other end is hinged to the movable seat; the frame transmission frame is engaged with the inlet and outlet holes; the drive device is hinged to the frame-shaped transmission frame.

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