CN221705587U - Fume exhauster - Google Patents
Fume exhauster Download PDFInfo
- Publication number
- CN221705587U CN221705587U CN202323205990.6U CN202323205990U CN221705587U CN 221705587 U CN221705587 U CN 221705587U CN 202323205990 U CN202323205990 U CN 202323205990U CN 221705587 U CN221705587 U CN 221705587U
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- China
- Prior art keywords
- glass plate
- plate
- fixed
- frame
- collecting cavity
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- 239000003517 fume Substances 0.000 title description 2
- 239000011521 glass Substances 0.000 claims abstract description 105
- 239000000779 smoke Substances 0.000 claims abstract description 41
- 230000001154 acute effect Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Air-Flow Control Members (AREA)
Abstract
A range hood comprises a shell, an upper glass plate, a middle glass plate, a lower glass plate, a guiding stop plate, a stop device and a driving device, wherein the upper end of the upper glass plate is hinged with the top of the shell and covers the upper part of a smoke collecting cavity, the middle glass plate covers the middle part of the smoke collecting cavity, the lower glass plate covers the lower part of the smoke collecting cavity and is fixed, one end of the guiding stop plate is fixed with the upper glass plate, the other end of the guiding stop plate extends into the shell through a longitudinal guiding hole and is matched with the stop device, and the driving device drives the middle glass plate and the upper glass plate, and the upper glass plate and the middle glass plate to rotate relatively; in the use state, the upper glass plate forms an acute angle with the horizontal plane below, and the middle glass plate extends forwards and is parallel to the horizontal plane below or forms an acute angle with the horizontal plane below. When in use, the upper glass plate forms an angular negative pressure area with the lower horizontal plane by an acute angle, and the middle glass plate extends forwards to be parallel to the lower horizontal plane, so that the negative pressure area is enlarged, and the smoke overflow is effectively prevented.
Description
Technical Field
The utility model relates to a range hood.
Background
At present, in the prior art, chinese patent 202020357428.2, a front panel assembly of a range hood, which comprises an upper glass plate, a rotatable middle glass plate, a lower glass plate, an upper fixing plate, an oil screen, a lower fixing plate, a driving device and a driven device, and also comprises two fixing hangers, wherein the upper part and the lower part of the fixing hanger are respectively attached to the upper fixing plate and the lower fixing plate, punching flanges are inserted into riveting holes for riveting, and the rear part of a smoke collecting groove is embedded into a positioning groove; the upper glass panel is fixed with the upper fixing plate, the lower glass panel is fixed with the lower fixing plate, and the middle glass panel covers the smoke collecting groove. A side-suction type range hood comprises a shell, a fan, a smoke discharging interface, an oil receiving cup and a front panel assembly; the hanging plate of the fixed hanging frame is embedded with the buckling plate groove, the hanging hook is abutted against the hanging rod, and the lower end of the lower fixed plate extends into the shell and is fixedly connected with the bottom plate; the two ends of the smoke collecting groove are attached to the side wall plates to form a smoke collecting cavity. The problems are: when the middle glass plate rotates, an acute angle is formed between the middle glass plate and the horizontal plane below the middle glass plate, the negative pressure area is small, and smoke overflow is easy to occur.
Disclosure of utility model
The purpose of the utility model is that: the range hood has the characteristics of high negative pressure and effective prevention of smoke overflow when in use.
The utility model is realized in the following way: a range hood is characterized in that: comprises a shell, an upper glass plate, a middle glass plate, a lower glass plate, a guiding stop plate, a stop device and a driving device,
The shell comprises a smoke collecting cavity with a front opening, a smoke guide hole on a back plate of the smoke collecting cavity and longitudinal guide holes arranged at two sides of the front part of the shell;
The upper end of the upper glass plate is hinged with the top of the shell and covers the upper part of the smoke collecting cavity, the middle glass plate covers the middle part of the smoke collecting cavity, the lower glass plate covers the lower part of the smoke collecting cavity and is fixed, one end of the guiding stop plate is fixed with the upper glass plate, the other end of the guiding stop plate extends into the shell through the longitudinal guiding hole and is matched with the stop device, and the driving device drives the middle glass plate and the upper glass plate and the middle glass plate to rotate relatively; in the use state, the upper glass plate forms an acute angle with the horizontal plane below, the middle glass plate extends forwards and is parallel to the horizontal plane below or forms an acute angle with the horizontal plane.
The range hood is characterized in that: the driving device comprises a motor, a crank and a connecting rod,
The motor is fixed in the shell, the crank is fixed with the motor shaft and hinged with the connecting rod, and the other end of the connecting rod passes through the clearance hole on the rear back plate of the smoke collecting cavity and is hinged with the middle glass plate.
The range hood is characterized in that: the lower end of the guide stop plate is arc-shaped, and the rear end of the guide stop plate is provided with a stop plate;
The stop device comprises a seat frame and a roller,
The seat frame comprises a fixed plate, a supporting plate, a roller seat plate and a sliding groove, the roller seat plate is arranged at the top of the supporting plate, the sliding groove penetrates through the roller seat plate and the upper end of the supporting plate,
In the fixed casing of seat frame, the gyro wheel pin joint is on the gyro wheel bedplate of sliding tray both sides, and the guide ends position board lower extreme and sliding tray and gyro wheel sliding fit, ends position board and gyro wheel cooperation and ends the position.
The range hood is characterized in that: the front end of the shell and the smoke collecting cavity comprises a vertical plane part and an inclined plane part,
The upper glass plate corresponds to the vertical plane portion, and the middle glass plate and the lower glass plate correspond to the inclined plane portion.
The range hood is characterized in that: the upper glass plate and the middle glass plate are hinged through a hinge.
The range hood is characterized in that: the hinge comprises a middle page plate, an end page plate and a fixed shaft;
the middle page plate is fixed with the middle glass plate, the end page plates are arranged at the two ends of the upper glass plate, the middle shaft sleeve of the middle page plate is positioned between the end shaft sleeves of the end page plates, and the fixed shaft is matched with the middle shaft sleeve and the end shaft sleeves.
The range hood is characterized in that: an inlet and outlet hole is formed in the rear back plate of the smoke collecting cavity;
Also comprises a frame-shaped transmission frame with side openings, a fixed seat frame and a movable seat frame,
The fixed seat frame is fixed with the upper glass plate, the movable seat frame is fixed with the middle glass plate, one end of the frame-shaped transmission frame is fixed with the fixed seat frame, and the other end of the frame-shaped transmission frame is hinged with the movable seat frame; the frame transmission frame is matched with the inlet and outlet holes in an inlet and outlet manner; the driving device is hinged with the frame-shaped transmission frame
When the range hood is used, the upper glass plate and the lower horizontal plane form an angular negative pressure area with an acute included angle, and the middle glass plate extends forwards to be parallel to the lower horizontal plane, so that the negative pressure area is enlarged, and the smoke overflow is effectively prevented.
Drawings
Fig. 1 is a cross-sectional view of the present utility model.
Fig. 2 is a view a-a of fig. 1.
Fig. 3 is a partial enlarged view of fig. 2.
Fig. 4 is a perspective view of the utility model in its resting state.
Fig. 5 is a perspective view of the present utility model in an operating state.
Fig. 6 is one of the exploded perspective views of the present utility model.
Fig. 7 is a second perspective exploded view of the present utility model.
Fig. 8 is a cross-sectional view of the present utility model in an operative state.
Fig. 9 is a partial sectional view taken along line B-B of fig. 8.
Fig. 10 is an exploded view of the guide stop plate and stop assembly of the present utility model mated.
Fig. 11 is a perspective view of the guide stop plate and stop assembly of the present utility model mated.
Fig. 12 is a cross-sectional view of a second embodiment of the present utility model.
Fig. 13 is a view C-C of fig. 12.
Fig. 14 is one of the exploded perspective views of the second embodiment of the present utility model.
Fig. 15 is a second perspective exploded view of a second embodiment of the present utility model.
Fig. 16 is a perspective view showing an operation state of the second embodiment of the present utility model.
Fig. 17 is a right side view showing an operation state of the second embodiment of the present utility model.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1 and 2, a range hood comprises a casing 1, a blower (not shown), an upper glass plate 21, a middle glass plate 22, a lower glass plate 23, a guiding stop plate 3, a stop device 4 and a driving device 5,
The machine shell 1 comprises a smoke collecting cavity 11 with a front opening, smoke guide holes 12 on a back plate of the smoke collecting cavity 11 and longitudinal guide holes 13 arranged on two sides of the front part of the machine shell 1;
The upper end of the upper glass plate 21 is hinged with the top of the casing 1 through a hinge and covers the upper part of the smoke collecting cavity, the middle glass plate 22 covers the middle part of the smoke collecting cavity 11, the lower glass plate 23 covers the lower part of the smoke collecting cavity 11 and is fixed, one end of the guiding stop plate 3 is fixed with the upper glass plate 21, the other end of the guiding stop plate extends into the casing 1 through the longitudinal guiding hole 13 and is matched with the stop device 4, and the stop device 4 is fixed in the casings on two sides of the smoke collecting cavity, so to speak: the stop device 4 is fixed in the two ends of the casing; the driving 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 relatively; in the use state, the upper glass plate 21 forms an acute angle with the lower horizontal plane, the middle glass plate 22 extends forwards and is parallel to the lower horizontal plane or forms an acute angle alpha with the lower horizontal plane, and the angle alpha is more than 0 degrees and less than 90 degrees.
The drive means 5 comprise a motor 51, a crank 52 and a connecting rod 53,
The motor 51 is fixed in the casing 1, the crank 52 is fixed with the motor shaft and hinged with the connecting rod 53, and the other end of the connecting rod 53 passes through the clearance hole 14 on the back plate of the smoke collecting cavity 11 and is hinged with the middle glass plate 22.
As a further improvement of the utility model: the lower end of the guide stop plate 3 is arc-shaped, and the rear end of the guide stop plate is provided with a stop plate 31;
as shown in fig. 10 and 11, the stopper 4 includes a seat frame 41 and a roller 42,
The seat frame comprises a fixed plate 411, a supporting plate 412, a roller seat plate 413 and a sliding groove 414, wherein the roller seat plate 413 is arranged at the top of the supporting plate 412, the sliding groove 414 penetrates through the upper ends of the roller seat plate 413 and the supporting plate 412,
The fixed plate 411 of the seat frame 4 is fixed with the casing 1, the idler wheels 42 are pivoted on idler wheel seat plates 413 at two sides of the sliding groove 414, the lower end of the guide stop plate 3 is in sliding fit with the sliding groove 414 and the two idler wheels, and the stop plate 41 is in matching stop with the idler wheels 42.
As a further improvement of the utility model: the front end of the shell 1 and the smoke collecting cavity 11 comprises a vertical plane part 1A and a bevel part 1B,
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 plane portion 1B.
The upper glass plate 21 and the middle glass plate 22 are hinged by a hinge;
the hinge comprises a middle page plate 61, an end page plate 62 and a fixed shaft;
the middle leaf plate 61 is fixed with the middle glass plate 22, the end leaf plates 62 are arranged at two ends of the upper glass plate 21, the middle shaft sleeve of the middle leaf plate 61 is positioned between the end shaft sleeves of the end leaf plates 62, and the fixed shaft is matched with the middle shaft sleeve and the end shaft sleeves.
Fig. 1 and 3 are views of the present utility model in a stationary state, in which the driving device 5 is operated and the link 53 drives the middle glass plate 22 and the upper glass plate 21 to rotate counterclockwise in the state of fig. 1; the guide stop plate 3 rotates along with the guide stop plate and drives the roller 42 to rotate, and when the stop plate 31 at the rear end of the guide stop plate 3 contacts with the roller 42, the upper glass plate 22 stops rotating; the middle glass plate 22 is then rotated until the middle glass plate reaches a set position, and is switched to an operating state, as shown in fig. 5 and 8.
In the operating state shown in fig. 5 and 8, the driving device 5 operates, and the link 53 drives the middle glass plate 22 and the upper glass plate 21 to rotate clockwise, and after the upper glass plate 21 is attached to the vertical plane portion of the casing, the middle glass plate 22 rotates clockwise again until the middle glass plate 22 is attached to the inclined surface portion.
Example 2
As shown in fig. 12, 13 and 14, two inlet and outlet holes 15 are formed in the rear back plate of the smoke collecting cavity 11;
Also comprises a frame-shaped transmission frame 71 with side openings, a fixed seat frame 72 and a movable seat frame 73,
The upper glass plate is provided with two fixed seat frames 72, and the fixed seat frames 72 are fixed with the upper glass plate 21; two movable seat frames 3 are arranged on the middle glass plate, the movable seat frames 73 are fixed with the middle glass plate 22, one end of the frame-shaped transmission frame 71 is fixed with the fixed seat frames 72, and the other end is hinged with the movable seat frames 73; the frame transmission frame 71 is matched with the inlet and outlet holes 15 in an inlet and outlet way; the connecting rod 53 of the driving device 5 is hinged with a frame-shaped transmission frame 71, and the connecting rod and the frame-shaped transmission frame 71 are matched with an inlet and outlet hole 15 in an inlet and outlet mode.
In a static state, the closed end of the frame transmission frame 71 extends into the machine shell 1 at the rear part of the smoke collecting cavity through the inlet and outlet holes 15. In the operating state, leaves the access hole 15.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. A range hood, characterized in that: comprises a shell, an upper glass plate, a middle glass plate, a lower glass plate, a guiding stop plate, a stop device and a driving device,
The shell comprises a smoke collecting cavity with a front opening, a smoke guide hole on a back plate of the smoke collecting cavity and longitudinal guide holes arranged at two sides of the front part of the shell;
The upper end of the upper glass plate is hinged with the top of the shell and covers the upper part of the smoke collecting cavity, the middle glass plate covers the middle part of the smoke collecting cavity, the lower glass plate covers the lower part of the smoke collecting cavity and is fixed, one end of the guiding stop plate is fixed with the upper glass plate, the other end of the guiding stop plate extends into the shell through the longitudinal guiding hole and is matched with the stop device, and the driving device drives the middle glass plate and the upper glass plate and the middle glass plate to rotate relatively; in the use state, the upper glass plate forms an acute angle with the horizontal plane below, and the middle glass plate extends forwards and is parallel to the horizontal plane below or forms an acute angle with the horizontal plane below.
2. A range hood according to claim 1, wherein: the driving device comprises a motor, a crank and a connecting rod,
The motor is fixed in the shell, the crank is fixed with the motor shaft and hinged with the connecting rod, and the other end of the connecting rod passes through the clearance hole on the rear back plate of the smoke collecting cavity and is hinged with the middle glass plate.
3. A range hood according to claim 1, wherein: the lower end of the guide stop plate is arc-shaped, and the rear end of the guide stop plate is provided with a stop plate;
The stop device comprises a seat frame and a roller,
The seat frame comprises a fixed plate, a supporting plate, a roller seat plate and a sliding groove, the roller seat plate is arranged at the top of the supporting plate, the sliding groove penetrates through the roller seat plate and the upper end of the supporting plate,
In the fixed casing of seat frame, the gyro wheel pin joint is on the gyro wheel bedplate of sliding tray both sides, and the guide ends position board lower extreme and sliding tray and gyro wheel sliding fit, ends position board and gyro wheel cooperation and ends the position.
4. A range hood according to claim 1, wherein: the front end of the shell and the smoke collecting cavity comprises a vertical plane part and an inclined plane part,
The upper glass plate corresponds to the vertical plane portion, and the middle glass plate and the lower glass plate correspond to the inclined plane portion.
5. A range hood according to claim 1, 2, 3 or 4, wherein: the upper glass plate and the middle glass plate are hinged through a hinge.
6. A range hood according to claim 5, wherein: the hinge comprises a middle page plate, an end page plate and a fixed shaft;
the middle page plate is fixed with the middle glass plate, the end page plates are arranged at the two ends of the upper glass plate, the middle shaft sleeve of the middle page plate is positioned between the end shaft sleeves of the end page plates, and the fixed shaft is matched with the middle shaft sleeve and the end shaft sleeves.
7. A range hood according to claim 1, 2, 3 or 4, wherein:
an inlet and outlet hole is formed in the rear back plate of the smoke collecting cavity;
Also comprises a frame-shaped transmission frame with side openings, a fixed seat frame and a movable seat frame,
The fixed seat frame is fixed with the upper glass plate, the movable seat frame is fixed with the middle glass plate, one end of the frame-shaped transmission frame is fixed with the fixed seat frame, and the other end of the frame-shaped transmission frame is hinged with the movable seat frame; the frame transmission frame is matched with the inlet and outlet holes in an inlet and outlet manner; the driving device is hinged with the frame-shaped transmission frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323205990.6U CN221705587U (en) | 2023-11-24 | 2023-11-24 | Fume exhauster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323205990.6U CN221705587U (en) | 2023-11-24 | 2023-11-24 | Fume exhauster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221705587U true CN221705587U (en) | 2024-09-13 |
Family
ID=92657136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323205990.6U Active CN221705587U (en) | 2023-11-24 | 2023-11-24 | Fume exhauster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221705587U (en) |
-
2023
- 2023-11-24 CN CN202323205990.6U patent/CN221705587U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |