Five-connecting-rod opening and closing smoke exhaust structure and range hood

Abstract

The utility model discloses a five-link opening and closing smoke exhaust structure and a range hood, which comprise a hood body, a five-link driving device and a baffle, a panel and a smoke exhaust port are arranged on the front side surface of the hood body, the smoke exhaust port is positioned below the panel, the five-link driving device is arranged on the hood body, the baffle is connected with the five-link driving device, and the baffle has a closed state and an open state. In the closed state, the baffle is located below the panel and can close the smoke suction opening, and in the open state, the five-connecting-rod driving device can drive the baffle to turn upwards to the upper portion of the panel so that a smoke gathering area can be formed among the baffle, the panel and the smoke suction opening. The panel is arranged on the upper portion of the front side face of the hood body, the baffle is located on the lower portion of the panel in the closed state, and during work, the five-connecting-rod driving device can drive the baffle to turn over and move upwards to the upper portion of the panel, so that the panel can be used for gathering smoke, the smoke gathering range can be enlarged under the limited baffle size, the smoke gathering effect can be improved, and the smoke suction effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field related to range hoods, and in particular to a five-link opening and closing smoke collecting structure and a range hood. Background Art

[0002] Some side-suction range hoods have a flippable smoke-collecting baffle structure, which can flip the smoke-collecting baffle to increase the smoke-collecting range, thereby achieving the effect of fully sucking out the oil smoke and reducing the occurrence of smoke leakage. In the existing technology, since the smoke-collecting baffle needs to be flipped, the area of the baffle cannot be set too large to reduce the load of the flipping mechanism. However, if the baffle is set too small, the smoke-collecting range after flipping will be small, thereby affecting the smoke-collecting effect. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a five-link opening and closing smoke collecting structure and a smoking hood, which can solve the problem of mediocre smoke collecting effect.

[0004] According to the first aspect of the present invention, a five-link opening and closing smoke-collecting structure includes: a cover body, a five-link driving device and a baffle. The front side of the cover body is provided with a panel and a smoking port, and the smoking port is located below the panel. The five-link driving device is provided on the cover body, and the baffle is connected to the five-link driving device. The baffle has a closed state and an open state. In the closed state, the baffle is located below the panel and can close the smoking port. In the open state, the five-link driving device can drive the baffle to flip upward to the upper part of the panel to form a smoke-collecting area between the baffle, the panel and the smoking port.

[0005] According to an embodiment of the utility model, a five-link opening and closing smoke collecting structure has at least the following beneficial effects: a panel is provided on the upper part of the front side of the cover body, and in the closed state, the baffle is at the lower part of the panel, while when working, the five-link driving device can drive the baffle to flip and move up to the upper part of the panel, so that the panel can be used to collect smoke, and the smoke collection range can be expanded within a limited baffle size, the smoke collection effect can be improved, and the oil fume absorption effect is good.

[0006] According to some embodiments of the present utility model, the five-link drive device includes a drive push rod, a drive shaft and a five-link assembly, the drive push rod is connected to the cover body, the drive shaft is rotatably provided on the cover body, the drive push rod is transmission-connected to the drive shaft, the drive push rod can drive the drive shaft to rotate, the drive shaft is transmission-connected to the five-link assembly, and the five-link assembly is connected to the baffle.

[0007] According to some embodiments of the present invention, the five-link drive device includes a driving component, a driving shaft and a five-link assembly, the driving component is arranged on the cover body, the driving shaft is in transmission connection with the driving component, the driving component can drive the driving shaft to rotate, the five-link assembly includes a first link, a second link, a third link, a fourth link and a fifth link which are rotatably connected end to end in sequence, the first link is connected to the driving shaft, the driving shaft can drive the first link to rotate, the third link is connected to the baffle, the fourth link is rotatably connected to the cover body, and the first link can drive the third link to flip through the second link, the fourth link and the fifth link.

[0008] According to some embodiments of the present invention, the first connecting rod is sequentially configured as a first short arm section, a first rotating part and a first long arm section, the first rotating part is connected to the drive shaft, the end of the first short arm section is connected to the fifth connecting rod, and the end of the first long arm section is connected to the second connecting rod, the fourth connecting rod is sequentially configured as a second short arm section, a second rotating part and a second long arm section, the second rotating part is rotatably connected to the cover body, the end of the second short arm section is connected to the fifth connecting rod, and the second long arm section is connected to the third connecting rod.

[0009] According to some embodiments of the present invention, the second long arm section is U-shaped, and the second long arm section can avoid the panel.

[0010] According to some embodiments of the present invention, the third connecting rod includes a first rod segment, a staggered rod segment and a second rod segment connected in sequence, the first rod segment is connected to the second connecting rod, the second rod segment is connected to the fourth connecting rod, and the staggered rod segment can stagger the second connecting rod and the fourth connecting rod in the left and right directions.

[0011] According to some embodiments of the present invention, the intersection point of the line connecting the first rotating part and the second rotating part and the extension direction of the third connecting rod is located on the upper part of the panel.

[0012] According to some embodiments of the present invention, a sealing strip is provided on the upper end of the baffle, and in the open state, the sealing strip can abut against the panel to seal the gap between the baffle and the panel.

[0013] According to some embodiments of the present invention, the sealing strip includes a strip portion and multiple connecting portions, the strip portion extends along the length direction of the baffle, the connecting portions are arranged at intervals on the side walls of the strip portion, the baffle is provided with multiple connecting holes, and the connecting portions can be snapped into the connecting holes one by one.

[0014] A range hood according to an embodiment of the second aspect of the present invention includes a range hood adopting the above-mentioned five-link opening and closing smoke collecting structure.

[0015] The range hood according to the embodiment of the present invention has at least the following beneficial effects: by adopting the above-mentioned five-link opening and closing smoke collection structure on the range hood, the flipping range of the baffle can be further expanded during use, thereby expanding the suction range and further improving the oil fume extraction effect.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0018] Figure 1 This is a schematic diagram of an embodiment of the utility model in a closed state;

[0019] Figure 2 This is a schematic diagram of an embodiment of the utility model in the open state;

[0020] Figure 3 It is a structural diagram of a hidden part of the cover;

[0021] Figure 4 FIG is a structural diagram of a connecting rod drive device;

[0022] Figure 5 Schematic diagram of the structure of the five-link assembly;

[0023] Figure 6 This is an exploded view of the sealing strip and baffle;

[0024] Figure 7 for Figure 3 A partial enlarged view of point A in the middle.

[0025] Reference numerals:

[0026] Cover body 100, panel 110, smoking port 120;

[0027] Five-link drive device 200, drive push rod 210, drive shaft 220, five-link assembly 230, first link 231, first short arm segment 2311, first rotating portion 2312, first long arm segment 2313, second link 232, third link 233, first segment 2331, offset segment 2332, second segment 2333, fourth link 234, second short arm segment 2341, second rotating portion 2342, second long arm segment 2343, fifth link 235;

[0028] Baffle 300, connecting hole 310;

[0029] Sealing strip 400 , strip portion 410 , connecting portion 420 . DETAILED DESCRIPTION

[0030] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention. In addition, features defined as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0032] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0033] Reference Figures 1 to 3According to the first embodiment of the present invention, a five-link opening and closing smoke-collecting structure includes a cover body 100, a five-link driving device 200 and a baffle 300. The front side of the cover body 100 is provided with a panel and a smoking port 120, and the smoking port 120 is located below the panel. The five-link driving device 200 is provided on the cover body 100, and the baffle 300 is connected to the five-link driving device 200. The baffle 300 has a closed state and an open state. In the closed state, the baffle 300 is located below the panel and can close the smoking port 120. In the open state, the five-link driving device 200 can drive the baffle 300 to flip upward to the upper part of the panel to form a smoke-collecting area between the baffle 300, the panel and the smoking port 120. The cover body 100 has a panel on the upper part of the front side. In the closed state, the baffle 300 is located at the lower part of the panel. When working, the five-link drive device 200 can drive the baffle 300 to flip and move up to the upper part of the panel, so that the panel can be used to collect smoke. Within the limited size of the baffle 300, the smoke collection range can be expanded, the smoke collection effect can be improved, and the oil fume absorption effect is good.

[0034] Specifically, due to the size limitation of the baffle 300, the smoking port 120 on the front side of the cover body 100 is set relatively small, and a panel can be set on the upper part of the smoking port 120. In the closed state, the panel and the baffle 300 can be set in parallel, which can make the appearance more concise. In the open state, the five-link drive device 200 can flip the baffle 300 from the bottom to the upper part of the panel through the mutual cooperation of multiple links, and open it outward to form a triangular smoke-collecting area. In the prior art, the baffle 300 can only be flipped below the panel, and the smoke-collecting range is small. The present application can flip the baffle 300 and move it upward, and can use the panel to collect smoke, thereby expanding the smoke-collecting range and improving the smoking effect.

[0035] Reference Figure 4 In some embodiments of the present invention, the five-link drive device 200 includes a drive push rod 210, a drive shaft 220, and a five-link assembly 230. The drive push rod 210 is connected to the cover 100, and the drive shaft 220 is rotatably disposed on the cover 100. The drive push rod 210 is in transmission connection with the drive shaft 220. The drive push rod 210 can drive the drive shaft 220 to rotate. The drive shaft 220 is in transmission connection with the five-link assembly 230, and the five-link assembly 230 is connected to the baffle 300. This can further enhance the driving force for opening and closing the baffle 300.

[0036] Specifically, the driving push rod 210 can be set as an electric telescopic push rod, and the driving shaft 220 can be laterally connected to the cover body 100 through a bearing. It can be understood that the driving shaft 220 can be provided with a transmission member hinged to the end of the driving push rod 210, so that the driving push rod 210 can drive the driving shaft 220 to rotate. Compared with the motor drive, the driving force of the driving push rod 210 is large, and the torque can be amplified by the driving shaft 220 through the transmission member to further enhance the driving force, so as to expand the driving force required for the flipping of the baffle 300.

[0037] Reference Figures 3 to 5 In some embodiments of the present invention, the five-link drive device 200 includes a drive component, a drive shaft 220, and a five-link assembly 230. The drive component is disposed on the housing 100, and the drive shaft 220 is in transmission connection with the drive component. The drive component can drive the drive shaft 220 to rotate. The five-link assembly 230 includes a first link 231, a second link 232, a third link 233, a fourth link 234, and a fifth link 235, which are rotatably connected end to end. The first link 231 is connected to the drive shaft 220, and the drive shaft 220 can drive the first link 231 to rotate. The third link 233 is connected to the baffle 300, and the fourth link 234 is rotatably connected to the housing 100. The first link 231 can drive the third link 233 to flip via the second link 232, the fourth link 234, and the fifth link 235. Through the coordination of these links, the flipping range of the baffle 300 can be expanded.

[0038] Specifically, the driving component is not specifically limited here, and it can drive the driving shaft 220 to rotate. The middle rod portion of the first connecting rod 231 can be connected to the driving shaft 220, and one end can be pivoted to one end of the second connecting rod 232. The other end of the second connecting rod 232 can be pivoted to one end of the third connecting rod 233, and the other end of the third connecting rod 233 can be pivoted to one end of the fourth connecting rod 234. The middle rod portion of the fourth connecting rod 234 can be pivoted to the cover body 100, and the other end of the fourth connecting rod 234 can be pivoted to the cover body 100. It can be pivoted to one end of the fifth link 235, and the other end of the fifth link 235 can be pivoted to the other end of the first link 231. The first link 231 is the power source, and the fourth link 234 is the synchronization rod. The fifth link 235 is an auxiliary link, which can stabilize the trajectory. The rotation of the first link 231 can drive the second link 232 to extend and adjust the position of the third link 233, thereby realizing the flipping of the baffle 300, and through the cooperation of the above-mentioned links, the flipping range of the baffle 300 can be expanded.

[0039] Reference Figure 5In some embodiments of the present invention, the first connecting rod 231 is sequentially configured as a first short arm section 2311, a first rotating portion 2312 and a first long arm section 2313, the first rotating portion 2312 is connected to the drive shaft 220, the end of the first short arm section 2311 is connected to the fifth connecting rod 235, and the end of the first long arm section 2313 is connected to the second connecting rod 232, the fourth connecting rod 234 is sequentially configured as a second short arm section 2341, a second rotating portion 2342 and a second long arm section 2343, the second rotating portion 2342 is rotatably connected to the cover body 100, the end of the second short arm section 2341 is connected to the fifth connecting rod 235, and the second long arm section 2343 is connected to the third connecting rod 233. Specifically, by offsetting the first rotating part 2312 and the second rotating part 2342, the first long arm section 2313 and the second long arm section 2343 can increase the rotation range, and the first short arm section 2311 and the second short arm section 2341 are connected to the fifth connecting rod 235 to assist in transmission, wherein the second connecting rod 232 is driven to extend, further expanding the rotation range of the third connecting rod 233, thereby enabling a large range of opening and closing of the baffle 300.

[0040] Reference Figure 3 and Figure 5 In some embodiments of the present invention, the second long arm section 2343 is U-shaped, and the second long arm section 2343 can avoid the panel. Specifically, the fourth connecting rod 234 may interfere with the panel during transmission. Therefore, the second long arm section 2343 is configured as a U-shaped shape with the opening facing upward, so that it can avoid the panel and ensure normal transmission.

[0041] Reference Figure 5 In some embodiments of the present invention, the third connecting rod 233 includes a first rod segment 2331, a staggered rod segment 2332, and a second rod segment 2333, which are connected in sequence. The first rod segment 2331 is connected to the second connecting rod 232, and the second rod segment 2333 is connected to the fourth connecting rod 234. The staggered rod segment 2332 can stagger the second connecting rod 232 and the fourth connecting rod 234 in the left-right direction. Specifically, in the closed state, the first connecting rod 231 rotates inward, the second connecting rod 232 retracts, and the fourth connecting rod 234 needs to be stacked before it can be retracted into the cover body 100. By providing the staggered rod segment 2332 on the third connecting rod 233, the first connecting rod segment 2331 and the second connecting rod segment 2333 can be staggered in the left-right direction, so that the fourth connecting rod 234 can be retracted into the cover body 100 in a staggered manner relative to the second connecting rod 232, making it easier to retract.

[0042] Reference Figure 3In some embodiments of the present invention, the intersection of the line connecting the first rotating portion 2312 and the second rotating portion 2342 and the extension direction of the third connecting rod 233 is located at the upper portion of the panel. Specifically, the intersection of the line connecting the first rotating portion 2312 and the second rotating portion 2342 and the extension direction of the third connecting rod 233 is the rotation axis. By adjusting this axis to the upper portion of the panel, the baffle 300 can be flipped to the upper portion of the panel, achieving a wide range of opening and closing.

[0043] Reference Figure 2 、 Figure 3 and Figure 7 In some embodiments of the present invention, a sealing strip 400 is provided on the upper end of the baffle 300. When opened, the sealing strip 400 can abut against the panel to seal the gap between the baffle 300 and the panel, thereby blocking the oil smoke and preventing the oil smoke from overflowing from the gap.

[0044] Reference Figure 6 In some embodiments of the present invention, the sealing strip 400 includes a strip portion 410 and a plurality of connecting portions 420. The strip portion 410 extends along the length direction of the baffle 300. The connecting portions 420 are arranged at intervals on the side walls of the strip portion 410. The baffle 300 is provided with a plurality of connecting holes 310. The connecting portions 420 can be connected to the connecting holes 310 one by one.

[0045] Specifically, a folded edge can be provided on the upper part of the baffle 300, and a plurality of connecting holes 310 can be provided at intervals on the folded edge. The sealing strip 400 is in the shape of a long strip, and the connecting portion 420 matches the number of the connecting holes 310. The connecting portion 420 can be inserted into the connecting hole 310 and can be connected by interference fit without the need for bonding, which facilitates the assembly of the sealing strip 400 and is also relatively stable.

[0046] Reference Figures 1 to 3 According to a second embodiment of the present invention, a range hood includes a range hood employing the aforementioned five-link opening and closing smoke collecting structure. By employing the aforementioned five-link opening and closing smoke collecting structure in the range hood, the range of the baffle 300 can be further expanded during use, thereby expanding the suction range and further improving the oil fume extraction effect.

[0047] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the illustrative use of the above terms does not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0048] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A five-link opening and closing smoke collecting structure, characterized in that: include: The cover body (100) is provided with a panel (110) and a smoking port (120) on the front side, and the smoking port (120) is located below the panel (110); A five-link driving device (200) is provided on the cover body (100); A baffle (300) is connected to the five-link drive device (200), and the baffle (300) has a closed state and an open state. In the closed state, the baffle (300) is located below the panel (110) and can close the smoking port (120). In the open state, the five-link drive device (200) can drive the baffle (300) to flip upward to the upper part of the panel (110), so that a smoke-collecting area is formed between the baffle (300), the panel (110) and the smoking port (120).

2. The five-link opening and closing smoke collecting structure according to claim 1, characterized in that: The five-link driving device (200) comprises a driving push rod (210), a driving shaft (220) and a five-link assembly (230), wherein the driving push rod (210) is connected to the cover body (100), the driving shaft (220) is rotatably arranged on the cover body (100), the driving push rod (210) is transmission-connected to the driving shaft (220), the driving push rod (210) can drive the driving shaft (220) to rotate, the driving shaft (220) is transmission-connected to the five-link assembly (230), and the five-link assembly (230) is connected to the baffle (300).

3. The five-link opening and closing smoke collecting structure according to claim 1, characterized in that: The five-link driving device (200) comprises a driving component, a driving shaft (220) and a five-link assembly (230), wherein the driving component is arranged on the cover body (100), the driving shaft (220) is in transmission connection with the driving component, and the driving component can drive the driving shaft (220) to rotate, and the five-link assembly (230) comprises a first link (231), a second link (232), a third link (233), a fourth link (234) and a fifth link (235) which are rotatably connected end to end in sequence. 35), the first connecting rod (231) is connected to the driving shaft (220), and the driving shaft (220) can drive the first connecting rod (231) to rotate, the third connecting rod (233) is connected to the baffle (300), and the fourth connecting rod (234) is rotatably connected to the cover body (100), and the first connecting rod (231) can drive the third connecting rod (233) to flip through the second connecting rod (232), the fourth connecting rod (234) and the fifth connecting rod (235).

4. The five-link opening and closing smoke collecting structure according to claim 3, characterized in that: The first connecting rod (231) is sequentially configured as a first short arm section (2311), a first rotating portion (2312) and a first long arm section (2313); the first rotating portion (2312) is connected to the drive shaft (220); the end of the first short arm section (2311) is connected to the fifth connecting rod (235); the end of the first long arm section (2313) is connected to the second connecting rod (232); the fourth connecting rod (234) is sequentially configured as a second short arm section (2341), a second rotating portion (2342) and a second long arm section (2343); the second rotating portion (2342) is rotatably connected to the cover body (100); the end of the second short arm section (2341) is connected to the fifth connecting rod (235); and the second long arm section (2343) is connected to the third connecting rod (233).

5. The five-link opening and closing smoke collecting structure according to claim 4, characterized in that: The second long arm section (2343) is U-shaped, and the second long arm section (2343) can avoid the panel (110).

6. The five-link opening and closing smoke collecting structure according to claim 4, characterized in that: The third connecting rod (233) comprises a first rod segment (2331), a staggered rod segment (2332) and a second rod segment (2333) which are connected in sequence. The first rod segment (2331) is connected to the second connecting rod (232), and the second rod segment (2333) is connected to the fourth connecting rod (234). The staggered rod segment (2332) can stagger the second connecting rod (232) and the fourth connecting rod (234) in the left-right direction.

7. The five-link opening and closing smoke collecting structure according to claim 4, characterized in that: The intersection point of the line connecting the first rotating part (2312) and the second rotating part (2342) and the extension direction of the third connecting rod (233) is located on the upper part of the panel (110).

8. The five-link opening and closing smoke collecting structure according to claim 1, characterized in that: A sealing strip (400) is provided at the upper end of the baffle (300). In the open state, the sealing strip (400) can abut against the panel (110) to seal the gap between the baffle (300) and the panel (110).

9. The five-link opening and closing smoke collecting structure according to claim 8, characterized in that: The sealing strip (400) includes a strip portion (410) and a plurality of connecting portions (420), wherein the strip portion (410) extends along the length direction of the baffle (300), and the connecting portions (420) are arranged at intervals on the side wall of the strip portion (410), and the baffle (300) is provided with a plurality of connecting holes (310), and the connecting portions (420) can be snap-fitted with the connecting holes (310) one by one.

10. A range hood, characterized in that: The invention comprises a five-link opening and closing smoke collecting structure according to any one of claims 1 to 9.

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